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对30%毒死蜱·丙溴磷乳油进行了毒力和田间药效测定。结果显示,30%毒死蜱·丙溴磷乳油对十字花科蔬菜美洲斑潜蝇LC50为57.80mg/L。该复配制剂有明显增效作用。施药7天后,30%毒死蜱·丙溴磷乳油540g/ha对美洲斑潜蝇的防效为92.9%。
The toxicity and field efficacy of 30% chlorpyrifos and profenofos EC were tested. The results showed that the LC50 of 30% chlorpyrifos and profenidola was 57.80 mg / L for cruciferous vegetables. The compound preparation has obvious synergistic effect. After 7 days of application, the control effect of 30% chlorpyrifos-profenofos 540g / ha on the leaf miner was 92.9%.