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Responses to Drought and Flooding02:41

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Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to plants.
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Though evaporation from plant leaves drives transpiration, it also results in loss of water. Because water is critical for photosynthetic reactions and other cellular processes, evolutionary pressures on plants in different environments have driven the acquisition of adaptations that reduce water loss.
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Water balance disorders are medical conditions that occur when there is a deviation from the body's water volume or osmolarity, disrupting normal homeostasis and leading todehydration, hypotonic hydration, hyperhydration, edema, or water intoxication.
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Trapezoidal channels are widely used in irrigation systems due to their cost-effectiveness and efficiency in conveying water. Trapezoidal channels feature a flat bottom and sloping sides, making them stable and easier to construct compared to other shapes. The bottom width and side slope ratio are determined based on the required flow capacity and site conditions. The side slope is kept gentle for unlined channels to prevent soil erosion.Hydraulic parameters in channel design include the flow...
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Updated: Jul 17, 2025

Semi-High Throughput Screening for Potential Drought-tolerance in Lettuce Lactuca sativa Germplasm Collections
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Combatting drought: a multi-dimensional challenge.

Vincent Vadez1,2,3, Carlos D Messina4, Andrea Carminati5

  • 1Institute for Research and Development (IRD), DIADE Research Unit, University of Montpellier, 34394 Montpellier cedex 5, France.

Journal of Experimental Botany
|September 2, 2023
PubMed
Summary
This summary is machine-generated.

Addressing global water scarcity for food production is crucial. This research highlights a multi-disciplinary approach to drought resilience, focusing on smallholder farmers and integrated systems for sustainable agriculture.

Keywords:
Agriculture risksclimate changeclimatic variabilitydrought adaptive traitswater use efficiency

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Area of Science:

  • Agricultural Science
  • Environmental Science
  • Food Security

Background:

  • Water scarcity poses a significant threat to 21st-century food production.
  • Drought impacts are widespread, necessitating urgent solutions for profitable farming and secure food supplies.
  • The Interdrought community has convened for 30 years, fostering a multidisciplinary approach to drought challenges.

Purpose of the Study:

  • To present findings from the 7th Interdrought conference, focusing on drought resilience in agriculture.
  • To emphasize the importance of a systems-level approach to drought management, particularly for smallholder farmers.
  • To integrate diverse scientific domains including molecular biology, agronomy, and social sciences for comprehensive solutions.

Main Methods:

  • Multi-disciplinary research integrating molecular biology, physiology, genetics, agronomy, breeding, environmental and social sciences, policy, and systems modeling.
  • Analysis of drought impacts and resilience strategies within a smallholder farming context.
  • Systems modeling to understand crop-environment interactions and farmer decision-making.

Main Results:

  • The 7th Interdrought conference, held in Africa, specifically addressed drought in smallholder contexts.
  • A 'systems' dimension was added to the traditional crop-focused approach of previous Interdrought events.
  • The conference fostered collaboration across various scientific disciplines to tackle drought challenges.

Conclusions:

  • A holistic, systems-based approach is essential for effective drought management and ensuring food security.
  • Integrating scientific research with social and policy considerations is key to supporting smallholder farmers.
  • Continued international collaboration is vital for advancing drought resilience in agriculture globally.