Transcript Grafting PPT

Grafting
Joining One Plant to Another “Permanently”
Creating a Chimera
http://www.mountmajura.com.au/images/graft.jpg
http://www.rth.org/occss/1998show/gymno%20graft%202_Thumb.jpg
QuickTi me™ and a
T IFF (Uncompressed) decompressor
are needed to see thi s pi cture.
QuickTime™ and a
TIFF (Uncompressed) decompressor
are needed t o see t his pict ure.
Grafting Process:
• Select graft-compatible species (close relatives)
• Match stem diameter of rooted cutting and small branch
• Mirror image cuts on both cut ends
• Align the vascular cambia of both
• Tape the joint with grafting tape
• Seal with grafting wax
Scion
Union
Stock
Three Good Reasons To Graft
Reason
Scion
Stock
Dwarfing
Apple/pear tree
Quince shrub
Cold Hardiness
Hybrid tea rose
Hardy wild rose
Disease Resistance French wine grape
American fox
grape
Two Poor Reasons To Graft
Reason
Scion
Pollination, Space Multiple cultivars
Avoid Cops
Multiple Varieties
Stock
Vigorous wild
apple
Hops:
Humulus lupulus
Marijuana:
Cannabis sativa
Tomato
Potato
Competition: is the playing field level?
9-THC is a product of leaf glands…not roots!
Installation and Maintenance of
Grafted Plants
• Do not bury the graft union!
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Callus grows roots
Dwarf becomes tall
Hardy becomes winterkill
Resistant becomes susceptible
• Prune root sprouts mercilessly!
– Shoots on self-roots are fierce competitors
– Vigorous root sprouts shade scion
• Never prune off the ugly union and scion!
– You are left with just a cheap stock plant
A properly installed and maintained grafted tree
scion
QuickTime™ and a
TIFF (Uncompressed) decompressor
are needed to see this picture.
union
stock
http://plantdiagnostics.umd.edu/_media/client/diagnostics/gallery/normal_bulging_graft_l.JPG