Tuesday, November 11, 2025

earworm

Why You Should Plant Non-Bt Corn Refuge in the Southeastern U.S.

⋅ BY DOMINIC REISIG ⋅ NC State Extension Bt corn has been genetically modified to make insecticidal proteins that protect plants from caterpillars and some root-feeding beetles. In our region, growers pay an average of around $35 more for a bag...

Why you should plant non-Bt corn refuge in the southeastern U.S.

• By Daniela Pezzini • Bt corn has been genetically modified to make insecticidal proteins that protect plants from caterpillars and some root feeding beetles. In our region, growers pay an average of around $35 more for a bag of...

Corteva’s Prevathon Now FMC’s Vantacor

Texas A&M University Extension agronomist Calvin Trostle reports that Corteva insecticide Prevathon, formerly from DuPont, is now a product of FMC under the name Vantacor. He says instructions for crops and pests are mostly the same; however, the percentage...

Why you should plant non-Bt corn as resistance insurance

• By Dominic Reisig • All growers who plant Bt corn in North Carolina are required by law to plant non-Bt corn (refuge). Details are specified on the bag tag, but non-Bt corn must represent at least 20% of the...

EPA proposal could drastically change Bt corn resistance management

• By Pat Porter • My recent post discussed the proposal by Environmental Protection Agency to drastically change the resistance management regulations around Bt corn and cotton. You can submit a comment here before Nov. 9. The proposal is hard...

EPA proposes sweeping changes to Bt crops in the Cotton Belt

• 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...

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