The Korean Journal of Mycology (한국균학회지)

The Korean Society of Mycology (한국균학회)
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First Report of Anthracnose Caused by Colletotrichum nymphaeae on Strawberry Fruits in Korea

  • Je Hyeok Yoo (Strawberry Research Institute, Chungnam ARES) ;
  • Myung Soo Park (Department of Crops and Forestry, Korea National University of Agriculture and Fisheries) ;
  • Doo Hee Yi (Strawberry Research Institute, Chungnam ARES) ;
  • Myeong Hyeon Nam (Industrial Entomology Research Institute, Chungnam ARES)
  • Received : 2024.05.14
  • Accepted : 2024.06.10
  • Published : 2024.06.30
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Abstract

Anthracnose fruit rot (AFR) has been observed in greenhouses during the harvesting period in the Chungnam Province of South Korea. Fruits infected inside the greenhouse show black or brown spots, orange conidial masses and in some areas of the infected parts, white fungal growths are visible. The size of these spots gradually expands, leading to the necrosis of the fruits and flowers. Three isolates were obtained from infected fruits and identified as strains of the Colletotrichum acutatum species complex based on morphological characteristics. Multilocus sequence analysis of actin, chitin synthase, glyceraldehyde-3-phosphate dehydrogenase genes, and internal transcribed spacer rDNA regions revealed that the isolates belong to a monophyletic group with the type strain of C. nymphaeae. This is the first time C. nymphaeae has been confirmed in strawberry fruit in Korea.

Keywords

Acknowledgement

This study was funded by a grant under the Rural Development Administration (Project No. PJ01533202).

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