Tree Grading Without the Use of Check Trees
A first step in any tree-improvement program is to locate and evaluate individuals to be included in an orchard or breeding system. In forestry in the Southeast, first-generation selections from wild stands or plantations still comprise the majority of selected trees, although second-generation selections are gradually becoming more numerous.
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Author(s): John F. Robinson, J. P. van Buijtenen
Publication: Tree Improvement and Genetics - Southern Forest Tree Improvement Conference - 1971