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bollworm

Meeting With Resistance

bollworm

The National Cotton Council soon will submit comments in response to an EPA proposal that could negatively affect the way Bt crop resistance is managed. What does the proposal entail? ■ Early in September, the Environmental Protection Agency released its “Draft Proposal to Improve Lepidopteran Resistance Management.” The draft indicates EPA has accepted that some species of caterpillar pests already ... Read More »

EPA proposes sweeping changes to Bt crops in the Cotton Belt

bollworms cotton

• By Pat Porter • This week, the Environmental Protection Agency released a draft plan that essentially overhauls many of the regulations around insect resistance management in Bt crops grown in the Cotton Belt. There are many major changes proposed, one of which is that field failures are presumed to be cases of “practical resistance” if certain criteria are met ... Read More »

Should you stop treating cotton for insects?

bollworm feeing on boll

• By Dominic Reisig • Should I treat this cotton for bollworm eggs, plant bugs or stink bugs? This is a question I have been getting a lot this year with all our delayed and late-planted cotton. Of course it’s not a one-size-fits-all answer, but here are a few scenarios to consider. 1) Delayed cotton with low yield potential Unfortunately ... Read More »

Keep your eyes peeled for bollworms in the coming weeks

bollworm in cotton

• By Scott Stewart • Although current moth activity remains relatively low, I’m expecting a peak of moth activity sometime beginning around Aug. 5 through 10. Bollworm (a.k.a., corn earworm) poses a significant threat to cotton and soybeans, and particularly late-planted soybeans that are still flowering when the flight arrives. Below are some thoughts on managing for this troubling pest. ... Read More »