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J Econ Entomol


Title:Pheromone Deployment Strategies for Mating Disruption of a Vineyard Mealybug
Author(s):Daane KM; Cooper ML; Mercer NH; Hogg BN; Yokota GY; Haviland DR; Welter SC; Cave FE; Sial AA; Boyd EA;
Address:"Department of Environmental Science, Policy, and Management, University of California, Berkeley, CA, USA. University of California Cooperative Extension, Napa County, 1710 Soscol Avenue, Napa, CA, USA. USDA-ARS, Invasive Species and Pollinator Health Research Unit, Albany, CA, USA. University of California Cooperative Extension, Kern County, 1031 South Mount Vernon, Bakersfield, CA, USA. Department of Biology, San Diego State University, San Diego, CA, USA. Department of Entomology, University of Georgia, Athens, GA, USA. College of Agriculture, California State University, Chico, CA, USA"
Journal Title:J Econ Entomol
Year:2021
Volume:114
Issue:6
Page Number:2439 - 2451
DOI: 10.1093/jee/toab198
ISSN/ISBN:1938-291X (Electronic) 0022-0493 (Print) 0022-0493 (Linking)
Abstract:"The mealybug, Planococcus ficus (Signoret), is a primary vineyard pest in California and other grape-growing regions throughout the World. Mating disruption programs are commercially available to manage Pl. ficus, but widespread adoption has been limited, in part, by high costs compared with insecticide programs. To improve mating disruption economic effectiveness, different deployment technologies (passive, aerosol, and microencapsulated formulations) were individually examined. Adult male Pl. ficus captures in pheromone traps and categorical ratings of vine infestation or crop damage suggest that all deployment strategies lowered mealybug densities or damage. Using passive dispensers, deployment rates of 310 and 465 per ha lowered Pl. ficus crop damage similar to 615 per ha, a rate commonly used in commercial operations; reduced rates would lower product and deployment costs. Meso dispensers, containing more a.i., deployed at 35 per ha did not have a treatment impact, but a microencapsulated formulation and aerosol canisters lowered male flight captures and/or crop damage. Male mealybug flight activity was greatest from 0500-1100 hr, which coincided with temperatures >16 degrees and <32 degrees C. These restricted times and temperatures suggest programable dispensers might allow pheromone deployment to coincide only with flight patterns. A large field trial using passive dispensers found greater treatment separation after 3 yr of pheromone deployment. Discrepancies in results among vineyards may be related to Pl. ficus density, but combined results from all trials suggest that different deployment technologies can be used to impact Pl. ficus densities and damage, even at reduced rates, especially with continued use over multiple seasons"
Keywords:"Animals Farms Insect Control Male *Moths Pheromones Reproduction *Sex Attractants Sexual Behavior, Animal Planococcus ficus semiochemical sex pheromone sustainable agriculture vineyard pest;"
Notes:"MedlineDaane, Kent M Cooper, Monica L Mercer, Nathan H Hogg, Brian N Yokota, Glenn Y Haviland, David R Welter, Stephen C Cave, Frances E Sial, Ashfaq A Boyd, Elizabeth A eng Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. England 2021/10/26 J Econ Entomol. 2021 Dec 6; 114(6):2439-2451. doi: 10.1093/jee/toab198"

 
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