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Re: Borer resistance

On Jan 31, 2005, at 9:54 AM, thomas silvers wrote:

Has anyone else noticed any bearded irises to have
less borer damage than the average bearded iris?

I have not noticed any significant borer damage in MDBs and SDBs even in pre-Merit years when TBs were heavily hit. I grew very few IBs or MTBs during that time, so I can't comment with certainty on them. I would assume, however, that the smaller the rhizomes, the less appealing to borers.


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