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Re: Question for Dr. Grewal

  • Subject: Re: Question for Dr. Grewal
  • From: Parwinder Grewal <grewal.4@osu.edu>
  • Date: Tue, 08 Jan 2002 11:13:02 -0500

Hi Bill,

I know that most effective nematicides are no more available to control 
foliar nematodes and there are many restrictions the use of other 
chemicals.  In our research, we have discovered that ZeroTol, which is 
currently used as a general sterilant/fungicide, is an effective nematicide 
against foliar nematodes.  This chemical can be applied by home 
owners.  Our findings on ZeroTol and other chemicals to control/suppress 
foliar nematodes were published in the Spring issue of Hosta Journal in 
2001.  There are also other useful tips and preventive measures described 
in that article.

Yes, foliar nematodes can eventually kill hosta plants if they are ignored 
for long.  Overtime nematode populations build up on plants and in the soil 
around plants.

Parwinder Grewal
Assistant Professor
Department of Entomology
The Ohio State University
1680 Madison Ave
Wooster, Ohio 44691, USA
Phone (330) 263-3963
Fax (330) 263-3686

At 11:31 AM 01/08/2002 -0500, you wrote:
>Hi Dr. Grewal,
>           A question that is commonly asked on the lists is what can the
>average gardener who does not have access to restricted chemicals like
>Nemacur do about foliar nematode infestation. Because of changes in the
>pesticide laws, many of us find ourselves with these pests running rampant
>and we are not permitted to use the chemicals that best control them. What
>would you say is the most effective treatment we could use?
>           Another somewhat related question is ------What would you say the
>long-term effects on hosta are of untreated or poorly treated foliar
>nematode infestations? Can they kill plants eventually?
>..........Bill Meyer

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