目前国内“一喷三防”类的药物较多，但很多产品质量难以保证，为筛选出优质农药品种，我们于1996年选择了几种小麦田专用“一喷三防”类农药进行试验、示范。结果表明安徽省农科院植保所研制生产的“50％一喷三防”综合效果最为理想，它具有“一喷多防（防虫、防病、防灾）、 At present, there are many kinds of drugs such as “one spray and three defenses” in the country, but many products are difficult to guarantee in quality. In order to select high-quality pesticide varieties, in 1996, we selected several kinds of pesticides, demonstration. The results showed that the combined effect of “50% one spray and three defenses” developed and produced by Plant Protection Institute of Anhui Academy of Agricultural Sciences was the most ideal. It had the advantages of "one spray more prevention (pest control, disease prevention and disaster prevention)