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Bioassays based on feeding disruption have been developed which accurately distinguish larvae of the tobacco budworm (Heliothis virescens) from the bollworm (Helicoverpa zea) and diagnose larval resistance to Bacillus thuringiensis and chemical insecticides in the budworm. This assay technology should be applicable to other pest species. |
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©National Cotton Council, Memphis TN |
Document last modified Monday, Jun 21 1999
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