Noticed 2 of our 30+ native alders are no longer thriving. Both have this on their trunks, they are not close to each other and no strimmers have been near them, hope it's not some form of disease. Any ideas what can be done? by inimelz gardening Ireland 4 Comments DuncDub 1 year ago Have a look at root and collar rot? Hopefully not! Causing dieback of Alder. DuncDub 1 year ago Have a look at root and collar rot causes dieback in Alder? Hopefully, it isn’t TheStoicNihilist 1 year ago Looks like a canker. https://www.rhs.org.uk/disease/phytophthora-bleeding-canker The treatment is usually cut and burn the wood – you can’t compost it as the fungus survives. It spreads through wounds in the bark, even the wound from a leaf falling can let it in. Low-Complaint771 1 year ago Am I alone in thinking pestilance and infestation is part of the point of native planting.. I am actively waiting for trees to die in the native copse I’ve planted for the fungi and beetles to move in. Write A CommentYou must be logged in to post a comment.
TheStoicNihilist 1 year ago Looks like a canker. https://www.rhs.org.uk/disease/phytophthora-bleeding-canker The treatment is usually cut and burn the wood – you can’t compost it as the fungus survives. It spreads through wounds in the bark, even the wound from a leaf falling can let it in.
Low-Complaint771 1 year ago Am I alone in thinking pestilance and infestation is part of the point of native planting.. I am actively waiting for trees to die in the native copse I’ve planted for the fungi and beetles to move in.
4 Comments
Have a look at root and collar rot? Hopefully not! Causing dieback of Alder.
Have a look at root and collar rot causes dieback in Alder? Hopefully, it isn’t
Looks like a canker.
https://www.rhs.org.uk/disease/phytophthora-bleeding-canker
The treatment is usually cut and burn the wood – you can’t compost it as the fungus survives.
It spreads through wounds in the bark, even the wound from a leaf falling can let it in.
Am I alone in thinking pestilance and infestation is part of the point of native planting..
I am actively waiting for trees to die in the native copse I’ve planted for the fungi and beetles to move in.