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Actually you don't graft limbs or bark but cambium, which is the thin layer of tissue that differentiates into xylem and phloem.

There's an old Dawn Redwood (old as they come being that they were rediscovered in the 50's or so) that some vandals ring girdled. They brought a tree surgeon in to do bridge grafts across the wounds and were able to save it. I don't know if the bridge grafts had any foliage - it probably would work better if they do.

Sometimes bridge grafts are used in bonsai to help close wounds, but I have always seen it done with a branch that makes a contact graft at a couple of points across the wound. I have never seen a "plug" of tissue. I don't think that would be (as) successfull because it is the leaves that are promoting the flow and growth of cambial tissue.

Regards,

Matt

25-Apr-2005	#2
TreeBay Tips:5¢ Advice:Free *MODERATOR GROUP* Join Date: Aug-2001 Location: Silicon Valley Country: USA USDA Zone: 9 AHS Heat Zone: 4 Posts: 9,745	Actually you don't graft limbs or bark but cambium, which is the thin layer of tissue that differentiates into xylem and phloem. There's an old Dawn Redwood (old as they come being that they were rediscovered in the 50's or so) that some vandals ring girdled. They brought a tree surgeon in to do bridge grafts across the wounds and were able to save it. I don't know if the bridge grafts had any foliage - it probably would work better if they do. Sometimes bridge grafts are used in bonsai to help close wounds, but I have always seen it done with a branch that makes a contact graft at a couple of points across the wound. I have never seen a "plug" of tissue. I don't think that would be (as) successfull because it is the leaves that are promoting the flow and growth of cambial tissue. Regards, Matt __________________ Want to be a seller on bonsaiAUCTIONS? Get authorized today! bonsaiTALK: Over 100,005.36 Megabytes Served this Month!