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Molecular characterization of Fusarium head blight resistance from wheat variety Wangshuibai

Euphytica, ISSN: 0014-2336, Vol: 139, Issue: 1, Page: 59-64
2004
  • 66
    Citations
  • 0
    Usage
  • 42
    Captures
  • 1
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    66
    • Citation Indexes
      66
  • Captures
    42
  • Mentions
    1
    • News Mentions
      1
      • News
        1

Most Recent News

Identification of novel QTL for resistance to Fusarium head blight in a tetraploid wheat population

  Introduction            Fusarium head blight (FHB) is an important fungal disease in durum wheat (Triticum turgidum L var. durum) that reduces grain yield, negatively impacts end-use

Article Description

Fusarium head blight (FHB) is a destructive disease of wheat worldwide. FHB resistance genes from Sumai 3 and its derivatives such as Ning 7840 have been well characterized through molecular mapping. In this study, resistance genes in Wangshuibai, a Chinese landrace with high and stable FHB resistance, were analyzed through molecular mapping. A population of 104 F-derived F recombinant inbred lines (RILs) was developed from the cross between resistant landrace Wangshuibai and susceptible variety Alondra's'. A total of 32 informative amplified fragment length polymorphism (AFLP) primer pairs (EcoRI/MseI) amplified 410 AFLP markers segregating among the RILs. Among them, 250 markers were mapped in 23 linkage groups covering a genetic distance of 2,430 cM. In addition, 90 simple sequence repeat (SSR) markers were integrated into the AFLP map. Fifteen markers associated with three quantitative trait loci (QTL) for FHB resistance (P < 0.01) were located on two chromosomes. One QTL was mapped on 1B and two others were mapped on 3B. One QTL on 3BS showed a major effect and explained up to 23.8% of the phenotypic variation for type II FHB resistance. © 2004 Kluwer Academic Publishers.

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