[nafex] chlorosis

dwalsh/wchase wchase at interchange.ubc.ca
Mon Jul 31 00:10:40 EDT 2000


In the PNW where we have acid soil, yellowing of the oldest leaves of a
branch/whip may be just senescence (old age), but it is often an indication of
magnesium deficiency.

Derry

Derry Walsh & Bill Chase  email:wchase at interchange.ubc.ca
Aldergrove,  B. C.,  Canada
phone/fax (604) 856-9316
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Home web page  http://www.interchange.ubc.ca/wchase/HTML
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----- Original Message -----
From: Ed & Pat Fackler <rocmdw at aye.net>
To: <nafex at egroups.com>
Sent: Sunday, July 30, 2000 2:42 PM
Subject: Re: [nafex] chlorosis


: Carolyn ---  Chlorosis sometimes shows up in very old leaves due simply to
: the aging process of the leaves.  Or, if the chlorosis is near the
: rootstock, but not up on the new scion growth, I'd not worry about it.
:
: Ed
:
: Carolyn Wood wrote:
:
: > I have a question about chlorosis in new growth from grafts on apple
: > and pear rootstock.
: >    Many of my young trees are showing signs of severe yellowing, both
: > on standard Ant. and Emla 9 stock. My soil is quite basic, so I expect
: > some of this but I would like to know how the root/scion relationship
: > affects susceptibility to chlorosis.
: >
: > Thanks to all...Bob Z4 Central Utah.
: >
: >
:
:
: 
:
:
:


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