A survey on occurrence of <i>Cladosporium fulvum</i> identifies race 0 and race 2 in tomato growing areas of Argentina
The presence of Cladosporium fulvum (syn. Passalora fulva), causal agent of tomato leaf mold, was confirmed in the two main greenhouseproduction areas for tomato in Argentina. Using both morphological characters and internal transcribed spacer sequencing, we confirmed the presence of physiological r...
Guardado en:
| Autores principales: | , , , , , , , |
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| Formato: | Articulo |
| Lenguaje: | Español |
| Publicado: |
2015
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| Materias: | |
| Acceso en línea: | http://sedici.unlp.edu.ar/handle/10915/66622 https://apsjournals.apsnet.org/doi/pdf/10.1094/PDIS-12-14-1270-RE |
| Aporte de: |
| id |
I19-R120-10915-66622 |
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| record_format |
dspace |
| institution |
Universidad Nacional de La Plata |
| institution_str |
I-19 |
| repository_str |
R-120 |
| collection |
SEDICI (UNLP) |
| language |
Español |
| topic |
Ciencias Agrarias Enfermedades de las Plantas Cultivos Agrícolas |
| spellingShingle |
Ciencias Agrarias Enfermedades de las Plantas Cultivos Agrícolas Medina, Rocío López, Silvina Marianela Yanil Franco, Mario Emilio Ernesto Rollán, María Cristina Ronco, Blanca Lía Saparrat, Mario Carlos Nazareno De Wit, Pierre J. G. M. Balatti, Pedro Alberto A survey on occurrence of <i>Cladosporium fulvum</i> identifies race 0 and race 2 in tomato growing areas of Argentina |
| topic_facet |
Ciencias Agrarias Enfermedades de las Plantas Cultivos Agrícolas |
| description |
The presence of Cladosporium fulvum (syn. Passalora fulva), causal agent of tomato leaf mold, was confirmed in the two main greenhouseproduction areas for tomato in Argentina. Using both morphological characters and internal transcribed spacer sequencing, we confirmed the presence of physiological races of this pathogen. A diagnostic multiplex polymerase chain reaction (PCR) was also developed, using primers derived from C. fulvum avirulence (Avr) genes. In all, 20 isolates of Cladosporium spp. were obtained as monospore cultures and 12 were identified as C. fulvum. By this method, we showed that, of these 12 isolates, 5 were race 0 (carrying functional Avr2, Avr4, Avr4E, and Avr9 genes) and 7 were race 2 (lacking the Avr2 gene). Race identity was confirmed by testing their virulence on a set of tomato differentials carrying different Cf resistance genes. All Avr genes could be amplified in single or multiplex PCR using DNA isolated from in vitro grown monospore cultures but only three Avr could be amplified when genomic DNA was isolated from C. fulvum-infected necrotic leaf tissue. |
| format |
Articulo Articulo |
| author |
Medina, Rocío López, Silvina Marianela Yanil Franco, Mario Emilio Ernesto Rollán, María Cristina Ronco, Blanca Lía Saparrat, Mario Carlos Nazareno De Wit, Pierre J. G. M. Balatti, Pedro Alberto |
| author_facet |
Medina, Rocío López, Silvina Marianela Yanil Franco, Mario Emilio Ernesto Rollán, María Cristina Ronco, Blanca Lía Saparrat, Mario Carlos Nazareno De Wit, Pierre J. G. M. Balatti, Pedro Alberto |
| author_sort |
Medina, Rocío |
| title |
A survey on occurrence of <i>Cladosporium fulvum</i> identifies race 0 and race 2 in tomato growing areas of Argentina |
| title_short |
A survey on occurrence of <i>Cladosporium fulvum</i> identifies race 0 and race 2 in tomato growing areas of Argentina |
| title_full |
A survey on occurrence of <i>Cladosporium fulvum</i> identifies race 0 and race 2 in tomato growing areas of Argentina |
| title_fullStr |
A survey on occurrence of <i>Cladosporium fulvum</i> identifies race 0 and race 2 in tomato growing areas of Argentina |
| title_full_unstemmed |
A survey on occurrence of <i>Cladosporium fulvum</i> identifies race 0 and race 2 in tomato growing areas of Argentina |
| title_sort |
survey on occurrence of <i>cladosporium fulvum</i> identifies race 0 and race 2 in tomato growing areas of argentina |
| publishDate |
2015 |
| url |
http://sedici.unlp.edu.ar/handle/10915/66622 https://apsjournals.apsnet.org/doi/pdf/10.1094/PDIS-12-14-1270-RE |
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