Effect of Integrated Disease Management (IDM) Practices on Disease Severity and Incidence of Common Scab of Potato
Abstract Common scab is a disease caused by Streptomyces spp. that can significantly reduce potato crop yield and quality, affecting marketability. Traditionally, pesticides have been used to prevent this disease, but this approach has several drawbacks, including the development of pesticide resistance and negative effects on the environment and human health. Therefore, it was essential to develop eco-friendly Integrated Disease Management (IDM) strategies for common scab management. In this study, we evaluated 13 different treatments in various combinations with three replications each. We found that treatment T2 (soil amendments with gypsum at 2.0 t/ha + tuber treatments with Trichoderma harzianum at 5 g/kg + foliar spray of copper oxychloride with streptocycline in a 3:1 ratio) showed the highest reduction in disease severity (3.63%) and incidence (1.79%) compared to the control (46.60% and 34.57%, respectively). Moreover, IDM practices also altered the physiochemical properties of the soil. T2 treatment resulted in the highest pH value of 5.86 after planting and 5.30 after harvesting, with the minimum Electrical Conductivity (EC) value estimated to be 0.089 S/m after planting and 0.087 S/m after harvesting. After planting, T2 treatment showed a soil content of 2.12 mg/kg zinc, 3.41 mg/kg copper, and 38.83 mg/kg iron, which increased to 2.42 mg/kg zinc, 3.27 mg/kg copper, and 38.39 mg/kg iron after harvesting. T4 treatment (soil amendments with elemental sulphur at 0.5 t/ha + tuber treatments with T. harzianum at 5 g/kg + foliar spray of copper oxychloride with streptocycline in a 3:1 ratio) showed the highest sulphur content, estimated at 47.69 mg/kg after planting and 48.43 mg/kg after harvesting, and reduced the disease severity and incidence by 10.89% and 7.19%, respectively. T3 treatment ($ MnSO_{4} $ at 15 kg/ha + T. harzianum at 5 g/kg + copper oxychloride with streptocycline in a 3:1 ratio) resulted in the highest soil content of manganese, with 96.47 mg/kg after planting and 98.84 mg/kg after harvesting. Overall, T2 treatment showed the most effective control against common scab disease and is recommended as the best IDM strategy for potato common scab management..
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:67 |
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| Enthalten in: |
Potato research - 67(2023), 1 vom: 19. Juni, Seite 271-292 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Kumar, Shivam [VerfasserIn] |
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| Links: |
Volltext [lizenzpflichtig] |
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| BKL: | |
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| Themen: |
Disease incidence |
| Anmerkungen: |
© The Author(s), under exclusive licence to European Association for Potato Research 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
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| doi: |
10.1007/s11540-023-09629-5 |
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| 520 | |a Abstract Common scab is a disease caused by Streptomyces spp. that can significantly reduce potato crop yield and quality, affecting marketability. Traditionally, pesticides have been used to prevent this disease, but this approach has several drawbacks, including the development of pesticide resistance and negative effects on the environment and human health. Therefore, it was essential to develop eco-friendly Integrated Disease Management (IDM) strategies for common scab management. In this study, we evaluated 13 different treatments in various combinations with three replications each. We found that treatment T2 (soil amendments with gypsum at 2.0 t/ha + tuber treatments with Trichoderma harzianum at 5 g/kg + foliar spray of copper oxychloride with streptocycline in a 3:1 ratio) showed the highest reduction in disease severity (3.63%) and incidence (1.79%) compared to the control (46.60% and 34.57%, respectively). Moreover, IDM practices also altered the physiochemical properties of the soil. T2 treatment resulted in the highest pH value of 5.86 after planting and 5.30 after harvesting, with the minimum Electrical Conductivity (EC) value estimated to be 0.089 S/m after planting and 0.087 S/m after harvesting. After planting, T2 treatment showed a soil content of 2.12 mg/kg zinc, 3.41 mg/kg copper, and 38.83 mg/kg iron, which increased to 2.42 mg/kg zinc, 3.27 mg/kg copper, and 38.39 mg/kg iron after harvesting. T4 treatment (soil amendments with elemental sulphur at 0.5 t/ha + tuber treatments with T. harzianum at 5 g/kg + foliar spray of copper oxychloride with streptocycline in a 3:1 ratio) showed the highest sulphur content, estimated at 47.69 mg/kg after planting and 48.43 mg/kg after harvesting, and reduced the disease severity and incidence by 10.89% and 7.19%, respectively. T3 treatment ($ MnSO_{4} $ at 15 kg/ha + T. harzianum at 5 g/kg + copper oxychloride with streptocycline in a 3:1 ratio) resulted in the highest soil content of manganese, with 96.47 mg/kg after planting and 98.84 mg/kg after harvesting. Overall, T2 treatment showed the most effective control against common scab disease and is recommended as the best IDM strategy for potato common scab management. | ||
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