Rice is one of the most widely consumed staple crops in Africa and consumption continues to grow at a rapid pace with increasing population is therefore, imperative for production to match the consumption. The objectives of this study were to determine the genetic components for yield improvement and selection of promising genotypes for food security. The research was carried out at the University of Port Harcourt Faculty of Agriculture teaching and research farm. Single cross (FARO 52 x UPN 223) was used to generate population that was advanced to F2 generation and 50 F2 lines were selected for evaluation. FARO 52 is an adapted improved variety while UPN 223 is anther-culture derived from Korea. This was a potted experiment in randomized complete block design in two replications in the screenhouse. All agronomic practices and data collection were carried out at the appropriate stage of the crop phenology. This study showed the existence of a considerable level of diversity among the studied rice genotypes. High heritability plus high genetic advance was observed for plant height, effective tillers, number of seeds per panicle and number of filled seeds per panicle. The lines 11, 17, 19, 46, 49 and 50 had good phenotypic expressions for the desired traits and promising for advancement for to next generations. The grain yield per plant had high and significant correlation with all the yield components in this study. Three lines were observed to be transgressive, line 40, 49 and 43 for grain yield per plant of 5.75g, 5.51g and 5.09g, respectively compared with parental lines FARO 52 (2.51g) and UPN 223 (3.32g) promising for advance in the breeding programme.
| Published in | Ecology and Evolutionary Biology (Volume 6, Issue 4) |
| DOI | 10.11648/j.eeb.20210604.13 |
| Page(s) | 113-119 |
| 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 |
Oryza Sativa, Phenotypic Coefficient of Variation, Phenotypic Coefficient of Variation, Genetic Advancement, Heritability, Grain Yield
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APA Style
Ogba Chinonyelum Somtochukwu, Andrew Abiodun Efisue. (2021). Heritability and Genetic Components Studies of F2 Population of Rice (O. Sativa L.). Ecology and Evolutionary Biology, 6(4), 113-119. https://doi.org/10.11648/j.eeb.20210604.13
ACS Style
Ogba Chinonyelum Somtochukwu; Andrew Abiodun Efisue. Heritability and Genetic Components Studies of F2 Population of Rice (O. Sativa L.). Ecol. Evol. Biol. 2021, 6(4), 113-119. doi: 10.11648/j.eeb.20210604.13
AMA Style
Ogba Chinonyelum Somtochukwu, Andrew Abiodun Efisue. Heritability and Genetic Components Studies of F2 Population of Rice (O. Sativa L.). Ecol Evol Biol. 2021;6(4):113-119. doi: 10.11648/j.eeb.20210604.13
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Download@article{10.11648/j.eeb.20210604.13,
author = {Ogba Chinonyelum Somtochukwu and Andrew Abiodun Efisue},
title = {Heritability and Genetic Components Studies of F2 Population of Rice (O. Sativa L.)},
journal = {Ecology and Evolutionary Biology},
volume = {6},
number = {4},
pages = {113-119},
doi = {10.11648/j.eeb.20210604.13},
url = {https://doi.org/10.11648/j.eeb.20210604.13},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.eeb.20210604.13},
abstract = {Rice is one of the most widely consumed staple crops in Africa and consumption continues to grow at a rapid pace with increasing population is therefore, imperative for production to match the consumption. The objectives of this study were to determine the genetic components for yield improvement and selection of promising genotypes for food security. The research was carried out at the University of Port Harcourt Faculty of Agriculture teaching and research farm. Single cross (FARO 52 x UPN 223) was used to generate population that was advanced to F2 generation and 50 F2 lines were selected for evaluation. FARO 52 is an adapted improved variety while UPN 223 is anther-culture derived from Korea. This was a potted experiment in randomized complete block design in two replications in the screenhouse. All agronomic practices and data collection were carried out at the appropriate stage of the crop phenology. This study showed the existence of a considerable level of diversity among the studied rice genotypes. High heritability plus high genetic advance was observed for plant height, effective tillers, number of seeds per panicle and number of filled seeds per panicle. The lines 11, 17, 19, 46, 49 and 50 had good phenotypic expressions for the desired traits and promising for advancement for to next generations. The grain yield per plant had high and significant correlation with all the yield components in this study. Three lines were observed to be transgressive, line 40, 49 and 43 for grain yield per plant of 5.75g, 5.51g and 5.09g, respectively compared with parental lines FARO 52 (2.51g) and UPN 223 (3.32g) promising for advance in the breeding programme.},
year = {2021}
}
TY - JOUR T1 - Heritability and Genetic Components Studies of F2 Population of Rice (O. Sativa L.) AU - Ogba Chinonyelum Somtochukwu AU - Andrew Abiodun Efisue Y1 - 2021/11/17 PY - 2021 N1 - https://doi.org/10.11648/j.eeb.20210604.13 DO - 10.11648/j.eeb.20210604.13 T2 - Ecology and Evolutionary Biology JF - Ecology and Evolutionary Biology JO - Ecology and Evolutionary Biology SP - 113 EP - 119 PB - Science Publishing Group SN - 2575-3762 UR - https://doi.org/10.11648/j.eeb.20210604.13 AB - Rice is one of the most widely consumed staple crops in Africa and consumption continues to grow at a rapid pace with increasing population is therefore, imperative for production to match the consumption. The objectives of this study were to determine the genetic components for yield improvement and selection of promising genotypes for food security. The research was carried out at the University of Port Harcourt Faculty of Agriculture teaching and research farm. Single cross (FARO 52 x UPN 223) was used to generate population that was advanced to F2 generation and 50 F2 lines were selected for evaluation. FARO 52 is an adapted improved variety while UPN 223 is anther-culture derived from Korea. This was a potted experiment in randomized complete block design in two replications in the screenhouse. All agronomic practices and data collection were carried out at the appropriate stage of the crop phenology. This study showed the existence of a considerable level of diversity among the studied rice genotypes. High heritability plus high genetic advance was observed for plant height, effective tillers, number of seeds per panicle and number of filled seeds per panicle. The lines 11, 17, 19, 46, 49 and 50 had good phenotypic expressions for the desired traits and promising for advancement for to next generations. The grain yield per plant had high and significant correlation with all the yield components in this study. Three lines were observed to be transgressive, line 40, 49 and 43 for grain yield per plant of 5.75g, 5.51g and 5.09g, respectively compared with parental lines FARO 52 (2.51g) and UPN 223 (3.32g) promising for advance in the breeding programme. VL - 6 IS - 4 ER -
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