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Corn Earworm Pressure Lower Under Maine’s Cool Nights

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Fall Armyworm on Corn Silk

Fall Armyworm on Corn Silk; photo by David Handley

Recent relatively cool nights in Maine indicate a shift in the weather pattern and have resulted in a dramatic drop in corn earworm captures this week. However, populations are still high enough to keep all silking fields on a regular spray schedule. As we approach Labor Day and the season starts to wind down, we have very little pressure from either fall armyworm or European corn borer. Hot weather predicted for the remainder of the week will push remaining corn maturity along rapidly. Remnants of hurricane Isaac may visit Maine next week and could bring with it a new flush of earworm and armyworm. Read more>>


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