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Dying Cherry trees

Posted by Nick Mutch on August 3, 2010 at 8:44am in Plants
Does anyone have any idea what might be causing the thinning foliage and poor flowering of several cherry tree varieties including autumnalis and Armanagowa.Also Robinia Frisia which I have noticed dying in several different gardens in and around South Wales?
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  • Bigyin August 3, 2010 at 9:46am
    If you Google your title, there's lots of info out there.
  • Nick Mutch August 3, 2010 at 9:51am
    Thanks

    Bigyin said:
    If you Google your title, there's lots of info out there.
  • Bigyin August 3, 2010 at 10:33am
    You're welcome. I hope my reply didn't sound off hand. I've lost a three year old plum tree this year. I've seen on the net that they can revive themselves after a couple of years and then a local expert just declared it "dead" so it's difficult to know what to think sometimes. I'm torn between ripping it out and replacing it or just waiting to see.
  • Matt August 3, 2010 at 11:57am
    A lot of plants and trees are doing it tough at the moment, we had a relatively hard winter, a VERY dry spring and now, if you are anything like us, a lot of moisture and little good quality sunlight. I suspect that this is knocking them back and making them more susceptible to pests and diseases. Got any pictures? Any sign of fungus or pests? Are the leaves simply dropping off or are they going through any "death throws" before they fall? What is the bark like? What is the ground like around the trees?

    I suspect that since you said that more than one species of tree is dying its more to do with climatic conditions than anything else, if so then there are some things that can be done but without more info, like the Google search, the possibilities are numerous.
  • Nick Mutch August 3, 2010 at 3:23pm
    Matt,
    Thanks. This has been happening gradually over the last few years. There are no signs of disease (other than twiggy die back) but it is very obvious that the leaf cover is dramatically reduced in one year, then the dying back and poor flowering quickly follows. I don't know how long it would take for the tree to completely die, my client wants them gone long before that happens, understandibly.

    Matt said:
    A lot of plants and trees are doing it tough at the moment, we had a relatively hard winter, a VERY dry spring and now, if you are anything like us, a lot of moisture and little good quality sunlight. I suspect that this is knocking them back and making them more susceptible to pests and diseases. Got any pictures? Any sign of fungus or pests? Are the leaves simply dropping off or are they going through any "death throws" before they fall? What is the bark like? What is the ground like around the trees?

    I suspect that since you said that more than one species of tree is dying its more to do with climatic conditions than anything else, if so then there are some things that can be done but without more info, like the Google search, the possibilities are numerous.
  • Matt August 3, 2010 at 4:33pm
    I know some wont like this reply but I would suggest that soil is part of your problem. Is there any soil compaction? Is it in an area that takes heavy traffic or even gets too much water?

    I would get some seaweed on the area and maybe a soil wetter, it will help with the compaction problem initially although it wont clear it up long term.
  • Bigyin August 3, 2010 at 4:46pm
    Might be worth looking up Verticillium wilt.
  • Matt August 3, 2010 at 4:52pm
    He didn't mention any noticeable leaf issues.

    Bigyin said:
    Might be worth looking up Verticillium wilt.
  • Nick Mutch August 9, 2010 at 4:48pm
    Thanks for your suggestions, I don't think it's Vert. Wilt as I have seen that on Acers and it's nothing like that, to be honest, the trees just look a bit 'poorly' all over. There seems to be no cause, it's a private garden so no heavy traffic, it gets as much rain as every other part of the garden (and this being Wales, more than some), there seems to be no pest, there's no sign of fungus or similar on the trunk or branches.
    Thanks anyway.
    Nick

    Matt said:
    He didn't mention any noticeable leaf issues.

    Bigyin said:
    Might be worth looking up Verticillium wilt.
  • Gareth August 9, 2010 at 6:06pm
    Theres an unknown (still I think) disease of Robinias going around - lots died here around Bristol last couple of years.

    Have you checked under the bark of the cherries at ground level, look for white fungal mycelium, a sign of honey fungus.
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