{"title":"Pathogenicity of Curvularia geniculata Causing Ear Rot in Foxtail Millet (Setaria italica) in China","authors":"Kangning Zhu, Jing Xu, Yulin Diao, Guoqiu Chen, Wenfei Zhang, Kaixi Wang, Meng Zhang, Shuang Dou, Xin Sun, Qian Li, Hongyang Li, Xiaofei Sun, Haijin Zhang","doi":"10.1111/jph.70021","DOIUrl":null,"url":null,"abstract":"<div>\n \n <p>Foxtail millet (<i>Setaria italica</i>) an economically important crop globally, particularly in China. In 2021, a foxtail millet ear rot disease was first found in Chaoyang City, Liaoning Province, China. Symptomatic tissues were sampled, and the fungal isolate GZWB008 was identified as <i>Curvularia geniculata</i> based on morphological characteristics and ITS, GAPDH and RPB2 gene sequence analyses. Pathogenicity was confirmed by artificial inoculation, which produced symptoms consistent with those observed in the field. Koch's postulates were fulfilled by re-isolation of <i>C. geniculata</i> from inoculated symptomatic ears. This is the first report confirming <i>C. geniculata</i> as a causal agent of ear rot in foxtail millet, expanding knowledge of its host range and highlighting its potential threat to millet production.</p>\n </div>","PeriodicalId":16843,"journal":{"name":"Journal of Phytopathology","volume":"173 1","pages":""},"PeriodicalIF":1.1000,"publicationDate":"2025-01-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Phytopathology","FirstCategoryId":"97","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1111/jph.70021","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
Foxtail millet (Setaria italica) an economically important crop globally, particularly in China. In 2021, a foxtail millet ear rot disease was first found in Chaoyang City, Liaoning Province, China. Symptomatic tissues were sampled, and the fungal isolate GZWB008 was identified as Curvularia geniculata based on morphological characteristics and ITS, GAPDH and RPB2 gene sequence analyses. Pathogenicity was confirmed by artificial inoculation, which produced symptoms consistent with those observed in the field. Koch's postulates were fulfilled by re-isolation of C. geniculata from inoculated symptomatic ears. This is the first report confirming C. geniculata as a causal agent of ear rot in foxtail millet, expanding knowledge of its host range and highlighting its potential threat to millet production.
期刊介绍：
Journal of Phytopathology publishes original and review articles on all scientific aspects of applied phytopathology in agricultural and horticultural crops. Preference is given to contributions improving our understanding of the biotic and abiotic determinants of plant diseases, including epidemics and damage potential, as a basis for innovative disease management, modelling and forecasting. This includes practical aspects and the development of methods for disease diagnosis as well as infection bioassays.
Studies at the population, organism, physiological, biochemical and molecular genetic level are welcome. The journal scope comprises the pathology and epidemiology of plant diseases caused by microbial pathogens, viruses and nematodes.
Accepted papers should advance our conceptual knowledge of plant diseases, rather than presenting descriptive or screening data unrelated to phytopathological mechanisms or functions. Results from unrepeated experimental conditions or data with no or inappropriate statistical processing will not be considered. Authors are encouraged to look at past issues to ensure adherence to the standards of the journal.
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