Abstract
Abstract Nine insecticides were evaluated for control of 1st generation European corn borer larvae. The test was planted in a lst-year corn field in the UK Spindletop Research Farm in Fayette County on 17 Apr as a randomized block design with 3 replicates. Individual plots consisted of 2 rows, 19 m long, with 96.5 cm row spacing. Counter 20 CR was applied as a T-band at planting, while M-Peril 5 G and Lorsban 15 G granules were applied in a band over the whorl stage corn using a Gandy applicator driven by electric motor and mounted on a high-clearance tractor. Liquid insecticides were applied using high-clearance tractor sprayer at 40 psi and 26 gal finished spray per acre, except for Penncap-M and TD-2328-01 which were applied with 16 gal finished spray pre acre. All insecticide applications, with the exception of Counter 20 CR were made on 11 Jun. Ten stalks per plot were destructively sampled and the number of European corn borers recorded on 18 Jun. Ten stalks were removed from each plot, split and the numbers of European corn borer tunnels recorded on 13-14 Jul. Data were subject to ANOVA and treatment means were compared to the control by LSD (SAS Institute).
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