[nafex] Re: Rotten Grapes

Jack Wigal kr8z at citynet.net
Thu Jun 1 21:25:53 EDT 2000


Thanks Chris,   I found the spray sced. you mentioned. If I can find the
ingredients, I'll give it a try. Already have the Captan so will try it
alone if I can't find the others locally.
Jack

----- Original Message -----
From: Christopher Mauchline <mauch1 at aol.com>
To: <nafex at egroups.com>
Sent: Wednesday, May 31, 2000 9:51 AM
Subject: [nafex] Re: Rotten Grapes


> Actually in my experience its more likely to be black rot on
> Concord.  BR on Concord initially looks brownish red (often a cirular
> lesion on part of the grape berry) like they might be ripening.  The
> only part that doesn't match is that you say they rot at the end.  BR
> usually makes black shriveled mummies of the grapes (like raisins,
> but hard).  According to the Penn State's Small Scale Fruit
> Production site:
> http://ssfruit.cas.psu.edu/chapter6/chapter6g.htm
>
> Concord has low susceptibility to Downy Mildew and Bunch Rot and is
> very susceptible to Black Rot and Powdery Mildew (although I've never
> seen PM on Concord)
>
> There's a spray schedule at:
> http://everest.ento.vt.edu/Fruitfiles/grape-fruit-ipm.html
> with listed chemicals effective for BR (click on the Commercial link)
>
> Chris Mauchline
> SE PA, zone 6
>
> --- In nafex at egroups.com, "Lon J. Rombough" <lonrom at h...> wrote:
> > Sounds rather like downy mildew.  What other (if any) symptoms do
> you see on
> > the vine or fruit?  Fungal diseases usually show something more
> than what
> > you described.
> > -Lon Rombough
> > Grapes, unusual fruits, writing, more, at
> http://www.hevanet.com/lonrom
> >
> > ----------
> > >From: "Jack Wigal" <kr8z at c...>
> > >To: <nafex at egroups.com>
> > >Subject: [nafex] Rotten Grapes
> > >Date: Tue, May 30, 2000, 7:35 PM
> > >
> >
> > >Fellow Nafexers,   I have several concord grapes which are loaded
> this year.
> > >Most years they turn brown (look like they are getting ripe) and
> rot in the
> > >summer before ripening. Can someone familiar with this problem
> suggest a
> > >good spray to use?
> > >
> > >Jack Wigal
> > >Washington, WV
> > >Zone 6
> > >
> > >
> > >
> > >-------------------------------------------------------------------
> -----
> > >Hot off the press- summer's here!
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> > >
> > >
> > >
>
>
> ------------------------------------------------------------------------
> Hot off the press- summer's here!
> School's out and it's sizzling hot. Whether you're planning a
> graduation party, a summer brunch, or simple birthday party,
> shop GreatEntertaining.com before your next celebration.
> http://click.egroups.com/1/4473/0/_/423498/_/959781145/
> ------------------------------------------------------------------------
>
>


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