[NAFEX] Apple Question

dmnorton at royaloakfarmorchard.com dmnorton at royaloakfarmorchard.com
Mon Sep 10 20:21:48 EDT 2007


Mark,

It's actually the heat from the sunlight that colors the apples.  The 
reflective tarps reflect the sun's light and increase the heat very similar 
to a magnifying glass.

Dennis Norton
Royal Oak Farm Orchard
http://www.royaloakfarmorchard.com
http://www.theorchardkeeper.blogspot.com
http://www.revivalhymn.com
----- Original Message ----- 
From: "Mark & Helen Angermayer" <hangermayer at isp.com>
To: "North American Fruit Explorers" <nafex at lists.ibiblio.org>
Sent: Monday, September 10, 2007 6:34 PM
Subject: Re: [NAFEX] Apple Question


> Jim,
>
> I remember reading in one of the recent issues of Pomona how they do 
> apples
> in Japan.  Evidently, Japanese consumers are very discriminating when it
> comes to their fruit.  They demand near perfect color, so Japanese
> orchardists put reflective tarps under apple trees the last part of the
> season to get the fruits uniform color.  If I understood Dennis'
> information, heat is mostly what colors apples.  I can't see how tarps 
> would
> increase heat, but as you suggest sunlight must be another factor that 
> adds
> color too.
>
> Mark
> Kansas
>
> ----- Original Message ----- 
> From: "Jim Fruth" <>
> To: "NAFEX" <nafex at lists.ibiblio.org>
> Sent: Monday, September 10, 2007 8:31 AM
> Subject: [NAFEX] Apple Question
>
>
>>     Will apples turn red after they are picked?  Apples that are in the
> sun
>> have nice color, but those that are in shade or mostly shade, have little
> or
>> no red color.  Can I do anything that will increase their shades of red?
>>
>> Jim Fruth
>> Brambleberry Farm
>> Pequot Lakes, MN  56472
>> For jams, jellies & syrups:
>> www.bberryfarm.com
>> (877)265-6856 [Store]
>> (218)831-7018 [My Cell]
>>
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