〔美国《科学》1976年191卷4229期836页报道〕美国国家科学院研究委员会最近警告说,由于化学防治虫害可能受到挫折而威胁到未来的农业生产力.国家利学院研究委员会主席指出,下列三方面会影响化学防治技术的效果. 1.很多目标昆虫出现了遗传的抗药性,自25年前发现家蝇具有抗谪谪涕的性能以来,又有200种其他的昆虫也有抗药 〔科学 1976 年 1976 卷 4229 期 836 页 报告〕 The National Academy of Sciences Research Committee recently warned that the future of agricultural productivity may be threatened by the possible setbacks of chemical pest control.The chairman of the National Institute of Technology Research Institute pointed out that the following three aspects Will affect the effectiveness of chemical control technologies.1 Many target insects have developed genetic resistance and since the housefly was found to have anti-tuberculosis properties 25 years ago, another 200 other insects have also been resistant