Ahmed wrote:@
Guibnd: as regards the dimensions, my memories are rather vague, but it is not too critical: 1,5 to 3 cm in diameter ...
To understand the technique, here is a photo of the tool I made.
Well, it's stupid, but the grass is the clearest!
However, this is sufficient to see the details: a piece of wood with parallel edges, two pieces of packing tape, two nails serving as pins, two packing clips to clamp the other end of the strip, two old ones "pop" rivet points cut to length and each inserted in its groove and glued with araldite and two cutter blades (the only new element!). The piece of wood is rounded on its back to fit the hand. With this instrument, it is easy to pick up two pieces that are exactly identical in height; the second on the rootstock only serves to spare the place of the graft; thus, the sap channels coincide perfectly. The graft is adjusted in width so that there is a clearance of about 2 mm on one side (the other side must be well joined): this allows the formation of scar bulges without risk of causing a detachment of the room.
The trick when collecting the graft consists of this: after incision up / down with the double graft and incision of two vertical with an ordinary graft (well sharpened and clean), the bark is carefully peeled off around the eye ;
once this operation is finished, place your curved index finger behind the stem to take support and place your thumb in front of the bud (on the side), then apply pressure towards the other side: this causes the slide the whole graft with the shearing of the small point which has formed on the cambium (under the bark and in contact with it) and which feeds the bud. Without this last precaution, the eye will no longer be in contact with the cambium and will inexorably dry out. Immediately immerse the harvested grafts in a bucket filled with water.
Questions?
very clever your tool for a perfect match between graft and PG!
I note the small game of 2mm on one side to avoid future detachment of the graft ... I would have applied to make the 2 sides coincide.
I do not understand your little tip that I highlighted in blue, you could make me a small photo to illustrate the gesture please? thank you.
I also saw that one can make a transplant in flute or (whistle) ordinary or with strips which has the advantage of compensating if cutting the graft too short in height.
I will try these grafts on sleeping eyes and as I have several departures (3 or 4), I will stagger in time (from June to September).
I saw on foreign videos (Turkey, Armenia or Georgia ... the cradle of the walnut tree) that they surround the grafts with earth (with plastic tubes filled with earth to avoid drying out). maybe useful in my case if hot weather at the time of my transplants, but as I do not understand what they say, I do not know whether to remove before winter or spring?
do you know this way of doing things?