Leaf wettability and leaf angle affect air-moisture deposition in wheat for self-irrigation
Sadia Hakeem1, Zulfiqar Ali2,3,4, Muhammad Abu Bakar Saddique1
1Institute of Plant Breeding and Biotechnology, MNS University of Agriculture, Multan, Pakistan.
Wheat plants can be developed for self-irrigation by optimizing leaf traits for enhanced moisture harvesting. This research identifies specific leaf angles and surface properties crucial for drought-tolerant wheat cultivation in changing climates.
Area of Science:
- Agricultural Science
- Plant Physiology
- Climate Change Adaptation
Background:
- Climate change and water scarcity necessitate exploring alternative irrigation sources, such as atmospheric moisture, for crop production.
- Wheat cultivation faces significant threats from climate variability, including heat waves and drought.
Purpose of the Study:
- To optimize wheat leaf architecture and surface properties for enhanced self-irrigation capabilities.
- To develop wheat cultivars with improved drought tolerance and water harvesting efficiency.
Main Methods:
- Screened 1796 wheat genotypes, selecting 34 for combinations of leaf angle and rolling, characterizing morpho-physiological traits and soil moisture.
- Evaluated stem flow efficiency and leaf wettability in a core set of ten genotypes.
Main Results:
- Identified significant diversity and trait associations through biplot, heatmap, and correlation analyses.
- Found that genotypes with semi-erect to erect leaf angles, spiral rolling, and hydrophilic surfaces (contact angle <90°, hysteresis <10°) exhibited higher soil moisture (6-8%) and moisture harvesting efficiency (3.5 ml).
- Environmental conditions provided substantial air moisture (>60% RH) during critical growth stages.
Conclusions:
- Findings support the development of self-irrigating wheat cultivars.
- These advancements offer a strategy for adapting wheat production to climate change and water stress.
More Related Videos
13:27Exploring the Effects of Atmospheric Forcings on Evaporation: Experimental Integration of the Atmospheric Boundary Layer and Shallow Subsurface
Published on: June 8, 2015
10:26The Infiltration-centrifugation Technique for Extraction of Apoplastic Fluid from Plant Leaves Using Phaseolus vulgaris as an Example
Published on: December 19, 2014
Related Concept Videos
Adaptations that Reduce Water Loss
Responses to Drought and Flooding
Light Acquisition
Regulation of Transpiration by Stomata
Xylem and Transpiration-driven Transport of Resources
