Bt-K in particular.


On Fri, 29 Aug 2003 20:49:09 GMT, "Penny Morgan" opined:

Bt powder is an organic biological that targets just caterpillars and
chewing larvae.

Penny
Zone 7b - North Carolina
"al" wrote in message
...
I've just dusted with DERRIS powder some brussells sprouts plants
suffering a caterpillar infestation.

Are there any alternative organic methods for dealing with caterpillars ?