Shimat Villanassery Joseph Ph.D.
1432 Abbott Street
Salinas, CA 93901
Santa Cruz County
San Benito County
My research addresses existing and emerging pest management issues for economically important crops in the Salinas Valley along the principles of applied insect ecology. Research projects are aimed at enhancing our understanding of biology of pest and beneficial species to develop and refine monitoring and management strategies. Major thrust is given to develop management tactics that would reduce the impact on environment and non-targets. My extension program promotes the adoption of integrated pest management driven by lab and field data that base on the occurrence and relative abundance of major pest species of vegetables and berries, and efficacy, timing and application method of insecticides on these pests. Also, my program provides diagnosis of pest problems and timely updates on the invasive pests threatening the Salinas Valley agriculture through blog, facebook, newsletter, bulletin and other media and trade Journals.
Areas of Expertise (click to see all ANR academics with this expertise)
- Cole Crops - General
- Insects, Mites, and Other Arthropods Affecting Plants
- Biological Control of Pests Affecting Plants
- Integrated Pest Management Systems
- Beneficial Insects
- Natural Resources and Environment
- Endemic Species
Mayfield, A., B. C Reynolds, C. I. Coots, N. P. Havill, C. Brownie, A. R. Tait, J. L. Hanula, S. V. Joseph, and A. B. Galloway. 2015. Establishment, hybridization and impact of Laricobius predators on insecticide-treated hemlocks: exploring integrated management of the hemlock woolly adelgid. Forest Ecology and Management. 335: 1-10.
Joseph, S. V., C. Bettiga, C. Ramirez, and F. N. Soto-Adames. 2015. Evidence of Protaphorura fimata (Collembola: Poduromorpha: Onychiuridae) feeding on germinating lettuce in the Salinas Valley of California. J. Econ. Entomol. (PDF)
Joseph, S. V., M. Nita, T. C. Leskey, and J. C. Bergh. 2015. Temporal Effects on the Incidence and Severity of Brown Marmorated Stink Bug (Hemiptera: Pentatomidae) Feeding Injury to Peaches and Apples during the Fruiting Period in Virginia. J. Econ. Entomol. (PDF).
Joseph, S. V. and J. Martinez. 2014. Incidence of cabbage maggot (Diptera: Anthomyiidae) infestation and plant damage in seeded brassica fields in California's central coast. Crop Protection 62:72-78. (PDF)
Joseph, S. V. 2014. Effect of trap color in capture of bagrada bug, Bagrada hillaris (Hemiptera: Pentatomidae). J. Entomol. Sci. 49(3): 318-321 (PDF)
Joseph, S. V., J. Stallings, T. C. Leskey, G. Krawczyk, D. Polk, B. Butler, and J. C. Bergh. 2014. Spatial distribution of brown marmorated stink bug (Hemiptera: Pentatomidae) injury at harvest in Mid-Atlantic apple orchards. J. Econ. Entomol. 107: 1839-1848.
Zalom, F. G., M. P. Bolda, S. K. Dara, and S. Joseph. 2014. Strawberry: Spider mite. UC IPM Pest Management Guidelines." UC ANR Publication 3468.
Abraham, C., S. Brannon, S. V. Joseph, S. Nair, and C. Scocco. 2013. Biological control of insects has no deleterious impacts on human health and agricultural food crops, while providing solutions to insect pest problems, and should not be discontinued. American Entomologist 59: 119.
Lee, D., B. Short, S. V. Joseph, J. C. Bergh, and T. C. Leskey. 2013. Biology, ecology and management of Halyomorpha halys (Stål) (Hemiptera: Pentatomidae) in Asia. Environ. Entomol. 42: 627-641. (PDF).
Joseph, S. V., J. C. Bergh, S. E. Wright, and T. C.Leskey. 2013. Factors affecting captures of brown marmorated stink bug, Halyomorpha halys (Hemiptera: Pentatomidae) in baited pyramid traps. J. Entomol. Sci. 48: 43-51. (PDF)
Zalom, F. G., M. P. Bolda, P. A, ePhillips, and S. Joseph. 2013. Strawberry: Leafrollers. UC IPM Pest Management Guidelines: Strawberry. UC ANR Publication (3468).
Gunter, C., S. V. Joseph, D. G. Riley, J. Walgenbach, and D. B. Langston. 2012. Host plant resistance to thrips-transmitted Tomato spotted wilt virus (Bunyaviridae: Tospovirus) in pepper. Subtropical Plant Science 64: 1-12.
Joseph, S. V., and S. K. Braman. 2012. Influence of turf taxa and insecticide type on survival of Geocoris spp. (Hemiptera: Geocoridae). J. Entomol. Sci. 47: 227-237.
Riley, D. G., S. V. Joseph, and R. Srinivasan. 2012. Reflective mulch and acibenzolar-S-methyl treatments relative to thrips (Thysanoptera: Thripidae) and Tomato spotted wilt virus incidence in tomato. J. Econ. Entomol. 105: 1302-1310.
Riley, D. G., S. V. Joseph, and R. Srinivasan. 2012. Temporal relationship of thrips populations to tomato spotted wilt incidence in tomato in the field. J. Entomol. Sci. 47: 65-75.
Joseph, S. V., J. L. Hanula, and S. K. Braman. 2011. Distribution and abundance of Adelges tsugae (Adelgidae) within hemlock crown. J. Econ. Entomol. 104: 1918–1927.
Joseph, S. V., J. L. Hanula, S. K. Braman, and F. J. Byrne, 2011. Effects of fertilizer and low rates of imidacloprid on Adelges tsugae (Hemiptera: Adelgidae). J. Econ. Entomol. 104: 868–878.
Joseph, S. V., S. K. Braman, and J. L. Hanula. 2011. Effects of fertilizer on the four hemlock species resistance to Adelges tsugae (Adelgidae) and influence on predators. J. Econ. Entomol. 104: 288–298.
Riley, D. G., S. V. Joseph, W. T. Kelley, S. Olson, and J. Scott. 2011. Host plant resistance to Tomato spotted wilt virus (Bunyaviridae: Tospovirus) in tomato. HortScience 46: 1626–1633.
Joseph, S. V., and S. K. Braman. 2011. Occurrence of hymenopteran parasitoids in residential turfgrass in central Georgia. J. Entomol. Sci. 46: 1–13.
Joseph, S. V., A. E. Mayfield III, M. Dulusky, C. Asaro, and C. W. Berisford. 2011. Phenology of the hemlock woolly adelgid (Hemiptera: Adelgidae) in northern Georgia. J. Entomol. Sci. 46: 315–324.
Joseph, S. V., S. K. Braman, and J. L. Hanula. 2011. The range and response of neonicotinoids on hemlock woolly adelgid, Adelges tsugae (Hemiptera: Adelgidae). J. Environ. Hort. 29: 197–204.
Riley, D. G., S. V. Joseph, R. Srinivasan, and S. Diffie. 2011. Thrips vectors of Tospoviruses. J. Integ. Pest Mngmt. 1(2) DOI: 10.1603/IPM10020.
Fuest, J., S. Nair, K. Reddy, and S. V. Joseph. 2010. Current evaluation of genetically modified organisms (GMO’s) is adequate for human health and environmental. American Entomologist 56 (111).
Joseph, S. V., and S. K. Braman. 2009b. Predatory potential of Geocoris spp. and Orius insidiosus (Say) on fall armyworm in resistant and susceptible turf. J. Econ. Entomol. 102: 1151–1156.
Joseph, S. V., and S. K. Braman. 2009a. Influence of plant parameters on occurrence and abundance of arthropods in residential turfgrass. J. Econ. Entomol. 102: 1116–1122.
Joseph, S. V. 2014. Bagrada bug monitoring: Does trap color influence bug captures? Salinas Valley Agriculture. August. (BLOG POST)
Joseph, S. V. 2014. Cabbage maggot attack: Studies show outbreaks relative to broccoli plant development. Vegetable West. June: 14-15. (PDF)
Joseph, S. V. 2014. Comparing alternative methods of insecticide application for cabbage maggot management in transplanted-broccoli. CAPCA Advisor. April. Vol. XVII, No. 2: 46-48.
Joseph, S. V. 2014. Effects of delayed basal spray and seedling tray drench applications on cabbage maggot suppression in seeded broccoli. CAPCA Advisor. XVII, No. 3: 38-40.
Joseph, S. V. 2014. Effects of organic insecticides on incidence of bagrada bug feeding injury in mizuna and arugula. Salinas Valley Agriculture. (BLOG POST).
Joseph, S. V. 2014. Efficacy of at-planting and basal applications of insecticides on cabbage maggot in seeded-broccoli. New letter – UCCE. Monterey County. January/February: 10-13.
Joseph, S. V. 2014. Efficacy of insecticides for thrips management in leafy lettuce. CAPCA Advisor. April. Vol. XVII, No. 2: 38-40.
Joseph, S. V. 2014. Invasive stink bugs challenge western grower. American Vegetable Grower. October: 30.
Joseph, S. V., and M. Bolda. 2014. Monitoring for brown marmorated stink bug incidence in the central coast areas. Vegetable West. Feb.: 18-19. (PDF)
Joseph, S. V. 2014. Outbreak of Foxglove Aphid on Lettuce in the Salinas Valley. Salinas Valley Agriculture August. (BLOG POST).
Joseph, S. V. 2014. Pest battlefield shifts to soil. American Vegetable Grower. April: 40-41.
Joseph, S. V. 2013. Emergence of springtails as insect pest in Salinas Valley. Vegetable West. May: 12. (PDF)
Joseph, S. V. 2013. Recent detection of bagrada bug in the south of Salinas Valley. Salinas Valley Agriculture Sept. (BLOG POST)