Is this ash die back?

[Ian C]

Have a look at the pics, sad looking Ash tree. Ash in next door looks totally different and looks normal health wise.

 

Look closely at the twig ends!

[wood cutter]

You need to look at the bark surrounding branch bark collar and ridge and you should be able to see a distinct diamond shape that is a different colour to the rest of the bark

 

Does loom likes it's had it though!

 

 

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[daltontrees]

The pictures are just sihouettes. Are you sure those hanging things aren't just ash keys? Apart form Chalara, it'd been a bumper year for Ash and their fruiting,

[Ian C]

No its not just ash keys the twig ends look weird.

[Spruce Pirate]

I believe there are many other diseases which can affect ash as well as chalara.

 

If it is chalara you should be able to identify a clear point below which the infection hasn't taken hold. The diamond shaped lesions mentioned before are also a good give away, but I don't have experience of identifying them on larger bits of wood, only small stems/branches.

[daltontrees]

Wouldn't one expect premature death and continued attachment of leaves on Ash affected by Chalara? And if so, can you say whether these leaves wilted early and stayed attached? Looks like autumn to me (sorry, I'm not trying to insult your intelligence, I am just questioning why some leaves are off and others are still on and hanging).

[Ian C]

Leaves are showing wilting and premature death, yes I'm quite aware its autumn but most ash don't look like this and the ash in next door is totally different in appearance.

[Spruce Pirate]

Wouldn't one expect premature death and continued attachment of leaves on Ash affected by Chalara?

 

I think it would depend on the size of the tree and the progression of the infection. As I understand it, the infection takes hold in a leaf set and works its way back down through the twig, to branch to stem. The fungus then spreads from the leaf litter of dropped infected leaves. Therefore if its the first infection the tree would not necessarily wilt and die straight away (but branches could), but if its the second year of infection it would have greater effect.

 

Please correct me if I'm wrong....

[Ian C]

That would make sense, the tree is mature , main stem looks normal but limbs dont look so good .