Water movement up the stem
Автор: Dr Bhavsar Biology
Загружено: 2015-05-08
Просмотров: 14163
Описание: Discussion of what happens to water that has moved in to the xylem from the root. Water then moves through the stem towards the leaves. There are three contributing factors to this movement: Root pressure, transpiration pull (involving the cohesion-tension theory) and capillary movement. Once in the leaf tissues, water continues to move by osmosis from regions of high to low water potential.
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