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Old 09-09-2009, 02:08 PM posted to uk.rec.gardening
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Default Leylandii Disease

My Leylandii have been dying one by one for several years. Previously they
took some time to die but the latest was quite healthy 2 weeks ago and is
now dead. All the trees, planted about 16 years ago, were on a bank of a
stream so I don't think water was a problem.

Looking beneath the bark there is no sign of fungal disease and I can't see
any aphids on it.

It looks as if a privet bush close to the hedge is also dying.

Anyone know what the problem might be and have a cure?

John



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Old 09-09-2009, 02:26 PM posted to uk.rec.gardening
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Default Leylandii Disease

On Wed, 9 Sep 2009 14:08:22 +0100, "jks"
wrote:

My Leylandii have been dying one by one for several years. Previously they
took some time to die but the latest was quite healthy 2 weeks ago and is
now dead. All the trees, planted about 16 years ago, were on a bank of a
stream so I don't think water was a problem.

Looking beneath the bark there is no sign of fungal disease and I can't see
any aphids on it.

It looks as if a privet bush close to the hedge is also dying.

Anyone know what the problem might be and have a cure?

John

A saw cut close to the ground is a good cure for Leylandii.

Pam in Bristol
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Old 09-09-2009, 02:28 PM posted to uk.rec.gardening
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Default Leylandii Disease


"jks" wrote in message
...
My Leylandii have been dying one by one for several years. Previously they
took some time to die but the latest was quite healthy 2 weeks ago and is
now dead. All the trees, planted about 16 years ago, were on a bank of a
stream so I don't think water was a problem.

Looking beneath the bark there is no sign of fungal disease and I can't
see any aphids on it.

It looks as if a privet bush close to the hedge is also dying.

Anyone know what the problem might be and have a cure?


You have'nt seen any aphids so my first guess (Cypress aphid
http://news.bbc.co.uk/1/hi/uk/7493107.stm ) is probably wrong. In any case
I don't know if it would affect Privet.

Another possibility is Phytophthora, a sort of fungus-like organism that
causes foliage to turn brown, often down one side of the plant at first,
before the tree eventually dies. It killed a whole cypress hedge of mine
last year and affects conifers and fruit trees. There is no cure. Similar
symptoms are caused by Honey Fungus.

R.


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Old 09-09-2009, 02:35 PM posted to uk.rec.gardening
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Default Leylandii Disease


"Pam Moore" wrote in message
...
On Wed, 9 Sep 2009 14:08:22 +0100, "jks"
wrote:

My Leylandii have been dying one by one for several years. Previously they
took some time to die but the latest was quite healthy 2 weeks ago and is
now dead. All the trees, planted about 16 years ago, were on a bank of a
stream so I don't think water was a problem.

Looking beneath the bark there is no sign of fungal disease and I can't
see
any aphids on it.

It looks as if a privet bush close to the hedge is also dying.

Anyone know what the problem might be and have a cure?

John

A saw cut close to the ground is a good cure for Leylandii.

Pam in Bristol


In defence M'lud it is hiding a block of ugly garages.

John


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Old 09-09-2009, 02:41 PM posted to uk.rec.gardening
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Default Leylandii Disease


"Ragnar" wrote in message
...

Another possibility is Phytophthora, a sort of fungus-like organism that

causes foliage to turn brown, often down one side of the plant at first,
before the tree eventually dies. It killed a whole cypress hedge of mine
last year and affects conifers and fruit trees. There is no cure.
Similar symptoms are caused by Honey Fungus.

R.


My apple tree was suffering from candyfloss like stuff, but this year it
seems quite healthy.
My almond tree took several years to die.

If there is no cure is there anything suitable to replace them as a screen?

John




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Old 09-09-2009, 03:43 PM posted to uk.rec.gardening
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Default Leylandii Disease

On Sep 9, 2:26*pm, Pam Moore wrote:
On Wed, 9 Sep 2009 14:08:22 +0100, "jks"
wrote:

My Leylandii have been dying one by one for several years. Previously they
took some time to die but the latest was quite healthy 2 weeks ago and is
now dead. All the trees, planted about 16 years ago, were on a bank of a
stream so I don't think water was a problem.


Looking beneath the bark there is no sign of fungal disease and I can't see
any aphids on it.


It looks as if a privet bush close to the hedge is also dying.


Anyone know what the problem might be and have a cure?


John


A saw cut close to the ground is a good cure for Leylandii.



Followed by a good mulch (concrete or tarmac works well)
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Old 09-09-2009, 04:41 PM posted to uk.rec.gardening
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Default Leylandii Disease


John wrote
Ragnar wrote
Another possibility is Phytophthora, a sort of fungus-like organism that
causes foliage to turn brown, often down one side of the plant at first,
before the tree eventually dies. It killed a whole cypress hedge of mine
last year and affects conifers and fruit trees. There is no cure.
Similar symptoms are caused by Honey Fungus.


My apple tree was suffering from candyfloss like stuff, but this year it
seems quite healthy.
My almond tree took several years to die.

If there is no cure is there anything suitable to replace them as a
screen?


Candyfloss stuff on your aplple tree is Woolly Aphid, spray in early spring.

As it's your Leylandii, Privet and Almond that have died I would suggest it
is probably Honey Fungus, little else would kill all those other than a
neighbour with a bottle of poison.

--
Regards
Bob Hobden
just W. of London






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Old 09-09-2009, 05:16 PM posted to uk.rec.gardening
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Default Leylandii Disease



jks wrote:
My Leylandii have been dying one by one for several years. Previously
they took some time to die but the latest was quite healthy 2 weeks
ago and is now dead. All the trees, planted about 16 years ago, were
on a bank of a stream so I don't think water was a problem.

snippy

Polluted stream?
--
Pete C
London UK


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Old 12-09-2009, 07:04 PM posted to uk.rec.gardening
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Default Leylandii Disease


"jks" wrote in message
...
My Leylandii have been dying one by one for several years. Previously they
took some time to die but the latest was quite healthy 2 weeks ago and is
now dead. All the trees, planted about 16 years ago, were on a bank of a
stream so I don't think water was a problem.

Looking beneath the bark there is no sign of fungal disease and I can't
see any aphids on it.

It looks as if a privet bush close to the hedge is also dying.

Anyone know what the problem might be and have a cure?


It may be your neighbour poisoning them. Hooray




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