Shattering has a substantial yield reduction in sesame. Sixty-four sesame genotypes were evaluated using 8 x 8 lattice design with two replications at the main research station of Pawe Agricultural Research Center to assess the genetic variability among sesame genotypes for shattering and shattering-related traits. Data were collected on days to first capsule opening, days to 90% maturity, number of opened-capsules plant-1, number of total capsules plant-1, length of cracking on opened-capsule, number of seeds dropped opened-capsule-1, number of seeds dropped opened-capsule-1 while the capsule is inverted, and the number of seeds retained opened-capsule-1. In the present study, the mean seed retention and rate of shattering capsule-1 ranged from 22.56% to 73.71% and from 26.20% to 77.78%, respectively. Analysis of variance revealed significance difference (P<0.05) among sesame genotypes for number of days from first capsule-opening up to days to 90% maturity, while the evaluated genotypes showed non-significant difference (P>0.05) for rate of shattering and other shattering-related traits which indicated low scope of improvement for shattering resistance through the evaluation and selection of landraces. Furthermore, low estimates of heritability and genetic advance as percentage of the mean for shattering and its related traits indicated that an environment had a significant influence on these traits, which suggests breeders to evaluate sesame genotypes for shattering resistance based on molecular data rather than phenotypic data for reliable results and valid recommendations.
| Published in | International Journal of Genetics and Genomics (Volume 11, Issue 4) |
| DOI | 10.11648/j.ijgg.20231104.12 |
| Page(s) | 119-125 |
| 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), 2023. Published by Science Publishing Group |
Days to First Capsule Opening, Phenotypic Coefficient of Variation, Genotypic Coefficient of Variation, Genetic Advance, Heritability
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APA Style
Gedifew, S. (2023). Genetic Variability in Sesame (Sesamum indicum L.) Genotypes for Shattering and Shattering-Related Traits. International Journal of Genetics and Genomics, 11(4), 119-125. https://doi.org/10.11648/j.ijgg.20231104.12
ACS Style
Gedifew, S. Genetic Variability in Sesame (Sesamum indicum L.) Genotypes for Shattering and Shattering-Related Traits. Int. J. Genet. Genomics 2023, 11(4), 119-125. doi: 10.11648/j.ijgg.20231104.12
AMA Style
Gedifew S. Genetic Variability in Sesame (Sesamum indicum L.) Genotypes for Shattering and Shattering-Related Traits. Int J Genet Genomics. 2023;11(4):119-125. doi: 10.11648/j.ijgg.20231104.12
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Download@article{10.11648/j.ijgg.20231104.12,
author = {Sintayehu Gedifew},
title = {Genetic Variability in Sesame (Sesamum indicum L.) Genotypes for Shattering and Shattering-Related Traits},
journal = {International Journal of Genetics and Genomics},
volume = {11},
number = {4},
pages = {119-125},
doi = {10.11648/j.ijgg.20231104.12},
url = {https://doi.org/10.11648/j.ijgg.20231104.12},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijgg.20231104.12},
abstract = {Shattering has a substantial yield reduction in sesame. Sixty-four sesame genotypes were evaluated using 8 x 8 lattice design with two replications at the main research station of Pawe Agricultural Research Center to assess the genetic variability among sesame genotypes for shattering and shattering-related traits. Data were collected on days to first capsule opening, days to 90% maturity, number of opened-capsules plant-1, number of total capsules plant-1, length of cracking on opened-capsule, number of seeds dropped opened-capsule-1, number of seeds dropped opened-capsule-1 while the capsule is inverted, and the number of seeds retained opened-capsule-1. In the present study, the mean seed retention and rate of shattering capsule-1 ranged from 22.56% to 73.71% and from 26.20% to 77.78%, respectively. Analysis of variance revealed significance difference (PP>0.05) for rate of shattering and other shattering-related traits which indicated low scope of improvement for shattering resistance through the evaluation and selection of landraces. Furthermore, low estimates of heritability and genetic advance as percentage of the mean for shattering and its related traits indicated that an environment had a significant influence on these traits, which suggests breeders to evaluate sesame genotypes for shattering resistance based on molecular data rather than phenotypic data for reliable results and valid recommendations.
},
year = {2023}
}
TY - JOUR T1 - Genetic Variability in Sesame (Sesamum indicum L.) Genotypes for Shattering and Shattering-Related Traits AU - Sintayehu Gedifew Y1 - 2023/11/30 PY - 2023 N1 - https://doi.org/10.11648/j.ijgg.20231104.12 DO - 10.11648/j.ijgg.20231104.12 T2 - International Journal of Genetics and Genomics JF - International Journal of Genetics and Genomics JO - International Journal of Genetics and Genomics SP - 119 EP - 125 PB - Science Publishing Group SN - 2376-7359 UR - https://doi.org/10.11648/j.ijgg.20231104.12 AB - Shattering has a substantial yield reduction in sesame. Sixty-four sesame genotypes were evaluated using 8 x 8 lattice design with two replications at the main research station of Pawe Agricultural Research Center to assess the genetic variability among sesame genotypes for shattering and shattering-related traits. Data were collected on days to first capsule opening, days to 90% maturity, number of opened-capsules plant-1, number of total capsules plant-1, length of cracking on opened-capsule, number of seeds dropped opened-capsule-1, number of seeds dropped opened-capsule-1 while the capsule is inverted, and the number of seeds retained opened-capsule-1. In the present study, the mean seed retention and rate of shattering capsule-1 ranged from 22.56% to 73.71% and from 26.20% to 77.78%, respectively. Analysis of variance revealed significance difference (PP>0.05) for rate of shattering and other shattering-related traits which indicated low scope of improvement for shattering resistance through the evaluation and selection of landraces. Furthermore, low estimates of heritability and genetic advance as percentage of the mean for shattering and its related traits indicated that an environment had a significant influence on these traits, which suggests breeders to evaluate sesame genotypes for shattering resistance based on molecular data rather than phenotypic data for reliable results and valid recommendations. VL - 11 IS - 4 ER -
Ethiopian Institute of Agricultural Research, Assosa Agricultural Research Center, Assosa, Ethiopia
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