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柑橘果面白癞病病原鉴定

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Identification of the pathogen causing white scaled blotch of citrus fruits in China
A cosmetic defect on fruits of citrus Orah((Citrus tangerina × C.sinensis)× C.tangerina)and Shatangju(Citrus reticulata Blanco cv.Shatangju)outbreaks in Southern China recently.As necrosis of outer layer cells in the green pericarp of fruits,the symptoms looked like ringworm or tinea,the name of"white scaled blotch"was given.However,as the etiology of the disease has not been determined,the strategy for pre-vention and control of this disease was confusion.In this study,field investigation was token and samples were collected from more than 10 orchards in the Guangxi and Guangdong provinces during 2020 to 2022.The patho-gen was isolated on the infected pericarp,and its pathogenicity was confirmed with Koch's postulates.Based on morphology and phylogenetic analysis of thecombined sequence data of LSU,ITS and rpb2,the pathogen was identified as Zasmidium fructicola.The determination of etiology lays a foundation for the study of epidemiology and to guide prevention and control of this disease.

white scaled blotch of citrusidentification of pathogenZasmidium fructicola

郑放、李磊、刘瑶丹、陈香玲、陈传武、吴群、焦晨、谢艳、李红叶

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浙江大学生物技术研究所,杭州 310058

广西农科院园艺所,南宁 530007

广西特色作物研究院,桂林 541004

浙江省衢州市农业林业科学研究院,衢州 324000

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white scaled blotch of citrus identification of pathogen Zasmidium fructicola

国家柑橘产业技术体系浙江省重点研发计划

CARS-262019C02022

2024

植物病理学报
中国植物病理学会

植物病理学报

CSTPCD北大核心
影响因子:0.865
ISSN:0412-0914
年,卷(期):2024.54(3)