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近二十年来,由于合成杀虫剂的发展,使害虫防除工作发生了很大变化,在农林业生产上发挥了巨大的作用;但也由于合成杀虫剂不正确的滥用乱用的结果,引起了一系列的问题。同时由于杀虫剂的效力强大,所以人们对生物防除在综合防除中的作用也有一些不正确的估计,引起了—些争论。现就害虫生物防除的若干问题,略述我个人的意见,以求正于读者。
In the recent two decades, due to the development of synthetic insecticides, great changes have taken place in pest control and have played a great role in the production of agriculture and forestry. However, due to improper abuse of synthetic insecticides, indiscriminate use has resulted in A series of questions. At the same time, due to the powerful effects of pesticides, there are some incorrect estimates of the role of biological control in comprehensive prevention and control, causing some controversy. Now on the pest biological control of a number of issues, outlined my personal opinion, in order to positive readers.