Theories of Ascent of Sap: 4 Theories | Plant Physiology
The following points highlight the top four theories of ascent of sap. The theories are: 1. Vital Force Theory 2. Root Pressure Theory 3. Theory of Capillarity 4. Cohesion Tension Theory. 1. Vital Force Theory: A common vital force theory about the ascent of sap was put forward by J.C. Bose (1923). It is called pulsation theory. The theory believes [...]