树干注药防治意杨叶面害虫的试验研究

Test and Study on Control of Foliar Pests in Italian Poplar with Pesticide Injection in Stem

摘要:

在意杨树干基部钻眼，注射持效期长、杀虫谱广的有机磷农药久效磷，经其木质部的导管、管胞输送到叶片，通过胃毒作用杀死意杨叶面害虫，效果好、持续时间长。

Abstract:

An organo phosphorous pesticide-monocrophos that has long persistent effect period and broad-spectrum insecticidal activity was injected into Italian poplar stem through the bored hole in basal part. It was transported to leaves through vessel and tracheid in xylems and killed foliar pests in Italian poplar through action by stomach poison. That has good result and long duration.