Question

describe the mechanism of ascent of sap​

Answer 1

Mechanism of Ascent of Sap:

In small trees and herbaceous plants the ascent of sap can be explained easily, but in tall trees like Australian Eucalyptus, some conifers such as mighty Sequoias (Sequoia, Sequoia Dendron, Metasequoia are the tallest and thickest trees of the present day flora, some­times reaching a height of 300-400′) where the water has to rise up to the height of several hundred feet, the ascent of sap, in fact, becomes a problem. Although the mechanism of ascent of sap is not well understood, a number of theories have been put forward to explain it.