This suction pulls water up from the roots, via the xylem, into the growth layer of the trunk and into the tree crown. There it replaces the water that has been released into the atmosphere.

More than half of tree growth in the UK could be lost within 25 years due to the twin threat of invasive pests and diseases, new research warns. Their arrivals are likely to "severely damage" UK ...

The arrival of new plant pests and diseases is likely to severely damage UK trees and woodlands in the coming decades, new research shows. The ash dieback epidemic prompted the government to ...