Mycobiology.
2017 Jun;45(2):114-118. 10.5941/MYCO.2017.45.2.114.
Identification and Characterization of Cercospora malayensis Causing Leaf Spot on Kenaf
- Affiliations
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- 1Department of Physical Medicine and Rehabilitation, Chonbuk National University Medical School, Jeonju 54896, Korea.
- 2Jeollabuk-do Agricultural Research and Extension Services, Iksan 54591, Korea. choiiy21@korea.kr
- 3Department of Agricultural Biology, Chonbuk National University, Jeonju 54896, Korea.
- 4Division of Biotechnology, College of Environmental and Bioresource Sciences, Chonbuk National University, Iksan 54596, Korea.
- 5School of Agriculture and Food Sciences, The University of Queensland, Queensland 4343, Australia.
- 6Division of Environmental Science and Ecological Engineering, Korea University, Seoul 02841, Korea. hdshin@korea.ac.kr
- KMID: 2385661
- DOI: http://doi.org/10.5941/MYCO.2017.45.2.114
Abstract
- In September 2013 and 2014, a significant number of kenaf plants showing symptoms of leaf spots with approximately 50% incidence were found in experimental plots in Iksan and Namwon, Korea. Leaf spots were circular to irregular, more or less vein-limited, reaching to 10 mm in diameter. The spots were initially uniformly brown to reddish brown, turning pale brown with a purplish margin and showing grayish patches on the lesion due to heavy fructification. The causative agent of the leaf spot disease was identified as Cercospora malayensis. The pathogenicity test was conducted with similar results, which fulfilled Koch's postulates. This is the first report of C. malayensis infection of kenaf in Korea.
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