陇南山区是小麦条锈病常发、早发、易变区,锈菌生理小种变异相当频繁,很多良种在这里不到几年就丧失了抗锈性。去年在小麦条锈中度流行的情况下,我社首次用“粉锈宁”(西德进口的25％可湿粉剂)防锈2252亩(小区试验和大区试验同时进行),取得了很好的效果,一般防效高达90％以上,保产效果为14.1-19.9 Longnan Mountain is a frequent occurrence of wheat stripe rust, early hair, variable area, rust races species races quite frequently, many of the elite in here less than a few years on the loss of rust resistance. Last year, with the prevalence of wheat stripe rust, our company first used 2252 mu of rust (25% wettable powder imported from West Germany) for rust prevention (a district trial and a large area trial were conducted simultaneously) for the first time and achieved very good Effect, the general anti-efficiency as high as 90% or more, the yield effect of 14.1-19.9