Salt acclimation induced salt tolerance is enhanced by abscisic acid priming in wheat

Zongshuai Wang, Xiangnan Li, Xiancan Zhu, Shengqun Liu, Fengbin Song, Fulai Liu, Yang Wang, Xiaoning Qi, Fahong Wang, Zhiyu Zuo, Peizi Duan, Aizheng Yang, Jian Cai and Dong Jiang
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Zongshuai Wang: National Technique Innovation Center for Regional Wheat Production, National Engineering and Technology Center for Information Agriculture, Key Laboratory of Crop Physiology and Ecology in Southern China, Ministry of Agriculture, Nanjing Agricultural University, Nanjing, P.R. China
Xiangnan Li: Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun, P.R. China
Xiancan Zhu: Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun, P.R. China
Shengqun Liu: Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun, P.R. China
Fengbin Song: Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun, P.R. China
Fulai Liu: University of Copenhagen, Faculty of Science, Department of Plant and Environmental Sciences, Taastrup, Denmark
Yang Wang: Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun, P.R. China
Xiaoning Qi: Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun, P.R. China
Fahong Wang: Crop Research Institute, Shandong Academy of Agricultural Sciences, Jinan, P.R. China
Zhiyu Zuo: Key Laboratory of Modern Agricultural Equipment and Technology, Ministry of Education, School of Agricultural Equipment and Engineering, Jiangsu University, Zhenjiang, P.R. China
Peizi Duan: Quality Supervision Administration of Agricultural Environment and Livestock Products, Hengshui, P.R. China
Aizheng Yang: Northeast Agriculture University, School of Water Conservancy and Civil Engineering, Harbin, P.R. China
Jian Cai: National Technique Innovation Center for Regional Wheat Production, National Engineering and Technology Center for Information Agriculture, Key Laboratory of Crop Physiology and Ecology in Southern China, Ministry of Agriculture, Nanjing Agricultural University, Nanjing, P.R. China
Dong Jiang: National Technique Innovation Center for Regional Wheat Production, National Engineering and Technology Center for Information Agriculture, Key Laboratory of Crop Physiology and Ecology in Southern China, Ministry of Agriculture, Nanjing Agricultural University, Nanjing, P.R. China

Plant, Soil and Environment, 2017, vol. 63, issue 7, 307-314

Abstract: High salt stress significantly depresses carbon assimilation and plant growth in wheat (Triticum aestivum L.). Salt acclimation can enhance the tolerance of wheat plants to salt stress. Priming with abscisic acid (1 mmol ABA) was applied during the salt acclimation (30 mmol NaCl) process to investigate its effects on the tolerance of wheat to subsequent salt stress (500 mmol NaCl). The results showed that priming with ABA modulated the leaf ABA concentration to maintain better water status in salt acclimated wheat plants. Also, the ABA priming drove the antioxidant systems to protect photosynthetic electron transport in salt acclimated plants against subsequent salt stress, hence improving the carbon assimilation in wheat. It suggested that salt acclimation induced salt tolerance could be improved by abscisic acid priming in wheat.

Keywords: soil salinization; gas exchange; chlorophyll a fluorescence; salinity; phytohormone (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:63:y:2017:i:7:id:287-2017-pse

DOI: 10.17221/287/2017-PSE

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