This video shows how I do bark grating of avocado trees. It is used to change varieties using a simple and reliable method. If there are varieties that are not producing in a given area, this is a good method to change them. If there is a tree planted form a seed that is not producing good results this is a good method to use the existing root base and change it. Trees can be producing the new fruit in 12 months. article at: www.avocadosource.com/CAS_Yearbooks/CAS_31_1946/CAS_1946_PG_92-93.pdf 4/01/12 UPDATE:I will do a follow up video but I can tell you this experiments was only 20% successful. I may have encountered several issues. One we had a rare freeze in late December 2011 it got down to 29 for a couple of hours and my irrigation system broke. Some of the buds were growing and after that event a lot died. Also I think the time of the year was wrong. YOu cut a tree and bark graft in the winter and spring come and the tree explodes with new growth, it took the wind out of some grafts that were growing. As of right now I'm going back to veneer grafting for top working trees is is 95% successful. I will probably try to do it and the summer.

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