How to Graft an Avocado Tree to Produce Avocado Fruit

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Avocado trees grown from a grocery store avocado seed will produce a tree, but its fruit may be different or even inedible. The tree will, however, be a good base for grafting branches from an existing, productive avocado that's producing reliable fruit. Once you've grown your seedling to a height of about 3 feet, it's time to start grafting fruit-bearing branches onto it in a process called topworking. Begin grafting in the spring when bark slips easily from the inner wood of the tree.

Things You'll Need

  • Sharp knife
  • Moist paper towels
  • Bowl of ice
  • Select budwood from a healthy, productive avocado tree. The best buds are located near the ends of branches that are 1/4 to 1 inch in diameter.

  • Cut 6-inch lengths of healthy branch tips that each contain several buds with a sharp knife. Take six to eight cuttings, wrap them in damp paper towels and lay them in a bowl of ice to keep them cold and moist.

  • Make a T-shaped cut on a branch from the rootstock tree, about 12 inches from the trunk. The long part of the T should be about 1 inch long. Make a shorter, crossing cut that goes 1/3 of the way through the branch. Twist the knife slightly to slip the bark away from where the two cuts meet.

  • Go back to the bud sticks you cut and placed in the bowl. Choose a healthy bud, and cut it from the stick beginning 1/2 inch below the bud and ending 3/4 inch beyond it.

  • Bring the bud back to the rootstock. Slide the long end of the bud wood into the long part of the T-shaped cut, matching the bud to the horizontal cut in the T.

  • Wrap the budded graft with a rubber band, securing it above and below, but not actually on the bud. Repeat Steps 3 to 5 in different areas of the tree until you've used buds from all the bud sticks.

  • Remove the rubber bands when the bud unions have healed and buds begin to open, which should be within three to four weeks.

Tips & Warnings

  • You can find special grafting rubber bands at an agricultural supply store in your area. If there isn't one, an everyday rubber band will do.
  • Don't let the bud sticks or T-cuts dry out during the grafting process. Each graft is best done one at a time, rather than making several T-cuts in the rootstock branches first.

References

  • Photo Credit Jupiterimages/Photos.com/Getty Images
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