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试验表明，３０％克虫神乳油、２．５％溴氰菊酯、Ｂｔ水剂等制剂防治甘薯天蛾持效期长、效果好，是理想的选用药剂。
Tests showed that 30% of insect God cream, 2.5% deltamethrin, Bt agent and other preparations of sweet potato moth control long duration, good effect, is the ideal choice of drug.