CULT: Bt and Iris Borers
- Subject: CULT: Bt and Iris Borers
- From: j*@aol.com
- Date: Wed, 8 Aug 2001 19:43:17 EDT
A nursery owner who knows we grow irises showed me a post card he had
received with the same ad that appears in the AIS Journal for the borer
spray. I told him that from what I hear, it is probably not effective. He
asked me about Bt - bacillus thuringensis (not sure of the spelling) for iris
borers. I have never heard of its being used for this pest. I checked the
archives and found nothing there. Has anyone ever used Bt for this? I am
sure that if it worked it would be common knowledge among irisarians, but I
told him I would ask the experts.
Judy Hunt in Louisville, KY, Zone 6, who is glad to get the latest report on
Larry Harder. Thanks, Mary.
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