小麦条锈病是由小麦条锈菌Puccinia striiformis f.sp.tritici引起的叶部病害,在我国多地冬麦区暴发流行,损失巨大。目前,小麦条锈菌生理小种CYR32、CYR33和Su11-4等为优势流行小种(韩德俊,2010);此外,在四川毒性和致病性更强的V26已渐成新的优势小种(任勇等,2014),当前小麦生产面临严重威胁,积极寻找小麦条锈病新抗源,选育 Wheat stripe rust is a leaf disease caused by the wheat stripe rust Puccinia striiformis f.sp.tritici, and it has a huge loss in many winter wheat areas in our country. At present, the wheat stripe rust races CYR32, CYR33 and Su11-4 are the predominant races (Han Dejun, 2010). In addition, V26, which is more virulent and pathogenic in Sichuan, has become a new dominant races Ren Yong et al., 2014), the current wheat production is facing serious threats and actively seek new sources of resistance to wheat stripe rust, breeding