One of the most serious causes of white tree bark is white rot fungus. If your tree normally has white bark, you will need to ...

The tradition of using white paint on tree trunks is not merely ornamental ... By maintaining a dry and well-lit bark surface, the risk of fungus-induced deterioration is considerably minimized.

Once infected, the fungus travels through water vessels in the tree’s trunk, causing the tree to block the vessels in order to prevent the infection from spreading. Some types of oak fare better than ...