Fungicide-Resistant in Forest Nurseries May Impact Disease Control in Norway Spruce.

Gray mold, caused by spp., is a serious problem in Norway spruce seedling production in forest nurseries. From 2013 to 2019, 125 isolates of were obtained from eight forest nurseries in Norway: 53 from Norway spruce seedlings, 16 from indoor air, 52 from indoor surfaces, and four from weeds growing close to seedlings.