Abstract
Abstract Prior to harvest, nine root disease sites lacked any Ribes spp., but after harvest six supported Ribes spp. Surveys indicated that Ribes spp. and other berry plants were in greater abundance in root disease areas than in adjacently harvested areas. Seed deposition by bears and periodic flourishing in root disease areas are likely contributors to forest seed banks. On one site the blister rust incidence in white pines was 98% in the root disease area and 27% in the adjacent nonroot diseased area. The presence of root disease should be used to rank an area for high hazard potential to blister rust. West. J. Appl. For. 15(1)38-39.
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