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nafex - Re: [nafex] topworking and high grafting

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  • From: Claude Jolicoeur <cjoli@gmc.ulaval.ca>
  • To: nafex@egroups.com
  • Subject: Re: [nafex] topworking and high grafting
  • Date: Wed, 13 Dec 2000 23:15:11 -0500

A 03:29 00.12.14 -0000, vous avez écrit :
>I have had several topworking experiments going on, surprisingly
>similar to those that Bernie has going.
>I ditto his conclusions about apple.

I also have a couple of cases that substantiate this:

1- I topgrafted Brown's Apple (an English cider apple) on an adult Cortland
tree - the graft took off like a rocket and started producing nice apples
after 3 years. Fine - so I started a tree, grafted 15 in high on a natural
seedling. It also took off rapidly but, as soon as it grew higher than the
snow cover (which is usually 5 ft high in my orchard), it started to freeze.

2- I planted a Shinko (asian pear) tree 10 years ago. Every year, this tree
freezes hard and starts again from between 1 and 3 feet high. One spring
after a milder winter, There was a bit of wood from the preceding summer
that was still alive. I topgrafted it high on a branch of my Golden Spice
tree. Well, that graft has not frozen yet (but the tree still freezes).

I remember an article Bernie wrote in Pomona many years ago - if I remember
well, he was writing that the hardy supporting tree should have some
branches and leaves of his own variety for this to work, and that these
hardy branches gave hardiness to the graft by starting early the hardening
process. Do you still hold to this theory, Bernie? Personnally, I think it
makes a lot of sense.

Claude in Quebec, zone 4, where it can get to -35C in a really cold winter...

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