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Larry J Bettiga

Acting Monterey County Director & Viticulture Farm Advisor
Cooperative Extension Monterey County
1432 Abbott Street
Salinas, CA 93901
(831) 759-7361
lbettiga@ucanr.edu Create VCard

Also in:
San Benito County
Santa Cruz County

Education

M.S. Plant Science-Viticulture, California State University, Fresno. 1983
B.S. Agricultural Pest Management, University of California, Berkeley. 1978

Awards

  • International IPM Award of Recognition - European Grapevine Moth Team
    Presented by International IPM Symposium,  2018
  • Extension Distinction Award
    Presented by American Society for Enology and Viticulture,  2017
  • Distinguished Service Award - Outstanding Teamwork
    Presented by UC ANR,  2016
  • Silver Award - Technical Publications
    Presented by Association for Communication Excellence,  2014
  • Western Extension Directors' Association Award of Excellence - Farm Water Quality Planning Project
    Presented by Western Region Extension,  2008
  • Distinguished Service Award - Outstanding Teamwork
    Presented by UC ANR,  2006

Specialty

Wine grape production, canopy management, pest management, rootstock and clonal evaluation.

Areas of Expertise (click to see all ANR academics with this expertise)

Bibliography

Peer Reviewed

  • Hobbs, M. B.; Vengco, S. M.; Boulton, S; Bettiga, L. J.; Moyer, M. M.; Cooper, M. L. (2023). Meeting the challenge of viral disease management in the US wine grape industries of California and Washington: demystifying decision-making, fostering agricultural networks, and optimizing educational resources. Australian Journal of Grape and Wine Research. 2023, 17 pgs. https://doi.org/10.1155/2023/7534116
  • Hobbs, M. B.; Vengco, S. M.; Boulton, S; Bettiga, L. J.; Moyer, M. M.; Cooper, M. L. (2022). Adoption of Best Management Practices for Grapevine Leafroll and Red Blotch Diseases: A Survey of West Coast Growers. PhytoFrontiers. 2:3, 181-191.
  • Bustamente, M. I.; Elfar, K.; Smith, R. J.; Bettiga, L. J.; Torres, G. A.; Eskalen, A. (2022). First report of Fusarium annulatum associated with Young Grapevine Decline in California. Plant Disease. 106:10, 2752. https://apsjournals.apsnet.org/doi/epdf/10.1094/PDIS-12-21-2790-PDN
  • Al Rwahnih, M.; Diaz-Lara, A.; Arnold, K; Cooper, M. L.; Smith, R.; Zhuang, G.; Battany, M. C.; Bettiga, L. J.; Rowhani, A.; Golino, D. (2021). Incidence and genetic diversity of grapevine Pinot gris virus in California. Am. J. Enol. Vitic. 72:2, 164-169.
  • Kurtural, S. K.; Beebe, A. E.; Martinez-Lusher, J.; Lund, K. T.; McGourty, G.; Bettiga, L. J. (2019). Conversion to mechanical management in vineyards reduces labor costs and maintains fruit composition in Merlot production. HortTechnology. 29:2, 128-139. https://doi.org/10.21273/HORTTECH04204-18
  • Diaz-Lara, A.; Klassen, V.; Sudarshana, M. R.; A., Rowhani; Maree, H. J.; Chooi, K. M.; Blouin, A. G.; Habili, N.; Aram, K.; Arnold, K.; Cooper, M. L.; Wunderlich, L.; Battany, M. C.; Bettiga, L. J.; Smith, R. J.; Preece, J. E.; Golino, D. and Al Rwahnih (2018). Characterization of grapevine leafroll-associated virus 3 genetic variants and application towards RT-qPCR assay design. PLOS ONE. 13:12. https://doi.org/10.1371/journal. pone.0208862
  • Bettiga, L. J. (2017). Comparison of bilateral cordon training methods on the development and productivity of Chardonnay and Pinot noir grapevines. Proceeding of the 20th International Meeting of the Group of International Experts of Vitivinicultural Systems for CoOperation. 20, 576-581.
  • Koike, S. T.; Bettiga, L. J.; Nguyen, T. T.; D., Gubler W. (2016). "First report of Cylindrocladiella lageniformis and C. peruviana as grapevine pathogens in California." Plant Disease 100(8): 1783.
  • Bettiga, L. J.; Ferris, H.; Zasada, I. (2016) Nematodes. In: UC Pest Management Guidelines: Grapes 117-124
  • Koike, S. T.; Bolda, M. P.; Gubler, W. D.; Bettiga, L. J. (2015). Diseases. UC DANR Publication 3437. 26-47.
  • Smith, R. J.; Bettiga, L. J.; Gubler, W. D. (2015). Diseases. UC Pest Management Guidelines: Grapes. UC DANR Publication 3448. 84-116.
  • Bettiga, L. J. (2015). "Growth and productivity of green-growing and dormant Chardonnay benchgrafts during vineyard establishment." HortTechnology 25(6): 752-756.
  • Varela, L. G; Haviland, D. R.; Bentley, W. J.; Zalom, F. G.; Bettiga, L. J.; Smith, R. J. (2015). Insects and mites. UC Pest Management Guidelines: Grapes. UC DANR Publication 3448. 13-83.
  • Bolda, M.; Bettiga, L. J. (2015). Insects and mites. UC Pest Management Guidelines: Caneberries. UC DANR Publication 3437. 6-25.
  • Ricketts, K. D.; Gomez, M. I.; Atallah, S. S.; Fuchs, M. F.; Martinson, T. E.; Smith, R. J.; Verdegaal, P. S.; Cooper, M. L.; Bettiga, L. J.; Battany, M. C. (2015). "Reducing the economic impact of grapevine leafroll disease in California: Identifying optimal disease management strategies." American Journal of Enology and Viticulture 66(2): 138-147.
  • Bettiga, L. J.; Koike, S. T.; Gubler, W. D.; Nguyen, T. (2014). "Identification of Cylindrocladiella species isolated from rootstock wood cankers in California." Phytopathologia Mediterranea 53(3): 568.
  • Bettiga, L.; Smith, R.; Peacock, W.; Weber, E; Verdegaal, P.; Hembree, K. (2013). Abiotic disorders and injuries of grapevines. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources.: 29-45.
  • Zalom, F; Bettiga, L.; Smith, R. (2013). Branch and twig borer. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources.: 405-421.
  • Bettiga, L.; Battany, M. (2013). Brown garden snail. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources.: 431-432.
  • Bettiga, L.; Varela, L.; Bentley, W. (2013). Brown Marmorated Stink Bug. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources.: 187-188.
  • Bettiga, L.; Gubler, W. (2013). Bunch rots. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources.: 93-103.
  • Bettiga, L.; Battany, M. (2013). Central coast calendar of events for viticulture management. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources.: 18-19.
  • Varela, L.; Bentley, W.; Bettiga, L. (2013). Citrus flat mite. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources.: 398.
  • Bettiga, L. (2013). Click beetle. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources.: 311.
  • Gubler, W.; Leavitt, G.; Bettiga, L. (2013). Downy mildew. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources.: 117-119.
  • Bettiga, L.; Bentley, W. (2013). Drosophila flies. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources.: 395-397.
  • Bettiga, L.; Smith, R. (2013). European earwig. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources.: 181-182.
  • Bettiga, L. (2013). Glossary of Viticulture and Pest Management. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources.: 577-586.
  • Varela, L.; Bentley, W.; Bettiga, L. (2013). Grape erineum mite. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources.: 399-402.
  • Walker, A.; Granett, J.; Bettiga, L.; Peacock, W.; Weber, E (2013). Grape phylloxera. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources.: 191-201.
  • Bettiga, L.; Verdegaal, P.; Fidelibus, M. (2013). Important structures and features of grapevines. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources.: 9-14.
  • Bettiga, L.; Varela, L.; Bentley, W. (2013). Larvae found in grape cluster. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources.: 335-336.
  • Bettiga, L.; Varela, L. (2013). Light brown apple moth. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources.: 360-363.
  • Bettiga, L. (2013). Maconellicoccus (Pink Hibiscus Mealybug). Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources.: 269-270.
  • Mckenry, M.; Bettiga, L. (2013). Nematodes. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources.: 499-511.
  • Bettiga, L.; Varela, L.; Philips, P (2013). Orange tortrix. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources.: 372-377.
  • Bettiga, L.; Brown, G (2013). Phytophthora Crown and Root Rot. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources. 131-132.
  • Bettiga, L.; Peacock, W. (2013). Potato leafhopper. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources.: 220-221.
  • Bettiga, L.; Gubler, W.; Leavitt, G. (2013). Powdery mildew. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources.: 137-149.
  • Bettiga, L.; Bentley, W. (2013). Principles and techniques of vine spraying. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources.: 541-558.
  • Weber, E; Bettiga, L.; Johnson, L.; Battany, M. (2013). Remote sensing of vineyards for pest management. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources.: 55-60.
  • Varela, L.; Daane, K.; Philips, P; Bettiga, L.; Triapitsyn, S. (2013). Scale insects. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources.: 273-276.
  • Bettiga, L. (2013). South coast calendar of events for viticulture management. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources.: 20-21.
  • Bentley, W.; Bettiga, L. (2013). Sphinx Moths. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources.: 373-385.
  • Zalom, F; Bentley, W.; Varela, L.; Bettiga, L.; Haviland, D. (2013). Spider mites. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources.: 307-310.
  • Philips, P; Smith, R.; Bettiga, L.; Hashim, J.; Peacock, W. (2013). Thrips. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources.: 295-301.
  • Salmon, T.; Marsh, R.; Bettiga, L. (2013). Verbebrate Pests. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources.: 473-496.
  • Bettiga, L. (2013). Verticillium Wilt. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources.: 155-156.
  • Koike, S.; Bolda, M.; Gubler, W.; Perry, E.; Bettiga, L. (2012). Diseases. UC Pest Management Guidelines: Caneberries. UC DANR Publication. 23-43.
  • Bolda, M.; Perry, E.; Bettiga, L. (2012). Insects and mites. UC Pest Management Guidelines: Caneberries. UC DANR Publication. 6-22.
  • Urbez-Torres, J.; Battany, M.; Bettiga, L.; Gispert, C; McGourty, G.; Roncoroni, J.; Smith, R.; Gubler, W. (2010). "Botryosphaeriaceae spore trapping studies in California vineyards." Plant Disease 94: 717-724.
  • Liu, P.; Bettiga, L.; Daane, K. (2010). "Ultralow oxygen treatment for control of Planococcus ficus (Hemiptera: Pseudococcidae) on grape benchgrafts." Journal of Economic Entomology 103(2): 272-276.
  • Baumgartner, K.; Fujiyoshi, P.; Smith, R.; Bettiga, L. (2010). "Weed flora and dormant-season cover crops have no effects on arbuscular mycorrhizae of grapevine." Weed Research 50: 456-466.
  • Koike, S. T.; M. Bolda; W. D. Gubler; E. J. Perry; L. J. Bettiga (2009). Diseases. UC Pest Management Guidelines: Caneberries. UC DANR Publication. 23-43.
  • Bolda, M.; Perry, E.; Bettiga, L. (2009). Insects and mites. UC Pest Management Guidelines: Caneberries. UC DANR Publication. 6-22.
  • Koike, S.; Bolda, M.; Bolda, J.; Gubler, W.; Bettiga, L. (2008). Diseases. UC Pest Management Guidelines: Caneberries. UC DANR Publication. 3-16.
  • Perry, E.; Bolda, M.; Bettiga, L. (2008). Insects and mites. UC Pest Management Guidelines: Caneberries. UC DANR Publication. 17-38.
  • Tourte, L.; Smith, R.; Bettiga, L.; Bensen, T.; Smith, R.; Salm, D. (2008). Post-emergence herbicides are cost effective for vineyard floor management on the Central Coast. California Agriculture. 62:1, 19-23.
  • Liu, P.; Daane, K.; Tebbets, S.; Bettiga, L. (2008). "Ultralow oxygen treatment for control of Latrodectus Hesperus (Araneae: Theridiidae) on harvested table grapes." Journal of Economic Entomology 101(5): 1515-1518.
  • Smith, R.; Bettiga, L.; Cahn, M.; Baumgartner, K.; Jackson, L.; Bensen, T. (2008). "Vineyard floor management affects soil, plant nutrition, and grape yield and quality." California Agriculture 62(4): 184-190.
  • Koike, S.; Bolda, M.; Perry, E.; Gubler, W.; Bettiga, L. (2006). Diseases. UC Pest Management Guidelines: Caneberries. UC DANR Publication. 3-14.
  • Perry, E.; Bolda, M.; Bettiga, L. (2006). Insects and mites. UC Pest Management Guidelines: Caneberries. UC DANR Publication. 16-34.
  • Baumgartner, K.; Smith, R.; Bettiga, L. (2005). "Weed control and cover crop management affect mycorrhizal colonization of grapevine roots and arbuscular mycorrhizal fungal spore populations in a California vineyard." Mycorrhiza 15: 111-119.
  • Bettiga, L. (2003). Chardonnay. Wine Grape Varieties of California.L. Christensen. DANR Publication.: 44-49.
  • Bettiga, L. (2003). "Comparison of four Merlot clonal selections in the Salinas Valley." American Journal of Enology and Viticulture 54(3): 207-210.
  • Gubler, W.; Bolda, M.; Perry, E.; Bettiga, L. (2003). Diseases. UC Pest Management Guidelines: Caneberries. UC DANR Publication. B1-11.
  • Perry, E.; Bolda, P.; Bettiga, L. (2003). Insects and mites. UC Pest Management Guidelines: Caneberries. UC DANR Publication. C1-12.
  • Bettiga, L.; Weber, E. (2003). Melon. Wine Grape Varieties of California.L. Christensen. DANR Publication.: 82-85.
  • Bettiga, L. (2003). Riesling. Wine Grape Varieties of California.L. Christensen. DANR Publication.: 118-121.
  • Gubler, W.; Perry, E.; Bettiga, L. (2000). Diseases. UC Pest Management Guidelines: Caneberries. UC DANR Publication. B1-12.
  • Perry, E.; Bettiga, L.; Tyler, R. (2000). Insects and mites. UC Pest Management Guidelines: Caneberries. UC DANR Publication. A1-6.
  • Dell, K.; Gubler, W.; Krueger, R.; Sanger, M.; Bettiga, L. (1998). "The efficacy of JMS stylet-oid on grape powdery mildew and Botrytis bunch rot and effects on fermentation." American Journal of Enology and Viticulture 49(1): 11-16.
  • Gubler, W.; Perry, E.; Bettiga, L. (1997). Diseases. UC Pest Management Guidelines: Caneberries. UC DANR Publication. B1-12.
  • Perry, E.; Bettiga, L.; Tyler, R. (1997). Insects and mites. UC Pest Management Guidelines: Caneberries. UC DANR Publication. A1-6.
  • Gubler, W.; Ypema, H.; Quimette, P.; Bettiga, L. (1996). "Occurrence of resistance in Uncinula necator to triadimefon, myclobutanil, and fenarimol in California grapevines." Plant Disease 80: 902-909.
  • Bettiga, L.; Dokoozlian, N.; Williams, L. (1996). Windbreaks improve the growth and yield of Chardonnay grapevines in a cool climate. 4th International Cool Climate Viticulture and Enology Symposium.
  • Bettiga, L. (1995). Comparison of Merlot and Chardonnay clones in Monterey County. International Symposium on Clonal Selection, American Journal of Enology and Viticulture.
  • Gubler, W.; Ypema, H.; Quimette, P.; Bettiga, L. (1994). Resistance of Uncinula necator to DMI fungicides in California vines. Fungicide Resistance.
  • Wildman, W.; Bowers, K.; Bettiga, L. (1992). Aerial photography in vineyard pest, soil and water management. Grape Pest Management.D. Flaherty. University of California DANR Publication.: 32-38.
  • Zalom, F; Bettiga, L.; Donaldson, D. (1992). Branch and Twig Borer. Grape Pest Management.D. Flaherty. University of California DANR Publication.: 124-128.
  • Marois, J.; Bledsoe, A.; Bettiga, L. (1992). Bunch Rots. Grape Pest Management.D. Flaherty. University of California DANR Publication.: 63-70.
  • Bettiga, L.; Foott, J. (1992). Calendar of events for viticultural management - Central Coast. Grape Pest Management.D. Flaherty. University of California DANR Publication.: 16-17.
  • Granett, J.; Christensen, L.; Bettiga, L.; Peacock, W. (1992). Grape Phylloxera. Grape Pest Management.D. Flaherty. University of California DANR Publication. 153-158.
  • Bettiga, L.; Philips, P (1992). Orange Tortrix. Grape Pest Management.D. Flaherty. University of California DANR Publication.: 160-164.
  • Gubler, W.; Bettiga, L.; Heil, D. (1991). "Comparison of hand and machine leaf removal for the control of Botrytis bunch rot." American Journal of Enology and Viticulture 42(3): 233-236.
  • Bettiga, L.; Gubler, W.; Marois, J.; Bledsoe, A. (1989). Integrated control of Botrytis bunch rot of grape. California Agriculture. 43:2, 9-11.
  • Bettiga, L. (1989). Preventative control of powdery mildew on grapevines. California Agriculture. 43:2, 28.
  • Gubler, W.; Marois, J.; Bledsoe, A.; Bettiga, L. (1987). "Control of Botrytis bunch rot of grape through canopy management." Plant Disease 71: 599-601.
  • Jensen, F.; Christensen, L.; Bettiga, L. (1984). Desiccants for grapevines. California Agriculture. 38:9, 19.
  • Flaherty, D.; Peacock, W.; Bettiga, L.; Leavitt, G. (1982). Chemicals losing effect against Grape Mealybug. California Agriculture. 36, 15-16.
  • Sibbett, G.; Bettiga, L.; Bailey, M. (1982). Walnut Aphid becoming a costly midsummer pest. California Agriculture. 36, 21-22.
  • Flaherty, D.; Jensen, F.; Peacock, W.; Bettiga, L. (1981). Grape Mealybug. Grape Pest Management.D. Flaherty. University of California DANR Publication.: 160-164.

Non-Peer Reviewed

  • Bettiga, L. J. (2024). Grape powdery mildew management: points to consider. Proceedings of the California Table Grape Seminar. 4 pp.
  • Bettiga, L. J. (2023). Evaluation of fungicide for Botrytis bunch rot control on grapevines - 2023. UCCE Monterey County Research Report. 3 pgs.
  • Bettiga, L. J. (2023). Fungicide evaluation for grape powdery mildew control- 2023. UCCE Monterey County Research Report. 7 pgs.
  • Bettiga, LJ (2022). Comparison of planting stock on the early growth and productivity of Chardonnay grapevines. American Society of Enology and Viticulture National Conference Technical Abstracts. 73, 58.
  • Bettiga, LJ (2022). Evaluation of fungicide for Botrytis bunch rot control on grapevines - 2022. UCCE Monterey County Research Report. 3 pp.
  • Bettiga, LJ (2022). Fungicide evaluation for grape powdery mildew control- 2022. UCCE Monterey County Research Report. 6 pp.
  • Eskalen, A; Hardy, AE; Elfar, K; Bustamente, M; Al-Rwahnih, M; Star, C; Bolton, S; McRoberts, N; Battany, M; Bettiga, L; Arnold, K; Zhuang, G (2022). Investigating the causal agents of Sudden Vine Collapse in California. Proceedings of the 12th International Workshop on Grapevine Trunk Diseases. Phytopathologia Mediterranea. 61:2, 320.
  • Bustamente, MB; Elfar, K; Arrequin, R; Smith, RJ; Bettiga, LJ; Tian, T; Torres, GA; Zhuang, G; Eskalen, A (2022). Investigating the role of Fusarium on young vine decline in California. Proceedings of the 12th International Workshop on Grapevine Trunk Diseases. Phytopathologia Mediterranea. 61:2, 349.
  • Hobbs, M; Cooper, M; Vengo, S; Moyer, M; Bolton, S; Bettiga, L (2022). Overcoming the challenges to insect-vectored disease management: A case study of leafroll and red blotch diseases. American Society of Enology and Viticulture National Conference Technical Abstracts. 73, 72.
  • Shahak Ravid, Y; Bettiga, LJ; Smith, RJ; Peacock, WL; Booth, N; Acheampong, AK; Farkas, DL (2022). Photoselective device accelerates growth and shortens time-to-production of newly planted vines. American Society of Enology and Viticulture National Conference Technical Abstracts. 73, 80.
  • Bettiga, L. (2021). Effect of planting stock and training strategies on early development and productivity of Pinot noir grapevines. Technical Abstracts American Society for Enology and Viticulture National Conference. 72, 31.
  • Bettiga, L. J. (2021). Evaluation of fungicide for Botrytis bunch rot control on grapevines - 2021. UCCE Monterey County Research Report. 3 pp.
  • Bettiga, L. J. (2021). Fungicide evaluation for grape powdery mildew control- 2021. UCCE Monterey County Research Report. 6 pp.
  • Eskalen, A.; Hardy, E.; Elfar, K.; Al Rwahnih, M.; Star, C.; Shimozaki, M.; Bolton, S.; McRoberts, N.; Battany, M.; Bettiga, L.; Arnold, K.; Zhuang, G.; Torres, G. (2021). Understanding sudden vine collapse in California. San Joaquin Valley Tree and Vines. June 23.
  • Smith, R.; Bettiga, L.; Hasegawa, D. (2021). Weed control in vineyards to slow the spread of Impatiens Necrotic Spot Virus (INSV) in lettuce. Central Coast Vineyard News. 2 pp.
  • Bettiga, L. J. (2020). Applying IPM principles to your pest management program. Proceedings of the 68th Annual Lodi Grape Day. 68, 14-15.
  • Bettiga, L. J. (2020). Evaluation of fungicide for Botrytis bunch rot control on grapevines - 2020. UCCE Monterey County Research Report. 3pp.
  • Bettiga, L. J. (2020). Fungicide evaluation for grape powdery mildew control- 2020. UCCE Monterey County Research Report. 6pp.
  • Eskalen, A.; Hardy, E.; Elfar, K.; Star, C.; Shimozaki, M.; Bolton, S.; McRoberts, N.; Al Rwahnih, M.; L. Bettiga, L.; M. Battany, M. (2020). Sudden (mystery) vine collapse. CAPCA Advisor. 23:4, 28-32.
  • Hardy, E.; Elfar, K.; Lynch, M.; Star, C.; Shimozaki, M.; Bolton, S.; McRoberts, N.; Al Rwahnih, M.; Bettiga, L.; M. Battany, M.; Eskalen, A. (2020). Sudden vine collapse: current understanding of a disease complex. UCANR handout. 1 p. https://ucanr.edu/sites/eskalenlab/files/320825.pdf
  • Kurtural, S. K.; Martinez-Lusher, J.; Zhuang, S.; Lund, K. T.; McGourty, G.; Bettiga, L. J. (2019). Conversion to mechanical management in vineyards maintains fruit composition while reducing labor costs in ‘Merlot’ grapevine production. Proceeding of the 21th International Meeting of the Group of International Experts of Vitivinicultural Systems for CoOperation. 21, 146.
  • Bettiga, L. J. (2019). Evaluation of fungicide for Botrytis bunch rot control on grapevines - 2019. UCCE Monterey County Research Report. 3 pp.
  • Bettiga, L. J. (2019). Fungicide evaluation for grape powdery mildew control- 2019. UCCE Monterey County Research Report. 7 pp.
  • Bettiga, L. J. (2019). Influence of planting stock and training strategy on the development and productivity of Pinot noir grapevines. . Proceeding of the 21th International Meeting of the Group of International Experts of Vitivinicultural Systems for CoOperation. 21, 269.
  • Bettiga, L. J. (2018). Effect of Root Trimming and Planting Method on Early Vine Development. American Society of Enology and Viticulture National Conference Technical Abstracts. 60.
  • Bettiga, L. J. (2018). Evaluation of fungicide for Botrytis bunch rot control on grapevines - 2018. UCCE Monterey County Research Report. 3 pp.
  • Bettiga, L. J. (2018). Evaluation of fungicides for the control of Botrytis bunch rot of grape, 2016. Plant Management Disease Report. 12:PF080.
  • Bettiga, L. J. (2018). Evaluation of fungicides for the control of Botrytis bunch rot of grape, 2017. Plant Management Disease Report. 12:PF064.
  • Bettiga, L. J. (2018). Evaluation of fungicides for the control of grape powdery mildew, 2016. Plant Management Disease Report. 12:PF081.
  • Bettiga, L. J. (2018). Evaluation of fungicides for the control of grape powdery mildew, 2017. Evaluation of fungicides for the control of grape powdery mildew, 2017. 12:PF065.
  • Bettiga, L. J. (2018). Fungicide evaluation for grape powdery mildew control- 2018. UCCE Monterey County Research Report. 7 pp.
  • Bettiga, L. J. (2018). Recognizing grapevine leafroll disease. Central Coast Vineyard News. 5 pp.
  • Bettiga, L. J. (2018). Rootstock selection for vineyards. Proceedings of the Lodi Grape Day. 2 pp.
  • Bettiga, L. J. (2018). Vintage 2018 - Monterey, San Benito, and Santa Cruz Counties. Wines and Vines. 99:12, 117-118.
  • Bettiga, L. J. (2017). Comparison of bilateral cordon training methods on the development and productivity of Chardonnay and Pinot noir grapevines. Book of Abstracts. 20th GiESCO International Meeting. 132.
  • Bettiga, L. J. (2017). Evaluation of fungicide for Botrytis bunch rot control on grapevines - 2017. UCCE Monterey County Research Report. 3 pp.
  • Bettiga, L. J. (2017). Field evaluation of GRN rootstocks on the growth and productivity of Chardonnay grapevines in the Salinas Valley. American Society of Enology and Viticulture National Conference Technical Abstracts. 90.
  • Bettiga, L. J. (2017). Fungicide evaluation for grape powdery mildew control- 2017. UCCE Monterey County Research Report. 6 pp.
  • Al Rwahnih, M.; Golino, D. A.; Westrick, N.; Diaz Lara, A.; Cooper, M.; Smith, R. J.; Battany, M.; Bettiga, L.; Zhuang, S.; Arnold, K. L.; Farrar, K.; Rowhani, A. (2017). Grapevine Pinot gris virus: an emerging virus in Napa Valley vineyards. Phytopathology. 107:S5.1, 139.
  • Bettiga, L. J. (2017). Smoke taint of wines. Central Coast Vineyard News. 3pp. July 26.
  • Bettiga, L. J. (2017). Vintage 2016 – Monterey, San Benito and Santa Cruz Counties. Wines and Vines. 98:1, 120.

  • Bettiga, L. J. (2016) Evaluation of fungicides for the control of Botrytis bunch rot of grape, 2015. Plant Management Disease Report 10, SMF002. Doi: 10.1094/PDMR10.

  • Bettiga, L. J. (2016) Evaluation of fungicides for the control of grape powdery mildew, 2015. Plant Management Disease Report 10, SMF001. Doi: 10.1094/PDMR10.

  • Bettiga, L. J. (2016). Evaluation of Riesling clonal selections in the Salinas Valley. American Society of Enology and Viticulture National Conference Technical Abstracts. 78-79.
  • Bettiga, L. J. (2016). Grapevine red blotch or leafroll: Are these viruses having an impact in your vineyard? Progressive Crop Consultant. 1:1, 6-9.
  • Bettiga, L. (2016). Vintage 2015 – Monterey, San Benito and Santa Cruz Counties. Wines and Vines. 97:1, 80-81.
  • Bettiga, L.J. (2015) Evaluation of fungicides for the control of Botrytis bunch rot of grape, 2014. Plant Management Disease Report 9, DOI: 10.1094/PDMR09
  • Bettiga, L.J. (2015). Assessing grapevine leafroll and red blotch disease impacts in local vineyards. Central Coast Vineyard News. 7. September 2015.
  • Bettiga, L.J.; Gubler, W.D. (2015). Bunch rot part I: Botrytis cinerea. Coffee Shop. Lodi Wine Grape Commission. July 21, 2015. http://www.lodigrowers.com/botrytis-cinerea/
  • Bettiga, L.J.; Gubler, W. D. (2015). Bunch rot part II: Sour rot. Coffee Shop. Lodi Wine Grape Commission. July 28, 2015. http://www.lodigrowers.com/bunch-rot-part-ii-sour-rot/
  • Bettiga, L.J. (2015). Comparison of benchgraft and training strategies on the development and productivity of Chardonnay grapevines. American Society of Enology and Viticulture National Conference Technical Abstracts. 58.
  • Bettiga, L.J. (2015). Evaluation of Fungicide for Botrytis bunch rot control on grapevines - 2015. UCCE Monterey County Research Report. 3.
  • Bettiga, L.J. (2015) Evaluation of fungicides for the control of grape powdery mildew, 2014. Plant Management Disease Report 9, DOI: 10.1094/PDMR09
  • Bettiga, L.J. (2015). Fungicide evaluation for grape powdery mildew control- 2015. UCCE Monterey County Research Report. 6.
  • Cooper, M. L.; Bettiga, L.J.; Smith, R.J.; Travadon, R.; Baumgartner, K. (2015). Guide to vineyard trunk diseases in California. UC DANR trifold pamphlet.
  • Bettiga, L.J. (2015). Pinot leaf curl. Central Coast Vineyard News. 3. April 10, 2015.
  • Smith, R.J.; Bettiga, L. J.; Adams, D. O. (2015). Pinot leaf curl. CAPCA Adviser. 18:4, 48-54.
  • Bettiga, L.J. (2015). Pinot leaf curl returns. American Vineyard. 24:6, 20.
  • Bettiga, L.J. (2015). Verticillium Wilt. Coffee Shop. Lodi Wine Grape Commission. June 16, 2014. . http://www.lodigrowers.com/verticilium-wilt
  • Bettiga, L.J. (2015). Vintage 2014 -€ Monterey, San Benito and Santa Cruz Counties. Wines and Vines. 96:1, 132-133.
  • Bettiga, L. (2014). Comparison of bilateral cordon training methods on the development and productivity of grapevines. American Society of Enology and Viticulture National Conference Technical Abstracts. 101.
  • Bettiga, L. (2014). Evaluation of Fungicide for Botrytis bunch rot control on grapevines - 2014. UCCE Monterey County Research Report. 3.
  • Bettiga, L. (2014). Fungicide evaluation for grape powdery mildew control- 2014. UCCE Monterey County Research Report.
  • Bettiga, L. J.; Koike, S. T.; Gubler, W. D.; Nguyen, T (2014). Identification of Cylindrocladiella species isolated from rootstock wood cankers in California. 9th International Workshop on Grapevine Trunk Diseases, Adelaide, Australia.
  • Koike, S.; Bettiga, L.; Bolda, M. (2014). Powdery mildews: significant disease issues for coastal crops. CAPCA Advisor. 27:3, 34-36.
  • Weber, E. L.; Bettiga, L.J.; Johnson, L.; Battany, M. (2014). Remote sensing for vineyard pest management. Coffe Shop. Lodi Wine Grape Commission. June 16, 2014.
  • Bettiga, L. (2014). Vineyard design, trellis options and canopy management for wine grapes. San Joaquin Valley Winegrowers Association 2014 Annual Research Roadshow, Fresno, CA.
  • Bettiga, L. (2014). Vintage Report 2013 Monterey, San Benito and Santa Cruz Counties. Wines and Vines. 95:1, 114-115.
  • Bettiga, L. (2013). Comparison of training strategies and vine shelter on the development and productivity of Chardonnay grapevines. American Society for Enology and Viticulture National Conference Technical Abstracts. 149.
  • Bettiga, L. (2013). Evaluation of Fungicides for Botrytis bunch rot control on grapevines -2013. UCCE Monterey County Research Report. 6.
  • Bettiga, L. (2013). Fungicide evaluation for grape powdery mildew control - 2013. UCCE Monterey County Research Report. 7.
  • Smith, R. F.; Bettiga, L. J.; Cahn, M. (2013). "Impact of vineyard floor management practices on weed communities and soil quality." HortScience 48(9): S98-99.
  • Bettiga, L. (2013). Movento evaluation for nematode management in coastal vineyards. UCCE Monterey County Research Report. 9.
  • Bettiga, L. (2013). Vintage 2012: Monterey, San Benito and Santa Cruz Counties. Wines and Vines. 94:1, 102-104.
  • Niederholzer, F.; Billing, R.; Giles, K.; Wunderlich, L.; Bettiga, L.; Smith, R. (2013). Ways to save on grape spraying. Western Fruit Grower. 133:1, S4-5. http:.//www.growingproduce.com/article/32546/ways-to-save-on-grape-spraying
  • Smith, R.; Bettiga, L.; Cahn, M. (2012). "Benefits and drawbacks of in-row cover crops in vineyards." California Weed Science Society Journal 64: 2.
  • Gubler, W.; Bettiga, L. (2012). Botrytis Bunch Rot. Handout for the Lodi and Sonoma County Grape Days 2012. Lodi and Sonoma County Grape Days, Lodi and Sonoma County.
  • Bettiga, L. (2012). Brown marmorated stink bug. Salinas Valley Agriculture. ANR Blog. September 27, 2012.
  • Niederholzer, F.; Billing, F.; Giles, K.; Wunderlich, L.,; Bettiga, L.; Smith, R. (2012). Cost saving practices ranked for grape spraying. Central Coast Vineyard News. 6. November 2012.
  • Bettiga, L. (2012). Evaluation of Fungicides for Botrytis bunch rot control on grapevines -2012. UCCE Monterey County Research Report. 3.
  • Bettiga, L.; Smith, R.; Cahn, M. (2012). Evaluation of in-row cover cropping as a vineyard management tool. 8th International Cool Climate Symposium, Hobart, Tasmania.
  • Bettiga, L.; Smith, R.; Cahn, M. (2012). "Evaluation of the impacts of in-row vineyard floor management practices on soil and water erosion, vine growth, and productivity of grapevines." American Society for Enology and Viticulture National Conference Technical Abstracts. American Journal of Enology and Viticulture 63(3): 441A.
  • Bettiga, L. (2012). Fungicide evaluation for grape powdery mildew control - 2012. UCCE Monterey County Research Report. 8.
  • Bettiga, L. (2012). Grapevine leafroll disease - should you be concerned? Central Coast Vineyard News. 5. Fall 2012.
  • Bettiga, L. (2012). Movento evaluation for nematode management in coastal vineyards. UCCE Monterey County Research Report. 4.
  • Smith, R.; Bettiga, L.; Hanson, B. (2012). Options for controlling marestail and hairy fleabane in vineyards. Central Coast Vineyard News. 2. December 17, 2012. http://ucanr.edu/blogs/UCDWeedScience
  • Peduto, F.; Coop, L.; Strand, J.; Bettiga, L.; Broome, J.; Mahafee, W.; Gubler, W. (2012). "Sustainable grape pest management for California using weather data and disease risk models." Phytopathology 102(S4): 91.
  • Bettiga, L. (2012). Vintage 2011: Monterey, San Benito and Santa Cruz Counties. Wines and Vines. 93:1, 120.
  • Bettiga, L.; Smith, R.; Varela, L.; Cooper, M.; Bentley, W. (2011). Be Alert Ÿ Atencion! European Grapevine Moth La Palomilla Europea Del Racimo. UC DANR Bilingual Poster. UC DANR.
  • Bettiga, L. (2011). Canopy management practices. Varietal Winegrape Production Short Course Binder. UC Davis, UNEX Publication. 2.
  • Peduto, F.; Sutherland, A.; Hand, E.; Broome, J.; Bettiga, L.; Smith, R.; Mahafee, W.; Gubler, W. (2011). "Comparing the efficiency of visual scouting, spore trapping and a bioindicator for early detection of Erysiphe necator in California vineyards." Phytopathology 101(6): S139.
  • Smith, R.; Varela, L.; Cooper, M.; Bentley, W.; Bettiga, L. (2011). European grapevine Moth: Lobesia botrana. UC DANR. 2 pgs.
  • Bettiga, L. (2011). Evaluation of Fungicides for Botrytis bunch rot control on grapevines - 2011. UCCE Monterey County Research Report. 3.
  • Bettiga, L. (2011). "Evaluation of Pinot noir clonal selections in the Salinas Valley." American Society for Enology and Viticulture National Conference Technical Abstracts American Journal of Enology and Viticulture 62(3): 395A.
  • Bettiga, L. (2011). Fungicide evaluation for grape powdery mildew control - 2011. UCCE Monterey County Research Report. 8.
  • Bettiga, L. (2011). Glossary of viticulture and pest management terms. Varietal Winegrape Production Short Course Binder. UC Davis, UNEX Publication. 17.
  • Varela, L.; Bettiga, L.; Smith, R.; Bentley, W.; Cooper, M. (2011). Guide to Moths and Worms in Grapevine Clusters. UC DANR. 2 pgs.
  • Bettiga, L. (2011). Movento evaluation for nematode management in coastal vineyards. UCCE Monterey County Research Report. 4.
  • Bettiga, L. (2011). Vine pruning. Varietal Winegrape Production Short Course Binder. UC Davis, UNEX Publication. 14.
  • Smith, R.; Bettiga, L. (2011). "Weed communities in a wine grape vineyard shift under three weed control strategies." California Weed Science Society Journal 7(2): 8-11.
  • Bettiga, L. (2010). Comparison of pruning methods and severity on the vine growth and productivity of Chardonnay grapevines. International Cool Climate Symposium Technical Abstracts. 45.
  • Bettiga, L. (2010) European grapevine moth. MCVGA Online Update 2
  • Bettiga, L. (2010). European grapevine moth detected in five counties. Salinas Valley Agriculture. ANR Blog. May 7, 2010.
  • Bettiga, L. (2010). Evaluation of Fungicides for Botrytis bunch rot control on grapevines -2010. UCCE Monterey County Research Report. 3.
  • Bettiga, L. (2010). Evaluation of Syrah clonal selections in the Salinas Valley. American Society for Enology and Viticulture National Conference Technical Abstracts.
  • Bettiga, L. (2010). Fungicide evaluation for grape powdery mildew control - 2010. UCCE Monterey County Research Report. 7.
  • Varela, L.; Cooper, M.; Bettiga, L.; Smith, R. (2010). Identification of Tortricid moths in California vineyards. CAPCA Advisor. 13:5, 24-29.
  • Bettiga, L. (2010). Vineyard design: spacing and layout considerations. Varietal Winegrape Production Short Course Binder. UNEX publication, UC Davis. 7.
  • Bettiga, L. (2010). Vintage 2009: North America's growing regions - Monterey, San Benito and Santa Cruz Counties. Wines and Vines. 91:1, 106-107.
  • Bettiga, L. (2009). Evaluation of Fungicides for Botrytis bunch rot control on grapevines -2009. UCCE Monterey County Research Report. 3.
  • Bettiga, L.; Smith, R.; Cahn, M. (2009). Evaluation of in-row cover cropping as a vineyard management tool. 16th International Symposium of the Group of International Experts of Vitivinicultural Systems for CoOperation.
  • Bettiga, L.; Smith, R.; Cahn, M.; Tourte, L. (2009). Evaluation of the impacts of in-row vineyard floor management practices on soil and water erosion, vine growth and productivity, weed control, and the economics of wine grape production. Viticulture Consortium. 25.
  • Bettiga, L. (2009). Fungicide evaluation for grape powdery mildew control - 2009. UCCE Monterey County Research Report. 7.
  • Bettiga, L. (2009). Glossary of viticulture and pest management terms. Varietal Winegrape Production Short Course Binder. UNEX publication, UC Davis. 17.
  • Bettiga, L. (2009). Spotted wing drosophila - a new pest of grapes? Central Coast Vineyard Team Newsletter. 4.
  • Bettiga, L. (2009). Spotted wing drosophila - a new pest of grapes? Vine Lines. 6. October/November 2009.
  • Bettiga, L. (2009). Trellis options and canopy management for winegrapes. Varietal Winegrape Production Short Course Binder. UNEX publication, UC Davis. 9.
  • Liu, Y.; Bettiga, L. (2009). Ultralow oxygen treatment for control of mealybugs and black widow spiders on exported table grapes. California Table Grape Commission 2008 Annual Research Report. 12.
  • Bettiga, L. (2009). Vine pruning. Varietal Winegrape Production Short Course Binder. UNEX publication, UC Davis. 9.
  • Bettiga, L. (2009). Vineyard development. Varietal Winegrape Production Short Course Binder. UNEX publication, UC Davis. 14.
  • Baumgartner, K.; Fujiyoshi, P.; Smith, R.; Bettiga, L. (2009). Vineyard floor management has minimal effects on mycorrhizae. 11th International Symposium on Soil and Plant Analysis Technical Abstracts.
  • Bettiga, L. (2009). Vintage 2008: North America's growing regions - Monterey, San Benito and Santa Cruz Counties. Wines and Vines. 90:1, 111-112.
  • Bettiga, L. (2008). Evaluation of Fungicides for Botrytis bunch rot control on grapevines -2008. UCCE Monterey County Research Report. 3.
  • Bettiga, L. (2008). Evaluation of Syrah clonal selections in the Salinas Valley. 2nd National Viticulture Research Conference.
  • Bettiga, L.; Smith, R.; Cahn, M.; Tourte, L. (2008). Evaluation of the impacts of in-row vineyard floor management practices on soil and water erosion, vine growth and productivity, weed control, and the economics of wine grape production. Viticulture Consortium. 23.
  • Bettiga, L. (2008). Fungicide evaluation for grape powdery mildew control - 2008. UCCE Monterey County Research Report. 7.
  • Liu, P.; Bettiga, L. (2008). Postharvest control of vine mealybug on grape nursery stocks using ultralow oxygen treatment. California Table Grape Commission 2007 Annual Research Report. 5.
  • Bettiga, L. (2008). Vineyard floor management options. British Columbia Viticulture and Enology Conference, Penticton, Canada.
  • Bettiga, L. (2008). Vintage 2007: North America's growing regions - Monterey, San Benito and Santa Cruz Counties. Wines and Vines. 89:1, 48.
  • Bettiga, L. (2008). Viticulture research has value for county vineyards. The Salinas Californian. January, 28, 2008.
  • Bettiga, L.; Dokoozlian, N. (2007). Comparisons of Merlot grapevines grown on vertical trellis systems. 1st Annual National Viticulture Research Conference.
  • Bettiga, L. (2007). Evaluation of Fungicides for Botrytis bunch rot control on grapevines - 2007. UCCE Monterey County Research Report. 3.
  • Bettiga, L.; Smith, R.; Cahn, M.; Tourte, L. (2007). "Evaluation of the impact of in-row practices on soil/water erosion, vine growth and productivity, weed control, economics of wine grape reduction." Practical Winery and Vineyard 29(3): 42-45.
  • Bettiga, L.; Smith, R.; Cahn, M.; Tourte, L. (2007). Evaluation of the impacts of in-row vineyard floor management practices on soil and water erosion, vine growth and productivity, weed control, and the economics of wine grape production. Viticulture Consortium.
  • Bettiga, L. (2007). Fungicide evaluation for grape powdery mildew control - 2007. UCCE Monterey County Research Report. 8.
  • Bettiga, L.; Smith, R.; Cahn, M.; Tourte, L. (2007). Impact of vineyard floor management practices on weed control, soil and water parameters, vine growth, and economics. Sonoma County Grape Day, UCCE Sonoma County Publication.
  • Bettiga, L.; Ashford, D. (2007). Overtime conservation becomes the norm. AWQA Annual Report 2006-2007. Agriculture Water Quality Alliance. 2.
  • Liu, P.; Bettiga, L. (2007). Ultralow oxygen treatment for control of mealybugs and black widow spiders on exported table grapes. California Table Grape Commission 2006 Annual Research Report. 5.
  • Bettiga, L.; Smith, R.; Cahn, M.; Tourte, L. (2007). "Vineyard Floor Management - Evaluation of long-term impact on crop production and quality, weed control, soil and water parameters, and economics of wine grape production." Practical Winery and Vineyard 29(3): 46-49.
  • Bettiga, L. (2007). Vintage 2006 - Monterey, San Benito and Santa Cruz Counties. Wines and Vines. 88:1, 104-105.
  • Tourte, L.; Smith, R.; Bettiga, L. (2006). Central coast vineyard floor management practices and economics. UC Delivers.
  • Smith, R.; Bensen, T.; Bettiga, L.; Tourte, L. (2006). Effects of vineyard floor management practices on the development of distinct weed communities in a California vineyard. Proceedings of the California Weed Society.
  • Smith, R.; Bettiga, L.; Bensen, T. (2006). Effects of vineyard floor management practices on soil physical, nutritional, and microbiological characteristics. American Society for Enology and Viticulture Technical Abstracts. 44.
  • Bettiga, L. (2006). Evaluation of fungicides for Botrytis bunch rot control on grapevines - 2004. UCCE Monterey County Research Report. 2.
  • Bettiga, L. (2006). Evaluation of Fungicides for Botrytis bunch rot control on grapevines - 2006. UCCE Monterey County Research Report. 3.
  • Smith, R.; Bettiga, L.; Baumgartner, K.; Jackson, L. (2006). Evaluation of the effects of vineyard floor management practices on soil microbiology. Western Sustainable Agriculture Research and Education. Western Sustainable Agriculture Research and Education.
  • Bettiga, L.; Smith, R.; Cahn, M.; Tourte, L. (2006). Evaluation of the long-term impact of vineyard floor management practices on crop production and quality, weed control, soil and water parameters, and the economics of wine grape production. Viticulture Consortium.
  • Bettiga, L. (2006). Fungicide evaluation for grape powdery mildew control - 2006. UCCE Monterey County Research Report. 8.
  • Bettiga, L. (2006). Harvest 2005 - Monterey, San Benito and Santa Cruz Counties. Wines and Vines. 87:1, 97-98.
  • Daane, K.; Bentley, W.; Biscay, P.; Cooper, M.; Ingels, C.; Yokota, G.; Walton, v.; Millar, J.; Bettiga, L. (2006). Sustainable controls for the vine mealybug: mating disruption. 2005-2006 Viticulture Research Reports. California Table Grape Commission. 34, 28.
  • Smith, R.; Bettiga, L.; Bensen, T. (2005). Association of weed species with vineyard floor management practices in California. American Society for Enology and Viticulture Technical Abstracts. 8.
  • Smith, R.; Bettiga, L.; Baumgartner, K.; Jackson, L. (2005). Evaluation of the effects of vineyard floor management practices on soil microbiology. Western Sustainable Agriculture Research and Education. Western Sustainable Agriculture Research and Education.
  • Bettiga, L.; Smith, R.; Cahn, M.; Tourte, L. (2005). Evaluation of the long-term impact of vineyard floor management practices on crop production and quality, weed control, soil and water parameters, and the economics of wine grape production. Viticulture Consortium.
  • Bettiga, L. (2005). Fungicide evaluation for grape powdery mildew control - 2005. UCCE Monterey County Research Report. 5.
  • Bettiga, L. (2004). Evaluation of fungicide for Botrytis bunch rot control- 2004. UCCE Monterey County Research Report.
  • Smith, R.; Bettiga, L.; Baumgartner, K.; Jackson, L. (2004). Evaluation of the effects of vineyard floor management practices on soil microbiology. Western Sustainable Agriculture Research and Education Report. Western Sustainable Agriculture Research and Education.
  • Bettiga, L.; Smith, R.; Cahn, M.; Tourte, L. (2004). Evaluation of the long-term impact of vineyard floor management practices on crop production and quality, weed control, soil and water parameters, and the economics of wine grape production. Viticulture Consortium.
  • Bettiga, L. (2004). Fungicide evaluation for grape powdery mildew control - 2004. UCCE Monterey County Research Report. 5.
  • Bettiga, L. (2004). Harvest Report 2003 - Monterey, San Benito and Santa Cruz Counties. Wines and Vines. 85:2, 39-40.
  • Bettiga, L. (2004). "Influence of rootstock on growth and yield characteristics of Sauvignon blanc grapevines in the Salinas Valley." American Journal of Enology and Viticulture 55(3)
  • Bettiga, L. (2004). Trellis options and canopy management. Foothill Grape Day Proceedings, UCCE Placer/Nevada Counties Publication.
  • Bettiga, L. (2004). Vineyard floor management practices. Central Coast Vineyard Team Newsletter. 1,8.
  • Smith, R.; Bettiga, L. (2003). Demonstration of vineyard floor management alternatives. Department of Pesticide Regulation Reduced-Risk Pest Management Grant Bid No. 00-02. 2002.
  • Baumgartner, K.; Smith, R.; Bettiga, L. (2003). Effects of vineyard floor management on mycorrhizal fungi in a central coast, California vineyard. American Society for Enology and Viticulture Annual Meeting Abstracts.
  • Bettiga, L. (2003). Evaluation of Fungicide for Botrytis bunch rot control on grapevines. UCCE Monterey County Research Report. 2.
  • Bettiga, L. (2003). Fungicide evaluation for grape powdery mildew control. UCCE Monterey County Research Report. 5.
  • Bettiga, L. (2003). Harvest Report 2002 - Monterey, San Benito and Santa Cruz Counties. Wines and Vines. 84:2, 37-38.
  • Vasquez, S.; Weber, E.; Bettiga, L. (2003). Vine Mealybug Hits California. Grape Grower. 35:1, 6-7.
  • Bettiga, L. (2003). Vine mealybug on the central coast. Central Coast Vineyard Team Newsletter. 1-2.
  • Bettiga, L. (2003). Vine mealybug on the central coast: Are you doing all you can to prevent this insect from becoming established in your vineyard? Central Coast Vineyard News. 1-3. September 2003.
  • Bettiga, L. (2002). Comparison of vine shelter and training methods on the development and production of Chardonnay grapevines. Central Coast Winegrape Seminar Proceedings.
  • Smith, R.; Bettiga, L. (2002). Demonstration of vineyard floor management alternatives. Central Coast Winegrape Seminar Proceedings.
  • Bettiga, L. (2002). Evaluation of Chardonnay Clonal Selections. Clonal Aspects of Winegrowing, UC Davis, UNEX Publication.
  • Bettiga, L. (2002). "Evaluation of Chardonnay clonal selections in the Salinas Valley." American Journal of Enology and Viticulture 53(3): 256-257.
  • Bettiga, L. (2002). Evaluation of Fungicide for Botrytis bunch rot control on grapevines. UCCE Monterey County Research Report. 3.
  • Bettiga, L. (2002). Fungicide evaluation for grape powdery mildew control -2002. UCCE Monterey County Research Report. 5.
  • Wample, R.; Bettiga, L. (2002). Grapevine cold hardiness: developing a database for California. American Vineyard Foundation/California Competitive Grants Program/California State University Agricultural Research Initiative.
  • Bettiga, L. (2002). Harvest Report 2001 - Monterey, San Benito and Santa Cruz Counties. Wines and Vines. 83:2, 28.
  • Bettiga, L. (2002). The vine mealybug spreads to coastal production areas. Central Coast Vineyard News. October 2002.
  • Bettiga, L. (2001). Clonal evaluation of Chardonnay in the Salinas Valley. Central Coast Winegrape Seminar Proceedings.
  • Smith, R.; Bettiga, L. (2001). Demonstration of vineyard floor management alternatives. Central Coast Vineyard News. November 2001.
  • Smith, R.; Bettiga, L. (2001). Demonstration of vineyard floor management alternatives. Department of Pesticide Regulation Reduced-Risk Pest Management Grant Bid No. 00-02. 2001.
  • Bettiga, L. (2001). Evaluation of Fungicide for Botrytis bunch rot control on grapevines -2001. UCCE Monterey County Research Report. 2.
  • Bettiga, L. (2001). Fungicide evaluation for grape powdery mildew control - 2001. UCCE Monterey County Research Report. 5.
  • Bettiga, L. (2001). Harvest Report 2000 - Monterey, San Benito and Santa Cruz Counties. Wines and Vines. 82:2, 28.
  • Bettiga, L. (2001). "The influence of rootstock on the performance of Chardonnay grapevines." American Society for Enology and Viticulture Technical Abstracts: 75.
  • Dokoozlian, N.; Bettiga, L. (2000). Alternative trellising systems for Chardonnay and Merlot in the central coast. American Vineyard Foundation/Viticulture Consortium Final Report.
  • Bettiga, L. (2000). Fungicide evaluation for grape powdery mildew control - 2000. UCCE Monterey County Research Report. 6.
  • Bettiga, L. (2000). Harvest Report 1999 - Monterey, San Benito and Santa Cruz Counties. Wines and Vines. 81:2, 27-28.
  • Bettiga, L. (2000). Vineyard Development. Varietal Winegrape Production Short Course Binder. UC Davis, UNEX Publication. 8.
  • Dokoozlian, N.; Bettiga, L. (1999). Canopy Management Update - 1999. Central Coast Winegrape Seminar Proceedings.
  • Bettiga, L. (1999). "Comparison of planting stock and vine shelter on the growth and productivity of Chardonnay grapevines during vineyard establishment." American Journal of Enology and Viticulture 50: 368.
  • Gubler, W.; Rolshausen, P.; Bostock, R.; Rizzo, D.; Labavitch, J.; Weber, E; Smith, R.; Verdegaal, P.; McGourty, G.; Elkins, R.; Ingels, C.; Bettiga, L. (1999). Control of Eutypa Dieback of Grape. University of California and American Vineyard Foundation Viticulture Consortium Annual Report. 36.
  • Bettiga, L. (1999). Evaluation of planting stock and vine shelters on the growth and productivity of Chardonnay grapevines during vineyard establishment. Central Coast Winegrape Seminar Proceedings.
  • Bettiga, L. (1999). Fungicide evaluation for grape powdery mildew control -1999. UCCE Monterey County Research Report. 7.
  • Bettiga, L. (1999). Fungicide evaluation for grape powdery mildew control -2001. UCCE Monterey County Research Report. 8.
  • Bettiga, L. (1999). Harvest 1998 - Monterey, San Benito and Santa Cruz Counties. Wines and Vines. 80:2, 23-24.
  • Christensen, L.; Bettiga, L.; Bianchi, M.; Littlefield, S. (1999). Improved tissue analysis methods for nitrogen assessment of wine grape cultivars. American Vineyard Foundation Final Report. 13.
  • Dokoozlian, N.; Bettiga, L. (1999). Influence of canopy density on the performance of vertically positioned grapevines in the central coast. American Vineyard Foundation Final Report.
  • Dokoozlian, N.; Bettiga, L.; Ebisuda, N.; DiGangi, S. (1999). "Influence of shoot thinning on the canopy density and productivity of Chardonnay grapevines in Salinas Valley of California." American Journal of Enology and Viticulture 50: 375.
  • Bettiga, L. (1999). Powdery mildew control for central coast vineyards. 1999 Central Coast Viticulture and Enology Issues Conference, CATI Publication.
  • Williams, L.; Bettiga, L.; Bianchi, M. (1999). Water use of winegrapes along the central coast of California - Validation of crop coefficients and regulated deficit irrigation factors developed in Napa Valley on Chardonnay. Central Coast Winegrape Seminar Proceedings.
  • Gubler, W.; Vasquez, S.; Luvisi, D.; Leavitt, G.; Bianchi, M.; Moratorio, M.; Weber, E; Bettiga, L.; Smith, R. (1998). Aetiology, epidemiology, and control of measles: Research in progress. Dinuba Table Grape Seminar.
  • Ackerman, D.; Bettiga, L.; Bianchi, M. (1998). "Central Coast Vineyard TEam Positive Point System." Practical Winery Vineyard 18(1): 12-24.
  • Bettiga, L. (1998). Evaluation of Fungicides for Botrytis bunch rot control on grapevines. UCCE Monterey County Research Report. 4.
  • Bettiga, L. (1998). Evaluation of rootstock performance for winegrape production. Central Coast Winegrape Seminar Proceedings.
  • Wolpert, J.; Walker, A.; Bettiga, L.; Bianchi, M.; Hirschfelt, D.; Ingels, C.; Leavitt, G.; Luvisi, D.; McGourty, G.; Weber, E (1998). Field Evaluation of Wine Grape Rootstocks: Final Report. American Vineyard Foundation Annual Report.
  • Bettiga, L. (1998). Fungicide evaluation for grape powdery mildew control. UCCE Monterey County Research Report. 11.
  • Bettiga, L. (1998). Harvest review for Monterey, San Benito and Santa Cruz Counties. Wines and Vines. 79:2, 26-27.
  • Christensen, L.; Bettiga, L.; Bianchi, M.; Littlefield, S. (1998). Improved tissue analysis methods for nitrogen assessment of wine grape cultivars. American Vineyard Foundation Final Report. 21.
  • Bettiga, L. (1998). Orange Tortrix on the central coast. Grape Grower. 30:2, 26-30.
  • Bettiga, L. (1998). Powdery mildew control for central coast vineyards. Central Coast Winegrape Seminar Proceedings.
  • Bettiga, L. (1998). Raspberry Fertilization. Central Coast Family Farm Report. January 1998.
  • Bettiga, L. (1997). Comparison of growth and productivity of dormant and green growing Chardonnay benchgrafts during vineyard establishment - Influence of growth tubes on first year growth. Central Coast Winegrape Seminar Proceedings.
  • Bettiga, L. (1997). Evaluation of Fungicides for Botrytis bunch rot control on grapevines -1997. UCCE Monterey County Research Report. 3.
  • Wolpert, J.; Walker, A.; Bettiga, L.; Bianchi, M.; Hirschfelt, D.; Ingels, C.; Leavitt, G.; Luvisi, D.; McGourty, G.; Weber, E (1997). Field Evaluation of Wine Grape Rootstocks: Final Report. American Vineyard Foundation Annual Report.
  • Bettiga, L. (1997). Fungicide evaluation for grape powdery mildew control. UCCE Monterey County Research Report. 8.
  • Bettiga, L. (1997). Harvest summary for Monterey, San Benito and Santa Cruz Counties. Wines and Vines. 78:2, 48.
  • Bettiga, L. (1997). Orange Tortrix. Central Coast Vineyard News. December 1997.
  • Bettiga, L.; Dokoozlian, N.; Williams, L. (1997). "Response of Chardonnay grapevines to windbreaks in the Salinas Valley." American Journal of Enology and Viticulture 48(3): 374.
  • Bettiga, L. (1997). Root rot concerns of raspberries. Central Coast Family Farm Report. February 1997.
  • Bettiga, L. (1997). Winegrape harvest could make the record books. The Salinas Californian. November 10, 1997.
  • Bettiga, L. (1996). Demand for varietal wines keeps local vintners busy. The Californian. November 4, 1996.
  • Christensen, L.; Bettiga, L.; Bianchi, M. (1996). Effects of rootstock on grapevine mineral nutrition in the central coast. American Vineyard Foundation Annual Report. 16.
  • Bettiga, L. (1996). Evaluation of Fungicide for Botrytis bunch rot control on grapevines. UCCE Monterey County Research Report. 3.
  • Wolpert, J.; Bettiga, L. (1996). Field Evaluation of Winegrape Rootstocks. American Vineyard Foundation Annual Report.
  • Dokoozlian, N.; Moriyama, M.; Bettiga, L. (1996). "Forecasting winegrape yieldes using a phenology model: A progress report." American Journal of Enology and Viticulture 47: 359.
  • Bettiga, L. (1996). Fungicide evaluation for grape powdery mildew control. UCCE Monterey County Research Report. 8.
  • Bettiga, L. (1996). Harvest summary for Monterey, Santa Cruz and San Benito Counties. Wines and Vines. 77, 25-26.
  • Dokoozlian, N.; Bettiga, L.; Williams, L. (1996). Improving the accurancy of winegrape yield forecasts: A progress report. Central Coast Winegrape Seminar.
  • Bettiga, L. (1996). More evidence that wine can have health benefits. The Monterey County Herald. January 19, 1996.
  • Bettiga, L.; Dokoozlian, N.; Williams, L. (1996). The Response of Chardonnay grapevines to wind in the Salinas Valley - A five-year summary. Central Coast Winegrape Seminar Proceedings.
  • Dokoozlian, N.; Bettiga, L.; Williams, L. (1996). The Response of Chardonnay grapevines to windbreaks in the Salinas Valley. American Vineyard Foundation.
  • Christensen, L.; Bettiga, L.; Bianchi, M. (1995). Effects of rootstock on grapevine mineral nutrition in the central coast. American Vineyard Foundation Annual Report. 10.
  • Bettiga, L. (1995). Evaluation of rootstock performance for winegrape production. Central Coast Winegrape Seminar.
  • Wolpert, J.; Bettiga, L. (1995). Field Evaluation of Winegrape Rootstocks. American Vineyard Foundation Annual Report.
  • Bettiga, L. (1995). Harvest summary for Monterey, Santa Cruz and San Benito Counties. Wines and Vines. 76:2.
  • Dokoozlian, N.; Bettiga, L.; Williams, L. (1995). Influence of windbreaks on the vegetative reproductive growth of Chardonnay grapevines in the Salinas Valley. American Vineyard Foundation Final Report.
  • Bettiga, L. (1995). Monterey, Santa Cruz Counties Grow 99% of State's Raspberries. The Monterey County Herald. August 4, 1995.
  • Bettiga, L. (1995). Root Rots of Raspberry. Central Coast Family Farm Report. December 1995.
  • Bettiga, L.; Agamalian, H. (1995). Selecting Cover Crops for Central Coast Vineyards. Paso Robles Wine Country News. 10:7, 3-4.
  • Bettiga, L. (1995). Wine Labels Help Consumers Make Informed Choices. The Monterey County Herald. November 10, 1995.
  • Walker, A.; Wolpert, J.; Weber, E.; Smith, R.; Bettiga, L. (1994). Breeding rootstocks for California’s current and impending viticultural problems. Grape Grower. 26:4, 11-18.
  • Bettiga, L. (1994). "Comparison of growth and yield of green-growing and dormant Chardonnay benchgrafts during vineyard establishment." American Journal of Enology and Viticulture 45: 362.
  • Bettiga, L. (1994). "Comparison of planting stock and vine shelter on the growth and productivity of Chardonnay grapevines during vineyard establishment." American Journal of Enology and Viticulture 50: 368.
  • Bettiga, L. (1994). Evaluation of fatty acids for control of grape powdery mildew. Central Coast Winegrape Seminar, University of California Cooperative Extension.
  • Bettiga, L. (1994). Evaluation of Fungicides for Botrytis bunch rot control on grapevines. UCCE Monterey County Research Report. 4.
  • Wolpert, J.; Bettiga, L. (1994). Field Evaluation of Winegrape Rootstocks. American Vineyard Foundation Annual Report.
  • Bettiga, L. (1994). Fungicide evaluation for grape powdery mildew control. UCCE Monterey County Research Report. 7.
  • Bettiga, L. (1994). Fungicide evaluation for grape powdery mildew control. UCCE Monterey County Research Report. 10.
  • Bettiga, L. (1994). Fungicide evaluation for grape powdery mildew control. Central Coast Winegrape Seminar, University of California Cooperative Extension, Monterey County.
  • Bettiga, L. (1994). Grape Phylloxera Aphid Has Roots in Colonial Time. The Salinas Californian. February 24, 1994.
  • Dokoozlian, N.; Bettiga, L.; Williams, L. (1994). Influence of windbreaks on the vegetative and reproductive growth of Chardonnay grapevines in the Salinas Valley. Central Coast Winegrape Seminar.
  • Wolpert, J.; Walker, A.; Weber, E; Bettiga, L.; Smith, R.; Verdegaal, P. (1994). Rootstocks and Phylloxera: A status report for Coastal and Northern California. Viticulture Notes. Napa County, University of California Cooperative Extension. 1-17.
  • Bettiga, L.; Agamalian, H. (1994). Selecting Cover Crops for Central Coast Vineyards. Central Coast Vineyard News. October 1994.
  • Bettiga, L. (1994). 'Terrior' Has Much To Do With Quality of Wine. The Monterey County Herald. May 13, 1993.
  • Bettiga, L. (1994). The nations vineyards in 1993 - Monterey, San Benito and Santa Cruz Counties. Wines and Vines. 75:2, 18.
  • Bettiga, L. (1994). Understanding powdery mildew life cycle and fungicide activity is the key to successful disease control. Farm Focus. 11:5, 13.
  • Bettiga, L. (1994). Understanding the Basics: A Key to Successful Powdery Mildew Control. Central Coast Vineyard News. June 1994.
  • Wolpert, J.; Walker, A.; Weber, E; Bettiga, L.; Smith, R.; Verdegaal, P. (1994). Use of phylloxera-resistant rootstocks in California: past, present and future. Part I. Grape Grower. 26:1, 16-19.
  • Wolpert, J.; Walker, A.; Weber, E.; Bettiga, L.; Smith, R.; Verdegaal, P. (1994). Use of phylloxera-resistant rootstocks in California: past, present and future. Part II. Grape Grower. 26:2, 4-7.
  • Wolpert, J.; Walker, A.; Weber, E.; Bettiga, L.; Smith, R.; Verdegaal, P. (1994). Use of phylloxera-resistant rootstocks in California: past, present and future. Part III. Grape Grower. 26:3, 10-17.
  • Bettiga, L. (1993). California is Top Banana in U.S. Fruit Crop Production. The Salinas Californian. August 28, 1993.
  • Bettiga, L. (1993). County's Wine Industry Dates From the 60's. The Monterey County Herald. August 22, 1993.
  • Bettiga, L. (1993). Evaluation of fatty acids for the control of grape powdery mildew. UCCE Monterey County Research Report. 6.
  • Wolpert, J.; Kasimatis, A.; Walker, A.; Weber, E.; Smith, R.; Verdegal, P.; Bettiga, L. (1993). Evaluation of winegrape clones. Recent Advances in Viticulture and Enology, UC Davis.
  • Bettiga, L. (1993). Exploring 'French Paradox' and Benefits of Drinking Wine. The Salinas Californian. June 12, 1993.
  • Wolpert, J.; Bettiga, L. (1993). Field Evaluation of Winegrape Rootstocks. American Vineyard Foundation Annual Report.
  • Bettiga, L. (1993). Fungicide evaluation for grape powdery mildew control. UCCE Monterey County Research Report. 5.
  • Dokoozlian, N.; Bettiga, L.; Williams, L. (1993). Response of Chardonnay Grapevines in the Salinas Valley to Windbreaks. Recent Advances in Viticulture and Enology (RAVE), UC Davis.
  • Williams, L.; Dokoozlian, N.; Bettiga, L. (1993). Response of Chardonnay grapevines in the Salinas Valley to windbreaks: Effects on vine physiology. American Vineyard Foundation Report.
  • Bettiga, L. (1993). Rootstock evaluation for Monterey County vineyards. Farm Focus. 11:2, 15-16.
  • Bettiga, L. (1993). The evaluation of grape rootstocks for central coast vineyards. Central Coast Winegrape Seminar, Monterey County, University of California Cooperative Extension.
  • Bettiga, L. (1993). The nations vineyards in 1992 - Monterey, San Benito and Santa Cruz Counties. Wines and Vines. 74:2, 18.
  • Bettiga, L. (1993). There's More to a Wine Label Than Meets The Eye. The Salinas Californian. November 11, 1993.
  • Bettiga, L. (1992). Evaluation of ASC-66824 for the control of grape phylloxera. UCCE Monterey County Research Report. 2.
  • Bettiga, L. (1992). Evaluation of fungicides for powdery mildew control - 1992. UCCE Monterey County Research Report. 5.
  • Bettiga, L. (1992). Evaluation of oils on early season powdery mildew control - 1992. UCCE Monterey County Research Report. 3.
  • Wolpert, J.; Bettiga, L. (1992). Field Evaluation of Winegrape Rootstocks. American Vineyard Foundation Annual Report.
  • Bettiga, L. (1992). Rootstock battle continues throughout California - central coast report. Grape Grower. 24:9, 13.
  • Bettiga, L. (1992). "The influence of rootstock on the growth and yield characteristics of Chenin blanc grapevines." American Journal of Enology and Viticulture 43: 308.
  • Bettiga, L. (1992). The nation's vineyards in 1991 - Monterey and San Benito Counties. Wines and Vines. 73:2, 25.
  • Bettiga, L.; Dokoozlian, N.; Williams, L. (1992). The response of Chardonnay grapevines in the Salinas Valley to windbreaks. Central Coast Winegrape Seminar, Monterey County, University of California Cooperative Extension.
  • Bettiga, L. (1992). Winegrape rootstock selection. Grape Grower. 27:7, 18-19.
  • Bettiga, L. (1991). Comparison of vertical trellises for Chardonnay - 1991. UCCE Monterey County Research Report. 3.
  • Bettiga, L. (1991). Evaluation of fungicides for Botrytis bunch rot control of grapevines - 1991. UCCE Monterey County Research Report. 3.
  • Bettiga, L. (1991). Evaluation of fungicides for powdery mildew control - 1991. UCCE Monterey County Research Report. 7.
  • Bettiga, L. (1991). Evaluation of phylloxera resistant grape rootstocks -1991. UCCE Monterey County Research Report. 3.
  • Bettiga, L. (1991). The nation's vineyards in 1990 - Monterey and San Benito Counties. Wines and Vines. 72:2, 16.
  • Bettiga, L.; West, T. (1991). Tissue nitrogen in Pinot Noir grapevines as affected by nitrogen fertilization timing. International Symposium on Nitrogen in Grapes and Wine, American Society for Enology and Viticulture.
  • Thomas, C.; Gubler, W.; Bettiga, L. (1991). "Uncinula necator ascospore release, viability, and infection in field conditions in California." Phytopathology 81(10): 1182.
  • Bettiga, L. (1991). Vineyard development. Wine Grape Production Short Course. University of California, Davis. 9.
  • Bettiga, L. (1991). Vineyard spacing and trellising - principles and practice. Central Coast Winegrape Seminar, University of California Cooperative Extension.
  • Bettiga, L.; Gubler, W. (1990). Comparison of hand and machine leaf removal for Botrytis bunch rot control. Central Coast Wine Grape Seminar, University of California Cooperative Extension.
  • Gubler, W.; Bettiga, L. (1990). Comparison of hand and machine leaf removal of grapevines for the control of Botrytis bunch rot control. American Society for Enology and Viticulture Technical Abstracts. 22.
  • Bettiga, L. (1990). Comparison of vertical trellises for Chardonnay - 1990. UCCE Monterey County Research Report. 2.
  • Gubler, W.; Bettiga, L.; Foott, J. (1990). Control of grapevine powdery mildew wiht dormant and early season spray programs. Coachella Valley Table Grap Seminar.
  • Bettiga, L. (1990). Evaluation of fungicides for Botrytis bunch rot control of grapevines - 1990. UCCE Monterey County Research Report. 2.
  • Bettiga, L. (1990). Evaluation of fungicides for powdery mildew control - 1990. UCCE Monterey County Research Report. 4.
  • Bettiga, L.; Wolpert, J.; Walker, A. (1990). Evaluation of VR hybrid rootstocks - 1990. UCCE Monterey County Research Report. 2.
  • Gubler, W.; Quimette, P.; Bettiga, L.; Luvisi, D. (1990). Grapevine powdery mildew control: are the new SBI fungicides invincible? San Joaquin Valley Grape Symposium Proceedings.
  • Bettiga, L. (1990). Harvest - report Monterey and San Benito Counties. Wines and Vines. 71:2, 18.
  • Bettiga, L. (1990). Rootstock selection for Monterey County vineyards. Farm Focus. 11:2, 15-16.
  • Bettiga, L. (1990). Sample costs to establish and produce grapes in Monterey County. University of California Cooperative Extension, Monterey County Publication. 10.
  • Bettiga, L. (1990). Soil Salinity. Central Coast Vineyard News. November 1990.
  • Bettiga, L. (1989). 1988 in the vineyards. Wines and Vines. 70:2, 17.
  • Gubler, W.; Chellimi, D.; Bettiga, L.; Foott, J. (1989). Control of grapevines powdery mildew with dormant and early season spray programs. Central Coast Wine Grape Seminar, University of California Cooperative Extension.
  • Bettiga, L. (1989). Evaluation of fungicides for Botrytis bunch rot control of grapevines - 1989. UCCE Monterey County Research Report. 3.
  • Bettiga, L. (1989). Evaluation of fungicides for powdery mildew control - 1989. UCCE Monterey County Research Report. 3.
  • Bettiga, L. (1989). Evaluation of phylloxera resistant grape rootstocks. UCCE Monterey County Research Report. 3.
  • Bettiga, L.; Wolpert, J.; Walker, A. (1989). Evaluation of VR hybrid rootstocks - 1991. UCCE Monterey County Research Report. 2.
  • Bettiga, L. (1989). Rootstocks selection for Monterey County vineyards. Central Coast Wine Grape Seminar, University of California Cooperative Extension.
  • Bettiga, L. (1988). Coastal winegrape production - characteristics of some of the major varieties. University of California Cooperative Extension, Monterey County Publication.
  • Bettiga, L. (1988). Evaluation of fungicides for Botrytis bunch rot control of grapevines - 1988. UCCE Monterey County Research Report. 3.
  • Bettiga, L. (1988). Evaluation of fungicides for powdery mildew control - 1988. UCCE Monterey County Research Report. 3.
  • Bettiga, L. (1988). Evaluation of phylloxera resistant grape rootstocks. UCCE Monterey County Research Report. 4.
  • Stapleton, J.; Gubler, W.; Fogle, D.; Chellimi, D.; Bettiga, L.; Leavitt, G.; Verdegaal, P.; Smith, R.; Kelley, K. (1988). "Relationships among climate, primary inoculum source, dormant and post-emergence control sprays and grape powdery mildew in California." Phytopathology 78: 1531.
  • Bettiga, L.; West, T. (1988). The effect of time of leaf removal on Botrytis bunch rot control and fruitfulness of White Riesling grapevines. American Society for Enology and Viticulture Technical Abstracts. 6.
  • Bettiga, L. (1988). The nation's vineyard year - Monterey and San Benito Counties. Wines and Vines. 69:2, 20.
  • Bettiga, L. (1988). Update on VR Hybrid Rootstocks. Central Coast Vineyard News. March 1988.
  • Bettiga, L. (1987). Charting the 1986 vineyard year - Monterey County. Wines and Vines. 68:2, 29.
  • Bettiga, L. (1987). Chemical frost protection - 1987. UCCE Monterey County Research Report. 2.
  • Bettiga, L.; Gubler, W.; Marois, J. (1987). Control of Botrytis bunch rot through canopy management. Central Coast Winegrape Seminar, University of California Cooperative Extension.
  • Bettiga, L. (1987). Evaluation of Bayleton for powdery mildew control -1987. UCCE Monterey County Research Report. 3.
  • Bettiga, L. (1987). Evaluation of fungicides for Botrytis bunch rot control of grapevines -1987. UCCE Monterey County Research Report. 3.
  • Bettiga, L. (1987). Evaluation of fungicides for powdery mildew control - 1987. UCCE Monterey County Research Report. 4.
  • Bettiga, L. (1987). Evaluation of RH-3486 for Botrytis bunch rot control of grapevines -1987. UCCE Monterey County Research Report. 3.
  • Bettiga, L. (1987). Grapevine canopy management. Winegrape Production Short Course Binder. UNEX, Davis. 5.
  • Bettiga, L. (1987). Nitrogen Fertilization Timing - 1987. UCCE Monterey County Research Report. 5.
  • Bettiga, L. (1987). Orange Tortrix Monitoring Guidelines. Central Coast Vineyard News. December 1987.
  • Bettiga, L. (1987). Powdery Mildew. Central Coast Vineyard News. February 1987.
  • Bettiga, L. (1987). Powdery mildew on grapes. Farm Focus. 5:1, 15.
  • Andris, H.; Jensen, F.; Christensen, L.; Bettiga, L.; Smith, R.; Bianchi, M. (1987). The effect of fruit maturity and drying method on Thompson Seedless raisin characteristics and airstream sorter grades. San Joaquin Valley Grape Symposium Proceedings.
  • Jensen, F.; Smith, R.; Bettiga, L. (1987). The effects of time of pruning on yields and maturity of wine varieties. San Joaquin Valley Grape Symposium Proceedings.
  • Bettiga, L. (1986). A review of the 1985 U.S. vintage - Monterey County. Wines and Vines. 67:2, 33.
  • Agamalian, H.; Bettiga, L. (1986). Chemical trunk shoot control. Central Coast Winegrape Seminar, University of California Cooperative Extension.
  • Gubler, W.; Marois, J.; Bettiga, L. (1986). Control of Botrytis bunch rot through canopy management. Central Coast Winegrape Seminar, University of California Cooperative Extension.
  • Gubler, W.; Marois, J.; Bettiga, L. (1986). "Control of Botrytis bunch rot through canopy management." Phytopathology 76: 1064.
  • Bettiga, L.; Fellows, T. (1986). Evaluation of fungicides for control of powdery mildew. Central Coast Winegrape Seminar, University of California Cooperative Extension.
  • Bettiga, L. (1986). Evaluation of fungicides for powdery mildew control -1986. UCCE Monterey County Research Report. 4.
  • Bettiga, L. (1986). Evaluation of RH-3486 for Botrytis bunch rot control - 1986. UCCE Monterey County Research Report. 3.
  • Bettiga, L. (1986). Evaluation of Rovral and Dithane for Botrytis bunch rot control of grapevines - 1986. UCCE Monterey County Research Report. 3.
  • Bettiga, L. (1986). New UC Fanleaf Resistant Rootstock Varieties Ready for Release. Central Coast Vineyard News. November 1986.
  • Bettiga, L. (1986). The effect of hydrogen cyanamide on bud break emergence of Cabernet Sauvignon. UCCE Monterey County Research Report. 5.
  • Jensen, F.; Bettiga, L.; Smith, R. (1986). The effects of minimal, mechanical, and hand pruning of French Colombard. San Joaquin Valley Grape Symposium Proceedings, University of California Cooperative Extension.
  • Bettiga, L.; Jensen, F. (1985). A comparison of training methods to control growth of vigorous French Colombard. American Society for Enology and Viticulture Technical Abstracts. 21.
  • Jensen, F.; Bettiga, L. (1985). Crop reduction of wine varieties and Thompson Seedless with ethephon. San Joaquin Valley Grape Symposium Proceedings, University of California Cooperative Extension.
  • Bettiga, L.; Fellows, T. (1985). Evaluation of CGA-449 for Botrytis bunch rot control of grapevines. UCCE Monterey County Research Report. 3.
  • Bettiga, L.; Fellows, T. (1985). Evaluation of fungicides for powdery mildew control on Cabernet Sauvignon -198. UCCE Monterey County Research Report. 3.
  • Bettiga, L.; Fellows, T. (1985). The effect of hydrogen cyanamide on bud break emergence of Chardonnay and Cabernet Sauvignon. UCCE Monterey County Research Report. 13.
  • Jensen, F.; Bettiga, L. (1984). A comparison of methods of training to control growth of vigorous French Colombard. San Joaquin Valley Grape Symposium Proceedings.
  • Bettiga, L.; Jensen, F. (1984). Crop removal of six wine varieties with ethephon. San Joaquin Valley Grape Symposium Proceedings.
  • Bettiga, L.; Jensen, F. (1984). Crop removal of six winegrape varieties with ethephon. American Society for Enology and Viticulture Technical Abstracts. 12.
  • Luvisi, D.; Jensen, F.; Bettiga, L. (1984). Cultural practices for Centennial and Dawn Seedless. Table Grape Seminar Proceedings.
  • Jensen, F.; Christensen, L.; Bettiga, L. (1984). Defoliation of grapevines with ammonium nitrate sprays. Table Grape Seminar Proceedings.
  • Jensen, F.; Bettiga, L. (1984). The effect of hydrogen cyanamide on budbreak of Thompson Seedless, Emperor, and French Colombard. Bud Dormancy in Grapevines: Potential and Practical Uses of Hydrogen Cyanamide on Grapevines.
  • Jensen, F.; Beede, B.; Andris, H.; Bettiga, L. (1984). The effects of row spacing and trellis on yield of three wine varieties. American Society for Enology and Viticulture Technical Abstracts. 5.
  • Jensen, F.; Bettiga, L. (1984). The influence of time of girdling Thompson Seedless. Table Grape Seminar Proceedings.
  • Bettiga, L. (1983). Effect of stage of prebloom operations on the yield and fruit characteristics of Cardinal and Ribier table grapes. Thesis. California State University, Fresno. M.S.
  • Luvisi, D.; Jensen, F.; Bettiga, L. (1983). The effect of post-bloom gibberellin, girdling and ethephon and Flame Seedless. Table Grape Seminar Proceedings.
  • Jensen, F.; Bettiga, L.; Beede, B. (1983). The effect of pre-bloom treatment of Cardinal and Ribier on yields and fruit characteristics. Table Grape Seminar Proceedings.
  • Jensen, F.; Andris, H.; Beede, B.; Bettiga, L. (1983). The effect of spacing variety and trellis on yields of three wine varieties. San Joaquin Valley Grape Symposium Proceedings.
  • Jensen, F.; Leavitt, G.; Beede, B.; Bettiga, L. (1983). The effect of time of harvest on yield of four wine varieties. San Joaquin Valley Grape Symposium Proceedings.
  • Flaherty, D.; Peacock, W.; Bettiga, L.; Leavitt, G. (1982). Problems with chemical control of grape mealybug. Table Grape Seminar Proceedings.
  • Jensen, F.; Christensen, L.; Beede, B.; Leavitt, G.; Bettiga, L. (1982). The effect of mechanical pre-pruning on yield and quality of wine grapes over a three-year period. San Joaquin Valley Grape Symposium Proceedings.
  • Jensen, F.; Andris, H.; Bettiga, L. (1982). The effects of drying method and fruit maturity in the range of 15 to 24 Brix on airstream grades and raisin characteristics of 'Thompson Seedless'. Raisin Research Reports. Fresno, California Raisin Advisory Board. 1:5, 8-9.
  • Jensen, F.; Luvisi, D.; Beede, B.; Peacock, W.; Bettiga, L. (1982). The shatter problems in Thompson Seedless table grapes. Table Grape Seminar Proceedings.
  • Leavitt, G.; Jensen, F.; Bettiga, L. (1982). Time of harvest and its effect on yield of Chenin blanc, Carignane and Grenache. San Joaquin Valley Grape Symposium Proceedings.
  • Sibbett, G.; Bettiga, L.; Bailey, M. (1981). Impact of summer infestation of walnut aphid on quality. Sun-Diamond Grower. 1:5, 8-9.
  • Sibbett, G.; Bettiga, L. (1980). Effects of midsummer walnut aphid infestations on walnut quality. Walnut Research Reports. Walnut Marketing Board.
  • Sibbett, G.; Bettiga, L. (1980). Effects walnut scale on walnut kernel quality. Walnut Research Reports. Walnut Marketing Board.
  • Sibbett, G.; Bettiga, L. (1979). Codling moth control. Walnut Research Reports. Walnut Marketing Board.
  • Sibbett, G.; Bettiga, L. (1979). Codling moth pheromone trapping studies. Walnut Research Reports. Walnut Marketing Board.
  • Sibbett, G.; Bettiga, L. (1979). Walnut aphid. Walnut Research Reports. Walnut Marketing Board.

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