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nafex - [nafex] Krymsk 1 Rootstock

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  • From: Dan Nave <nave1@comcast.net>
  • To: North American Fruit Explorers <nafex@lists.ibiblio.org>
  • Subject: [nafex] Krymsk 1 Rootstock
  • Date: Thu, 12 Dec 2013 20:36:32 -0600

I mentioned earlier that I had had 2 apricots (Westcot and Hargrand) on K1 which both failed miserably. Both were bud grafts from Cummins Nursery and the graft union was huge (2 to 3 times) compared to the diameters of the rootstock and scion. The Westcot broke off at the graft and the Hargrand just died with the rootstock. However, the K1 rootstock that had been on the Westcot continued to grow and sent up some shoots, so this spring I grafted some more apricot scions on to it. I did a whip and tongue graft of Harogem and Harglow (which is what I had in the fridge, salvaged from two trees which were ringed by rabbits last winter) on two of the shoots, which were about 3/16" in diameter. Both of these grafts took beautifully and grew well. The graft area is barely swollen, not at all like the original bud grafts.

So, I am wondering if the original incompatibility is from the two varieties that were originally grafted on these rootstocks, or if the problem was due to the bud graft as compared to the whip and tongue graft.

Any thoughts?

Dan




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