The Acacia species are widely distributed in the Sub-Sahara, Savanna regions and are of significant importance in terms of ecological remediation, afforestation programming, and economic value. Seed dormancy is common in Acacia species, and it creates difficulties in seed testing and planting. The initial aim of the current study was to assess the influence of a different temperature and different levels of water potential for germination based on the hydrothermal time models that had been successfully prophesying germination demand in several threat categories. Seeds of four Acacia species were treated at different temperature (15°C, 20°C, 25°C, 30°C and 35°C) and different levels of osmotic stress (0, -.4, -0.8, and -1.2 MPa). The results revealed that the degree of dormancy variation among the species, they were 81% for A. nilotica, 74% for A. seyal, 15% for A. mellifera, and 5% for A. senegal. Whereas, the optimal temperatures responded is 25°C for A. seyal, and A. senegal, A. nilotica, and 20°C for A. mellifera. Therefore, there are negative correlations appeared within germination percentages and water potential, A. seyal, and A. senegal was displayed a drought-tolerant significantly lower levels of water stress. In contrast, A. nilotica and A. mellifera indicated less drought-tolerant of promoting water stress.
| Published in | American Journal of Agriculture and Forestry (Volume 9, Issue 4) |
| DOI | 10.11648/j.ajaf.20210904.11 |
| Page(s) | 164-171 |
| 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), 2021. Published by Science Publishing Group |
Acacia, Temperature, Water Stress, Hydrothermal Time, Germination, Drought, Restoration
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APA Style
Mulik Abbaker Ibrahim Yousif, Yan Rong Wang. (2021). Desertification Combating and Ecological Restoration of Selected Acacia Species from Sub-Sahara, Savanna Regions. American Journal of Agriculture and Forestry, 9(4), 164-171. https://doi.org/10.11648/j.ajaf.20210904.11
ACS Style
Mulik Abbaker Ibrahim Yousif; Yan Rong Wang. Desertification Combating and Ecological Restoration of Selected Acacia Species from Sub-Sahara, Savanna Regions. Am. J. Agric. For. 2021, 9(4), 164-171. doi: 10.11648/j.ajaf.20210904.11
AMA Style
Mulik Abbaker Ibrahim Yousif, Yan Rong Wang. Desertification Combating and Ecological Restoration of Selected Acacia Species from Sub-Sahara, Savanna Regions. Am J Agric For. 2021;9(4):164-171. doi: 10.11648/j.ajaf.20210904.11
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Download@article{10.11648/j.ajaf.20210904.11,
author = {Mulik Abbaker Ibrahim Yousif and Yan Rong Wang},
title = {Desertification Combating and Ecological Restoration of Selected Acacia Species from Sub-Sahara, Savanna Regions},
journal = {American Journal of Agriculture and Forestry},
volume = {9},
number = {4},
pages = {164-171},
doi = {10.11648/j.ajaf.20210904.11},
url = {https://doi.org/10.11648/j.ajaf.20210904.11},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajaf.20210904.11},
abstract = {The Acacia species are widely distributed in the Sub-Sahara, Savanna regions and are of significant importance in terms of ecological remediation, afforestation programming, and economic value. Seed dormancy is common in Acacia species, and it creates difficulties in seed testing and planting. The initial aim of the current study was to assess the influence of a different temperature and different levels of water potential for germination based on the hydrothermal time models that had been successfully prophesying germination demand in several threat categories. Seeds of four Acacia species were treated at different temperature (15°C, 20°C, 25°C, 30°C and 35°C) and different levels of osmotic stress (0, -.4, -0.8, and -1.2 MPa). The results revealed that the degree of dormancy variation among the species, they were 81% for A. nilotica, 74% for A. seyal, 15% for A. mellifera, and 5% for A. senegal. Whereas, the optimal temperatures responded is 25°C for A. seyal, and A. senegal, A. nilotica, and 20°C for A. mellifera. Therefore, there are negative correlations appeared within germination percentages and water potential, A. seyal, and A. senegal was displayed a drought-tolerant significantly lower levels of water stress. In contrast, A. nilotica and A. mellifera indicated less drought-tolerant of promoting water stress.},
year = {2021}
}
TY - JOUR T1 - Desertification Combating and Ecological Restoration of Selected Acacia Species from Sub-Sahara, Savanna Regions AU - Mulik Abbaker Ibrahim Yousif AU - Yan Rong Wang Y1 - 2021/06/23 PY - 2021 N1 - https://doi.org/10.11648/j.ajaf.20210904.11 DO - 10.11648/j.ajaf.20210904.11 T2 - American Journal of Agriculture and Forestry JF - American Journal of Agriculture and Forestry JO - American Journal of Agriculture and Forestry SP - 164 EP - 171 PB - Science Publishing Group SN - 2330-8591 UR - https://doi.org/10.11648/j.ajaf.20210904.11 AB - The Acacia species are widely distributed in the Sub-Sahara, Savanna regions and are of significant importance in terms of ecological remediation, afforestation programming, and economic value. Seed dormancy is common in Acacia species, and it creates difficulties in seed testing and planting. The initial aim of the current study was to assess the influence of a different temperature and different levels of water potential for germination based on the hydrothermal time models that had been successfully prophesying germination demand in several threat categories. Seeds of four Acacia species were treated at different temperature (15°C, 20°C, 25°C, 30°C and 35°C) and different levels of osmotic stress (0, -.4, -0.8, and -1.2 MPa). The results revealed that the degree of dormancy variation among the species, they were 81% for A. nilotica, 74% for A. seyal, 15% for A. mellifera, and 5% for A. senegal. Whereas, the optimal temperatures responded is 25°C for A. seyal, and A. senegal, A. nilotica, and 20°C for A. mellifera. Therefore, there are negative correlations appeared within germination percentages and water potential, A. seyal, and A. senegal was displayed a drought-tolerant significantly lower levels of water stress. In contrast, A. nilotica and A. mellifera indicated less drought-tolerant of promoting water stress. VL - 9 IS - 4 ER -
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