Sweetcorn, Corn Earworm and Fall Armyworm Control, 1984

Corn was planted 31 May, ’84, at the University of Georgia Experiment Station, Oconee Co. Soil type was Appling coarse sandy loam. A randomized complete block experimental design with 2-row plots x 6.5-m long X 1-m row width X 1-in alleys and with 5 replicates was used. Plants were treated with a full cone spray using an air pressure sprayer at 30 psi in a final volume of 500 1/ha directed on the plant ears. Plots were sprayed 9 times beginning at the initiation of silking on 16 Jul, and continuing 18, 20, 23, 25, 27, 30 Jul, 1 and 3 Aug. All ears in the center 6-m of row were examined on 6 Aug for the presence of corn earworm larvae or damage.