The Plant Pathology Journal

한국식물병리학회 (The Korean Society of Plant Pathology)
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Isolation and Identification of Colletorichum musae from Imported Bananas

  • Lim, Jin-Young (Department of Agricultural Biology, Chungbuk National University) ;
  • Lim, Tae-Heon (Department of Agricultural Biology, Chungbuk National University) ;
  • Cha, Byeong-Jin (Department of Agricultural Biology, Chungbuk National University)
  • 발행 : 2002.06.01
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초록

Colletotrichum musae was isolated from dark-brown anthracnose lesions on commercial banana (Musa sapientum L.) to establish the causal agent of the symptom. The fungus grew fast and produced white aerial mycelium on PDA. Acervuli developed abundantly on culture plates after incubation for 10 days at $25^{\circ}C$. Pinkish conidial masses were produced on the acervuli, which mostly coalesced together, Conidia were aseptate, hyaline, straight, ellipsoid to globose, and 14.5$\times$6.9 $\mu\textrm{m}$ in size. Black, clavate, round, or irregular-shaped appressoria measuring 8.8$\times$6.8 $\mu\textrm{m}$ were readily formed from germ tubes. Setae-like structures were not found either on the lesion or on the cultures. Sclerotia were also absent. Among the media, PDA medium was the best for mycelial growth. The optimum temperature for mycelial growth was $28^{\circ}C$, while the optimum pH ranged from pH 5.5 to 6.5. The isolates of C musae caused black necrotic lesions on banana fruits by needle-wound inoculation, and orange-colored spore masses were produced on the lesions. The fungus also caused discoloration on apple fruits inoculated.

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참고문헌

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  2. First morphogenetic identification of the fungal pathogen Colletotrichum musae (Phyllachoraceae) from imported bananas in Saudi Arabia vol.9, pp.4, 2010, https://doi.org/10.4238/vol9-4gmr972
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