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本文报道油桐尺蠖核型多角体病毒(简称BsNPV),用人工散布在茶园中引起油桐尺蠖幼虫患病死亡。并在使用过BsNPV的茶园中作连续调查,观察油桐尺蠖核型多角体病毒在油桐尺蠖种群中的持效和扩散途径,结果证明:施用BsNPV后三个月乃至一年,使油桐尺蠖幼虫死亡率达94～63.8％。油桐尺蠖成虫所产的卵在扫描电镜下观察可见到多角体附着在卵的表面。
In this paper, Tritrophilla japonicum nuclear polyhedrosis virus (referred to as BsNPV), artificial dispersal in the tea plantation caused by tilapia larvae mortality. The results showed that after three months or even one year after the application of BsNPV, Larvae larvae mortality rate of 94 ~ 63.8%. The eggs produced by taraxacum mongolicum can be observed on the surface of eggs by scanning electron microscopy.