The exact science of tree sap transport has puzzled plant physiologists for many years. Sap's migration throughout tree trunks and branches is linked heavily to transpiration, the movement and ...

The mechanisms behind sap exudation in sugar maple trees -- processes that trigger pressure differences causing sap to flow -- are a topic of much debate. In a new paper, researchers shed light on ...

As spring approaches, there’s magic in the woods. Trees almost defy gravity when the sap stored in their roots begins flowing upward. And the Lake County Forest Preserves takes advantage of that ...