Chung Hyunjung, Lee Woo-Il, Choi Soo Yeon, Choi Nak-Jung, Kim Sang-Min, Yoon Ju-Yeon, Lee Bong Choon
Crop Foundation Research Division, National Institute of Crop Science, Rural Development Administration, Wanju 55365, Korea.
Disaster Management Division, Extension Service Bureau, Rural Development Administration, Jeonju 54875, Korea.
Plant Pathol J. 2023 Feb;39(1):136-140. doi: 10.5423/PPJ.NT.07.2022.0103. Epub 2023 Feb 1.
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.
水稻穗颈瘟是威胁水稻稳定生产的最严重病害之一，会对水稻产量和品质造成严重损害。在水稻抽穗期，该病在低温和频繁强降雨条件下容易发生。2021年，韩国全罗北道严重发生了水稻穗颈瘟。2021年，穗颈瘟发病面积占全罗北道水稻种植面积的27.7%，是2019年的13.7倍，是2020年的2.6倍。本研究评估了2021年全罗北道各地区水稻穗颈瘟的发病面积。还调查了水稻抽穗期的天气状况、主要种植的水稻品种以及全罗北道分离株的小种多样性。这将为有效防治水稻穗颈瘟提供重要信息。
