hort.net Seasonal photo, (c) 2006 Christopher P. Lindsey, All Rights Reserved: do not copy
articles | gallery of plants | blog | tech blog | plant profiles | patents | mailing lists | top stories | links | shorturl service | tom clothier's archive0
 Navigation
Articles
Gallery of Plants
Blog
Tech Blog
Plant Profiles
Patents
Mailing Lists
    FAQ
    Netiquette
    Search ALL lists
    Search help
    Subscription info
Top Stories
Links
sHORTurl service
Tom Clothier's Archive
 Top Stories
Disease could hit Britain's trees hard

Ten of the best snowdrop cultivars

Plant protein database helps identify plant gene functions

Dendroclimatologists record history through trees

Potato beetle could be thwarted through gene manipulation

Hawaii expands coffee farm quarantine

Study explains flower petal loss

Unauthorized use of a plant doesn't invalidate it's patent

RSS story archive

Re: 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

---------------------------------------------------------------------
To sign-off this list, send email to majordomo@hort.net with the
message text UNSUBSCRIBE GARDENCHAT



Other Mailing lists | Author Index | Date Index | Subject Index | Thread Index



 © 1995-2015 Mallorn Computing, Inc.All Rights Reserved.
Our Privacy Statement