Previously unreported symptom of bull’s-eye rot (Kigusare-byo) on apple fruits caused by Phlyctema vagabunda Desm

The incidence of small (mostly

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Veröffentlicht in:Japanese Journal of Phytopathology 2021/08/25, Vol.87(3), pp.133-145
Hauptverfasser: SATO, Y., HIRAYAMA, K., TODA, T., NARA, C., FURUYA, H.
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container_end_page 145
container_issue 3
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container_title Japanese Journal of Phytopathology
container_volume 87
creator SATO, Y.
HIRAYAMA, K.
TODA, T.
NARA, C.
FURUYA, H.
description The incidence of small (mostly
doi_str_mv 10.3186/jjphytopath.87.133
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A fungus was frequently isolated from these lesions. When nonwounded apples on trees were inoculated with the fungus, spots very similar to DCSs developed, and the fungus was reisolated from the spots. The fungus was identified as Phlyctema vagabunda Desm. [synonyms Neofabraea alba (E.J. Guthrie) Verkley, N. vagabunda (Desm.), G. album Osterw.] based on its morphological and molecular characteristics. These results clearly indicate that P. vagabunda can cause DCSs and suggest that P. vagabunda is responsible for the increased incidence of DCSs on apple fruits. Overseas, the fungus is known to cause bull’s-eye rot of apples and pears. To the best of our knowledge, there are no reports describing the DCS symptom on Fuji apples caused by P. vagabunda. The most frequently observed symptoms of bull’s-eye rot of apples are very similar to those of Kigusare-byo reported in Japan. P. vagabunda was also isolated from the lesions of Kigusare-byo during storage in this study and caused typical symptoms of Kigusare-byo on apple fruits. Therefore, Kigusare-byo is, at least partially, caused by P. vagabunda, and the DCSs can be considered as a symptom of Kigusare-byo, i.e., bull’s-eye rot in apples. Based on these results and observations, we recommend “bull’s-eye rot” as the English name for Kigusare-byo. Although Kigusare-byo or bull’s-eye rot has been considered primarily a storage disease characterized by large rot lesions, we found that it may occur on fruits before harvest.</description><identifier>ISSN: 0031-9473</identifier><identifier>EISSN: 1882-0484</identifier><identifier>DOI: 10.3186/jjphytopath.87.133</identifier><language>jpn</language><publisher>Tokyo: The Phytopathological Society of Japan</publisher><subject>apple fruit ; Apples ; bull’s-eye rot ; dark-colored spot ; Fruit rot ; Fruits ; Fungi ; Lesions ; Pears ; Phlyctema vagabunda ; Physical characteristics ; Signs and symptoms ; Storage diseases</subject><ispartof>Japanese Journal of Phytopathology, 2021/08/25, Vol.87(3), pp.133-145</ispartof><rights>2021 The Phytopathological Society of Japan</rights><rights>Copyright Japan Science and Technology Agency 2021</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c1828-59dd59231b6f1fc5b911a462b424aa06d4221a1b108731538e6a31d6e455fff63</citedby><cites>FETCH-LOGICAL-c1828-59dd59231b6f1fc5b911a462b424aa06d4221a1b108731538e6a31d6e455fff63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>SATO, Y.</creatorcontrib><creatorcontrib>HIRAYAMA, K.</creatorcontrib><creatorcontrib>TODA, T.</creatorcontrib><creatorcontrib>NARA, C.</creatorcontrib><creatorcontrib>FURUYA, H.</creatorcontrib><title>Previously unreported symptom of bull’s-eye rot (Kigusare-byo) on apple fruits caused by Phlyctema vagabunda Desm</title><title>Japanese Journal of Phytopathology</title><addtitle>Jpn. J. Phytopathol.</addtitle><description>The incidence of small (mostly &lt;5 mm in diameter), dark-colored lesions (DCSs: dark-colored spots) on apple fruits (e.g., cvs. Fuji, Gunma Meigetsu, Toki, Akita 19), mostly appearing from 3 weeks before harvest to 7 weeks after harvest has increased in Akita Prefecture and Aomori Prefecture in Japan since 2011. A fungus was frequently isolated from these lesions. When nonwounded apples on trees were inoculated with the fungus, spots very similar to DCSs developed, and the fungus was reisolated from the spots. The fungus was identified as Phlyctema vagabunda Desm. [synonyms Neofabraea alba (E.J. Guthrie) Verkley, N. vagabunda (Desm.), G. album Osterw.] based on its morphological and molecular characteristics. These results clearly indicate that P. vagabunda can cause DCSs and suggest that P. vagabunda is responsible for the increased incidence of DCSs on apple fruits. Overseas, the fungus is known to cause bull’s-eye rot of apples and pears. To the best of our knowledge, there are no reports describing the DCS symptom on Fuji apples caused by P. vagabunda. The most frequently observed symptoms of bull’s-eye rot of apples are very similar to those of Kigusare-byo reported in Japan. P. vagabunda was also isolated from the lesions of Kigusare-byo during storage in this study and caused typical symptoms of Kigusare-byo on apple fruits. Therefore, Kigusare-byo is, at least partially, caused by P. vagabunda, and the DCSs can be considered as a symptom of Kigusare-byo, i.e., bull’s-eye rot in apples. Based on these results and observations, we recommend “bull’s-eye rot” as the English name for Kigusare-byo. Although Kigusare-byo or bull’s-eye rot has been considered primarily a storage disease characterized by large rot lesions, we found that it may occur on fruits before harvest.</description><subject>apple fruit</subject><subject>Apples</subject><subject>bull’s-eye rot</subject><subject>dark-colored spot</subject><subject>Fruit rot</subject><subject>Fruits</subject><subject>Fungi</subject><subject>Lesions</subject><subject>Pears</subject><subject>Phlyctema vagabunda</subject><subject>Physical characteristics</subject><subject>Signs and symptoms</subject><subject>Storage diseases</subject><issn>0031-9473</issn><issn>1882-0484</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNpdkM1q3DAUhUVJoUOSF-hK0E268ERXsmV5GZK0DQ00i3YtrmxpxoNtufoJeJfX6Ov1SeoyIYSs7uKc71z4CPkIbCtAycvDYd4vyc-Y9ltVb0GId2QDSvGClao8IRvGBBRNWYsP5DzG3jDGGiEbLjckPgT72Psch4XmKdjZh2Q7GpdxTn6k3lGTh-Hv059Y2MXS4BO9-N7vcsRgC7P4z9RPFOd5sNSF3KdIW8xxXTALfdgPS5vsiPQRd2jy1CG9sXE8I-8dDtGeP99T8uvL7c_rb8X9j69311f3RQuKq6Jquq5quAAjHbi2Mg0AlpKbkpeITHYl54BggKlaQCWUlSigk7asKuecFKfk03F3Dv53tjHpg89hWl9qXtWqAsVArS1-bLXBxxis03PoRwyLBqb_-9Wv_GpV69XvCt0eoUNMuLMvCIbUt4N9i4hn7iVv9xi0ncQ_1w-NXA</recordid><startdate>20210825</startdate><enddate>20210825</enddate><creator>SATO, Y.</creator><creator>HIRAYAMA, K.</creator><creator>TODA, T.</creator><creator>NARA, C.</creator><creator>FURUYA, H.</creator><general>The Phytopathological Society of Japan</general><general>Japan Science and Technology Agency</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QL</scope><scope>7T7</scope><scope>7U9</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>H94</scope><scope>M7N</scope><scope>P64</scope></search><sort><creationdate>20210825</creationdate><title>Previously unreported symptom of bull’s-eye rot (Kigusare-byo) on apple fruits caused by Phlyctema vagabunda Desm</title><author>SATO, Y. ; HIRAYAMA, K. ; TODA, T. ; NARA, C. ; FURUYA, H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c1828-59dd59231b6f1fc5b911a462b424aa06d4221a1b108731538e6a31d6e455fff63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>jpn</language><creationdate>2021</creationdate><topic>apple fruit</topic><topic>Apples</topic><topic>bull’s-eye rot</topic><topic>dark-colored spot</topic><topic>Fruit rot</topic><topic>Fruits</topic><topic>Fungi</topic><topic>Lesions</topic><topic>Pears</topic><topic>Phlyctema vagabunda</topic><topic>Physical characteristics</topic><topic>Signs and symptoms</topic><topic>Storage diseases</topic><toplevel>online_resources</toplevel><creatorcontrib>SATO, Y.</creatorcontrib><creatorcontrib>HIRAYAMA, K.</creatorcontrib><creatorcontrib>TODA, T.</creatorcontrib><creatorcontrib>NARA, C.</creatorcontrib><creatorcontrib>FURUYA, H.</creatorcontrib><collection>CrossRef</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Virology and AIDS Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Japanese Journal of Phytopathology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>SATO, Y.</au><au>HIRAYAMA, K.</au><au>TODA, T.</au><au>NARA, C.</au><au>FURUYA, H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Previously unreported symptom of bull’s-eye rot (Kigusare-byo) on apple fruits caused by Phlyctema vagabunda Desm</atitle><jtitle>Japanese Journal of Phytopathology</jtitle><addtitle>Jpn. J. Phytopathol.</addtitle><date>2021-08-25</date><risdate>2021</risdate><volume>87</volume><issue>3</issue><spage>133</spage><epage>145</epage><pages>133-145</pages><issn>0031-9473</issn><eissn>1882-0484</eissn><abstract>The incidence of small (mostly &lt;5 mm in diameter), dark-colored lesions (DCSs: dark-colored spots) on apple fruits (e.g., cvs. Fuji, Gunma Meigetsu, Toki, Akita 19), mostly appearing from 3 weeks before harvest to 7 weeks after harvest has increased in Akita Prefecture and Aomori Prefecture in Japan since 2011. A fungus was frequently isolated from these lesions. When nonwounded apples on trees were inoculated with the fungus, spots very similar to DCSs developed, and the fungus was reisolated from the spots. The fungus was identified as Phlyctema vagabunda Desm. [synonyms Neofabraea alba (E.J. Guthrie) Verkley, N. vagabunda (Desm.), G. album Osterw.] based on its morphological and molecular characteristics. These results clearly indicate that P. vagabunda can cause DCSs and suggest that P. vagabunda is responsible for the increased incidence of DCSs on apple fruits. Overseas, the fungus is known to cause bull’s-eye rot of apples and pears. To the best of our knowledge, there are no reports describing the DCS symptom on Fuji apples caused by P. vagabunda. The most frequently observed symptoms of bull’s-eye rot of apples are very similar to those of Kigusare-byo reported in Japan. P. vagabunda was also isolated from the lesions of Kigusare-byo during storage in this study and caused typical symptoms of Kigusare-byo on apple fruits. Therefore, Kigusare-byo is, at least partially, caused by P. vagabunda, and the DCSs can be considered as a symptom of Kigusare-byo, i.e., bull’s-eye rot in apples. Based on these results and observations, we recommend “bull’s-eye rot” as the English name for Kigusare-byo. Although Kigusare-byo or bull’s-eye rot has been considered primarily a storage disease characterized by large rot lesions, we found that it may occur on fruits before harvest.</abstract><cop>Tokyo</cop><pub>The Phytopathological Society of Japan</pub><doi>10.3186/jjphytopath.87.133</doi><tpages>13</tpages></addata></record>
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subjects apple fruit
Apples
bull’s-eye rot
dark-colored spot
Fruit rot
Fruits
Fungi
Lesions
Pears
Phlyctema vagabunda
Physical characteristics
Signs and symptoms
Storage diseases
title Previously unreported symptom of bull’s-eye rot (Kigusare-byo) on apple fruits caused by Phlyctema vagabunda Desm
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