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KMID : 0379120170450010054
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Korean Journal of Mycology
2017 Volume.45 No. 1 p.54 ~ p.62
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First Report of Fruit Rot Caused by Fusarium decemcellulare in Apples in Korea
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Lee Seung-Yeol
Park Su-Jin
Lee Jae-Jin
Back Chang-Gi
Ten Leonid N.
Kang In-Kyu
Jung Hee-Young
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Abstract
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In 2014, abnormal brown spots were observed on Hongro apples in fields in Gyeongsangbuk-do Province and during low-temperature storage. The spots were round, blight brown, and different from the symptoms of previously reported apple diseases. A fungal pathogen was isolated and cultured on potato dextrose agar, and it was morphologically similar to . A pathogenicity test showed the same brown spots on both wounded and unwounded Hongro and Fuji apple cultivars. RPB1 and RPB2 sequences of F. KNU-GC01 matched with those of F. NRRL 13412 (98.3% and 97.6% similarities, respectively); both strains clustered together in the phylogenetic tree, indicating their close relationship at the species level. Therefore, F. is a newly reported pathogen that causes brown spots on apples in Korea.
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KEYWORD
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Apple fruit, Brown spot, Cultivar Fuji, Cultivar Hongro, Fusarium decemcellulare
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