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RE: CULT: Strange Markings on TB Stem
  • Subject: RE: CULT: Strange Markings on TB Stem
  • From: STEVE KELLY <puffincc@msn.com>
  • Date: Mon, 13 Jun 2011 23:06:09 -0600


I had this on a couple of stalks this spring. I was wondering what caused it also. We do not have slugs so it was not caused by that at my place. It was also not up against anything but out in the middle of the yard. So I'm interested to hear if anyone has experienced it and the possible causes.

Steve Kelly 

To: iris-photos@yahoogroups.com
From: cordesview@speednetllc.com
Date: Mon, 13 Jun 2011 22:46:46 -0400
Subject: Re: [iris-photos] CULT: Strange Markings on TB Stem

Hey there, Barb!

I'm glad you posted that photo of the marks on your stalk.  

I just took a stalk to our Iris Show this last week, and it had the same marks on it that are in your picture.  I would venture to say that it could be a slug bite in the iris' leaves while the stalk was forming.  Or, it could have been rubbed by something abrasive while growing (like a fence, rock, dead weed stem, or a woody branch of some sort).

We've had an unusual spring here in Michigan, and to top things off, we had a pretty destructive hail storm 3 days before our show this past weekend.  (Yes, it was complete with 60 mph winds, too.)  

Anyone else have an idea what could have happened?


Adam Cordes
President - Mio Irisarians
Region 6
Zone 4 (and a half . . .J)
Like us on Facebook! ~ 'Mio Irisarians' ~

On Jun 13, 2011, at 9:17 PM, Barb Jackson wrote:


My sister and I have discovered a couple of TB iris with a pattern of
marks on the stem just under the first branch on different stalks.

There have been no bugs noticed in either area and the stem was not
staked. The top of the attached photo (with apologies for the quality)
is where the branch starts.

Any ideas welcome as to what might have caused the marks.


BJ in SW MB, Canadian Prairies, Zone 3(ish)

<damage to iris stem.JPG>

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