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June 20, 2026Plant Disease

First Report of Rice Bacterial Leaf Blight Caused by Pantoea ananatis in South Korea

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Authors

OCOkhee ChoiMKMinjae KangJLJunggyu Lee

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Overview

Randomized trial demonstrates the presence of Pantoea ananatis causing rice leaf blight in South Korea, suggesting a new agricultural threat.

Key Points

  • To identify and confirm the presence of Pantoea ananatis causing bacterial leaf blight in rice in South Korea.
  • Observed symptoms of leaf blight in Goseong and Changwon regions.
  • Isolated bacteria using trypticase soy agar, followed by 16S rRNA and cpn60 gene sequencing.
  • Conducted pathogenicity tests on rice seedlings with bacterial inoculation.
  • Over 70% disease rate observed in rice fields in both regions.
  • P. ananatis identified using 16S rRNA and cpn60 sequencing with high similarity to known type strains.
  • Water-soaked lesions observed on inoculated rice tips 5 days post-inoculation.

Cite This Study

Choi et al. (2026) studied this question.

synapsesocial.com/papers/6a362f63db0793dc1a536d14https://doi.org/10.1094/pdis-05-26-0866-pdn
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Also Consider

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