Abstract
Abstract ‘Hartz 1215’ cotton was planted on 15 May at the University of Arkansas Northeast Research and Extension Center. Granular compounds were applied by Gandy box on the planter. In-furrow liquids were applied with a CO2-powered system mounted on the planter directing sprays into the furrow. The sprayer was calibrated to deliver 5.5 gpa at 42 psi through 8002 flat fan nozzles. Bidrin was applied as a foliar application. All other treatments were in-furrow at planting. Plots were four, 38-inch rows 50 ft long arranged in a RCBD with 4 replications. Damage ratings were based on a scale of 1-10 with 10 = severe damage. Thrips counts were made by collecting 5 plants from each plot in alcohol, washing the plants through a sieve, collecting the thrips on a piece of filter paper. Stand counts were made by counting the number of plants in 7 ft on 2 rows for a total of 14 row feet. Plant height was measured on 5 plants in each plot. Yields were taken by harvesting the center two rows of each plot.
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