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The inheritance of flower colour and vegetative characters in Rubus coreanus

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Summary

Dominant genes An 1 for pink flower colour and Br 1 and Br 2 controlling branching of the canes in Rubus coreanus are described. In an F1 progeny and in first backcrosses to red raspberry, some seedlings inherited the ability of R. coreanus to form up to three accessory buds per node. Polygenic systems controlling spine number and spine size are described, number and size being positively correlated. It is postulated that the greater size of spines of h (glabrous-caned) plants is due to linkage of a block of size-controlling genes with the H locus. The greater number of spines of H (hairy-caned) plants is attributed to a pleiotropic effect of the H allele. A new type of dwarf, ‘cauli-flower’, which occurred in the F1 and some first backcross progenies, is described.

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Authors and Affiliations

  1. East Malling Research Station, Maidstone Kent, England

    Elizabeth Keep, Victoria H. Knight & Jill H. Parker

Authors
  1. Elizabeth Keep
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  2. Victoria H. Knight
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  3. Jill H. Parker
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Keep, E., Knight, V.H. & Parker, J.H. The inheritance of flower colour and vegetative characters in Rubus coreanus . Euphytica 26, 185–192 (1977). https://doi.org/10.1007/BF00032083

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  • DOI: https://doi.org/10.1007/BF00032083

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