permaculture

["sals3" <sals3@cox.net>]

Neem is said to throw off their breeding.  need to spray a few times as eggs 
hatch.  seems to work for me.  white fly likes hot and dry change that if 
you can.
----- Original Message ----- 
From: "Stephen Sherman" <spsherm@msn.com>
To: "permaculture" <permaculture@lists.ibiblio.org>
Sent: Friday, March 26, 2010 12:12 PM
Subject: [permaculture] White flies in the greenhouse


> After reading the aphid in the GH thread, I thought I would ask about a
> similar problem I am having, white flies.
>
> White flies tend to be a persistent problem in my GH, worse in the
> warmer months, almost disappearing in winter but they always reappear
> the next spring. I've tried various things: yellow sticky cards, soap
> sprays, etc but nothing seems that effective for any length of time.
> Without continuous battle the white flies quickly rebuild their
> population levels.
>
> Any thoughts about control methods or predators that would be effective
> in a year round cool temp GH?
>
> TIA
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