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应用30%甲维.毒死蜱可湿性粉剂进行了防治水稻六(4)代纵卷叶螟田间小区药效试验,结果表明:该药剂速效性较好,药后3 d防效即达到60%以上,稳定性、持效性也较优良,建议虫害一般发生年份用量60 g/667 m2,中等以上发生年份用量80 g/667 m2以上或进行二次用药。
The experiment of pesticide efficacy on controlling rice six (4) generations of rice leafroller was carried out with 30% carbaryl chlorpyrifos WP. The results showed that the pesticide was quick and effective, and the control efficiency reached 60% after 3 days , Stability and persistence is also relatively good, it is recommended that pests generally occur in the amount of 60 g / 667 m2, medium or above the annual amount of 80 g / 667 m2 or more for secondary medication.