Black Walnut Seed Sources for Planting in Vermont
Abstract:The growth, phenology, and susceptibility to winter injury of 82 black walnut provenances were compared in a northwestern Vermont provenance test plantation. After seven growing seasons, provenances from MI, central OH, northern IN, and PA exhibit the best combination of growth, budbreak, and winter hardiness characteristics and are recommended for planting in Vermont's Champlain and Connecticut river valleys. Provenances from MI appear to be particularly well-suited to the environment of Vermont's Champlain Valley, as exemplified by a provenance from Volinia, MI which is 26% taller than the plantation average and among the latest to begin growth in spring. Despite fast growth, provenances from KY, IL, and VA do not appear suitable for planting in Vermont because of their relatively early budbreak and high susceptibility to winter injury. Provenances from the Great Plains are not recommended for planting in Vermont due to their relatively slow growth rate and early budbreak. North. J. Appl. For. 5:40-45, March 1988
Document Type: Journal Article
Affiliations: Vermont Department of Forest, Parks, and Recreation, 111 West Street, Essex Jct. 05452
Publication date: 1988-03-01
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