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灭铃净（溴氰菊酯＋马拉硫磷）乳油为复配杀虫制剂，室内生测试验表明其有较高的杀幼虫活性，在田间进行了针对棉铃虫的小区药效试验，在所设剂量下，可以有效地防治棉铃虫的为害。
Cypermethrin (deltamethrin + malathion) EC was a compound insecticide. Indoor bioassay showed that it had higher larvicidal activity. In the field, the efficacy test of cotton bollworm The dose set, you can effectively control the damage of cotton bollworm.