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KMID : 0379120210490010119
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Korean Journal of Mycology
2021 Volume.49 No. 1 p.119 ~ p.125
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Pucciniastrum hydrangeae-petiolaris , a Newly Found Rust Fungus on Hydrangea petiolaris in Korea
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Lee Jae-Sung
Choi Young-Joon
Choi Byoung-Ki
Jung Bok-Nam
Park Ji-Hyun
Shin Hyeon-Dong
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Abstract
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Hydrangea petiolaris, belonging to the family Hydrangeaceae, is a vine plant distributed in Ulleung, Jeju, and other southern islands of Korea. In October 2017, a rust fungus was discovered on H. petiolaris in Jeju Island, Korea. To identify the rust fungus, we performed a morphological examination and molecular phylogenetic analysis of the internal transcribed spacer and 28S large subunit rDNA sequences. As a result, the fungus was identified as Pucciniastrum hydrangeae-petiolaris, consistent with previous reports from Japan and Russia, but showed a significant phylogenetic distance from Pucciniastrum hydrangeae reported on Hydrangeae spp. in North America. This is the first record of P. hydrangeae-petiolaris on H. petiolaris in Korea.
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KEYWORD
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Identification, Phylogeny, Pucciniastraceae, Pucciniastrum hydrangeae, SEM
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