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Genetic diversity of wild, weedy and cultivated forms of brassica rapa

Heredity, ISSN: 1365-2540, Vol: 74, Issue: 5, Page: 491-496
1995
  • 12
    Citations
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    Usage
  • 13
    Captures
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    Mentions
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Metrics Details

  • Citations
    12
    • Citation Indexes
      12
  • Captures
    13

Article Description

Restriction Fragment Length Polymorphisms (RFLPs) were used to study the genetic diversity within and between accessions of ‘wild’ and cultivated B. rapa. Two of the wild accessions were likely to be escapes from cultivation because of their geographical origins (Argentina and California). The nature of the other three wild accessions (from Turkey, Algeria and Sicily) was not known. Principal components analysis placed the Argentinian, Californian and Turkish accessions within a cluster which contained all the cultivated forms of B. rapa. The other two B. rapa accessions were genetically divergent and, on the basis of their RFLP genotypes, would have been considered to be more distant from the cultivated forms of B. rapa than accessions of B. nigra and B. montana. The implications of these results for germplasm conservation, selection of material for breeding programmes and phylogenetic studies on the origin of Brassica crops are discussed. © 1995 The Genetical Society of Great Britain.

Bibliographic Details

R. Mithen; J. H. Crouch; D. J. Lydiate; B. G. Lewis

Springer Science and Business Media LLC

Biochemistry, Genetics and Molecular Biology; Medicine

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