Grafting Deb Shubat - grafter. History Earliest evidence of grafting recorded on tablets were found in Mesopotamia at Mari 3800 years ago.

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Presentation transcript:

Grafting Deb Shubat - grafter

History Earliest evidence of grafting recorded on tablets were found in Mesopotamia at Mari 3800 years ago.

What is Grafting? Scion Rootstock

Rootstocks

Why Graft? Vegetative reproduction Change the variety Change root system Add pollinator Repair damage Create designs

Timing and Conditions Dormant bench grafting ( Feb.-Mar) –Both scion and root dormant –Whip and tongue –Cleft Dormant in orchard (Late March-April) Active growth grafting ( August-early Sept) –T-bud –Chip

Compatibility Scion and root must be closely related Best union by grafting within the same species –Apple scion to apple root

Woody Stem Anatomy Bark Growth Ring in Xylem Vascular Cambium Pith

Scion wood Should be One or two Years old

Prevent Desiccation Work fast Cover cut surfaces with parafilm or wax to prevent drying. Don’t forget to seal the tip

Whip and Tongue Grafting Cut a shallow angle

Whip and Tongue Grafting Use the pith as center and split the stem. Note finger position!

Look at that finger position again! Please don’t cut yourself!

Whip and Tongue Grafting Repeat the same cuts with the scion wood except cut the bottom of the scion.

Whip and Tongue Grafting Push rootstock and scion together with cambium lined up on one side.

Whip and Tongue Grafting

The New Grafting wax

Whip and Tongue Grafting Wrap the whole graft and also the tip of scion.

If your scion has an apical bud, snip it off and seal the cut. The apical bud produces hormones that inhibit healing of the graft.

LABEL YOUR TREE Use metal labels that take an impression Bury the label on a designated side of the trunk (example: always on the south side) Make a map of the yard with locations and names of your plant material

Healed Graft

Cleft Graft

Active Growth Grafting Active growth grafting ( August-early Sept) –T-bud –Chip

T-Bud

Storage and Healing Place bench grafts in a cool place to start the healing process. Can be a refrigerator or root cellar Do not let them dry out Pot up in May or line out in a garden –Bring the plants out on a cloudy day. Train the new growth (up 3’)

Protect your tree from animal damage. Least dangerous Vole poison = gum or Rodentrol Wrap trunks up 3 feet or more with a light colored wrap in fall You can use a cylinder of hardware cloth, ¼ inch buried a couple of inches Deer deterrent: Hinder, Plantskydd or rotten eggs+bitters re-spray after rain

Where can I get Grafting Supplies? Fedco tree catalog also on line A.M.Leonard catalog and on line Dans feed bin has Tree Kote/ Wound sealer Superior Beads ( and knives) have straight bladed knives great for grafting “Google” grafting supplies and you will find lots of other suppliers Where can I get a grafter? Ask Shubat