Abstract
Abstract Plots were established at the Coshocton Hydrological Station, Coshocton County, OH, in a field of production corn planted with no-tillage methods into grass sod on 25 May. High slug populations were observed 6 Jun and plots were treated 7 Jun. Plots measured 30 ft by 30 ft and row spacing was 30 inches. A Latin square design,replicated 4 times was used. Four treatments were evaluated to determine slug control by various Larvin formulations. The treatments were Larvin at 0.4 lb (AI)/acre in 10 and 20 lb of cracked corn bait and the third treatment was a dribble bait of Larvin 1.0 lb (AI)/acre in an aqueous carrier. The fourth treatment was the untreated check. The cracked corn and liquid baits were prepared by mixing an equivalent rate of 17.6 oz beer, 17.6 oz molasses and 70 oz of water plus appropriate toxicant/100 lb cracked corn and 25 gal total carrier volume, respectively. The liquid baits were applied as a dribble by fitting 0.75 inch diam by 6 inch long tygon tube to 8001E spray nozzles operated at 10 psi spaced 20 inches apart over the row and travelling 3 mph. The cracked corn baits were applied by a hand-operated rotary spreader. Data on surviving plant density and percent defoliation was collected on 21 June. Yields and final plant density were obtained 31 Aug and are based upon harvestable grain/1000 acre.
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