North American Fruit Explorers mailing list at ibiblio

[Thomas Olenio <tolenio@sentex.net>]

Hello,

I also would imagine that it differs with use intended (cider vs table).

Later,
Tom

--
Southwest Ontario
Canada Hardiness Zone 6a
(similar to US zone 5)

On Mon, 14 Oct 2002, Doug Woodard wrote:

> Commercial apple growers here in the Niagara Peninsula often have to
> pick after nights of radiation frost when a thin outer layer of the
> apple freezes. They are careful to wait until the apples defrost
> before starting to pick otherwise the apple will be damaged.
>
> The temperature reached by the apple surface depends much on its
> exposure to the night sky versus leaf cover so will vary from apple
> to apple and among different parts of a tree.
>
> I don't know what degree of cold produces permanent damage. Best to
> ask an extension person or commercial grower in your area. I would be
> inclined to think that if the internal temperature is above freezing
> and the internal texture appears undamaged it is OK.
>
> Doug Woodard
> St. Catharines, Ontario, Canada
>
>
> On Mon, 14 Oct 2002, Phil Norris wrote:
>
> > Here in Maine we have had a warm fall and didn't get our first frost
> > until Oct 3.   I have heard that apples can stand a light frost but if
> > it gets too cold they'll be ruined.   I still have quite a few apples
> > still on the trees.  How cold can an apple get overnight without being
> > damaged?  Does it vary from variety to variety?
> >
> > Phil Norris
> > East Blue Hill ME Z4
> > 45 varieties of apples
>
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