这次“全国农作物病虫危害损失及防治指标学术讨论会”开的是成功的。病虫综合防治新概念的重要组成部分是:从经济效益和生态效益,考虑,要求将病虫发生数量控制在造成经济损失水平以下。绝非“有虫必治。”显然,通过对农作物病虫危害造成农产品量和质的损失精确的研究, The “Symposium on the National Crop Disease and Pest Damage Loss Prevention and Control Index” opened successfully. An important part of the new concept of integrated pest management is: Considering the economic and ecological benefits, it is required that the quantity of pests and diseases be controlled below the level causing economic losses. By no means “must rule wormwood.” Obviously, through the precise study of the amount of agricultural products and the loss of quality caused by pests and diseases of crops,