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Basic studies on hybrid wheat breeding : VIII. A new male sterility-fertility restoration system in common wheat utilizing the cytoplasms of Aegilops kotschyi and Ae. variabilis

Mukai, Y.; Tsunewaki, K.

Tag. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik 54(4): 153-160

1979


ISSN/ISBN: 0040-5752
PMID: 24310337
DOI: 10.1007/bf00263045
Accession: 000603424

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Twelve hexaploid varieties and lines were used to pollinate Ae. kotschyi and Ae. variabilis. The Aegilops cytoplasms were found to confer male sterility on plants having hexaploid nuclei from Triticum aestivum 'Salmon', T. spelta var. duhamelianum and T. macha var. subletschchumicum. These cytoplasms did not adversely affect agronomic traits and compared favourably in this respect with T. timopheevii. F1 hybrids between common wheat, in kotschyi or variabilis cytoplasm, and other varieties had normal fertility. Fertility restoration was found to be controlled by a dominant gene, Rfv1, in hybrids between the two Aegilops species and the T. spelta variety.

Basic studies on hybrid wheat breeding : VIII. A new male sterility-fertility restoration system in common wheat utilizing the cytoplasms of Aegilops kotschyi and Ae. variabilis

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