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使用灭铃净乳油1000,2000,3000倍液防治棉铃虫,药后7天防效均达到85.4%以上;1000倍液的防效可达94.5%,保蕾效果为92.13%。1000倍,2000倍处理防效极显著地高于2.5%功夫菊酯乳油2000倍处理。
The use of ring net cream EC 1000, 2000, 3000 times control bollworm, 7 days after the drug control effect reached more than 85.4%; 1000 times the control effect of up to 94.5%, Paul Lei effect of 92.13 %. 1000 times, 2000 times the treatment effect was significantly higher than 2.5% KLF EC 2000 times.