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Factors That Affect The Rate Of Transpiration. Environmental factors affect the rate of transpiration for example wind, heat, dry air and light all speed up the transpiration process. These include conditions of the environment which affect the rate of transpiration.
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Leaf area with increase in leaf area the frequency of stomata per unit area also increases. Plants regulate the rate of transpiration by opening and closing of stomata (see figure below). Wind can alter rates of transpiration by.
Temperature, Light Intensity, Humidity, And.
There are, however, a number of external factors that affect the rate of transpiration, namely: Environmental factors affect the rate of transpiration for example wind, heat, dry air and light all speed up the transpiration process. However, leaf temperature does not rise corresponding to rise in atmospheric temperature due to cooling effect of transpiration.
Very High Temperature May Cause Desiccation And Closure Of Stomata.
Internal factors besides these external factors internal factors also affect the rate of transpiration. Quick moving air flows ceaselessly bring crisp, dry masses of air in contact with leaf surfaces and along these lines keep up a high rate of transpiration. The rate of transpiration varies from plant to plant and day to day.
The Rate At Which Transpiration Occurs Refers To The Amount Of Water Lost By Plants Over A Given Time Period.
The available water is more in soil, rate of transpiration increases and vice versa. Factors affecting the rate of transpiration. If all other conditions are favorable for transpiration, the water absorbing capacity of the root surface and the transpiring capacity of the leaf surface regulate the rate of transpiration.if transpiration is greater than absorption, a water deficit results, which causes a reduction in the transpiration rate.(ii).
External Or Environmental Factors And 2.
If humidity is high, rate of. Greatly influences the magnitude of the driving force for water movement out of a plant rather than having a direct effect on stomata. Factors affecting rate of transpiration.
Very Low Temperature Also Closes The Stomata And Hence Decreases The Rate Of Transpiration.
Water content of the leaves Internal factors include plant factors like: As the air becomes dry, the rate of transpiration is also increased proportionately.
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