Management of Flood-submerged Grain
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Western Corn Rootworm Resistance to Final Bt Trait Confirmed
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Corteva Agriscience recently confirmed resistance to the Cry34/35Ab1 Bt protein in Delaware County.
Three of four Bt traits targeting corn rootworm (Cry3Bb1/Yieldguard rootworm; mCry3A/Agrisure RW; and eCry3.1Ab + mCry3A/Agrisure Duracade) are not reliable for rootworm control due to widespread resistance. Due to a reduction in effectiveness of the Cry3 proteins, farmers have come to rely upon Cry34/35Ab1 for rootworm protection, placing significant selection pressure on this trait.
Iowa State Scientists Lead Discovery of a Mechanism Cyst Nematodes Use to Reprogram Plant Host Cells
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A research team led by Iowa State University has solved part of a mystery important to battling the most serious threat to U.S. soybean production, the soybean cyst nematode — a pathogen responsible for more than $1 billion in reduced yields each year in this country alone.
Should You Use a Fungicidal Seed Treatment on Low-Quality Soybean Seed?
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Herbicide program development: Using multiple sites of action
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Herbicide program development: Herbicide rate calculations
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Herbicide program development: Using effective herbicide groups
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2018 SCN-resistant Variety Trial Results Show Yield Effects and SCN Buildup
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2019 Pest management publications to have before planting
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Moving Forward with Dicamba
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On October 31, 2018, the EPA made the long-awaited announcement regarding dicamba registration for use on dicamba-resistant soybean. I suspect opinions regarding the EPA actions are as varied as people’s views of the technology. Following are pertinent changes on the dicamba labels: