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Re: Foliar nematodes

The foliar nematodes do not cross the veins in hosta. The upper and lower
leaf surfaces are intact. There is a darkening of leaf tissue that stops at
the veins.  This seems to fill the area between the veins width wise but not
always length wise. I have not seen any leaf curl or dying of leaves, only
what looks like cosmetic damage.

What you are describing sounds like something other than foliar nematodes to
me. I have seen good slides presented by Kevin Walek on foliar nematodes and
none had leaf curl.

I have a great write up by Bob Solberg on this subject that was on the old
AHS robin. I am waiting his permission to resend it to hosta-open.

I am not an expert on foliar nematodes. Only a concerned Gardner.
I hope this helps.
Dan Nelson
Bridgeville DE
zone 7
-----Original Message-----
From: Michael D. Cook <mikecook@pipeline.com>
To: hosta-open@mallorn.com <hosta-open@mallorn.com>
Date: Tuesday, July 07, 1998 1:29 AM
Subject: Re: Foliar nematodes

>At 11:22 AM 7/6/98 -0400, you wrote:
>>Are any of you folks looking for foliar nematodes in your hosta patch?
>Dan, I have a Patriot that divided itself into two small plants this year,
>where formerly there was one of moderate size.  Last summer, the edges
>burned and curled, even though the plant was adequately watered and was
>located in almost constant shade.  I moved it to full sun on the advice of
>a friend, and one of the small plants put on another leaf or two, whereas
>the other, smaller, one burned out and curled up, beginning at the edges
>but progressing inward until entire leaves were consumed.  A neighbor told
>me it could be nematodes, but I don't see the characteristic 'wet' spots.
>Soembody tell me what happened.  There are supposed to be blebs on leaves
>affected by foliar nematodes, right?
>Sheila Smith
>Niles, MI  USA, Z 5/6
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