US exemption for Bt toxins in GM soybeans
The US EPA has established tolerance exemptions for the Bt Cry2Ab2 and Cry1A.105 toxins in genetically modified insect-resistant soybeans. Monsanto had requested an extension to the tolerance exemption for Cry2Ab2 for maize and cotton to all food commodities and for an exemption for Cry1A.105 for all commodities but the Agency determined that the data provided only supported a safety finding for soybeans. Last month, the EPA proposed the registration of Monsanto's insect-resistant MON87751 soybeans for seed production purposes. They produce the Bt Cry1A.105 and Cry2Ab2 toxins for the control of lepidopteran pests. The USDA deregulated MON87751 soybeans in October 2014. The soybeans provide greater resistance to fall armyworms (Spodoptera frugiperda) than the MON87701 line, which produces the Cry1Ac toxin. That is a component of the insect-resistant and glyphosate-tolerant Intacta RR2 Pro (MON87701xMON89788) soybeans, which were introduced in Brazil in 2013.