North American Fruit Explorers mailing list at ibiblio

["Jim Freeman" <jf@gctruck.com>]

I have noticed that several varieties on Bud9 rootstock will set quite a
lot of fruit on one-year wood in our orchard. For us, Gingergold seems
to set the most one-year fruit and will do it on semi-dwarf roots (M7)
as well. When we have left too many apples on those trees, we have
noticed a steep decline in vigor for the remainder of the year.
Jim Freeman
Freedom Farms
Zone 7 Georgia

Message: 9
Date: Tue, 27 Apr 2010 18:59:27 -0700
From: "Lon J. Rombough" <lonrom@hevanet.com>
Subject: [NAFEX] Apples That Bear On One Year Wood
To: NAFEX <nafex@lists.ibiblio.org>
Message-ID: <9f746a972417d848da14b0cb97a90414@hevanet.com>
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        The late Professor Elwyn Meader once sent me a red flesh apple
from Nels Hansen which is probably a selection of Malus  Niedzwetzkyana.

One striking feature is it's ability to bear on one year wood.  Not just
a flower or a fruit  here and there, but clusters at every bud.  
Since it's from Siberia, I assume that  ability is a reproductive
strategy to allow it to bear quickly if a cold winter kills back limbs.
        Has anyone noted this trait in other apple varieties or species?
-Lon Rombough