Rice is one of the most important staple crops consumed by a large part of the human population but the issue of salinity is one of the limiting factors affecting its productivity. The objective of this study was to identify salt tolerant genotype for deployment into salt stressed regions and also for population improvement for salinity breeding programme. Material and Methods: the study was a potted experiment using 8 korean lines and UPIA1 and UPIA2 as check in a randomized complete block design with four levels of sodium chloride concentration (0, 2, 3 and 6 dS/m) replicated three times at the University of Port Harcourt Teaching and Research Farm. Result: most of the genotype showed differential response to salinity stress. Varieties like UPN 509, UPN 216, constantly showed high mean value for Leaf Area Index, 1000 grain weight, plant height and tillering ability across the salinity concentration gradient in salinity tolerance index. Principle Component 1 and 2 contributed 46.17% and 15.17% respectively of the total variation. Total grain yield showed strong positive significant correlation with plant height, grain weight per panicle leaf area index and 1000 grain weight. In conclusion, UPN 509 which showed the highest yielding capacity and UPN 216 which showed the highest tillering ability and tolerance to salinity stress at the highest concentration level maybe promising genotypes for deployment into saline stressed environment.
Published in | American Journal of Agriculture and Forestry (Volume 8, Issue 1) |
DOI | 10.11648/j.ajaf.20200801.13 |
Page(s) | 15-21 |
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. |
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Copyright © The Author(s), 2020. Published by Science Publishing Group |
Oryza Sativa, Salinity, Yield, Yield Components, Salinity Tolerance Index
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APA Style
Andrew Abiodun Efisue, Cynthia Chimezie Dike. (2020). Screening Rice (Oryza sativa. L.) for Salinity Tolerance for Yield and Yield Components in Saline Stressed Environment. American Journal of Agriculture and Forestry, 8(1), 15-21. https://doi.org/10.11648/j.ajaf.20200801.13
ACS Style
Andrew Abiodun Efisue; Cynthia Chimezie Dike. Screening Rice (Oryza sativa. L.) for Salinity Tolerance for Yield and Yield Components in Saline Stressed Environment. Am. J. Agric. For. 2020, 8(1), 15-21. doi: 10.11648/j.ajaf.20200801.13
AMA Style
Andrew Abiodun Efisue, Cynthia Chimezie Dike. Screening Rice (Oryza sativa. L.) for Salinity Tolerance for Yield and Yield Components in Saline Stressed Environment. Am J Agric For. 2020;8(1):15-21. doi: 10.11648/j.ajaf.20200801.13
@article{10.11648/j.ajaf.20200801.13, author = {Andrew Abiodun Efisue and Cynthia Chimezie Dike}, title = {Screening Rice (Oryza sativa. L.) for Salinity Tolerance for Yield and Yield Components in Saline Stressed Environment}, journal = {American Journal of Agriculture and Forestry}, volume = {8}, number = {1}, pages = {15-21}, doi = {10.11648/j.ajaf.20200801.13}, url = {https://doi.org/10.11648/j.ajaf.20200801.13}, eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajaf.20200801.13}, abstract = {Rice is one of the most important staple crops consumed by a large part of the human population but the issue of salinity is one of the limiting factors affecting its productivity. The objective of this study was to identify salt tolerant genotype for deployment into salt stressed regions and also for population improvement for salinity breeding programme. Material and Methods: the study was a potted experiment using 8 korean lines and UPIA1 and UPIA2 as check in a randomized complete block design with four levels of sodium chloride concentration (0, 2, 3 and 6 dS/m) replicated three times at the University of Port Harcourt Teaching and Research Farm. Result: most of the genotype showed differential response to salinity stress. Varieties like UPN 509, UPN 216, constantly showed high mean value for Leaf Area Index, 1000 grain weight, plant height and tillering ability across the salinity concentration gradient in salinity tolerance index. Principle Component 1 and 2 contributed 46.17% and 15.17% respectively of the total variation. Total grain yield showed strong positive significant correlation with plant height, grain weight per panicle leaf area index and 1000 grain weight. In conclusion, UPN 509 which showed the highest yielding capacity and UPN 216 which showed the highest tillering ability and tolerance to salinity stress at the highest concentration level maybe promising genotypes for deployment into saline stressed environment.}, year = {2020} }
TY - JOUR T1 - Screening Rice (Oryza sativa. L.) for Salinity Tolerance for Yield and Yield Components in Saline Stressed Environment AU - Andrew Abiodun Efisue AU - Cynthia Chimezie Dike Y1 - 2020/02/10 PY - 2020 N1 - https://doi.org/10.11648/j.ajaf.20200801.13 DO - 10.11648/j.ajaf.20200801.13 T2 - American Journal of Agriculture and Forestry JF - American Journal of Agriculture and Forestry JO - American Journal of Agriculture and Forestry SP - 15 EP - 21 PB - Science Publishing Group SN - 2330-8591 UR - https://doi.org/10.11648/j.ajaf.20200801.13 AB - Rice is one of the most important staple crops consumed by a large part of the human population but the issue of salinity is one of the limiting factors affecting its productivity. The objective of this study was to identify salt tolerant genotype for deployment into salt stressed regions and also for population improvement for salinity breeding programme. Material and Methods: the study was a potted experiment using 8 korean lines and UPIA1 and UPIA2 as check in a randomized complete block design with four levels of sodium chloride concentration (0, 2, 3 and 6 dS/m) replicated three times at the University of Port Harcourt Teaching and Research Farm. Result: most of the genotype showed differential response to salinity stress. Varieties like UPN 509, UPN 216, constantly showed high mean value for Leaf Area Index, 1000 grain weight, plant height and tillering ability across the salinity concentration gradient in salinity tolerance index. Principle Component 1 and 2 contributed 46.17% and 15.17% respectively of the total variation. Total grain yield showed strong positive significant correlation with plant height, grain weight per panicle leaf area index and 1000 grain weight. In conclusion, UPN 509 which showed the highest yielding capacity and UPN 216 which showed the highest tillering ability and tolerance to salinity stress at the highest concentration level maybe promising genotypes for deployment into saline stressed environment. VL - 8 IS - 1 ER -