Pathogen of Bacterial Soft Rot on <i>Paris polyphylla </i>Smith<i> var. chinensis</i> (Franch.) Hara in Fujian

ZHENG Meixia; SU Hailan; XIAO Rongfeng; HE Guiqiang; ZHU Yujing

doi:10.19303/j.issn.1008-0384.2021.03.012

Volume 36 Issue 3

Mar. 2021

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Article Navigation > Fujian Journal of Agricultural Sciences > 2021 > 36(3): 332-336

ZHENG M X, SU H L, XIAO R F, et al. Pathogen of Bacterial Soft Rot on Paris polyphylla Smith var. chinensis (Franch.) Hara in Fujian [J]. Fujian Journal of Agricultural Sciences，2021，36（3）：332−336 doi: 10.19303/j.issn.1008-0384.2021.03.012

Citation:

ZHENG M X, SU H L, XIAO R F, et al. Pathogen of Bacterial Soft Rot on Paris polyphylla Smith var. chinensis (Franch.) Hara in Fujian [J]. Fujian Journal of Agricultural Sciences，2021，36（3）：332−336 doi: 10.19303/j.issn.1008-0384.2021.03.012

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Pathogen of Bacterial Soft Rot on Paris polyphylla Smith var. chinensis (Franch.) Hara in Fujian

doi: 10.19303/j.issn.1008-0384.2021.03.012

1.
Institute of Agricultural Bio-resources Research, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian 　350003, China
2.
Changguling Forest Farm, Jinggangshan Nature Reserve, Jinggangshan, Jiangxi 　343600, China

Received Date: 2020-11-07
Rev Recd Date: 2020-12-19

Available Online: 2021-03-27

Publish Date: 2021-03-31

Abstract

Abstract

Objective Characteristics and damages brought about by the soft rot on Paris polyphylla Smith var. chinensis (Franch.) Hara and the pathogen that caused the disease were studied for positive identification and field control. Method Specimens of the diseased plant tissues were collected for isolation, purification, morphological examination, 16S rDNA gene sequencing, and pathogenicity determination of the pathogen. Result The diseased leaves, stems, and tubers on the plants were usually found in the fields where air circulation and water drainage were poor. At onset of the disease, water-soaked necrosis and pungent odor began to appear on the infected plant parts. Then the internal tissues started to break down and liquify. The morphological, molecular biological characteristics, and pathogenicity on the isolate showed the responsible pathogen to be Pectobacterium carowvorum. Conclusion The soft rot disease on P. polyphylla was determined to be infected by P. carowvorum under poorly ventilated surrounding and inadequately drained soil in the field where the plants were cultivated.
- Paris polyphylla Smith var. chinensis (Franch.) Hara,
- soft rot disease,
- pathogen identification,
- Pectobacterium carowvorum

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References(25)

References

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