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, "kuffelcr...@kuffelcreek.com" <kuffelcr...@kuffelcreek.com> 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" <kus...@illinois.edu> 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:apple-crop-boun...@virtualorchard.com] On Behalf > Of Brian Alan Caldwell > Sent: Friday, October 06, 2017 7:34 AM > To: Apple-Crop discussion list <email@example.com> > 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 _______________________________________________ apple-crop mailing list firstname.lastname@example.org http://virtualorchard.com/mailman/listinfo/apple-crop
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