DENDROLOGY

TREE PHYSIOLOGY

TRANSPIRATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Select ALL of the environmental factors that would increase transpiration.
A
Increased humidity
B
Increased wind speed
C
Increased temperature
D
Decreased surface area
Explanation: 

Detailed explanation-1: -Light. Plants transpire more rapidly in the light than in the dark. Temperature. Plants transpire more rapidly at higher temperatures because water evaporates more rapidly as the temperature rises. Humidity. Wind. Soil water.

Detailed explanation-2: -Transpiration increases with increasing air temperature and wind velocity. At constant temperature and wind velocity, transpiration rate is governed by moisture content of air. Transpiration also increases with decreasing relative humidty at constant wind velocity.

Detailed explanation-3: -Temperature plays a major role in the rate of transpiration. As the temperature increases, transpiration will increase due to a higher concentration in sunlight and warm air.

Detailed explanation-4: -As the temperature rises, the water evaporates faster, so plants sweat faster at higher temperatures. This is mainly because plants open stomata and release more water vapour at warmer temperatures.

Detailed explanation-5: -Transpiration rate increases with the velocity of wind and intensity of light. As the humidity of the outside atmosphere is increased, transpiration decreases.

There is 1 question to complete.