North American Fruit Explorers mailing list at ibiblio

["Stephen Sadler" <Docshiva@Docshiva.org>]

I would think the rootstock has died and the graft has self-rooted.  As far
as I know, pleurotis/oyster mushrooms won't inhabit or damage live wood.
Provided you're sure they're oyster mushrooms, I'd regard this as a twofer.
Maybe you could cut out the rootstock, but it may be providing structural
support if not nutrient transport. 
How tall is the nectarine?  If my guesses are correct, you could lose the
rootstock before the graft has grown enough support, and it could tilt over.
You might want to support it.  If you did prune away the rootstock, you
could half-bury it elsewhere to possibly get more mushrooms, or even use it
to inoculate another substrate. 
I can see examining the roots for health and to see which part of the plant
is alive and rooting; I could see removing the rootstock, if dead, to allow
the graft to grow a root system unimpeded; and I could see leaving well
enough alone.  Of course, any examination would be done while the tree is
dormant.

~ Stephen

-----Original Message-----
From: nafex-bounces@lists.ibiblio.org
[mailto:nafex-bounces@lists.ibiblio.org] On Behalf Of loneroc
Sent: Tuesday, August 31, 2010 4:32 AM
To: North American Fruit Explorers
Subject: [NAFEX] Mushrooms on potted nectarine

Hi all,

I have a potted nectarine on Lovell rootstock that's probably 5-6 years old.

Twice this year it's had a "lovely" crop of oyster mushrooms from just below

the soil line from what appears to be the root collar.  It's also got a nice

crop of fruit and seems healthy otherwise.

What's a boy to do?

Steve Herje
SW WI 

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