The new varieties of Transgenic Dicamba-resisting and Glufosinate-resisting Maize of Monsanto were recently submitted to Animal and Plant Health Inspection Service (APHIS) for product control relief. The exposure period will last for 60 days till Oct. 13. USDA approved Monsanto’s transgenic Dicamba-resisting cotton and soybeans in January this year, both of which are constitutions of Roundup Ready Xtend system.