North American Fruit Explorers mailing list at ibiblio

["Gordon Nofs" <gc_nofs@hotmail.com>]

Mark
 Are there any walnuts, heartnuts, butternuts, etc or any from the same 
types within a half mile or so. All walnuts do not have the male and female 
blossoms at the exact right time. And sometime not even close.

Gordon C. Nofs
Flint, MI.





----Original Message Follows----
From: "Mark Lee" <markl@nytec.com>
Reply-To: North American Fruit Explorers <nafex@lists.ibiblio.org>
To: <nafex@lists.ibiblio.org>
Subject: [NAFEX] flower sequencing in walnuts
Date: Mon, 4 Aug 2003 08:32:01 -0700

I grew a walnut tree from seed about twenty years ago.  This year is the
first time it has produced a nut.  I read an interesting fact at this
webpage on the subject of walnuts reaching nut bearing age...
http://extension.usu.edu/files/gardpubs/walnut.htm.
Normally, the male flowers emerge first, followed by the female. When the
tree is young, the two flowers often bloom at different times. As the tree
matures, the flowers figure out this pollination situation, bloom together
and produce nuts."

I thought my tree might be sterile or might need cross pollination.  I think
all I needed to do was to wait for the tree to mature.  The time it takes
for a tree to get the male/female flowering sequence right must be specific
to each tree because I have heard from a fellow NAFEX member that he can
grow walnuts from seed that bear nuts in 2 years.  What mechanism is in the
tree that makes the tree able to learn and remember the proper sequencing of
the male and female flowers?  So many questions, so little time!

-Mark Lee, Seattle, zone 7B/8A

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