Abstract
In July 2021 in Akita Prefecture, a light-brown water-soaked lesions appeared on Welsh onion starting where the green leaves diverged, then spreading outward, and extending as water-soaked stripes to the white pseudostem. Bacteria isolated from the lesions were considered to belong to the Burkholderia cepacia complex (Bcc). Based on their pathogenicity on Welsh onion, bacteriological properties and genetic characteristics, the isolates were identified as B. cepacia, B. cenocepacia and B. pyrrocinia. This is the first report of bacterial rot of Welsh onion caused by Bcc bacteria in Japan.
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Acknowledgements
We sincerely thank Dr. Yuichi Takikawa (Laboratory of Plant Pathology, Graduate School of Science and Technology, Shizuoka University), Dr. Yasuhiro Inoue (National Agriculture and Food Research Organization, Plant Protection Division) and Mr. Kazuhiko Sakai (Saitama Prefectural Agriculture and Forestry Research Center) for their kind and precious advice on pathogenic bacterial isolates from Welsh onion.
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Tsuji, M., Saito, T. & Honjou, M. The first report of a rot on Welsh onion (Allium fistulosum L.) caused by Burkholderia cepacia complex bacteria in Akita Prefecture, Japan. J Gen Plant Pathol 89, 238–243 (2023). https://doi.org/10.1007/s10327-023-01128-2
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DOI: https://doi.org/10.1007/s10327-023-01128-2