Identification of a Pathogen of Bacterial Pith Necrosis in Tomatoes

CHEN Meichun; XIAO Rongfeng; CHEN Yanping; ZHENG Xuefang; ZHU Yujing; WANG Jieping; LIU Bo

doi:10.19303/j.issn.1008-0384.2021.09.011

Volume 36 Issue 9

Sep. 2021

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Article Navigation > Fujian Journal of Agricultural Sciences > 2021 > 36(9): 1069-1074

CHEN M C, XIAO R F, CHEN Y P, et al. Identification of a Pathogen of Bacterial Pith Necrosis in Tomatoes [J]. Fujian Journal of Agricultural Sciences，2021，36（9）：1069−1074 doi: 10.19303/j.issn.1008-0384.2021.09.011

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CHEN M C, XIAO R F, CHEN Y P, et al. Identification of a Pathogen of Bacterial Pith Necrosis in Tomatoes [J]. Fujian Journal of Agricultural Sciences，2021，36（9）：1069−1074 doi: 10.19303/j.issn.1008-0384.2021.09.011

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Identification of a Pathogen of Bacterial Pith Necrosis in Tomatoes

doi: 10.19303/j.issn.1008-0384.2021.09.011

Agricultural Bioresources Research Institute, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian　350003, China

Received Date: 2021-02-24
Rev Recd Date: 2021-06-25

Available Online: 2021-08-10

Publish Date: 2021-09-28

Abstract

Abstract

Objective The pathogen that caused the bacterial pith necrosis on greenhouse tomatoes grown in Fujian and Zhejiang provinces during 2017-2019 was identified. Method Biolog analysis, 16S rDNA gene sequencing, and MALDI-TOF-MS were performed to identify the pathogen. The Koch’s rule was employed to determine the pathogenicity of the isolate. Result Two bacteria strains were isolated from the diseased tomatoes. The symptoms of discolored, dark brown vascular tissue and pith of main stem observed on tomatoes in the laboratory were identical to those found in the field. The bacteria were re-isolated from the infected plants and identified as Enterobacter asburiae. Conclusion The pathogen that caused bacterial pith necrosis in tomatoes in Fujian and Zhejiang was identified and reported as E. asburiae for the first time.
- Tomato pith necrosis,
- pathogen identification,
- Biolog analysis,
- MALDI-TOF-MS,
- Enterobacter asburiae

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References(27)

References

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