Factors affecting mycelium pigmentation and pathogenicity of Sclerotinia sclerotiorum on Valencia peanut
Sclerotinia sclerotiorum infects a broad range of plant hosts, and is typically identified by the production of white mycelium and black sclerotia on infected plants and culture. Isolates of S. sclerotiorum with darkly-pigmented mycelium have been reported on Valencia peanut in New Mexico and Texas....
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| Veröffentlicht in: | Canadian journal of plant science 2016-06, Vol.96 (3), p.461-473 |
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| creator | Lujan, P Sanogo, S Puppala, N Randall, J |
| description | Sclerotinia sclerotiorum infects a broad range of plant hosts, and is typically identified by the production of white mycelium and black sclerotia on infected plants and culture. Isolates of S. sclerotiorum with darkly-pigmented mycelium have been reported on Valencia peanut in New Mexico and Texas. This study was conducted to determine the relationship between dark pigmentation in mycelium, oxalic acid production, and pathogenicity of S. sclerotiorum on Valencia peanut. A darkly-pigmented (SD) and a mutant, non-pigmented (SW) isolate of S. sclerotiorum were compared for vegetative growth on various growth media under different environmental conditions, and for pathogenicity on peanut. The SD isolate became darker in mycelium pigmentation as temperature increased beyond 20 °C and at pH between 5.0 and 6.0. Pigmentation in the SW isolate remained unaffected. Oxalic acid production did not increase in either SD or SW isolates when grown on media amended with pure oxalic acid or its precursor arabinose. The SD isolate caused peanut plant death and necrotic lesions on leaflets, while the SW isolate did not cause any symptoms. The differential behavior of SD and SW isolates in pathogenicity does not appear to be associated with mycelium pigmentation. |
| doi_str_mv | 10.1139/CJPS-2015-0258 |
| format | Article |
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Isolates of S. sclerotiorum with darkly-pigmented mycelium have been reported on Valencia peanut in New Mexico and Texas. This study was conducted to determine the relationship between dark pigmentation in mycelium, oxalic acid production, and pathogenicity of S. sclerotiorum on Valencia peanut. A darkly-pigmented (SD) and a mutant, non-pigmented (SW) isolate of S. sclerotiorum were compared for vegetative growth on various growth media under different environmental conditions, and for pathogenicity on peanut. The SD isolate became darker in mycelium pigmentation as temperature increased beyond 20 °C and at pH between 5.0 and 6.0. Pigmentation in the SW isolate remained unaffected. Oxalic acid production did not increase in either SD or SW isolates when grown on media amended with pure oxalic acid or its precursor arabinose. The SD isolate caused peanut plant death and necrotic lesions on leaflets, while the SW isolate did not cause any symptoms. The differential behavior of SD and SW isolates in pathogenicity does not appear to be associated with mycelium pigmentation.</description><identifier>ISSN: 0008-4220</identifier><identifier>ISSN: 1918-1833</identifier><identifier>EISSN: 1918-1833</identifier><identifier>DOI: 10.1139/CJPS-2015-0258</identifier><language>eng</language><publisher>Ottawa: Canadian Science Publishing</publisher><subject>Acid production ; acide oxalique ; Arabinose ; Arachis hypogaea ; Culture media ; death ; Environmental conditions ; environmental factors ; hosts ; inhibiteurs de mélanine ; melanin-inhibitors ; mutants ; mycelium ; mycelium pigmentation ; Oxalic acid ; Pathogenicity ; peanuts ; pH effects ; Pigmentation ; pigmentation mycélienne ; PLANT PATHOLOGY ; Plant sciences ; sclerotia ; Sclerotinia sclerotiorum ; temperature ; vegetative growth</subject><ispartof>Canadian journal of plant science, 2016-06, Vol.96 (3), p.461-473</ispartof><rights>Copyright remains with the author(s) or their institution(s). Permission for reuse (free in most cases) can be obtained from RightsLink.</rights><rights>2016 Published by NRC Research Press</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-b361t-a08d3dee74c6941b71fca15f93a387d672e1e3c062f93cc38eee66da8854127e3</citedby><cites>FETCH-LOGICAL-b361t-a08d3dee74c6941b71fca15f93a387d672e1e3c062f93cc38eee66da8854127e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids></links><search><contributor>Navabi, Alireza</contributor><creatorcontrib>Lujan, P</creatorcontrib><creatorcontrib>Sanogo, S</creatorcontrib><creatorcontrib>Puppala, N</creatorcontrib><creatorcontrib>Randall, J</creatorcontrib><title>Factors affecting mycelium pigmentation and pathogenicity of Sclerotinia sclerotiorum on Valencia peanut</title><title>Canadian journal of plant science</title><description>Sclerotinia sclerotiorum infects a broad range of plant hosts, and is typically identified by the production of white mycelium and black sclerotia on infected plants and culture. Isolates of S. sclerotiorum with darkly-pigmented mycelium have been reported on Valencia peanut in New Mexico and Texas. This study was conducted to determine the relationship between dark pigmentation in mycelium, oxalic acid production, and pathogenicity of S. sclerotiorum on Valencia peanut. A darkly-pigmented (SD) and a mutant, non-pigmented (SW) isolate of S. sclerotiorum were compared for vegetative growth on various growth media under different environmental conditions, and for pathogenicity on peanut. The SD isolate became darker in mycelium pigmentation as temperature increased beyond 20 °C and at pH between 5.0 and 6.0. Pigmentation in the SW isolate remained unaffected. Oxalic acid production did not increase in either SD or SW isolates when grown on media amended with pure oxalic acid or its precursor arabinose. The SD isolate caused peanut plant death and necrotic lesions on leaflets, while the SW isolate did not cause any symptoms. The differential behavior of SD and SW isolates in pathogenicity does not appear to be associated with mycelium pigmentation.</description><subject>Acid production</subject><subject>acide oxalique</subject><subject>Arabinose</subject><subject>Arachis hypogaea</subject><subject>Culture media</subject><subject>death</subject><subject>Environmental conditions</subject><subject>environmental factors</subject><subject>hosts</subject><subject>inhibiteurs de mélanine</subject><subject>melanin-inhibitors</subject><subject>mutants</subject><subject>mycelium</subject><subject>mycelium pigmentation</subject><subject>Oxalic acid</subject><subject>Pathogenicity</subject><subject>peanuts</subject><subject>pH effects</subject><subject>Pigmentation</subject><subject>pigmentation mycélienne</subject><subject>PLANT PATHOLOGY</subject><subject>Plant sciences</subject><subject>sclerotia</subject><subject>Sclerotinia sclerotiorum</subject><subject>temperature</subject><subject>vegetative growth</subject><issn>0008-4220</issn><issn>1918-1833</issn><issn>1918-1833</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNplkU1v1DAQhi0EEkvhypVIXDiQ4rGT2DmiFQWqSiAt5WrNOpOtV4kdbOew_x6vtgdET_6Y53k1HjP2Fvg1gOw_bW9_7mrBoa25aPUztoEedA1ayudswznXdSMEf8lepXQsRwWab9jDDdocYqpwHMlm5w_VfLI0uXWuFneYyWfMLvgK_VAtmB_CgbyzLp-qMFY7O1EMxXJYpcd9iEUtwm-cyNtSWAj9ml-zFyNOid48rlfs_ubLr-23-u7H1-_bz3f1XnaQa-R6kAORamzXN7BXMFqEduwlSq2GTgkCkpZ3olxZKzURdd2AWrcNCEXyin245C4x_FkpZTO7VB40oaewJgNaKd0IJaGg7_9Dj2GNvnRnBIDoeC96XajrC2VjSCnSaJboZownA9ycB2_scSlGGbw5D74I7y7CiMHgIbpk7nel3HEuOG-BF-Ljhdi7EDw9CTz_5D-BfwF8_I6_</recordid><startdate>20160601</startdate><enddate>20160601</enddate><creator>Lujan, P</creator><creator>Sanogo, S</creator><creator>Puppala, N</creator><creator>Randall, J</creator><general>Canadian Science Publishing</general><general>Canadian Science Publishing NRC Research Press</general><scope>FBQ</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SS</scope><scope>7QO</scope><scope>8FD</scope><scope>FR3</scope><scope>M7N</scope><scope>P64</scope></search><sort><creationdate>20160601</creationdate><title>Factors affecting mycelium pigmentation and pathogenicity of Sclerotinia sclerotiorum on Valencia peanut</title><author>Lujan, P ; Sanogo, S ; Puppala, N ; Randall, J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-b361t-a08d3dee74c6941b71fca15f93a387d672e1e3c062f93cc38eee66da8854127e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Acid production</topic><topic>acide oxalique</topic><topic>Arabinose</topic><topic>Arachis hypogaea</topic><topic>Culture media</topic><topic>death</topic><topic>Environmental conditions</topic><topic>environmental factors</topic><topic>hosts</topic><topic>inhibiteurs de mélanine</topic><topic>melanin-inhibitors</topic><topic>mutants</topic><topic>mycelium</topic><topic>mycelium pigmentation</topic><topic>Oxalic acid</topic><topic>Pathogenicity</topic><topic>peanuts</topic><topic>pH effects</topic><topic>Pigmentation</topic><topic>pigmentation mycélienne</topic><topic>PLANT PATHOLOGY</topic><topic>Plant sciences</topic><topic>sclerotia</topic><topic>Sclerotinia sclerotiorum</topic><topic>temperature</topic><topic>vegetative growth</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lujan, P</creatorcontrib><creatorcontrib>Sanogo, S</creatorcontrib><creatorcontrib>Puppala, N</creatorcontrib><creatorcontrib>Randall, J</creatorcontrib><collection>AGRIS</collection><collection>CrossRef</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Biotechnology Research Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Canadian journal of plant science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lujan, P</au><au>Sanogo, S</au><au>Puppala, N</au><au>Randall, J</au><au>Navabi, Alireza</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Factors affecting mycelium pigmentation and pathogenicity of Sclerotinia sclerotiorum on Valencia peanut</atitle><jtitle>Canadian journal of plant science</jtitle><date>2016-06-01</date><risdate>2016</risdate><volume>96</volume><issue>3</issue><spage>461</spage><epage>473</epage><pages>461-473</pages><issn>0008-4220</issn><issn>1918-1833</issn><eissn>1918-1833</eissn><abstract>Sclerotinia sclerotiorum infects a broad range of plant hosts, and is typically identified by the production of white mycelium and black sclerotia on infected plants and culture. Isolates of S. sclerotiorum with darkly-pigmented mycelium have been reported on Valencia peanut in New Mexico and Texas. This study was conducted to determine the relationship between dark pigmentation in mycelium, oxalic acid production, and pathogenicity of S. sclerotiorum on Valencia peanut. A darkly-pigmented (SD) and a mutant, non-pigmented (SW) isolate of S. sclerotiorum were compared for vegetative growth on various growth media under different environmental conditions, and for pathogenicity on peanut. The SD isolate became darker in mycelium pigmentation as temperature increased beyond 20 °C and at pH between 5.0 and 6.0. Pigmentation in the SW isolate remained unaffected. Oxalic acid production did not increase in either SD or SW isolates when grown on media amended with pure oxalic acid or its precursor arabinose. The SD isolate caused peanut plant death and necrotic lesions on leaflets, while the SW isolate did not cause any symptoms. The differential behavior of SD and SW isolates in pathogenicity does not appear to be associated with mycelium pigmentation.</abstract><cop>Ottawa</cop><pub>Canadian Science Publishing</pub><doi>10.1139/CJPS-2015-0258</doi><tpages>13</tpages></addata></record> |
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| subjects | Acid production acide oxalique Arabinose Arachis hypogaea Culture media death Environmental conditions environmental factors hosts inhibiteurs de mélanine melanin-inhibitors mutants mycelium mycelium pigmentation Oxalic acid Pathogenicity peanuts pH effects Pigmentation pigmentation mycélienne PLANT PATHOLOGY Plant sciences sclerotia Sclerotinia sclerotiorum temperature vegetative growth |
| title | Factors affecting mycelium pigmentation and pathogenicity of Sclerotinia sclerotiorum on Valencia peanut |
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