Exitianus obscurinervis (Hemiptera: Cicadellidae), a New Experimental Vector of Spiroplasma kunkelii
“Corn stunt” caused by the mollicute Spiroplasma kunkelii (Whitcomb) is potentially one of the most severe diseases affecting the corn (Zea mays L.) crop in the Americas, and the leafhopper Dalbulus maidis (DeLong & Wolcott) is considered its most important vector. However, other insects seen quite...
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| Formato: | Artículo |
| Lenguaje: | Inglés |
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Oxford University Press
2025
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| Acceso en línea: | http://hdl.handle.net/20.500.12123/23893 https://academic.oup.com/jee/article-abstract/104/6/1793/2199751 https://doi.org/10.1603/EC11156 |
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| author | Carloni, Edgardo José Virla, Eduardo Gabriel Paradell, Susana Liria Carpane, Pablo D. Nome Docampo, Claudia Laguna, Irma Graciela Gimenez, Maria De La Paz |
| author_browse | Carloni, Edgardo José Carpane, Pablo D. Gimenez, Maria De La Paz Laguna, Irma Graciela Nome Docampo, Claudia Paradell, Susana Liria Virla, Eduardo Gabriel |
| author_facet | Carloni, Edgardo José Virla, Eduardo Gabriel Paradell, Susana Liria Carpane, Pablo D. Nome Docampo, Claudia Laguna, Irma Graciela Gimenez, Maria De La Paz |
| author_sort | Carloni, Edgardo José |
| collection | INTA Digital |
| description | “Corn stunt” caused by the mollicute Spiroplasma kunkelii (Whitcomb) is potentially one of the most severe diseases affecting the corn (Zea mays L.) crop in the Americas, and the leafhopper Dalbulus maidis (DeLong & Wolcott) is considered its most important vector. However, other insects seen quite frequently in corn crops might well be its vectors in Argentina. To identify any leafhoppers species other than D. maidis that can transmit S. kunkelii, transmission assays were conducted, using individuals of Exitianus obscurinervis (Stål) collected in field and reared under controlled conditions. S. kunkelii was transmitted to corn plants by E. obscurinervis. The pathogen was transmitted to seven of the 11 plants, which showed characteristic corn stunt symptoms, and the presence of the pathogen was confirmed by DAS-ELISA. The presence of S. kunkelii in the E. obscurinervis individuals used in transmission experiments was confirmed by polymerase chain reaction and electron microscopy. The current study shows the existence of a new experimental vector of S. kunkelii, the leafhopper E. obscurinervis, which acquired spiroplasmas from infected plants and inoculated it to healthy plants. |
| format | Artículo |
| id | INTA23893 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2025 |
| publishDateRange | 2025 |
| publishDateSort | 2025 |
| publisher | Oxford University Press |
| publisherStr | Oxford University Press |
| record_format | dspace |
| spelling | INTA238932025-09-23T10:54:45Z Exitianus obscurinervis (Hemiptera: Cicadellidae), a New Experimental Vector of Spiroplasma kunkelii Carloni, Edgardo José Virla, Eduardo Gabriel Paradell, Susana Liria Carpane, Pablo D. Nome Docampo, Claudia Laguna, Irma Graciela Gimenez, Maria De La Paz Dalbulus maidis Spiroplasma Vectores Vectors Hemiptera Corn Leafhopper Corn Stunt Exitianus obscurinervis Spiroplasma kunkelii “Corn stunt” caused by the mollicute Spiroplasma kunkelii (Whitcomb) is potentially one of the most severe diseases affecting the corn (Zea mays L.) crop in the Americas, and the leafhopper Dalbulus maidis (DeLong & Wolcott) is considered its most important vector. However, other insects seen quite frequently in corn crops might well be its vectors in Argentina. To identify any leafhoppers species other than D. maidis that can transmit S. kunkelii, transmission assays were conducted, using individuals of Exitianus obscurinervis (Stål) collected in field and reared under controlled conditions. S. kunkelii was transmitted to corn plants by E. obscurinervis. The pathogen was transmitted to seven of the 11 plants, which showed characteristic corn stunt symptoms, and the presence of the pathogen was confirmed by DAS-ELISA. The presence of S. kunkelii in the E. obscurinervis individuals used in transmission experiments was confirmed by polymerase chain reaction and electron microscopy. The current study shows the existence of a new experimental vector of S. kunkelii, the leafhopper E. obscurinervis, which acquired spiroplasmas from infected plants and inoculated it to healthy plants. Instituto de Fisiología y Recursos Genéticos Vegetales Fil: Carloni, Edgardo José. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Fisiología y Recursos Genéticos Vegetales; Argentina Fil: Carloni, Edgardo José. Consejo Nacional de Investigaciones Científicas y Técnicas. Unidad de Estudios Agropecuarios (UDEA); Argentina Fil: Virla, E. Consejo Nacional de Investigaciones Científicas y Técnicas. Planta Piloto de Procesos Industriales Microbiológicos (PROIMI); Argentina. Fil: Paradell, S. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División Entomología; Argentina Fil: Carpane, P. Monsanto Argentina (SAIC); Argentina Fil: Nome Docampo, Claudia. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Patología Vegetal; Argentina Fil: Nome Docampo, Claudia. Consejo Nacional de Investigaciones Científicas y Técnicas. Unidad de Fitopatología y Modelización Agrícola (UFyMA); Argentina Fil: Laguna, Irma Graciela. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Patología Vegetal; Argentina Fil: Gimenez, Maria De La Paz. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Patología Vegetal; Argentina Fil: Gimenez, Maria De La Paz. Consejo Nacional de Investigaciones Científicas y Técnicas. Unidad de Fitopatología y Modelización Agrícola (UFyMA); Argentina 2025-09-23T10:44:38Z 2025-09-23T10:44:38Z 2011-12-01 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/23893 https://academic.oup.com/jee/article-abstract/104/6/1793/2199751 0022-0493 1938-291X https://doi.org/10.1603/EC11156 eng info:eu-repo/semantics/restrictedAccess http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf Oxford University Press Journal of Economic Entomology 104 (6) : 1793-1799 (December 2011) |
| spellingShingle | Dalbulus maidis Spiroplasma Vectores Vectors Hemiptera Corn Leafhopper Corn Stunt Exitianus obscurinervis Spiroplasma kunkelii Carloni, Edgardo José Virla, Eduardo Gabriel Paradell, Susana Liria Carpane, Pablo D. Nome Docampo, Claudia Laguna, Irma Graciela Gimenez, Maria De La Paz Exitianus obscurinervis (Hemiptera: Cicadellidae), a New Experimental Vector of Spiroplasma kunkelii |
| title | Exitianus obscurinervis (Hemiptera: Cicadellidae), a New Experimental Vector of Spiroplasma kunkelii |
| title_full | Exitianus obscurinervis (Hemiptera: Cicadellidae), a New Experimental Vector of Spiroplasma kunkelii |
| title_fullStr | Exitianus obscurinervis (Hemiptera: Cicadellidae), a New Experimental Vector of Spiroplasma kunkelii |
| title_full_unstemmed | Exitianus obscurinervis (Hemiptera: Cicadellidae), a New Experimental Vector of Spiroplasma kunkelii |
| title_short | Exitianus obscurinervis (Hemiptera: Cicadellidae), a New Experimental Vector of Spiroplasma kunkelii |
| title_sort | exitianus obscurinervis hemiptera cicadellidae a new experimental vector of spiroplasma kunkelii |
| topic | Dalbulus maidis Spiroplasma Vectores Vectors Hemiptera Corn Leafhopper Corn Stunt Exitianus obscurinervis Spiroplasma kunkelii |
| url | http://hdl.handle.net/20.500.12123/23893 https://academic.oup.com/jee/article-abstract/104/6/1793/2199751 https://doi.org/10.1603/EC11156 |
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