[nafex] Pollenizer for Snaps pecan

Lucky.Pittman Lucky.Pittman at murraystate.edu
Sat Feb 9 21:28:04 EST 2002


>===== Original Message From nafex at yahoogroups.com =====
>Anyone know if Carlson 3 would be ok as a pollenizer for Snaps? I
>ordered Cornfield but the nursery was out of stock and intends to send
>me Carlson 3 instead. If not, do you know of any that do for usre
>pollenize it? Or some general info on pecan pollenizers.

Kevin,
Most of the published information on pollen-shed and nutlet receptivity 
patterns/compatibilities has been done with the Southern pecan varieties.  Not 
much out there in print on the northern/midwestern and far northern varieties, 
though I'd bet that John H. Gordon, Jr.(is that where you've ordered your 
trees?) and some of the other NNGA members growing pecans in short-season 
northern climes may be able to shed more light on which of those varieties 
have compatible pollen-shed and nutlet receptivity patterns.

Most of the Southern pecan literature breaks the cultivars into protandrous 
and protogynous groups, but even within the two groups, there's a lot of 
variation and overlap.
The more cultivars you can plant, the better your chances of getting good 
all-around pollenation.  Here in southern KY, I pretty much break the 
northern/midwestern varieties down into early, mid, and late season pollen 
shed. For example: 
The old (and still) gold standard pecan cultivar for this part of the country, 
"Major", produces prodigious amounts of pollen in the early to mid season, 
setting good crops of nuts on most of the protogynous cultivars, but needs mid 
to (very)late pollen to set nuts.  The Major ortet was very productive in its 
original site - a 400 acre block of native pecans in the Green River delta 
near Henderson/Owensboro, KY - but when it was first selected and propagated, 
back in the early 1900s, production was disappointing, as it had been moved 
away from whatever tree(s) in that forest were producing late-season pollen to 
set good crops on it.  While Posey, Greenriver & Peruque will pollenate some 
Major flowers, late pollen-shed varieties, such as Hodge, Lattus, and Chetopa 
are really needed to maximize yields on Major.

If you've not contacted John Gordon, drop him a line - I think he may be your 
best source of information on pollenation compatibilities of the far northern 
selections.
http://www.geocities.com/nuttreegordon/OKgordon.htm

NNGA has an 'ask the experts' page - check it out at: 
http://www.northernnutgrowers.org

The USDA Pecan Breeding and Genetics website has some information on a few of 
the northern/far northern varieties, including descriptions and nut photos, 
but most of their info is geared toward the Southern cultivars. (I think this 
URL is correct, but if not, it's close)

Lucky Pittman
Hopkinsville, KY
http://aggie-horticulture.tamu.edu/carya/






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