摘要
1996～ 1 998年 ,在浙江省金华市市区对危害雪松的红蜡蚧进行了药剂防治试验。试验研究采用喷雾不同的药剂品种及不同的药剂质量浓度 ,在喷后 7d和 1 4d分别进行药效检查。结果显示 ,不同处理之间其药效结果差异较大。在若虫孵化盛期前用 4 0 %氧化乐果乳油 4 37mg·L-1,2 67mg·L-1及 35 %快克乳剂 4 37mg·L-1和 2 67mg·L-1喷雾 ,虫口减退率均达80 %以上 ,用 0 6%阿维菌素乳剂 2 4mg·L-1喷雾效果不理想。氧化乐果和快克是防治红蜡蚧较为理想的药剂。表 3参
Chemical control of Ceroplastes rubens damaged Cedrus deodara was made in Jinhua urban district of Zhejiang Province during 1996～1998.The results revealed that there was a great deal of difference in control effectiveness after spraying different insecticides and different densities.Control of Ceroplastes rubens could be made at the initial nymph stage by spraying tree crowns with 437 mg·L -1 and 267 mg·L -1 of omethoate 40 EC or 437 mg·L -1 and 267 mg·L -1 of omethoate buprosezin 35EC,resulting in more than 80% of the nymph being killed.
出处
《浙江林学院学报》
CSCD
2000年第1期59-62,共4页
Journal of Zhejiang Forestry College
基金
浙江省教育委员会资助项目 !( 96 113 9)
