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Photosynthetic response of two okra cultivars under salt stress and re-watering
Ahmad Azeem;  Yanyou Wu;  Deke Xing;  Qaiser Javed;  Ikram Ullah
2017
发表期刊Journal of Plant Interactions
卷号12期号:1页码:67-77
摘要

Two cultivars of okra (Chinese green and Chinese red) were subjected to salt stress (0%, 6%, 12% and 18%) and equal proportions of NaCl and CaCl2 in Hoagland's nutrient solution and re-watering. Salt stress significantly reduced growth parameters and photosynthetic attributes of both cultivars. Treatment subjected to 18% salt stress caused 90% redundancy in growth parameters of both cultivars compared to control. Re-watering gave a positive response for plant growth of both cultivars in different levels. Chinese green showed better recovery at 6-0% re-watering level and Chinese red showed 12-6% and 6-0%, due to its salt tolerance nature. Considering re-watering water use efficiency and net photosynthetic rate the optimum values of salt tolerance for Chinese green and Chinese red were 8.3% and 12.02%, respectively. The best re-watering degree found as salt stress level ranged from 12.02% to 6% for Chinese red and 8.3% to 2.3% for Chinese green. This study provided a new method for the determination of irrigation time and quantification in crops.

关键词Okra Photosynthetic Rate Plant Growth Salt Stress Re-watering
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.gyig.ac.cn/handle/42920512-1/8184
专题环境地球化学国家重点实验室
作者单位1.Key Laboratory of Modern Agricultural Equipment and Technology, Ministry of Education, Institute of Agricultural Engineering, Jiangsu University, Zhenjiang, Jiangsu, People’s Republic of China
2.Research Center for Environmental Bio-Science and Technology, State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, Guizhou, People’s Republic of China
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GB/T 7714
Ahmad Azeem;Yanyou Wu;Deke Xing;Qaiser Javed;Ikram Ullah. Photosynthetic response of two okra cultivars under salt stress and re-watering[J]. Journal of Plant Interactions,2017,12(1):67-77.
APA Ahmad Azeem;Yanyou Wu;Deke Xing;Qaiser Javed;Ikram Ullah.(2017).Photosynthetic response of two okra cultivars under salt stress and re-watering.Journal of Plant Interactions,12(1),67-77.
MLA Ahmad Azeem;Yanyou Wu;Deke Xing;Qaiser Javed;Ikram Ullah."Photosynthetic response of two okra cultivars under salt stress and re-watering".Journal of Plant Interactions 12.1(2017):67-77.
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