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Transpiration during life cycle in controlled wheat growth
1Department of Applied Science, New York University 10003.
Advances in Space Research : the Official Journal of the Committee on Space Research (COSPAR)
|January 1, 1989
Summary
Wheat transpiration rates differ significantly throughout its life cycle. Early growth shows higher water use per unit of inedible biomass compared to later grain development stages.
Area of Science:
- Plant physiology
- Agricultural modeling
- Space agriculture
Context:
- Advanced space life support systems require accurate biological models.
- Wheat is a potential crop for long-duration space missions.
- Understanding plant water use is crucial for resource management.
Purpose:
- To evaluate a wheat growth model for space applications.
- To analyze transpiration patterns in wheat under controlled conditions.
- To assess the relationship between transpiration, biomass, and plant age.
Summary:
- A wheat growth model was applied to experimental data measuring fresh biomass and cumulative transpiration over time.
- The study investigated modeling transpiration as proportional to inedible biomass and an age factor.
- Results revealed transpiration rates per unit of inedible biomass were over twice as high during early vegetative growth compared to later grain development.
Impact:
- Provides insights into optimizing water management for wheat cultivation in controlled environments, including space.
- Informs the development of more accurate plant growth simulations for life support systems.
- Contributes to the understanding of plant physiological responses across different life cycle stages.