Juvenile Growth Performance In A Provenance Test Of Sweetgum

In a provenance test of sweetgum planted at four locations, the tallest trees after four growing seasons in the field were generally of non-local origin. Family-within-provenance variation was significant at two locations, and in every plantation was 23 to 44 percent as large as the provenance component. Sweetgum improvement programs should incorporate both provenance selection and progeny testing of wild parents. Additional keywords: Liquidambar styraciflua, height, progeny test, natural variation.

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Author(s): Kim C. Steiner, Bruce C. Bongarten, Randall J. Rousseau

Publication: Tree Improvement and Genetics - Southern Forest Tree Improvement Conference - 1985

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