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  arisaema problems
From: "Michael Bosold" mbosold at meijergardens.org> on 2002.06.26 at 12:06:09(9011)
A
friend of mine phoned me and told me she had leaf dis-coloration on her A.
triphyllums. She said they had red spots on the underside of the leaves, I
am guessing fungus. Is there anything that can be done. She already
has had some that have fallen over and turned yellow. I told her to cut
those off and put them in her garbage to avoid contamination. Any hope for
the others, what about avoidance in the future? Any help
appreciated...
Mike

Michael Bosold

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From: Susan Cooper coops at execpc.com> on 2002.06.26 at 23:19:36(9018)
Could it be from the heat or sun? Where are they planted....

At 02:04 PM 6/26/02 -0500, you wrote:
> Any help appreciated... Mike Michael Bosold Frederik
>Meijer Gardens Horticulturist ph. 616.977.7694 616.975.9545
>mbosold@meijergardens.org www.meijergardens.org

From: "George R Stilwell, Jr." grsjr at juno.com> on 2002.06.26 at 23:23:28(9020)
Mike,

It's Arisaema Rust. The infecting organism is Uromyces ari-triphylli.
There is a lengthy thread on it
in the Arisaema-L archives. The consensus is to either cut off the tops
and burn them or
burn the entire plant. There is no known cure and the alternate host is
unknown - at least to me.

Ray

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