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Re: Broccolli problems...pests!

Square Foot Gardening List - http://www.flinet.com/~gallus/sqft.html

Cyn, 
 BT (Bacillus thuringiensis) is a microbial insecticide that is marketed as
Dipel, Thuricide and Attack. It is a virus that when ingested by the worms
kills them. It is approved for organic gardening (food crop) use in
California. It breaks down quickly and is only effective for a few days, so
you may need to properly time (look for eggs) your application, or spray more
than once to get those in the process of hatching. It takes the worms a couple
of days to die (their insides liquefy, eeech!) but they usually stop doing
damage soon after becoming infected. 

I especially like not having to go eye to eye with those big tomato worms when
I'm picking. I think I read somewhere that BT even kills mosquito larva, but I
wouldn't know what to spray it on to kill them?

Questions are good,

Christy


CynMob@aol.com wrote:
> 
> Square Foot Gardening List - http://www.flinet.com/~gallus/sqft.html
> 
> fern@ifriendly.com writes:
> 
> >  Use Bt..
> 
> Is Bt short for something?  Will the garden store know what Bt is if I ask
> for Bt?
> Sorry, still a little new over in this corner...
> Cyn
> 
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