Re: arisaema rust/mayapple rust/cedar-apple rust??

Cindy, I just plain don't know...been meaning to post to Trillium
List, but haven't had time - will do this as I am curious.  Have not
seen this on my Mayapples, but it appears to be a recognized fungus
disease of that genus.  Will go post and see what kind of response I
get - there are some botanists on that list who seem to know their
onions.

Cedar-apple rust is not deadly, as far as I know, mostly disfiguring,
although, of course, any disease weakens a plant to a certain degree.
 Here's a good page with info. on Cedar-apple rust:
http://www.ipm.iastate.edu/ipm/hortnews/1994/7-29-1994/car.html

Marge Talt, zone 7 Maryland
mtalt@clark.net
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----------
> From: Cindy Johnson <Cidjohnson@AOL.COM>
> Date: Thursday, May 11, 2000 9:06 AM
>
> In a message dated 5/11/00 2:07:04 AM Central Daylight Time,
mtalt@CLARK.NET
> writes:
>
> << Sorry to be the bearer of bad tidings, but this is one disease
that
>  needs quick action. >>
> Hi Marge, earlier you said that the rust on the Mayapples was not
the same
> kind as on the Jacks.  Is the mayapple one as deadly?  Also, how
does
> cedar-apple rust compare? (I think that's what I was told I have on
my apple
> tree)  I've been told it just makes the leaves and apples
ugly...but it's not
> going to kill the tree.
>
> Thanks,
> Cindy
> White Bear Lake, MN
> zone 4a
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