He was not able to locate the trowel until several years later. When he tried to remove it from the tree, he found that he could not do so. Botanists believe that the Cohesion-Tension Hypothesis explains how water moves upward in the xylem. Recently transplanted plants are not able to absorb water from the soil. At night, the stomata close and transpiration stops.
Translocation is the long distance transport of sucrose in phloem.