摘要
选用氧乐果、甲拌磷、氧乐氰菊、劲丹4种内吸性杀虫剂,分别采用树干喷药法、刺皮喷药法、刺皮包扎法、削皮包扎法等4种处理方法对杨干象进行了防治试验.结果表明,对于树干低位(2 m以下)杨干象的防治,在药剂中氧乐果和劲丹的药效好,分别达95.13％和94.31％,在处理方法中刺皮喷药法的平均药效最好,达97.23％;对于树干高位(2 m以上)杨干象的防治,用氧乐果和劲丹药剂,采取刺皮包扎法的平均药效都在90％以上.
Four inner-absorbed insecticides which were omethoate, phorate, Yangleqingju, Jin-dan and four methods which were spraying drug on the trunk, spraying drug after pricking bark, binding up after pricking around and binding up after husking the bark were used to control the Cryptorrhynchus Lapathi L. . The results showed that the controlling effect of omethoate and jindan on the insect which were below the trunk of 2 m could reach 95. 13 % and 94. 31 % , better than that of others . The method of spraying drug after pricking had the best effect which could reach 97.23% . The average effect of omethoate, Jindan or binding up after husking the bark on the Cryptorrhynchus lapathi L. over the trunk of 2 m could reach more than 90 % .
出处
《延边大学农学学报》
2004年第4期273-276,共4页
Agricultural Science Journal of Yanbian University
基金
延边大学基金资助项目(2000第20号)
关键词
杨干象
药剂防治
药效
<Keyword>Cryptorrhynchus iapathi L.
chemical control
pesticide effect
