Impact of Climate Variability and Its Related Disease Prevalence on the Yield of Winter Wheat (Triticum Aestivum Lam) in South East Ethiopia

Chala Abebe Aredo; Cherinet Seboka Ambaye

doi:doi:10.11648/j.ijees.20200504.12

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Impact of Climate Variability and Its Related Disease Prevalence on the Yield of Winter Wheat (Triticum Aestivum Lam) in South East Ethiopia

Chala Abebe Aredo, Cherinet Seboka Ambaye

Published in International Journal of Energy and Environmental Science (Volume 5, Issue 4)

Received: 6 February 2020 Accepted: 4 March 2020 Published: 7 September 2020

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Abstract

Impacts of climate variability and disease prevalence on crop productivity (particularly wheat yield) are becoming major concern on their stable supply that affecting the livelihood of the farmers and consumers in South-East Ethiopia. The study was carried out with general objective to examine the effect of precipitation, temperature variation and disease prevalence on winter wheat (Triticum Aestivum Lam) for the last 20 years in Sinana farm of Oromia Seed Enterprise south east Ethiopia. Temperature and precipitation trends were evaluated using Sen’s slope estimator and Mann-Kendall trend test methods. The Pearson’s correlation coefficient was used to measure the strength of the association between crop yield and climatic variability. Predictor models on productivity status comprising disease prevalence associated to climate variability for 20 years were established. A1°C temperature rise in average seasonal maximum temperature above the optimum brought productivity reduction by 1.17% coefficient of determination R²=0.428. Further, in 1°C temperature rise, the regression analysis of the productivity related to stem rust prevalence was subjected to a positive impact under Tmin, Tmax, RH, and seasonal RF with coefficient of determination R²=0.756. On the other hand, yellow rust prevalence was positively correlated with minimum temperature, maximum temperature and average relative humidity, but it was negatively correlated with average seasonal temperature. The study concluded that the variability of climate elements has been exerting a huge impact on the quality and quantity of winter wheat.

Published in	International Journal of Energy and Environmental Science (Volume 5, Issue 4)
DOI	10.11648/j.ijees.20200504.12
Page(s)	66-74
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), 2020. Published by Science Publishing Group

Keywords

Climate Variability, Mann-Kendall, Sen’s Slop, Stem Rust, Yellow Rust

References

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APA Style

Chala Abebe Aredo, Cherinet Seboka Ambaye. (2020). Impact of Climate Variability and Its Related Disease Prevalence on the Yield of Winter Wheat (Triticum Aestivum Lam) in South East Ethiopia. International Journal of Energy and Environmental Science, 5(4), 66-74. https://doi.org/10.11648/j.ijees.20200504.12

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ACS Style

Chala Abebe Aredo; Cherinet Seboka Ambaye. Impact of Climate Variability and Its Related Disease Prevalence on the Yield of Winter Wheat (Triticum Aestivum Lam) in South East Ethiopia. Int. J. Energy Environ. Sci. 2020, 5(4), 66-74. doi: 10.11648/j.ijees.20200504.12

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AMA Style

Chala Abebe Aredo, Cherinet Seboka Ambaye. Impact of Climate Variability and Its Related Disease Prevalence on the Yield of Winter Wheat (Triticum Aestivum Lam) in South East Ethiopia. Int J Energy Environ Sci. 2020;5(4):66-74. doi: 10.11648/j.ijees.20200504.12

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@article{10.11648/j.ijees.20200504.12,
  author = {Chala Abebe Aredo and Cherinet Seboka Ambaye},
  title = {Impact of Climate Variability and Its Related Disease Prevalence on the Yield of Winter Wheat (Triticum Aestivum Lam) in South East Ethiopia},
  journal = {International Journal of Energy and Environmental Science},
  volume = {5},
  number = {4},
  pages = {66-74},
  doi = {10.11648/j.ijees.20200504.12},
  url = {https://doi.org/10.11648/j.ijees.20200504.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijees.20200504.12},
  abstract = {Impacts of climate variability and disease prevalence on crop productivity (particularly wheat yield) are becoming major concern on their stable supply that affecting the livelihood of the farmers and consumers in South-East Ethiopia. The study was carried out with general objective to examine the effect of precipitation, temperature variation and disease prevalence on winter wheat (Triticum Aestivum Lam) for the last 20 years in Sinana farm of Oromia Seed Enterprise south east Ethiopia. Temperature and precipitation trends were evaluated using Sen’s slope estimator and Mann-Kendall trend test methods. The Pearson’s correlation coefficient was used to measure the strength of the association between crop yield and climatic variability. Predictor models on productivity status comprising disease prevalence associated to climate variability for 20 years were established. A1°C temperature rise in average seasonal maximum temperature above the optimum brought productivity reduction by 1.17% coefficient of determination R2=0.428. Further, in 1°C temperature rise, the regression analysis of the productivity related to stem rust prevalence was subjected to a positive impact under Tmin, Tmax, RH, and seasonal RF with coefficient of determination R2=0.756. On the other hand, yellow rust prevalence was positively correlated with minimum temperature, maximum temperature and average relative humidity, but it was negatively correlated with average seasonal temperature. The study concluded that the variability of climate elements has been exerting a huge impact on the quality and quantity of winter wheat.},
 year = {2020}
}

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TY  - JOUR
T1  - Impact of Climate Variability and Its Related Disease Prevalence on the Yield of Winter Wheat (Triticum Aestivum Lam) in South East Ethiopia
AU  - Chala Abebe Aredo
AU  - Cherinet Seboka Ambaye
Y1  - 2020/09/07
PY  - 2020
N1  - https://doi.org/10.11648/j.ijees.20200504.12
DO  - 10.11648/j.ijees.20200504.12
T2  - International Journal of Energy and Environmental Science
JF  - International Journal of Energy and Environmental Science
JO  - International Journal of Energy and Environmental Science
SP  - 66
EP  - 74
PB  - Science Publishing Group
SN  - 2578-9546
UR  - https://doi.org/10.11648/j.ijees.20200504.12
AB  - Impacts of climate variability and disease prevalence on crop productivity (particularly wheat yield) are becoming major concern on their stable supply that affecting the livelihood of the farmers and consumers in South-East Ethiopia. The study was carried out with general objective to examine the effect of precipitation, temperature variation and disease prevalence on winter wheat (Triticum Aestivum Lam) for the last 20 years in Sinana farm of Oromia Seed Enterprise south east Ethiopia. Temperature and precipitation trends were evaluated using Sen’s slope estimator and Mann-Kendall trend test methods. The Pearson’s correlation coefficient was used to measure the strength of the association between crop yield and climatic variability. Predictor models on productivity status comprising disease prevalence associated to climate variability for 20 years were established. A1°C temperature rise in average seasonal maximum temperature above the optimum brought productivity reduction by 1.17% coefficient of determination R2=0.428. Further, in 1°C temperature rise, the regression analysis of the productivity related to stem rust prevalence was subjected to a positive impact under Tmin, Tmax, RH, and seasonal RF with coefficient of determination R2=0.756. On the other hand, yellow rust prevalence was positively correlated with minimum temperature, maximum temperature and average relative humidity, but it was negatively correlated with average seasonal temperature. The study concluded that the variability of climate elements has been exerting a huge impact on the quality and quantity of winter wheat.
VL  - 5
IS  - 4
ER  -

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Author Information

Chala Abebe Aredo

Oromia Seed Enterprize (OSE), Sinan Farm, Bale-Robe, Ethiopia
Cherinet Seboka Ambaye

College of Natural Science, Physics Department, Madda Walabu University, Bale-Robe, Ethiopia

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Chala Abebe Aredo, Cherinet Seboka Ambaye. (2020). Impact of Climate Variability and Its Related Disease Prevalence on the Yield of Winter Wheat (Triticum Aestivum Lam) in South East Ethiopia. International Journal of Energy and Environmental Science, 5(4), 66-74. https://doi.org/10.11648/j.ijees.20200504.12

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ACS Style

Chala Abebe Aredo; Cherinet Seboka Ambaye. Impact of Climate Variability and Its Related Disease Prevalence on the Yield of Winter Wheat (Triticum Aestivum Lam) in South East Ethiopia. Int. J. Energy Environ. Sci. 2020, 5(4), 66-74. doi: 10.11648/j.ijees.20200504.12

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AMA Style

Chala Abebe Aredo, Cherinet Seboka Ambaye. Impact of Climate Variability and Its Related Disease Prevalence on the Yield of Winter Wheat (Triticum Aestivum Lam) in South East Ethiopia. Int J Energy Environ Sci. 2020;5(4):66-74. doi: 10.11648/j.ijees.20200504.12

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@article{10.11648/j.ijees.20200504.12,
  author = {Chala Abebe Aredo and Cherinet Seboka Ambaye},
  title = {Impact of Climate Variability and Its Related Disease Prevalence on the Yield of Winter Wheat (Triticum Aestivum Lam) in South East Ethiopia},
  journal = {International Journal of Energy and Environmental Science},
  volume = {5},
  number = {4},
  pages = {66-74},
  doi = {10.11648/j.ijees.20200504.12},
  url = {https://doi.org/10.11648/j.ijees.20200504.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijees.20200504.12},
  abstract = {Impacts of climate variability and disease prevalence on crop productivity (particularly wheat yield) are becoming major concern on their stable supply that affecting the livelihood of the farmers and consumers in South-East Ethiopia. The study was carried out with general objective to examine the effect of precipitation, temperature variation and disease prevalence on winter wheat (Triticum Aestivum Lam) for the last 20 years in Sinana farm of Oromia Seed Enterprise south east Ethiopia. Temperature and precipitation trends were evaluated using Sen’s slope estimator and Mann-Kendall trend test methods. The Pearson’s correlation coefficient was used to measure the strength of the association between crop yield and climatic variability. Predictor models on productivity status comprising disease prevalence associated to climate variability for 20 years were established. A1°C temperature rise in average seasonal maximum temperature above the optimum brought productivity reduction by 1.17% coefficient of determination R2=0.428. Further, in 1°C temperature rise, the regression analysis of the productivity related to stem rust prevalence was subjected to a positive impact under Tmin, Tmax, RH, and seasonal RF with coefficient of determination R2=0.756. On the other hand, yellow rust prevalence was positively correlated with minimum temperature, maximum temperature and average relative humidity, but it was negatively correlated with average seasonal temperature. The study concluded that the variability of climate elements has been exerting a huge impact on the quality and quantity of winter wheat.},
 year = {2020}
}

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TY  - JOUR
T1  - Impact of Climate Variability and Its Related Disease Prevalence on the Yield of Winter Wheat (Triticum Aestivum Lam) in South East Ethiopia
AU  - Chala Abebe Aredo
AU  - Cherinet Seboka Ambaye
Y1  - 2020/09/07
PY  - 2020
N1  - https://doi.org/10.11648/j.ijees.20200504.12
DO  - 10.11648/j.ijees.20200504.12
T2  - International Journal of Energy and Environmental Science
JF  - International Journal of Energy and Environmental Science
JO  - International Journal of Energy and Environmental Science
SP  - 66
EP  - 74
PB  - Science Publishing Group
SN  - 2578-9546
UR  - https://doi.org/10.11648/j.ijees.20200504.12
AB  - Impacts of climate variability and disease prevalence on crop productivity (particularly wheat yield) are becoming major concern on their stable supply that affecting the livelihood of the farmers and consumers in South-East Ethiopia. The study was carried out with general objective to examine the effect of precipitation, temperature variation and disease prevalence on winter wheat (Triticum Aestivum Lam) for the last 20 years in Sinana farm of Oromia Seed Enterprise south east Ethiopia. Temperature and precipitation trends were evaluated using Sen’s slope estimator and Mann-Kendall trend test methods. The Pearson’s correlation coefficient was used to measure the strength of the association between crop yield and climatic variability. Predictor models on productivity status comprising disease prevalence associated to climate variability for 20 years were established. A1°C temperature rise in average seasonal maximum temperature above the optimum brought productivity reduction by 1.17% coefficient of determination R2=0.428. Further, in 1°C temperature rise, the regression analysis of the productivity related to stem rust prevalence was subjected to a positive impact under Tmin, Tmax, RH, and seasonal RF with coefficient of determination R2=0.756. On the other hand, yellow rust prevalence was positively correlated with minimum temperature, maximum temperature and average relative humidity, but it was negatively correlated with average seasonal temperature. The study concluded that the variability of climate elements has been exerting a huge impact on the quality and quantity of winter wheat.
VL  - 5
IS  - 4
ER  -

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