Everybody is talking about Btk because of the gypsy moth outbreak this year. This microbial pesticide kills caterpillars but does not harm any other insects. Unfortunately, its popularity has generated a number of misconceptions about the product.
I see this all the time in the gardening world. A little bit of misunderstood true science morphs into solutions that just don’t work. Let’s have a close look at Btk and separate scientific fact from fiction.
