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U.S. Department of Agriculture USDA Forest Service Southern Regional Extension Forestry Southern Regional Extension Forestry

15-Year Gains From Parental and Early Family Selection in Longleaf Pine

Wind-pollinated families from 100 parents differed greatly in height at age 8. Selection of the tallest 10 percent produced a 43-percent gain in plot volume at age 15. Most of this gain was attributed to better survival of taller families rather than to differences in growth of survivors. Selection of the fastest growing 25 percent of the parents produced a 15-percent gain in 15-year plot volume. Progeny testing for early height growth prior to orchard establishment is advisable.


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Author(s): E. Bayne Snyder

Publication: Tree Improvement and Genetics - Southern Forest Tree Improvement Conference - 1973