Abstract
ABSTRACT Small plot field trials were conducted in 2002 and 2003 to compare European corn borer (ECB) (Ostrinia nubilalisHübner) control using currently recommended insecticides, carbofuran (FURADAN® 480F) and lambda-cyhalothrin (MATADOR® 120EC), with spinosad (SUCCESS® 480SC) and Bt-sweet corn (ATTRIBUTE®). In both years, foliar applications of spinosad, lambda-cyhalothrin or carbofuran, or Bt-sweet corn significantly reduced the number of ECB stalk tunnels, percent damaged plants and number of damaged kernels, tunnels and larvae on ears at harvest compared to the untreated control. More marketable ears were harvested from plots treated with the insecticides and Bt-sweet corn treatments than from untreated controls. Small plot field trials also were conducted to investigate the efficacy against corn flea beetle (CFB) (Chaetocnema pulicaria Melsheimer) of the seed treatment insecticides, imidacloprid (GAUCHO® 480FS) and clothianidin (PONCHO® 600F). Imidacloprid was evaluated in both 2002 and 2003, clothianidin in 2003 only. Seed treatment with either insecticide significantly reduced numbers of CFB feeding damage marks compared to untreated controls. Clothianidin provided more effective control of CFB than imidacloprid. Overall, the results demonstrated that spinosad or Bt-sweet corn provided ECB control comparable to carbofuran and lambda-cyhalothrin, while imidacloprid or clothianidin seed treatments reduced sweet corn seedling injury from CFB.
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Claims 9
Claim · model-written summary
spinosad reduced corn borer damage relative to untreated control.
Verbatim
e0“In both years, foliar applications of spinosad, lambda-cyhalothrin or carbofuran, or Bt-sweet corn significantly reduced the number of ECB stalk tunnels, percent damaged plants and number of damaged kernels, tunnels and larvae on ears at harvest compared to the untreated control.”
t0“Sweet Corn”
Claim · model-written summary
lambda-cyhalothrin reduced corn borer damage relative to untreated control.
Verbatim
e0“In both years, foliar applications of spinosad, lambda-cyhalothrin or carbofuran, or Bt-sweet corn significantly reduced the number of ECB stalk tunnels, percent damaged plants and number of damaged kernels, tunnels and larvae on ears at harvest compared to the untreated control.”
t0“Sweet Corn”
Claim · model-written summary
carbofuran reduced corn borer damage relative to untreated control.
Verbatim
e0“In both years, foliar applications of spinosad, lambda-cyhalothrin or carbofuran, or Bt-sweet corn significantly reduced the number of ECB stalk tunnels, percent damaged plants and number of damaged kernels, tunnels and larvae on ears at harvest compared to the untreated control.”
t0“Sweet Corn”
Claim · model-written summary
Bt-sweet corn reduced corn borer damage relative to untreated control.
Verbatim
e0“In both years, foliar applications of spinosad, lambda-cyhalothrin or carbofuran, or Bt-sweet corn significantly reduced the number of ECB stalk tunnels, percent damaged plants and number of damaged kernels, tunnels and larvae on ears at harvest compared to the untreated control.”
t0“Sweet Corn”
Claim · model-written summary
Insecticide and Bt sweet corn plots yielded more marketable ears than untreated plots.
Verbatim
e0“More marketable ears were harvested from plots treated with the insecticides and Bt-sweet corn treatments than from untreated controls.”
t0“Sweet Corn”
Claim · model-written summary
clothianidin seed treatment reduced corn flea beetle feeding marks relative to untreated controls.
Verbatim
e0“Seed treatment with either insecticide significantly reduced numbers of CFB feeding damage marks compared to untreated controls.”
t0“Sweet Corn”
t1“clothianidin in 2003 only”
Claim · model-written summary
Clothianidin controlled flea beetle more effectively than imidacloprid.
Verbatim
e0“Clothianidin provided more effective control of CFB than imidacloprid.”
t0“Sweet Corn”
Claim · model-written summary
spinosad gave corn borer control comparable to carbofuran and lambda-cyhalothrin.
Verbatim
e0“spinosad or Bt-sweet corn provided ECB control comparable to carbofuran and lambda-cyhalothrin”
t0“Sweet Corn”
Claim · model-written summary
Bt-sweet corn gave corn borer control comparable to carbofuran and lambda-cyhalothrin.
Verbatim
e0“spinosad or Bt-sweet corn provided ECB control comparable to carbofuran and lambda-cyhalothrin”
t0“Sweet Corn”
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See all 6 papers →8 of 10 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.