RE: acer/wilt

Thanks, I'll pass this on to her.  Yikes!  I spent $100 on a red cultivar of
acer about 3 years ago.  I'd croak if I lost it!

> -----Original Message-----
> From: Marilyn Dube [m*@teleport.com]
> Sent: Tuesday, June 20, 2000 11:39 AM
> To: woodyplants@mallorn.com
> Subject: RE: acer/wilt
> 
> 
> Susan,  Oh, Oh.  That sounds like what has been happening to 
> my tree, one
> section at a time.  The wilt affects the main roots, but not 
> all at once.
> The infection may spread slowly over a period of years or 
> over a short time
> span, but I don't think they die all at once.  A tree will 
> bloom or leaf out
> on stored energy from last year but because the Phloem sp? 
> (transport cells)
> have collapsed, there is no way to get food & water to the stems and
> branches, so the leaves wither and die.  OSU extension says that
> Verticillium is in our soils everywhere and your tree either 
> has natural
> resistance or it doesn't.  Excellent drainage is a must and 
> may stave off
> the disease for many years. There is a soil fumigant that can 
> be used, but
> what's to prevent rain water from washing the Verticillium 
> back into your
> location?  The person who comes up with a "cure" for this one 
> will have the
> world beating a path to her/his door.  I believe she would 
> have to have her
> soil tested to make a definitive diagnosis.  She has my 
> sympathy!    Marilyn
> 
> 
> -----Original Message-----
> From:	owner-woodyplants@mallorn.com 
> [owner-woodyplants@mallorn.com]
> On Behalf Of Saxton, 
> Susan
> Sent:	Tuesday, June 20, 2000 8:46 AM
> To:	'woodyplants@mallorn.com'
> Subject:	acer/wilt
> 
> Marilyn, how does one identify that a Japanese maple has died 
> from this?  My
> mom has had a BEAUTIFUL one in her front garden and it did 
> leaf out, but now
> the leaves look like they were fried by the sun.
> 
> 
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