Bug Scout 1980
Consider Biological Control
(Tom Turpin, Entomologist, Purdue University)
I don't care if your contract is for corn and soybeans, you're going to help me control cabbage worms!
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July 5, 1980

Cabbage worms can cause severe damage to cabbage, cauliflower, or broccoli in the home garden.

Many chemical insecticides can be used for control of cabbage worms.  Control can also be achieved with Bacillus thuringiensis, a species of bacteria that attacks and kills larvae of moths or butterflies.

Bacillus thuringiensis is available under the trade names Bistrol, Dipel, and Thricide.  The use of a bio-control agent like Bacillus thuringiensis has advantages for the home gardener.  There is no harvest restriction for the treated plants.  It is not toxic to honeybees and is safe to handle.

If the prospect of a few uninvited cabbage worms on the dinner plate isn't appetizing to you, Bacillus thuringiensis may be helpful.  

by Tom Turpin, Entomologist, Purdue University

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