[NAFEX] Powdery Mildew in the mulch pile
Ron Powell, PhD
Botrytis at fuse.net
Mon Oct 19 19:04:45 EDT 2009
Regarding the issue of putting powdery mildew in the mulch pile, powdery
mildew is an obligate parasite or biotroph and must have living tissue to
continue growing. However, some of the spores (cleistothecia) could
probably survive the composting if not properly done.
----- Original Message -----
From: "Jim Fruth" <jimfruth at charter.net>
To: "NAFEX" <nafex at lists.ibiblio.org>
Sent: Monday, October 19, 2009 10:28 AM
Subject: [NAFEX] Powdery Mildew in the mulch pile
> Re Powdery Mildew, Ginda asked, "Okay to just toss it in the mulch pile?"
> 100% of my non-woody garden and orchard waste goes into my 3' x 30'
> mulch pile. I don't turn it and it does heat but I've mever measure it to
> see how hot it gets. All of my compost is used for potting soil. The
> amount of it that ever gets back into the garden is the soil of tomato and
> pepper transplants and the root balls of each are buried deep and covered.
> My pumpkins, squash and cucumbers get powdery mildew every year,
> in early September when the sun's rays become more indirect. I see
> mildew in other people's gardens too, even among those who put their
> waste in the garbage to be hauled away.
> Jim Fruth
> Brambleberry Farm
> Pequot Lakes, MN 56472
> For jams, jellies, syrups and more:
> 1-877-265-6856 (Toll Free)
> 1-218-831-7018 (My Cell)
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