Estimation of Genetic Variability, Heritability and Genetic Advance of Some Wollega Coffee (<i>Coffea arabica</i> L.) Landrace in Western Ethiopia Using Quantitative Traits

Dawit Merga; Hussein Mohammed; Ashenafi Ayano

doi:doi:10.11648/j.jps.20210904.18

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Estimation of Genetic Variability, Heritability and Genetic Advance of Some Wollega Coffee (Coffea arabica L.) Landrace in Western Ethiopia Using Quantitative Traits

Dawit Merga, Hussein Mohammed, Ashenafi Ayano

Published in Journal of Plant Sciences (Volume 9, Issue 4)

Received: 16 July 2021 Accepted: 28 July 2021 Published: 30 August 2021

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Abstract

Arabica coffee is the predominant commodity in contributing for foreign exchange in Ethiopia and improvement for yield and other desirable traits is highly momentous. Estimating genetic diversity is a prerequisite activity in plant breeding program for crop improvement. This study was designed to determine the extent of genetic variability among Wollega coffee landrace and importance of gene revealed in traits. The 26 genotypes were tested during the 2016/2017 cropping season at Mugi and Haru sub- enters using RCBD. The combined analysis manifested significant difference among genotypes only in node number per primary branch (NNPB), fruit traits and Coffee leaf rust (CLR) although significant difference recorded for 18 and 22 of the 23 traits at Haru and at Mugi, respectively. The difference between environments was significant for all traits, except for CLR, yield (YLD), leaf, some fruit and bean traits. Performance at Haru was less than at Mugi for all traits showed significant difference. Genotype x environment (GEI) was significant for all traits excluding NNPB, leaf length (LL), fruit width and CLR indicating inconsistency performance of Coffee genotypes. At Haru, high phenotypic coefficient of variation (PCV>20%) recorded for YLD (25.5%), CLR (110.0%) and number of secondary branch (NSB) (22.0%), but High genotypic coefficient of variation (GCV>20%) recorded only for CLR (99.6%). At Mugi, High PCV and GCV (>20%) recorded for YLD (38.6%) and CLR (98.4%). Heritability ranged from 10.0% (YLD) to 88.0% (BW) while genetic advance (GAM) ranged from 1.5% (LL) to 32.4% (NSB) at Haru. At Mugi, Heritability ranged between 31% (CLR) and 84.0% (bean thickness) and between 3.3% (LL) and 44.0% (YLD) for GAM. The present results elucidate the existence of moderate genetic diversity among genotypes for some traits at individual location indicating the possibility of improvement for desired traits via selection. For further diversity analysis, molecular characterization methods need to be carried out.

Published in	Journal of Plant Sciences (Volume 9, Issue 4)
DOI	10.11648/j.jps.20210904.18
Page(s)	182-191
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

Coffea arabica L., Genetic Advance, Genotypic Variance, Heritability, Phenotypic Variance

References

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APA Style

Dawit Merga, Hussein Mohammed, Ashenafi Ayano. (2021). Estimation of Genetic Variability, Heritability and Genetic Advance of Some Wollega Coffee (Coffea arabica L.) Landrace in Western Ethiopia Using Quantitative Traits. Journal of Plant Sciences, 9(4), 182-191. https://doi.org/10.11648/j.jps.20210904.18

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ACS Style

Dawit Merga; Hussein Mohammed; Ashenafi Ayano. Estimation of Genetic Variability, Heritability and Genetic Advance of Some Wollega Coffee (Coffea arabica L.) Landrace in Western Ethiopia Using Quantitative Traits. J. Plant Sci. 2021, 9(4), 182-191. doi: 10.11648/j.jps.20210904.18

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AMA Style

Dawit Merga, Hussein Mohammed, Ashenafi Ayano. Estimation of Genetic Variability, Heritability and Genetic Advance of Some Wollega Coffee (Coffea arabica L.) Landrace in Western Ethiopia Using Quantitative Traits. J Plant Sci. 2021;9(4):182-191. doi: 10.11648/j.jps.20210904.18

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@article{10.11648/j.jps.20210904.18,
  author = {Dawit Merga and Hussein Mohammed and Ashenafi Ayano},
  title = {Estimation of Genetic Variability, Heritability and Genetic Advance of Some Wollega Coffee (Coffea arabica L.) Landrace in Western Ethiopia Using Quantitative Traits},
  journal = {Journal of Plant Sciences},
  volume = {9},
  number = {4},
  pages = {182-191},
  doi = {10.11648/j.jps.20210904.18},
  url = {https://doi.org/10.11648/j.jps.20210904.18},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jps.20210904.18},
  abstract = {Arabica coffee is the predominant commodity in contributing for foreign exchange in Ethiopia and improvement for yield and other desirable traits is highly momentous. Estimating genetic diversity is a prerequisite activity in plant breeding program for crop improvement. This study was designed to determine the extent of genetic variability among Wollega coffee landrace and importance of gene revealed in traits. The 26 genotypes were tested during the 2016/2017 cropping season at Mugi and Haru sub- enters using RCBD. The combined analysis manifested significant difference among genotypes only in node number per primary branch (NNPB), fruit traits and Coffee leaf rust (CLR) although significant difference recorded for 18 and 22 of the 23 traits at Haru and at Mugi, respectively. The difference between environments was significant for all traits, except for CLR, yield (YLD), leaf, some fruit and bean traits. Performance at Haru was less than at Mugi for all traits showed significant difference. Genotype x environment (GEI) was significant for all traits excluding NNPB, leaf length (LL), fruit width and CLR indicating inconsistency performance of Coffee genotypes. At Haru, high phenotypic coefficient of variation (PCV>20%) recorded for YLD (25.5%), CLR (110.0%) and number of secondary branch (NSB) (22.0%), but High genotypic coefficient of variation (GCV>20%) recorded only for CLR (99.6%). At Mugi, High PCV and GCV (>20%) recorded for YLD (38.6%) and CLR (98.4%). Heritability ranged from 10.0% (YLD) to 88.0% (BW) while genetic advance (GAM) ranged from 1.5% (LL) to 32.4% (NSB) at Haru. At Mugi, Heritability ranged between 31% (CLR) and 84.0% (bean thickness) and between 3.3% (LL) and 44.0% (YLD) for GAM. The present results elucidate the existence of moderate genetic diversity among genotypes for some traits at individual location indicating the possibility of improvement for desired traits via selection. For further diversity analysis, molecular characterization methods need to be carried out.},
 year = {2021}
}

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TY  - JOUR
T1  - Estimation of Genetic Variability, Heritability and Genetic Advance of Some Wollega Coffee (Coffea arabica L.) Landrace in Western Ethiopia Using Quantitative Traits
AU  - Dawit Merga
AU  - Hussein Mohammed
AU  - Ashenafi Ayano
Y1  - 2021/08/30
PY  - 2021
N1  - https://doi.org/10.11648/j.jps.20210904.18
DO  - 10.11648/j.jps.20210904.18
T2  - Journal of Plant Sciences
JF  - Journal of Plant Sciences
JO  - Journal of Plant Sciences
SP  - 182
EP  - 191
PB  - Science Publishing Group
SN  - 2331-0731
UR  - https://doi.org/10.11648/j.jps.20210904.18
AB  - Arabica coffee is the predominant commodity in contributing for foreign exchange in Ethiopia and improvement for yield and other desirable traits is highly momentous. Estimating genetic diversity is a prerequisite activity in plant breeding program for crop improvement. This study was designed to determine the extent of genetic variability among Wollega coffee landrace and importance of gene revealed in traits. The 26 genotypes were tested during the 2016/2017 cropping season at Mugi and Haru sub- enters using RCBD. The combined analysis manifested significant difference among genotypes only in node number per primary branch (NNPB), fruit traits and Coffee leaf rust (CLR) although significant difference recorded for 18 and 22 of the 23 traits at Haru and at Mugi, respectively. The difference between environments was significant for all traits, except for CLR, yield (YLD), leaf, some fruit and bean traits. Performance at Haru was less than at Mugi for all traits showed significant difference. Genotype x environment (GEI) was significant for all traits excluding NNPB, leaf length (LL), fruit width and CLR indicating inconsistency performance of Coffee genotypes. At Haru, high phenotypic coefficient of variation (PCV>20%) recorded for YLD (25.5%), CLR (110.0%) and number of secondary branch (NSB) (22.0%), but High genotypic coefficient of variation (GCV>20%) recorded only for CLR (99.6%). At Mugi, High PCV and GCV (>20%) recorded for YLD (38.6%) and CLR (98.4%). Heritability ranged from 10.0% (YLD) to 88.0% (BW) while genetic advance (GAM) ranged from 1.5% (LL) to 32.4% (NSB) at Haru. At Mugi, Heritability ranged between 31% (CLR) and 84.0% (bean thickness) and between 3.3% (LL) and 44.0% (YLD) for GAM. The present results elucidate the existence of moderate genetic diversity among genotypes for some traits at individual location indicating the possibility of improvement for desired traits via selection. For further diversity analysis, molecular characterization methods need to be carried out.
VL  - 9
IS  - 4
ER  -

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Author Information

Dawit Merga

Ethiopian Institute of Agricultural Research, Jimma Agricultural Research Center, Jimma, Ethiopia
Hussein Mohammed

School of Plant and Horticultural Sciences, Hawassa University College of Agriculture, Hawassa, Ethiopia
Ashenafi Ayano

Ethiopian Institute of Agricultural Research, Jimma Agricultural Research Center, Jimma, Ethiopia

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APA Style

Dawit Merga, Hussein Mohammed, Ashenafi Ayano. (2021). Estimation of Genetic Variability, Heritability and Genetic Advance of Some Wollega Coffee (Coffea arabica L.) Landrace in Western Ethiopia Using Quantitative Traits. Journal of Plant Sciences, 9(4), 182-191. https://doi.org/10.11648/j.jps.20210904.18

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ACS Style

Dawit Merga; Hussein Mohammed; Ashenafi Ayano. Estimation of Genetic Variability, Heritability and Genetic Advance of Some Wollega Coffee (Coffea arabica L.) Landrace in Western Ethiopia Using Quantitative Traits. J. Plant Sci. 2021, 9(4), 182-191. doi: 10.11648/j.jps.20210904.18

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AMA Style

Dawit Merga, Hussein Mohammed, Ashenafi Ayano. Estimation of Genetic Variability, Heritability and Genetic Advance of Some Wollega Coffee (Coffea arabica L.) Landrace in Western Ethiopia Using Quantitative Traits. J Plant Sci. 2021;9(4):182-191. doi: 10.11648/j.jps.20210904.18

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@article{10.11648/j.jps.20210904.18,
  author = {Dawit Merga and Hussein Mohammed and Ashenafi Ayano},
  title = {Estimation of Genetic Variability, Heritability and Genetic Advance of Some Wollega Coffee (Coffea arabica L.) Landrace in Western Ethiopia Using Quantitative Traits},
  journal = {Journal of Plant Sciences},
  volume = {9},
  number = {4},
  pages = {182-191},
  doi = {10.11648/j.jps.20210904.18},
  url = {https://doi.org/10.11648/j.jps.20210904.18},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jps.20210904.18},
  abstract = {Arabica coffee is the predominant commodity in contributing for foreign exchange in Ethiopia and improvement for yield and other desirable traits is highly momentous. Estimating genetic diversity is a prerequisite activity in plant breeding program for crop improvement. This study was designed to determine the extent of genetic variability among Wollega coffee landrace and importance of gene revealed in traits. The 26 genotypes were tested during the 2016/2017 cropping season at Mugi and Haru sub- enters using RCBD. The combined analysis manifested significant difference among genotypes only in node number per primary branch (NNPB), fruit traits and Coffee leaf rust (CLR) although significant difference recorded for 18 and 22 of the 23 traits at Haru and at Mugi, respectively. The difference between environments was significant for all traits, except for CLR, yield (YLD), leaf, some fruit and bean traits. Performance at Haru was less than at Mugi for all traits showed significant difference. Genotype x environment (GEI) was significant for all traits excluding NNPB, leaf length (LL), fruit width and CLR indicating inconsistency performance of Coffee genotypes. At Haru, high phenotypic coefficient of variation (PCV>20%) recorded for YLD (25.5%), CLR (110.0%) and number of secondary branch (NSB) (22.0%), but High genotypic coefficient of variation (GCV>20%) recorded only for CLR (99.6%). At Mugi, High PCV and GCV (>20%) recorded for YLD (38.6%) and CLR (98.4%). Heritability ranged from 10.0% (YLD) to 88.0% (BW) while genetic advance (GAM) ranged from 1.5% (LL) to 32.4% (NSB) at Haru. At Mugi, Heritability ranged between 31% (CLR) and 84.0% (bean thickness) and between 3.3% (LL) and 44.0% (YLD) for GAM. The present results elucidate the existence of moderate genetic diversity among genotypes for some traits at individual location indicating the possibility of improvement for desired traits via selection. For further diversity analysis, molecular characterization methods need to be carried out.},
 year = {2021}
}

Copy | Download

TY  - JOUR
T1  - Estimation of Genetic Variability, Heritability and Genetic Advance of Some Wollega Coffee (Coffea arabica L.) Landrace in Western Ethiopia Using Quantitative Traits
AU  - Dawit Merga
AU  - Hussein Mohammed
AU  - Ashenafi Ayano
Y1  - 2021/08/30
PY  - 2021
N1  - https://doi.org/10.11648/j.jps.20210904.18
DO  - 10.11648/j.jps.20210904.18
T2  - Journal of Plant Sciences
JF  - Journal of Plant Sciences
JO  - Journal of Plant Sciences
SP  - 182
EP  - 191
PB  - Science Publishing Group
SN  - 2331-0731
UR  - https://doi.org/10.11648/j.jps.20210904.18
AB  - Arabica coffee is the predominant commodity in contributing for foreign exchange in Ethiopia and improvement for yield and other desirable traits is highly momentous. Estimating genetic diversity is a prerequisite activity in plant breeding program for crop improvement. This study was designed to determine the extent of genetic variability among Wollega coffee landrace and importance of gene revealed in traits. The 26 genotypes were tested during the 2016/2017 cropping season at Mugi and Haru sub- enters using RCBD. The combined analysis manifested significant difference among genotypes only in node number per primary branch (NNPB), fruit traits and Coffee leaf rust (CLR) although significant difference recorded for 18 and 22 of the 23 traits at Haru and at Mugi, respectively. The difference between environments was significant for all traits, except for CLR, yield (YLD), leaf, some fruit and bean traits. Performance at Haru was less than at Mugi for all traits showed significant difference. Genotype x environment (GEI) was significant for all traits excluding NNPB, leaf length (LL), fruit width and CLR indicating inconsistency performance of Coffee genotypes. At Haru, high phenotypic coefficient of variation (PCV>20%) recorded for YLD (25.5%), CLR (110.0%) and number of secondary branch (NSB) (22.0%), but High genotypic coefficient of variation (GCV>20%) recorded only for CLR (99.6%). At Mugi, High PCV and GCV (>20%) recorded for YLD (38.6%) and CLR (98.4%). Heritability ranged from 10.0% (YLD) to 88.0% (BW) while genetic advance (GAM) ranged from 1.5% (LL) to 32.4% (NSB) at Haru. At Mugi, Heritability ranged between 31% (CLR) and 84.0% (bean thickness) and between 3.3% (LL) and 44.0% (YLD) for GAM. The present results elucidate the existence of moderate genetic diversity among genotypes for some traits at individual location indicating the possibility of improvement for desired traits via selection. For further diversity analysis, molecular characterization methods need to be carried out.
VL  - 9
IS  - 4
ER  -

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