3. It is thought that transpiration enhances nutrient uptake into plants. Anonymous. Transpiration is an important phenomenon because 1. Transpiration stream helps in the distribution of nutrients to all the parts of the plant body. Excess water getting into the plant might decay the cells. ADVERTISEMENTS: 1. oCreates water vapor that forms into fog and clouds. Stomatal transpiration (through leaves) – Loss of water through specialized pores present in the lower surface of leaves called stomata.It accounts for around 80 to 90% of the total water loss from plants. Transpiration is ultimately the main driver of water movement in xylem. ? This causes the plant cells to cool down and prevents direct sunlight from damaging the delicate cells. it helps in the easy evaporation of abandance of water . 1. 4. Besides, C4 plants might have evolved to r… A look into the photosynthesis process would help to understand this fact more clearly. C. H. M. Van Bavel, Further to the Hydrologic Importance of Transpiration Control by Stomata, Water Resources Research, 10.1029/WR004i006p01387, 4, 6, … The importance of evapotranspiration (ET) in sustaining the global- and continental-scale hydrologic cycle and replenishing the world's freshwater resources has been recognized for thousands of years. 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The water is released out and into the Earth's atmosphere. Transpiration helps to cool down the plant surface during evaporation. oProduces 90-450 kg of water for each pound of solid material produced by plants. In the night the rate of transpiration is low, hence in night water and mineral transportation takes place by root pressure. (ii) It facilitates the movement of soil water. It … By this method, water and minerals reach the different part of the body of the big plant. ? Transpiration is very important for maintaining moisture conditions in the environment. Transpiration is caused by the evaporation of water at the leaf–atmosphere interface; it creates negative pressure (tension) equivalent to –2 MPa at the leaf surface. Most of the water absorbed by the roots of a plant —as much as 99.5 percent—is not used for growth or metabolism; it is excess water, and it leaves the plant through transpiration. 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