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nafex - [NAFEX] Help identifying apple disease

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  • From: "Mark & Helen Angermayer" <hangermayer@isp.com>
  • To: "North American Fruit Explorers" <nafex@lists.ibiblio.org>
  • Subject: [NAFEX] Help identifying apple disease
  • Date: Sat, 23 Jun 2007 22:59:46 -0500

 
One of my neighbors has a couple of diseased apple trees that have severe cankers all over.  They've had these cankers for many years, but the trees continue to survive.  Both trees produce fruit.  I have never seen the typical fireblight symptoms of black shepherd crook twigs, but there are small mummified black fruits left over from last season on at least one of the trees.  Additionally, one of the trees shows symptoms of CAR on the foliage, but the other shows no CAR.  As far as I can tell there doesn't seem to be any major scab going on.  Except for the CAR on the one tree, the leaves look fairly clean.  Any ideas what may be producing these ugly cankers?  Oh, by the way, there is a third apple tree right in the middle of the diseased ones that doesn't have any cankers.
 
Here are some photos:
 
 
 
 
Thanks,
Mark
Zone 5 Kansas



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