Productivity Comparison of 37-Year-Old Loblolly-Shortleaf Pine Seed Sources in Southern Illinois
Abstract:In a 37-year-old southern Illinois species comparison/provenance test shortleaf pine produced greater volumes of wood than loblolly pine, both per acre and per/acre/year. Although surviving loblolly pine were taller, shortleaf pine had greater per/acre volume primarily due to a two-fold greater survival than that for loblolly pine. Only 14% of the loblolly pine were present at age 37, partially reflecting a biased representation with southern seed sources. For shortleaf pine, trees of southwest Missouri had the highest survival and the greatest production per acre. North. J. Appl. For. 5:155-158, June 1988.
Document Type: Journal Article
Affiliations: Project Leader (retired), Southern Forest Experiment Station, Gulfport, MS 39503
Publication date: June 1, 1988
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