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Cluster and Principal Component Analysis of Semi-Dwarf Tef [Eragrostis tef (Zucc.) Trotter] Recombinant Inbred Lines with Emphasis to Lodging

Received: 10 August 2021     Accepted: 21 August 2021     Published: 27 August 2021
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Abstract

Tef is the main cereal crop widely produced and consumed in Ethiopia and preferred by millions of local smallholder farmers. It also gained recognition as a food crop in other parts of the world very recently due to its gluten-free grains and its nutritive value. Lodging is the major factor which greatly reduces both yields and quality of tef grain as well as the straw. The current study was conducted to group the lines as their similarities and assess the magnitude of genetic distances among them; then identify the contribution of individual traits for total variations. A total of 49 lines were evaluated for 16 traits using simple lattice design at Holetta and Debre Zeit in 2017 main rainy season. All the traits evaluated over the locations showed highly significant differences among the lines except fertile tiller per plant, while the lines x location interaction effect was highly significant for most of the traits evaluated. Cluster analysis grouped the lines into four clusters based on their similarity. The highest inter-cluster distance noted between clusters two and four while the lowest was between clusters one and four. Principal component analysis showed that about 77.6% of the gross variance among lines explained by five Principal components with eigenvalues greater than unity. This study revealed that four recombinant inbred lines had higher yield than local and standard checks. RIL# 14 showed highest grain yield, low lodging index and other desirable traits than all lines, which could base and strengthen future tef breeding if incorporated as plant material; especially for lodging problem.

Published in American Journal of Biomedical and Life Sciences (Volume 9, Issue 4)
DOI 10.11648/j.ajbls.20210904.12
Page(s) 182-189
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), 2021. Published by Science Publishing Group

Keywords

Cluster, Genetic Distance, Inbred Lines, Principal Component, Traits

References
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    Getahun Bekana. (2021). Cluster and Principal Component Analysis of Semi-Dwarf Tef [Eragrostis tef (Zucc.) Trotter] Recombinant Inbred Lines with Emphasis to Lodging. American Journal of Biomedical and Life Sciences, 9(4), 182-189. https://doi.org/10.11648/j.ajbls.20210904.12

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    ACS Style

    Getahun Bekana. Cluster and Principal Component Analysis of Semi-Dwarf Tef [Eragrostis tef (Zucc.) Trotter] Recombinant Inbred Lines with Emphasis to Lodging. Am. J. Biomed. Life Sci. 2021, 9(4), 182-189. doi: 10.11648/j.ajbls.20210904.12

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    AMA Style

    Getahun Bekana. Cluster and Principal Component Analysis of Semi-Dwarf Tef [Eragrostis tef (Zucc.) Trotter] Recombinant Inbred Lines with Emphasis to Lodging. Am J Biomed Life Sci. 2021;9(4):182-189. doi: 10.11648/j.ajbls.20210904.12

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  • @article{10.11648/j.ajbls.20210904.12,
      author = {Getahun Bekana},
      title = {Cluster and Principal Component Analysis of Semi-Dwarf Tef [Eragrostis tef (Zucc.) Trotter] Recombinant Inbred Lines with Emphasis to Lodging},
      journal = {American Journal of Biomedical and Life Sciences},
      volume = {9},
      number = {4},
      pages = {182-189},
      doi = {10.11648/j.ajbls.20210904.12},
      url = {https://doi.org/10.11648/j.ajbls.20210904.12},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajbls.20210904.12},
      abstract = {Tef is the main cereal crop widely produced and consumed in Ethiopia and preferred by millions of local smallholder farmers. It also gained recognition as a food crop in other parts of the world very recently due to its gluten-free grains and its nutritive value. Lodging is the major factor which greatly reduces both yields and quality of tef grain as well as the straw. The current study was conducted to group the lines as their similarities and assess the magnitude of genetic distances among them; then identify the contribution of individual traits for total variations. A total of 49 lines were evaluated for 16 traits using simple lattice design at Holetta and Debre Zeit in 2017 main rainy season. All the traits evaluated over the locations showed highly significant differences among the lines except fertile tiller per plant, while the lines x location interaction effect was highly significant for most of the traits evaluated. Cluster analysis grouped the lines into four clusters based on their similarity. The highest inter-cluster distance noted between clusters two and four while the lowest was between clusters one and four. Principal component analysis showed that about 77.6% of the gross variance among lines explained by five Principal components with eigenvalues greater than unity. This study revealed that four recombinant inbred lines had higher yield than local and standard checks. RIL# 14 showed highest grain yield, low lodging index and other desirable traits than all lines, which could base and strengthen future tef breeding if incorporated as plant material; especially for lodging problem.},
     year = {2021}
    }
    

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  • TY  - JOUR
    T1  - Cluster and Principal Component Analysis of Semi-Dwarf Tef [Eragrostis tef (Zucc.) Trotter] Recombinant Inbred Lines with Emphasis to Lodging
    AU  - Getahun Bekana
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    N1  - https://doi.org/10.11648/j.ajbls.20210904.12
    DO  - 10.11648/j.ajbls.20210904.12
    T2  - American Journal of Biomedical and Life Sciences
    JF  - American Journal of Biomedical and Life Sciences
    JO  - American Journal of Biomedical and Life Sciences
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    EP  - 189
    PB  - Science Publishing Group
    SN  - 2330-880X
    UR  - https://doi.org/10.11648/j.ajbls.20210904.12
    AB  - Tef is the main cereal crop widely produced and consumed in Ethiopia and preferred by millions of local smallholder farmers. It also gained recognition as a food crop in other parts of the world very recently due to its gluten-free grains and its nutritive value. Lodging is the major factor which greatly reduces both yields and quality of tef grain as well as the straw. The current study was conducted to group the lines as their similarities and assess the magnitude of genetic distances among them; then identify the contribution of individual traits for total variations. A total of 49 lines were evaluated for 16 traits using simple lattice design at Holetta and Debre Zeit in 2017 main rainy season. All the traits evaluated over the locations showed highly significant differences among the lines except fertile tiller per plant, while the lines x location interaction effect was highly significant for most of the traits evaluated. Cluster analysis grouped the lines into four clusters based on their similarity. The highest inter-cluster distance noted between clusters two and four while the lowest was between clusters one and four. Principal component analysis showed that about 77.6% of the gross variance among lines explained by five Principal components with eigenvalues greater than unity. This study revealed that four recombinant inbred lines had higher yield than local and standard checks. RIL# 14 showed highest grain yield, low lodging index and other desirable traits than all lines, which could base and strengthen future tef breeding if incorporated as plant material; especially for lodging problem.
    VL  - 9
    IS  - 4
    ER  - 

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Author Information
  • Ethiopian Institute of Agricultural Research, Holeta Agricultural Research Center, Holeta, Ethiopia

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