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Genotype x Environment Interaction and Stability Analysis of Some Selected Field Pea (Pisum sativum L.) Varieties in Northern Part of South Regional State, Ethiopia

Received: 29 October 2021    Accepted: 23 November 2021    Published: 25 April 2022
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Abstract

Field pea (Pisum sativum L.) is one of the major legumes grown in Ethiopia as well as in Southern Ethiopia. Field experiment was conducted with eight field pea genotypes for two consecutive years (2017 - 2018) comprising six environments in order to determine the effect of genotype x environment (GxE) interaction and to identify specific and wider adaptability. The objective of this study was to identify and select high performing varieties with better adaptability. The experiment was laid out in a randomized complete block design with four replications in each environment. Grain yield data was analyzed using analysis of variance and AMMI models. The combined analysis of variance of grain yield showed a highly significant differences (P<0.001) for environments, varieties and GxE interactions. The significant differences for the GxE interaction indicated the necessity of analyzing the stability of the varieties across the environments in order to select stable ones. The lowest mean grain yield of all varieties was obtained in E2 (Yem 2018) whereas the highest was obtained in E3 (Geta 2018). The average grain yield of the varieties ranged from 4571.0 kg/ha for G6 (Bukitu) to 4143.6 kg/ha for G4 (Gume). The AMMI analysis revealed that differences between the environments accounted for about 80.61% of the treatment sum of squares while the varieties and the GxE interaction accounted for 3.99% and 15.40%, respectively. The mean squares were significant at P ≤ 0.001 for PCA 1 and at P ≤ 0.05 for PCA2 cumulatively contributing for 79.39% of the total GxE interaction sum of squares, indicating that most the information could be generated from the two axes. The AMMI analysis, AMMI stability value (ASV) and yield stability index (YSI) identified G5 (Bilalo), G7 (Adi) and G6 (Burkitu) as the most stable varieties with higher yields. AMMI biplots indicated that E2 (Yem2) with its lowest grain yield was identified as stable environment and E6 (Azernet2) as relatively stable with its yield higher than the grand mean. Therefore, the three stable and high yielding varieties (Bilalo, Adi and Burkit) can be recommended for the study areas and similar agro-eologies of the Southern Region. Varieties with grain yield higher than the grand mean such as G2 (Bursa) with an environment E1 (Yem1) as well as G6 (Burkitu) with environments E3 (Geta2) and E6 (Azernet2) showed specific adaptation.

Published in International Journal of Biochemistry, Biophysics & Molecular Biology (Volume 7, Issue 1)
DOI 10.11648/j.ijbbmb.20220701.12
Page(s) 5-11
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), 2022. Published by Science Publishing Group

Keywords

Field Pea, Additive Main Effect and Multiplicative Interaction (AMMI), Yield Stability Index, Interaction Principal Component Axes (IPCA)

References
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    Ersullo Lere, Shimelis Mohammed, Mukerem Elias, Muluneh Mekiso. (2022). Genotype x Environment Interaction and Stability Analysis of Some Selected Field Pea (Pisum sativum L.) Varieties in Northern Part of South Regional State, Ethiopia. International Journal of Biochemistry, Biophysics & Molecular Biology, 7(1), 5-11. https://doi.org/10.11648/j.ijbbmb.20220701.12

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    Ersullo Lere; Shimelis Mohammed; Mukerem Elias; Muluneh Mekiso. Genotype x Environment Interaction and Stability Analysis of Some Selected Field Pea (Pisum sativum L.) Varieties in Northern Part of South Regional State, Ethiopia. Int. J. Biochem. Biophys. Mol. Biol. 2022, 7(1), 5-11. doi: 10.11648/j.ijbbmb.20220701.12

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    AMA Style

    Ersullo Lere, Shimelis Mohammed, Mukerem Elias, Muluneh Mekiso. Genotype x Environment Interaction and Stability Analysis of Some Selected Field Pea (Pisum sativum L.) Varieties in Northern Part of South Regional State, Ethiopia. Int J Biochem Biophys Mol Biol. 2022;7(1):5-11. doi: 10.11648/j.ijbbmb.20220701.12

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  • @article{10.11648/j.ijbbmb.20220701.12,
      author = {Ersullo Lere and Shimelis Mohammed and Mukerem Elias and Muluneh Mekiso},
      title = {Genotype x Environment Interaction and Stability Analysis of Some Selected Field Pea (Pisum sativum L.) Varieties in Northern Part of South Regional State, Ethiopia},
      journal = {International Journal of Biochemistry, Biophysics & Molecular Biology},
      volume = {7},
      number = {1},
      pages = {5-11},
      doi = {10.11648/j.ijbbmb.20220701.12},
      url = {https://doi.org/10.11648/j.ijbbmb.20220701.12},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijbbmb.20220701.12},
      abstract = {Field pea (Pisum sativum L.) is one of the major legumes grown in Ethiopia as well as in Southern Ethiopia. Field experiment was conducted with eight field pea genotypes for two consecutive years (2017 - 2018) comprising six environments in order to determine the effect of genotype x environment (GxE) interaction and to identify specific and wider adaptability. The objective of this study was to identify and select high performing varieties with better adaptability. The experiment was laid out in a randomized complete block design with four replications in each environment. Grain yield data was analyzed using analysis of variance and AMMI models. The combined analysis of variance of grain yield showed a highly significant differences (P<0.001) for environments, varieties and GxE interactions. The significant differences for the GxE interaction indicated the necessity of analyzing the stability of the varieties across the environments in order to select stable ones. The lowest mean grain yield of all varieties was obtained in E2 (Yem 2018) whereas the highest was obtained in E3 (Geta 2018). The average grain yield of the varieties ranged from 4571.0 kg/ha for G6 (Bukitu) to 4143.6 kg/ha for G4 (Gume). The AMMI analysis revealed that differences between the environments accounted for about 80.61% of the treatment sum of squares while the varieties and the GxE interaction accounted for 3.99% and 15.40%, respectively. The mean squares were significant at P ≤ 0.001 for PCA 1 and at P ≤ 0.05 for PCA2 cumulatively contributing for 79.39% of the total GxE interaction sum of squares, indicating that most the information could be generated from the two axes. The AMMI analysis, AMMI stability value (ASV) and yield stability index (YSI) identified G5 (Bilalo), G7 (Adi) and G6 (Burkitu) as the most stable varieties with higher yields. AMMI biplots indicated that E2 (Yem2) with its lowest grain yield was identified as stable environment and E6 (Azernet2) as relatively stable with its yield higher than the grand mean. Therefore, the three stable and high yielding varieties (Bilalo, Adi and Burkit) can be recommended for the study areas and similar agro-eologies of the Southern Region. Varieties with grain yield higher than the grand mean such as G2 (Bursa) with an environment E1 (Yem1) as well as G6 (Burkitu) with environments E3 (Geta2) and E6 (Azernet2) showed specific adaptation.},
     year = {2022}
    }
    

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  • TY  - JOUR
    T1  - Genotype x Environment Interaction and Stability Analysis of Some Selected Field Pea (Pisum sativum L.) Varieties in Northern Part of South Regional State, Ethiopia
    AU  - Ersullo Lere
    AU  - Shimelis Mohammed
    AU  - Mukerem Elias
    AU  - Muluneh Mekiso
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    DO  - 10.11648/j.ijbbmb.20220701.12
    T2  - International Journal of Biochemistry, Biophysics & Molecular Biology
    JF  - International Journal of Biochemistry, Biophysics & Molecular Biology
    JO  - International Journal of Biochemistry, Biophysics & Molecular Biology
    SP  - 5
    EP  - 11
    PB  - Science Publishing Group
    SN  - 2575-5862
    UR  - https://doi.org/10.11648/j.ijbbmb.20220701.12
    AB  - Field pea (Pisum sativum L.) is one of the major legumes grown in Ethiopia as well as in Southern Ethiopia. Field experiment was conducted with eight field pea genotypes for two consecutive years (2017 - 2018) comprising six environments in order to determine the effect of genotype x environment (GxE) interaction and to identify specific and wider adaptability. The objective of this study was to identify and select high performing varieties with better adaptability. The experiment was laid out in a randomized complete block design with four replications in each environment. Grain yield data was analyzed using analysis of variance and AMMI models. The combined analysis of variance of grain yield showed a highly significant differences (P<0.001) for environments, varieties and GxE interactions. The significant differences for the GxE interaction indicated the necessity of analyzing the stability of the varieties across the environments in order to select stable ones. The lowest mean grain yield of all varieties was obtained in E2 (Yem 2018) whereas the highest was obtained in E3 (Geta 2018). The average grain yield of the varieties ranged from 4571.0 kg/ha for G6 (Bukitu) to 4143.6 kg/ha for G4 (Gume). The AMMI analysis revealed that differences between the environments accounted for about 80.61% of the treatment sum of squares while the varieties and the GxE interaction accounted for 3.99% and 15.40%, respectively. The mean squares were significant at P ≤ 0.001 for PCA 1 and at P ≤ 0.05 for PCA2 cumulatively contributing for 79.39% of the total GxE interaction sum of squares, indicating that most the information could be generated from the two axes. The AMMI analysis, AMMI stability value (ASV) and yield stability index (YSI) identified G5 (Bilalo), G7 (Adi) and G6 (Burkitu) as the most stable varieties with higher yields. AMMI biplots indicated that E2 (Yem2) with its lowest grain yield was identified as stable environment and E6 (Azernet2) as relatively stable with its yield higher than the grand mean. Therefore, the three stable and high yielding varieties (Bilalo, Adi and Burkit) can be recommended for the study areas and similar agro-eologies of the Southern Region. Varieties with grain yield higher than the grand mean such as G2 (Bursa) with an environment E1 (Yem1) as well as G6 (Burkitu) with environments E3 (Geta2) and E6 (Azernet2) showed specific adaptation.
    VL  - 7
    IS  - 1
    ER  - 

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Author Information
  • South Agricultural Research Institute (SARI), Worabe Agricultural Research Centre, Worabe, Ethiopia

  • South Agricultural Research Institute (SARI), Worabe Agricultural Research Centre, Worabe, Ethiopia

  • South Agricultural Research Institute (SARI), Worabe Agricultural Research Centre, Worabe, Ethiopia

  • South Agricultural Research Institute (SARI), Worabe Agricultural Research Centre, Worabe, Ethiopia

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