Finding a Better Control for Fusarium Root Rot in Douglas Fir

PULLMAN, Wash. — For decades, the conifer seedling nursery industry has fumigated soils with the chemical methyl bromide between plantings in order to control a devastating pathogen, Fusarium root rot. Because of safety and environmental concerns, methyl bromide use is increasingly restricted and expensive, and ultimately its use will be phased out. Thanks to a […]