摘要
2008年选择了四种杀虫剂进行了防治水稻二化螟、稻纵卷叶螟的田间药剂试验,结果显示:20%康宽(CoregenTM)150ml/hm2防效最好,其杀虫、保穗和保叶效果均超过95%,50%灵蛙1200ml/hm2、20%解千愁1350ml/hm2,15%阿维毒1800ml/hm2防治效果也较理想,其杀虫、保穗和保叶作用分别达90%左右,4种新型杀虫剂的防治效果显著优于常规药剂——90%杀虫单sp(900g/hm2)18%杀虫双(3000g/hm2),在试验剂量下,4种杀虫剂对水稻的正常生长无影响,安全性好。
Four different types of insecticides were suppressalis and Cnaphalocrocis medinalis .The results results and 50% Ling Wa EC ande 20% Jie qian ehou They all showed no damage on rice growth . steted on their controlling effects on Chllo showed that 20% Coregen TM gave the best EC and 15% A wei du also gave good effects.
关键词
水稻
杀虫剂
二化螟
稻纵卷叶螟
防治方法
Rice
insecticide
chilo suppressalis
cnaphalocrocis medinalis
control methods.
