ABSTRACT

Field studies were conducted to examine the potential of a two pass weed control program in Missouri cotton production. Studies showed that a three way tank mix of glyphosate+S-metolachlor+propazine applied at the cotyledon (COTYL) or over-the-top at the 3-5 leaf stage (OT3-5) combined with preemergence or post-directed herbicide applications provided season long weed control comparable to that from a three pass program.