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Subject: Re: Neem Oil
From: "Penny Morgan" <PMORGAN2@nc.rr.com>
Organization: Road Runner - NC
Date: Thu, 28 Jun 01 15:12:51
Message-ID: <MOD$010628.17269@rec.gardens.ecosystems>
References: <MOD$010627.24612@rec.gardens.ecosystems>



I'm also organic and use only a minimal amount of biological pesticide if
there is an infestation that has to be taken care of. According to my
garden problem solving book, it says to use Bt to kill the caterpillars. It
makes sense since Bacillus thuringiensis (Bt) is a biological bacteria
(powder or concentrate) that targets just chewing larvae or caterpillars.
There is obviously the risk of hurting other beneficial caterpillars, but
sometimes a sacrifice must be made. I have used the powder in the past
(haven't had to use it for the past 2 years) and it is sold in a paper bag
with the name Dipel Dust. Look on the list of active ingredients for Bt. I
have seen Neem listed also as a biological insecticide. I've never used it
though. It says it is a botanical insecticide and is also used for fungal
diseases. It also says it may irritate your skin but causes no
environmental concerns. According to another book I have, it says Neem is
derived from a common plant grown in India (Azadirachta indica) and is a
natural insecticide. It arrests the development of various insect pests.
It is sold under various names, including Neemix and BioNeem. Personally, I
would use the Dipel Dust or concentrate because it targets just the
caterpillars. My book describes it as sold as Bt, Dipel, Thuricide, or
BioWorm spray. It controls cabbage worms and loopers, hornworms, and other
damaging caterpillars. One of the most widely used and safest insecticides,
it is available at most garden centers. Good Luck.

Penny
Zone 7 - North Carolina
Jaykhill wrote in message
news:MOD$010627.24612@rec.gardens.ecosystems...
>
> Today I saw a product made by a company called Green Light. It says that the
> stuff is organic, botanically derived, and may be used against various insects,
> mildews, fungi.
>
> Here in Northern Virginia one of my favorite trees is being set upon by tent
> caterpillars and I thought I would try it against them, but only if it is a
> truly organic product.
>
> Any advice?
>
> John Cahill, Mt. Vernon, VA
>
>