European Hornbeam fungal infection

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European Hornbeam fungal infection

Post  peterbone on Fri Apr 21, 2017 1:22 pm

Three of my Hornbeams started showing signs of a fungal infection that made the leaves turn brown and twigs to die back last summer. One tree died. On the surviving ones the leaves came out ok this year but are now showing signs of it again. I've been spraying with systemic fungicide while the leaves have been coming out, but it doesn't seem to help. I also tried Bordeux mixture last year. The trees were collected 3 years ago and were healthy until they started having the problem. They're in a free draining substrate.

Please could you have a look at the below images and let me know if you have any ideas what it is and how it could be treated? I think the remaining trees may die this year if I don't find a cure.


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Re: European Hornbeam fungal infection

Post  my nellie on Mon Apr 24, 2017 10:39 pm

I hope that some expert will respond to your subject.
But cannot you take some of the infected leaves to an agronomist and get advice/treatment in person?
my nellie

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