Abstract
Abstract This test was designed to evaluate the effectiveness of various insecticides for control of TPB in cotton. Adult TPB were captured from flowering plants in the early spring before insecticide applications were initiated. Cotton plants were treated in the field, and immediately the terminals were cut and placed into water picks and transported to the lab. In the lab, 5 TPB adults were caged on the terminals, and allowed to feed for 24 h. The number of live and dead TPB was recorded. 48 hours after the plants were treated, additional terminals were cut, put in water picks and brought to the lab. TPB were placed on these in the same manner to test for the residual effect of the insecticide. Each treatment considered of 5 terminals with 5 TBP on each terminal. This was replicated four times for each treatment. Chemical application was made with a CO2 powered back pack sprayer with 1 TX 4 hollow cone nozzle per row traveling 4 mph delivering 5 gpa.
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