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  • 1
    Electronic Resource
    Electronic Resource
    Inheritance of callus formation ability in anther cultures of rice, Oryza sativa L. (1985)
    Springer
    Theoretical and applied genetics 70 (1985), S. 113-116 
    Details
    ISSN: 1432-2242
    Keywords: Microspore ; Anther culture ; Callus formation ; Diallel analysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Inheritance of ability to form callus in rice anther culture was studied using the diallel technique. Anthers containing uninucleate microspores from two japonica cultivais (‘Minehikari’ and ‘Taipei 309’), two indica cultivars (‘Mingolo’ and ‘Suweon 290’), and 12 F1's of the diallel crosses involving these four parents were cultured on Chaleffs R2 medium and evaluated for callus induction. The parents showed significant differences in anther callus formation, from 41.9% (‘Taipei 309’) to 0% (‘Suweon 290’). Callus induction ability was inherited as a recessive character conditioned by a single block of genes. Additive gene effects were predominant. The japonica types seemed to be good combiners for callus induction. The order of dominance among the four parents was ‘Suweon 290’, ‘Mingolo’, ‘Minehikari’ and ‘Taipei 309’.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00275308
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Camalexin induction in intertribal somatic hybrids between Camelina sativa and rapid-cycling Brassica oleracea (1999)
    Springer
    Theoretical and applied genetics 98 (1999), S. 164-170 
    Details
    ISSN: 1432-2242
    Keywords: Key words Intertribal somatic hybrids ; Brassica ; Camelina sativa ; Alternaria ; Camalexin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract   Camelina sativa, a wild relative of Brassica crops, is virtually immune to blackspot disease caused by Alternaria brassicicola. Intertribal somatic hybrids were produced between C. sativa and rapid-cycling Brassica oleracea as a step toward the transfer of resistance to this disease into Brassica vegetable crops. The plants recovered were confirmed as somatic hybrids by flow cytometry and RAPD analysis. All hybrids showed a morphology intermediate between the two parents. Rooted plants grew in soil up to 4–5 weeks, and some produced sterile flowers. Two of three hybrids tested showed a high level of resistance to  A. brassicicola. Resistance was correlated with the induction of high levels of the phytoalexin camalexin 48 h after inoculation, as in the resistant Camelina fusion partner. In contrast, susceptible somatic hybrids produced much lower levels of camalexin.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001220051053
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    Paper (German National Licenses)
    Fulltext
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