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nafex - Re: [NAFEX] Another Plum Curculio question...

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  • From: Lee Reich <garden@leereich.com>
  • To: North American Fruit Explorers <nafex@lists.ibiblio.org>
  • Subject: Re: [NAFEX] Another Plum Curculio question...
  • Date: Thu, 5 Jun 2008 06:23:55 -0400

Plum curculio doesn't reproduce in apple because the growing fruit crushes the eggs or larvae. But fruit with eggs laid in them are more likely to drop when young; sometimes they all do.

Lee Reich, PhD

Books by Lee Reich:
The Pruning Book
Weedless Gardening
Uncommon Fruits for Every Garden
A Northeast Gardener's Year


On Jun 4, 2008, at 11:57 PM, Steve wrote:

Speaking of Plum Curculio...

Do Plum Curculios actually manage to reproduce in apples? I know they 
sure do in plums and other stone fruit but I've never found a "worm" in 
an apple even when there is a big curculio scar on the fruit. I do 
usually spray with Imidan, spraying the apples when I do the 2nd spray 
on my plums. Then another spray later. If I didn't spray, would I be 
finding larva in my apples or is the damage only cosmetic? (I'm guessing 
the spray makes no difference in the cases where a curculio manages to 
survive the spray long enough to lay some eggs.)

Steve in the Adirondacks
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