Related Experiment Video
Updated: May 16, 2026
06:28
High Throughput Image-Based Phenotyping for Determining Morphological and Physiological Responses to Single and Combined Stresses in Potato
Published on: June 7, 2024
Phenotyping for drought adaptation in wheat using physiological traits
Philippe Monneveux1, Ruilian Jing, Satish C Misra
1International Potato Center Lima, Peru.
Frontiers in Physiology
|November 28, 2012
Summary
Wheat breeding strategies focus on drought tolerance for marginal environments. Advanced phenotyping technologies aid in selecting for traits that improve wheat yield in water-scarce regions.
Area of Science:
- Agricultural Science
- Plant Breeding
- Agronomy
Background:
- Wheat (Triticum spp.) is a vital global food crop, providing essential calories and proteins, particularly in developing nations.
- While the Green Revolution boosted wheat yields, production growth has slowed, highlighting the need for improved strategies, especially in drought-prone areas.
- Rainfall variability significantly impacts wheat yields in marginal rain-fed environments, necessitating focused research on drought adaptation.
Purpose of the Study:
- To outline effective breeding strategies for enhancing drought tolerance in wheat.
- To emphasize the importance of target environment definition and accurate water stress characterization.
- To explore the role of high-heritability phenotyping traits and new technologies in improving wheat yield under drought stress.
Main Methods:
- Defining specific target environments for drought tolerance breeding.
- Characterizing testing environments and implementing precise water stress management.
- Utilizing phenotyping traits with high heritability for selection.
- Employing advanced technologies like thermal imaging, spectral reflectance, and stable isotopes for high-throughput phenotyping.
Main Results:
- Breeding strategies incorporating defined environments and stress characterization are crucial for drought tolerance.
- High-heritability traits and advanced phenotyping facilitate indirect selection for drought adaptation.
- New technologies enable high-throughput phenotyping, accelerating the identification of drought-resilient wheat varieties.
Conclusions:
- Integrated breeding approaches using advanced technologies are key to improving wheat yield in drought-prone regions.
- Effective drought tolerance breeding requires careful selection of environments and robust phenotyping methods.
- Continued research into drought adaptation mechanisms and phenotyping is essential for global food security.
Related Concept Videos
02:41Responses to Drought and Flooding
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.
01:57Adaptations that Reduce Water Loss
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.
02:16Light Acquisition
In order to produce glucose, plants need to capture sufficient light energy. Many modern plants have evolved leaves specialized for light acquisition. Leaves can be only millimeters in width or tens of meters wide, depending on the environment. Due to competition for sunlight, evolution has driven the evolution of increasingly larger leaves and taller plants, to avoid shading by their neighbors with contaminant elaboration of root architecture and mechanisms to transport water and nutrients.
02:45Responses to Heat and Cold Stress
Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes.
02:02Responses to Salt Stress
Salt stress—which can be triggered by high salt concentrations in a plant’s environment—can significantly affect plant growth and crop production by influencing photosynthesis and the absorption of water and nutrients.
02:04Regulation of Transpiration by Stomata
During photosynthesis, plants acquire the necessary carbon dioxide and release the produced oxygen back into the atmosphere. Openings in the epidermis of plant leaves is the site of this exchange of gasses. A single opening is called a stoma—derived from the Greek word for “mouth.” Stomata open and close in response to a variety of environmental cues.