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Re: CULT--botrytis?

At 05:53 PM 98-02-27 -0700, you wrote:
>In doing some spring cleanup, I noticed something I hadn't before
>dealt with on many of my TBs in one bed.  Several clumps  had
>one or two little fans with what looked like black dust on the rhizome
>and in many cases going up to virtually cover the few inches of
>newly growing fan.  These fans were brittle and broke off easily.
>The closest diagnosis I could find in The World of Irises is botrytis,
>and it wasn't very encouraging about it.  It looks as if the problem
>of finding space may be somewhat reduced this year here.
>All alternate diagnoses or coping advice would be appreciated.
>		--Jim
I think the very best thing you can do is to solarize that soil this summer.
We had that problem a number of years ago and solarizing cleaned it right out.

John Montgomery
Vernon  BC  Zone 5

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