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nafex - Re: [NAFEX] Delaying blooming/breaking dormancy

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  • From: "William Freels" <w.freels@worldnet.att.net>
  • To: "North American Fruit Explorers" <nafex@lists.ibiblio.org>
  • Subject: Re: [NAFEX] Delaying blooming/breaking dormancy
  • Date: Wed, 21 Mar 2007 08:34:51 -0600

Bill:

A friend of mine in central Illinois has several Persian walnut trees at his
home. The ones where the soil thaws early sometimes do not have have a
crop of nuts. The one at the NE end of his home where the ground is frozen
to 3 ft. or so and more shaded usually has a crop because it is late to
get started and the late frosts do not get it.

Best regards,

Bill Freels
Paducah, Ky

----- Original Message -----
From: "William C. Garthright" <billg@inebraska.com>
To: "North American Fruit Explorers" <nafex@lists.ibiblio.org>
Sent: Wednesday, March 21, 2007 8:11 AM
Subject: [NAFEX] Delaying blooming/breaking dormancy


>
> > Use an latex interior paint diluted 50-50 with water and paint the
> > trunks up to the first limbs. ... One offshot of this is that your
> > trees will bloom a little later as the white color reflects the
> > sunlight and cools the trunks.
> >
>
> Are there other tricks to delay blooming a bit? Or to keep a plant from
> breaking dormancy too early? I've tried using micro-climates where
> possible (planting in locations that get some shade when the winter sun
> is low, but full sun in the summer), but that's much easier said than
> done. In fact, I'm not sure I've ever done it successfully. It would be
> a lot easier if trees leafed out for the winter and then dropped their
> leaves in the spring! :-D Perhaps I could rig up some kind of
> temporary sun-shade (that wouldn't just blow away in the wind)...
>
> Also, would a thick mulch over the roots delay a tree or vine from
> breaking dormancy or blooming too early by keeping the roots cooler?
> What really affects this, the air temperature, the ground temperature,
> or direct sunlight? Or all three?
>
> I've planted a few things that are unlikely to crop for me every year,
> and it's no problem if that's the way it's going to be (I assumed it was
> when I planted them). But there are also some interesting plants - such
> as hardy kiwi or edible honeysuckle - that are supposed to break winter
> dormancy easily in our fluctuating climate. So I'm curious if there are
> ways around this.
>
> Thanks,
>
> Bill
> Lincoln, NE (zone 5a)
>
> --
> The freethinking of one age is the common sense of the next. - Matthew
> Arnold
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