Mycobiology.
2020 Oct;48(5):423-426. 10.1080/12298093.2020.1794215.
First Report of Gray Mold Disease on Endangered Species Cypripedium japonicum
- Affiliations
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- 1Division of Applied Life Science (BK21 Plus), Gyeongsang National University, Jinju, Republic of Korea
- 2Department of Plant Medicine and Institute of Agriculture & Life Sciences, Gyeongsang National University, Jinju, Republic of Korea
- 3Korea National Park Institute for Biodiversity Conservation, Gurye, Republic of Korea
- KMID: 2509091
- DOI: http://doi.org/10.1080/12298093.2020.1794215
Abstract
- Cypripedium japonicum is known to be the indigenous plant to Korea, Japan, and China. However, C. japonicum represents the most critically endangered plant species in South Korea. The plant is esthetically pleasing due to its flower, which is larger than any other orchidaceous species. Disease symptoms relating to gray mold were observed on C. japonicum in May 2019. The suspected pathogen was successfully isolated from the symptomatic leaf tissue and conducted a pure culture of the fungi. The conidia formed consisted of a colorless or light brown single cell, which was either egg or oval-shaped with a size of 7.1 to 13.4 × 5.2 to 8.6 μm. Molecular phylogenetic relationship analysis was also confirmed that the pathogen concerned belonging to the family of Botrytis cinerea. Therefore, the findings confirmed that the pathogen isolated from C. japonicum was consistent with the unique properties of B. cinerea.
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