By Pat1956
United Kingdom 
i have an Acer briliantisma and this year the leaves have green powdery looking spots on the centre of the leaves and the tree trunk has round brownish green paches on it and on these marks there are hard very small black raised spots what could this be the tree is beginning to look very ill
4 Jul, 2011
Previous question
Next question
Could just be gall mites, but any chance of a photo of an affected leaf and the trunk?
4 Jul, 2011