A Proof that Geographic Origin Affects Growth
Loblolly pine plantations at Bogalusa, La. , clearly show the benefits of using seed from local sources, at least for loblolly. pine. In 22 years, trees from seed secured locally (Livingston Parish, 50 miles from Bogalusa) produced 41.8 cords of merchantable pulpwood per acre. Those from Montgomery County, Tex. , seed produced 22. 7 cords; those from seed from Clarke County, Ga., and Howard County, Ark., 17.7, and 15.4 cords, respectively.
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Author(s): Philip C. Wakeley
Publication: Tree Planters' Notes - Issue 8 (1951)