Biology 1st Edition by Jerome Krueger, Kendra Hill, Robert Noyd

تمرين 20

A girdled tree is one in which a ring of bark is removed entirely around the trunk of a tree. All that remains is the xylem ( Fig. ). How will this affect the tree's sugar transport? How will the roots receive sugars from the leaves? Eventually, how will water transport be affected?
Figure Girdled tree trunk.