Re: CULT: Borer Resistance


From: "Mark, Maureen" <MARKM@tc.gc.ca>

I probably grow more medians than TBs and yes they are less prone to
borer.  It is almost certainly related to the size of the rhizome.
Small-rhizomed SDBs are rarely attacked even if there is huge clump that
the borer could feast on.  On the other hand, large rhizomes, such as
the TB-sized rhizome that we received last year of YAT ROCK did get
devastated by borer.

Maureen Mark
m*@ottawa.com
Ottawa, Canada (zone 4)


> ----------
> From: 	dkramb@tso.cin.ix.net[SMTP:dkramb@tso.cin.ix.net]
> Reply To: 	iris-talk@onelist.com
> Sent: 	Thursday, August 06, 1998 6:17 PM
> To: 	iris-talk@onelist.com
> Subject: 	[iris-talk] Re: CULT: Borer Resistance
> 
> From: dkramb@tso.cin.ix.net (Dennis Kramb)
> 
> >curious to know if anyone out there in Borer Land has noticed that
> >Spinning Wheel or aphylla hybrids are less affected by borer damage
> 
> A woman in my local iris club says that the smaller irises (SDBs,
> MDBs) in
> her garden are less prone to attack than the TB's.  As I've never had
> borers I can not confirm or deny this.
> 
> 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: Arilbreds, Rebloomers, and Native Ohio Species
> Irises
> 
> 
> 
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