Archive | Water Relation

Active Water Absorption | Plant Physiology

Some instances water absorption appears to take place through the mediation of forces which originate in the root itself. Such a process is called active water absorption. It is operative in the form of root pressure, bleeding and guttation. Root Pressure: Roots of plants absorb water from the soil. Water thus absorbed is exuded in the dead xylem ducts of [...]

By |2016-07-20T08:05:35+00:00July 20, 2016|Water Relation|Comments Off on Active Water Absorption | Plant Physiology

The Ascent of Sap: Meaning, Role and Theories | Plant Physiology

In this article we will discuss about:- 1. Meaning of Ascent of Sap 2. Rate and Amount of Ascent of Sap 3. Theories. Meaning of Ascent of Sap: The upward movement of water from the root to the top of the plant is called as ascent of sap. Plants absorb water through the roots and transpire through leaves. The water [...]

By |2016-07-20T08:05:35+00:00July 20, 2016|Water Relation|Comments Off on The Ascent of Sap: Meaning, Role and Theories | Plant Physiology
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