First report of Rhytisma filamentosum causing tar-spot disease on Salix koriyanagi

초록

The occurrence of previously unknown tar-spot disease on Salix koriyanagi was observed during surveys for forest disease outbreaks in Korea. The fungus associated with tar-spot disease was identified as Rhytisma filamentosum based on morphological characteristics of the fungus and molecular sequencing of the ITS and 28S rDNA regions of two samples. To our knowledge, this is the first report of R. filamentosum on S. koriyanagi from Korea, following its first discovery on Salix integra in Japan.

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