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作 者 ：李文杰,邬承先,柴承佑,王翠莲,周佳淼,孙友学,郑荣保

期 刊 ：林业科学研究 1992年 9卷 6期 页码：722-726

关键词：杨树；灭幼脲；天牛；食叶害虫；

Keywords:Poplar, dimilin, longhorn beetle, defoliator,

摘 要 ：杨树生长迅速,繁殖容易,适生范围广,为北方平原造林的主要树种,近年来已发展到长江中下游地区,已列为我国速生丰产林基地建设的重要树种。但各地栽植的杨树普遍遭到蛀干和食叶害虫的严重危害,在防治上,由于这两类害虫食性各异,为探索使用一种药剂既对人畜无害又可防治蛀干害虫兼治食叶害虫,我们于1986、1987、1990年多次使用灭幼脲Ⅲ号进行室内外实验，获得了成功。

Abstract:Dimilin is a kind of anti-moulting pheromone,which does not harm to human beings,animals and the environment.Spray of 1 000 times Dimilin to control the adults of longhorn beetles in the emergence peroid on a large scale can reduce the amount of eggs by 21%,reduce the hatching rate by 26% and reduce the number of young larvae by 55%.Besides,the spray can also reduce the number of Clostera anachoreta and C.anastomosis etc.in the forest.One spray is valid for 20~30 days,which is economic and easy to carry out.Dosage for 1 ha is 300~450g and the expense for 1 ha is 9~10.5 yuan.

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