Diversity of Rice yellow mottle virus in Benin and Togo and Screening for Resistant Accessions
Surveys were conducted in rice fields in Benin, Cote d'Ivoire, Mali, Nigeria, Togo and Niger to assess the importance of Rice yellow mottle virus (RYMV). Diseased leaf samples were collected. In Togo, surveys were made mainly in the southern part of the country, and in Benin, all areas where rice is...
| Autores principales: | , , , |
|---|---|
| Formato: | Journal Article |
| Lenguaje: | Inglés |
| Publicado: |
Wiley
2016
|
| Materias: | |
| Acceso en línea: | https://hdl.handle.net/10568/118317 |
| _version_ | 1855523387506425856 |
|---|---|
| author | Oludare, A. Tossou, H.T. Kini, K. Silué, D. |
| author_browse | Kini, K. Oludare, A. Silué, D. Tossou, H.T. |
| author_facet | Oludare, A. Tossou, H.T. Kini, K. Silué, D. |
| author_sort | Oludare, A. |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | Surveys were conducted in rice fields in Benin, Cote d'Ivoire, Mali, Nigeria, Togo and Niger to assess the importance of Rice yellow mottle virus (RYMV). Diseased leaf samples were collected. In Togo, surveys were made mainly in the southern part of the country, and in Benin, all areas where rice is grown were covered. Leaf samples were serologically confirmed by ACP ELISA as bearing RYMV, propagated and all conserved. One hundred and forty‐eight (148) Beninese and 27 Togolese strains were serotyped. They were also phenotyped on three susceptible accessions including IR 64, four resistant lines with known alleles on RYMV 1 gene namely TOG 5681 (rymv 1‐3), TOG 5672 (rymv 1‐4 and RYMV 2), TOG 5674 (rymv 1.5) and Gigante (rymv 1‐2). RYMV spots with 9–100% incidences were identified. Serotyping by triple antibody sandwich (TAS) ELISA indicated that two main groups S1 and S2 coexisted in Benin with S1 being prevalent. In Togo, 26 strains were S1 and only one was S2. Phenotyping of the 148 Beninese and 27 Togolese indicated that they all attacked the three susceptible accessions, while TOG 5681 (rymv 1‐3), TOG 5672 (rymv 1‐4 and RYMV 2), TOG 5674 (rymv 1‐5) and Gigante (rymv 1‐2) remained symptomless. The use of the genes/alleles above in these countries against the disease is discussed. Three representative Beninese strains were selected to screen 48 accessions for disease resistance. Nine accessions were as susceptible as IR 64 to all strains while six (NERICA 9, NERICA 12, NERICA 13, TOG 7291, WAB56‐50, CG 14 and Moroberekan) were very resistant. Susceptibility of the six ARICA and resistance of some NERICA lines could be explained by the fact that one or both parental lines were, respectively, susceptible or resistant to the strains. |
| format | Journal Article |
| id | CGSpace118317 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2016 |
| publishDateRange | 2016 |
| publishDateSort | 2016 |
| publisher | Wiley |
| publisherStr | Wiley |
| record_format | dspace |
| spelling | CGSpace1183172023-10-02T08:30:18Z Diversity of Rice yellow mottle virus in Benin and Togo and Screening for Resistant Accessions Oludare, A. Tossou, H.T. Kini, K. Silué, D. serotypes rice rice yellow mottle virus Surveys were conducted in rice fields in Benin, Cote d'Ivoire, Mali, Nigeria, Togo and Niger to assess the importance of Rice yellow mottle virus (RYMV). Diseased leaf samples were collected. In Togo, surveys were made mainly in the southern part of the country, and in Benin, all areas where rice is grown were covered. Leaf samples were serologically confirmed by ACP ELISA as bearing RYMV, propagated and all conserved. One hundred and forty‐eight (148) Beninese and 27 Togolese strains were serotyped. They were also phenotyped on three susceptible accessions including IR 64, four resistant lines with known alleles on RYMV 1 gene namely TOG 5681 (rymv 1‐3), TOG 5672 (rymv 1‐4 and RYMV 2), TOG 5674 (rymv 1.5) and Gigante (rymv 1‐2). RYMV spots with 9–100% incidences were identified. Serotyping by triple antibody sandwich (TAS) ELISA indicated that two main groups S1 and S2 coexisted in Benin with S1 being prevalent. In Togo, 26 strains were S1 and only one was S2. Phenotyping of the 148 Beninese and 27 Togolese indicated that they all attacked the three susceptible accessions, while TOG 5681 (rymv 1‐3), TOG 5672 (rymv 1‐4 and RYMV 2), TOG 5674 (rymv 1‐5) and Gigante (rymv 1‐2) remained symptomless. The use of the genes/alleles above in these countries against the disease is discussed. Three representative Beninese strains were selected to screen 48 accessions for disease resistance. Nine accessions were as susceptible as IR 64 to all strains while six (NERICA 9, NERICA 12, NERICA 13, TOG 7291, WAB56‐50, CG 14 and Moroberekan) were very resistant. Susceptibility of the six ARICA and resistance of some NERICA lines could be explained by the fact that one or both parental lines were, respectively, susceptible or resistant to the strains. 2016-12 2022-03-03T13:59:58Z 2022-03-03T13:59:58Z Journal Article https://hdl.handle.net/10568/118317 en Open Access Wiley Oludare, A., Tossou, H.T., Kini, K. and Silué, D. 2016. Diversity of Rice yellow mottle virus in Benin and Togo and Screening for Resistant Accessions. Journal of Phytopathology. Volume 164, Issue 11-12:924-935. |
| spellingShingle | serotypes rice rice yellow mottle virus Oludare, A. Tossou, H.T. Kini, K. Silué, D. Diversity of Rice yellow mottle virus in Benin and Togo and Screening for Resistant Accessions |
| title | Diversity of Rice yellow mottle virus in Benin and Togo and Screening for Resistant Accessions |
| title_full | Diversity of Rice yellow mottle virus in Benin and Togo and Screening for Resistant Accessions |
| title_fullStr | Diversity of Rice yellow mottle virus in Benin and Togo and Screening for Resistant Accessions |
| title_full_unstemmed | Diversity of Rice yellow mottle virus in Benin and Togo and Screening for Resistant Accessions |
| title_short | Diversity of Rice yellow mottle virus in Benin and Togo and Screening for Resistant Accessions |
| title_sort | diversity of rice yellow mottle virus in benin and togo and screening for resistant accessions |
| topic | serotypes rice rice yellow mottle virus |
| url | https://hdl.handle.net/10568/118317 |
| work_keys_str_mv | AT oludarea diversityofriceyellowmottlevirusinbeninandtogoandscreeningforresistantaccessions AT tossouht diversityofriceyellowmottlevirusinbeninandtogoandscreeningforresistantaccessions AT kinik diversityofriceyellowmottlevirusinbeninandtogoandscreeningforresistantaccessions AT silued diversityofriceyellowmottlevirusinbeninandtogoandscreeningforresistantaccessions |