By Corgiman
Shropshire,
United Kingdom 
Hi, I have a apple tree which I am training against a very high wall, This year it has not produced a lot of fruit and has a white looking bloom on the underside of the leaves, Any ideas please
On plant
Thanks .I will try that
16 Jun, 2015
Previous question
« Hello my Friends...... can you cut the seed heads off Amaryllis ??
I would check out the following RHS site and see if this is it.
https://www.rhs.org.uk/advice/profile?pid=253
17 Jun, 2015