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Primed acclimation: A physiological process offers a strategy for more resilient and irrigation-efficient crop
Christopher Vincent1, Diane Rowland2, Bruce Schaffer3
1Horticultural Sciences Department, Citrus Research and Education Center, University of Florida, 700 Old Lee Jackson Road, Lake Alfred, FL, USA.
Summary
Primed acclimation (PA) pre-acclimates crops to water deficits by manipulating plant physiology, reducing irrigation needs and improving water use efficiency. This strategy enhances crop resilience to drought and mitigates yield losses in water-limited environments.
Area of Science:
- Plant Physiology
- Agricultural Science
- Drought Stress Management
Background:
- Optimizing plant physiological function is crucial for crop yield stability under water scarcity.
- Current water conservation strategies primarily focus on technology and breeding, neglecting direct manipulation of plant physiology.
- Primed acclimation (PA) offers a novel approach by pre-conditioning plants to water deficits.
Purpose of the Study:
- To review the concept of priming in plant stress physiology.
- To examine the development and application of PA for water conservation in agriculture.
- To discuss the future potential and evaluation of PA for managing crop stress tolerance.
Main Methods:
- Literature review synthesizing existing studies on primed acclimation.
- Analysis of multi-mechanistic physiological responses to PA across crop species.
- Exploration of genotypic variation in PA responses.
Main Results:
- PA elicits multi-mechanistic physiological responses, including altered root:shoot partitioning, improved water use, and enhanced osmotic adjustment.
- PA strategies can reduce agricultural water use by improving plant access to soil moisture.
- Implementation of PA can mitigate crop yield losses in drought-prone regions.
Conclusions:
- Primed acclimation is a promising strategy for enhancing crop water-use efficiency and drought resilience.
- Further research and evaluation across diverse crop species are needed to optimize PA implementation.
- PA offers a valuable tool for sustainable agriculture in water-limited environments.
Keywords:
Abiotic stressAcclimationPrimed acclimationRegulated deficit irrigationResilienceWater deficitsMore Related Videos
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