American Journal of Agriculture and Forestry

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Screening Wheat Genotypes for Coleoptile Length: A Trait for Drought Tolerance

Received: 30 September 2014    Accepted: 15 October 2014    Published: 30 October 2014
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Abstract

The study was conducted during Rabi season of 2013-14 at the Wheat Research Centre (WRC), Bangladesh Agricultural Research Institute (BARI), Dinajpur. Thirty wheat genotypes including local control BARI Gom 26 were evaluated in split-split plot design having two replications with irrigation in the main plot, seeding depth in a sub-plot and genotype was in sub-sub-plot. The main objective of this study was to evaluate new exotic lines against drought, with emphasis on coleoptile length under Bangladeshi conditions, and to identify drought tolerant germplasm. To measure potential coleoptile length (CL), disease free, healthy, uniform seeds were sown in wooden trays with sandy soil in a temperature controlled room at 200 degree days (20o c X 10 days). The genotypes were evaluated for yield, and yield components i.e., plant establishment, plant height (cm), spikes per m2, grains per Spike, 1000-grain weight (g) and visual grain quality. Selection of genotypes was based on Schneider’s stress severity index (SSSI), yield under drought condition and coleoptiles length. Deep seeding over normal seeding had a significant effect on yield and the yield components, as did water stress. The interaction of the two factors showed that seeding depth causes more yield loss than irrigation. More traits showed significant relationships in deep seeding conditions than normal conditions, meaning that there is greater scope for screening wheat using sowing depth. Based on higher negative value of SSSI and higher yield in deep sowing conditions the genotypes G 16, G 13, G 12, G 24, G 2, G 18, G 19 and G 3 were primarily selected for drought tolerance and will be evaluated further for advanced studies. These genotypes also have longer coleoptiles ranging from 7.4 to 10.5 cm.

DOI 10.11648/j.ajaf.20140206.11
Published in American Journal of Agriculture and Forestry (Volume 2, Issue 6, November 2014)
Page(s) 237-245
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This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Wheat, Drought Tolerance, Deep Sowing, Coleoptile Length, Irrigation, Index

References
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Author Information
  • Wheat Research Centre, BARI, Nashipur, Dinajpur-5200, Bangladesh

  • Wheat Research Centre, BARI, Nashipur, Dinajpur-5200, Bangladesh

  • Wheat Research Centre, BARI, Nashipur, Dinajpur-5200, Bangladesh

  • Regional Wheat Research Centre, BARI, Joydebpur, Gazipur-1701, Bangladesh

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    Md. Farhad, Md. Abdul Hakim, Md. Ashraful Alam, N. C. D. Barma. (2014). Screening Wheat Genotypes for Coleoptile Length: A Trait for Drought Tolerance. American Journal of Agriculture and Forestry, 2(6), 237-245. https://doi.org/10.11648/j.ajaf.20140206.11

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    Md. Farhad; Md. Abdul Hakim; Md. Ashraful Alam; N. C. D. Barma. Screening Wheat Genotypes for Coleoptile Length: A Trait for Drought Tolerance. Am. J. Agric. For. 2014, 2(6), 237-245. doi: 10.11648/j.ajaf.20140206.11

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    Md. Farhad, Md. Abdul Hakim, Md. Ashraful Alam, N. C. D. Barma. Screening Wheat Genotypes for Coleoptile Length: A Trait for Drought Tolerance. Am J Agric For. 2014;2(6):237-245. doi: 10.11648/j.ajaf.20140206.11

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  • @article{10.11648/j.ajaf.20140206.11,
      author = {Md. Farhad and Md. Abdul Hakim and Md. Ashraful Alam and N. C. D. Barma},
      title = {Screening Wheat Genotypes for Coleoptile Length: A Trait for Drought Tolerance},
      journal = {American Journal of Agriculture and Forestry},
      volume = {2},
      number = {6},
      pages = {237-245},
      doi = {10.11648/j.ajaf.20140206.11},
      url = {https://doi.org/10.11648/j.ajaf.20140206.11},
      eprint = {https://download.sciencepg.com/pdf/10.11648.j.ajaf.20140206.11},
      abstract = {The study was conducted during Rabi season of 2013-14 at the Wheat Research Centre (WRC), Bangladesh Agricultural Research Institute (BARI), Dinajpur. Thirty wheat genotypes including local control BARI Gom 26 were evaluated in split-split plot design having two replications with irrigation in the main plot, seeding depth in a sub-plot and genotype was in sub-sub-plot. The main objective of this study was to evaluate new exotic lines against drought, with emphasis on coleoptile length under Bangladeshi conditions, and to identify drought tolerant germplasm. To measure potential coleoptile length (CL), disease free, healthy, uniform seeds were sown in wooden trays with sandy soil in a temperature controlled room at 200 degree days (20o c X 10 days). The genotypes were evaluated for yield, and yield components i.e., plant establishment, plant height (cm), spikes per m2, grains per Spike, 1000-grain weight (g) and visual grain quality. Selection of genotypes was based on Schneider’s stress severity index (SSSI), yield under drought condition and coleoptiles length. Deep seeding over normal seeding had a significant effect on yield and the yield components, as did water stress. The interaction of the two factors showed that seeding depth causes more yield loss than irrigation. More traits showed significant relationships in deep seeding conditions than normal conditions, meaning that there is greater scope for screening wheat using sowing depth. Based on higher negative value of SSSI and higher yield in deep sowing conditions the genotypes G 16, G 13, G 12, G 24, G 2, G 18, G 19 and G 3 were primarily selected for drought tolerance and will be evaluated further for advanced studies. These genotypes also have longer coleoptiles ranging from 7.4 to 10.5 cm.},
     year = {2014}
    }
    

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  • TY  - JOUR
    T1  - Screening Wheat Genotypes for Coleoptile Length: A Trait for Drought Tolerance
    AU  - Md. Farhad
    AU  - Md. Abdul Hakim
    AU  - Md. Ashraful Alam
    AU  - N. C. D. Barma
    Y1  - 2014/10/30
    PY  - 2014
    N1  - https://doi.org/10.11648/j.ajaf.20140206.11
    DO  - 10.11648/j.ajaf.20140206.11
    T2  - American Journal of Agriculture and Forestry
    JF  - American Journal of Agriculture and Forestry
    JO  - American Journal of Agriculture and Forestry
    SP  - 237
    EP  - 245
    PB  - Science Publishing Group
    SN  - 2330-8591
    UR  - https://doi.org/10.11648/j.ajaf.20140206.11
    AB  - The study was conducted during Rabi season of 2013-14 at the Wheat Research Centre (WRC), Bangladesh Agricultural Research Institute (BARI), Dinajpur. Thirty wheat genotypes including local control BARI Gom 26 were evaluated in split-split plot design having two replications with irrigation in the main plot, seeding depth in a sub-plot and genotype was in sub-sub-plot. The main objective of this study was to evaluate new exotic lines against drought, with emphasis on coleoptile length under Bangladeshi conditions, and to identify drought tolerant germplasm. To measure potential coleoptile length (CL), disease free, healthy, uniform seeds were sown in wooden trays with sandy soil in a temperature controlled room at 200 degree days (20o c X 10 days). The genotypes were evaluated for yield, and yield components i.e., plant establishment, plant height (cm), spikes per m2, grains per Spike, 1000-grain weight (g) and visual grain quality. Selection of genotypes was based on Schneider’s stress severity index (SSSI), yield under drought condition and coleoptiles length. Deep seeding over normal seeding had a significant effect on yield and the yield components, as did water stress. The interaction of the two factors showed that seeding depth causes more yield loss than irrigation. More traits showed significant relationships in deep seeding conditions than normal conditions, meaning that there is greater scope for screening wheat using sowing depth. Based on higher negative value of SSSI and higher yield in deep sowing conditions the genotypes G 16, G 13, G 12, G 24, G 2, G 18, G 19 and G 3 were primarily selected for drought tolerance and will be evaluated further for advanced studies. These genotypes also have longer coleoptiles ranging from 7.4 to 10.5 cm.
    VL  - 2
    IS  - 6
    ER  - 

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