Cult: BORER


Are all irises susceptible to borer?  Or just bearded?  Where did borer
come from?  Is it a North American native or a Euro import?  When applying
Cygon, should I administer it to my native beardless too?

Does anyone know if borers prefer arilbreds or do they find them
distasteful?  Or aren't they picky eaters?

So many questions...

Oh, one other good one...is there a natural borer predator?  Is there a
paticular plant that I could grow to help attract borer predators?

Dennis Kramb; dkramb@tso.cin.ix.net
Cincinnati, Ohio USA; USDA Zone 6; AIS Region 6
Member of AIS, ASI, HIPS, RIS, SIGNA, & Miami Valley Iris Society
Primary Interests: Hybridizing Arilbreds, Raising Native Ohio Species Irises




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