The Plant Pathology Journal

The Korean Society of Plant Pathology (한국식물병리학회)
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Outbreak of Rice Panicle Blast in Jeonbuk Province of Korea in 2021

  • Hyunjung, Chung (Crop Foundation Research Division, National Institute of Crop Science, Rural Development Administration) ;
  • Woo-Il, Lee (Disaster Management Division, Extension Service Bureau, Rural Development Administration) ;
  • Soo Yeon, Choi (Crop Foundation Research Division, National Institute of Crop Science, Rural Development Administration) ;
  • Nak-Jung, Choi (Crop Foundation Research Division, National Institute of Crop Science, Rural Development Administration) ;
  • Sang-Min, Kim (Crop Foundation Research Division, National Institute of Crop Science, Rural Development Administration) ;
  • Ju-Yeon, Yoon (Department of Plant Protection and Quarantine, Graduate School of Plant Protection and Quarantine, Jeonbuk National University) ;
  • Bong Choon, Lee (Crop Protection Division, National Institute of Agricultural Sciences, Rural Development Administration)
  • Received : 2022.07.29
  • Accepted : 2022.12.15
  • Published : 2023.02.01
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Abstract

Rice panicle blast is one of the most serious diseases threatening stable rice production by causing severe damage to rice yields and quality. The disease is easy to occur under low air temperature and frequent heavy rainfall during the heading season of rice. In 2021, a rice panicle blast severely occurred in the Jeonbuk province of Korea. The incidence area of panicle blast accounted for 27.7% of the rice cultivation area of Jeonbuk province in 2021, which was 13.7-times higher than in 2019 and 2.6-times higher than in 2020. This study evaluated the incidence areas of rice panicle blast in each region of Jeonbuk province in 2021. The weather conditions during the heading season of rice, mainly cultivated rice cultivars, and the race diversity of the Jeonbuk isolates were also investigated. It will provide important information for the effective control of the rice panicle blast.

Keywords

Acknowledgement

This study was supported by the "Cooperative Research Program for Agriculture Science & Technology Development (Project No. PJ01447001)", Rural Development Administration, Republic of Korea.

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