bacillus thuringiensis shelf life

il128 at il128 at
Wed Jun 24 23:55:03 EST 1998

To make a long story short.  The Bacillus will have a very long shelf life as
long as you keep it dry.  Once, you put it to work it should take about two
weeks before you notice any effect on the pest. Please, just spray the
Bacillus solution on your plants no need to inject it or anything.  Just make
sure the plants are coated. Paul

In article <6mrket$15c$1 at>,
  dan_jones at (Dan Jones) wrote:
> We've been plagued with squash vine borers both this year and last, and I've
> been trying to exterminate them using "Safer Caterpillar Killer", a product
> containing bacillus thuringiensis (B.t.) var. kurstaki.  I've tried both
> injecting it into the stems and spraying it onto the plants, and neither has
> been successful.
> What I'm wondering about is, since this is a biological agent, how long is
> it effective?  The package has no expiration date on it.  One mixes it with
> water before use.  How long is it effective once mixed with water?
> Please reply by email as well.
> Thanks,
> Dan Jones

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