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  • 1
    Electronic Resource
    Electronic Resource
    The relationship between genotypes of three Brassica species and collections oi Plasmodiophora brassicae (1983)
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 32 (1983), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Internationally collected data concerned with variation for pathogenicity in Plasmodiophora brassicae and for clubroot resistance in three Brassica species, together with additional experimental evidence, were used to elucidate the major genetic features of this host-parasite relationship. The major components of resistance in B. campestris and B. napus were differential and xobahly oligogenic. Good agreement was found between the data and simple gene-for-gene schemes. In contrast, the major component of resistance in most B. oleracea genotypes appeared to be non-differential and there was evidence of pathogen variability for non-differential pathogenicity. A strong association between pathogenicity on any resistant B. campestris genotype and on all resistant B. napus genotypes was apparent, suggesting the possibility of genes in common. There was evidence that P. brassicae collections carrying certain characters for differential pathogenicity on these two species were less pathogenic on B. oleracea. However, there was no ether evidence of pathogenic specialization to a particular host species. Several analytical procedures were employed which may prove useful in clarifying the important features of other host-parasite combinations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3059.1983.tb02855.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Metal complexes in detergent analysis: the crystal structure of bis (ethylenediamine)bis(dodecylsulphato)copper(II) (1977)
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 33 (1977), S. 3194-3197 
    Details
    ISSN: 1600-5740
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0567740877010528
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    The effect of boron on tipburn and auxin activity in lettuce
    Amsterdam : Elsevier
    Scientia Horticulturae 5 (1976), S. 215-226 
    Details
    ISSN: 0304-4238
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0304-4238(76)90085-6
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Genotypic and environmental effects on the maturity time of autumn cauliflowers (1976)
    Springer
    Theoretical and applied genetics 47 (1976), S. 133-140 
    Details
    ISSN: 1432-2242
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Twelve genotypes representing a wide range of autumn cauliflower were grown in two seasons from six seedling propagation treatments in three sequential sowings. Genotypes differed in their mean time of maturity and spread of maturity, and in their sensitivity to environment for these characters. Those genotypes derived from self-incompatible stocks showed greater stability than those from self-compatible stocks. In particular, a National Vegetable Research Station breeding line ‘KC’ revealed outstanding stability and is thus a potential new variety. The best environments for discriminating between genotypes were those which gave the least check to early growth.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00274942
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  • 5
    Electronic Resource
    Electronic Resource
    Curd grafting as an aid to cauliflower breeding (1974)
    Springer
    Euphytica 23 (1974), S. 114-120 
    Details
    ISSN: 1573-5060
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Genetic improvements of autumn cauliflower have been impeded by difficulties in seedling plants selected from the field. A technique for grafting cauliflower curd portions on to young pot-grown plants in order that seed could be obtained has been described (Watts & George, 1963) but has found little favour because of its unreliability. Experiments are described which indicate that the use of more suitable stock plants and a systemic fungicide increase the reliability of the technique.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00032749
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Breeding system, taxonomy, and breeding strategy in cauliflower, Brassica oleracea var. botrytis L.) (1977)
    Springer
    Euphytica 26 (1977), S. 369-375 
    Details
    ISSN: 1573-5060
    Keywords: Cauliflower ; Brassica oleracea var. botrytis ; incompatibility ; heterosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Cauliflowers representing those maturing in Britain in autumn, winter and spring were assessed for self-compatibility by self-pollen tube growth. A tendency existed for groups taking longer to mature to be more self-incompatible, but a range of incompatibilities was apparent in all groups. These results complement those of other workers. It is argued that despite demonstrable heterosis within many groups of cauliflowers, radical advances are probably best made by selecting self-compatible material from annual × biennial hybrid populations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00026997
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  • 7
    Electronic Resource
    Electronic Resource
    The use of an evolutionary scheme for cauliflowers in the screening of genetic resources (1982)
    Springer
    Euphytica 31 (1982), S. 725-734 
    Details
    ISSN: 1573-5060
    Keywords: Brassica oleracea var. ; botrytis ; cauliflower ; evolution ; resistance ; Plasmodiophora brassicae ; clubroot ; Delia radicum ; cabbage root fly ; genetic resources
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary A hypothetical scheme is given for the evolution of the different types of cauliflower (Brassica oleracea var. botrytis L.). This has been useful in identifying sources of reduced susceptibility to cabbage root fly (Delia radicum (L.)), and may also be useful in the search for reduced susceptibility to clubroot (Plasmodiophora brassicae Woron.). It is argued that knowledge of the phylogeny of types within each crop species is of great importance in the exploitation of genetic resources.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00039211
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    The use of aseptic meristem culture in cauliflower breeding (1974)
    Springer
    Euphytica 23 (1974), S. 305-313 
    Details
    ISSN: 1573-5060
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary The upper surface of the cauliflower curd consists of a mass of apical meristems. These would normally develop into flowers, but if devernalised they revert to the vegetative phase and develop into leafy shoots. This property is being exploited by aseptically culturing portions of the curd in order to generate clones of selected material.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00035872
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    A mutation affecting curd colour in cauliflower (Brassica oleracea L. var. Botrytis DC) (1975)
    Springer
    Euphytica 24 (1975), S. 173-176 
    Details
    ISSN: 1573-5060
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary A single gene mutation in cauliflower resulted in the production of an orange coloured curd when heterozygous, and a stunted orange curd when homozygous. The orange heterozygote has commercial potential.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00147182
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  • 10
    Electronic Resource
    Electronic Resource
    Improved selection against the purple colour defect of cauliflower curds (1975)
    Springer
    Euphytica 24 (1975), S. 177-180 
    Details
    ISSN: 1573-5060
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Purple colourations of the cauliflower curd detract from the commercial value of the crop. Curds were found to develop purple colourations when in aseptic nutrient culture, and this was correlated with their inherent tendencies to form purple curds in the field as revealed by a progeny test. It was advocated that selection against the defect in the field should be supported by assessment in culture.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00147183
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