The knowledge of nature and magnitude of variation existing in available breeding materials is great importance for successful selection of varieties. This study was conducted to generate information on the extent of genetic variability in advanced bread wheat lines. Thirty bread wheat genotypes were tested at Sinana and Agarfa, Southeastern Ethiopia, in alpha lattice design with three replications. Combined over locations ANOVA was carried out for yield and yield related traits. There were highly significant differences among genotypes for all traits. Highly significant location effects at P < 0.01 were observed for yield and yield related except for harvest index which showed significant effect at P < 0.05 and grain yield non-significant location effect. This indicates the presence of variability for these characters among the tested genotypes. In combined analysis, grain yield had high PCV (27.1%) and moderate GCV was observed for biomass weight, grain yield and harvest index. Phenotypic coefficient of variance (PCV) moderate for biomass weight and harvest index. Heritability estimates in broad sense (H2) was very high for most of the characters except for grain yield (52.3%) and number of kernel per spike (73.2%). However, low GAM was observed for most of the characters except moderate GAM was observed for harvest index (15.9%). Finally, the presence of variability among the genotypes, performance of heritability and GAM in the tested traits of the genotypes confirmed possibility to increase wheat productivity. Hence, selection and hybridization on those genotypes can be recommended for farther yield improvement of bread wheat.
| Published in | Agriculture, Forestry and Fisheries (Volume 9, Issue 4) |
| DOI | 10.11648/j.aff.20200904.15 |
| Page(s) | 128-134 |
| 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 |
Bread Wheat, Variability, Heritability, Genetic Advance, GCV, PCV
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APA Style
Tilahun Bayisa, Habtamu Tefera, Tesfaye Letta. (2020). Genetic Variability, Heritability and Genetic Advance Among Bread Wheat Genotypes at Southeastern Ethiopia. Agriculture, Forestry and Fisheries, 9(4), 128-134. https://doi.org/10.11648/j.aff.20200904.15
ACS Style
Tilahun Bayisa; Habtamu Tefera; Tesfaye Letta. Genetic Variability, Heritability and Genetic Advance Among Bread Wheat Genotypes at Southeastern Ethiopia. Agric. For. Fish. 2020, 9(4), 128-134. doi: 10.11648/j.aff.20200904.15
AMA Style
Tilahun Bayisa, Habtamu Tefera, Tesfaye Letta. Genetic Variability, Heritability and Genetic Advance Among Bread Wheat Genotypes at Southeastern Ethiopia. Agric For Fish. 2020;9(4):128-134. doi: 10.11648/j.aff.20200904.15
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Download@article{10.11648/j.aff.20200904.15,
author = {Tilahun Bayisa and Habtamu Tefera and Tesfaye Letta},
title = {Genetic Variability, Heritability and Genetic Advance Among Bread Wheat Genotypes at Southeastern Ethiopia},
journal = {Agriculture, Forestry and Fisheries},
volume = {9},
number = {4},
pages = {128-134},
doi = {10.11648/j.aff.20200904.15},
url = {https://doi.org/10.11648/j.aff.20200904.15},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.aff.20200904.15},
abstract = {The knowledge of nature and magnitude of variation existing in available breeding materials is great importance for successful selection of varieties. This study was conducted to generate information on the extent of genetic variability in advanced bread wheat lines. Thirty bread wheat genotypes were tested at Sinana and Agarfa, Southeastern Ethiopia, in alpha lattice design with three replications. Combined over locations ANOVA was carried out for yield and yield related traits. There were highly significant differences among genotypes for all traits. Highly significant location effects at P 2) was very high for most of the characters except for grain yield (52.3%) and number of kernel per spike (73.2%). However, low GAM was observed for most of the characters except moderate GAM was observed for harvest index (15.9%). Finally, the presence of variability among the genotypes, performance of heritability and GAM in the tested traits of the genotypes confirmed possibility to increase wheat productivity. Hence, selection and hybridization on those genotypes can be recommended for farther yield improvement of bread wheat.},
year = {2020}
}
TY - JOUR T1 - Genetic Variability, Heritability and Genetic Advance Among Bread Wheat Genotypes at Southeastern Ethiopia AU - Tilahun Bayisa AU - Habtamu Tefera AU - Tesfaye Letta Y1 - 2020/08/19 PY - 2020 N1 - https://doi.org/10.11648/j.aff.20200904.15 DO - 10.11648/j.aff.20200904.15 T2 - Agriculture, Forestry and Fisheries JF - Agriculture, Forestry and Fisheries JO - Agriculture, Forestry and Fisheries SP - 128 EP - 134 PB - Science Publishing Group SN - 2328-5648 UR - https://doi.org/10.11648/j.aff.20200904.15 AB - The knowledge of nature and magnitude of variation existing in available breeding materials is great importance for successful selection of varieties. This study was conducted to generate information on the extent of genetic variability in advanced bread wheat lines. Thirty bread wheat genotypes were tested at Sinana and Agarfa, Southeastern Ethiopia, in alpha lattice design with three replications. Combined over locations ANOVA was carried out for yield and yield related traits. There were highly significant differences among genotypes for all traits. Highly significant location effects at P 2) was very high for most of the characters except for grain yield (52.3%) and number of kernel per spike (73.2%). However, low GAM was observed for most of the characters except moderate GAM was observed for harvest index (15.9%). Finally, the presence of variability among the genotypes, performance of heritability and GAM in the tested traits of the genotypes confirmed possibility to increase wheat productivity. Hence, selection and hybridization on those genotypes can be recommended for farther yield improvement of bread wheat. VL - 9 IS - 4 ER -
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