Abstract
Abstract Twelve insecticide treatments were evaluated for aphid control at the Red River Research Station, Bossier City, LA, using a randomized complete block design with 3 replications. Cotton was planted 13 May on 1.02-m centers. Plots were 8 rows × 30.5 m. Insecticides were applied with a high-clearance sprayer equipped with a CO2 system for spraying small plots. Treatments were applied on 25 Jul. Insecticides were applied in 11.4 liters of water/acre with TX-3 hollow cone nozzles spaced 50.8 cm apart. Pretreatment and posttreatment counts were based on randomly collected 5 and 10-leaf samples, respectively. For all samples, each leaf collected was the third fully expanded leaf down from the terminal. No yield data were collected.
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