Rhizopus Soft Rot on Lily Caused by Rhizopus oryzae in Korea

Rhizopus soft rot of lily (Lilium longiflorum) caused by Rhizopus oryzae was observed in the experimental field in Taean Lily Experiment Station in Korea, 2012. The typical symptoms were water-soaked lesions on bottom stem and leaf rot. The lesion rapidly expanded and the plant was softened totall...

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Main Authors: Soo-Sang Hahm, Gye-Wan Hong, Byung-Ryun Kim, Kwangseop Han, Takyong Choi, Yungyu Nam, Seunghun Yu
Format: Article
Language:English
Published: Hanrimwon Publishing Company 2014-03-01
Series:Research in Plant Disease
Subjects:
Online Access:http://www.online-rpd.org/journal/view.html?uid=32&sort=&scale=&key=year&keyword=&s_v=20&s_n=1&pn=vol&year=2014&vmd=Full
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author Soo-Sang Hahm
Gye-Wan Hong
Byung-Ryun Kim
Kwangseop Han
Takyong Choi
Yungyu Nam
Seunghun Yu
author_facet Soo-Sang Hahm
Gye-Wan Hong
Byung-Ryun Kim
Kwangseop Han
Takyong Choi
Yungyu Nam
Seunghun Yu
author_sort Soo-Sang Hahm
collection DOAJ
description Rhizopus soft rot of lily (Lilium longiflorum) caused by Rhizopus oryzae was observed in the experimental field in Taean Lily Experiment Station in Korea, 2012. The typical symptoms were water-soaked lesions on bottom stem and leaf rot. The lesion rapidly expanded and the plant was softened totally. The fungus grew vigorously at an optimum temperature (25oC) and brownish colony and black sporangia were formed on potato dextrose agar medium. Sporangiophores formed on end of sporangia were sub-globose, brownish and 6-10 μm in size. Sporangia were globose, blackish and 87-116 μm in size. Sporangiospores were irregularly oval and sub-globose, brownish 4-8 μm in size. On the basis of mycological characteristics, analyzing sequences of internal transcribed spacer region of ribosomal DNA, and pathogenicity test on host plants, the causal fungus was identified as R. oryzae. This is the first report of Rhizopus soft rot on lily caused by R. oryzae in Korea.
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spelling doaj.art-0a59945d75eb4c379813f7751c041a282022-12-21T17:15:13ZengHanrimwon Publishing CompanyResearch in Plant Disease1598-22622233-91912014-03-012015053http://dx.doi.org/10.5423/RPD.2014.20.1.050Rhizopus Soft Rot on Lily Caused by Rhizopus oryzae in KoreaSoo-Sang Hahm0Gye-Wan Hong1Byung-Ryun Kim2Kwangseop Han3Takyong Choi4Yungyu Nam5Seunghun Yu6Chungnam Agricultural Research and Extension Services,koreaChungnam Agricultural Research and Extension Services,koreaChungnam Agricultural Research and Extension Services,koreaChungnam Agricultural Research and Extension Services,koreaChungnam Agricultural Research and Extension Services,koreaChungnam Agricultural Research and Extension Services,koreaChungnam National University, Daejeon 305-764, KoreaRhizopus soft rot of lily (Lilium longiflorum) caused by Rhizopus oryzae was observed in the experimental field in Taean Lily Experiment Station in Korea, 2012. The typical symptoms were water-soaked lesions on bottom stem and leaf rot. The lesion rapidly expanded and the plant was softened totally. The fungus grew vigorously at an optimum temperature (25oC) and brownish colony and black sporangia were formed on potato dextrose agar medium. Sporangiophores formed on end of sporangia were sub-globose, brownish and 6-10 μm in size. Sporangia were globose, blackish and 87-116 μm in size. Sporangiospores were irregularly oval and sub-globose, brownish 4-8 μm in size. On the basis of mycological characteristics, analyzing sequences of internal transcribed spacer region of ribosomal DNA, and pathogenicity test on host plants, the causal fungus was identified as R. oryzae. This is the first report of Rhizopus soft rot on lily caused by R. oryzae in Korea.http://www.online-rpd.org/journal/view.html?uid=32&sort=&scale=&key=year&keyword=&s_v=20&s_n=1&pn=vol&year=2014&vmd=FullLilyLilium longiflorumRhizopus soft rot
spellingShingle Soo-Sang Hahm
Gye-Wan Hong
Byung-Ryun Kim
Kwangseop Han
Takyong Choi
Yungyu Nam
Seunghun Yu
Rhizopus Soft Rot on Lily Caused by Rhizopus oryzae in Korea
Research in Plant Disease
Lily
Lilium longiflorum
Rhizopus soft rot
title Rhizopus Soft Rot on Lily Caused by Rhizopus oryzae in Korea
title_full Rhizopus Soft Rot on Lily Caused by Rhizopus oryzae in Korea
title_fullStr Rhizopus Soft Rot on Lily Caused by Rhizopus oryzae in Korea
title_full_unstemmed Rhizopus Soft Rot on Lily Caused by Rhizopus oryzae in Korea
title_short Rhizopus Soft Rot on Lily Caused by Rhizopus oryzae in Korea
title_sort rhizopus soft rot on lily caused by rhizopus oryzae in korea
topic Lily
Lilium longiflorum
Rhizopus soft rot
url http://www.online-rpd.org/journal/view.html?uid=32&sort=&scale=&key=year&keyword=&s_v=20&s_n=1&pn=vol&year=2014&vmd=Full
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