Hello, Mark --
The symptoms you describe sound exactly like a problem that
appeared on Marshall McIntosh trees in New York and New England soon
after that strain of Mac was introduced. On the Marshall Macs, the
problem also appeared when trees were about 5-7 yr old. No one ever
made a
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--
Kevin Iungerman, Extension Associate
Cornell University Cooperative Extension's Northeast NY Commercial
Fruit
of
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Kevin Iungerman, Extension Associate
Cornell University Cooperative Extension's Northeast NY Commercial Fruit
Program
50 West High
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Mike,
To add my two cents, we have had an on again off again problem with
Lucostoma (Cytosopora) canker on McIntosh here at the Peninsular
Research Station on both RedMax and Marshall, not yet on Pioneer. At
least 4 blocks of various ages (Redmax/M26 20 yrs, Marshall/M26 10
yrs) showed
We saw the same problem for the first time last spring in small blocks of 5th
leaf Redmax/Bud 9 and Mor-Spur/M26 after an average Montana winter. Symptoms
and conditions were very much as described in the other cases. We've thought
possibly some latent, atypical fireblight infection was the
Hello Everyone!
Our orchard has a 7 acre block of tall spindle M9 Linda and Ruby Mac that are
also showing the same symptoms outlined in earlier posts. This block will be
in its 3rd leaf and had a good crop in its 2nd leaf. Also affected, we have a 5
acre block of M9 Pioneer 4th leaf vertical
Sincere thanks for the responses to my Pioneer Mac post.
Mark Evans
_
From: apple-crop@virtualorchard.net [mailto:apple-c...@virtualorchard.net]
On Behalf Of Matt Stasiak
Sent: Friday, April 09, 2010 2:57 PM
To: apple-crop@virtualorchard.net
Subject: Re: Apple-Crop: sickness in