Abstract
Abstract This field test was conducted in conventionally planted and tilled soybeans grown in a Vaiden soil at the Marion Junction Substation of Auburn University. Six treatments and a control were replicated 4 times in a randomized complete block design. Each 0.011-acre plot was 4 rows wide (36-inch row spacing) and 40 ft long. Plots were separated by a 2-row mowed alley; replicates were separated by a 25-ft mowed alley. Treatments were applied on 11 Sep using a tractor-mounted boom sprayer equipped with 3 TX-3 hollow-cone nozzles/row operating at 40 psi and delivering 8 gal/acre. Insect populations were sampled by placing a standard 3-ft beat sheet between : the rows and beating only 1 row. Numbers of green cloverworm, velvetbean caterpillar, and unidentifiable neonate larvae were counted and recorded. Two samples from each plot were taken prior to treatment application and at 3 and 7 days posttreatment (14 and 18 Sep).
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