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Sorghum as a Model Crop for Drought Stress Tolerance

Received: 4 August 2023     Accepted: 23 August 2023     Published: 8 September 2023
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Abstract

Sorghum is one of the most significant C4 cereal crops grown in dry and semi-arid regions of the world. It is a major staple crop for millions of people in Sub-Saharan Africa and South Asia. Drought is an important constraint on agricultural production and productivity around the world. It has a significant impact on plant growth, development, and yields. Drought stress risks food security by having a substantial impact on sorghum growth and development, grain yields, and nutritional quality. Sorghum has become known as a drought-tolerant model crop when compared with many other crops. Its ability to withstand extreme environmental conditions makes it a feasible model crop for studying abiotic stress responses and developing stress-tolerant crops. Sorghum response and/or tolerance mechanisms include morphological, physiological, and molecular changes. Drought stress tolerance mechanisms in sorghum include drought escape, early flowering, stay-green, drought avoidance, leaf area, osmotic adjustment, stomata-mediated drought responses, cuticular wax production, root characteristics, and drought tolerance. Biotechnology and its advanced approaches, such as QTL, marker-assisted backcrossing, genetic engineering, and others, are used for screening drought-tolerant genotypes that can withstand drought stress. Therefore, focusing on the drought-tolerant genotypes will boost the speed of the sorghum breeding program, which will feed millions of people worldwide, particularly in Sub-Saharan Africa.

Published in Advances in Bioscience and Bioengineering (Volume 11, Issue 3)
DOI 10.11648/j.abb.20231103.14
Page(s) 54-65
Creative Commons

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), 2023. Published by Science Publishing Group

Keywords

Drought, Drought Tolerance, Grain Yield, Sorghum, Stay-Green

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    Mulatu Gidi. (2023). Sorghum as a Model Crop for Drought Stress Tolerance. Advances in Bioscience and Bioengineering, 11(3), 54-65. https://doi.org/10.11648/j.abb.20231103.14

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    Mulatu Gidi. Sorghum as a Model Crop for Drought Stress Tolerance. Adv. BioSci. Bioeng. 2023, 11(3), 54-65. doi: 10.11648/j.abb.20231103.14

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    Mulatu Gidi. Sorghum as a Model Crop for Drought Stress Tolerance. Adv BioSci Bioeng. 2023;11(3):54-65. doi: 10.11648/j.abb.20231103.14

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  • @article{10.11648/j.abb.20231103.14,
      author = {Mulatu Gidi},
      title = {Sorghum as a Model Crop for Drought Stress Tolerance},
      journal = {Advances in Bioscience and Bioengineering},
      volume = {11},
      number = {3},
      pages = {54-65},
      doi = {10.11648/j.abb.20231103.14},
      url = {https://doi.org/10.11648/j.abb.20231103.14},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.abb.20231103.14},
      abstract = {Sorghum is one of the most significant C4 cereal crops grown in dry and semi-arid regions of the world. It is a major staple crop for millions of people in Sub-Saharan Africa and South Asia. Drought is an important constraint on agricultural production and productivity around the world. It has a significant impact on plant growth, development, and yields. Drought stress risks food security by having a substantial impact on sorghum growth and development, grain yields, and nutritional quality. Sorghum has become known as a drought-tolerant model crop when compared with many other crops. Its ability to withstand extreme environmental conditions makes it a feasible model crop for studying abiotic stress responses and developing stress-tolerant crops. Sorghum response and/or tolerance mechanisms include morphological, physiological, and molecular changes. Drought stress tolerance mechanisms in sorghum include drought escape, early flowering, stay-green, drought avoidance, leaf area, osmotic adjustment, stomata-mediated drought responses, cuticular wax production, root characteristics, and drought tolerance. Biotechnology and its advanced approaches, such as QTL, marker-assisted backcrossing, genetic engineering, and others, are used for screening drought-tolerant genotypes that can withstand drought stress. Therefore, focusing on the drought-tolerant genotypes will boost the speed of the sorghum breeding program, which will feed millions of people worldwide, particularly in Sub-Saharan Africa.},
     year = {2023}
    }
    

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  • TY  - JOUR
    T1  - Sorghum as a Model Crop for Drought Stress Tolerance
    AU  - Mulatu Gidi
    Y1  - 2023/09/08
    PY  - 2023
    N1  - https://doi.org/10.11648/j.abb.20231103.14
    DO  - 10.11648/j.abb.20231103.14
    T2  - Advances in Bioscience and Bioengineering
    JF  - Advances in Bioscience and Bioengineering
    JO  - Advances in Bioscience and Bioengineering
    SP  - 54
    EP  - 65
    PB  - Science Publishing Group
    SN  - 2330-4162
    UR  - https://doi.org/10.11648/j.abb.20231103.14
    AB  - Sorghum is one of the most significant C4 cereal crops grown in dry and semi-arid regions of the world. It is a major staple crop for millions of people in Sub-Saharan Africa and South Asia. Drought is an important constraint on agricultural production and productivity around the world. It has a significant impact on plant growth, development, and yields. Drought stress risks food security by having a substantial impact on sorghum growth and development, grain yields, and nutritional quality. Sorghum has become known as a drought-tolerant model crop when compared with many other crops. Its ability to withstand extreme environmental conditions makes it a feasible model crop for studying abiotic stress responses and developing stress-tolerant crops. Sorghum response and/or tolerance mechanisms include morphological, physiological, and molecular changes. Drought stress tolerance mechanisms in sorghum include drought escape, early flowering, stay-green, drought avoidance, leaf area, osmotic adjustment, stomata-mediated drought responses, cuticular wax production, root characteristics, and drought tolerance. Biotechnology and its advanced approaches, such as QTL, marker-assisted backcrossing, genetic engineering, and others, are used for screening drought-tolerant genotypes that can withstand drought stress. Therefore, focusing on the drought-tolerant genotypes will boost the speed of the sorghum breeding program, which will feed millions of people worldwide, particularly in Sub-Saharan Africa.
    VL  - 11
    IS  - 3
    ER  - 

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Author Information
  • Ethiopian Institute of Agricultural Research, National Agricultural Biotechnology Research Centre, Holeta, Ethiopia

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