Re: Iris albicans

 

I don't have a photo, but I can describe the appearance.  It really depends on the severity of the infection.  The leaves have light streaks where the chlorophyll is missing -- that seems to be what weakens the plant.  Usually, the streaks are so slender than from even a few feet away the fans just look lighter than usual.  In a severe case, the leaves may become a yellow-green and even stunted. 
 
An outbreak appears to be closely related to growing conditions, mostly affecting the plants under greatest stress.  Before hybridizing took over my gardens, I had between 2,000 and 2,500 named varieties of many different types.  The medians and TBs were most susceptible, until I moved them to beds that could be covered by shadecloth. 
 
Sharon McAllister
 
 
In a message dated 4/15/2011 9:03:15 AM Mountain Daylight Time, eleanore@mymts.net writes:
Gosh, I can't even find a photo of what a virused iris looks like.  Does anyone have one?  Thanks!
 
El

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