Re: CULT: first casualty

From: "Hartman" <rwhdlh@oceana.net>

Hi Mike, how are you going to apply the aspirin?
Dorothy Hartman,
Pentwater, MI Zone 6 on Lake Michigan ,Sand,Sand,Sand.
----- Original Message -----
From: Gullo <tgf@frontiernet.net>
To: <iris-talk@onelist.com>
Sent: Monday, March 06, 2000 10:18 PM
Subject: Re: [iris-talk] CULT: first casualty


> From: Gullo <tgf@frontiernet.net>
>
> Hi Jeff,
>
>      Sorry to here about your casualties, it is always frustrating to lose
some
> of one's cherished plants.  Might be an opportunity to see if any
cultivars or
> species managed to survive the onslaught, and perhaps might be more
resistant.
> Could be useful information for hybridizing purposes.  I wondered if you
grow
> any rebloomers, and if so, how they fared this winter.  I've been doing
some
> reading on salicylic acid ( aspirin ) and would suggest that trying some
might
> not be a bad idea to see if it helps control the Botrytis.  I'm going to
do
> some testing with aspirin this season and see how it effects overall plant
> health.  Good luck to you and your irises.
>
> Michael Gullo
> West Walworth, New York, USA
> zone 6
>
> Jeff and Carolyn Walters wrote:
>
> > From: "Jeff and Carolyn Walters" <jcwalters@bridgernet.com>
> >
> >  dkramb@badbear.com writes:
> >
> >  << While doing spring cleanup in the gardens today, I found the first
iris
> >   casualty of the year.  >>
> >
> > The loss of any treasured denizen of the garden is a cause for distress,
> > but now that a semblance of spring has arrived here and the soil has
dried
> > out enough for me to get out into the garden and view the situation at
> > close hand, I find that the iris beds bear some resemblance to the
> > vegetable equivalent of the aftermath of Pickett's charge. The cause of
all
> > the slaughter is not canister shot and minie balls, but Botrytis, which
has
> > flourished to an unparalleled extent in the relatively mild weather we
have
> > endured this winter. Temperatures were 10 degrees or more above average
for
> > January and February, which brought them into the range at which
Botrytis
> > is capable of active growth and meant that precipitation fell either as
> > rain or snow that melted with the repeated thawing periods to provide
the
> > ample moisture at soil level needed to sustain that growth. The damage
has
> > been both more extensive and intensive than I have ever experienced
before
> > (and Botrytis here is the bane of the iris grower in the same sense that
> > borers and soft rot are where they prevail). I have found damage in
nearly
> > 30 clumps so far, including medians, which have not usually been
affected
> > in the past, and the spread of the rot within the infected clumps is
much
> > worse than usual since the fungus has been active for such a long time
> > (usually Botrytis is only active for a couple of weeks during the "big
> > thaw" at the end of winter). I was aware that I had an active Botrytis
> > problem earlier in the winter, and sprayed affected clumps that I could
> > reach with fungicide, but that does not seem to have been completely
> > effective in suppressing the futher growth of the fungus where it was
> > applied.
> >
> > The good news is that the dwarf bulbous irises (reticulata, danfordiae,
and
> > hybrid cultivars) sprang into bloom over the weekend, nearly a week
earlier
> > than they ever have before, so the iris parade is under weigh, even in
the
> > Zone 4/5 borderlands (admittedly after the equivalent of a Zone 7
winter)
> > at an elevation of 4800 feet!
> >
> > Jeff Walters in northern Utah  (USDA Zone 4/5, Sunset Zone 2)
> > jcwalters@bridgernet.com
> > Where we are currently experiencing the attenuated effects of the storm
> > Dennis Bishop and Mike Sutton have already mentioned
> >
> >
> >
> > .
> >
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