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Post-harvest anthracnose of papaya caused by Colletotrichum truncatum in Korea

Authors
  • Aktaruzzaman, Md.1, 2
  • Afroz, Tania3
  • Lee, Young-Gyu2
  • Kim, Byung-Sup3
  • 1 Gangneung-Wonju National University, East Coast Life Science Institute, Gangneung, 25457, Republic of Korea , Gangneung (South Korea)
  • 2 National Institute of Crop Science, Highland Agriculture Research Institute, Rural Development Administration, Daegwallyeong, Pyeongchang, 25342, Republic of Korea , Pyeongchang (South Korea)
  • 3 Gangneung-Wonju National University, Department of Plant Science, Gangneung, 25457, Republic of Korea , Gangneung (South Korea)
Type
Published Article
Journal
European Journal of Plant Pathology
Publisher
Springer-Verlag
Publication Date
Jun 23, 2017
Volume
150
Issue
1
Pages
259–265
Identifiers
DOI: 10.1007/s10658-017-1265-y
Source
Springer Nature
Keywords
License
Yellow

Abstract

In October 2016, we collected samples of post-harvest anthracnose of papaya from Gangneung, Gangwon Province, Korea. Infected fruits first showed tiny light brown spots on their surface followed by development of sunken water-soaked lesions with black acervuli. Fungal pathogen was isolated from the infected fruits and cultured on potato dextrose agar (PDA) and synthetic nutrient agar (SNA) medium. For identification of the fungus, morphological assessment and sequencing analysis of 5.8S ribosomal DNA (ITS-5.8S rDNA) and three protein-coding genes: actin (ACT), chitin synthase I (CHS-1), and glyceraldehyde-3-phosphate dehydrogenase (G3PDH) were performed. Pathogenicity of the fungal isolate was confirmed according to Koch’s postulates. The results of morphological examination, pathogenicity tests, and the ITS-5.8S rDNA, ACT, CHS-1, and G3PDH sequences confirmed Colletotrichum truncatum as the causal agent. This study provides news information about C. truncatum isolated from post-harvest papaya in Korea.

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