楝科植物对害虫的忌避、拒食、触杀作用和抑制昆虫生长发育等,赵善欢等几年来已经进行了不少研究和报导。植物性杀虫剂,对害虫不易产生抗药性,对人畜安全,污染环境少,对天敌较安全。本试验进行了三种楝科植物油对稻螟赤眼蜂卵期的毒性,为评价这类植物性农药的使用价值提供依据。 Meliaceae plants on the avoidance of pests, antifeedant, contact kill and inhibit insect growth and development, Zhao Huan Huan and so on a few years has carried out a lot of research and reports. Botanical insecticides, pests are not easy to produce resistance, human and animal safety, less polluting environment, more natural enemies. In this study, the toxicity of three species of Meliaceae plant to the Trichogramma ostriniae eggs was studied in order to provide basis for evaluating the value of the botanical pesticides.