Resistance inductors for potato late blight management in Peru
The effectiveness and efficiency of commercial resistance inductors (RIs) for LB control in the central highlands of Peru were studied. Susceptible plants of cv. Yungay were sprayed with PKplus®, Manvert Biolet®, Miconic® and Manvert Silikon®, and then they were inoculated with a complex P. infestan...
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| Format: | Poster |
| Language: | Inglés |
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International Potato Center
2018
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10568/97106 |
| _version_ | 1855536938691330048 |
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| author | Sanabria, K. Pérez, W. Sánchez, D. Andrade-Piedra, J.L. |
| author_browse | Andrade-Piedra, J.L. Pérez, W. Sanabria, K. Sánchez, D. |
| author_facet | Sanabria, K. Pérez, W. Sánchez, D. Andrade-Piedra, J.L. |
| author_sort | Sanabria, K. |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | The effectiveness and efficiency of commercial resistance inductors (RIs) for LB control in the central highlands of Peru were studied. Susceptible plants of cv. Yungay were sprayed with PKplus®, Manvert Biolet®, Miconic® and Manvert Silikon®, and then they were inoculated with a complex P. infestans isolate under laboratory and greenhouse conditions. PKplus® and Manvert Biolet® were the most effective in disease control. Both products were selected for field trials and were applied on four potato cultivars with different levels of susceptibility in three locations during the rainy season. Treatments were PKplus®, Manvert Biolet®; and propineb (alone or alternated); a Decision Support System (DSS, using systemic and/or contact fungicides); and a plot without fungicides. Relative area under the disease progress curve (RAUDPC), yield, environmental impact (EI) and marginal rate of return (MRR) were registered in all experiments. The most effective (low RAUDPC, high yield and low EI) and efficient (MRR > 50%) treatments were PKplus® and propineb alone, PKplus® alternated with propineb and the DSS in susceptible cultivars; PKplus® and Manvert Biolet® alternated with propineb, and propineb alone in a moderately resistant cultivar; and propineb alone in a resistant cultivar. These results showed that it´s possible to control potato LB in a profitable and environmentally-friendly manner, even in susceptible cultivars during the rainy season |
| format | Poster |
| id | CGSpace97106 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2018 |
| publishDateRange | 2018 |
| publishDateSort | 2018 |
| publisher | International Potato Center |
| publisherStr | International Potato Center |
| record_format | dspace |
| spelling | CGSpace971062025-11-29T05:22:21Z Resistance inductors for potato late blight management in Peru Sanabria, K. Pérez, W. Sánchez, D. Andrade-Piedra, J.L. phytophthora infestans potatoes fungicides economic analysis environmental impact The effectiveness and efficiency of commercial resistance inductors (RIs) for LB control in the central highlands of Peru were studied. Susceptible plants of cv. Yungay were sprayed with PKplus®, Manvert Biolet®, Miconic® and Manvert Silikon®, and then they were inoculated with a complex P. infestans isolate under laboratory and greenhouse conditions. PKplus® and Manvert Biolet® were the most effective in disease control. Both products were selected for field trials and were applied on four potato cultivars with different levels of susceptibility in three locations during the rainy season. Treatments were PKplus®, Manvert Biolet®; and propineb (alone or alternated); a Decision Support System (DSS, using systemic and/or contact fungicides); and a plot without fungicides. Relative area under the disease progress curve (RAUDPC), yield, environmental impact (EI) and marginal rate of return (MRR) were registered in all experiments. The most effective (low RAUDPC, high yield and low EI) and efficient (MRR > 50%) treatments were PKplus® and propineb alone, PKplus® alternated with propineb and the DSS in susceptible cultivars; PKplus® and Manvert Biolet® alternated with propineb, and propineb alone in a moderately resistant cultivar; and propineb alone in a resistant cultivar. These results showed that it´s possible to control potato LB in a profitable and environmentally-friendly manner, even in susceptible cultivars during the rainy season 2018 2018-09-09T18:41:39Z 2018-09-09T18:41:39Z Poster https://hdl.handle.net/10568/97106 en Open Access application/pdf International Potato Center Sanabria, K.; Perez, W.; Sanchez, D.; Andrade-Piedra, J.L. 2018. Resistance inductors for potato late blight management in Peru. 11. International Congress of Plant Pathology. Boston (USA). 29 Jul - 03 Aug 2018. 1 p. |
| spellingShingle | phytophthora infestans potatoes fungicides economic analysis environmental impact Sanabria, K. Pérez, W. Sánchez, D. Andrade-Piedra, J.L. Resistance inductors for potato late blight management in Peru |
| title | Resistance inductors for potato late blight management in Peru |
| title_full | Resistance inductors for potato late blight management in Peru |
| title_fullStr | Resistance inductors for potato late blight management in Peru |
| title_full_unstemmed | Resistance inductors for potato late blight management in Peru |
| title_short | Resistance inductors for potato late blight management in Peru |
| title_sort | resistance inductors for potato late blight management in peru |
| topic | phytophthora infestans potatoes fungicides economic analysis environmental impact |
| url | https://hdl.handle.net/10568/97106 |
| work_keys_str_mv | AT sanabriak resistanceinductorsforpotatolateblightmanagementinperu AT perezw resistanceinductorsforpotatolateblightmanagementinperu AT sanchezd resistanceinductorsforpotatolateblightmanagementinperu AT andradepiedrajl resistanceinductorsforpotatolateblightmanagementinperu |