Discovery of a novel cytoplasmic male-sterility and its restorer lines in radish (Raphanus sativusL.)
โ Scribed by Young-Pyo Lee; Suhyung Park; Chaewan Lim; Hyojung Kim; Heerae Lim; YoungSoon Ahn; Soon-Kee Sung; Moo-Kyoung Yoon; Sunggil Kim
- Publisher
- Springer
- Year
- 2008
- Tongue
- English
- Weight
- 654 KB
- Volume
- 117
- Category
- Article
- ISSN
- 0040-5752
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Research has been carried out on identification of maintainers for cytoplasmic-genetic male sterile lines in Japanese and European radish, on the mode of inheritance of male sterility and on the effect of environmental factors on the expression of this character. In a Japanese radish population and
To determine the origin of Ogura male sterile cytoplasm in radish (Raphanus sativus L.), wild and cultivated radishes were crossed. Three types of progeny resulted from the F1 hybrids between the wild radish from 'Kushikino' with Ogura-type mtDNA and the cultivars ('Uchiki-Gensuke' or 'Comet'). The
Cultivars of T. aestivum crossed onto two lines with male sterility induced by the cytoplasm of T. timopheevi gave a high level of restoration in the F1 generation. The ratio of fertile to sterile plants segregating in the F2 generation was consistent with that expected for a single dominant restore
Co-segregation studies of isozyme markers and male fertility restoration showed that a restorer gene from radish was introduced into rapeseed along with an isozyme marker (Pgi-2). The radish chromosome segment carrying these genes was introgressed into rapeseed through homoeologous recombination, su