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自从碧蚂1号对条锈病的抵抗性发生变异以后(由免疫型变成感染型),植病工作者和选种工作者都很重视这一问题。我们在本刊1956年第10期曾作过一次报导,为了了解变异发生的范围和研究变异发生的原因,今年春季曾在陕西的武功、泾阳、河南洛阳、百泉、河北的邯郸、石家庄、北京等地作调查,并在温室中进行接种试验,兹就所得资料作初步的分析和讨论。一变异的范围根据西北农科所的资料,今年碧蚂1号在陕西全省及甘肃的南部和东部都普遍地感染了条锈病,以我们到过的武功、泾阳和西安而言,发病确极普遍而且
Since Bi-1’s resistance to stripe rust has changed (from immunotypes to infections), both plantation workers and seed selection workers value this issue. We reported in the 10th issue of the journal of 1956 that in order to know the scope of the mutation and the reasons for the variation, we conducted a series of experiments in the spring of this year, including the martial arts in Shaanxi, Jingyang in Henan, Luoyang in Baiquan, Handan in Hebei, Shijiazhuang, Beijing and other places for investigation, and vaccination in the greenhouse test, the information obtained for the initial analysis and discussion. The scope of a mutation According to the Northwest Institute of Agricultural Sciences this year Bi Ma 1 throughout the province of Shaanxi and Gansu in southern and eastern parts are generally infected with stripe rust, to the martial arts we have been, Jing Yang and Xi’an, the incidence Very popular and