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RE: disinfecting beardless iris

 

Ken,

 Iâve used bleach for all kinds of beardless irises, with a plain water rinse, and never had any adverse effects. I have also used Physan (used to be Triple Action 20), which says itâs good against pretty much all pathogens, and breaks down within 48 hours. I have wondered if thereâs any advantage; possibly the Physan is safer to dispose of than the bleach. Does anyone know the ins and outs of this?

ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ Ken Walkup

 

From: iris-species@yahoogroups.com [mailto:iris-species@yahoogroups.com] On Behalf Of Kenneth Walker
Sent: Tuesday, August 23, 2011 7:22 PM
To: iris-species@yahoogroups.com
Subject: Re: [iris-species] disinfecting beardless iris

 

 

If I share iris through the mail (for example the Aril Society sale), I want to insure that they are free of pests before I get them inspected. The dilute bleach approach seems common for bearded and arilbred iris;  I was wondering how applicable it is across the genus.

Ken

On 8/23/2011 2:03 PM, C*@aol.com wrote:

 

Why are you needing to do it?

 

AMW


 

 

-----Original Message-----
From: Kenneth Walker k*@astound.net
To: iris-species i*@yahoogroups.com
Sent: Tue, Aug 23, 2011 4:46 pm
Subject: [iris-species] disinfecting beardless iris

 

I'm looking for experience and advice disinfecting beardless iris.
Bearded iris rhizomes are quite tolerant of a 10% bleach solution; a
bath of 10 or 15 minutes followed by a thorough rinse does a nice job of
killing any pathogens on the surface. I've done this a few times with
beardless iris, but am wondering how safe this is in general. Are there
types of iris, perhaps ones with sensitive roots, where this will
seriously damage the plants.

Ken Walker
Concord

 

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