Abstract By the time white pine blister rust was discovered in the West, the life history of the fungus causing the disease was already well understood and control methods satisfactory for eastern conditions already had been developed. Because of the size of the task and also because of the inaccessibility of many of the western pine and sugar pine stands, the control of white pine blister rust in the West appeared to many an almost impossible task. Nevertheless, the Office of White Pine Blister Rust undertook the control of white pine blister rust in the West. The progress made to date is amazing, and with adequate support the task can be completed. The control of white pine blister rust in the West must be regarded as one of the greatest forestry achievements in the United States.
Herman E. Swanson (Wed,) studied this question.