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CULT: Borer Resistant Irises

Fred Kerr asked:

<<For my own information, are some iris varieties more resistant to borers 
than others? >>

Apparently so.

In an article in the April 2000 issue of the AIS Bulletin Dr. Spoon of 
Northern Virginia discusses this issue, among others. See page 95. 

There appears to be a range of borer resistance among bearded irises with 
lower resistence being shown in introductions from borer-free regions or 
gardens where the hybridizer chemically eliminates all borers. Borer 
resistence, or the lack of it, also appears to be transmitted genetically to 

Anner, also in Virginia


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