Rhizosphere microbiomes can regulate plant drought tolerance |
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| Authors: | Mehtab Muhammad ASLAM Eyalira J OKAL Aisha Lawan IDRIS Zhang QIAN Weifeng XU Joseph K KARANJA Shabir H WANI and Wei YUAN |
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| Institution: | 1 College of Agriculture, Yangzhou University, Yangzhou 225009(China)
2 Joint International Research Laboratory of Water and Nutrient in Crops and College of Life Sciences, Center for Plant Water-Use and Nutrition Regulation and College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002(China)
3 Juncao Research Center, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002(China)
4 State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops&Key Laboratory of Biopesticide and Chemical Biology of Ministry of Education, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002(China)
5 Mountain Research Centre for Field Crops Khudwani, Sher-e-Kashmir University of Agricultural Sciences and Technology, Kashmir 192102(India) |
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| Abstract: | Beneficial root-associated rhizospheric microbes play a key role in maintaining host plant growth and can potentially allow drought-resilient crop production. The complex interaction of root-associated microbes mainly depends on soil type, plant genotype, and soil moisture. However, drought is the most devastating environmental stress that strongly reduces soil biota and can restrict plant growth and yield. In this review, we discussed our mechanistic understanding of drought and microbial response traits. Additionally, we highlighted the role of beneficial microbes and plant-derived metabolites in alleviating drought stress and improving crop growth. We proposed that future research might focus on evaluating the dynamics of root-beneficial microbes under field drought conditions. The integrative use of ecology, microbial, and molecular approaches may serve as a promising strategy to produce more drought-resilient and sustainable crops. |
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| Keywords: | biota drought stress metabolites phytohormone plant growth root-microbe association |
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