Resistance mechanisms to 2,4-D in six different dicotyledonous weeds around the world
2,4-D resistance is increasing around the world due to both transgenic crops and resistance to other herbicides. The objective of the this study was to characterize the currently unknown mechanisms of 2,4-D resistance in five weed species from around the globe: Amaranthus hybridus (Argentina), Conyz...
| Autores principales: | , , , , , , |
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| Formato: | info:ar-repo/semantics/artículo |
| Lenguaje: | Inglés |
| Publicado: |
MDPI
2020
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| Materias: | |
| Acceso en línea: | http://hdl.handle.net/20.500.12123/8243 https://www.mdpi.com/2073-4395/10/4/566 https://doi.org/10.3390/agronomy10040566 |
| _version_ | 1855036000183517184 |
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| author | Palma Bautista, Candelario Rojano Delgado, Antonia María Dellaferrera, Ignacio Miguel Rosario, Jesús M. Vigna, Mario Raul Torra, Joel de Prado, Rafael |
| author_browse | Dellaferrera, Ignacio Miguel Palma Bautista, Candelario Rojano Delgado, Antonia María Rosario, Jesús M. Torra, Joel Vigna, Mario Raul de Prado, Rafael |
| author_facet | Palma Bautista, Candelario Rojano Delgado, Antonia María Dellaferrera, Ignacio Miguel Rosario, Jesús M. Vigna, Mario Raul Torra, Joel de Prado, Rafael |
| author_sort | Palma Bautista, Candelario |
| collection | INTA Digital |
| description | 2,4-D resistance is increasing around the world due to both transgenic crops and resistance to other herbicides. The objective of the this study was to characterize the currently unknown mechanisms of 2,4-D resistance in five weed species from around the globe: Amaranthus hybridus (Argentina), Conyza canadensis (Hungary), Conyza sumatrensis (France), Hirschfeldia incana (Argentina) and Parthenium hysterophorus (Dominican Republic), using Papaver rhoeas (Spain) as a standard resistant (R) species. Dose-response trials using malathion and absorption, translocation and metabolism experiments were performed to unravel the resistance mechanisms. R plants produced at least 3-folds less ethylene than susceptible plants, confirming the resistance to 2,4-D,
together with resistance factors >4. A. hybridus, P. hysterophorus and P. rhoeas showed both reduced
translocation and enhanced metabolism. In the two Conyza sps., the only resistance mechanism found was enhanced metabolism. Malathion synergized with 2,4-D in all these species, indicating the role of cytochrome P450 in the herbicide degradation. In H. incana, reduced translocation was the only contributing mechanism to resistance. Among the six dicotyledonous weed species investigated, there was a differential contribution to 2,4-D resistance of enhanced metabolism and reduced translocation. Thus, extrapolating 2,4-D resistance mechanisms from one weed species to another is very risky, if even related. |
| format | info:ar-repo/semantics/artículo |
| id | INTA8243 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2020 |
| publishDateRange | 2020 |
| publishDateSort | 2020 |
| publisher | MDPI |
| publisherStr | MDPI |
| record_format | dspace |
| spelling | INTA82432024-02-19T12:57:08Z Resistance mechanisms to 2,4-D in six different dicotyledonous weeds around the world Palma Bautista, Candelario Rojano Delgado, Antonia María Dellaferrera, Ignacio Miguel Rosario, Jesús M. Vigna, Mario Raul Torra, Joel de Prado, Rafael Amaranthus Hybridus Conyza Cytochrome P450 Papaver Rhoeas Translocation Citocromo P450 Traslocación Enhanced Metabolism Metabolismo Mejorado Hirschfeldia Incana Parthenium Hysterophorus Reduced Translocation 2,4-D resistance is increasing around the world due to both transgenic crops and resistance to other herbicides. The objective of the this study was to characterize the currently unknown mechanisms of 2,4-D resistance in five weed species from around the globe: Amaranthus hybridus (Argentina), Conyza canadensis (Hungary), Conyza sumatrensis (France), Hirschfeldia incana (Argentina) and Parthenium hysterophorus (Dominican Republic), using Papaver rhoeas (Spain) as a standard resistant (R) species. Dose-response trials using malathion and absorption, translocation and metabolism experiments were performed to unravel the resistance mechanisms. R plants produced at least 3-folds less ethylene than susceptible plants, confirming the resistance to 2,4-D, together with resistance factors >4. A. hybridus, P. hysterophorus and P. rhoeas showed both reduced translocation and enhanced metabolism. In the two Conyza sps., the only resistance mechanism found was enhanced metabolism. Malathion synergized with 2,4-D in all these species, indicating the role of cytochrome P450 in the herbicide degradation. In H. incana, reduced translocation was the only contributing mechanism to resistance. Among the six dicotyledonous weed species investigated, there was a differential contribution to 2,4-D resistance of enhanced metabolism and reduced translocation. Thus, extrapolating 2,4-D resistance mechanisms from one weed species to another is very risky, if even related. EEA Bordenave Fil: Palma Bautista, Candelario. Universidad de Córdoba. Departamento de Química Agrícola y Edafología; España Fil: Rojano Delgado, Antonia María. Universidad de Córdoba. Departamento de Química Agrícola y Edafología; España Fil: Dellaferrera, Ignacio Miguel. Universidad Nacional del Litoral. Facultad de Ciencias Agrarias; Argentina Fil: Dellaferrera, Ignacio Miguel. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Argentina Fil: Rosario, Jesús M. Universidad de Córdoba. Departamento de Química Agrícola y Edafología; España Fil: Vigna, Mario Raúl. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Bordenave; Argentina Fil: Torra, Joel. Universidad de Lleida. Departamento de Horticultura y Fruticultura. Agrotecnio; España Fil: de Prado, Rafael. Universidad de Córdoba. Departamento de Química Agrícola y Edafología; España 2020-11-11T14:55:53Z 2020-11-11T14:55:53Z 2020 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/8243 https://www.mdpi.com/2073-4395/10/4/566 2073-4395 https://doi.org/10.3390/agronomy10040566 eng info:eu-repo/semantics/openAccess 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 MDPI Agronomy 10 (4) : 566. (2020) |
| spellingShingle | Amaranthus Hybridus Conyza Cytochrome P450 Papaver Rhoeas Translocation Citocromo P450 Traslocación Enhanced Metabolism Metabolismo Mejorado Hirschfeldia Incana Parthenium Hysterophorus Reduced Translocation Palma Bautista, Candelario Rojano Delgado, Antonia María Dellaferrera, Ignacio Miguel Rosario, Jesús M. Vigna, Mario Raul Torra, Joel de Prado, Rafael Resistance mechanisms to 2,4-D in six different dicotyledonous weeds around the world |
| title | Resistance mechanisms to 2,4-D in six different dicotyledonous weeds around the world |
| title_full | Resistance mechanisms to 2,4-D in six different dicotyledonous weeds around the world |
| title_fullStr | Resistance mechanisms to 2,4-D in six different dicotyledonous weeds around the world |
| title_full_unstemmed | Resistance mechanisms to 2,4-D in six different dicotyledonous weeds around the world |
| title_short | Resistance mechanisms to 2,4-D in six different dicotyledonous weeds around the world |
| title_sort | resistance mechanisms to 2 4 d in six different dicotyledonous weeds around the world |
| topic | Amaranthus Hybridus Conyza Cytochrome P450 Papaver Rhoeas Translocation Citocromo P450 Traslocación Enhanced Metabolism Metabolismo Mejorado Hirschfeldia Incana Parthenium Hysterophorus Reduced Translocation |
| url | http://hdl.handle.net/20.500.12123/8243 https://www.mdpi.com/2073-4395/10/4/566 https://doi.org/10.3390/agronomy10040566 |
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