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关中渭河流域稻麦区,部分麦田近年春季连续出现麦苗黄叶现象。周至县农科所于1974年在该县黑河灌区推广品种官村1号麦田发现麦苗黄叶现象,并从品种和栽培措施方面进行了一些观察调查试验。1978年春季发病盛期,我们到周至县发病严重的马村、群力和营东等大队进行调查,根据当地历年麦田发病表现典型条纹花叶症状,发病后期出现症状明显减轻,小麦品种间抗病性程度差异极其显
Guanzhong Weihe River rice and wheat area, part of the wheat field in recent years, a continuous emergence of wheat yellow leaves phenomenon. Zhouzhi County Institute of Agricultural Sciences in 1974 to promote the Heihe Irrigation District in the area of the number of varieties of a village of wheat, Guanzhuang 1 yellow discoloration was found, and from the species and cultivation measures conducted some observations survey. In the spring of 1978, at the height of its onset, we went to investigate the serious mosaic diseases such as Macun, Qunli and Yingdong in Zhouzhi County. According to the typical striped mosaic symptoms in the wheat fields in the past years, the symptom was significantly reduced in the late stage of the disease. The difference in the degree of illness is extremely significant