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The introduction of alien genes or chromosome fragments from wild related species into wheat(Triticum spp.)has been considered valuable for wheat breeding(Valkoun,2001).Several relatives,such as Secale cereale(Gupta and Shepherd,1993;Ma et al.,2000),Thinopyrum elongatum(Liu et al.,2008),Th.intermedium(Cao et al.,2014)and Th.ponticum(Li et al.,2008)showed distinct applications of introgression of interesting genes or traits into wheat.However,there are still some challenges in using these genetic resources.The
The introduction of alien genes or chromosome fragments from wild related species into wheat (Triticum spp.) Has been considered valuable for wheat breeding (Valkoun, 2001). Food relatives, such as Secale cereale (Gupta and Shepherd, 1993; Ma et al. , Thinopyrum elongatum (Liu et al., 2008), Th. Intermedium (Cao et al., 2014) and Th. Ponticum (Li et al., 2008) showed distinct applications of introgression of interesting genes or traits into wheat There are still some challenges in using these genetic resources