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US approval for DuPont's AcreMax maize

DuPont seed subsidiary Pioneer Hi-Bred International has received US EPA approval for the first “refuge-in-a-bag” genetically modified maize product. Optimum AcreMax 1 is a blend of 90% DuPont/Dow AgroSciences’ corn rootworm ( Diabrotica spp) and corn borer ( Ostrinia nubilalis)-resistant Herculex XTRA with 10% corn borer-resistant Herculex 1, which serves as the corn rootworm refuge. All the seed is tolerant to the herbicides, glyphosate and glufosinate-ammonium.


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