{"title":"First report of damping-off caused by Pythium aphanidermatum in seedlings of wax gourd","authors":"Noriyuki Miyake, Masashi Matsusaki, Hiroko Yasuda, Yoshimasa Kubota, Tsuneyoshi Kouno, Takamasa Otake, Koji Kageyama","doi":"10.1007/s10327-023-01157-x","DOIUrl":null,"url":null,"abstract":"<p>In February 2023 in Japan, seedlings of wax gourd [<i>Benincasa hispida</i> (Thunb.) Cogn.] in seedling boxes developed water-soaked rot on hypocotyls typical of damping off and eventually died. A <i>Pythium</i> sp. was isolated from the hypocotyls and was identified as <i>Pythium aphanidermatum</i> based on morphological characteristics and DNA sequence data. The same symptoms developed after seedlings were inoculated with the isolated fungus, and the same fungus was reisolated from the seedlings. This is the first report of damping off in wax gourd seedlings caused by <i>P</i>. <i>aphanidermatum</i> in seedling boxes in Japan.</p>","PeriodicalId":15825,"journal":{"name":"Journal of General Plant Pathology","volume":"47 3","pages":""},"PeriodicalIF":1.0000,"publicationDate":"2023-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of General Plant Pathology","FirstCategoryId":"97","ListUrlMain":"https://doi.org/10.1007/s10327-023-01157-x","RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"PLANT SCIENCES","Score":null,"Total":0}
引用次数: 0
Abstract
In February 2023 in Japan, seedlings of wax gourd [Benincasa hispida (Thunb.) Cogn.] in seedling boxes developed water-soaked rot on hypocotyls typical of damping off and eventually died. A Pythium sp. was isolated from the hypocotyls and was identified as Pythium aphanidermatum based on morphological characteristics and DNA sequence data. The same symptoms developed after seedlings were inoculated with the isolated fungus, and the same fungus was reisolated from the seedlings. This is the first report of damping off in wax gourd seedlings caused by P. aphanidermatum in seedling boxes in Japan.
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The Journal of General Plant Pathology welcomes all manuscripts dealing with plant diseases or their control, including pathogen characterization, identification of pathogens, disease physiology and biochemistry, molecular biology, morphology and ultrastructure, genetics, disease transmission, ecology and epidemiology, chemical and biological control, disease assessment, and other topics relevant to plant pathological disorders.
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