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Inheritance and allelism of brown midrib trait introgressed in agronomically promising backgrounds in pearl millet (Pennisetum glaucum (L.) R. Br.)

Author

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  • Shashi Kumar Gupta

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

  • Ponnaiah Govintharaj

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

Abstract

The lignin content of forage crops significantly affects the livestock's forage intake and its dry matter digestibility. The brown midrib (bmr) trait is known for its association with a reduced lignin content and increased digestibility. Pearl millet inbreds having the bmr trait were derived from two populations ICMV bmr and WRajPop bmr via continued selfing up to 6-8 generations. The results from the crosses revealed the presence of the same single recessive gene that controlled the bmr in both the populations. The stable expression of the bmr gene in the new genetic background indicated that there was no effect of modifier genes. Four inbreds were identified with the stable expression of bmr (three in ICMV 155 and one in the WRajPop background) with a high biomass potential, which can serve as a bmr source in future pearl millet forage breeding programmes.

Suggested Citation

  • 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.
    • Handle: RePEc:caa:jnlcjg:v:59:y:2023:i:3:id:93-2022-cjgpb
    DOI: 10.17221/93/2022-CJGPB
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    References listed on IDEAS

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    1. 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.
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    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.

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