TY - JOUR T1 - Wound Dressings on Red Maple and American Elm: Effectiveness After Five Years JF - Arboriculture & Urban Forestry (AUF) SP - 81 LP - 87 DO - 10.48044/jauf.1977.023 VL - 3 IS - 5 AU - Alex L. Shigo AU - Charles L. Wilson Y1 - 1977/05/01 UR - http://auf.isa-arbor.com/content/3/5/81.abstract N2 - Closure and internal compartmentalization of wounds on red maple and American elm were not stimulated by dressings of an asphalt-based material, orange shellac, or polyurethane varnish. After 5 years, decay fungi had infected many treated and control wounds. Some trees closed wounds rapidly; others closed wounds slowly regardless of the treatments. ER -