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Potential Impact of Pyrethroid Resistance in Helicoverpa zea to the Midwest Processing Industry: Sweet Corn and Snap Beans

B. R. Flood and T. L. Rabaey

July 2007


Midwest food processors are well positioned to avoid major crop losses and product contamination resulting from pyrethroid resistance in corn earworm (CEW). However, we do recognize risks associated with late-season plantings, particularly for sweet corn and snap beans. We currently have no effective alternatives. Processors will likely use higher rates of pyrethroids, shorter intervals, and/or additional treatments and, increasingly, on "processing out" to husk out, wash out, and vision-sort larval contaminants and damaged kernels.


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