By Stitchwort
United Kingdom 
I have 2 young vranja quince trees in a walled garden in cornwall, that succumb to quince leaf blight every year, advice please
23 Oct, 2013
Answers
Bordeaux mixture (still allowed for amateur use) dispersed in water as per the instructions on the container and sprayed on the leaves works for a while. But in must be renewed after rain as the protective copper washes off easily.
It is only really effective for very small trees.
24 Oct, 2013
Previous question
« Could anyone tell me the name of this lovely Hebe, just coming into flower now?
Just found this article apps.rhs.org.uk/advicesearch/profile.aspx?pid=745 which gives good information and how to treat quince blight. Hope it helps.
24 Oct, 2013