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Inheritance of frost resistance and winter hardiness in distant hybrids of wheat and amphiploids

Motsnyi I.I., Koval’ T.N., Lyfenko S.F.

 




The data on inheritance of frost resistance and winter hardiness of bread wheat lines obtained as a result of distant hybridization of wheat-rye and wheat-elymus amphiploids with durum and bread wheat were presented. It was shown that selection of the donors of valuable traits is sensible to make in later progenies of hybrids (F6-F7). So, it is possible to obtain the new initial breeding material for winter bread wheat selection with high frost tolerance, winter hardiness and early maturity. Hypotheses explaining the high frost resistance of hybrids are presented. The crosses of the octoploid amphiploids with durum wheat are more preferable for the alien traits introgression into wheat than the crosses with bread wheat.

Tsitologiya i Genetika 2000, vol. 34, no. 6, pp. 9-20



Motsnyi I.I., Koval’ T.N., Lyfenko S.F. Inheritance of frost resistance and winter hardiness in distant hybrids of wheat and amphiploids, Tsitol Genet., 2000, vol. 34, no. 6, pp. 9-20.




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