在林木害虫防治工作中,特别对待发生面积大,来势凶猛易成灾的松毛虫,采用化学农药防治确实是急救的手段之一。相比之下生物防治略有逊色,而生物防治的优越性化学防治又无可比拟。对此,笔者依据工作中的体会,谈几点看法,以供参考。 1 充分认识有益生物对松毛虫的抑制作用 过去,人们对自然界生物之间相互依存 In the prevention and treatment of forest pests, special treatment of large areas, ferocious and easily affected pine caterpillars, the use of chemical pesticides prevention and treatment is indeed one of the first aid. In contrast, biological control slightly less, and the superiority of biological control of chemical control and unparalleled. In this regard, the author based on the experience of work, talk a few comments for reference. 1 fully aware of beneficial organisms on the pine caterpillar inhibitory effect In the past, people on the nature of interdependence between organisms