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对25%噻嗪酮·异丙威乳油与对照25%噻嗪酮可湿性粉剂和20%异丙威乳油防治稻飞虱进行药效试验对比,评价试验药剂25%噻嗪酮·异丙威乳油对稻飞虱的防治效果,确定适宜用量及其安全性。试验结果表明,药剂25%噻嗪酮·异丙威乳油对稻飞虱有较好的防治效果。该药对水稻生长安全,对其他有益生物未见药害。建议使用25%噻嗪酮·异丙威乳油有效成分468.75~562.5 g·hm-2,于稻飞虱若虫发生盛期对水600 L粗水喷雾。
The efficacy test of 25% buprofezin isoprenaline EC and control 25% buprofezin WP and 20% isoprenaline EC against planthoppers was evaluated. The test medicament 25% buprofezin isoproxil EC on planthopper control effect, to determine the appropriate amount and safety. The test results showed that the 25% buprofezin and isoprenaline EC had good control effects against planthoppers. The drug is safe for rice growth and shows no phytotoxicity to other beneficial organisms. Proposed to use 25% buprofezin isoprenaline EC active ingredient 468.75 ~ 562.5 g · hm-2, during the bloom of rice planthoppers nymphs on the water 600 L crude water spray.