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KMID : 1160220120400030214
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Mycobiology
2012 Volume.40 No. 3 p.214 ~ p.216
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Soft Rot of Rhizopus oryzae as a Postharvest Pathogen of Banana Fruit in Korea
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Kwon Jin-Hyeuk
Ryu Jae-San
Chi Tran Thi Phuong
Shen Shun-Shan
Choi Ok-Hee
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Abstract
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Soft rot on banana fruit caused by Rhizopus oryzae was identified for the first time in Korea. Colonies were white to light brown and formed numerous sporangiospores. Optimum temperature for mycelial growth was 30oC. Sporangia were globose and 30~200 μm. Sporangiophores were usually straight, 8~20 μm, and rhizoids usually in groups of 3~5. Columella were globose to sub-globose and 90~110 μm. Sporangiospores were sub-globose or oval and 4~10 μm. Based on its mycological characteristics,molecular analysis, and pathogenicity to host plants, this fungus was identified as Rhizopus oryzae Went & Prisen Geerligs. This is the first report of soft rot on banana caused by Rhizopus oryzae in Korea.
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KEYWORD
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Banana, Postharvest disease, Rhizopus oryzae, Soft rot
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