Abstract
The use of gamma irradiation for eliminating pests from imported wood
products was investigated, using ponderosa pine blocks colonized
by Aspergillus niger, Ophiostoma piceae, O. perfectum, Penicillium
spp., Phlebia subserialis, or Postia placenta. While previous studies
suggest that a dosage of 2.5 Mrads is required to eliminate fungi
from wood, only one isolation was made from wafers exposed to 1.5
Mrad. This suggests that lower dosages may be adequate for mitigating
pests in wood, although further studies using other fungi are recommended.
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