Re: CULT: Purple ringed rhizomes

Hi Laurie,

I'm noticing the purple rings as I clean up my iris beds for the winter.  When I strip off the old dead leaves, the coloration really shows up on the shiny white rhizome tissue that's been covered up all summer while the leaves were growing and green. I'll send you a list when the rain stops.

Janet in Denmark,  WI


  ----- Original Message ----- 
  From: laurief 
  To: iris-talk@yahoogroups.com 
  Sent: Friday, October 25, 2002 9:56 AM
  Subject: [iris-talk] CULT: Purple ringed rhizomes


  Hi All,

  I posted something about this a while back and received a private reply 
  from Roger at Superstition. In unpacking my orders and gifts this year, I 
  noticed a few rhizomes with rings of purple coloration encircling the 
  tops of the rhizomes - not PBF, as the color didn't extend up the leaves 
  at all - just purple-ringed rhizomes (PRR for abbreviation's sake - 
  thanks, Janet).  Roger suggested this phenomenon most often occurs in 
  SDBs, though it can occur in other classes as well.

  It has been suggested to me that it might be useful to add a PRR list to 
  my website iris pages along with my current PBF list as one more element 
  of cultivar identification.  So ... if any of you know of any irises you 
  are growing that exhibit PRR, please let me know.  I realize this is not 
  something you will be able to observe in the garden.  It'll only be 
  evident on dug and washed rhizomes (obviously NOT the best time of year 
  to be making this request). Anyhow, keep it in mind for future reference, 
  please.

  Thanks!

  Laurie





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