Korean Journal of Agricultural Science (농업과학연구)

Institute of Agricultural Science, CNU (충남대학교 농업과학연구소)
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Occurrence of black shoot blight in apple and pear trees in Korea

  • Mi-Hyun Lee (Crop Protection Division, National Institute of Agricultural Sciences) ;
  • Yong Hwan Lee (Crop Protection Division, National Institute of Agricultural Sciences) ;
  • Seong Chan Lee (Horticultural and Herbal Environment Division, National Institute of Horticultural and Herbal Science) ;
  • Hyo-Won Choi (Disaster Management Division, Rural Development Administration) ;
  • Mi-Suk Yang (Disaster Management Division, Rural Development Administration) ;
  • Jae Sun Moon (Plant System Engineering Research Center, Korea Research Institute of Bioscience and Biotechnology) ;
  • Suk-Yoon Kwon (Plant System Engineering Research Center, Korea Research Institute of Bioscience and Biotechnology) ;
  • Jun Myoung Yu (Department of Applied Biology, Chungnam National University)
  • Received : 2023.10.04
  • Accepted : 2023.10.23
  • Published : 2023.12.01
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Abstract

Erwinia pyrifoliae, which causes black shoot blight in apple and pear trees, was first identified in Korea in 1995. Extensive measures are typically used to control the disease by eradicating trees in diagnosed orchards, owing to the detrimental impact of the disease on apple and pear production. However, despite governmental efforts, the disease has continuously spread. In this study, we analyzed the current status of the black shoot blight occurrence in apple and pear orchards between 1995 to 2022. Our findings reveal that over the past 28 years, black shoot blight has occurred in 26 cities and districts across five Korean provinces. The affected regions are predominantly concentrated in the northern part of Korea, including the Gangwon and Gyeonggi provinces. Furthermore, black shoot blight has gradually expanded to the northern provincial regions of Chungbuk, Chungnam, and Gyeongbuk, which are centrally situated in Korea. Furthermore, the occurrence pattern of black shoot blight differed between apple and pear orchards; in apple orchards, black shoot blight occurred consistently each year, with a sudden increase in cases in 2020; however, in pear orchards, it has considerably decreased since 2007. To the best of our knowledge, this is the first comprehensive report on the occurrence of black shoot blight in apple and pear trees in 28 years, and the results will provide valuable insights for future disease management strategies.

Keywords

Acknowledgement

과수가지검은마름병 사진을 제공해주신 조병주 박사님께 감사드립니다. 본 연구는 농촌진흥청 아젠다 사업 (과제번호: PJ015594)의 지원에 의해 수행되었다.

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