小麦品种慢叶锈性在美国已研究二十多年,我国近年也开始了研究,本研究针对小麦慢叶锈性,根据定量接种和定量观察的结果,分析和提出了有关问题的初步结论。首先,对20多个小麦品种按不同发病情况分成快锈、中快、中慢、和慢锈四组,观察记载慢叶锈组 The leaf rust of wheat has been studied for more than 20 years in the United States. In our country, the research has also been started in recent years. According to the results of quantitative inoculation and quantitative observation, this study analyzed and proposed some preliminary conclusions about the problem. First of all, more than 20 wheat cultivars were divided into four groups: fast rust, medium fast, medium slow, and slow rust according to different incidences.