[NAFEX] lime sulfur

Stephen Sadler Docshiva at Docshiva.org
Wed Apr 5 15:38:37 EDT 2006


I agree that a sulfured paint won't do the trick, as the problem is
systemic.  How old is the tree?  Are mushrooms growing from the ground near
the tree (from the roots)?  

The type of saprophytic fungus liable to fruit (produce mushrooms) is not
the type that would be likely to be doing the primary damage to the tree.
First the wood dies, then the dead wood becomes able to take in moisture,
then the fungus takes hold.  There are likely other processes at work.
Systemic fungus travels through the living tissues of the tree, and may not
affect the fungus that's producing those mushrooms.  

People often think that such fungi hasten the demise of their hosts, but
others are certain that the tree would decline at the same rate without the
fungi; the dead wood just wouldn't decompose as fast.  

Try a spray fungicide like Serenade, which infects the three with a
fungicidal microorganism.  Follow the appropriate cultural treatments for
the variety and your location.  Introduce fertile compost to the broad area
around the tree (staying a few inches away from the trunk).   


Stephen Sadler, Ph.D.


-----Original Message-----
From: nafex-bounces at lists.ibiblio.org
[mailto:nafex-bounces at lists.ibiblio.org] On Behalf Of tanis grif
Sent: Wednesday, April 05, 2006 12:04 PM
To: North American Fruit Explorers
Subject: Re: [NAFEX] lime sulfur

I don't think you can kill the fungal infection from the outside.  The
mushrooms are
just the fruiting bodies, the main fugus is more like a fine net threaded in
the
wood.  I don't know if there are any systemic fungicides, but that's more
what you'd
need.


--- Thomas Olenio <> wrote:

> 
> Hello,
> 
> I have a cherry tree with a fungal problem.  White mushrooms growing from

> tree trunk.
> 
> Can lime/sulfur be added to latex paint, and painted directly on the fungi

> to kill them?
> 
> Thanks,
> Tom
> -- 
> ============
> 
>

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