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Racial Diversity of Black Locust in Growth Rate and in Susceptibility to the Locust Twig Borer

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Twenty-five different geographic sources of black locust trees from Ohio, Maryland, West Virginia, and Virginia were studied for 3 years in a replicated experiment in Maryland. Significant differences were found in heights, diameters, kiln-dry weights, and susceptibility levels to locust twig borer. None of these variables were related to either longitude or latitiude of the seed source. However, high-elevation sources included more rapidly growing populations than those from low elevations. The third-year sprouts of the most productive source had the kiln-dry weights equivalent to 70,000 kg/ha. This suggests that selected black locust sources may qualify for short-rotation mass yield of energy. The most outstanding in kiln-dry weight per square growth space were some sources from Tucker, Randolph, and Mineral counties of West Virginia. North. J. Appl. For. 7(1):38-43, March 1990.
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Document Type: Journal Article

Affiliations: The University of Maryland, Frostburg, MD 21521

Publication date: 1990-03-01

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    Each regional journal of applied forestry focuses on research, practice, and techniques targeted to foresters and allied professionals in specific regions of the United States and Canada. The Northern Journal of Applied Forestry covers northeastern, midwestern, and boreal forests in the United States and Canada.
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