Developing stable progenies of ×Brassicoraphanus, an intergeneric allopolyploid between Brassica rapa and Raphanus sativus, through induced mutation using microspore culture.

Abstract excerpt

Induced mutations were used to improve the low seed fertility of an intergeneric allopolyploid, 'Baemoochae,' ×Brassicoraphanus, synthesized following hybridization between Brassica rapa and Raphanus sativus. The mutagen N-methyl-N-nitroso-urethane (NMU) was added to microspore cultures. Four lines of nine in the Mi(2) generation showed very high fertility under controlled pollination. The progeny lines (Mi(3))...

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