Tropical Plant Biology

, Volume 9, Issue 2, pp 109–116 | Cite as

Fine Mapping of qDor7, a Major QTL Affecting Seed Dormancy in Sorghum (Sorghum bicolor (L.) Moench)

  • Pan Li
  • Emma S. Mace
  • Yan Guo
  • Lijie Han
  • Mumu Wang
  • Yanfang He
  • Jun Chen
  • Nana Yuyama
  • David R. Jordan
  • Hongwei Cai


Seed dormancy is a key domestication trait for major crops, which is acquired in long-term systems development processes and enables the survival of plants in adverse natural conditions. It is a complex trait under polygenic control and is affected by endogenous and environmental factors. In the present study, a major seed dormancy QTL in sorghum (Sorghum bicolor (L.) Moench), qDor7, detected previously, was fine mapped using a large, multi-generational population. The qDor7 locus was delimited to a 96-kb region which contains 16 predicted gene models. These results lay a solid foundation for cloning qDor7. In addition, the functional markers tightly linked to the seed dormancy QTL may be used in marker-assisted selection for seed dormancy in sorghum.


Sorghum Seed dormancy QTL Fine mapping Candidate gene 

Supplementary material

12042_2016_9169_MOESM1_ESM.pptx (52 kb)
Fig. S1 Two-D plot of seed germination ratio at 30 and 90 day-test. (PPTX 51 kb)
12042_2016_9169_MOESM2_ESM.docx (37 kb)
Fig. S2 Graphic genotype of the F2 individual 10LP-85 which used to generate the F3 mapping population. (DOCX 36 kb)
12042_2016_9169_MOESM3_ESM.docx (45 kb)
ESM 3 (DOCX 44.9 kb)


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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  • Pan Li
    • 1
    • 2
  • Emma S. Mace
    • 3
  • Yan Guo
    • 1
    • 2
  • Lijie Han
    • 1
    • 2
  • Mumu Wang
    • 1
    • 2
  • Yanfang He
    • 1
    • 2
  • Jun Chen
    • 1
    • 2
  • Nana Yuyama
    • 4
  • David R. Jordan
    • 5
  • Hongwei Cai
    • 1
    • 2
    • 4
  1. 1.Department of Plant Genetics, Breeding and Seed Science, College of Agronomy and BiotechnologyChina Agricultural UniversityBeijingChina
  2. 2.Beijing Key Laboratory of Crop Genetic Improvement and GenomeMinistry of AgricultureBeijingChina
  3. 3.Department of Agriculture and Fisheries (DAF)WarwickAustralia
  4. 4.Forage Crop Research InstituteJapan Grassland Agricultural and Forage Seed AssociationTochigiJapan
  5. 5.Queensland Alliance for Agriculture and Food InnovationThe University of QueenslandWarwickAustralia

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