North American Fruit Explorers mailing list at ibiblio

[jim <jmc1@epix.net>]

Ginda, could you pull up the clone number on that Liberty sib?

Several years ago, Dr. Goonwardene, USDA at Purdue, identified a number of
selections in the PRI program that showed varying degrees in resistance to
fruit-feeding insects.  Such material would seem to have some real value for 
the
resistance breeder who has another 50 years  of work-time left!!

Jim Cummins
Geneva

Ginda Fisher wrote:

> My husband's uncle has an apple tree that gets very little insect
> damage.  It was one of the Cornell numbered trees (a sibling of Liberty)
> and is hardy and productive, with tasty flesh if you like tart apples (I
> do).  He does have a few other apples on the property, all of which have
> lots of bugs.  BUT the skin on the resistant one is very tough and
> somewhat bitter.  I have assumed that the apples resist bugs BECAUSE the
> skin is tough and bitter - hard to chew through, and perhaps a little
> toxic, at least to worms.
>
> Yours sounds like a winning home orchard tree.  I second Lon, take good
> care of it, and give scions to friends.
>
> Ginda Fisher
> Zone 6, Eastern Mass.
>
> "Lon J. Rombough" wrote:
> >
> > I've been looking for apples resistant to insects, particularly codling
> > moth, for years.  So far I have found some that get less codling moth, but
> > none that are free of it.  In a lot of cases, it turns out that the 
> > variety
> > only works in a mixed orchard - the insects just prefer the other types 
> > and
> > leave the one alone, as long as there are other apples to go to.  Plant 
> > the
> > "resistant" one by itself so the insects have no choice and it will get
> > them.  Even so, such types are worth collecting as they may give us clues 
> > to
> > types that are REALLY resistant.  Hang onto it Ward, or make sure lots of
> > folks have it to test and preserve.
> > -Lon Rombough
> > ----------
> > >From: "Ward Barnes" <ward_p_barnes@hotmail.com>
> > >To: nafex@egroups.com
> > >Subject: [nafex] bug resistant apple?
> > >Date: Thu, Jul 20, 2000, 9:54 AM
> > >
> >
> > >Hi everyone:
> > >
> > >In my orchard of some 50 apple trees I have one that over the past 3 
> > >years
> > >has had no or very few worm or other bug damage even in years (like this 
> > >one
> > >in which I did not spray) that the other apples are hit very hard.  This 
> > >is
> > >my wife's favorite eating apple and is not a bad cooking apple either.  
> > >The
> > >variety is unknown to me as this was a fully developed orchard prior to 
> > >me
> > >purchasing the property.  Can this be a bug resistant apple and can the
> > >properties be transferred to established trees (I don't see how) or 
> > >perhaps
> > >onto rootstock to establish a more reduced labor organic orchard?
> > >
> > >Ward Barnes
> > >Coastal Zone 7
> > >Middlesex County, VA.
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