Re: [nafex] Jim Fruth's comments.

The assumption that black fruit is
less visible to birds is not correct.  Fruit eating
birds see further into ultraviolet than humans.  A
black fruit may, in fact, be much brighter in the UV than we
can detect with our eyes.  Fruits can signal ripening
by changing color.  We all know that.  But we
cannot see with our eyes how that ripe fruit may appear to
birds.  My source is an excellent article that appeared
in Scientific American magazine many years ago.  I am
not able to locate the actual reference, but someone more
skilled than I can likely find it.  As I recall, part
of the article did discuss how changes to UV fruit color was
used by birds to detect ripening fruit.

john s


--------------------------------------------
On Fri, 1/29/16, Maria <mariaschu@vtlink.net>
wrote:

Subject: Re: [nafex] Jim Fruth's comments.
To: nafex@lists.ibiblio.org
Date: Friday, January 29, 2016, 10:50 AM

What about
honeyberries/haskaps?  The birds eat them all the second
they
ripen.  Jim, have you tried blue
beads on honeyberries or blueberries?

Maria

On
1/29/16 10:33 AM, Naomi Counides wrote:
>
Yes, thanks... got some good ideas from that.
> Naomi
>
> -----Original Message-----
> From: nafex [mailto:nafex-bounces@lists.ibiblio.org]
On Behalf Of Jim Fruth
> Sent: Friday,
January 29, 2016 8:13 AM
> To: mailing
list at ibiblio - Northamerican Allied Fruit
Experimenters
> Subject: Re: [nafex] Jim
Fruth's comments.
>
> Alan,
>      You
have my permission to send it to anyone.  I sent it to
magazines in
> US, UK, CA, Australia and
Russia
>
> Jim
>
> -----Original
Message-----
> From: Alan Haigh
> Sent: Friday, January 29, 2016 5:05 AM
> To: nafex@lists.ibiblio.org
> Subject: [nafex] Jim Fruth's
comments.
>
> Jim, do
you mind if I quote your comments on the Growingfruit.org
forum?
> Some members who don't also
participate on nafex@lists might be
interested.
> I always thought this an
ingenious strategy and reading it again I feel
> foolish for never having tried it as
you've been sharing this for a very
>
long time.
>
> I grow
sour cherries and have ZERO bird problems.  Why?  I hang
red plastic
> 'cherries' in the
trees and leave them in the tree the whole year around,
> replacing them as they fade.  Also, I put
red painted stones in the
> strawberries
as soon as blooming is finished.  The birds peck on the
rocks,
> hurt their beaks and don't
come back.  AND I hang raspberry shaped berry
> beads around the perimeter of the red
raspberry patch as soon as blooming is
>
done.  It doesn't work 100% but it helps.  Black berry
beads do not work
> with blackberry and
black raspberry and I don't know why not.
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