Male sterility in tobacco (Nicotiana tabacum L.) obtained by means of one-step substitution of cytoplasm from the species Nicotiana eastii Kostoff

Berbec, J.; Berbec, A.

Pamietnik Puawski 100: 135-139


Accession: 002427373

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Three male-sterile plants were found in the progeny from a cross between N. eastii (as maternal parent) and N. tabacum. Backcrossing these plants to N. tabacum gave an entirely male-sterile progeny, the male sterility therefore being cytoplasmic. The phenotypic effects of N. eastii cytoplasm included shortened corolla and conversion of protruding stigma and anthers into stigmatoid and petaloid structures.