Molecular mapping of stripe rust resistance gene YrCH42 in Chinese wheat cultivar Chuanmai 42 and its allelism with Yr24 and Yr26. - Li GQ; Li ZF; Yang WY; Zhang Y; He ZH; Xu SC; Singh RP; Qu YY; Xia XC (TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2006)