By Spiderpig
United Kingdom 
the leaves on my pear trees have black marks on them what are they
4 Jul, 2011
Answers
More likely Scab. Spray with copper sulphate.
4 Jul, 2011
By Spiderpig
United Kingdom
the leaves on my pear trees have black marks on them what are they
4 Jul, 2011More likely Scab. Spray with copper sulphate.
4 Jul, 2011
Maybe pear blister mite need a pic to be sure!
4 Jul, 2011