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nafex - Re: [NAFEX] Free Prunus rootstock

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  • From: Scott Smith <scott@cs.jhu.edu>
  • To: North American Fruit Explorers <nafex@lists.ibiblio.org>
  • Subject: Re: [NAFEX] Free Prunus rootstock
  • Date: Wed, 6 Apr 2011 12:30:45 -0400

I have some trees on Krymsk 1 that are about five years old. It has been
doing fine but I would say more than 50% dwarfing if anything - it is a
serious size reducer and its been hard for me to adapt to since I am not used
to so much dwarfing in stone fruits. I have only used it on apricots and
plums.

Scott

On Apr 6, 2011, at 12:11 PM, Idell Weydemeyer wrote:

> If you just want to buy a few--like 5 or fewer, at a standard rootstock
> price for a small order, Raintree has Krymsk 1 and Krymsk 5.
>
> -----Original Message-----
> From: nafex-bounces@lists.ibiblio.org
> [mailto:nafex-bounces@lists.ibiblio.org] On Behalf Of Jwlehman@aol.com
> Sent: Wednesday, April 06, 2011 8:59 AM
> To: nutgrowers@yahoogroups.com; nafex@lists.ibiblio.org
> Subject: [NAFEX] Free Prunus rootstock
>
> Dear group,
>
> Treeconn holds the propagation rights to The Russian Prunus rootstock VVA-1
> Trade Marked as Krymsk-1. It has tested well in US trials. Below is taken
> from a European web site, not the producer's site.
>
> Krymsk 1 ( VVA-1 cv.) (PAF) (Exclusive to ANFIC)
>
> GENERAL INFORMATION
> Pedigree: A hybrid of P. tomentosa x P. cerasifera compatible with peach,
> plum and apricot, reported dwarfing
> Origin: Krasnodar region of Russia
>
> CHARACTERISTICS:
> Vigor: Dwarfing: approx. 50% of standard
> Compatibility: Prunus persica, P.armeniaca, and P.domestica
> Suckering: Unknown
>
> ADAPTATION TO SOIL OR CLIMATIC CONDITIONS
> Cold Tolerant
> Drought Tolerant
> Waterlogging Tolerant
>
> COMMENTS:
> Is looking very good in the trials for peach, plum, nectarine, and
> apricots. Is very dwarfing at least 50%. Fruit size is very good better
> than Lovell
> on young trees. Some incompatibilities are reported in Spain with low chill
> nectarines. We have never seen any incompatibilities.
> The rootstock is adaptable to many soil types including heavy soil. It does
> not resist stress well and can have a problem with transplant shock if not
> handled well. Requires good irrigation practices or the trees will be very
> dwarf. Seems susceptible to Pseudomonas. Good Yield efficiency.
>
> USA: 4-5 years [Date of this writing is unknown] of observations in
> California; + Compatability; ++ enhancement of fruit size; Compatible with
> Elegant
> Lady but not Fairtime; + suckers; Apricots have a good balance of renewal
> growth; 10% more vigourous than Torinel and other apricot rootstocks;
> Larger
> fruit of Japanese plums compared to Citation; strong point for plums.
>
> HOLLAND: Main strength of Krymsk 1 is with plums; Holland has 14 years
> data; 60% of full tree size; increased fruit size; less dwarf with plum
> than
> peach; works great with flowering plums; could be the best apricot
> rootstock,
> check compatibility but it occurs early; a large % of Czech varieties are
> okay; susceptible to bacterial canker (although never seen in the field);
> some
> resistence to nematodes.
>
> Treeconn has given me 25 liners of Krymsk-1 for distribution to NAFEX &
> INGA members. All I ask is the freight. Please limit the number to 5, or
> less.
> Organization members will receive priority as well as first come first
> served. Shipping cost will vary depending on location and package. If I'm
> swamped
> with requests I reserve the right to select recipients based on locations
> and length of organization membership.
>
> Send your request off line. JWLehman@aol.com
>
>
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