Control of the Annual Bluegrass Weevil on a Golf Course Fairway, Using Sequential Applications of Pesticides, 2015

This study was conducted to evaluate sequentially applied insecticide programs for control of ABW on a golf course fairway. The test was located along the east side of fairway #6, at The Country Club, Pepper Pike, Ohio. Treatments were applied 29 Apr, 13 May, 10 Jun, 8 & 29 Jul, 17 & 31 Aug to plots 5 × 8 ft. arranged in an RCB design replicated four times. Liquid treatments were applied using a 3–ft. wide (spray 4–ft. width) CO2 pressurized sprayer with TeeJet 8004 nozzles at 20 psi calibrated to deliver 2.0 gal/1,000 ft2. Plots received daily irrigation. Field conditions at time of 29 Apr applications were: turf—70% bentgrass and 30% annual bluegrass, mowed at 3/8 in., thatch—0.25–0.5 in.; soil—sandy loam, moist, generally sloping to the south, …