论文部分内容阅读
在晚稻第 6代稻纵卷叶螟低龄幼虫发生盛期选用 18%抗虫灵水剂、 50 %虫杀手可湿性粉剂、 2 5%杀手乳油、 4 0 %多灭光乳油和 18%杀虫双水剂进行防治试验。试验结果抗虫灵防效最优 ,药后 1d防效达84 .3% ,药后 4 d防效仍达 86 .7% ,与对照药剂杀虫双的防效相当 ;其次是 2 5%杀手乳油和 50 %虫杀手可湿性粉剂。在生产上建议每 6 6 6 .7m2用 18%抗虫灵水剂 2 0 0 ml,或 2 5%杀手乳油 4 5ml防治稻纵卷叶螟。与 18%杀虫双水剂轮换使用
In the sixth generation of late rice leafroller larvae of the low-peak occurrence of larvae occurred when the selection of 18% anti-worm spirit agent, 50% worm killer WP, 25% killer cream, 40% Double agent for prevention and control test. The results showed that the anti-insect effect was the best. The control efficacy reached 84.3% on the 1st day after drug treatment and reached 86.7% on the 4th day after drug treatment. The control efficacy was comparable to that of the control insecticide. The second was 25% Killer cream and 50% worm killer wettable powder. In production, it is recommended that every 6 6 6 .7m2 be controlled by 18% insect-proofing agent 200ml, or 25% killer cream 45ml. Use with 18% pesticide double water agent