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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Euphytica 27 (1978), S. 241-266 
    ISSN: 1573-5060
    Keywords: Tissue culture ; variation ; clone plant breeding ; mutagens
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary This literature review suggests a novel approach to intra-clonal plant improvement which will utilize both the natural and induced variation associated with clonally propagated plants through various in vitro and in vivo procedures. Many plants obtained in this manner will be of single-cell origin and, hence, of pure mutant type avoiding the traditional chimerism phenomena of mutation breeding studies. While such a system of plant breeding is not intended to replace conventional breeding methods for most crops, it may have special use for the plant breeder who is working with crops which are unique, highly-adapted, or in which the sexual apparatus is disturbed.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Euphytica 32 (1983), S. 351-360 
    ISSN: 1573-5060
    Keywords: Rubus laciniatus ; thornless blackberry ; brambles ; tissue culture ; chimera ; in vitro ; breeding ; mutation ; variation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary ‘Thornless Evergreen’ blackberry (Rubus laciniatus Willd.) is a periclinal chimera in which the epidermis has mutated to a thornless phenotype while the internal portions of the plant possess the wild thorny genotype. Shoot tips were used to establish a source of experimental material. Nine hundred plants of ‘Thornless Evergreen’ were proliferated and rooted in vitro in an effort to locate a chimeral rearrangement and/or a pure thornless plant. When these tissue culture propagated plants were grown in the greenhouse, two predominant plant types were observed; about 53% of the propagules showed a normal vining growth habit while the other 47% of the plants were dwarfed due to shortened internodes. Adventitious shoots from isolated root segments of the normal plants were thorny, while those from many of the dwarfed plants had developed from epidermal cells of the parent. Such plants of epidermal origin are no longer chimeral but are of pure thornless genotype.
    Type of Medium: Electronic Resource
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