Farm Advisor-Viticulture
UC Cooperative Extension1710 Soscol Avenue
Suite 4
Napa, CA 94559-1315
(707) 253-4221
mlycooper@ucanr.edu
Education
DPM Plant Health/Pest Management, University of Florida. 2006
B.S. Biology, Washington and Lee University. 1996
Discipline
ViticultureSpecialty
Viticulture and Pest ManagementAreas of Expertise (click to see all ANR academics with this expertise)
- Wine Grapes
- Plants and Their Systems
- Plant Management Systems
- Insects, Mites, and Other Arthropods Affecting Plants
- Pathogens and Nematodes Affecting Plants
- Biological Control of Pests Affecting Plants
- Integrated Pest Management Systems
- Natural Resources and Environment
- Conservation and Efficient Use of Water
- Sociological and Technological Change Affecting Individuals, Families, and Communities
- Spanish
- Dafis User
Bibliography
Peer Reviewed
- Daane, KM; Yokota, GY, et al. (2020). Development of a mating disruption program for a mealybug, Planococcus ficus, in vineyards. Insects. 11, 635.
- Cooper, M.L.; Hobbs, M.B., et al. (2020). Grape erineum mite: post-harvest sulfur applications reduce leaf blistering in the subsequent growing season. California Agriculture. 74, 94-100.
- Girardello, RC; Cooper, ML, et al. (2020). Impact of grapevine red blotch disease on Cabernet Sauvignon and Merlot wine composition and sensory attributes. Molecules. 25, 3299.
- Hobbs, M; Klachky, E, et al. (2020). Job satisfaction assessments of agricultural workers help employers improve the work environment and reduce turnover. California Agriculture. 74:1, 30-39.
- Hobbs, M.B.; Herrero, T., et al. (2020). Leveraging pay and benefits as workerforce retention strategies: insights from a case study of Napa vineyard workers. Catalyst. 4, 33-38.
- Schartel, TE; Cooper, ML, et al. (2020). Quantifying vine mealybug (Planococcus ficus Signoret) invasion in northern California vineyards to inform management strategy. Environmental Entomology.
- Blaisdell, G.K.; Zhuang, S., et al. (2020). Trends in vector-borne transmission from co-infected hosts: Grapevine leafroll-associated virus 3 and Grapevine virus A. European Journal Plant Pathology.
- Cooper, ML; Hobbs, MB, et al. (2019). Argentine ant management: using toxin- laced polyacrylamide crystals to target ant colonies in vineyards. Catalyst. 3, 23-30.
- Martínez-Lüscher, J; Plank, CM, et al. (2019). Grapevine red blotch virus may reduce carbon translocation leading to impaired grape berry ripening. J. Agricultural and Food Chemistry. 67, 2437-2448.
- Girardello, RC; Cooper, ML, et al. (2019). Impact of grapevine red blotch disease on grape composition of Vitis vinifera Cabernet Sauvignon, Merlot and Chardonnay. Journal of Agricultural and Food Chemistry. 67, 5496-5511.
- Schartel, TE; Bayles, BR, et al. (2019). Reconstructing the European grapevine moth (Lepidoptera: Tortricidae), invasion in California: insights from a successful eradication. Annals of the Entomological Society of America. 112, 107-117.
- Arnold, KL; McRoberts, N, et al. (2019). Virus surveys of commercial vineyards show value of planting certified vines. California Agriculture. 73, 90-95.
- Diaz-Lara, A.; Klaassen, V, et al. (2018). Characterization of grapevine leafroll-associated virus 3 variants and application towards RT-qPCR assay design. PLoS ONE. 13, e0208862.
- Cooper, ML; Daugherty, MP, et al. (2018). Incidence of grapevine leafroll disease: effects of grape mealybug abundance and pathogen supply. Journal of Economic Entomology. 111, 1542-1550.
- Ricketts, K.D.; Gomez, M.I., et al. (2017). Mitigating the impact of grapevine red blotch: Optimizing disease management strategies in U. S. vineyards. American Journal of Enology and Viticulture. 68, 127-135.
- Hobbs, M.B.; Cooper, M.L (2017). The changing gender diversity of the California vineyard labor force and the implications for grape production. Catalyst. 1, 99-102.
- Varela, L.G.; Cooper, M.L., et al. (2017). Update on Lobesia botrana program in California. IOBC-WPRS Bulletin. 128, 139-147.
- Herrbach, E.; Alliaume, A., et al. (2017). Vector transmission of grapevine leafroll-associated viruses. Grapevine viruses: molecular biology, diagnostics and management.M. B., M. G.P., G. D.A. and F. M.. Switzerland, Springer International Publishing. 483-503.
- Blaisdell, GK; Cooper, ML, et al. (2016). "Disease progression of vector-mediated Grapevine leafroll-associated virus 3 infection of mature plants under commercial vineyard conditions." European journal of plant pathology 146: 105-116.
- Kaplan, J; Travadon, R, et al. (2016). "Identifying economic hurdles to early adoption of preventative practices: the case of trunk diseases in California winegrape vineyards." Wine Economics and Policy 5: 127-141.
- MacDonald, S; Staid, M, et al. (2016). "Remote hyperspectral imaging of Grapevine leafroll-associated virus 3 in Cabernet Sauvignon vineyards." Computers and Electronics in Agriculture 130: 109-117.
- Blaisdell, GK; Zhang, S, et al. (2015). "Interactions within susceptible hosts drive differential transmission of genetically distinct pathogen variants." Journal of Economic Entomology 108(4): 1531-1539.
- Ricketts, KD; Gomez, MI, et al. (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.
- Sharma, AM; Baraff, B, et al. (2015). "Relative prevalence of grapevine leafroll-associated virus species in wine grape-growing regions of California." PLoSONE 10
- Cooper, ML; Varela, LG, et al. (2014). "A collaborative effort: grape growers, scientists and regulators respond to the European grapevine moth in California." California Agriculture 68(4): 125-133.
- Phillips, P. A.; Cooper, M. L., et al. (2014). Ants. Grape Pest Management.L. Bettiga. UC ANR publication 3343.: 324-331.
- Varela, L. G.; Cooper, M. L., et al. (2014). European grapevine moth. Grape Pest Management Manual.L. Bettiga. UC ANR publication 3343.: 346-351.
- Cooper, M. L.; Bettiga, L. J., et al. (2014). Guide to Vineyard Trunk Diseases. UC ANR and UC IPM.
- Varela, L. G.; Cooper, M. L., et al. (2013). Can European grapevine moth, Lobesia botrana (Lepidoptera: Tortricidae) be eradicated from California? IOBC: Working group on the integrated protection and production in viticulture; IOBC/WPRS Bulletin.
- Smith, R. J.; Cooper, M. L., et al. (2013). Determining the threat of dispersal of Lobesia botrana larvae in infested grapes processed for wine making. Practical Winery and Vineyard. 73. August.
- Almeida, R. P. P.; Daane, K. M., et al. (2013). "Ecology and management of grapevine leafroll disease." Frontiers in Microbiology 4: 94.
- Daane, K. M.; Wang, X., et al. (2013). "Low temperature storage effects on two olive fruit fly parasitoids." BioControl 58: 175-185.
- Van Steenwyk, R. A.; Varela, L. G., et al. (2013). Monitoring and Control of European grapevine moth, Lobesia botrana (Lepidoptera: Tortricidae) in California vineyards. IOBC: Working group on the integrated protection and production in viticulture; IOBC/WPRS Bulletin.
- Wunderlich, L. R.; Cooper, M. L., et al. (2013). "Seasonal biology of Ferrisia gill (Hemiptera: Pseudococcidae) in California Sierra foothill vineyards." Journal of Economic Entomology 106(4): 1716-1725.
- Gutierrez, A. P.; Ponti, L., et al. (2012). "Prospective analysis of the invasive potential of the European grapevine moth, Lobesia botrana (Den. and Schiff.) in California." Agricultural and Forest Entomology 14: 225-238.
- Lucchi, A.; Bagnoli, B., et al. (2012). The successful use of sex pheromones to monitor and disrupt mating of Lobesia botrana in California. IOBC Working group on pheromones and other semi-chemicals in integrated production.
Non-Peer Reviewed
- Cieniewicz, E; Martinson, T, et al. (2019). Studies on red blotch ecology inform disease management recommendations. Wine Business Monthly. March, 92-102.
- Moyer, M; Cooper, M, et al. (2019). What makes it a high pressure year for powdery mildew? Good Fruit Grower. November, 50-53.
- Putnam, J.; Cooper, M., et al. (2014). Best management practices for replanting. Napa Valley Grapegrowers. January.
- Varela, L. G.; Cooer, M. L. (2014). Grape erineum mite in North Coast vineyards. CAPCA Adviser. 34-38.
- Lance, D.; Simmons, G., et al. (2014). Report of the International Technical Working Group for the European grapevine moth program. October 22.
- Daane, K. M.; Almeida, R. P. P., et al. (2014). Vectors of grapevine leafroll-associated viruses: does the pathogen change insect pest management in the San Joaquin valley? San Joaquin Valley Table Grape Seminar.
- Cooper, M. L. (2014). Vintage report of the 2013 growing season. Wines and Vines. January.
- Mastro, V.; Lance, D., et al. (2013). Report of the Technical Working Group for the European grapevine moth program. September 27.
- Varela, L. G.; Cooper, M. L., et al. (2013). Trapping for European grapevine moth. CAPCA Adviser. XVI:3, 20-25.
- Daugherty, M. P.; Gruber, B. R., et al. (2012). "Testing the efficacy of barrier plantings for limiting sharpshooter spread." American Journal of Enology and Viticulture 63(1): 139-143.
- Smith, R. J.; Varela, L. G., et al. (2011). "An Investigation of the Fate of Lobesia botrana (Lepidoptera: Tortricidae) in Infested Clusters Processed for Winemaking." American Journal of Enology and Viticulture 62(3): 409a-409a.
- Daane, K. M.; Middleton, M. C., et al. (2011). "Development of a Multiplex PCR for Identification of Vineyard Mealybugs." Environmental Entomology 40(6): 1595-1603.
- Bettiga, L. J.; Smith, R. J., et al. (2011). European grapevine moth, Lobesia botrana. UC ANR. poster with English and Spanish text. 2011.
- UC ANR (2011). European grapevine moth, Lobesia botrana. UC ANR. 2011.
- Varela, L. G.; Cooper, M. L. (2011). European grapevine moth: Continued monitoring is critical. Napa Valley Grapegrowers newsletter: Premium Grower. 2011.
- Varela, L. G.; Cooper, M. L. (2011). European grapevine moth: Continued monitoring is critical. Napa County Farm Bureau Newsletter: Grower Advocate. 2011.
- Cooper, M. L.; Smith, R. J., et al. (2011). "European grapevine moth: Napa County experience and lessons learned in 2010." Practical Winery and Vineyard: 58-61.
- UC ANR (2011). Guide to moths and worms in grapevine clusters in California. UC ANR. 2011.
- Wistrom, C. M..; Kassir, K., et al. (2011). Mealybug pests and an emerging viral disease: Vector ecology and their role in grape leafroll associated virus epidemiology. 2010 Annual Report. American Viticulture Foundation. 12. 2011.
- Daane, K. M.; Almeida, R. P. P., et al. (2011). Mealybugs and Leafroll Virus, a Dangerous Mix: Overall Review of Findings in West Coast Grape Production. 2nd Oregon Wine Research Institute Colloquium, Corvallis, Oregon.
- Sharma, A. M.; Wang, J. B., et al. (2011). "Occurrence of Grapevine Leafroll-Associated Virus Complex in Napa Valley." Plos One 6(10)
- Daane, K. M.; Yokota, G. Y., et al. (2011). Selecting the needed mealybug control in table grapes. San Joaquin Valley Table Grape Sminar, Fresno, CA, California TableGrape Commission.
- Cooper, M. L.; Varela, L. G. (2011). The status of the European grapevine moth eradication effort in California. Western Plant Diagnostic network, First Detector News. 3. 2011.
- Mastro, V.; Lance, D., et al. (2011). Third report of the International Technical Working Group for the European grapevine moth in California. 7.
- Varela, L. G.; Smith, R. J., et al. (2011). "Timing fo insecticide treatments for European grapevine moth." CAPCA Advisor XIV(2): 18-22.
- Miranda, O. A.; Miranda, O. A., et al. (2011). Vine mealybug in California: what is the damage and what control tools work best. III Simposio Internacional de Uva de Mesa y Pasa, San Juan, Argentina, Instituto Nacional de Tecnologia Agropecuaria.
- Maher, M.; Cooper, M. L. (2011). "Vineyard best practices: the importance of clean plant series." Napa Valley Grapegrowers Informational publication in their Best practices series
- Cooper, M. L.; Varela, L. G., et al. (2010). "Euroean grapevine moths, Lobesia Botrana." CAPCA Advisor 13(4): 20-28.
- Cooper, M. L. (2010). European grapevine moth newsletter. European grapevine moth newsletter. 28 issues. 2010.
- Cooper, M. L.; Varela, L. G. (2010). European grapevine moth, Lobesia bortrana. Solano County Farm Bureau Newsletter. Spring 2010.
- Cooper, M. L. (2010). Eurpoean grapevine moth. Newsletter. 64. 2010.
- Varela, L. G.; Cooper, M. L., et al. (2010). "Identification of tortricid moths in California vineyards." CAPCA Advisor 13(5): 24-29.
- Daane, K. M.; Wistrom, C. M.., et al. (2010). Mealybug pests and an emerging viral disease: Vector ecology and their role in grape leafroll associated virus epidemiology. 2009 Annual Reports, American Vineyard Foundation. 13. 2010.
- Cooper, M. L.; Almeida, R. P. P., et al. (2010). Multi-state team to study grapevine leafroll disease as part of USDA Specialty Crop Research Initiative Program. Central Vineyard Team Newsletter. Spring 2010.
- Cooper, M. L. (2010). "Napa County vintage report for 2009 growing season." Wines and Vines
- Cooper, M. L. (2010). "Reserach activities surrounding European grapevine moth: Detection, life cycle, and management." Napa Valley Grapegrowers' Premium Grower
- Mastro, V.; Lance, D., et al. (2010). Second report of the International Technical Working Group for the European grapevine moth in California. 6. May.
- Daane, K. M.; Yokota, G. Y., et al. (2010). Sustainable controls for the vine mealybug. American Vineyard Foundation Annual Reports, 2009 Crop Season. Napa, California. 24. 2010.
- Cooper, M. L. (2010). Update from the Viticulture Farm Adviser: Pinot noir leaf curl, Erineum mite, and European grapevine moth. Napa County Farm Bureau Newsletter. Summer 2010.
- Cooper, M. L.; Varela, L. G. (2009). Biology and management of European grapevine moth. Napa County Farm Bureau's Grower Advocate NCFB Newsletter. Winter 2009.
- Varela, L. G.; Zalom, F. G., et al. (2009, 2009). "European Grapevine Moth, Lobesia Botrana." UC IPM Online Pest management guidelines
- Cooper, M. L.; Daane, K. M. (2009). "Managing mealybug: An integrated approach to vine mealybug management can keep the pest from eating your profits." Western Fruit Grower: 20-22.
- Cooper, M. L.; Daane, K. M. (2009). Putting it all together: An Integrated approach to vine mealybug management. Napa Valley Grapegrowers' Newsletter. April 2009.
- Cooper, M. L.; Daane, K. M. (2009). Putting it all together: Integrated pest management for vine mealybug. Napa County Farm Bureau's Grower Advocate Newsletter. Summer 2009.
- Millar, J. G.; Waterworth, R., et al. (2009). "UC researchers demonstrate potential roles for pheromones in mealybug management in vineyards." Practical Winery and Vineyard
California Agriculture Article Contributions
ANR Workgroup Associations
- Integrated Grape Production - Member
- Pest Management in ANR - Member
- Wildlife - Member