Interrelationship and Path Coefficient Analysis of Some Growth and Yield Characteristics in Cowpea (Vigna Unguiculata L. Walp) Genotypes

Diriba Shanko; Mebeasellasie Andargie; Habtamu Zelleke

doi:doi:10.11648/j.jps.20140202.13

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Interrelationship and Path Coefficient Analysis of Some Growth and Yield Characteristics in Cowpea (Vigna Unguiculata L. Walp) Genotypes

Diriba Shanko, Mebeasellasie Andargie, Habtamu Zelleke

Published in Journal of Plant Sciences (Volume 2, Issue 2)

Received: 12 April 2014 Accepted: 8 May 2014 Published: 20 May 2014

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Abstract

Field experiments were conducted during 2010/2011 to determine the interrelationship and path coefficient analysis of growth characters to seed yield. The experiment was laid out in 7 x 7 triple lattice designs at Haramaya University research farm, Dire Dawa. Seed yield exhibited positive and significant environmental correlation with number of primary branches per plant, number of secondary branches per plant, days to 50% flowering, number of pods per plant, number of seeds per pod and plant height. Path analysis revealed that, yield per plant exerted the maximum positive direct effect on seed yield followed by number of pods per plant, while number of secondary branches per plant, days to flowering, days to maturity and number of seed per pod exhibited negative direct effect phenotypically. In addition, genotypic path analysis revealed that, maximum direct effect on seed yield was exerted by number of pods per plant and yield per plant. However, days to 50% flowering, days to maturity, number of secondary branches per plant and number of seed per pod exerted negative direct effect on seed yield. Thus, yield per plant and number of pods per plant could be used as a selection index for cowpea improvement.

Published in	Journal of Plant Sciences (Volume 2, Issue 2)
DOI	10.11648/j.jps.20140202.13
Page(s)	97-101
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), 2014. Published by Science Publishing Group

Keywords

Correlation, Cowpea, Interrelationship, Path Analysis

References

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Diriba Shanko, Mebeasellasie Andargie, Habtamu Zelleke. (2014). Interrelationship and Path Coefficient Analysis of Some Growth and Yield Characteristics in Cowpea (Vigna Unguiculata L. Walp) Genotypes. Journal of Plant Sciences, 2(2), 97-101. https://doi.org/10.11648/j.jps.20140202.13

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ACS Style

Diriba Shanko; Mebeasellasie Andargie; Habtamu Zelleke. Interrelationship and Path Coefficient Analysis of Some Growth and Yield Characteristics in Cowpea (Vigna Unguiculata L. Walp) Genotypes. J. Plant Sci. 2014, 2(2), 97-101. doi: 10.11648/j.jps.20140202.13

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AMA Style

Diriba Shanko, Mebeasellasie Andargie, Habtamu Zelleke. Interrelationship and Path Coefficient Analysis of Some Growth and Yield Characteristics in Cowpea (Vigna Unguiculata L. Walp) Genotypes. J Plant Sci. 2014;2(2):97-101. doi: 10.11648/j.jps.20140202.13

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@article{10.11648/j.jps.20140202.13,
  author = {Diriba Shanko and Mebeasellasie Andargie and Habtamu Zelleke},
  title = {Interrelationship and Path Coefficient Analysis of Some Growth and Yield Characteristics in Cowpea (Vigna Unguiculata L. Walp) Genotypes},
  journal = {Journal of Plant Sciences},
  volume = {2},
  number = {2},
  pages = {97-101},
  doi = {10.11648/j.jps.20140202.13},
  url = {https://doi.org/10.11648/j.jps.20140202.13},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jps.20140202.13},
  abstract = {Field experiments were conducted during 2010/2011 to determine the interrelationship and path coefficient analysis of growth characters to seed yield. The experiment was laid out in 7 x 7 triple lattice designs at Haramaya University research farm, Dire Dawa. Seed yield exhibited positive and significant environmental correlation with number of primary branches per plant, number of secondary branches per plant, days to 50% flowering, number of pods per plant, number of seeds per pod and plant height. Path analysis revealed that, yield per plant exerted the maximum positive direct effect on seed yield followed by number of pods per plant, while number of secondary branches per plant, days to flowering, days to maturity  and number of seed per pod exhibited negative direct effect phenotypically. In addition, genotypic path analysis revealed that, maximum direct effect on seed yield was exerted by number of pods per plant and yield per plant. However, days to 50% flowering, days to maturity, number of secondary branches per plant and number of seed per pod exerted negative direct effect on seed yield. Thus, yield per plant and number of pods per plant could be used as a selection index for cowpea improvement.},
 year = {2014}
}

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TY  - JOUR
T1  - Interrelationship and Path Coefficient Analysis of Some Growth and Yield Characteristics in Cowpea (Vigna Unguiculata L. Walp) Genotypes
AU  - Diriba Shanko
AU  - Mebeasellasie Andargie
AU  - Habtamu Zelleke
Y1  - 2014/05/20
PY  - 2014
N1  - https://doi.org/10.11648/j.jps.20140202.13
DO  - 10.11648/j.jps.20140202.13
T2  - Journal of Plant Sciences
JF  - Journal of Plant Sciences
JO  - Journal of Plant Sciences
SP  - 97
EP  - 101
PB  - Science Publishing Group
SN  - 2331-0731
UR  - https://doi.org/10.11648/j.jps.20140202.13
AB  - Field experiments were conducted during 2010/2011 to determine the interrelationship and path coefficient analysis of growth characters to seed yield. The experiment was laid out in 7 x 7 triple lattice designs at Haramaya University research farm, Dire Dawa. Seed yield exhibited positive and significant environmental correlation with number of primary branches per plant, number of secondary branches per plant, days to 50% flowering, number of pods per plant, number of seeds per pod and plant height. Path analysis revealed that, yield per plant exerted the maximum positive direct effect on seed yield followed by number of pods per plant, while number of secondary branches per plant, days to flowering, days to maturity  and number of seed per pod exhibited negative direct effect phenotypically. In addition, genotypic path analysis revealed that, maximum direct effect on seed yield was exerted by number of pods per plant and yield per plant. However, days to 50% flowering, days to maturity, number of secondary branches per plant and number of seed per pod exerted negative direct effect on seed yield. Thus, yield per plant and number of pods per plant could be used as a selection index for cowpea improvement.
VL  - 2
IS  - 2
ER  -

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Author Information

Diriba Shanko

Department of Biology, Bule Hora University, Bule Hora, Ethiopia
Mebeasellasie Andargie

Biology Department, Haramaya University (HU), P.O. Box: 138, Dire Dawa, Ethiopia
Habtamu Zelleke

Plant Sciences Department, College of Agriculture and Environmental Sciences, Haramaya University (HU), Dire Dawa, Ethiopia

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Plain Text BibTeX RIS

APA Style

Diriba Shanko, Mebeasellasie Andargie, Habtamu Zelleke. (2014). Interrelationship and Path Coefficient Analysis of Some Growth and Yield Characteristics in Cowpea (Vigna Unguiculata L. Walp) Genotypes. Journal of Plant Sciences, 2(2), 97-101. https://doi.org/10.11648/j.jps.20140202.13

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ACS Style

Diriba Shanko; Mebeasellasie Andargie; Habtamu Zelleke. Interrelationship and Path Coefficient Analysis of Some Growth and Yield Characteristics in Cowpea (Vigna Unguiculata L. Walp) Genotypes. J. Plant Sci. 2014, 2(2), 97-101. doi: 10.11648/j.jps.20140202.13

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AMA Style

Diriba Shanko, Mebeasellasie Andargie, Habtamu Zelleke. Interrelationship and Path Coefficient Analysis of Some Growth and Yield Characteristics in Cowpea (Vigna Unguiculata L. Walp) Genotypes. J Plant Sci. 2014;2(2):97-101. doi: 10.11648/j.jps.20140202.13

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@article{10.11648/j.jps.20140202.13,
  author = {Diriba Shanko and Mebeasellasie Andargie and Habtamu Zelleke},
  title = {Interrelationship and Path Coefficient Analysis of Some Growth and Yield Characteristics in Cowpea (Vigna Unguiculata L. Walp) Genotypes},
  journal = {Journal of Plant Sciences},
  volume = {2},
  number = {2},
  pages = {97-101},
  doi = {10.11648/j.jps.20140202.13},
  url = {https://doi.org/10.11648/j.jps.20140202.13},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jps.20140202.13},
  abstract = {Field experiments were conducted during 2010/2011 to determine the interrelationship and path coefficient analysis of growth characters to seed yield. The experiment was laid out in 7 x 7 triple lattice designs at Haramaya University research farm, Dire Dawa. Seed yield exhibited positive and significant environmental correlation with number of primary branches per plant, number of secondary branches per plant, days to 50% flowering, number of pods per plant, number of seeds per pod and plant height. Path analysis revealed that, yield per plant exerted the maximum positive direct effect on seed yield followed by number of pods per plant, while number of secondary branches per plant, days to flowering, days to maturity  and number of seed per pod exhibited negative direct effect phenotypically. In addition, genotypic path analysis revealed that, maximum direct effect on seed yield was exerted by number of pods per plant and yield per plant. However, days to 50% flowering, days to maturity, number of secondary branches per plant and number of seed per pod exerted negative direct effect on seed yield. Thus, yield per plant and number of pods per plant could be used as a selection index for cowpea improvement.},
 year = {2014}
}

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TY  - JOUR
T1  - Interrelationship and Path Coefficient Analysis of Some Growth and Yield Characteristics in Cowpea (Vigna Unguiculata L. Walp) Genotypes
AU  - Diriba Shanko
AU  - Mebeasellasie Andargie
AU  - Habtamu Zelleke
Y1  - 2014/05/20
PY  - 2014
N1  - https://doi.org/10.11648/j.jps.20140202.13
DO  - 10.11648/j.jps.20140202.13
T2  - Journal of Plant Sciences
JF  - Journal of Plant Sciences
JO  - Journal of Plant Sciences
SP  - 97
EP  - 101
PB  - Science Publishing Group
SN  - 2331-0731
UR  - https://doi.org/10.11648/j.jps.20140202.13
AB  - Field experiments were conducted during 2010/2011 to determine the interrelationship and path coefficient analysis of growth characters to seed yield. The experiment was laid out in 7 x 7 triple lattice designs at Haramaya University research farm, Dire Dawa. Seed yield exhibited positive and significant environmental correlation with number of primary branches per plant, number of secondary branches per plant, days to 50% flowering, number of pods per plant, number of seeds per pod and plant height. Path analysis revealed that, yield per plant exerted the maximum positive direct effect on seed yield followed by number of pods per plant, while number of secondary branches per plant, days to flowering, days to maturity  and number of seed per pod exhibited negative direct effect phenotypically. In addition, genotypic path analysis revealed that, maximum direct effect on seed yield was exerted by number of pods per plant and yield per plant. However, days to 50% flowering, days to maturity, number of secondary branches per plant and number of seed per pod exerted negative direct effect on seed yield. Thus, yield per plant and number of pods per plant could be used as a selection index for cowpea improvement.
VL  - 2
IS  - 2
ER  -

Copy | Download