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Coping with low moisture stress: Remembering and responding.

Mukesh Choudhary¹, Alla Singh¹, Sujay Rakshit¹

¹ICAR-Indian Institute of Maize Research, P.A.U. Campus, Ludhiana, India.

Physiologia Plantarum

|January 26, 2021

Summary

This summary is machine-generated.

Plants can develop "stress memory" to better withstand drought, a growing problem due to climate change. This approach offers a way to improve crop resilience without significant yield penalties.

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Area of Science:

Plant Science
Agricultural Science
Climate Change Adaptation

Background:

Low-moisture stress (drought) significantly reduces agricultural yield globally.
Climate change is exacerbating drought conditions, particularly in arid and semi-arid regions.
Developing drought-resistant crops is time-consuming, necessitating immediate coping strategies.

Purpose of the Study:

To explore the role of "stress memory" in enhancing plant drought tolerance.
To discuss the potential of stress memory for "drought hardening" in agriculture.
To analyze the yield tradeoffs associated with stress tolerance strategies.

Main Methods:

Literature review and conceptual discussion on plant stress memory mechanisms.
Analysis of existing research on abiotic stress responses in plants.
Exploration of genetic introgression and cultivar selection for drought tolerance.

Main Results:

Stress memory allows plants to record and respond more effectively to repeated drought events.
This phenomenon can be leveraged for "drought hardening," improving crop survival and productivity under water scarcity.
Balancing stress tolerance with yield requires careful selection of cultivars and genetic strategies.

Conclusions:

"Stress memory" is a promising avenue for improving plant resilience to drought.
Further research is needed to optimize the deployment of stress memory in agricultural practices.
Effective management of yield tradeoffs is crucial for successful drought adaptation in agriculture.