Re: Nematode talk
- Subject: Re: Nematode talk
- From: Parwinder Grewal <firstname.lastname@example.org>
- Date: Wed, 07 Nov 2001 14:15:16 -0500
Thanks for the feedback on my presentation and your intention to support my
research on the foliar nematodes. I shall greatly appreciate your
I am sorry about the lighting system in the room. Yes, I can mail a copy
of my Hosta Journal article to you if I have your address. I shall also
include the text of my conclusion slides.
At 07:14 PM 11/02/2001 -0500, you wrote:
>Dr Grewald, of The Ohio University spoke at our Minnesota Hosta Society
>meeting Oct 27th. He has worked on Mushroom nematodes with Clarence
>(or C.H. to us) Falstad.
>Where Dr. Grewal's work has been published:
>Hosta Journal 32, (1) 64-67 2001
>Hosta Leaves 67, 3-7 Spring 2001
>Pest Management Science 2002
>we can email him through this site.
>Being in the dark it was very hard to take notes, but here are some notes
>Kim Larsen, Cindy johnson and I jotted down.
>Plantagina Hostas don't always show symptoms of nematodes.
>Nematodes are believed to enter hostas under the leaves.
>Bleach gardening tools between each plant.
>prevention better than the cure
>buy nematode free plants - in fall you can tell, or get them tested
>minimize overhead sprinkling
>cut and destroy infected leaves
>isolate infected plants
>fall cleanup (last Sunday a good day) collect and destroy leaves. won't
>spread them on pruners because they are dormant now because of the cold
>temps we've had
>they die if exposed to UV light
>TC plants probably safe
>There are a few ways to control them:
>Hot water (51c/61c/124c- 10 minutes)hotwater drench in pot = 200 deg
>Kim's comment:And another crucial finding after all the testing
>of chemicals: hot water and insecticidal soap are almost as effective as
>the chemicals and obviously less harmful to the environment. Lisa & I had
>dinner with him and further discussion lead to his comment that if the 'heat
>treatment' I applied in my unscientific study this summer (Paula, you know
>what I mean) shows no symptoms next year, I'm probably nematode free in
>those plants! Thus the anecdotal 'asphalt driveway treatment' I got from
>Tom Michelletti must have merit. Another breakthrough to those of use
>loathe to use chemicals.
>Under chemicals you have your choice:
>Some of the things he has worked with are:
>Diazinon 4E (soon to be off the market)
>Zertol is still available to the home owner and seems to be one of the
>most effective of what he tested.
>We did suggest Nemacur and Bleach to be another couple to try.
>He did say Nemacur will not be on the market long because of it's toxicity.
>Nematodes This is his web site and his email is on the site.
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