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农业生产责任制调动了千家万户的生产积极性,农业生产出现了新局面。但由于农家自留种子多了起来,又放松了种子处理工作;肥料和水的使用量也有大幅度增加,因此麦类黑穗病、纹枯病、白粉病、霜霉病以及赤霉病都有上升,必须引起充分注意。几种病害的发生情况黑穗病五十年代推行石灰水浸种后,黑穗病的损失由原来的20％左右下降到0.05％以下。但近两年以来,不少地区黑穗病回升极为迅速。1984年5月,我们在5个乡的30块小麦田调查结果,病穗率在1％以上的有9块,其中2％以上的有6块,最高达11.2％。撒播
The responsibility system for agricultural production has mobilized the enthusiasm of tens of thousands of households and a new situation has emerged in agricultural production. However, due to the increase in the number of self-sustaining seeds in the farms, the seed treatment has also been relaxed. The use of fertilizers and water has also increased significantly. Therefore, smut, sheath blight, powdery mildew, downy mildew and scab Rise, must pay full attention. Occurrence of several diseases smut After the promotion of lime soaking in the 1950s, the loss of smut decreased from about 20% to less than 0.05%. However, in recent two years, the smut recovery in many areas has been extremely rapid. In May 1984, we surveyed 30 wheat fields in 5 townships. There were 9 cases with an incidence of disease panicles above 1%, of which 6 were above 2% and up to 11.2%. Broadcasting