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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;Lee, Sung-Chan;Park, Mi-Jeoung;Han, Kyung-Sook;Kim, Hong-Ki;Lee, Yoon-Su;Park, Jong-Han
백창기;이성찬;박미정;한경숙;김홍기;이윤수;박종한

  • Received : 2016.01.14
  • Accepted : 2016.03.13
  • Published : 2016.03.31

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.

Keywords

Anti-bacterial pesticides;Bacterial fruit blotch;Control;Hot-water treatment

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Acknowledgement

Supported by : 농림수산식품부 농림수산기술기획평가원 GSP 채소종자사업단