Re: CULT: Rot - retention/persistence in soil?

Hi, Donald,

Thanks for the response. It is the only one that I have received. Maybe 
the subject has been covered in the past and people don't want to be 
bothered answering it again or maybe I just need to have rot on a *cat* 
instead of irises to get responses...  ;-)

Bill Wells

Donald Eaves wrote:

> Bill asks:
> >My question is whether I can/should replant those "hot spots" with other
> >irises, or if the rot (bacteria?) persists in the soil there.
>
> I can't answer the question.  My first case of rot showed up in an 
> iris that
> is still in the same place.  For the first three years it nearly rotted to
> extinction and then it ceased to get rot after that.  It is still in place
> and this year I had five bloom stalks on the clump.  I've puzzled over 
> what
> happened and why it might be so.  I thought I had a true rotter in the
> plant.  One with a disposition toward rot, then it just quit happening.
> I've had rot elsewhere and near that clump, but not in that clump for two
> years.  Another example of rot occurred last year in the dry, hot heat of
> summer (100 plus) in two clumps.  Ultimately I dug those clumps, 
> cleaned off
> the rotted portions, soaked them in a Clorox solution and laid them in the
> hot garage to dry.  Several fans continued to rot even after the 
> treatment.
> But some did not.  I planted those that didn't rot back into the exact 
> spot.
> They have done well since and have made good sized clumps and so far there
> is no evidence of rot.  Neither of these cases quite fit the usual 
> scenario
> of rot I've experienced.  Especially the one that occurred in the heat
> during a long, long dry spell.  I thought the high temps would be 
> enough to
> stop any rot since normally it occurs during temps in the 80s and 
> disappears
> when it gets too hot.  Also, I don't give supplemental water.  Now I don't
> really know.  I personally suspect the rot organisms are already in 
> the soil
> or the plant somehow and just wait 'til conditions are right to show up.
> I'm now doubtful of just what those conditions may be after the 
> experience.
> No question about it being rot, though.  That smell is distinctly
> identifiable.
>
> Donald Eaves
> donald@eastland.net
> Texas Zone 7b, USA
>
>
>
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