特杀螟防治稻纵卷叶螟田间药效试验

Field Trial Report of Teshaming against Cnaphaloc rocis medinalis

田间药效试验结果表明 ,特杀螟 (5 5 %杀单·苏可湿性粉剂 ) 80g/ 6 6 7m2 对稻纵卷叶螟防治效果较好 ,为 74 .5 %～ 89.5 % ,持效期 3～ 5d ,防效显著高于 18%杀虫双水剂 30 0ml/ 6 6 7m2 的 6 5 .2 %～ 6 9.8%。

The result of the field trial indicated:Teshaming (55%monosultap·Bacillus thuringiensisc WP) at 80g/667m2 showed a good effect against Cnaphalocrocis medinalis,the control effect was 74.5%～ 89.5%,obviously higher than that of 18% bisultap AS at 300ml/667m2,and the persistent period was 3～5days.