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July 30, 2026Plant Disease

First report of bacterial dieback of rice caused by Pantoea anthophila in Guangxi, China

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Authors

ZZZhiheng ZhangJWJingjue WangDHDongkang Han

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Overview

Randomized trial demonstrates pathogenicity of Pantoea anthophila on rice seedlings, indicating potential threats to rice production.

Key Points

  • This study aims to identify and characterize the bacterial pathogen causing dieback in rice in Guangxi, China.
  • Rice seedlings infected with Pantoea anthophila were inoculated using the leaf-clipping method.
  • Inoculations were performed at a concentration of 1 × 10^6 CFU/mL in 10 mM MgCl2.
  • Bacterial isolation and characterization included 16S rRNA gene sequencing and whole-genome analysis.
  • 90% disease incidence observed in affected fields.
  • Pantoea anthophila was confirmed as the causal agent through Koch's postulates.
  • Symptoms reproduced in inoculated plants after 7 days, mirroring field observations.

Cite This Study

Zhang et al. (2026) studied this question.

synapsesocial.com/papers/6a6af51160e2b924d3ea0bfahttps://doi.org/10.1094/pdis-04-26-0825-pdn
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Also Consider

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