UKTC Archive

Re: Chemical Damaged Ash?

Subject: Re: Chemical Damaged Ash?
From: Julian Dunster
Date: Jun 20 2006 18:49:45
Certainly, herbicide damage comes to mind looking at the photo. I do recall that some plants look like this with low doses - not dead yet, but certainly seriously impaired as a result of cellular damage and impaired growth. There may be some help in the agriculture literature regarding crop responses to dosage levels. I think that may be where I have seen somthing like this before. 

jd
----- Original Message ----- From: "Adam Hollis" <adam.hollis@xxxx.com> 
To: "UK Tree Care" <uktc@xxxxxx.tree-care.info>
Sent: Tuesday, June 20, 2006 11:26 AM
Subject: Re: Chemical Damaged Ash?




On 19 Jun 2006, at 22:26, uktc-request@xxxxxx.tree-care.info wrote:


Date: Mon, 19 Jun 2006 13:23:52 EDT
From: Andersonarb@xxxx.com
Subject: Re: Chemical Damaged Ash?

In a message dated 19/06/2006 17:50:00 GMT Standard Time,
mike@xxxxx.co.uk
writes:


Stouts &Winter makes a mention of pesticides and fasciation.


Yeah I think I've seen similar but these don't seem to fit. The
thing about
these is they appear to all intents quite healthy. I suppose the
compaction
from mowing and the like could almost be creating a sort of
dwarfing root stock

type scenario? Trouble is I don't know enough about herbicides, or
dwarfing
root stocks come to that.

One of the dense crown sites had me looking for different
varieties, but none
of the few listed in Cassells looked likely, while Van den Berk
doesn't
really help either. I'd have thought that if Artichokes were
rushing round
planting
Ash variations in the 60s we'd've heard of some, but beyond
Westhof's Glorie
and Jaspida I've not heard of any, at least none that spring to mind.

Bill.


-



Bill

Hi

Have you tried Fraxinus excelsior Crispa?

This little monstrosity (attached), I've come across lurking in the
corners of European nurseries, fits the bill: small, shining dark
green leaves with curled and twisted leaflets

Either an architectural feature tree or a nurseryman's best
simulation of pesticide damage.

Regards

Adam





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http://www.arborcentre.co.uk/