I would start by considering whether the wind is greater at higher elevation,
and whether there is more direct sunshine as well.
On Friday, October 6, 2017 11:08 AM, "[email protected]"
<[email protected]> wrote:
Mosbah's comment rings true here in our hot dry climate of So. Calif.; our
Liberty apples look like they've been stepped on, almost to the point of a
donut peach. They still fatten up girth wise, but I've always thought it
was something to do with irrigation. Thanks for solving a mystery.
Kevin Hauser
Kuffel Creek Apple Nursery
Riverside, California
On Fri, 6 Oct 2017 14:35:04 +0000, "Kushad, Mosbah M"
<[email protected]>
wrote:
> Brian : Fruit shape and color are affected by growing climate/region..
> Red Delicious fruits grown in warmer climate are likely to be round or
flat
> while those in northern regions tend to be oblong (so called type or is
it
> typy like shiny). I recall from memory that an extension publication
> showed that apples from North Carolina were more round and flat while
those
> from either NY or Washington? were oblong. This is likely to be
regulated
> by hormones since you can make fruits more oblong shape with Promalin
(GA4
> +GA7 + 6-BA). Skin finish is also affected by humidity and
temperature.
> High humidity and high temperature tend to make fruit color more dull
while
> low humidity and cooler daytime temperature tend to make fruit color
more
> shiny with smoother finish.
>
> Mosbah Kushad, University of Illinois
>
> From: apple-crop [mailto:[email protected]] On
Behalf
> Of Brian Alan Caldwell
> Sent: Friday, October 06, 2017 7:34 AM
> To: Apple-Crop discussion list <[email protected]>
> Subject: [Apple-Crop] satiny vs papery skin
>
> I have two orchard locations, one in a valley and a nearby one on a
> hilltop. I'm mystified by a "dry skin" quality in the valley farm.
> I graded Liberty apples last night and the differences between the two
> sites were dramatic. Hilltop-smooth, satiny finish; dark color; long
"red
> delicious" shape. Valley-shiny finish; bright color; spherical shape.
> Jonagolds and Idareds from the valley have an almost papery skin; much
> smoother/waxier from the hilltop.
> I've seen this in past years too...
> Any ideas as to what is going on?
>
>
> Brian Caldwell
> Hemlock Grove Farm
> West Danby, NY
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