Annual morningglories are difficult to control with existing cultural and herbicide programs in cotton. Herbicide treatments were applied on a fallow bed field at Shafter Research Station and in a cotton field near Tulare, California in 1996. At 7 DAT there was a slight trend toward the higher rates of Staple giving higher control at Shafter. At Shafter with all evaluation dates, Staple + MSMA treatments gave higher control than the Staple alone or MSMA alone treatments. At 28 DAT the Staple + MSMA treatments gave between 96 and 97 percent control, whereas, the Staple alone gave 75 to 77 percent control and the MSMA alone gave 62 percent control. At the Tulare site Staple + Agridex gave partial control of emerged annual morningglory. Increasing rates of Staple and Agridex did not enhance control. The split application did not affect weed control. The addition of 5 gallons of UN-32 fertilizer to Staple increased control in all rates of Staple. Increasing rates of Staple to UN-32 did not enhance weed control. UN-32 fertilizer alone gave fair control but was approximately 15 percent less control than treatments with Staple. Cotton injury was slight for 14 days following treatments. The addition of UN-32 to Bladex gave better control of annual morningglory than the Bladex + Agridex, however cotton injury was severe for 20 days.