Fusarium oxysporum Causes Root Rot on Gastrodia elata in Korea: Morphological, Phylogenetic, and Pathogenicity Analyses

Fusarium oxysporum Causes Root Rot on Gastrodia elata in Korea: Morphological, Phylogenetic, and Pathogenicity Analyses

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Gastrodia elata infected with root rot disease was collected from cultivated G.elata fields in Gimcheon, Korea, in 2018.G.elata tuber surfaces exhibited root dove dark chocolate squares rot disease symptoms of dark-grey lesions and white fungal mycelial growth.The fungus was isolated from symptomatic tubers and cultured.

Based on morphological characteristics and molecular graco ascent analysis of the internal transcribed spacer region of ribosomal DNA and translation elongation factor 1-alpha, the isolated fungus was Fusarium oxysporum.This is the first report of root rot caused by F.oxysporum on G.elata tubers in Korea.