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Metrosideros' dying horribly

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Posted by Pangaea S'shine Cst, Q. (My Page) on
Mon, Jun 3, 02 at 6:19

We have several Metro's at work (Sunshine Coast, QLD, Australia), and they are all being killed horribly. The symptoms are as follows-

Foliar die off starting in the crown/outer foliage.

Lifting of the bark on diseased limbs at limb axis.

There is no evidence of fras, but there are borer holes.
I am wondering whether it is a specie of weevil, due to the lack of any other sign of beastie. There is no foliar damage or malformation, nor is there any bark damage with the exception of the lifting of the bark at the limb bases. Once the problem shows evidence in a tree/shrub, it quickly spreads through out the plant and kills it. We have tried physically removing affected limbs, but to no avail.
This problem has spread to all of the Metro's at work, and today evidence was found of it beginning in the Raphiolepsis indica's.
All help or suggestions would be appreciated.
Thanx all!

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RE: Metrosideros' dying horribly

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Sorry can't help you but suggest you write to Jack Hobbs Auckland Botanical Gardens Auckland NZ. He is good value and will probably know.

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RE: Metrosideros' dying horribly

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It shouldnt matter that the Raphiolepsis indicas are dying as they are proving to be a bit of a weed problem anyway.

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RE: Metrosideros' dying horribly

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Could it be a viral infection ? Sounds quite similar to something I had with my Robinia...I hope not as the only cure was removal and replanting. Good luck.

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RE: Metrosideros' dying horribly

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Sounds like fungal infection. Fungus to root system ? Pest at larval stage eat root, beetle borer stage eat bark - infection spread all round possibly. Better get some sample bits and pieces and get an expert opinion.

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