By Brianthevest
United Kingdom 
My aced tree has White marks on the bark can you help please
24 Jun, 2012
Previous question
« What is the best way to remove caterpillars from white currants?
If the white marks are fluffy, most likely its scale insect. You can clean them off with a soft brush, or a disposable cloth, and a bucket of water with a bit of soap in it, or use a cloth lightly moistened with methylated spirits, but don't get it on the leaves.
24 Jun, 2012