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----- Original Message -----
From:
Alistair Hay
To: aroid-l@gizmoworks.com
Sent: Wednesday, April 25, 2007 2:09
PM
Subject: Re: [Aroid-l] Spider Mites
Predatiory mites known as 'persimilis' are extremely effective. I
had the worst outbreak of spider mites I have ever seen in my shadehouse,
nursery stock and garden last (Aust) summer and they cleared up the lot in a
few weeks. I still haven't seen a single spider mite after 5 months.
In terms of safety, effort, result and cost they are far more
effective than any spray!
From: "Michael Marcotrigiano"
Reply-To: Discussion
of aroids To: "Aroid-L"
Subject: Re: [Aroid-l]
Spider MitesDate: Wed, 25 Apr 2007 16:00:53
-0400>They like low humidity. That is one of the main reasons
they build up.>There are chemical miticides if he is not the
"organic"
type.>>_______________________________>>Michael
Marcotrigiano, Ph.D>Director of the Botanic Garden and Professor of
Biological Sciences>Smith College, Lyman Conservatory, College
Lane>Northampton, MA 01063>email:
mmarcotr@smith.edu>voice: 413-585-2741; fax:
413-585-2744>www.smith.edu/garden>----------------------------------------------------------------------------------->Trees
are poems that earth writes upon the sky,>We fell them down and turn
them into paper,>That we may record our emptiness.>~ Kahlil
Gibran>> >>> "D. Christopher Rogers"
4/25/2007 3:08 PM>
>>>>Howdy,>>Anyone have a good method for
dealing with spider mites? The keep>popping up>in my
friendâ??s greenhouse. They really seem to like
Amorphophallus,>Xanthosoma, Alocasia, and Colocasia, ignoring
everything else. He has>been>using neem oil, but it seems to
kill off leaves. He went to a weaker>concentration, which knocks down
the mites immediately and saves the>leaves,>but even after
spraying twice a day for two weeks, they just pop
right>back>up. They appear to be the two-spotted spider
mite.>>Thank you in
advance,>Christopher>>D. Christopher
Rogers>Invertebrate
Ecologist/Taxonomist>((,///////////=====<>>EcoAnalysts,
Inc.>(530) 406-1178>166 Buckeye Street>Woodland CA
95695 USA>>? Invertebrate Taxonomy>? Invertebrate
Ecological Studies>? Bioassessment and Study Design>?
Endangered Invertebrate Species>? Zooplankton>? Periphyton/
Phytoplankton>>Moscow, ID ? Bozeman, MT ? Woodland, CA ?
Neosho, MO ? Selinsgrove, PA>www.ecoanalysts.com
>>_______________________________________________>Aroid-l
mailing
list>Aroid-l@gizmoworks.com>http://www.gizmoworks.com/mailman/listinfo/aroid-l
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