Author
Listed:
- Jing Pan
(Minqin Salinization Research Station, Key Laboratory of Desert and Desertification, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, 320 West Donggang Road, Lanzhou 730000, China
University of Chinese Academy of Sciences, Beijing 100049, China)
- Fei Peng
(Minqin Salinization Research Station, Key Laboratory of Desert and Desertification, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, 320 West Donggang Road, Lanzhou 730000, China
International Platform for Dryland Research and Education, Arid Land Research Center, Tottori University, Hamasaka 1390, Tottori 680-0001, Japan)
- Xian Xue
(Minqin Salinization Research Station, Key Laboratory of Desert and Desertification, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, 320 West Donggang Road, Lanzhou 730000, China)
- Quangang You
(Minqin Salinization Research Station, Key Laboratory of Desert and Desertification, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, 320 West Donggang Road, Lanzhou 730000, China)
- Wenjuan Zhang
(Minqin Salinization Research Station, Key Laboratory of Desert and Desertification, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, 320 West Donggang Road, Lanzhou 730000, China
University of Chinese Academy of Sciences, Beijing 100049, China)
- Tao Wang
(Minqin Salinization Research Station, Key Laboratory of Desert and Desertification, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, 320 West Donggang Road, Lanzhou 730000, China)
- Cuihua Huang
(Minqin Salinization Research Station, Key Laboratory of Desert and Desertification, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, 320 West Donggang Road, Lanzhou 730000, China)
Abstract
Understanding the primary mechanisms for plant promotion under salt stress with plant growth promoting rhizobacteria (PGPR) inoculation of different salt-tolerant plant groups would be conducive to using PGPR efficiently. We conducted a meta-analysis to evaluate plant growth promotion and uncover its underlying mechanisms in salt-sensitive plants (SSP) and salt-tolerant plants (STP) with PGPR inoculation under salt stress. PGPR inoculation decreased proline, sodium ion (Na + ) and malondialdehyde but increased plant biomass, nutrient acquisition (nitrogen, phosphorus, potassium ion (K + ), calcium ion (Ca 2+ ), and magnesium ion (Mg 2+ )), ion homeostasis (K + /Na + ratio, Ca 2+ /Na + ratio, and Mg 2+ /Na + ratio), osmolytes accumulation (soluble sugar and soluble protein), antioxidants (superoxide dismutase), and photosynthesis (chlorophyll, carotenoid, and photosynthetic rate) in both SSP and STP. The effect size of total biomass positively correlated with the effect sizes of nutrient acquisition and the homeostasis of K + /Na + , and negatively correlated with the effect size of malondialdehyde in both SSP and STP. The effect size of total biomass also positively correlated with the effect sizes of carotenoid and the homeostasis in Ca 2+ /Na + and Mg 2+ /Na + and negatively correlated with the effect size of Na + in SSP, but it only negatively correlated with the effect size of Ca 2+ in STP. Our results suggest that the plant growth improvement depends on the nutrient acquisition enhancement in both SSP and STP, while ion homeostasis plays an important role and carotenoid may promote plant growth through protecting photosynthesis, reducing oxidative damage and promoting nutrient acquisition only in SSP after PGPR inoculation under salt stress.
Suggested Citation
Jing Pan & Fei Peng & Xian Xue & Quangang You & Wenjuan Zhang & Tao Wang & Cuihua Huang, 2019.
"The Growth Promotion of Two Salt-Tolerant Plant Groups with PGPR Inoculation: A Meta-Analysis,"
Sustainability, MDPI, vol. 11(2), pages 1-14, January.
Handle:
RePEc:gam:jsusta:v:11:y:2019:i:2:p:378-:d:197284
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Cited by:
- Vikash Kumar & Nikhil Raghuvanshi & Abhay K. Pandey & Abhishek Kumar & Emily Thoday-Kennedy & Surya Kant, 2023.
"Role of Halotolerant Plant Growth-Promoting Rhizobacteria in Mitigating Salinity Stress: Recent Advances and Possibilities,"
Agriculture, MDPI, vol. 13(1), pages 1-22, January.
- Abhishek Singh & Rakesh Singh Sengar & Vishnu D. Rajput & Tatiana Minkina & Rupesh Kumar Singh, 2022.
"Zinc Oxide Nanoparticles Improve Salt Tolerance in Rice Seedlings by Improving Physiological and Biochemical Indices,"
Agriculture, MDPI, vol. 12(7), pages 1-21, July.
- Basharat Hamid & Muzafar Zaman & Shabeena Farooq & Sabah Fatima & R. Z. Sayyed & Zahoor Ahmad Baba & Tahir Ahmad Sheikh & Munagala S. Reddy & Hesham El Enshasy & Abdul Gafur & Ni Luh Suriani, 2021.
"Bacterial Plant Biostimulants: A Sustainable Way towards Improving Growth, Productivity, and Health of Crops,"
Sustainability, MDPI, vol. 13(5), pages 1-24, March.
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