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RE: Battling fungus gnats


Yep the mosquito dunk stuff I am watering with is BT, but it might be
too old. Or not strong enough. I was planning on getting newer BT anyway
and I have a Gardens Alive catalog at home. I'll start stirring up the
soil too.

Cyndi


-----Original Message-----
From: owner-gardenchat@hort.net [mailto:owner-gardenchat@hort.net] On
Behalf Of Pam Evans
Sent: Monday, March 24, 2008 1:31 PM
To: gardenchat@hort.net
Subject: Re: [CHAT] Battling fungus gnats

That Knock Off Gnat stuff from Gardens Alive works great, I believe it
does
have Bt in it.

On 3/24/08, james singer <islandjim1@verizon.net> wrote:
>
> Good advice. I'd forgotten that, David.
>
> On Mar 24, 2008, at 12:54 PM, David Franzman wrote:
>
> > Cyndy, here's two things you can do. Try to find Bt at your local
> > nursery. You make a solution of that and pour it into the soil. It's
> > great stuff and natural. Second disrupt the soil with your fingers
to
> > about a half an inch down. I originally Marge Talt told us about
that a
> > decade ago or so. It really works. It messes up their reproduction.
Use
> > your fingers like a hoe through the soil.
> >
> >
> > DF
> >
> >
> >
> > ----- Original Message ----
> > From: "Johnson, Cyndi D Civ USAF AFMC 95 CG/SCSRT"
> > <cyndi.johnson@edwards.af.mil>
> > To: gardenchat@hort.net
> > Sent: Monday, March 24, 2008 9:05:52 AM
> > Subject: [CHAT] Battling fungus gnats
> >
> > My office plants are infested with fungus gnats.  I got rid of the
> > spider mites, but someone imported the gnats and they've spread to
my
> > office.  I can report that dosing the soil with hydrogen peroxide
does
> > not work. Neither does houseplant insecticide (I think its active
> > ingredient is neem). Watering them sparingly from the bottom to dry
out
> > the soil on top - to the point where they look wilted half the day -
> > has
> > also not worked. I've been using water from a jug in which I dropped
> > one
> > of those mosquito dunks (supposed to be bt israelensis, effective
> > against gnats) but that hasn't put a dent in them yet. However I've
had
> > those dunks around for literally years so maybe they are too old.
I've
> > bought a newer type called Mosquito Bits, and some sticky traps. I
> > looked for Gnatrol, but I can only get it mail-order and supposedly
it
> > is the same ingredient as the Mosquito Bits.  I might also get some
> > sand
> > and try topping the soil with that, I heard they can't get through
the
> > sand to lay eggs. Hmmm.
> > Every time we get someone new on this floor they bring in plants
with
> > bugs.  Argh.
> >
> > Cyndi
> >
> >
---------------------------------------------------------------------
> > To sign-off this list, send email to majordomo@hort.net with the
> > message text UNSUBSCRIBE GARDENCHAT
> >
> >
---------------------------------------------------------------------
> > To sign-off this list, send email to majordomo@hort.net with the
> > message text UNSUBSCRIBE GARDENCHAT
> >
> >
> Island Jim
> Southwest Florida
> 27.1 N, 82.4 W
> Hardiness Zone 10
> Heat Zone 10
> Sunset Zone 25
> Minimum 30 F [-1 C]
> Maximum 100 F [38 C]
>
> ---------------------------------------------------------------------
> To sign-off this list, send email to majordomo@hort.net with the
> message text UNSUBSCRIBE GARDENCHAT
>
>


--
Pam Evans
Kemp TX
zone 8A

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