Forty seven Coffea arabica L. germplasm accessions collected from Limmu district were field evaluated from 2004/5 to 2013/14 with two commercial check varieties at Agaro Agricultural Research sub center in single plot. The objective of the experiment was to assess the variability among the accessions using quantitative traits. Data for about eight quantitative traits were recorded only once in experimental period, while the yield data were recorded for six consecutive cropping seasons. Cluster, genetic divergence, and principal component analysis were used to assess the variability among the genotypes. The results revealed that average linkage cluster analysis for nine traits grouped the germplasm accessions in to three clusters. The number of accessions per cluster ranged from three in cluster III to 25 in cluster II. The clustering pattern of the coffee accessions revealed that the prevalence of moderate genetic diversity in Limmu coffee for the characters studied. The maximum inter-cluster distance was observed between clusters II and III; whereas the minimum inter-cluster distance was observed between clusters I and II. The study highlighted the possibility of using accessions of the distant clusters as potential candidates for the genetic improvement of Limmu coffee through hybridization. Moreover, the principal component analysis showed that the first four PCs extracted about 82% of the total variance of the 49 coffee germplasm accessions and also confirmed moderate diversity among the germplasm accessions since the entire variation cannot be explained in terms of few PCs. This, in turn, indicates that the involvement of a number of traits in contributing towards the overall diversity.
| Published in | American Journal of BioScience (Volume 9, Issue 3) |
| DOI | 10.11648/j.ajbio.20210903.12 |
| Page(s) | 79-85 |
| 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 |
Coffea Arabica, Clustering and Principal Component, Gomma Woreda, Quantitative Traits
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APA Style
Lemi Beksisa, Tadesse Benti, Getachew Weldemichael. (2021). Phenotypic Diversity of Ethiopian Coffee (Coffea arabica L.) Accessions Collected from Limmu Coffee Growing Areas Using Multivariate Analysis. American Journal of BioScience, 9(3), 79-85. https://doi.org/10.11648/j.ajbio.20210903.12
ACS Style
Lemi Beksisa; Tadesse Benti; Getachew Weldemichael. Phenotypic Diversity of Ethiopian Coffee (Coffea arabica L.) Accessions Collected from Limmu Coffee Growing Areas Using Multivariate Analysis. Am. J. BioScience 2021, 9(3), 79-85. doi: 10.11648/j.ajbio.20210903.12
AMA Style
Lemi Beksisa, Tadesse Benti, Getachew Weldemichael. Phenotypic Diversity of Ethiopian Coffee (Coffea arabica L.) Accessions Collected from Limmu Coffee Growing Areas Using Multivariate Analysis. Am J BioScience. 2021;9(3):79-85. doi: 10.11648/j.ajbio.20210903.12
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Download@article{10.11648/j.ajbio.20210903.12,
author = {Lemi Beksisa and Tadesse Benti and Getachew Weldemichael},
title = {Phenotypic Diversity of Ethiopian Coffee (Coffea arabica L.) Accessions Collected from Limmu Coffee Growing Areas Using Multivariate Analysis},
journal = {American Journal of BioScience},
volume = {9},
number = {3},
pages = {79-85},
doi = {10.11648/j.ajbio.20210903.12},
url = {https://doi.org/10.11648/j.ajbio.20210903.12},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajbio.20210903.12},
abstract = {Forty seven Coffea arabica L. germplasm accessions collected from Limmu district were field evaluated from 2004/5 to 2013/14 with two commercial check varieties at Agaro Agricultural Research sub center in single plot. The objective of the experiment was to assess the variability among the accessions using quantitative traits. Data for about eight quantitative traits were recorded only once in experimental period, while the yield data were recorded for six consecutive cropping seasons. Cluster, genetic divergence, and principal component analysis were used to assess the variability among the genotypes. The results revealed that average linkage cluster analysis for nine traits grouped the germplasm accessions in to three clusters. The number of accessions per cluster ranged from three in cluster III to 25 in cluster II. The clustering pattern of the coffee accessions revealed that the prevalence of moderate genetic diversity in Limmu coffee for the characters studied. The maximum inter-cluster distance was observed between clusters II and III; whereas the minimum inter-cluster distance was observed between clusters I and II. The study highlighted the possibility of using accessions of the distant clusters as potential candidates for the genetic improvement of Limmu coffee through hybridization. Moreover, the principal component analysis showed that the first four PCs extracted about 82% of the total variance of the 49 coffee germplasm accessions and also confirmed moderate diversity among the germplasm accessions since the entire variation cannot be explained in terms of few PCs. This, in turn, indicates that the involvement of a number of traits in contributing towards the overall diversity.},
year = {2021}
}
TY - JOUR T1 - Phenotypic Diversity of Ethiopian Coffee (Coffea arabica L.) Accessions Collected from Limmu Coffee Growing Areas Using Multivariate Analysis AU - Lemi Beksisa AU - Tadesse Benti AU - Getachew Weldemichael Y1 - 2021/05/20 PY - 2021 N1 - https://doi.org/10.11648/j.ajbio.20210903.12 DO - 10.11648/j.ajbio.20210903.12 T2 - American Journal of BioScience JF - American Journal of BioScience JO - American Journal of BioScience SP - 79 EP - 85 PB - Science Publishing Group SN - 2330-0167 UR - https://doi.org/10.11648/j.ajbio.20210903.12 AB - Forty seven Coffea arabica L. germplasm accessions collected from Limmu district were field evaluated from 2004/5 to 2013/14 with two commercial check varieties at Agaro Agricultural Research sub center in single plot. The objective of the experiment was to assess the variability among the accessions using quantitative traits. Data for about eight quantitative traits were recorded only once in experimental period, while the yield data were recorded for six consecutive cropping seasons. Cluster, genetic divergence, and principal component analysis were used to assess the variability among the genotypes. The results revealed that average linkage cluster analysis for nine traits grouped the germplasm accessions in to three clusters. The number of accessions per cluster ranged from three in cluster III to 25 in cluster II. The clustering pattern of the coffee accessions revealed that the prevalence of moderate genetic diversity in Limmu coffee for the characters studied. The maximum inter-cluster distance was observed between clusters II and III; whereas the minimum inter-cluster distance was observed between clusters I and II. The study highlighted the possibility of using accessions of the distant clusters as potential candidates for the genetic improvement of Limmu coffee through hybridization. Moreover, the principal component analysis showed that the first four PCs extracted about 82% of the total variance of the 49 coffee germplasm accessions and also confirmed moderate diversity among the germplasm accessions since the entire variation cannot be explained in terms of few PCs. This, in turn, indicates that the involvement of a number of traits in contributing towards the overall diversity. VL - 9 IS - 3 ER -
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