Distribution of Gum Spots by Causal Agent in Black Cherry and Effects On Log and Tree Quality
Authors: Rexrode, C. O.; Baumgras, J. E.
Source: Southern Journal of Applied Forestry, Volume 8, Number 1, 1 February 1984 , pp. 22-28(7)
Publisher: Society of American Foresters
Abstract:Gum spots were studied in 116 black cherry (Prunus serotina Ehrh.) trees in West Virginia. Bark beetles are the major cause of gum spots in both black cherry poletimber and sawtimber trees. Approximately 90 percent of all gum spots in the bole sections are caused by bark beetles. Cambium miners cause few gum spots in the lower 6 m of the trees and virtually none in the quality zone. Bark beetle-caused gum spots are grade defects in both veneer and factory grade sawlogs. Cambium miner-caused gum spots cause little degrade in veneer logs and none in factory grade 1 and 2 sawlogs.
Document Type: Journal Article
Affiliations: Research forester, Northeastern Forest Experiment Station, Morgantown, West Virginia 24740
Publication date: February 1, 1984
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