【摘 要】
：
近年来在农业生产上,一种新型药剂推广应用不几年,就逐渐被淘汰。农药使用寿缩短,更新换代频繁;已经被控制了的病虫害,再度猖獗危害;一些偶发性次要病虫现上升为常发性重要
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近年来在农业生产上,一种新型药剂推广应用不几年,就逐渐被淘汰。农药使用寿缩短,更新换代频繁;已经被控制了的病虫害,再度猖獗危害;一些偶发性次要病虫现上升为常发性重要病虫。病虫害对杀虫剂、杀菌剂的抗性发展加快,如何治理抗性,确保基层植保工作和农业生产的可持续发展,已成为当前和今后一段时期内必须认真思考对待的一个重要问题。一、抗性产生的因素1、长期使用单一农药防治某种痛虫。如本地连续10多年使用杀虫单防治
In recent years, in agricultural production, a new type of pharmaceutical promotion and application of a few years, it will gradually be eliminated. Pesticides have shortened lifespan and frequent replacement; pests that have already been controlled are once again rampant; some occasional minor pests now rise to the most important pests. Pest and disease resistance to pesticides and bactericides has been accelerating. How to control resistance and ensure the sustainable development of grassroots plant protection and agricultural production have become an important issue that must be seriously considered and dealt with at present and for some time in the future. First, the factors of resistance 1, long-term use of a single pesticide to control some kinds of pain and pest. If the local continuous use of pest control for more than 10 years
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