Genotype x Environment Interaction and Stability Analysis for Gran Yield of Diallel Cross Maize Hybrids Across Tropical Medium and Highland Ecologies

Alphonse Nyombayire; John Derera; Julia Sibiya; Claver Ngaboyisonga

doi:doi:10.11648/j.jps.20180603.14

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Genotype x Environment Interaction and Stability Analysis for Gran Yield of Diallel Cross Maize Hybrids Across Tropical Medium and Highland Ecologies

Alphonse Nyombayire, John Derera, Julia Sibiya, Claver Ngaboyisonga

Published in Journal of Plant Sciences (Volume 6, Issue 3)

Received: 5 April 2018 Accepted: 23 April 2018 Published: 21 August 2018

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Abstract

Genotype x environment (G x E) interaction is the differential performance of genotypes across environments, especially in the tropics where seasonal and spatial variability is large. This results in serious challenges of product selection across environments. The objectives of this study were to determine G x E interaction and yield stability of new diallel cross maize hybrids and to identify suitable genotypes for the medium and highland ecologies in Rwanda. Forty- five diallel cross maize hybrids and three commercial checks were evaluated in four locations representing the major agro-ecologies of Rwanda over three seasons. The data were subjected to genotype and genotype by environment interaction (GGE) biplot analysis, using Genstat statistical package. The analysis revealed two mega-environments which discriminated the hybrids. Two genotypes 3 (S1/S4) and 25 (S4/S5) displayed specific adaptation; qualifying them as candidates for further testing in respective mega-environments. Genotypes 3 (S1/S4) and 29 (S4/S9) demonstrated high yield and stability. Overall, the study revealed crossover interaction and there is need to breed for both broad and specific adaptation in these medium and high altitude environments.

Published in	Journal of Plant Sciences (Volume 6, Issue 3)
DOI	10.11648/j.jps.20180603.14
Page(s)	101-106
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), 2018. Published by Science Publishing Group

Keywords

Biplot, Genotype by Environment Interaction, Grain Yield, Maize Hybrids, Stability

References

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APA Style

Alphonse Nyombayire, John Derera, Julia Sibiya, Claver Ngaboyisonga. (2018). Genotype x Environment Interaction and Stability Analysis for Gran Yield of Diallel Cross Maize Hybrids Across Tropical Medium and Highland Ecologies. Journal of Plant Sciences, 6(3), 101-106. https://doi.org/10.11648/j.jps.20180603.14

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ACS Style

Alphonse Nyombayire; John Derera; Julia Sibiya; Claver Ngaboyisonga. Genotype x Environment Interaction and Stability Analysis for Gran Yield of Diallel Cross Maize Hybrids Across Tropical Medium and Highland Ecologies. J. Plant Sci. 2018, 6(3), 101-106. doi: 10.11648/j.jps.20180603.14

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AMA Style

Alphonse Nyombayire, John Derera, Julia Sibiya, Claver Ngaboyisonga. Genotype x Environment Interaction and Stability Analysis for Gran Yield of Diallel Cross Maize Hybrids Across Tropical Medium and Highland Ecologies. J Plant Sci. 2018;6(3):101-106. doi: 10.11648/j.jps.20180603.14

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@article{10.11648/j.jps.20180603.14,
  author = {Alphonse Nyombayire and John Derera and Julia Sibiya and Claver Ngaboyisonga},
  title = {Genotype x Environment Interaction and Stability Analysis for Gran Yield of Diallel Cross Maize Hybrids Across Tropical Medium and Highland Ecologies},
  journal = {Journal of Plant Sciences},
  volume = {6},
  number = {3},
  pages = {101-106},
  doi = {10.11648/j.jps.20180603.14},
  url = {https://doi.org/10.11648/j.jps.20180603.14},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jps.20180603.14},
  abstract = {Genotype x environment (G x E) interaction is the differential performance of genotypes across environments, especially in the tropics where seasonal and spatial variability is large. This results in serious challenges of product selection across environments. The objectives of this study were to determine G x E interaction and yield stability of new diallel cross maize hybrids and to identify suitable genotypes for the medium and highland ecologies in Rwanda. Forty- five diallel cross maize hybrids and three commercial checks were evaluated in four locations representing the major agro-ecologies of Rwanda over three seasons. The data were subjected to genotype and genotype by environment interaction (GGE) biplot analysis, using Genstat statistical package. The analysis revealed two mega-environments which discriminated the hybrids. Two genotypes 3 (S1/S4) and 25 (S4/S5) displayed specific adaptation; qualifying them as candidates for further testing in respective mega-environments. Genotypes 3 (S1/S4) and 29 (S4/S9) demonstrated high yield and stability. Overall, the study revealed crossover interaction and there is need to breed for both broad and specific adaptation in these medium and high altitude environments.},
 year = {2018}
}

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TY  - JOUR
T1  - Genotype x Environment Interaction and Stability Analysis for Gran Yield of Diallel Cross Maize Hybrids Across Tropical Medium and Highland Ecologies
AU  - Alphonse Nyombayire
AU  - John Derera
AU  - Julia Sibiya
AU  - Claver Ngaboyisonga
Y1  - 2018/08/21
PY  - 2018
N1  - https://doi.org/10.11648/j.jps.20180603.14
DO  - 10.11648/j.jps.20180603.14
T2  - Journal of Plant Sciences
JF  - Journal of Plant Sciences
JO  - Journal of Plant Sciences
SP  - 101
EP  - 106
PB  - Science Publishing Group
SN  - 2331-0731
UR  - https://doi.org/10.11648/j.jps.20180603.14
AB  - Genotype x environment (G x E) interaction is the differential performance of genotypes across environments, especially in the tropics where seasonal and spatial variability is large. This results in serious challenges of product selection across environments. The objectives of this study were to determine G x E interaction and yield stability of new diallel cross maize hybrids and to identify suitable genotypes for the medium and highland ecologies in Rwanda. Forty- five diallel cross maize hybrids and three commercial checks were evaluated in four locations representing the major agro-ecologies of Rwanda over three seasons. The data were subjected to genotype and genotype by environment interaction (GGE) biplot analysis, using Genstat statistical package. The analysis revealed two mega-environments which discriminated the hybrids. Two genotypes 3 (S1/S4) and 25 (S4/S5) displayed specific adaptation; qualifying them as candidates for further testing in respective mega-environments. Genotypes 3 (S1/S4) and 29 (S4/S9) demonstrated high yield and stability. Overall, the study revealed crossover interaction and there is need to breed for both broad and specific adaptation in these medium and high altitude environments.
VL  - 6
IS  - 3
ER  -

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Author Information

Alphonse Nyombayire

African Centre for Crop Improvement, University of KwaZulu-Natal, Pietermaritzburg, South Africa
John Derera

African Centre for Crop Improvement, University of KwaZulu-Natal, Pietermaritzburg, South Africa
Julia Sibiya

African Centre for Crop Improvement, University of KwaZulu-Natal, Pietermaritzburg, South Africa
Claver Ngaboyisonga

Reaserch Department, Rwanda Agriculture Board, Kigali, Rwanda

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Plain Text BibTeX RIS

APA Style

Alphonse Nyombayire, John Derera, Julia Sibiya, Claver Ngaboyisonga. (2018). Genotype x Environment Interaction and Stability Analysis for Gran Yield of Diallel Cross Maize Hybrids Across Tropical Medium and Highland Ecologies. Journal of Plant Sciences, 6(3), 101-106. https://doi.org/10.11648/j.jps.20180603.14

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ACS Style

Alphonse Nyombayire; John Derera; Julia Sibiya; Claver Ngaboyisonga. Genotype x Environment Interaction and Stability Analysis for Gran Yield of Diallel Cross Maize Hybrids Across Tropical Medium and Highland Ecologies. J. Plant Sci. 2018, 6(3), 101-106. doi: 10.11648/j.jps.20180603.14

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AMA Style

Alphonse Nyombayire, John Derera, Julia Sibiya, Claver Ngaboyisonga. Genotype x Environment Interaction and Stability Analysis for Gran Yield of Diallel Cross Maize Hybrids Across Tropical Medium and Highland Ecologies. J Plant Sci. 2018;6(3):101-106. doi: 10.11648/j.jps.20180603.14

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@article{10.11648/j.jps.20180603.14,
  author = {Alphonse Nyombayire and John Derera and Julia Sibiya and Claver Ngaboyisonga},
  title = {Genotype x Environment Interaction and Stability Analysis for Gran Yield of Diallel Cross Maize Hybrids Across Tropical Medium and Highland Ecologies},
  journal = {Journal of Plant Sciences},
  volume = {6},
  number = {3},
  pages = {101-106},
  doi = {10.11648/j.jps.20180603.14},
  url = {https://doi.org/10.11648/j.jps.20180603.14},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jps.20180603.14},
  abstract = {Genotype x environment (G x E) interaction is the differential performance of genotypes across environments, especially in the tropics where seasonal and spatial variability is large. This results in serious challenges of product selection across environments. The objectives of this study were to determine G x E interaction and yield stability of new diallel cross maize hybrids and to identify suitable genotypes for the medium and highland ecologies in Rwanda. Forty- five diallel cross maize hybrids and three commercial checks were evaluated in four locations representing the major agro-ecologies of Rwanda over three seasons. The data were subjected to genotype and genotype by environment interaction (GGE) biplot analysis, using Genstat statistical package. The analysis revealed two mega-environments which discriminated the hybrids. Two genotypes 3 (S1/S4) and 25 (S4/S5) displayed specific adaptation; qualifying them as candidates for further testing in respective mega-environments. Genotypes 3 (S1/S4) and 29 (S4/S9) demonstrated high yield and stability. Overall, the study revealed crossover interaction and there is need to breed for both broad and specific adaptation in these medium and high altitude environments.},
 year = {2018}
}

Copy | Download

TY  - JOUR
T1  - Genotype x Environment Interaction and Stability Analysis for Gran Yield of Diallel Cross Maize Hybrids Across Tropical Medium and Highland Ecologies
AU  - Alphonse Nyombayire
AU  - John Derera
AU  - Julia Sibiya
AU  - Claver Ngaboyisonga
Y1  - 2018/08/21
PY  - 2018
N1  - https://doi.org/10.11648/j.jps.20180603.14
DO  - 10.11648/j.jps.20180603.14
T2  - Journal of Plant Sciences
JF  - Journal of Plant Sciences
JO  - Journal of Plant Sciences
SP  - 101
EP  - 106
PB  - Science Publishing Group
SN  - 2331-0731
UR  - https://doi.org/10.11648/j.jps.20180603.14
AB  - Genotype x environment (G x E) interaction is the differential performance of genotypes across environments, especially in the tropics where seasonal and spatial variability is large. This results in serious challenges of product selection across environments. The objectives of this study were to determine G x E interaction and yield stability of new diallel cross maize hybrids and to identify suitable genotypes for the medium and highland ecologies in Rwanda. Forty- five diallel cross maize hybrids and three commercial checks were evaluated in four locations representing the major agro-ecologies of Rwanda over three seasons. The data were subjected to genotype and genotype by environment interaction (GGE) biplot analysis, using Genstat statistical package. The analysis revealed two mega-environments which discriminated the hybrids. Two genotypes 3 (S1/S4) and 25 (S4/S5) displayed specific adaptation; qualifying them as candidates for further testing in respective mega-environments. Genotypes 3 (S1/S4) and 29 (S4/S9) demonstrated high yield and stability. Overall, the study revealed crossover interaction and there is need to breed for both broad and specific adaptation in these medium and high altitude environments.
VL  - 6
IS  - 3
ER  -

Copy | Download