Control of Smellmelon (Cucumis Melo) in Soybean with Herbicides

Field studies were conducted during the 2004 and 2005 growing seasons to evaluate the effects of various herbicides on smellmelon control and soybean yield response. Pendimethalin applied pre-emergence (PRE) alone controlled smellmelon no better than 70%, whereas pendimethalin plus imazethapyr, flumioxazin, or cloransulam applied PRE provided almost complete smellmelon control (99%). Pendimethalin applied PRE followed by acifluorfen applied early postemergence (EPOST) provided similar control. Glyphosate alone applied late postemergence (LPOST) provided complete control (100%), and pendimethalin followed by glyphosate applied EPOST controlled smellmelon at least 95%. Most herbicides increased soybean yield over the nontreated check.Nomenclature: Acifluorfen, cloransulam, flumioxazin, glyphosate, imazethapyr, pendimethalin, smellmelon, Cucumis melo L. var. Dudaim Naud. CUMME, soybean, ‘HBK 5123’