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Present and future of quantitative trait locus analysis in plant breeding

Plant Breeding, ISSN: 0179-9541, Vol: 121, Issue: 4, Page: 281-291
2002
  • 227
    Citations
  • 0
    Usage
  • 361
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    227
    • Citation Indexes
      224
    • Policy Citations
      3
      • Policy Citation
        3
  • Captures
    361

Review Description

The joint analysis of genotype marker segregation and phenotypic values of individuals or lines enables the detection and location of loci affecting quantitative traits (QTL). The availability of DNA markers and powerful biometric methods has led to considerable progress in QTL mapping in plants. The most obvious applications of QTL analysis seem to be marker-assisted selection (MAS) in breeding and pre-breeding and QTL cloning. However, other areas are envisaged where QTL analysis can contribute decisively. These are: the understanding of complex traits such as plant-pathogen interaction; plant genomics, connecting proteins and regulatory elements of known functions to QTL by candidate gene analysis; and germplasm enhancement through a characterization that allows its efficient utilization. The success in all these applications depends primarily on the reliability and accuracy of the QTL analysis itself. Therefore, the discussion of its limitations will constitute an important part of this review.

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