Abstract
'Delta Pine 555 BR' cotton seed were planted on a Commerce silt loam soil on 19 Apr with a John Deere 7100 series planter equipped with 10-inch seed cones mounted to replace the seed hoppers. Plot size was four rows (40-inch centers) by 50 ft. Treatments were replicated four times in a RCB design. All seed treatments were applied by Syngenta. Granular in-furrow treatments (Temik 15G) were applied with 8-inch belt cone applicators mounted to replace the standard granular applicators. Control of thrips adults, thrips larvae, and aphids was determined by randomly selecting five plants per plot at 10, 13, 17, 21, 24, and 28 d after emergence (DAE). Whole plant washing procedures were used to remove the insects and counts were made with the aid of a dissecting microscope. Plant density was determined by counting all plants on the center two rows of each plot at 38 DAE. Plant height was determined by measuring 10 randomly selected plants from the center two rows of each plot at 38 DAE. Plots were mechanically harvested using a spindle type harvester on 19 Sep. Yields were converted to lb seed cotton/acre. Data were subjected to ANOVA and means were separated using an F protected LSD (P = 0.05).
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