Research in Plant Disease (식물병연구)

The Korean Society of Plant Pathology (한국식물병리학회)
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Bacterial Fruit Blotch of Melon Caused by Acidovorax avenae subsp. citrulli

Acidovorax avenae subsp. citrulli에 의한 멜론 과실썩음병

  • Seo, Sang-Tae (Horticultural Environment Division, National Horticultural Research Institute, Rural Development Administration) ;
  • Park, Jong-Han (Horticultural Environment Division, National Horticultural Research Institute, Rural Development Administration) ;
  • Lee, Jung-Sup (Horticultural Environment Division, National Horticultural Research Institute, Rural Development Administration) ;
  • Han, Kyoung-Suk (Horticultural Environment Division, National Horticultural Research Institute, Rural Development Administration) ;
  • Cheong, Seung-Ryong (Horticultural Environment Division, National Horticultural Research Institute, Rural Development Administration)
  • Published : 2006.12.01
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Abstract

In September and October 2005, melons(Cucumis melo L.) from the commercial greenhouses in Naju and Gwangju exhibited severe foliar necrosis and fruit rot. Leaf symptoms initially appeared as V-shaped, necrotic lesions and extending to the midrib. Symptoms on the fruit were occurred randomly as necrotic and sunken spots. Two isolates from diseased leaves and fruits were identified as Acidovorax avenae subsp. citrulli on the basis of bacteriological and genetic characteristics. Pathogenicity of the isolates was confirmed by inoculating on 3-week-old melon and cucumber seedlings. This is the first report of bacterial fruit blotch of melon in Korea.

2005년 전남 나주와 광주의 멜론 재배포장에서 잎맥을 따라 갈색으로 변색되면서 시드는 증상이 관찰되었고, 과실 표면에는 점무늬의 수침상이 형성되며 과실 내부는 갈색으로 썩는 증상이 관찰되었다. 잎과 과실의 병반부로부터 2개의 세균을 분리하여 생리생화학적 실험, 유전적 실험 및 병원성 실험 결과 Acidovorax avenae subsp. citrulli로 동정되었다. 이 보고는 국내에서 최초이며, 이 병을 멜론 과실썩음병으로 명명할 것을 제안한다.

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References

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  1. Genetic Characteristics of Acidovorax citrulli Population Causing Bacterial Fruit Blotch against Cucurbits in Korea vol.21, pp.2, 2015, https://doi.org/10.5423/RPD.2015.21.2.082
  2. Development of Nested-PCR Assay to Detect Acidovorax citrulli, a Causal Agent of Bacterial Fruit Blotch at Cucurbitaceae vol.21, pp.2, 2015, https://doi.org/10.5423/RPD.2015.21.2.074
  3. Development of an Efficient Simple Mass-Screening Method for Resistant Melon to Fusarium oxysporum f. sp. melonis vol.21, pp.3, 2015, https://doi.org/10.5423/RPD.2015.21.3.201
  4. Analysis of Control Efficacy of Bacterial Fruit Blotch Caused by Acidovorax avenae subsp. citrulli in Recent Issues vol.20, pp.1, 2016, https://doi.org/10.7585/kjps.2016.20.1.41