• One to watch

    About four years back I pollarded this ash tree in the bottom corner of the garden. It had twin leaders & I was concerned that if I left it to develop into a tall tree I was looking at a potential failure point in the face of windy weather. When I pollarded there were only a few ash trees in the vicinity that were infected with ash dieback, but in that intervening period some around here have died and many more are showing signs of the disease, with an apparent acceleration this spring. I knew that ash dieback tends to most readily infect new growth and young trees so it was always going to be a bit of a risk pollarding.

    Sadly, the tree appears to have ash dieback this year (and I suspoect there was a bit last year). In an attempt to try and quash the infection I spent a morning last week cutting out all the diseased material I could find, which included some branches displaying the classic diamond lesions. Now all I can do is watch and wait to see how the tree reacts, adapts and continues to fight infection. It's hard to know exactly how far in the pathogen has gone, but where I cut the branches away there was no obvious tissue darkening that might indicate its presence.

    As far as I know there has been little work done to determine how trimmed trees can fight back & survive AD - it's too labour intensive in the greater scheme of things, but let's see what happens....

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