Introgression of peanut smut resistance from landraces to elite peanut cultivars (Arachis hypogaea L.)
Smut disease caused by the fungal pathogen Thecaphora frezii Carranza & Lindquist is threatening the peanut production in Argentina. Fungicides commonly used in the peanut crop have shown little or no effect controlling the disease, making it a priority to obtain peanut varieties resistant to sm...
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| Formato: | dataSet |
| Lenguaje: | Inglés |
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PlosOne
2022
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| Acceso en línea: | http://hdl.handle.net/11086/23190 |
| Aporte de: |
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I10-R14111086-23190 |
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dspace |
| institution |
Universidad Nacional de Córdoba |
| institution_str |
I-10 |
| repository_str |
R-141 |
| collection |
Repositorio Digital Universitario (UNC) |
| language |
Inglés |
| topic |
Peanut crop Elite peanut cultivars Disease resistance parameters Peanut smut resistance https://purl.org/becyt/ford/1.5 |
| spellingShingle |
Peanut crop Elite peanut cultivars Disease resistance parameters Peanut smut resistance https://purl.org/becyt/ford/1.5 Bressano, Marina Massa, Alicia N. Arias, René S. De Blas, F. Odinno, Claudio Faustinelli, Paola Carmen Soave, Sara J. Soave, Juan H. Perez Flores, María Antonieta Sobolev, Víctor S. Lamb, Marshall C. Balzarini, Mónica Buteler, Mario I. Seijo, J. Guillermo Introgression of peanut smut resistance from landraces to elite peanut cultivars (Arachis hypogaea L.) |
| topic_facet |
Peanut crop Elite peanut cultivars Disease resistance parameters Peanut smut resistance https://purl.org/becyt/ford/1.5 |
| description |
Smut disease caused by the fungal pathogen Thecaphora frezii Carranza & Lindquist is threatening the peanut production in Argentina. Fungicides commonly used in the peanut crop have shown little or no effect controlling the disease, making it a priority to obtain peanut varieties resistant to smut. In this study, recombinant inbred lines (RILs) were developed from three crosses between three susceptible peanut elite cultivars (Arachis hypogaea L. subsp. hypogaea) and two resistant landraces (Arachis hypogaea L. subsp. fastigiata Waldron). Parents and RILs were evaluated under high inoculum pressure (12000 teliospores g-1 of soil) over three years. Disease resistance parameters showed a broad range of variation with incidence mean values ranging from 1.0 to 35.0% and disease severity index ranging from 0.01 to 0.30. Average heritability (h2) estimates of 0.61 to 0.73 indicated that resistance in the RILs was heritable, with several lines (4 to 7 from each cross) showing a high degree of resistance and stability over three years. Evidence of genetic transfer between genetically distinguishable germplasm (introgression in a broad sense) was further supported by simple-sequence repeats (SSRs) and Insertion/Deletion (InDel) marker genotyping. This is the first report of smut genetic resistance identified in peanut landraces and its introgression into elite peanut cultivars. |
| format |
dataSet |
| author |
Bressano, Marina Massa, Alicia N. Arias, René S. De Blas, F. Odinno, Claudio Faustinelli, Paola Carmen Soave, Sara J. Soave, Juan H. Perez Flores, María Antonieta Sobolev, Víctor S. Lamb, Marshall C. Balzarini, Mónica Buteler, Mario I. Seijo, J. Guillermo |
| author_facet |
Bressano, Marina Massa, Alicia N. Arias, René S. De Blas, F. Odinno, Claudio Faustinelli, Paola Carmen Soave, Sara J. Soave, Juan H. Perez Flores, María Antonieta Sobolev, Víctor S. Lamb, Marshall C. Balzarini, Mónica Buteler, Mario I. Seijo, J. Guillermo |
| author_sort |
Bressano, Marina |
| title |
Introgression of peanut smut resistance from landraces to elite peanut cultivars (Arachis hypogaea L.) |
| title_short |
Introgression of peanut smut resistance from landraces to elite peanut cultivars (Arachis hypogaea L.) |
| title_full |
Introgression of peanut smut resistance from landraces to elite peanut cultivars (Arachis hypogaea L.) |
| title_fullStr |
Introgression of peanut smut resistance from landraces to elite peanut cultivars (Arachis hypogaea L.) |
| title_full_unstemmed |
Introgression of peanut smut resistance from landraces to elite peanut cultivars (Arachis hypogaea L.) |
| title_sort |
introgression of peanut smut resistance from landraces to elite peanut cultivars (arachis hypogaea l.) |
| publisher |
PlosOne |
| publishDate |
2022 |
| url |
http://hdl.handle.net/11086/23190 |
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