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Journal of Integrative Agriculture
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First report of leaf vein death caused by Pantoea ananatis on rice in Jiangsu Province, China

Xian Chen1, 2#Chunyang Xue1, 2, Oluwatoyin Oluwakemi Afolabi3, Bao Tang1, Yancun Zhao1#

1 Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China

2 College of Landscape and Ecological Engineering, Hebei University of Engineering, Handan 056033, China

3 Laboratory of Phytopathology, Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium

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摘要  

水稻是我国重要的粮食作物,病害是威胁其稳产高产的主要因素之一。近年来,泛菌属的Pantoea ananatisPa)在我国多地被发现可引起水稻细菌性病害,其寄主范围广,潜在威胁大。本研究于20236月在江苏省徐州市的水稻育苗田中发现一种导致水稻叶片叶脉枯死的新症状,其特征为茎基部及中下部叶脉褐变,叶片上部枯萎,呈自下而上的侵染模式。通过组织分离,获得了纯化的细菌分离物。经显微形态观察、16S rRNAgyrB基因序列分析,鉴定该病原菌为Pantoea ananatis。通过针刺接种法进行柯赫氏法则验证,证实该菌可导致接种水稻重现叶脉枯死症状,并从发病组织中重新分离到相同病原菌。该病原菌可在苗期侵染水稻,造成显著危害。据我们所知,这是Pantoea ananatis在中国江苏省引起水稻细菌性叶脉枯死症状的首次报道,其扩散对当地水稻生产构成潜在风险,需引起重视。



Online: 10 February 2026  
Fund: 

This research was supported by grants from the National Key Research and Development Program of China (2024FYD1400704), the Basal Research Fund of Jiangsu Province of China (CX(22)1010), the China Scholarship Council (202108320145), the Production Practice and Research Project of Young Scientific and Technological Personnel from the Plant Protection Research Institute (SJ(2022)01), and the Yafu Technology Service Project (KF242002).

About author:  #Correspondence Xian Chen, E-mail: cxbmh@jaas.ac.cn; Yancun Zhao, E-mail: zhaoyc27@126.com

Cite this article: 

Xian Chen, Chunyang Xue, Oluwatoyin Oluwakemi Afolabi, Bao Tang, Yancun Zhao. 2026. First report of leaf vein death caused by Pantoea ananatis on rice in Jiangsu Province, China. Journal of Integrative Agriculture, Doi:10.1016/j.jia.2026.02.020

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