Impact of Salinity on Tolerance, Vigor, and Seedling Relative Water Content of Haricot Bean (Phaseolus Vulgaris L.) Cultivars

Habtamu Ashagre Asmare

doi:doi:10.11648/j.jps.20130103.11

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Impact of Salinity on Tolerance, Vigor, and Seedling Relative Water Content of Haricot Bean (Phaseolus Vulgaris L.) Cultivars

Habtamu Ashagre Asmare

Published in Journal of Plant Sciences (Volume 1, Issue 3)

Received: 24 August 2013 Published: 20 October 2013

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Abstract

A laboratory experiment was undertaken to evaluate the impact of salinity on seedling tolerance and vigor indices, phytotoxicity, and relative water content of haricot bean cultivars. Two haricot bean cultivars (Lehade and Chercher) and five salinity levels (0, 2, 4, 8, and 16mM) were factorialy arranged in Completely Randomized Design with three replications. The result of the study revealed that no significant interaction effect between cultivars vs salinity treatments (p<0.05). However, cultivars differ significantly (p<0.05) on seedling and root vigor indices, shoot phytotoxicity, and relative water content of shoot and root. Lehade gave higher seedling, shoot and root vigor indices; whereas, Chercher gave relatively higher seedling tolerance index, and lower shoot and root phytotoxicity. The highest relative shoot and root water contents were recorded on Chercher compared to Lehade. The increase in NaCl concentrations significantly (p<0.05) decreased seedling, shoot, and root vigor indices; and the lowest vigor indices were observed on 16mM NaCl concentration. However, the phytotoxicity of shoot and root increased as the concentrations of NaCl increased; and the lowest value of phytotoxicity observed at control treatment and 2 mM, while the highest on 16mM. Significant negative relationships were observed between relative shoot (R2 = 0.896) and root (R² = 0.904) water contents, and salinity concentrations. In conclusion, cultivars varied genetically for their tolerance, and relative water content. The increase in salinity decreased vigor and tolerance indices, and relative water content; however increased phytotoxicity percentage of root and shoot of haricot bean.

Published in	Journal of Plant Sciences (Volume 1, Issue 3)
DOI	10.11648/j.jps.20130103.11
Page(s)	22-27
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), 2013. Published by Science Publishing Group

Keywords

Nacl, Phaseolus Vulgaris, Phytotoxicity, Relative Water Content, Tolerance, Vigor

References

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APA Style

Habtamu Ashagre Asmare. (2013). Impact of Salinity on Tolerance, Vigor, and Seedling Relative Water Content of Haricot Bean (Phaseolus Vulgaris L.) Cultivars. Journal of Plant Sciences, 1(3), 22-27. https://doi.org/10.11648/j.jps.20130103.11

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ACS Style

Habtamu Ashagre Asmare. Impact of Salinity on Tolerance, Vigor, and Seedling Relative Water Content of Haricot Bean (Phaseolus Vulgaris L.) Cultivars. J. Plant Sci. 2013, 1(3), 22-27. doi: 10.11648/j.jps.20130103.11

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AMA Style

Habtamu Ashagre Asmare. Impact of Salinity on Tolerance, Vigor, and Seedling Relative Water Content of Haricot Bean (Phaseolus Vulgaris L.) Cultivars. J Plant Sci. 2013;1(3):22-27. doi: 10.11648/j.jps.20130103.11

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@article{10.11648/j.jps.20130103.11,
  author = {Habtamu Ashagre Asmare},
  title = {Impact of Salinity on Tolerance, Vigor, and Seedling Relative Water Content of Haricot Bean (Phaseolus Vulgaris L.) Cultivars},
  journal = {Journal of Plant Sciences},
  volume = {1},
  number = {3},
  pages = {22-27},
  doi = {10.11648/j.jps.20130103.11},
  url = {https://doi.org/10.11648/j.jps.20130103.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jps.20130103.11},
  abstract = {A laboratory experiment was undertaken to evaluate the impact of salinity on seedling tolerance and vigor indices, phytotoxicity, and relative water content of haricot bean cultivars. Two haricot bean cultivars (Lehade and Chercher) and five salinity levels (0, 2, 4, 8, and 16mM) were factorialy arranged in Completely Randomized Design with three replications. The result of the study revealed that no significant interaction effect between cultivars vs salinity treatments (p<0.05). However, cultivars differ significantly (p<0.05) on seedling and root vigor indices, shoot phytotoxicity, and relative water content of shoot and root. Lehade gave higher seedling, shoot and root vigor indices; whereas, Chercher gave relatively higher seedling tolerance index, and lower shoot and root phytotoxicity. The highest relative shoot and root water contents were recorded on Chercher compared to Lehade. The increase in NaCl concentrations significantly (p<0.05) decreased seedling, shoot, and root vigor indices; and the lowest vigor indices were observed on 16mM NaCl concentration. However, the phytotoxicity of shoot and root increased as the concentrations of NaCl increased; and the lowest value of phytotoxicity observed at control treatment and 2 mM, while the highest on 16mM. Significant negative relationships were observed between relative shoot (R2 = 0.896) and root (R² = 0.904) water contents, and salinity concentrations. In conclusion, cultivars varied genetically for their tolerance, and relative water content. The increase in salinity decreased vigor and tolerance indices, and relative water content; however increased phytotoxicity percentage of root and shoot of haricot bean.},
 year = {2013}
}

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TY  - JOUR
T1  - Impact of Salinity on Tolerance, Vigor, and Seedling Relative Water Content of Haricot Bean (Phaseolus Vulgaris L.) Cultivars
AU  - Habtamu Ashagre Asmare
Y1  - 2013/10/20
PY  - 2013
N1  - https://doi.org/10.11648/j.jps.20130103.11
DO  - 10.11648/j.jps.20130103.11
T2  - Journal of Plant Sciences
JF  - Journal of Plant Sciences
JO  - Journal of Plant Sciences
SP  - 22
EP  - 27
PB  - Science Publishing Group
SN  - 2331-0731
UR  - https://doi.org/10.11648/j.jps.20130103.11
AB  - A laboratory experiment was undertaken to evaluate the impact of salinity on seedling tolerance and vigor indices, phytotoxicity, and relative water content of haricot bean cultivars. Two haricot bean cultivars (Lehade and Chercher) and five salinity levels (0, 2, 4, 8, and 16mM) were factorialy arranged in Completely Randomized Design with three replications. The result of the study revealed that no significant interaction effect between cultivars vs salinity treatments (p<0.05). However, cultivars differ significantly (p<0.05) on seedling and root vigor indices, shoot phytotoxicity, and relative water content of shoot and root. Lehade gave higher seedling, shoot and root vigor indices; whereas, Chercher gave relatively higher seedling tolerance index, and lower shoot and root phytotoxicity. The highest relative shoot and root water contents were recorded on Chercher compared to Lehade. The increase in NaCl concentrations significantly (p<0.05) decreased seedling, shoot, and root vigor indices; and the lowest vigor indices were observed on 16mM NaCl concentration. However, the phytotoxicity of shoot and root increased as the concentrations of NaCl increased; and the lowest value of phytotoxicity observed at control treatment and 2 mM, while the highest on 16mM. Significant negative relationships were observed between relative shoot (R2 = 0.896) and root (R² = 0.904) water contents, and salinity concentrations. In conclusion, cultivars varied genetically for their tolerance, and relative water content. The increase in salinity decreased vigor and tolerance indices, and relative water content; however increased phytotoxicity percentage of root and shoot of haricot bean.
VL  - 1
IS  - 3
ER  -

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Habtamu Ashagre Asmare

College of Agriculture and Veterinary Sciences, Department of Plant Sciences and Horticulture, Ambo University, Ambo, Ethiopia

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Habtamu Ashagre Asmare. (2013). Impact of Salinity on Tolerance, Vigor, and Seedling Relative Water Content of Haricot Bean (Phaseolus Vulgaris L.) Cultivars. Journal of Plant Sciences, 1(3), 22-27. https://doi.org/10.11648/j.jps.20130103.11

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ACS Style

Habtamu Ashagre Asmare. Impact of Salinity on Tolerance, Vigor, and Seedling Relative Water Content of Haricot Bean (Phaseolus Vulgaris L.) Cultivars. J. Plant Sci. 2013, 1(3), 22-27. doi: 10.11648/j.jps.20130103.11

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AMA Style

Habtamu Ashagre Asmare. Impact of Salinity on Tolerance, Vigor, and Seedling Relative Water Content of Haricot Bean (Phaseolus Vulgaris L.) Cultivars. J Plant Sci. 2013;1(3):22-27. doi: 10.11648/j.jps.20130103.11

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@article{10.11648/j.jps.20130103.11,
  author = {Habtamu Ashagre Asmare},
  title = {Impact of Salinity on Tolerance, Vigor, and Seedling Relative Water Content of Haricot Bean (Phaseolus Vulgaris L.) Cultivars},
  journal = {Journal of Plant Sciences},
  volume = {1},
  number = {3},
  pages = {22-27},
  doi = {10.11648/j.jps.20130103.11},
  url = {https://doi.org/10.11648/j.jps.20130103.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jps.20130103.11},
  abstract = {A laboratory experiment was undertaken to evaluate the impact of salinity on seedling tolerance and vigor indices, phytotoxicity, and relative water content of haricot bean cultivars. Two haricot bean cultivars (Lehade and Chercher) and five salinity levels (0, 2, 4, 8, and 16mM) were factorialy arranged in Completely Randomized Design with three replications. The result of the study revealed that no significant interaction effect between cultivars vs salinity treatments (p<0.05). However, cultivars differ significantly (p<0.05) on seedling and root vigor indices, shoot phytotoxicity, and relative water content of shoot and root. Lehade gave higher seedling, shoot and root vigor indices; whereas, Chercher gave relatively higher seedling tolerance index, and lower shoot and root phytotoxicity. The highest relative shoot and root water contents were recorded on Chercher compared to Lehade. The increase in NaCl concentrations significantly (p<0.05) decreased seedling, shoot, and root vigor indices; and the lowest vigor indices were observed on 16mM NaCl concentration. However, the phytotoxicity of shoot and root increased as the concentrations of NaCl increased; and the lowest value of phytotoxicity observed at control treatment and 2 mM, while the highest on 16mM. Significant negative relationships were observed between relative shoot (R2 = 0.896) and root (R² = 0.904) water contents, and salinity concentrations. In conclusion, cultivars varied genetically for their tolerance, and relative water content. The increase in salinity decreased vigor and tolerance indices, and relative water content; however increased phytotoxicity percentage of root and shoot of haricot bean.},
 year = {2013}
}

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TY  - JOUR
T1  - Impact of Salinity on Tolerance, Vigor, and Seedling Relative Water Content of Haricot Bean (Phaseolus Vulgaris L.) Cultivars
AU  - Habtamu Ashagre Asmare
Y1  - 2013/10/20
PY  - 2013
N1  - https://doi.org/10.11648/j.jps.20130103.11
DO  - 10.11648/j.jps.20130103.11
T2  - Journal of Plant Sciences
JF  - Journal of Plant Sciences
JO  - Journal of Plant Sciences
SP  - 22
EP  - 27
PB  - Science Publishing Group
SN  - 2331-0731
UR  - https://doi.org/10.11648/j.jps.20130103.11
AB  - A laboratory experiment was undertaken to evaluate the impact of salinity on seedling tolerance and vigor indices, phytotoxicity, and relative water content of haricot bean cultivars. Two haricot bean cultivars (Lehade and Chercher) and five salinity levels (0, 2, 4, 8, and 16mM) were factorialy arranged in Completely Randomized Design with three replications. The result of the study revealed that no significant interaction effect between cultivars vs salinity treatments (p<0.05). However, cultivars differ significantly (p<0.05) on seedling and root vigor indices, shoot phytotoxicity, and relative water content of shoot and root. Lehade gave higher seedling, shoot and root vigor indices; whereas, Chercher gave relatively higher seedling tolerance index, and lower shoot and root phytotoxicity. The highest relative shoot and root water contents were recorded on Chercher compared to Lehade. The increase in NaCl concentrations significantly (p<0.05) decreased seedling, shoot, and root vigor indices; and the lowest vigor indices were observed on 16mM NaCl concentration. However, the phytotoxicity of shoot and root increased as the concentrations of NaCl increased; and the lowest value of phytotoxicity observed at control treatment and 2 mM, while the highest on 16mM. Significant negative relationships were observed between relative shoot (R2 = 0.896) and root (R² = 0.904) water contents, and salinity concentrations. In conclusion, cultivars varied genetically for their tolerance, and relative water content. The increase in salinity decreased vigor and tolerance indices, and relative water content; however increased phytotoxicity percentage of root and shoot of haricot bean.
VL  - 1
IS  - 3
ER  -

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