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试验结果表明:52 .25 % 农地乐乳油750ml/hm 2 、900 ml/h m 2 和1050ml/hm 2 三种处理防治棉铃虫均具良好效果。施药后3 ~7 天的防效介于82 .6 % ~91 .4 % ,且三种处理两两间效果差异不显著
The test results show that: 52. The control of cotton bollworm with 25% agroforestry oil 750ml / hm 2, 900ml / h m 2 and 1050ml / hm 2 all had good results. 3 to 7 days after application of anti-efficacy between 82. 6% ~ 91. 4%, and the difference between the two treatments is insignificant