9335 Multiple Resistance to Glyphosate and an ALS Inhibitor in Palmer Amaranth in GA

Wednesday, January 7, 2009: 2:45 PM
Salon M (Marriott Rivercenter Hotel)
Lynn M. Sosnoskie1, Jeremy M. Kichler2, Rebekah Wallace1 and A. Stanley Culpepper1, (1)University of Georgia, Tifton, GA, (2)University of Georgia, Oglethorpe, GA
The existence of multiple resistance to glyphosate and ALS-inhibitors in Palmer amaranth is a significant threat to cotton production in the SE USA. This paper documents the first confirmed case of multiple resistance in Palmer amaranth in GA.