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一、我省历年小麦条锈菌生理小种类型、组成及消长动态1957年以来,我省小麦条锈菌生理小种出现过8个类型,即条中1号、8号、9号、10号、13号、17号、18号、19号等。其中出现频率较高,直接引起抗锈良种丧失抗锈性的有条中1号、8号、10号、17号和19号等5个小种。它们在自然界的竞争中曾发生过4次重大变化: 第一次从1957-1962年,流行小种以条中1号为主,条中8号次之。据1957、1959、1960年在太原、太谷、长治、稷山、运城、平陆、临猗等地鉴定结果,多属条中1号小种。1962年条中1号出现频率为61%,条中8号为30.6%。
First, the province over the years wheat stripe rust races types, composition and dynamics of growth Since 1957, the province wheat stripe rust races there have been eight types, namely Article 1, 8, 9, 10 No. 13, No. 17, No. 18, No. 19, etc. Among them, there are five races, such as No.1, No.8, No.10, No.17 and No.19, which have a high frequency and directly cause the loss of rust resistance of the anti-rust seed. They have undergone four major changes in nature’s competition: the first from 1957 to 1962, the prevalence of races to Article 1 in the main, Article 8 times. According to 1957, 1959 and 1960 in Taiyuan, Taigu, Changzhi, Jishan, Yuncheng, Pinglu, Linqu and other places identification results, mostly in the first races. The frequency of occurrence of No.1 in 1962 was 61%, and that of No. 8 in the article was 30.6%.