Family Differences in Early Growth and Wood Specific Gravity of American Sycamore (Platanus occidentalis)
As part of a selection project to create strains for use under intensive culture, 64 wind-pollinated families were planted in an 8x8 triple lattice twice design using 4-tree square plots at a spacing of 4x4 feet. The plantation was clear-cut at the end of the fourth growing season to reveal family differences in sprout regrowth.
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Author(s): Charles D. Webb, Roger P. Belanger, Robert G. McAlpine
Publication: Tree Improvement and Genetics - Southern Forest Tree Improvement Conference - 1973