Abstract
Abstract Field studies were conducted to determine the effect of sucrose on efficacy of Provado insecticide to control TPB caged on cotton plants. Cotton was planted 15 May 1995 on the UA Cotton Branch Experiment Station in Marianna, AR, in 6 row (38 inch centers) wide plots 50 ft long separated by 2 row buffer zones. Treatments were arranged in a RCBD with 3 replications. Insecticides were applied 21 Jul using a 4-row CO2 charged back pack sprayer calibrated to deliver 13 gpa at 23 psi with 1 TJ-50 8002vs nozzle per row. Prior to application, TPB were collected using sweep nets in blooming mustard and placed into 15 ml plastic vials (5 insects per vial) on ice. Three organdy sleeve cages, 9 inches diam by 22 inches long, were secured to individual plants 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 they were inspected over white background for dead and living bugs.
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