Mycobiology

The Korean Society of Mycology (한국균학회)
권호 표지
DOI QR코드

DOI QR Code

First Report of Fusarium subglutinans Causing Leaf Spot Disease on Cymbidium Orchids in Korea

  • Han, Kyung-Sook (Horticultural and Herbal Crop Environment Division, National Institute of Horticultural and Herbal Science, Rural Development Administration) ;
  • Park, Jong-Han (Horticultural and Herbal Crop Environment Division, National Institute of Horticultural and Herbal Science, Rural Development Administration) ;
  • Back, Chang-Gi (Horticultural and Herbal Crop Environment Division, National Institute of Horticultural and Herbal Science, Rural Development Administration) ;
  • Park, Mi-Jeong (Horticultural and Herbal Crop Environment Division, National Institute of Horticultural and Herbal Science, Rural Development Administration)
  • Received : 2015.03.13
  • Accepted : 2015.06.29
  • Published : 2015.09.30
Download PDF
⟨ Previous Next ⟩

Abstract

In 2006~2010, leaf spot symptoms, that is, small, yellow spots that turned into dark brown-to-black lesions surrounded by a yellow halo, were observed on Cymbidium spp. in Gongju, Taean, and Gapyeong in Korea. A Fusarium species was continuously isolated from symptomatic leaves; in pathogenicity testing, isolates caused leaf spot symptoms consisting of sunken, dark brown lesions similar to the original ones. The causal pathogen was identified as Fusarium subglutinans based on morphological and translation elongation factor 1-alpha sequence analyses. This is the first report of F. subglutinans as the cause of leaf spot disease in Cymbidium spp. in Korea.

Keywords

References

  1. Lee YM, Kim MS, Lee SI, Kim JB. Review on breeding, tissue culture and genetic transformation systems in Cymbidium. J Plant Biotechnol 2010;37:357-69. https://doi.org/10.5010/JPB.2010.37.4.357
  2. Ministry for Food, Agriculture, Forestry and Fisheries. The present status of cultivation in flower crops. Gwacheon: Ministry for Food, Agriculture, Forestry and Fisheries; 2010.
  3. Samson RA, Hoekstra ES, Frisvad JC. Introduction to foodand airborne fungi. 7th ed. Utrecht: Centraalbureau voor Schimmelcultures; 2004.
  4. O'Donnell K, Kistler HC, Cigelnik E, Ploetz RC. Multiple evolutionary origins of the fungus causing Panama disease of banana: concordant evidence from nuclear and mitochondrial gene genealogies. Proc Natl Acad Sci U S A 1998;95:2044-9. https://doi.org/10.1073/pnas.95.5.2044
  5. Tamura K, Peterson D, Peterson N, Stecher G, Nei M, Kumar S. MEGA5: molecular evolutionary genetics analysis using maximum likelihood, evolutionary distance, and maximum parsimony methods. Mol Biol Evol 2011;28:2731-9. https://doi.org/10.1093/molbev/msr121
  6. Lee BD, Kim WG, Cho WD, Sung JM. Occurrence of dry rot on Cymbidium orchids caused by Fusarium spp. in Korea. Plant Pathol J 2002;18:156-60. https://doi.org/10.5423/PPJ.2002.18.3.156
  7. Broadhurst PG, Hartill WFT. Occurrence of Fusarium subglutinans on Cymbidium orchids in New Zealand. Plant Dis 1996;80:711.
  8. Ichikawa K, Aoki T. New leaf spot disease of Cymbidium species caused by Fusarium subglutinans and Fusarium proliferatum. J Gen Plant Pathol 2000;66:213-8. https://doi.org/10.1007/PL00012948