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桃小食心虫是我省苹果、梨和山楂树的、重要害虫。生产上主要靠化学农药控制。过去多使用高毒或高残毒农药,引起了环境污染和杀伤天敌等副作用。我们于1987～1988年,从中国农科院生防室昆虫病原线虫组引入新线虫优化种
Peach mung bean worm is an apple, pear and hawthorn in our province, an important pest. Production mainly rely on chemical pesticide control. In the past, the use of highly toxic or highly-legged pesticides caused side effects such as environmental pollution and natural enemies. We from 1987 to 1988, from the Chinese Academy of Agricultural Sciences Pest Control Entomopathogenic nematode group introduced new nematode species