Use of biological and chemical fungicides and biostimulators for potato protection against early and late blights
Ecological risks associated with chemical pesticides encourage application of biopesticides and integrated pest management. The study compared efficiency of the Manfil fungicide and Agat-25K biopreparation (single or combined with the ExelGrow biostimulator) against the late (LB) and early (EB) blig...
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Institute of field and vegetable crops, Novi Sad
2024-01-01
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| Series: | Ratarstvo i Povrtarstvo |
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| Online Access: | https://scindeks-clanci.ceon.rs/data/pdf/1821-3944/2024/1821-39442403095U.pdf |
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| _version_ | 1841554191591407616 |
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| author | Ukolova Anastasiya Demidova Valentina Vyatchinov Alexey Statsyuk Natalia Kuznetsova Maria |
| author_facet | Ukolova Anastasiya Demidova Valentina Vyatchinov Alexey Statsyuk Natalia Kuznetsova Maria |
| author_sort | Ukolova Anastasiya |
| collection | DOAJ |
| description | Ecological risks associated with chemical pesticides encourage application of biopesticides and integrated pest management. The study compared efficiency of the Manfil fungicide and Agat-25K biopreparation (single or combined with the ExelGrow biostimulator) against the late (LB) and early (EB) blights of potato. Field experiments were conducted with three potato cultivars (Arizona, Vektor, Aluett) of different resistance levels to the LB and EB diseases. Leaf blight development was registered as LB (Arizona), LB+EB (Vektor), and EB (Aluett). Agat25K delayed LB development under epiphytotic conditions on the susceptible cv. Arizona (biological efficiency 39%), though was inferior to Manfil (62%). On the contrary, for cv. Aluett, Agat-25K showed more significant EB suppression than Manfil (96 vs. 83%). Compared to the control, the yield increase of cv. Arizona was 15.8 t/ha for Agat-25K and 25.4 t/ha for Manfil. Tuber marketability increased by 28 and 13% for Agat-25K and Manfil, respectively. For moderately resistant and resistant cultivars (Vektor, Aluett), Agat-25K provided the highest yield increase compared to Manfil (19.1 vs. 16.7 t/ha for Vektor and 4.5 vs. 1.4 t/ha for Aluett, respectively), while the tuber marketability increased by 15% (Vektor) and 18% (Aluett). Agat-25K can be recommended for use on moderately-resistant cultivars under sporadic LB epiphytoties and for the EB control. ExelGrow application with Manfil and Agat-25K was first shown to improve their biological efficiency on moderately LB-resistant and LB-resistant cultivars (up to 12%). |
| format | Article |
| id | doaj-art-8c2aa272a98147118f2d962e743f2594 |
| institution | Kabale University |
| issn | 1821-3944 2217-8392 |
| language | English |
| publishDate | 2024-01-01 |
| publisher | Institute of field and vegetable crops, Novi Sad |
| record_format | Article |
| series | Ratarstvo i Povrtarstvo |
| spelling | doaj-art-8c2aa272a98147118f2d962e743f25942025-01-08T16:36:35ZengInstitute of field and vegetable crops, Novi SadRatarstvo i Povrtarstvo1821-39442217-83922024-01-016139510410.5937/ratpov61-511991821-39442403095UUse of biological and chemical fungicides and biostimulators for potato protection against early and late blightsUkolova Anastasiya0Demidova Valentina1https://orcid.org/0000-0002-0390-4043Vyatchinov Alexey2https://orcid.org/0000-0003-3775-8459Statsyuk Natalia3https://orcid.org/0000-0001-6159-148XKuznetsova Maria4https://orcid.org/0000-0002-9880-5995All-Russian Research Institute of Phytopathology, Bolshie Vyazemy, Moscow region, RussiaAll-Russian Research Institute of Phytopathology, Bolshie Vyazemy, Moscow region, RussiaAll-Russian Research Institute of Phytopathology, Bolshie Vyazemy, Moscow region, RussiaAll-Russian Research Institute of Phytopathology, Bolshie Vyazemy, Moscow region, RussiaAll-Russian Research Institute of Phytopathology, Bolshie Vyazemy, Moscow region, RussiaEcological risks associated with chemical pesticides encourage application of biopesticides and integrated pest management. The study compared efficiency of the Manfil fungicide and Agat-25K biopreparation (single or combined with the ExelGrow biostimulator) against the late (LB) and early (EB) blights of potato. Field experiments were conducted with three potato cultivars (Arizona, Vektor, Aluett) of different resistance levels to the LB and EB diseases. Leaf blight development was registered as LB (Arizona), LB+EB (Vektor), and EB (Aluett). Agat25K delayed LB development under epiphytotic conditions on the susceptible cv. Arizona (biological efficiency 39%), though was inferior to Manfil (62%). On the contrary, for cv. Aluett, Agat-25K showed more significant EB suppression than Manfil (96 vs. 83%). Compared to the control, the yield increase of cv. Arizona was 15.8 t/ha for Agat-25K and 25.4 t/ha for Manfil. Tuber marketability increased by 28 and 13% for Agat-25K and Manfil, respectively. For moderately resistant and resistant cultivars (Vektor, Aluett), Agat-25K provided the highest yield increase compared to Manfil (19.1 vs. 16.7 t/ha for Vektor and 4.5 vs. 1.4 t/ha for Aluett, respectively), while the tuber marketability increased by 15% (Vektor) and 18% (Aluett). Agat-25K can be recommended for use on moderately-resistant cultivars under sporadic LB epiphytoties and for the EB control. ExelGrow application with Manfil and Agat-25K was first shown to improve their biological efficiency on moderately LB-resistant and LB-resistant cultivars (up to 12%).https://scindeks-clanci.ceon.rs/data/pdf/1821-3944/2024/1821-39442403095U.pdfalternaria solanibiopreparationsintegrated crop protectionleaf blightsphytophthora infestanspotato |
| spellingShingle | Ukolova Anastasiya Demidova Valentina Vyatchinov Alexey Statsyuk Natalia Kuznetsova Maria Use of biological and chemical fungicides and biostimulators for potato protection against early and late blights Ratarstvo i Povrtarstvo alternaria solani biopreparations integrated crop protection leaf blights phytophthora infestans potato |
| title | Use of biological and chemical fungicides and biostimulators for potato protection against early and late blights |
| title_full | Use of biological and chemical fungicides and biostimulators for potato protection against early and late blights |
| title_fullStr | Use of biological and chemical fungicides and biostimulators for potato protection against early and late blights |
| title_full_unstemmed | Use of biological and chemical fungicides and biostimulators for potato protection against early and late blights |
| title_short | Use of biological and chemical fungicides and biostimulators for potato protection against early and late blights |
| title_sort | use of biological and chemical fungicides and biostimulators for potato protection against early and late blights |
| topic | alternaria solani biopreparations integrated crop protection leaf blights phytophthora infestans potato |
| url | https://scindeks-clanci.ceon.rs/data/pdf/1821-3944/2024/1821-39442403095U.pdf |
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