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When I first tried thread grafting pine, I wasn't sure how it might work either. It will probably be helpful for you to use the youngest branches possible, remove any corkiness by scraping or lightly sanding the edge of one side of the bud to get down close enough to the cambium that it appears green, clean the edges of the drill hole with a very sharp knife, and once you have the bud through the hole, use a wedge to force the scion tightly against one side of the hole. Cover the entry and exit wounds with some sealant.

Come back in about six months and see how it's doing. (Definitely don't separate it too soon until it's obvious from the size of the branch entering and exiting the drill hole that it has grown.

Once it is starting to bulge at the exit site, I go back in and wet the area down and then scrub the edges of the wound a little to make sure it is knitting well, because bits of cork can get in your way at the site of the graft.

Regards,

Matt

12-Jun-2002	#8
TreeBay Tips:5¢ Advice:Free *MODERATOR GROUP* Join Date: Aug-2001 Location: Silicon Valley Country: USA USDA Zone: 9 AHS Heat Zone: 4 Posts: 9,742	Re: thread grafting When I first tried thread grafting pine, I wasn't sure how it might work either. It will probably be helpful for you to use the youngest branches possible, remove any corkiness by scraping or lightly sanding the edge of one side of the bud to get down close enough to the cambium that it appears green, clean the edges of the drill hole with a very sharp knife, and once you have the bud through the hole, use a wedge to force the scion tightly against one side of the hole. Cover the entry and exit wounds with some sealant. Come back in about six months and see how it's doing. (Definitely don't separate it too soon until it's obvious from the size of the branch entering and exiting the drill hole that it has grown. Once it is starting to bulge at the exit site, I go back in and wet the area down and then scrub the edges of the wound a little to make sure it is knitting well, because bits of cork can get in your way at the site of the graft. Regards, Matt __________________ Want to be a seller on bonsaiAUCTIONS? Get authorized today! bonsaiTALK: Over 100,005.36 Megabytes Served this Month!