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Knipboom ­differences

Standard trees are budded in the fall on one-year-old rootstock, cut back the following spring to the scion bud, then allowed to grow as a tree for an additional season for what is known in the industry as a two-year-old tree. Low branches are removed to allow for ­terminal growth and branch placement.

Knipboom trees begin as a bench graft in the spring. They are planted and allowed to grow in place for the first ­season, requiring suckering, limbing, support, and other standard nursery practices. The following spring, they are cut back to the desired height, 24–27 inches, and a central leader is established. Because of the root establishment and heading, growth is much better than with a standard tree, including caliper and increased branching. The desired outcome is weak, flat branches that will bear fruit the second season in the orchard. 

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