Corteva Gains US Approval for Kyro Herbicide Nov 18, 2022 | Agrochemicals, News Your subscription level does not currently cover this area of our services. Please contact us to find out how to gain access. Username or E-mail Password * Remember Me Forgot Password Tags: acetochlor, clopyralid, Corteva, Herbicide Resistance, Herbicides, Maize, North America, Product Introductions, topramezone, USA