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Two-Year Performance Summary of Soil and Seed Applied Systemic Insecticides on Cotton along the Texas Upper Coast
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ABSTRACT Data from 5 field tests conducted in the Texas Upper Coast production region from 2000 and 2001 were combined for analysis to compare the effects of seed (Cruiser and Gaucho) and soil applied (Temik) systemic insecticides on thrips. In this analysis, thrips numbers on 2-5 true leaf cotton, plant damage ratings, boll production, lint per boll, lint yield and economic impacts are reported. No significant differences were found in the number of thrips; however, numerically all the insecticide treatments had less numbers of thrips compared to the untreated cotton. No significant differences were found in the number of bolls to produce a pound of lint; however, numerically it took less number of bolls to produce a pound of lint in all the insecticide treatments. All insecticide treatments had statistically lower plant damage ratings, greater number of harvested bolls and more lint production than untreated cotton. Lint yield increase in insecticide treatments ranged from 66-115 lb/acre. |
©National Cotton Council, Memphis TN |
Document last modified May 20, 2002
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