Breeding Value of Accessions of Species Taeniatherum caput-medusae (L.) Nevski and Heteranthelium piliferum (Banks et Sol.) Hochst.
Keywords:
Heteranthelium piliferum; resistance; Taeniatherum caput-medusaeAbstract
The use of wide hybridization as a tool of classical breeding allows for the transfer of valuable genes between wild and cultivated phylogenetically distant species. This method is used to create new and to improve existing varieties in crops from tribus Triticae. There are many hybrids and amphidiploid forms between wheat species Triticum sp. and representatives of the genera Secale, Aegilops, Dasypyrum, Agropyron, Elytrigia, Leymus. Certain phylogenetically distant species of the same group have valuable genes which could be transfered into the wheat species. To determine the breeding value of wild plant forms in tribus Triticae, four accessions of the species Taeniatherum caput-medusae and one accession of Heteranthelium piliferum, were studied on their morphological and physiological characteristics. Both are characterized by complete resistance to pathogens of powdery mildew, brown and yellow rust and leaf blight early, making them a potential initial material for breeding programs of wheat species.
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