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nafex - Re: [NAFEX] Control for persimmon psylla?

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  • From: Scott Smith <scott@cs.jhu.edu>
  • To: nafex@lists.ibiblio.org
  • Subject: Re: [NAFEX] Control for persimmon psylla?
  • Date: Tue, 5 Jun 2007 22:01:02 -0400

> How bad is the damage from the psylla if you do nothing?

The years that I did not know how to control it all the leaves were extremely distorted and the trees hardly grew at all. The trees grew only a foot or two in their first three years. So it seemed like a really bad thing. Lucky, the fact that you are only getting mild damage makes me think that is the normal case - if everyone had it as bad as I had been getting it there would be a lot more fuss being made about it. I could have had it especially bad due to the fact that my trees had the psylla from the moment they were planted and were more susceptible to attack in their weak state. Last year I finally got it under control and the trees got their first year of strong growth, so it could be that I don't need to be as aggressive about it anymore. But, its hard for me to let nature takes its course after seeing my trees suffer so much. I did let it go in the later months last year after I had beaten it completely back in June, and the psylla did not get going again that year.

Scott





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