Abstract
Abstract Field studies were conducted to determine if addition of feed grade molasses to Provado would affect mortality to TPB caged on cotton plants. Cotton was planted 4 Jun on the ASU farm in Jonesboro in 4 row (38 inch centers) wide plots 60 ft long separated by a 4-row buffer Treatments were arranged in a RCBD with 3 replications. Insecticides were applied 8 Aug using a 4-row CO2 charged tractor mounted sprayer calibrated to deliver 12.5 gpa at 40 psi with TI-50 8002 nozzles on 17 inch spacing. Prior to application, TPB were collected using sweep nets in mustard plants and placed into 15 ml plastic vials (5 insects per vial) on ice. Three organdy sleeve cages, 6 inches diam by 18 inches long, were secured to randomh selected individual plants in the center 2 rows by tying the lower end of each cage around the plant ca 1 ft from the terminal with twist ties. The cages were rolled down to the tie and covered with aluminum foil leaving plant terminals exposed. Following treatment the foil was removed, the cage pulled up, and 5 TPB adults were placed into each cage. Cage tops were secured with twist ties. After 72 hr, plants were cut below the cage and taken to the laboratory where TPB mortality was determined.
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