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nafex - Re: [NAFEX] Peach Disease or Insects?

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  • From: Don Yellman <don.yellman@webformation.com>
  • To: North American Fruit Explorers <nafex@lists.ibiblio.org>
  • Subject: Re: [NAFEX] Peach Disease or Insects?
  • Date: Fri, 28 Apr 2006 13:00:59 -0400

Shirley Murphy wrote:
Dennis & Don,
Thanks to both of you for your suggestions.
The leaves on my trees are very healthy with no signs of damage. The fruits, however, have punctures and in some cases "bites." The gummy substance ( which I now agree was sap) has now disappeared. Looking at my apples and pears, some of the same punctures are evident. Based on this and my location (SW TN near Shiloh), I suspect the moth is probably the culprit. How did anything ever survive before the discovery of chemical sprays? Does anyone know any varieties that are less susceptible?
Shirley Murphy


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Shirley:

Any peaches, apples, or pears that show insect punctures, bites, scars, or
pectin blobs should be removed now as part of your thinning process. These
damaged fruits have no future. If they are all damaged, you might want to
think about timely control measures for next season. And if there are any
undamaged fruits left, and you don't want to spray chemicals, you really
ought to think about bagging.

The oriental fruit moth is a non-native species, believed to have been
introduced to this country on nursery stock from Japan sometime after 1913.
Their numbers and the intensity of their damage vary from place to place and
from year to year, but they are always present in many areas.

I suppose before 1913 it was relatively easy to grow peaches, but not any
more. Chemical sprays are a response to this insect and quite a number of
others, although I think OFM is the worst.

Don Yellman, Great Falls, VA



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