化学防治作为烟草病虫害的一种常用的有效防治方法之一，在防病增产，提高烟叶质量上起到了积极的作用。但近些年来，由于农药的生产和流通领域存在着诸如无证农药、伪劣农药、以次充好等问题，以及农民缺乏对农药的合理使用知识，乱用药，滥用药，导致了在烟草生产中出现... As one of the commonly used and effective control methods for tobacco pests and diseases, chemical control has played a positive role in disease prevention and yield enhancement and tobacco leaf quality improvement. However, in recent years, due to problems such as unlicensed pesticides, counterfeit pesticides, shoddy pesticides, and poor farmers’ knowledge of the rational use of pesticides, indiscriminate use of drugs and abuse of drugs, pesticide production and circulation have led to the development of tobacco production Appear ...