[NAFEX] Krymsk 1 & 5: can you tell the difference?

Bob Hartman hartmansfruit at msn.com
Thu Apr 28 12:29:57 EDT 2011

Hello Chris,

I have both the Krymsk 1 & 5.  The K5 is more pointed and less ribbed in the 
leaf and the K1 is more rounded and more ribbed in the leaf.  I sent a 
message to you separately since it has the two attached pictures which is 
discouraged on the list.

Western Washington

-----Original Message----- 
From: Christopher Kennel
Sent: Wednesday, April 27, 2011 5:25 PM
To: North American Fruit Explorers
Subject: [NAFEX] Krymsk 1 & 5: can you tell the difference?

Last year I bought some Krymsk 1 and Krymsk 5 rootstocks that I potted up.
I didn't use all of them, and my labeling system didn't withstand the test
of time, so I'm wondering if there is a visual way to differentiate between
the two.

As I understand things, the Krymsk 1 can be used for plums, peaches,
apricots, almonds, pluots, plumcots, and apriums while the Krymsk 5 is for
cherries only.  If this isn't accurate and both are compatible with the full
range of prunus, then identifying what I have left over won't be as

If you're familiar with these two rootstocks and know how to tell them
apart, I'd love to hear about it.

Thanks in advance,
Chris Kennel
Denver, CO
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