Ethiopia is the center of genetic diversity of Arabica coffee (Coffeaarabica L., Rubiaceae). In receipt of more information on genetic variability is a must for additional enhancement of coffee (Coffeaarabica L.). An experiment was carried out at Awada Agricultural Research Sub Center, Ethiopia, to study the amount of phenotypic diversity between southern coffee (Coffeaarabica L.) germplasm accessions on a quantitative character. Entirety 104 entries consisting of 100 accessions from southern parts of Ethiopia and four standard cultivars were evaluated using augmented design. The key goal of the study was to assessphenotypic and genotypic variances, the broad sense heritability, genetic advance and estimate the principal component among various quantitative characters. Data on 22 quantitative traits were recorded from five envoy trees per row for each accession. One hundred and four Arabica coffee accessions were grouped into four distinct groups by cluster analysis indicating a wide genetic diversity of coffee genotypes. Cluster I, II, III and IV contained 04 (3.85%), 29 (27.89%), 66 (63.46%) and 05 (4.81%) of the accessions, respectively. The X2 test show that inter cluster squared distances were significant at p<0.01 and p<0.05. Highest inter-cluster distance (D2) was found among cluster I and IV (D2 =102.61), even as the minimum inter-cluster distance (D2) was obtained between cluster II and III (13.26). First 8 principal components with Eigen values more than one were dependable for about 76.34% of the total variation among the germplasmaccessions. Normally, the present study revealed the existence of immense genetic variability among coffee germplasm for various important morphological traits. Consequently, there is a possibility to make use of these traits to expand genotypes that do superior than the existing varieties for the upcoming coffee enhancement plan.
| Published in | Agriculture, Forestry and Fisheries (Volume 10, Issue 4) |
| DOI | 10.11648/j.aff.20211004.16 |
| Page(s) | 160-169 |
| 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), 2024. Published by Science Publishing Group |
Coffeaarabica, Genetic Variability, the Broad Sense Heritability, Genetic Advance, Principal Component, Yield and Yield Components, Germplasm
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APA Style
Meseret Degefa, Sentayehu Alamerew, Ali Mohammed, Adeba Gemechu. (2021). Variability of Coffee (Coffeaarabica L.) Germplasm Collections Based on Morphological Quantitative Characters. Agriculture, Forestry and Fisheries, 10(4), 160-169. https://doi.org/10.11648/j.aff.20211004.16
ACS Style
Meseret Degefa; Sentayehu Alamerew; Ali Mohammed; Adeba Gemechu. Variability of Coffee (Coffeaarabica L.) Germplasm Collections Based on Morphological Quantitative Characters. Agric. For. Fish. 2021, 10(4), 160-169. doi: 10.11648/j.aff.20211004.16
AMA Style
Meseret Degefa, Sentayehu Alamerew, Ali Mohammed, Adeba Gemechu. Variability of Coffee (Coffeaarabica L.) Germplasm Collections Based on Morphological Quantitative Characters. Agric For Fish. 2021;10(4):160-169. doi: 10.11648/j.aff.20211004.16
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Download@article{10.11648/j.aff.20211004.16,
author = {Meseret Degefa and Sentayehu Alamerew and Ali Mohammed and Adeba Gemechu},
title = {Variability of Coffee (Coffeaarabica L.) Germplasm Collections Based on Morphological Quantitative Characters},
journal = {Agriculture, Forestry and Fisheries},
volume = {10},
number = {4},
pages = {160-169},
doi = {10.11648/j.aff.20211004.16},
url = {https://doi.org/10.11648/j.aff.20211004.16},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.aff.20211004.16},
abstract = {Ethiopia is the center of genetic diversity of Arabica coffee (Coffeaarabica L., Rubiaceae). In receipt of more information on genetic variability is a must for additional enhancement of coffee (Coffeaarabica L.). An experiment was carried out at Awada Agricultural Research Sub Center, Ethiopia, to study the amount of phenotypic diversity between southern coffee (Coffeaarabica L.) germplasm accessions on a quantitative character. Entirety 104 entries consisting of 100 accessions from southern parts of Ethiopia and four standard cultivars were evaluated using augmented design. The key goal of the study was to assessphenotypic and genotypic variances, the broad sense heritability, genetic advance and estimate the principal component among various quantitative characters. Data on 22 quantitative traits were recorded from five envoy trees per row for each accession. One hundred and four Arabica coffee accessions were grouped into four distinct groups by cluster analysis indicating a wide genetic diversity of coffee genotypes. Cluster I, II, III and IV contained 04 (3.85%), 29 (27.89%), 66 (63.46%) and 05 (4.81%) of the accessions, respectively. The X2 test show that inter cluster squared distances were significant at p2) was found among cluster I and IV (D2 =102.61), even as the minimum inter-cluster distance (D2) was obtained between cluster II and III (13.26). First 8 principal components with Eigen values more than one were dependable for about 76.34% of the total variation among the germplasmaccessions. Normally, the present study revealed the existence of immense genetic variability among coffee germplasm for various important morphological traits. Consequently, there is a possibility to make use of these traits to expand genotypes that do superior than the existing varieties for the upcoming coffee enhancement plan.},
year = {2021}
}
TY - JOUR T1 - Variability of Coffee (Coffeaarabica L.) Germplasm Collections Based on Morphological Quantitative Characters AU - Meseret Degefa AU - Sentayehu Alamerew AU - Ali Mohammed AU - Adeba Gemechu Y1 - 2021/08/24 PY - 2021 N1 - https://doi.org/10.11648/j.aff.20211004.16 DO - 10.11648/j.aff.20211004.16 T2 - Agriculture, Forestry and Fisheries JF - Agriculture, Forestry and Fisheries JO - Agriculture, Forestry and Fisheries SP - 160 EP - 169 PB - Science Publishing Group SN - 2328-5648 UR - https://doi.org/10.11648/j.aff.20211004.16 AB - Ethiopia is the center of genetic diversity of Arabica coffee (Coffeaarabica L., Rubiaceae). In receipt of more information on genetic variability is a must for additional enhancement of coffee (Coffeaarabica L.). An experiment was carried out at Awada Agricultural Research Sub Center, Ethiopia, to study the amount of phenotypic diversity between southern coffee (Coffeaarabica L.) germplasm accessions on a quantitative character. Entirety 104 entries consisting of 100 accessions from southern parts of Ethiopia and four standard cultivars were evaluated using augmented design. The key goal of the study was to assessphenotypic and genotypic variances, the broad sense heritability, genetic advance and estimate the principal component among various quantitative characters. Data on 22 quantitative traits were recorded from five envoy trees per row for each accession. One hundred and four Arabica coffee accessions were grouped into four distinct groups by cluster analysis indicating a wide genetic diversity of coffee genotypes. Cluster I, II, III and IV contained 04 (3.85%), 29 (27.89%), 66 (63.46%) and 05 (4.81%) of the accessions, respectively. The X2 test show that inter cluster squared distances were significant at p2) was found among cluster I and IV (D2 =102.61), even as the minimum inter-cluster distance (D2) was obtained between cluster II and III (13.26). First 8 principal components with Eigen values more than one were dependable for about 76.34% of the total variation among the germplasmaccessions. Normally, the present study revealed the existence of immense genetic variability among coffee germplasm for various important morphological traits. Consequently, there is a possibility to make use of these traits to expand genotypes that do superior than the existing varieties for the upcoming coffee enhancement plan. VL - 10 IS - 4 ER -
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