Re: CULT: plague/rot
- Subject: Re: CULT: plague/rot
- From: L* M*
- Date: Wed, 07 Mar 2001 21:38:36 -0500
John Reeds in California wrote:
<....So are early signs of some horrible infection. Only about a dozen
leaves so
far on various iris within a 6-ft. radius. It's not leaf spot. It hits
on
the top 1/2 of fans, a soft rotting blotch that turns the leaf to
discolored
mush as it spreads. Anything with any sign of it gets tossed; if
scissors
are used (well below the infected area) they are scrubbed before
touching
anything else. What is it and how to prevent? >
Ah my old friend soft rot... treatment: perfect drainage, air
circulation, dry air, some form of chlorine bleach (Clorox, Comet), sun,
low humidity, less rain.....switch to cultivars hybridized east of the
Mississippi & south of Kentucky <g> Build a big roof/tent over your
irises to keep off the rain? Probably a good idea to dip your scissors
in dilute Clorox between snips.
Linda Mann east Tennessee USA zone 7/8
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