Physiology and Molecular Biology of Plants

, Volume 24, Issue 5, pp 909–920 | Cite as

QTL mapping for some grain traits in bread wheat (Triticum aestivum L.)

  • Supriya Kumari
  • Vandana Jaiswal
  • Vinod Kumar Mishra
  • Rajneesh Paliwal
  • Harindra Singh Balyan
  • Pushpendra Kumar GuptaEmail author
Research Article


Grain traits are important agronomic attributes with the market value as well as milling yield of bread wheat. In the present study, quantitative trait loci (QTL) regulating grain traits in wheat were identified. Data for grain area size (GAS), grain width (GWid), factor form density (FFD), grain length-width ratio (GLWR), thousand grain weight (TGW), grain perimeter length (GPL) and grain length (GL) were recorded on a recombinant inbred line derived from the cross of NW1014 × HUW468 at Meerut and Varanasi locations. A linkage map of 55 simple sequence repeat markers for 8 wheat chromosomes was used for QTL analysis by Composite interval mapping. Eighteen QTLs distributed on 8 chromosomes were identified for seven grain traits. Of these, five QTLs for GLWR were found on chromosomes 1A, 6A, 2B, and 7B, three QTLs for GPL were located on chromosomes 4A, 5A and 7B and three QTLs for GAS were mapped on 5D and 7D. Two QTLs were identified on chromosomes 4A and 5A for GL and two QTLs for GWid were identified on chromosomes 7D and 6A. Similarly, two QTLs for FFD were found on chromosomes 1A and 5D. A solitary QTL for TGW was identified on chromosome 2B. For several traits, QTLs were also co-localized on chromosomes 2B, 4A, 5A, 6A, 5D, 7B and 7D. The QTLs detected in the present study may be validated for specific crosses and then used for marker-assisted selection to improve grain quality in bread wheat.


Quantitative trait loci Grain traits Molecular markers Linkage map 



The authors like to thank The Head, Department of Genetics and Plant Breeding, CCS University (Meerut, India) for providing facilities. PKG and HSB were each awarded the position of INSA Senior Scientist. PKG was also awarded a National Academy of Sciences India (NASI) Senior Scientist Platinum Jubilee Fellowship during the tenure of this research work. SK and VJ each were awarded a JRF/SRF in research projects sanctioned by the Department of Biotechnology, Government of India, New Delhi. Primer aliquots for 17 SSRs provided by Dr. M.S Röder, Leibniz Institute of Plant Genetics and Crop Plant Research, Gatersleben, Germany, is gratefully acknowledged.

Supplementary material

12298_2018_552_MOESM1_ESM.docx (17 kb)
Supplementary material 1 (DOCX 17 kb)


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Copyright information

© Prof. H.S. Srivastava Foundation for Science and Society 2018

Authors and Affiliations

  • Supriya Kumari
    • 1
  • Vandana Jaiswal
    • 1
    • 2
  • Vinod Kumar Mishra
    • 3
  • Rajneesh Paliwal
    • 4
  • Harindra Singh Balyan
    • 1
  • Pushpendra Kumar Gupta
    • 1
    Email author
  1. 1.Molecular Biology Laboratory, Department of Genetics and Plant BreedingCh. Charan Singh UniversityMeerutIndia
  2. 2.School of Life ScienceJawaharlal Nehru UniversityNew DelhiIndia
  3. 3.Department of Genetics and Plant Breeding, Institute of Agricultural SciencesBanaras Hindu UniversityVaranasiIndia
  4. 4.International Institute of Tropical Agriculture (IITA)IbadanNigeria

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