Re: [nafex] Jim Fruth's comments.

That's interesting. So it may be that a black bead doesn't reflect the
same spectrum of color as a black fruit.

Regards,

Jay

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On 1/29/2016 10:00 PM, John S wrote:
> 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 out 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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