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Re: Little Help - response w/PHOTO

  • Subject: Re: Little Help - response w/PHOTO
  • From: Autmirislvr@aol.com
  • Date: Mon, 22 Jun 2009 07:30:58 -0400

<<'Mosaic Virus>>

Same here. This is what I was told something like 20 years ago. One
spring I had several different cultivars that exhibited this 'trait.'
Most were blue/purple;however, there was one rich velvety gold one that
had burgandy marks. It was famous for these, but they more evident the
year the blues & purples had it.

Can't remember the name of the gold one, but it was quite popular at the

Betty W.

-----Original Message-----
From: Margie Valenzuela <IrisLady@comcast.net>
To: iris-photos@yahoogroups.com
Sent: Mon, Jun 22, 2009 1:50 am
Subject: Re: [iris-photos] Little Help - response w/PHOTO

Hi Bob,


About 6 years ago, I had a seedling do the exact same thing. Someone
back then - told me it was a 'Mosaic Virus of sorts' which results in
almost teardrop-like markings. I was told that it's not common, and
usually occurs only on white, Lavender, blue, and purple iris flowers.
Below is a photo of my virus stricken seedling.




The virus can 1.) originate in the seed; 2.) can be picked it up in the
soil; and also 3.) transmitted to the plant by aphids. (.....and it's
hard to be certain exactly how it occurs for each infected plant)


I was given instructions to dig up and soak the rhizomes in bleach water20
for a good half hour,...... then replant it (when dry) in a different
location all together, and eventually the virus would go away. The virus
DID eventually go away, but it took about 2 years to do so.   


I found this short listing online (see below) of Mosaic Viruses (at this



"Iris, Bulbous and Rhizomatous -- Viruses

Cause: Iris mild mosaic virus (IMMV) and Iris severe mosaic virus (ISMV)
are problems for bulbous iris; Iris fulva mosaic virus (IFMV) is a
problem for rhizomatous irises. All are in the potyvirus group.
Transmission, by aphids, is nonpersistent. Bean yellow mosaic virus
(BYMV) and Narcissus latent virus (NLV) have also been found. Less
commonly found are Cucumber mosaic virus, Broad bean wilt virus, and
Tobacco ringspot virus. "



I'm sure there are other scientific reports/information that can be
found online as well. I hope this info helped.  And....... on another
note:.....................HAPPY FATHER'S DAY!


~ Margie Valenzuela
Oro Valley, AZ.

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