Re: CULT: rot

From: "John Bruce" <jbruce@infinet.com>


>Has anybody been brave enough to experiment with
>this to see how much difference it makes whether rhizomes are Cloroxed
>or not?  The rot organism is supposedly ubiquitous in soil, so it's not
>like  we can get rid of it by treating the plant.


I tried this one year on two clumps of a variety that has rotted well for me.
They were planted  in the same area, and were roughly the same size.
One clump was treated by removing dirt and scraping rot.  The other clump
was also treated by removing the dirt and scraping out the rot, followed with 
a douse of Chlorox straight from the bottle. The chlorox was repeated after 
one week.

Both clumps survived.  The unbleached plant took a long time to rebound.
Many of the larger increases rotted, and the tiny ones from the tattered,
ravaged mother rhizome took a long time to mature.  The bleached plant 
went on to bloom that spring.

This is hardly a definitive test. I think the rot was caused by late spring
frost damage.  This particular cultivar will rot with no notice, at the mere 
mention of the word rot, even if it is whispered in the next county. 
It is a very vigorous grower, which probably contributes to both the rotting
and the survivability.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
John Bruce
jbruce@infinet.com
President, Miami Valley Iris Society
AIS Region 6 / SW OH Zone 5 / Sunset Zone 35
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~





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