Effects of Plant Spacing and Time of Harvesting on Yield and Tuber Size Distribution of Potato (<i>Solanum tuberosum</i> L) Variety Southeast Ethiopia

Demis Fikre Limeneh; Fekadu Gebretensay Mengistu; Gizaw Wegayehu Tilahun; Dasta Tsagaye Galalcha; Awoke Ali Zeleke; Nimona Fufa Hundie

doi:doi:10.11648/j.bio.20210901.11

Effects of Plant Spacing and Time of Harvesting on Yield and Tuber Size Distribution of Potato (Solanum tuberosum L) Variety Southeast Ethiopia

Demis Fikre Limeneh, Fekadu Gebretensay Mengistu, Gizaw Wegayehu Tilahun, Dasta Tsagaye Galalcha, Awoke Ali Zeleke, Nimona Fufa Hundie

Published in American Journal of Bioscience and Bioengineering (Volume 9, Issue 1)

Received: 19 December 2020 Accepted: 6 January 2021 Published: 9 February 2021

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Abstract

Potato is one of the most important crops in the farming system of Bekoji and Kofele in the cool highlands of Arsi where potato is usually grown biennially during the main and ‘bulg’ seasons. ‘Belete’ has been the dominant potato variety in these areas for the last ten years now and farmers prefer to grow this variety for its high productivity and resistance to late blight disease. Nevertheless, farmers have complaints on its big sized tubers, considered as unmarketable, which costs them more seed to cover a given area of land and less suitable for cooking. Besides, farmers often use random population density and time of harvesting, which also contribute to this problem. The present study was therefore intended to manage the tubers’ size distribution of this variety without negatively affecting the yield of the crop through modifying plant spacing and time of harvesting from previously recommended practices. Twelve combinations of four plant spacing and three time of harvesting were studied on variety “Belete’ at Bekoji and Kofele in the main seasons of 2018 and 2019. The experiment was laid out in a completely randomized block design with 4x3 factorial arrangement in three replications. The analysis of variance revealed that the interaction effect of spacing and time of harvesting significantly (p<0.001) affected the marketable tuber yields. The narrow spacing (60cmx20cm) or high population treatment (83,333 plants/ha) with 120 days after planting resulted in the highest marketable and total tuber yield compared to the rest. While the least yields were recorded from the wider spacing of 75cmx30cm (44,444plants/ha) and early harvesting (90 days). The spacing 60cmx20cm did 17.2% increment in marketable yield over the previously recommended spacing of potato (75cmx30cm, 44,444plants/ha). From this study, therefore, it can be recommended for Belete that the narrow spacing of 60cmx20cm and harvesting at 120 days after planting could be the optimum spacing and time of harvesting to produce marketable tubers.

Published in	American Journal of Bioscience and Bioengineering (Volume 9, Issue 1)
DOI	10.11648/j.bio.20210901.11
Page(s)	1-7
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), 2024. Published by Science Publishing Group

Keywords

Days After Planting, Tuber Size Distribution, Marketable Yield, Unmarketable Yield

References

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[3]	Woolfe, J. A. 1987. The potato in the human diet. Cambridge University press, Cambridge, 231.
[4]	Gandapur, A. K. 1995. Evaluation of potato varieties in Hazara. MSc.(Hons) Thesis, department of plant breeding and genetics, NWFP Agricultural University Peshawar.
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[6]	Haverkort, A. J., Koesveld, M. J., van, Schepers, H. T. A. M., Wijinands, J. H. M., Wustman, R., Zhang, X. Y. 2012. Potato prospects for Ethiopia on the road to value addition. Lelystad: PPO-AGV, (PPO publication 528).
[7]	Gebremedhin, W., Endale, G. and Lemaga, B. 2008. Potato Breeding. In: Woldegiorgis G, Gebre E, Lemaga B (Eds.) Root and Tuber Crops, the Untapped Resources. Addis Ababa. Ethiopian Institute of Agricultural Research. pp. 15-32.
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[10]	Getachew, T. and A. Mela. 2000. The role of SHDI in potato seed production in Ethiopia: Experience from Alemaya integrated rural development project. Proceedings of the 5th African Potato Association Conference, Volume 5, May 29-June 2, 2000, Kampala, Uganda, pp: 109-112.
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[15]	Somanin, S. J., Mahmoodabad, R. Z, Yari Asgar. 2010. Response of agronomical, physiologically, apparent recovery nitrogen use efficiency and yield of potato tuber (Solanum tuberosum L.) to nitrogen and plant density. American -Eurasian Journal Agricultural and Environmental science 9 (1): 16: 21.
[16]	Harnet Abrha, Derbew Belew and Gebremedhin Woldegiorgis. 2013. Effect of Inter- and Intra-row Spacing on Seed Tuber Yield and Yield Components of Potato at Ofla Woreda. In: Seed potato tuber production and dissemination experience challenge and prospects proceedings of the national workshop on seed potato tuber production and dissemination. 12-14 March 2012 Bahirdar, Ethiopia.
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Demis Fikre Limeneh, Fekadu Gebretensay Mengistu, Gizaw Wegayehu Tilahun, Dasta Tsagaye Galalcha, Awoke Ali Zeleke, et al. (2021). Effects of Plant Spacing and Time of Harvesting on Yield and Tuber Size Distribution of Potato (Solanum tuberosum L) Variety Southeast Ethiopia. American Journal of Bioscience and Bioengineering, 9(1), 1-7. https://doi.org/10.11648/j.bio.20210901.11

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ACS Style

Demis Fikre Limeneh; Fekadu Gebretensay Mengistu; Gizaw Wegayehu Tilahun; Dasta Tsagaye Galalcha; Awoke Ali Zeleke, et al. Effects of Plant Spacing and Time of Harvesting on Yield and Tuber Size Distribution of Potato (Solanum tuberosum L) Variety Southeast Ethiopia. Am. J. BioSci. Bioeng. 2021, 9(1), 1-7. doi: 10.11648/j.bio.20210901.11

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AMA Style

Demis Fikre Limeneh, Fekadu Gebretensay Mengistu, Gizaw Wegayehu Tilahun, Dasta Tsagaye Galalcha, Awoke Ali Zeleke, et al. Effects of Plant Spacing and Time of Harvesting on Yield and Tuber Size Distribution of Potato (Solanum tuberosum L) Variety Southeast Ethiopia. Am J BioSci Bioeng. 2021;9(1):1-7. doi: 10.11648/j.bio.20210901.11

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@article{10.11648/j.bio.20210901.11,
  author = {Demis Fikre Limeneh and Fekadu Gebretensay Mengistu and Gizaw Wegayehu Tilahun and Dasta Tsagaye Galalcha and Awoke Ali Zeleke and Nimona Fufa Hundie},
  title = {Effects of Plant Spacing and Time of Harvesting on Yield and Tuber Size Distribution of Potato (Solanum tuberosum L) Variety Southeast Ethiopia},
  journal = {American Journal of Bioscience and Bioengineering},
  volume = {9},
  number = {1},
  pages = {1-7},
  doi = {10.11648/j.bio.20210901.11},
  url = {https://doi.org/10.11648/j.bio.20210901.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.bio.20210901.11},
  abstract = {Potato is one of the most important crops in the farming system of Bekoji and Kofele in the cool highlands of Arsi where potato is usually grown biennially during the main and ‘bulg’ seasons. ‘Belete’ has been the dominant potato variety in these areas for the last ten years now and farmers prefer to grow this variety for its high productivity and resistance to late blight disease. Nevertheless, farmers have complaints on its big sized tubers, considered as unmarketable, which costs them more seed to cover a given area of land and less suitable for cooking. Besides, farmers often use random population density and time of harvesting, which also contribute to this problem. The present study was therefore intended to manage the tubers’ size distribution of this variety without negatively affecting the yield of the crop through modifying plant spacing and time of harvesting from previously recommended practices. Twelve combinations of four plant spacing and three time of harvesting were studied on variety “Belete’ at Bekoji and Kofele in the main seasons of 2018 and 2019. The experiment was laid out in a completely randomized block design with 4x3 factorial arrangement in three replications. The analysis of variance revealed that the interaction effect of spacing and time of harvesting significantly (p<0.001) affected the marketable tuber yields. The narrow spacing (60cmx20cm) or high population treatment (83,333 plants/ha) with 120 days after planting resulted in the highest marketable and total tuber yield compared to the rest. While the least yields were recorded from the wider spacing of 75cmx30cm (44,444plants/ha) and early harvesting (90 days). The spacing 60cmx20cm did 17.2% increment in marketable yield over the previously recommended spacing of potato (75cmx30cm, 44,444plants/ha). From this study, therefore, it can be recommended for Belete that the narrow spacing of 60cmx20cm and harvesting at 120 days after planting could be the optimum spacing and time of harvesting to produce marketable tubers.},
 year = {2021}
}

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TY  - JOUR
T1  - Effects of Plant Spacing and Time of Harvesting on Yield and Tuber Size Distribution of Potato (Solanum tuberosum L) Variety Southeast Ethiopia
AU  - Demis Fikre Limeneh
AU  - Fekadu Gebretensay Mengistu
AU  - Gizaw Wegayehu Tilahun
AU  - Dasta Tsagaye Galalcha
AU  - Awoke Ali Zeleke
AU  - Nimona Fufa Hundie
Y1  - 2021/02/09
PY  - 2021
N1  - https://doi.org/10.11648/j.bio.20210901.11
DO  - 10.11648/j.bio.20210901.11
T2  - American Journal of Bioscience and Bioengineering
JF  - American Journal of Bioscience and Bioengineering
JO  - American Journal of Bioscience and Bioengineering
SP  - 1
EP  - 7
PB  - Science Publishing Group
SN  - 2328-5893
UR  - https://doi.org/10.11648/j.bio.20210901.11
AB  - Potato is one of the most important crops in the farming system of Bekoji and Kofele in the cool highlands of Arsi where potato is usually grown biennially during the main and ‘bulg’ seasons. ‘Belete’ has been the dominant potato variety in these areas for the last ten years now and farmers prefer to grow this variety for its high productivity and resistance to late blight disease. Nevertheless, farmers have complaints on its big sized tubers, considered as unmarketable, which costs them more seed to cover a given area of land and less suitable for cooking. Besides, farmers often use random population density and time of harvesting, which also contribute to this problem. The present study was therefore intended to manage the tubers’ size distribution of this variety without negatively affecting the yield of the crop through modifying plant spacing and time of harvesting from previously recommended practices. Twelve combinations of four plant spacing and three time of harvesting were studied on variety “Belete’ at Bekoji and Kofele in the main seasons of 2018 and 2019. The experiment was laid out in a completely randomized block design with 4x3 factorial arrangement in three replications. The analysis of variance revealed that the interaction effect of spacing and time of harvesting significantly (p<0.001) affected the marketable tuber yields. The narrow spacing (60cmx20cm) or high population treatment (83,333 plants/ha) with 120 days after planting resulted in the highest marketable and total tuber yield compared to the rest. While the least yields were recorded from the wider spacing of 75cmx30cm (44,444plants/ha) and early harvesting (90 days). The spacing 60cmx20cm did 17.2% increment in marketable yield over the previously recommended spacing of potato (75cmx30cm, 44,444plants/ha). From this study, therefore, it can be recommended for Belete that the narrow spacing of 60cmx20cm and harvesting at 120 days after planting could be the optimum spacing and time of harvesting to produce marketable tubers.
VL  - 9
IS  - 1
ER  -

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Author Information

Demis Fikre Limeneh

Kulumsa Agricultural Research Center, Ethiopian Institute of Agricultural Research, Assela, Ethiopian
Fekadu Gebretensay Mengistu

Debre Zeit Agricultural Research Center, Ethiopian Institute of Agricultural Research, Debre Zeit, Ethiopian
Gizaw Wegayehu Tilahun

Kulumsa Agricultural Research Center, Ethiopian Institute of Agricultural Research, Assela, Ethiopian
Dasta Tsagaye Galalcha

Kulumsa Agricultural Research Center, Ethiopian Institute of Agricultural Research, Assela, Ethiopian
Awoke Ali Zeleke

Kulumsa Agricultural Research Center, Ethiopian Institute of Agricultural Research, Assela, Ethiopian
Nimona Fufa Hundie

Kulumsa Agricultural Research Center, Ethiopian Institute of Agricultural Research, Assela, Ethiopian

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APA Style

Demis Fikre Limeneh, Fekadu Gebretensay Mengistu, Gizaw Wegayehu Tilahun, Dasta Tsagaye Galalcha, Awoke Ali Zeleke, et al. (2021). Effects of Plant Spacing and Time of Harvesting on Yield and Tuber Size Distribution of Potato (Solanum tuberosum L) Variety Southeast Ethiopia. American Journal of Bioscience and Bioengineering, 9(1), 1-7. https://doi.org/10.11648/j.bio.20210901.11

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ACS Style

Demis Fikre Limeneh; Fekadu Gebretensay Mengistu; Gizaw Wegayehu Tilahun; Dasta Tsagaye Galalcha; Awoke Ali Zeleke, et al. Effects of Plant Spacing and Time of Harvesting on Yield and Tuber Size Distribution of Potato (Solanum tuberosum L) Variety Southeast Ethiopia. Am. J. BioSci. Bioeng. 2021, 9(1), 1-7. doi: 10.11648/j.bio.20210901.11

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AMA Style

Demis Fikre Limeneh, Fekadu Gebretensay Mengistu, Gizaw Wegayehu Tilahun, Dasta Tsagaye Galalcha, Awoke Ali Zeleke, et al. Effects of Plant Spacing and Time of Harvesting on Yield and Tuber Size Distribution of Potato (Solanum tuberosum L) Variety Southeast Ethiopia. Am J BioSci Bioeng. 2021;9(1):1-7. doi: 10.11648/j.bio.20210901.11

Copy | Download

@article{10.11648/j.bio.20210901.11,
  author = {Demis Fikre Limeneh and Fekadu Gebretensay Mengistu and Gizaw Wegayehu Tilahun and Dasta Tsagaye Galalcha and Awoke Ali Zeleke and Nimona Fufa Hundie},
  title = {Effects of Plant Spacing and Time of Harvesting on Yield and Tuber Size Distribution of Potato (Solanum tuberosum L) Variety Southeast Ethiopia},
  journal = {American Journal of Bioscience and Bioengineering},
  volume = {9},
  number = {1},
  pages = {1-7},
  doi = {10.11648/j.bio.20210901.11},
  url = {https://doi.org/10.11648/j.bio.20210901.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.bio.20210901.11},
  abstract = {Potato is one of the most important crops in the farming system of Bekoji and Kofele in the cool highlands of Arsi where potato is usually grown biennially during the main and ‘bulg’ seasons. ‘Belete’ has been the dominant potato variety in these areas for the last ten years now and farmers prefer to grow this variety for its high productivity and resistance to late blight disease. Nevertheless, farmers have complaints on its big sized tubers, considered as unmarketable, which costs them more seed to cover a given area of land and less suitable for cooking. Besides, farmers often use random population density and time of harvesting, which also contribute to this problem. The present study was therefore intended to manage the tubers’ size distribution of this variety without negatively affecting the yield of the crop through modifying plant spacing and time of harvesting from previously recommended practices. Twelve combinations of four plant spacing and three time of harvesting were studied on variety “Belete’ at Bekoji and Kofele in the main seasons of 2018 and 2019. The experiment was laid out in a completely randomized block design with 4x3 factorial arrangement in three replications. The analysis of variance revealed that the interaction effect of spacing and time of harvesting significantly (p<0.001) affected the marketable tuber yields. The narrow spacing (60cmx20cm) or high population treatment (83,333 plants/ha) with 120 days after planting resulted in the highest marketable and total tuber yield compared to the rest. While the least yields were recorded from the wider spacing of 75cmx30cm (44,444plants/ha) and early harvesting (90 days). The spacing 60cmx20cm did 17.2% increment in marketable yield over the previously recommended spacing of potato (75cmx30cm, 44,444plants/ha). From this study, therefore, it can be recommended for Belete that the narrow spacing of 60cmx20cm and harvesting at 120 days after planting could be the optimum spacing and time of harvesting to produce marketable tubers.},
 year = {2021}
}

Copy | Download

TY  - JOUR
T1  - Effects of Plant Spacing and Time of Harvesting on Yield and Tuber Size Distribution of Potato (Solanum tuberosum L) Variety Southeast Ethiopia
AU  - Demis Fikre Limeneh
AU  - Fekadu Gebretensay Mengistu
AU  - Gizaw Wegayehu Tilahun
AU  - Dasta Tsagaye Galalcha
AU  - Awoke Ali Zeleke
AU  - Nimona Fufa Hundie
Y1  - 2021/02/09
PY  - 2021
N1  - https://doi.org/10.11648/j.bio.20210901.11
DO  - 10.11648/j.bio.20210901.11
T2  - American Journal of Bioscience and Bioengineering
JF  - American Journal of Bioscience and Bioengineering
JO  - American Journal of Bioscience and Bioengineering
SP  - 1
EP  - 7
PB  - Science Publishing Group
SN  - 2328-5893
UR  - https://doi.org/10.11648/j.bio.20210901.11
AB  - Potato is one of the most important crops in the farming system of Bekoji and Kofele in the cool highlands of Arsi where potato is usually grown biennially during the main and ‘bulg’ seasons. ‘Belete’ has been the dominant potato variety in these areas for the last ten years now and farmers prefer to grow this variety for its high productivity and resistance to late blight disease. Nevertheless, farmers have complaints on its big sized tubers, considered as unmarketable, which costs them more seed to cover a given area of land and less suitable for cooking. Besides, farmers often use random population density and time of harvesting, which also contribute to this problem. The present study was therefore intended to manage the tubers’ size distribution of this variety without negatively affecting the yield of the crop through modifying plant spacing and time of harvesting from previously recommended practices. Twelve combinations of four plant spacing and three time of harvesting were studied on variety “Belete’ at Bekoji and Kofele in the main seasons of 2018 and 2019. The experiment was laid out in a completely randomized block design with 4x3 factorial arrangement in three replications. The analysis of variance revealed that the interaction effect of spacing and time of harvesting significantly (p<0.001) affected the marketable tuber yields. The narrow spacing (60cmx20cm) or high population treatment (83,333 plants/ha) with 120 days after planting resulted in the highest marketable and total tuber yield compared to the rest. While the least yields were recorded from the wider spacing of 75cmx30cm (44,444plants/ha) and early harvesting (90 days). The spacing 60cmx20cm did 17.2% increment in marketable yield over the previously recommended spacing of potato (75cmx30cm, 44,444plants/ha). From this study, therefore, it can be recommended for Belete that the narrow spacing of 60cmx20cm and harvesting at 120 days after planting could be the optimum spacing and time of harvesting to produce marketable tubers.
VL  - 9
IS  - 1
ER  -

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