The Korean Journal of Pesticide Science (농약과학회지)

The Korean Society of Pesticide Science (한국농약과학회)
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Analysis of Control Efficacy of Bacterial Fruit Blotch Caused by Acidovorax avenae subsp. citrulli in Recent Issues

최근 문제시 되는 수박 과일썩음병에 대한 방제효과 분석

  • Back, Chang-Gi (Horticultural and Herbal Crop Environment Division, National Institute of Horticultural and Herbal Science, RDA) ;
  • Lee, Sung-Chan (Protected horticulture Research Institute, National Institute of Horticultural and Herbal Science, RDA) ;
  • Park, Mi-Jeoung (Horticultural and Herbal Crop Environment Division, National Institute of Horticultural and Herbal Science, RDA) ;
  • Han, Kyung-Sook (Horticultural and Herbal Crop Environment Division, National Institute of Horticultural and Herbal Science, RDA) ;
  • Kim, Hong-Ki (Department of Applied Biology, Chonnam National University) ;
  • Lee, Yoon-Su (Department of Applied Plant Sciences, Kangwon National University) ;
  • Park, Jong-Han (Horticultural and Herbal Crop Environment Division, National Institute of Horticultural and Herbal Science, RDA)
  • 백창기 (농촌진흥청 국립원예특작과학원 원예특작환경과) ;
  • 이성찬 (농촌진흥청 국립원예특작과학원 시설원예연구소) ;
  • 박미정 (농촌진흥청 국립원예특작과학원 원예특작환경과) ;
  • 한경숙 (농촌진흥청 국립원예특작과학원 원예특작환경과) ;
  • 김홍기 (충남대학교 응용생물학과) ;
  • 이윤수 (강원대학교 식물자원응용공학과) ;
  • 박종한 (농촌진흥청 국립원예특작과학원 원예특작환경과)
  • Received : 2016.01.14
  • Accepted : 2016.03.13
  • Published : 2016.03.31
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Abstract

Bacterial fruit blotch (BFB) caused by Acidovorax avenae subsp. citrulli is defective disease to watermelon cultivated areas. To control of BFB, we investigated control efficiency to use commercial antibacterial pesticides. Growth inhibition zone on medium were formed as oxolinic acid WP and oxytetracycline WP. Control efficacy of four anti-bacterial pesticides on seed and seedling stage were performed. As a results, oxytetracyclin WP is shown over 90% control efficiency on seed and acibenzolar-S-methyl + mancozeb WP shown over 90% control efficiency on seedling stage Hot-water treatment method could be possible to reduced infection rate on seed. The conditions of hot-water treatments are $50{\sim}55^{\circ}C$ on 20~30 minutes. These results suggested that the methods were helpful watermelon seedling nursery to control of the bacterial fruit blotch by A. avenae subsp. citrulli.

Acidovorax avenae subsp. citrulli에 의해 발생하는 수박 과일썩음병은 수박재배지역에 문제병해이다. 수박 과일썩음병 방제를 위해 시판되는 살세균제로 방제효과 조사하였다. 고체배지를 이용한 생장억제효과를 검정한 결과, 옥솔린산 수화제, 옥시테트라사이클린 수화제 등에서 과일썩음병균 생장억제효과가 나타났다. 총 4종의 살세균제를 사용하여 종자침지, 유묘기에 발생한 수박 과일썩음병 방제효과를 검정한 결과, 종자침지에서는 옥시테트라사이클린 수화제가 90% 이상의 방제효과를 보였고, 유묘기에 발생한 수박 과일썩음병 방제에는 아시벤졸라-에스-메틸+만코제브 수화제가 90% 이상의 방제효과를 보였다. 온탕침지 처리법으로도 병든 수박종자에 발생하는 수박 과일썩음병 감염율을 효과적으로 낮출 수 있는데, 그 처리조건은 $50{\sim}55^{\circ}C$에서 20~30분간 처리하는 것이다. 이러한 결과들은 수박재배농가와 육묘재배인이 사용 가능한 방법으로 수박 과일썩음병의 효율적인 방제법이 확립되는데 도움이 될 것으로 판단된다.

Keywords

References

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