To: North American Fruit Explorers <nafex@lists.ibiblio.org>
Subject: Re: [NAFEX] lime sulfur
Date: Wed, 5 Apr 2006 13:25:11 -0700 (PDT)
I was trying to recall the name of a fungus which indeed does do both the
infecting
and the fruiting. Does armillaria sound right?
--- Stephen Sadler <> wrote:
> 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.
>
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