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KMID : 0379120190470040443
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Korean Journal of Mycology
2019 Volume.47 No. 4 p.443 ~ p.446
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Occurrence of Phytopythium vexans Causing Stem Rot on Anthurium andraeanum in Korea
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Park Mi-Jeong
Back Chang-Gi
Park Jong-Han
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Abstract
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In 2017, wilting symptom was observed on seedlings of Anthurium andraeranum in Youngin, Korea. Brownish lesions with water soaking were developed on the stems and roots of the infected plants. The stems and leaves wilted and finally died. One fungal isolate was obtained in pure culture. Morphological features and nucleotide sequences of internal transcribed spacer rDNA and cytochrome oxidase subunit II mt DNA were analyzed. The results of this study indicated that the fungus is identified as Phytopythium vexans. Pathogenicity tests showed the isolate was pathogenic to the seedlings of A. andraeanum. To our knowledge, this is the first report of P. vexans causing stem rot on A. andraeanum in Korea.
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KEYWORD
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Anthurium andraeanum, cytochrome oxidase subunit 2, Phytopythium vexans, Stem rot
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