Article
Fungicide-Resistant Botrytis in Forest Nurseries May Impact Disease Control in Norway Spruce.
Plant disease - 1 Jan 2024
Nielsen Katherine Ann Gredvig, Skårn Magne Nordang, Talgø Venche, Pettersson Martin, Fløistad Inger Sundheim, Strømeng Gunn Mari, Brurberg May Bente, Stensvand Arne
Abstract excerpt
Gray mold, caused by Botrytis spp., is a serious problem in Norway spruce seedling production in forest nurseries. From 2013 to 2019, 125 isolates of Botrytis 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. The majority of isolates were identified as B. cinerea, and over 60% of these...
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