North American Fruit Explorers mailing list at ibiblio

["Richard L. Wagner" <rewagner@centurytel.net>]

Also, with wind pollinated plants such as walnuts, oaks, etc. one is 
only assuming that both parents were themself 'pure' specimens and not 
hybrids of one degree or another. This will result in a broad continuum 
of phenotypes. According to the classical definition of 'species' this 
would indicate that these 'species' were not true 'species' to begin 
with but were only local variants. Just as taxonomists using DNA have 
come to conclude that American elk (wapiti) are the same species as 
Eurasian Red Deer and  Grizzly, Kodiak, and Eurasian Brown Bear are 
really all the same species. It is no different than the situation 
among all the breeds of domesticated animals including Man itself. 


Quoting Louis Pittman <lucky.pittman@murraystate.edu>:
> Yah. 
> I can't speak to the dominance/recessiveness of inheritance of the heartnut
> trait in a breeding population - like the polled trait(no horns) in cattle,
> which is dominant to the horned trait. I presume that the heartnut mutation
> may be dominant to the typical species nut shape and morphology, but I've
> only grown out a handful of heartnut and Japanese walnut seedlings, and none
> have produced nuts yet, so I can't even hazard a guess as to what shape the
> nuts will be when they do. 
> But - some of the buartnut photos I've seen suggest a nut character somewhat
> intermediate between that of butternut and heartnut, and some of the hybrids
> look, for all intents and purposes, like butternuts, so my initial thought
> that the heartnut shape might be dominant may be full of holes. 
>
> LLP
>
> On Sun, May 1, 2011 at 3:57 PM, Dan Nave <nave1@comcast.net> wrote:
>
> > OK, so it is when there is a mutation on a branch, for instance, of a tree
> > where the fruit is
> > different from the rest of the tree, and then this branch is taken and
> > propagated by grafting
> > presumably.  So it is a genetic mutation, but not due to sexual recombining
> > or hybridization?
> >
> > Dan
> >
> > On 5/1/2011 2:35 PM, Louis Pittman wrote:
> > > On Sun, May 1, 2011 at 2:00 PM, Dan Nave<nave1@comcast.net>  wrote:
> > >
> > >> What is a "budsport?"
> > >>
> > >> Dan,
> > > A budsport is a genetic mutation which results in a different appearance. 
> > >
> > > The heartnut, with its distinctive valentine heart-shaped nut, is a
> > genetic
> > > mutation of the Japanese walnut, Juglans ailantifolia.  To my eye,
> > heartnut
> > > &  Japanese walnut trees are essentially indistinguishable, but the nut
> > of
> > > the straight species looks very much like the typical butternut nut, if a
> > > bit smaller. 
> > >
> > > Budsports have been selected and propagated throughout history - for
> > > instance, the various increasingly redder and more conical sports of the
> > > original Hawkeye Delicious which have yielded the Red Delicious most
> > folks
> > > are accustomed to seeing (and avoiding due to its abhorrent taste) in the
> > > grocery. 
> > > Big Red Gala, Scarlet Gala, Red Fuji, Perrine Giant Yellow Transparent
> > > apples, red D'Anjou pears, the Converse Major pecan, etc., all are
> > budsports
> > > which were noticed by someone - the fruit was different(bigger, different
> > > color, etc.) on that one branch, and it was selected for propagation. 
> > >
> > > LLP
> > > __________________
> > > nafex mailing list
> > > nafex@lists.ibiblio.org
> > > Subscribe, unsubscribe, change your user configuration or find out more
> > about the list here:
> > > http://lists.ibiblio.org/mailman/listinfo/nafex
> > > NAFEX web site: http://www.nafex.org/
> > >
> > >
> > >
> > > No virus found in this incoming message. 
> > > Checked by AVG - www.avg.com
> > > Version: 8.5.449 / Virus Database: 271.1.1/3608 - Release Date: 05/01/11
> > 06:34:00
> > >
> > __________________
> > nafex mailing list
> > nafex@lists.ibiblio.org
> > Subscribe, unsubscribe, change your user configuration or find out more
> > about the list here:
> > http://lists.ibiblio.org/mailman/listinfo/nafex
> > NAFEX web site: http://www.nafex.org/
> >
> __________________
> nafex mailing list
> nafex@lists.ibiblio.org
> Subscribe, unsubscribe, change your user configuration or find out more about
> the list here:
> http://lists.ibiblio.org/mailman/listinfo/nafex
> NAFEX web site: http://www.nafex.org/