Occurrence of the complete cycle of Puccinia sorghi Schw. in Argentina and implications on the common corn rust epidemiology
The life-cycle of Puccinia sorghi , a heteroecious fungus, consists of five well-defined spore stages. The uredinial and telial stages are completed on the primary host (maize) whereas spermagonial and aecial stages occur on Oxalis spp., a perennial and widespread weed. Portions of corn leaves with...
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| Veröffentlicht in: | European journal of plant pathology 2019-06, Vol.154 (2), p.171-177 |
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| creator | Guerra, F. A. De Rossi, R. L. Brücher, E. Vuletic, E. Plazas, M. C. Guerra, G. D. Ducasse, D. A. |
| description | The life-cycle of
Puccinia sorghi
, a heteroecious fungus, consists of five well-defined spore stages. The uredinial and telial stages are completed on the primary host (maize) whereas spermagonial and aecial stages occur on
Oxalis
spp., a perennial and widespread weed. Portions of corn leaves with telia were surface sterilized and placed in Petri dishes with 2% water agar and maintained in a growth chamber at 25 ± 1 °C and photoperiod of 16 h light and 8 h dark for 48 h to induce the formation of basidia and basidiospores.
Oxalis conorrhiza
plants were inoculated with those basidiospores, to confirm the generation of spermagonia with spermatia, and subsequently aecia with aeciospores. Corn plants were then inoculated with aeciospores to confirm the formation of urediospores and teliospores. The aecial phase of common corn rust was confirmed to occur on
O. conhorriza
and the descriptions of spore stages in Argentina are now reported in this work, confirming a potential sexual source of variability of
P. sorghi
. The natural occurrence of aecial infections on
O. conhorriza
in Córdoba may play an important role in generating new variants of
P. sorghi
in Argentina, allowing a constant adaptation of the pathogen to the environment of the different corn production zones. |
| doi_str_mv | 10.1007/s10658-018-01645-3 |
| format | Article |
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Puccinia sorghi
, a heteroecious fungus, consists of five well-defined spore stages. The uredinial and telial stages are completed on the primary host (maize) whereas spermagonial and aecial stages occur on
Oxalis
spp., a perennial and widespread weed. Portions of corn leaves with telia were surface sterilized and placed in Petri dishes with 2% water agar and maintained in a growth chamber at 25 ± 1 °C and photoperiod of 16 h light and 8 h dark for 48 h to induce the formation of basidia and basidiospores.
Oxalis conorrhiza
plants were inoculated with those basidiospores, to confirm the generation of spermagonia with spermatia, and subsequently aecia with aeciospores. Corn plants were then inoculated with aeciospores to confirm the formation of urediospores and teliospores. The aecial phase of common corn rust was confirmed to occur on
O. conhorriza
and the descriptions of spore stages in Argentina are now reported in this work, confirming a potential sexual source of variability of
P. sorghi
. The natural occurrence of aecial infections on
O. conhorriza
in Córdoba may play an important role in generating new variants of
P. sorghi
in Argentina, allowing a constant adaptation of the pathogen to the environment of the different corn production zones.</description><identifier>ISSN: 0929-1873</identifier><identifier>EISSN: 1573-8469</identifier><identifier>DOI: 10.1007/s10658-018-01645-3</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Aecia ; Aeciospores ; Agriculture ; Basidiospores ; Biomedical and Life Sciences ; Corn ; Crop production ; Ecology ; Epidemiology ; Growth chambers ; Life Sciences ; Oxalis ; Plant Pathology ; Plant Sciences ; Puccinia sorghi ; Rust fungi ; Spermatia ; Telia ; Teliospores ; Vegetables</subject><ispartof>European journal of plant pathology, 2019-06, Vol.154 (2), p.171-177</ispartof><rights>Koninklijke Nederlandse Planteziektenkundige Vereniging 2018</rights><rights>European Journal of Plant Pathology is a copyright of Springer, (2018). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c319t-676ae9d4889b3842d3a3eb4bb6a5e8212e7d2535679e41e05a42df723bd3b0503</citedby><cites>FETCH-LOGICAL-c319t-676ae9d4889b3842d3a3eb4bb6a5e8212e7d2535679e41e05a42df723bd3b0503</cites><orcidid>0000-0001-6487-5007</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10658-018-01645-3$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10658-018-01645-3$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27903,27904,41467,42536,51298</link.rule.ids></links><search><creatorcontrib>Guerra, F. A.</creatorcontrib><creatorcontrib>De Rossi, R. L.</creatorcontrib><creatorcontrib>Brücher, E.</creatorcontrib><creatorcontrib>Vuletic, E.</creatorcontrib><creatorcontrib>Plazas, M. C.</creatorcontrib><creatorcontrib>Guerra, G. D.</creatorcontrib><creatorcontrib>Ducasse, D. A.</creatorcontrib><title>Occurrence of the complete cycle of Puccinia sorghi Schw. in Argentina and implications on the common corn rust epidemiology</title><title>European journal of plant pathology</title><addtitle>Eur J Plant Pathol</addtitle><description>The life-cycle of
Puccinia sorghi
, a heteroecious fungus, consists of five well-defined spore stages. The uredinial and telial stages are completed on the primary host (maize) whereas spermagonial and aecial stages occur on
Oxalis
spp., a perennial and widespread weed. Portions of corn leaves with telia were surface sterilized and placed in Petri dishes with 2% water agar and maintained in a growth chamber at 25 ± 1 °C and photoperiod of 16 h light and 8 h dark for 48 h to induce the formation of basidia and basidiospores.
Oxalis conorrhiza
plants were inoculated with those basidiospores, to confirm the generation of spermagonia with spermatia, and subsequently aecia with aeciospores. Corn plants were then inoculated with aeciospores to confirm the formation of urediospores and teliospores. The aecial phase of common corn rust was confirmed to occur on
O. conhorriza
and the descriptions of spore stages in Argentina are now reported in this work, confirming a potential sexual source of variability of
P. sorghi
. The natural occurrence of aecial infections on
O. conhorriza
in Córdoba may play an important role in generating new variants of
P. sorghi
in Argentina, allowing a constant adaptation of the pathogen to the environment of the different corn production zones.</description><subject>Aecia</subject><subject>Aeciospores</subject><subject>Agriculture</subject><subject>Basidiospores</subject><subject>Biomedical and Life Sciences</subject><subject>Corn</subject><subject>Crop production</subject><subject>Ecology</subject><subject>Epidemiology</subject><subject>Growth chambers</subject><subject>Life Sciences</subject><subject>Oxalis</subject><subject>Plant Pathology</subject><subject>Plant Sciences</subject><subject>Puccinia sorghi</subject><subject>Rust fungi</subject><subject>Spermatia</subject><subject>Telia</subject><subject>Teliospores</subject><subject>Vegetables</subject><issn>0929-1873</issn><issn>1573-8469</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp9kN1LwzAUxYMoOKf_gE8Bnzvz0bTN4xh-gTBBfQ5pettlbMlMWmTgH2-2Kr75cLmHy_mdCweha0pmlJDyNlJSiCoj9DBFLjJ-giZUlDyr8kKeogmRTGa0Kvk5uohxTRIkJZugr6UxQwjgDGDf4n4F2PjtbgN9EnuzOV5fBmOssxpHH7qVxa9m9TnD1uF56MD11mmsXYNt4qzRvfUuYu9-w7ZJGh8cDkPsMexsA1vrN77bX6KzVm8iXP3sKXq_v3tbPGbPy4enxfw5M5zKPivKQoNs8qqSNa9y1nDNoc7rutACKkYZlA0TXBSlhJwCETp52pLxuuE1EYRP0c2Yuwv-Y4DYq7UfgksvFaOCMM4ozZOLjS4TfIwBWrULdqvDXlGiDi2rsWWVWlbHlhVPEB-hmMyug_AX_Q_1DTQ_gL4</recordid><startdate>20190601</startdate><enddate>20190601</enddate><creator>Guerra, F. A.</creator><creator>De Rossi, R. L.</creator><creator>Brücher, E.</creator><creator>Vuletic, E.</creator><creator>Plazas, M. C.</creator><creator>Guerra, G. D.</creator><creator>Ducasse, D. 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A. ; De Rossi, R. L. ; Brücher, E. ; Vuletic, E. ; Plazas, M. C. ; Guerra, G. D. ; Ducasse, D. A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c319t-676ae9d4889b3842d3a3eb4bb6a5e8212e7d2535679e41e05a42df723bd3b0503</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Aecia</topic><topic>Aeciospores</topic><topic>Agriculture</topic><topic>Basidiospores</topic><topic>Biomedical and Life Sciences</topic><topic>Corn</topic><topic>Crop production</topic><topic>Ecology</topic><topic>Epidemiology</topic><topic>Growth chambers</topic><topic>Life Sciences</topic><topic>Oxalis</topic><topic>Plant Pathology</topic><topic>Plant Sciences</topic><topic>Puccinia sorghi</topic><topic>Rust fungi</topic><topic>Spermatia</topic><topic>Telia</topic><topic>Teliospores</topic><topic>Vegetables</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Guerra, F. A.</creatorcontrib><creatorcontrib>De Rossi, R. 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A.</au><au>De Rossi, R. L.</au><au>Brücher, E.</au><au>Vuletic, E.</au><au>Plazas, M. C.</au><au>Guerra, G. D.</au><au>Ducasse, D. A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Occurrence of the complete cycle of Puccinia sorghi Schw. in Argentina and implications on the common corn rust epidemiology</atitle><jtitle>European journal of plant pathology</jtitle><stitle>Eur J Plant Pathol</stitle><date>2019-06-01</date><risdate>2019</risdate><volume>154</volume><issue>2</issue><spage>171</spage><epage>177</epage><pages>171-177</pages><issn>0929-1873</issn><eissn>1573-8469</eissn><abstract>The life-cycle of
Puccinia sorghi
, a heteroecious fungus, consists of five well-defined spore stages. The uredinial and telial stages are completed on the primary host (maize) whereas spermagonial and aecial stages occur on
Oxalis
spp., a perennial and widespread weed. Portions of corn leaves with telia were surface sterilized and placed in Petri dishes with 2% water agar and maintained in a growth chamber at 25 ± 1 °C and photoperiod of 16 h light and 8 h dark for 48 h to induce the formation of basidia and basidiospores.
Oxalis conorrhiza
plants were inoculated with those basidiospores, to confirm the generation of spermagonia with spermatia, and subsequently aecia with aeciospores. Corn plants were then inoculated with aeciospores to confirm the formation of urediospores and teliospores. The aecial phase of common corn rust was confirmed to occur on
O. conhorriza
and the descriptions of spore stages in Argentina are now reported in this work, confirming a potential sexual source of variability of
P. sorghi
. The natural occurrence of aecial infections on
O. conhorriza
in Córdoba may play an important role in generating new variants of
P. sorghi
in Argentina, allowing a constant adaptation of the pathogen to the environment of the different corn production zones.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><doi>10.1007/s10658-018-01645-3</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0001-6487-5007</orcidid></addata></record> |
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| ispartof | European journal of plant pathology, 2019-06, Vol.154 (2), p.171-177 |
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| language | eng |
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| source | Springer Nature - Complete Springer Journals |
| subjects | Aecia Aeciospores Agriculture Basidiospores Biomedical and Life Sciences Corn Crop production Ecology Epidemiology Growth chambers Life Sciences Oxalis Plant Pathology Plant Sciences Puccinia sorghi Rust fungi Spermatia Telia Teliospores Vegetables |
| title | Occurrence of the complete cycle of Puccinia sorghi Schw. in Argentina and implications on the common corn rust epidemiology |
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