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进行了20%甲维.毒死蜱水乳剂防治水稻二化螟田间药效试验,结果表明,20%甲维.毒死蜱水乳剂防治水稻二化螟,在二化螟卵孵化高峰期施1 750~2 000ml/hm2(有效成份350~400g/hm2),防效较好,对水稻安全。
A 20% carbaryl chlorpyrifos emulsion was used to prevent and control the rice stem borer. The results showed that 20% carbaryl chlorpyrifos could prevent and cure the rice stem borer, 000ml / hm2 (active ingredient 350 ~ 400g / hm2), good control effect on rice safety.