Variation in Frequency of Sugar Maple Bole Damage From Tree-Marking Materials
Six blue tree-marking materials, commonly used to mark residual trees and those along boundaries, were evaluated for their potential to damage sugar maple boles. Materials were applied as 3-in. diameter spots in both spring and fall to trees of two bark textures in stands at four different locations. Damage was evaluated three growing seasons later. Cracks were the most frequent form of defect, but swelling, callus, and open cankers also occurred. Damage was observed in 192 of 1056 spots, and there was wide variation in the frequency of damage caused by different materials. There also were relationships between frequency of damage and both stand location and bark texture. Defects may be avoided by minimizing application to valuable trees and by using those marking materials which less frequently cause damage. North. J. Appl. For. 9(4):136-137.
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Document Type: Journal Article
Affiliations: Pennsylvania Department of Environmental Resources, Bureau of Forestry, Division of Forest Pest Management, 34 Airport Drive, Middletown, PA 17057-5021
Publication date: 1992-12-01
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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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