Genotype by Environment Interaction Under Optimal and Deficient Nutrient Regimes in Loblolly Pine at Age 12
Year 12 growth data from the SETRES-2 study site were analyzed for growth differences due to nutrition, provenance, and family effects. Established in the winter of 1993-94, SETRES-2 is a loblolly pine (Pinus taeda L.) genotype by environment interaction study located in the Sandhills of Scotland County, NC. The study is a split-split plot experimental design, with 178 nutrition (annual optimum fertilization and non-fertilized) main plots, provenance (Atlantic Coastal Plain and “Lost Pines” Texas seed sources) sub-plots, and family (five OP genetic families per provenance) sub-sub-plots nested in provenance.
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Author(s): Ben C. Smith, Steven E. McKeand, H. Lee Allen, Bronson P. Bullock, Jesus Espinoza
Publication: Tree Improvement and Genetics - Southern Forest Tree Improvement Conference - 2007