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plus trees

A tree which in its outward appearance (phenotype) is superior to the average tree of the same species grown at a similar site. Visibly superior characteristics may include morphology, vigor, pest or disease resistance, growth, etc., but these characteristics have not been clonally or progeny tested.
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Entry Terms:
  • plus-trees
  • superior trees
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RDF/XMLCreated 2010-09-15, last modified 2018-02-26