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CULT: Diseased TB?

  • Subject: CULT: Diseased TB?
  • From: "Barbara-Jean (BJ) Jackson" <jacksonb@brandonu.ca>
  • Date: Mon, 25 Jun 2001 15:36:04 -0000

Good Morning Iris folk,

I have been lurking for many months now but find myself in need of 
advice.  I have done a search of the yahoo iris-talk archives but 
cannot find anything to describe what one of my TBs has experienced 
this year.

The affected iris is TB Helen Boehm (sp?).  This is its third year in 
my garden and in the past two seasons it has performed well and 
increased.  Last year it was beautiful.  This year, however, it has 
not done well.  It grew normally in early spring and then just 
stopped.  The foliage began to turn a sick looking orangey/yellowish 
color starting at the top and working its way down the foliage and no 
bloom stalks formed.  In order to find out what was happening, I dug 
it up and examined the roots and rhizome.  Everything looked good, the 
rhizome was nice and plump with no soft spots in evidence.  The roots 
appear to be healthy, too.  Thinking it might be something in the soil 
I replanted it in another area where no iris has grown for a number of 
years.  The roots have anchored it quickly in its new home but the 
leaf die back continues.  Last night I cut the foliage back to the 
green which left very little of the green foliage left on the plant.

Would anyone have any advice as to what the problem is with this iris? 
None of the other iris in the same area were affected, just this 
specific one. Any assistance as to cause or cure would be gratefully 

Thank you.

Barbara Jackson
"Sunny" Manitoba
Canadian Prairies
Zone 3ish


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