Spatially Targeted Applications of Reduced-Risk Insecticides for Economical Control of Grape Berry Moth, Paralobesia viteana (Lepidoptera: Tortricidae).

摘要: The grape berry moth, Paralobesia viteana Clemens (Lepidoptera: Tortricidae), is a key economic pest of vineyards in eastern North America, and prevention fruit infestation particularly challenging along vineyard borders that are adjacent to wooded areas containing wild ( Vitis spp.). For three years, damage where reduced-risk insecticides were applied at timings based on degree day model (Integrated Pest Management program) compared broad-spectrum across the whole (Standard program). Infestation immediately prior harvest was consistently lower IPM than Standard program vineyards, two years this also true veraison (fruit coloring). Grape moth similar between treatments interiors throughout study, despite no insecticide applications vineyards. Populations other pests, leafhopper, Erythroneura comes (Say) (Hemiptera: Cicadellidae), Japanese beetle, Popillia japonica Newman (Coleoptera: Scarabaeidae), not significantly different programs, natural enemy captures yellow sticky traps similar. per hectare cost for program, with significant difference third year study. We demonstrate how spatially selective can provide improved control standard insecticide-based programs.