小麦三锈在晴隆、普安冷凉山区都有发生,但以叶锈和杆锈为主。关于秋播麦苗锈病菌源和锈菌能否在当地越夏的问题,尚缺乏研究。据78年省农科院对我省小麦锈病发生规律的研究中提出“我省南部低温地区叶锈是否可以越夏”和“杆锈病菌能否在高寒地区越夏的问题,尚待进一步查明”。为此,我们于79年7～11月对位于省南部的晴、普 Tri-rust wheat in Qinglong, Pu’an cold mountainous areas have occurred, but the rust and rust mainly rust. On autumn sowing wheat rust sources and rust bacteria can be in the summer, the problem is still lacking. According to the 1978 Provincial Academy of Agricultural Sciences on the law of wheat rust in our province proposed “the southern region of the cold leaf rust can be more summer” and “rod rust bacteria in the alpine region, the summer issue, pending further investigation Bright”. For this reason, we located in Qinghai-Pu, a province located in the south of the province from July to November of 1979