Cotton acres are expected to be down and soybeans up in the Southeast this year. But that doesn’t mean farmers can move away from practices like the use of pre-emergence and lay-by herbicides that have helped them rein in glyphosate-resistant pigweed. Dr. Alan York explained why in this interview at the MANA Crop Consultants meeting in Memphis, Tenn. York was one of several speakers who discussed herbicide resistance issues and new insect pests and insecticides at the fifth annual MANA conference.