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Utilization of Molecular Marker Based Genetic Diversity Patterns in Hybrid Parents to Develop Better Forage Quality Multi-Cut Hybrids in Pearl Millet

Author

Listed:
  • Govintharaj Ponnaiah

    (Tamil Nadu Agricultural University, Coimbatore 641 003, Tamil Nadu, India
    International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Patancheru 502 324, Hyderabad, Telangana, India)

  • Shashi Kumar Gupta

    (International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Patancheru 502 324, Hyderabad, Telangana, India)

  • Michael Blümmel

    (International Livestock Research Institute (ILRI), Patancheru 502 324, Hyderabad, Telangana, India)

  • Maheswaran Marappa

    (Tamil Nadu Agricultural University, Coimbatore 641 003, Tamil Nadu, India)

  • Sumathi Pichaikannu

    (Tamil Nadu Agricultural University, Coimbatore 641 003, Tamil Nadu, India)

  • Roma Rani Das

    (International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Patancheru 502 324, Hyderabad, Telangana, India)

  • Abhishek Rathore

    (International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Patancheru 502 324, Hyderabad, Telangana, India)

Abstract

Genetic diversity of 130 forage-type hybrid parents of pearl millet was investigated based on multiple season data of morphological traits and two type of markers: SSRs (Simple sequence repeats) and GBS identified SNPs (Genotyping by sequencing-Single nucleotide polymorphism). Most of the seed and pollinator parents clustered into two clear-cut separate groups based on marker based genetic distance. Significant variations were found for forage related morphological traits at different cutting intervals (first and second cut) in hybrid parents. Across two cuts, crude protein (CP) varied from 11% to 15%, while in vitro organic matter digestibility (IVOMD) varied from 51% to 56%. Eighty hybrids evaluated in multi-location trial along with their parents for forage traits showed that significant heterosis can be realized for forage traits. A low but positive significant correlation found between SSR based genetic distance (GD between parents of hybrid) and heterosis for most of the forage traits indicated that SSR-based GD can be used for predicting heterosis for GFY, DFY and CP in pearl millet. An attempt was made to associate marker-based clusters with forage quality traits, to enable breeders select parents for crossing purposes in forage breeding programs.

Suggested Citation

  • Govintharaj Ponnaiah & Shashi Kumar Gupta & Michael Blümmel & Maheswaran Marappa & Sumathi Pichaikannu & Roma Rani Das & Abhishek Rathore, 2019. "Utilization of Molecular Marker Based Genetic Diversity Patterns in Hybrid Parents to Develop Better Forage Quality Multi-Cut Hybrids in Pearl Millet," Agriculture, MDPI, vol. 9(5), pages 1-21, May.
    • Handle: RePEc:gam:jagris:v:9:y:2019:i:5:p:97-:d:228010
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    Citations

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    Cited by:

    1. Shashi Kumar Gupta & Ponnaiah Govintharaj & Ruchika Bhardwaj, 2022. "Three-Way Top-Cross Hybrids to Enhance Production of Forage with Improved Quality in Pearl Millet ( Pennisetum glaucum (L.) R. Br.)," Agriculture, MDPI, vol. 12(9), pages 1-13, September.
    2. Shashi Kumar Gupta & Ponnaiah Govintharaj, 2023. "Inheritance and allelism of brown midrib trait introgressed in agronomically promising backgrounds in pearl millet (Pennisetum glaucum (L.) R. Br.)," Czech Journal of Genetics and Plant Breeding, Czech Academy of Agricultural Sciences, vol. 59(3), pages 176-187.

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