In the water relations of vascular plants,the cohesive property of water is most important in the

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The cohesive property of water is most important in xylem as it allows for water molecules to stick together, forming a continuous column of water from the roots to the leaves. This helps in maintaining the water potential gradient and facilitating water movement in plants through transpiration. The epidermis is important in controlling water loss through the stomata, and internal air spaces do not have a significant role in water relations.

In the Water Relations of Vascular Plants,the Cohesive Property of Water