2005•Xi'nan nongye xuebaoRequires access

Postulation of resistance genes to stripe rust in common wheat cultivars from Sichuan province.

Xia XianQuan, Yao Ge, Liu ZhengDe, Yong-Chun Niu

Abstract

Seedlings of 32 common wheat cultivars from Sichuan province were inoculated with 26 selected different isolates of Puccinia striiformis to postulate stripe rust resistance genes.The results indicated that Yr 2 presented in at least 7 cultivars, Yr 9 in 4 cultivars,Yr A, Yr Sel or Yr 15 in individual cultivars and unknown resistance gene combinations in other cultivars. The data also indicated that none of the cultivars was resistant to all the 26 isolates.

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Key concepts: Cultivar, Puccinia striiformis, Stripe rust, Biology, Rust (programming language), Inoculation, Resistance (ecology), Gene