[NAFEX] Thinning

Mark Dorogi mddorogi at comcast.net
Tue May 27 22:14:27 EDT 2008

Thanks Dennis for the very good information.  


I can't possibly imagine thinning to two or three per cluster.  I've been
thinning to one and then remove quite a few clusters completely to keep some
reasonable spacing.  I just finished another 100 bags in that tree and now I
think I'll end up with close to 500 altogether.


If I ended up with even half that many apples, I'd have to sell or give them
away.  Usually things happen over the summer, wind, hail, neighbor kids,
etc, so I don't get anywhere near as many as I hope for.


I did notice some PC damage tonight and found one weevil poised on an apple.
While it is cold, they are out there, and past experience has taught me that
a lot of damage can occur quickly.  


So I think that tomorrow morning I'll do a malathion spray (all us
homeowners can really use) to knock the PC back a bit.  I probably won't be
able to do more bagging until the weekend given my work schedule.




SE Michigan



From: nafex-bounces at lists.ibiblio.org
[mailto:nafex-bounces at lists.ibiblio.org] On Behalf Of
dmnorton at royaloakfarmorchard.com
Sent: Tuesday, May 27, 2008 1:07 PM
To: North American Fruit Explorers
Subject: Re: [NAFEX] Thinning




Here are the "Rules of Thumb" we print on our U-Pick Guide here at Royal Oak





Weights (approx.)---1bushel = 42 lbs

                                 1/2 bushel (16 quarts) = 23 lbs

                                      1 peck (8 quarts) = 14 lbs

                                  1/2 peck (4 quarts) = 6 lbs



2 Large apples = 1 lb. 

3 Medium apples = 1 lb. 

4 Small apples = 1 lb. 



Approximately 2 - 3 lbs  of  apples are needed for a 9" pie.



There are about 125 medium size apples to the bushel, so 300 to 400 medium
size apples would be between 2.5 to 3.5 bushels to the tree which is pretty
average for a 10' tree.  Some growers thin to 2 fruit per cluster, the king
and the next largest.  We thin to 3 per cluster on average.


PC won't come out to feed until there are consistent 60 degree nights in a
row.   I have seen no evidence of feeding here at all.  over the weekend we
did finally get 2 nights above 50 and one above 60 and the codling moth
began to fly.  looks like i will be setting biofix for May 26, but right now
it's 42 degrees and the low is to be 39 tonight.  Nothing will fly at 39, so
it's been difficult to set any biofixes.  Just keep smacking those trees!



Dennis Norton
Royal Oak Farm Orchard, Zone 5

----- Original Message ----- 

From: Mark Dorogi <mailto:mddorogi at comcast.net>  

To: 'North <mailto:nafex at lists.ibiblio.org>  American Fruit Explorers' 

Sent: Monday, May 26, 2008 9:29 PM

Subject: [NAFEX] Thinning


I have very heavy fruit set this year in my apples.  Almost all of them are
loaded.  I'm bagging the apples now and thinning as I go.  It sure takes a
while, but it does seem relaxing.


I'm worked on the Cox's Orange Pippen today.  What a load of apples; I've
never seen so many.  Question:  How many apples can a dwarf tree produce?
This tree is around 10 years old, a solid 10' tall and wide, well branched,
not sure what rootstock, and I've put in 200 baggies and expect to put in at
least another 100 more, perhaps 150 more.  I am thinning each cluster to one
apple and trying to keep an average spacing of around 6".  I've probably
removed 500 apples. 


Just wondering if a dwarf tree like this can actually produce 300 or 400
apples or if I should be thinning more aggressively.  Last year, it didn't
set any fruit. 


And, how many average sized apples are in a bushel?  


I see no bug damage yet.  It's warm out now, so I've been watching out for
curculio. I'll probably go out and smack the trees a few times before bed,
to knock any out.  It is supposed to get cooler overnight though, low 50's,
and the next few nights it is predicted to be in the 30's.  I might even be
able to get the baggies on before the bugs really get going.





SE Michigan


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