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鉴于秆锈病的危险性,经常观察登记生理小种和报道它们的变化,是多数产麦国研究机关的一项重要工作。通过这项工作,可对主要麦区出现频率最高的小种和它们变化的速度作出结论。
Given the risk of stem rust, the frequent observation of registered race species and the reporting of their changes are an important part of the work of the majority of wheat research institutes. Through this work, conclusions can be drawn about the races that have the highest frequency of occurrence in the main barns and the rate of their change.