Drought manipulation in wheat fields revealed that bacterial community composition varies significantly between plant compartments, not due to precipitation. Osmotic stress-resistant microorganisms were less represented in the rhizosphere than in leaves. Actinobacteria were prevalent among 44 stress-resistant isolates, suggesting the leaf endosphere as a target for identifying drought-resistant bacteria.
The resistance of the wheat microbial community to water stress is more influenced by plant compartment than reduced water availability
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