Bottom-up effect of nitrogen fertilization on the density of the corn leafhopper and its impact on both disease incidence and natural parasitism
The corn leafhopper Dalbulus maidis is a specialist herbivore that attacks maize in the tropical and subtropical regions of the Americas. It is the vector of three relevant plant pathogens that are responsible for severe yield losses. Modern agriculture is dependent on the addition of fertilizers,...
| Autores principales: | , , , , , , , , |
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| Formato: | Artículo |
| Lenguaje: | Inglés |
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Springer
2022
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| Materias: | |
| Acceso en línea: | http://hdl.handle.net/20.500.12123/11798 https://link.springer.com/article/10.1007/s10340-022-01500-9 https://doi.org/10.1007/s10340-022-01500-9 |
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| author | Virla, Eduardo Gabriel Luft Albarracín, Erica B. Díaz, Cecilia Van Nieuwenhove, Guido Alejandro Fernandez, Franco Daniel Coll Aráoz, María Victoria Melchert, Nicolás A. Conci, Luis Rogelio Gimenez, Maria De La Paz |
| author_browse | Coll Aráoz, María Victoria Conci, Luis Rogelio Díaz, Cecilia Fernandez, Franco Daniel Gimenez, Maria De La Paz Luft Albarracín, Erica B. Melchert, Nicolás A. Van Nieuwenhove, Guido Alejandro Virla, Eduardo Gabriel |
| author_facet | Virla, Eduardo Gabriel Luft Albarracín, Erica B. Díaz, Cecilia Van Nieuwenhove, Guido Alejandro Fernandez, Franco Daniel Coll Aráoz, María Victoria Melchert, Nicolás A. Conci, Luis Rogelio Gimenez, Maria De La Paz |
| author_sort | Virla, Eduardo Gabriel |
| collection | INTA Digital |
| description | The corn leafhopper Dalbulus maidis is a specialist herbivore that attacks maize in the tropical and subtropical regions of the Americas. It is the vector of three relevant plant pathogens that are responsible for severe yield losses. Modern agriculture is
dependent on the addition of fertilizers, especially nitrogen, which may influence the nutritional quality and/or the defense ability of the plants possibly with a subsequent increment of herbivorous insect populations. Through a field experiment, using a randomized design with four treatments with incremental levels of fertilization, we evaluated the effects of nitrogen in corn on the population level of the vector D. maidis, on the incidence of the diseases transmitted by it, and on the level of parasitism of the vectors’ eggs. The amount of nitrogen fertilizer used significantly influenced the density of the corn
leafhopper and, as a consequence, the parasitism by egg parasitoids, but not the incidence of the diseases transmitted by it. Two weeks after fertilization, the vector density was significantly higher in the highly fertilized treatment. The disease incidence was not directly linked with the level of fertilization. However, the symptoms of the diseases were much less evident in plants that received higher fertilization. Levels of parasitism by egg parasitoids increased accordingly to the level of D. maidis populations. The management of nitrogen fertilization in corn crops can mitigate the negative effects of the corn stunting disease without affecting the levels of natural control performed by egg parasitoids. |
| format | Artículo |
| id | INTA11798 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2022 |
| publishDateRange | 2022 |
| publishDateSort | 2022 |
| publisher | Springer |
| publisherStr | Springer |
| record_format | dspace |
| spelling | INTA117982025-10-17T11:46:56Z Bottom-up effect of nitrogen fertilization on the density of the corn leafhopper and its impact on both disease incidence and natural parasitism Virla, Eduardo Gabriel Luft Albarracín, Erica B. Díaz, Cecilia Van Nieuwenhove, Guido Alejandro Fernandez, Franco Daniel Coll Aráoz, María Victoria Melchert, Nicolás A. Conci, Luis Rogelio Gimenez, Maria De La Paz Dalbulus Maidis Maíz Vectores Maize Spiroplasma Vectors Plant Diseases Fertilizer Application Nitrogen Fertilizers Enfermedades de las Plantas Aplicación de Abonos Abonos Nitrogenados Bottom-up Effects Corn Stunting Disease Egg Parasitoids Spiroplasma Kunkelii Fertilización Nitrogenada The corn leafhopper Dalbulus maidis is a specialist herbivore that attacks maize in the tropical and subtropical regions of the Americas. It is the vector of three relevant plant pathogens that are responsible for severe yield losses. Modern agriculture is dependent on the addition of fertilizers, especially nitrogen, which may influence the nutritional quality and/or the defense ability of the plants possibly with a subsequent increment of herbivorous insect populations. Through a field experiment, using a randomized design with four treatments with incremental levels of fertilization, we evaluated the effects of nitrogen in corn on the population level of the vector D. maidis, on the incidence of the diseases transmitted by it, and on the level of parasitism of the vectors’ eggs. The amount of nitrogen fertilizer used significantly influenced the density of the corn leafhopper and, as a consequence, the parasitism by egg parasitoids, but not the incidence of the diseases transmitted by it. Two weeks after fertilization, the vector density was significantly higher in the highly fertilized treatment. The disease incidence was not directly linked with the level of fertilization. However, the symptoms of the diseases were much less evident in plants that received higher fertilization. Levels of parasitism by egg parasitoids increased accordingly to the level of D. maidis populations. The management of nitrogen fertilization in corn crops can mitigate the negative effects of the corn stunting disease without affecting the levels of natural control performed by egg parasitoids. Instituto de Patología Vegetal Fil: Virla, Eduardo G. Fundación Miguel Lillo. Instituto de Entomología; Argentina Fil: Virla, Eduardo G. Consejo Nacional de Investigaciones Científicas y Técnicas. Planta Piloto de Pocesos Industriales Microbiológicos (PROIMI-Biotecnología); Argentina Fil: Luft Albarracín, Erica B. Consejo Nacional de Investigaciones Científicas y Técnicas. Planta Piloto de Pocesos Industriales Microbiológicos (PROIMI-Biotecnología); Argentina Fil: Díaz, Cecilia. Universidad Nacional de Tucumán. Facultad de Agronomía y Zootécnia; Argentina Fil: Van Nieuwenhove, Guido A. Fundación Miguel Lillo. Instituto de Entomología; Argentina Fil: Van Nieuwenhove, Guido A. Consejo Nacional de Investigaciones Científicas y Técnicas. Planta Piloto de Pocesos Industriales Microbiológicos (PROIMI-Biotecnología); Argentina Fil: Fernandez, Franco Daniel. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Patología Vegetal; Argentina Fil: Fernandez, Franco Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Unidad de Fitopatología y Modelización Agrícola (UFyMA); Argentina Fil: Coll Aráoz, María V. Consejo Nacional de Investigaciones Científicas y Técnicas. Planta Piloto de Pocesos Industriales Microbiológicos (PROIMI-Biotecnología); Argentina Fil: Coll Aráoz, María V. Universidad Nacional de Tucumán. Facultad de Ciencias Naturales. Cátedra de Biología Vegetal; Argentina Fil: Melchert, Nicolás A. Consejo Nacional de Investigaciones Científicas y Técnicas. Planta Piloto de Pocesos Industriales Microbiológicos (PROIMI-Biotecnología); Argentina Fil: Conci, Luis Rogelio. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Patología Vegetal; Argentina Fil: Conci, Luis Rogelio. Consejo Nacional de Investigaciones Científicas y Técnicas. Unidad de Fitopatología y Modelización Agrícola (UFyMA); 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 2022-05-04T10:33:56Z 2022-05-04T10:33:56Z 2022-04-15 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/11798 https://link.springer.com/article/10.1007/s10340-022-01500-9 1612-4758 1612-4766 (online) https://doi.org/10.1007/s10340-022-01500-9 eng info:eu-repo/semantics/restrictedAccess application/pdf Springer Journal of Pest Science (Published: 15 April 2022) |
| spellingShingle | Dalbulus Maidis Maíz Vectores Maize Spiroplasma Vectors Plant Diseases Fertilizer Application Nitrogen Fertilizers Enfermedades de las Plantas Aplicación de Abonos Abonos Nitrogenados Bottom-up Effects Corn Stunting Disease Egg Parasitoids Spiroplasma Kunkelii Fertilización Nitrogenada Virla, Eduardo Gabriel Luft Albarracín, Erica B. Díaz, Cecilia Van Nieuwenhove, Guido Alejandro Fernandez, Franco Daniel Coll Aráoz, María Victoria Melchert, Nicolás A. Conci, Luis Rogelio Gimenez, Maria De La Paz Bottom-up effect of nitrogen fertilization on the density of the corn leafhopper and its impact on both disease incidence and natural parasitism |
| title | Bottom-up effect of nitrogen fertilization on the density of the corn leafhopper and its impact on both disease incidence and natural parasitism |
| title_full | Bottom-up effect of nitrogen fertilization on the density of the corn leafhopper and its impact on both disease incidence and natural parasitism |
| title_fullStr | Bottom-up effect of nitrogen fertilization on the density of the corn leafhopper and its impact on both disease incidence and natural parasitism |
| title_full_unstemmed | Bottom-up effect of nitrogen fertilization on the density of the corn leafhopper and its impact on both disease incidence and natural parasitism |
| title_short | Bottom-up effect of nitrogen fertilization on the density of the corn leafhopper and its impact on both disease incidence and natural parasitism |
| title_sort | bottom up effect of nitrogen fertilization on the density of the corn leafhopper and its impact on both disease incidence and natural parasitism |
| topic | Dalbulus Maidis Maíz Vectores Maize Spiroplasma Vectors Plant Diseases Fertilizer Application Nitrogen Fertilizers Enfermedades de las Plantas Aplicación de Abonos Abonos Nitrogenados Bottom-up Effects Corn Stunting Disease Egg Parasitoids Spiroplasma Kunkelii Fertilización Nitrogenada |
| url | http://hdl.handle.net/20.500.12123/11798 https://link.springer.com/article/10.1007/s10340-022-01500-9 https://doi.org/10.1007/s10340-022-01500-9 |
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