Research in Plant Disease (식물병연구)

The Korean Society of Plant Pathology (한국식물병리학회)
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Investigation on the Management Status of Pear and Apple Orchards Where Fire Blight Disease Was Partially Controlled in Korea

국내 과수화상병을 부분 방제한 배와 사과 과원의 관리 현황 조사

  • Jun Woo Cho (Department of Microbiology, School of Life Sciences, Dankook University) ;
  • Eunjung Roh (Crop Protection Division, National Institute of Agricultural Science, Rural Development Administration) ;
  • Yong Hwan Lee (Crop Protection Division, National Institute of Agricultural Science, Rural Development Administration) ;
  • Seong Hwan Kim (Department of Microbiology, School of Life Sciences, Dankook University)
  • 조준우 (단국대학교 생명과학부 미생물학전공) ;
  • 노은정 (농촌진흥청 국립농업과학원 작물보호과) ;
  • 이용환 (농촌진흥청 국립농업과학원 작물보호과) ;
  • 김성환 (단국대학교 생명과학부 미생물학전공)
  • Received : 2023.09.11
  • Accepted : 2023.09.19
  • Published : 2023.09.30
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Abstract

Recently, the domestic plant disease control policy for fire blight has been implemented partial control in addition to burial control. In this study, an on-site management survey was conducted targeting orchards that implemented partial disease control from 2019 to 2020 in order to find efficient implementation methods for partial disease control. As a result of an investigation into 22 pear and apple orchards in Cheonan and Chungju, 7 orchards were buried. The upper part of the cut infected plants was burned at 16 orchards and covered with plastic vinyl after lime treatment at 6 orchards. The lower stumps of cut infected plants were burned at 7 orchards and covered with plastic vinyl after lime treatment at 15 orchards. There were two orchards where suckers appeared on the stumps even though covers were applied. There was no infection by Erwinia amylovora in the suckers. The conservation condition of lime treatment was good, but warning signs were absent at 6 orchards. Most orchards treated the stumps and surrounding areas with glyphosate-isopropylamine herbicide. The effect of partial control was judged to be safe.

최근 국내의 과수화상병 방제 정책이 매몰 방제에서 더하여 부분적 방제가 시행되고 있다. 본 연구는 부분방제의 효율적 추진을 모색하고자 2019년에서 2020년 사이 부분 방제를 시행된 과원에 대한 현장 관리상태 조사를 수행하였다. 천안과 충주지역 소재 22곳 배와 사과 과원 대한 조사 결과 7개 과원이 매몰하였다. 절단한 감염주의 상부를 태운 과원은 16곳, 석회처리 후 커버를 씌운 과원은 6곳이었다. 절단한 감염주의 하부 그루터기를 태운 과원은 7곳, 커버를 씌운 과원은 15곳이었다. 커버를 씌웠어도 그루터기에 맹아가 발생한 과원은 2곳이었다. 맹아에 화상병균 감염은 없었다. 석회처리 상태는 양호하였으나 경고 표지판이 부재한 곳이 6곳이었다. 대부분 과원이 그루터기와 주변에 glyphosate-isopropylamine 제초제를 처리하였다. 부분방제의 처리 결과는 대체로 안전한 것으로 판단되었다.

Keywords

Acknowledgement

This work was carried out with the support of «Cooperative Research Program for Agriculture Science & Technology Development (Project No. PJ016242)», RDA, Republic of Korea.

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