Tef is the foremost cereal crop largely produced and consumed mostly in Ethiopia. It is grown on more than 3.1 million hectares annually. However, it’s productivity relatively low (1.85 t/ha). On the other hand, it gained recently global popularity “Super grain” as healthy and performance food due to its gluten free especially for celiac disease, diabetic and gluten allergy people. It has also high mineral contents like iron for anemia, bone and heart health as well as brain function. Lodging is a major constraint which affect both yields and quality of the grain as well as the straw. This experiment was led to assess genetic variability between the lines relating to lodging and other yield related traits. A total of forty-nine recombinant inbred lines were tested for 16 traits using simple lattice design on two sites. All the traits measured over the sites displayed highly significant differences among the lines except fertile tiller per plant, while their environmental interaction effect also highly significant for most of the traits measured. Grain yield showed the highest phenotypic coefficients of variation (PCV) (26.36%) followed by above ground biomass (23.16%), while the remaining traits showed low (<10%) to moderate (10-20%). Moderate (10-20%) genotypic coefficient of variation was recognized for above ground biomass. Plant height and panicle length showed high broad sense heritability (H2) (>60%), whereas half of the remained traits showed low (<30%) and moderate (30% to 60%) heritability. Genetic advance as percent of the mean (GAM) was the highest for above ground biomass (>17.02%) and least for number of branches per panicle (0.09%). From all the traits evaluated in this study, plant height, panicle length showed high H2 and aboveground biomass performs relatively high values of GCV, PCV and GAM. Therefore, these traits are important for selection and further improvements. This study revealed that four recombinant inbred lines had higher yield and low lodging index than local as well as standard checks.
| Published in | American Journal of Life Sciences (Volume 9, Issue 5) |
| DOI | 10.11648/j.ajls.20210905.11 |
| Page(s) | 92-104 |
| 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 |
Fertile, Genotypic Coefficient, Interaction, Recombinant, Traits
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APA Style
Getahun Bekana, Kebebew Assefa. (2021). Genetic Variation, Heritability and Genetic Advance Among Semi-Dwarf Tef [Eragrostis tef (Zucc.) Trotter] Recombinant Inbred Lines with Emphasis to Lodging. American Journal of Life Sciences, 9(5), 92-104. https://doi.org/10.11648/j.ajls.20210905.11
ACS Style
Getahun Bekana; Kebebew Assefa. Genetic Variation, Heritability and Genetic Advance Among Semi-Dwarf Tef [Eragrostis tef (Zucc.) Trotter] Recombinant Inbred Lines with Emphasis to Lodging. Am. J. Life Sci. 2021, 9(5), 92-104. doi: 10.11648/j.ajls.20210905.11
AMA Style
Getahun Bekana, Kebebew Assefa. Genetic Variation, Heritability and Genetic Advance Among Semi-Dwarf Tef [Eragrostis tef (Zucc.) Trotter] Recombinant Inbred Lines with Emphasis to Lodging. Am J Life Sci. 2021;9(5):92-104. doi: 10.11648/j.ajls.20210905.11
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Download@article{10.11648/j.ajls.20210905.11,
author = {Getahun Bekana and Kebebew Assefa},
title = {Genetic Variation, Heritability and Genetic Advance Among Semi-Dwarf Tef [Eragrostis tef (Zucc.) Trotter] Recombinant Inbred Lines with Emphasis to Lodging},
journal = {American Journal of Life Sciences},
volume = {9},
number = {5},
pages = {92-104},
doi = {10.11648/j.ajls.20210905.11},
url = {https://doi.org/10.11648/j.ajls.20210905.11},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajls.20210905.11},
abstract = {Tef is the foremost cereal crop largely produced and consumed mostly in Ethiopia. It is grown on more than 3.1 million hectares annually. However, it’s productivity relatively low (1.85 t/ha). On the other hand, it gained recently global popularity “Super grain” as healthy and performance food due to its gluten free especially for celiac disease, diabetic and gluten allergy people. It has also high mineral contents like iron for anemia, bone and heart health as well as brain function. Lodging is a major constraint which affect both yields and quality of the grain as well as the straw. This experiment was led to assess genetic variability between the lines relating to lodging and other yield related traits. A total of forty-nine recombinant inbred lines were tested for 16 traits using simple lattice design on two sites. All the traits measured over the sites displayed highly significant differences among the lines except fertile tiller per plant, while their environmental interaction effect also highly significant for most of the traits measured. Grain yield showed the highest phenotypic coefficients of variation (PCV) (26.36%) followed by above ground biomass (23.16%), while the remaining traits showed low (2) (>60%), whereas half of the remained traits showed low (17.02%) and least for number of branches per panicle (0.09%). From all the traits evaluated in this study, plant height, panicle length showed high H2 and aboveground biomass performs relatively high values of GCV, PCV and GAM. Therefore, these traits are important for selection and further improvements. This study revealed that four recombinant inbred lines had higher yield and low lodging index than local as well as standard checks.},
year = {2021}
}
TY - JOUR T1 - Genetic Variation, Heritability and Genetic Advance Among Semi-Dwarf Tef [Eragrostis tef (Zucc.) Trotter] Recombinant Inbred Lines with Emphasis to Lodging AU - Getahun Bekana AU - Kebebew Assefa Y1 - 2021/09/11 PY - 2021 N1 - https://doi.org/10.11648/j.ajls.20210905.11 DO - 10.11648/j.ajls.20210905.11 T2 - American Journal of Life Sciences JF - American Journal of Life Sciences JO - American Journal of Life Sciences SP - 92 EP - 104 PB - Science Publishing Group SN - 2328-5737 UR - https://doi.org/10.11648/j.ajls.20210905.11 AB - Tef is the foremost cereal crop largely produced and consumed mostly in Ethiopia. It is grown on more than 3.1 million hectares annually. However, it’s productivity relatively low (1.85 t/ha). On the other hand, it gained recently global popularity “Super grain” as healthy and performance food due to its gluten free especially for celiac disease, diabetic and gluten allergy people. It has also high mineral contents like iron for anemia, bone and heart health as well as brain function. Lodging is a major constraint which affect both yields and quality of the grain as well as the straw. This experiment was led to assess genetic variability between the lines relating to lodging and other yield related traits. A total of forty-nine recombinant inbred lines were tested for 16 traits using simple lattice design on two sites. All the traits measured over the sites displayed highly significant differences among the lines except fertile tiller per plant, while their environmental interaction effect also highly significant for most of the traits measured. Grain yield showed the highest phenotypic coefficients of variation (PCV) (26.36%) followed by above ground biomass (23.16%), while the remaining traits showed low (2) (>60%), whereas half of the remained traits showed low (17.02%) and least for number of branches per panicle (0.09%). From all the traits evaluated in this study, plant height, panicle length showed high H2 and aboveground biomass performs relatively high values of GCV, PCV and GAM. Therefore, these traits are important for selection and further improvements. This study revealed that four recombinant inbred lines had higher yield and low lodging index than local as well as standard checks. VL - 9 IS - 5 ER -
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