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Genetic variability for aluminium tolerance in sunflower (Helianthus annuus L.)

Author

Listed:
  • Vivek Kumar Singh

    (Department of Genetics and Plant Breeding, College of Agriculture, CCS Haryana Agricultural University, Hisar, Haryana, India)

  • Subhash Chander

    (Department of Genetics and Plant Breeding, College of Agriculture, CCS Haryana Agricultural University, Hisar, Haryana, India)

  • Ram Kumar Sheoran

    (Department of Genetics and Plant Breeding, College of Agriculture, CCS Haryana Agricultural University, Hisar, Haryana, India)

  • Anu

    (Department of Genetics and Plant Breeding, College of Agriculture, CCS Haryana Agricultural University, Hisar, Haryana, India)

  • Om Parkash Sheoran

    (Department of Mathematics and Statistics, College of Basic Sciences and Humanities, CCS Haryana Agricultural University, Hisar, Haryana, India)

  • Ana Luisa Garcia-Oliveira

    (Excellence in Breeding (EiB), CIMMYT c/o ICRAF, Nairobi, Kenya
    Department of Molecular Biology, Biotechnology and Bioinformatics, College of Basic Sciences and Humanities, CCS Haryana Agricultural University, Hisar, Haryana, India)

Abstract

Breeding for aluminium (Al) tolerance is a vital approach for enhancing the productivity of field crops in acidic soil regions where Al toxicity seems to be the most restraining factor for crop performance. Sunflower is generally considered extremely sensitive to Al toxicity; although no comprehensive information on the evaluation of sunflower genotypes for Al tolerance is available. In this study, 50 sunflower genotypes (set-I and set-II) were evaluated for Al tolerance at the seedling stage under hydroponic conditions. Substantial genetic variability in Al tolerance was observed among the studied genotypes. High estimates of heritability were obtained for both the total root length (TRL) and root regrowth (RRG), together with high estimates of genetic advance. A cluster analysis separated the genotypes into five different groups among the studied germplasm, the genotypes; NDLR-06 and EC-601861 were observed to be highly Al tolerant in terms of root regrowth under Al stress. In conclusion, the findings lreveal the complex mechanisms of Al tolerance in sunflower and may help to find new genetic resource for the improvement of Al tolerance in sunflower breeding.

Suggested Citation

  • Vivek Kumar Singh & Subhash Chander & Ram Kumar Sheoran & Anu & Om Parkash Sheoran & Ana Luisa Garcia-Oliveira, 2022. "Genetic variability for aluminium tolerance in sunflower (Helianthus annuus L.)," Czech Journal of Genetics and Plant Breeding, Czech Academy of Agricultural Sciences, vol. 58(4), pages 201-209.
    • Handle: RePEc:caa:jnlcjg:v:58:y:2022:i:4:id:110-2021-cjgpb
    DOI: 10.17221/110/2021-CJGPB
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    Cited by:

    1. Hawi Negusse & Teklehaimanot Haileselassie & Mulatu Geleta & Kassahun Tesfaye, 2023. "Untapped Genetic Resources for Breeding Acidic Soil-Adapted Chickpea ( Cicer arietinum L.) Cultivars," Agriculture, MDPI, vol. 13(11), pages 1-13, November.

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