Treatability of Native Softwood Species of the Northeastern United States

摘要

Several softwood species of the northeastern United States could have greater commercial value if they could be treated with preservatives. Balsam fir, eastern spruce, and eastern hemlock are candidate species. However, these species are susceptible to spruce budworm attack. In the study, the authors explored whether wood from dead (defoliated) or drying (partially defoliated) trees of these species could be treated successfully with ammoniacal copper arsenate or chromated copper arsenate.