Efficacy of Fungicides against Myrothecium roridum, the Causal Agent of Leaf Spot in Sesame (Sesamum indicum L.) under In vitro and In vivo Conditions
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| Formato: | Recurso digital |
| Lenguaje: | inglés |
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2025
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| _version_ | 1866902113019232256 |
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| author | Yogesh Kumar✉ |
| author_facet | Yogesh Kumar✉ |
| contents | <table style="margin-left: -12.75pt; border-collapse: collapse;"> <tbody> <tr style="height: 14.9pt;"> <td style="width: 347.2pt; padding: 0cm 5.4pt 0cm 5.4pt; height: 14.9pt;"> <p><strong><span lang="EN-US">ABSTRACT</span></strong></p> </td> <td style="padding: 0cm 0cm 0cm 0cm;"> <p> </p> </td> </tr> <tr style="height: 108.3pt;"> <td style="width: 354.25pt; padding: 0cm 5.4pt 0cm 5.4pt; height: 108.3pt;" colspan="2"> <p><span lang="EN-US">Sesame <em>(Sesamum indicum L.)</em>, a vital oilseed crop in India and worldwide, is frequently constrained by foliar diseases, particularly leaf spot caused by <em>Myrothecium roridum.</em> The pathogen causes severe yield losses and deteriorates oil quality, making its management critical for sustaining sesame production. The present study evaluated the efficacy of systemic and non-systemic fungicides through in vitro assays, seed treatment trials, and field experiments. Eighteen fungicides were screened against<em> M. roridum </em>using poisoned food technique, followed by seed treatment trials on naturally infected sesame seeds, and replicated field trials under Kharif conditions. In vitro results indicated complete inhibition (100%) of fungal growth by Benomyl, Bavistin, Metalaxyl, Vitavax, Topsin-M, and Thiram. In seed treatment studies, Vitavax and Bavistin recorded the highest reduction in seed-borne infection (94.0% and 90.2%, respectively). Field experiments over two years revealed Bavistin (0.10%) and Benomyl (0.15%) as the most effective foliar sprays, reducing disease incidence by 75–78%, followed by Metalaxyl (72%). The findings suggest that fungicides, especially Bavistin and Benomyl, can play a central role in integrated disease management modules for sesame.</span></p> <p><span lang="EN-US"> </span></p> <p></p> <table> <tbody> <tr> <td> </td> </tr> </tbody> </table> <p> <strong><span lang="EN-US">Keywords:</span></strong><span lang="EN-US"> </span><span lang="EN-US">Sesame, <em>Myrothecium roridum,</em> leaf spot, fungicides, seed treatment, field evaluation.</span></p> <p><strong><span lang="EN-US"> </span></strong></p> </td> </tr> </tbody> </table> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_17161256 |
| institution | Zenodo |
| language | eng |
| publishDate | 2025 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | Efficacy of Fungicides against Myrothecium roridum, the Causal Agent of Leaf Spot in Sesame (Sesamum indicum L.) under In vitro and In vivo Conditions Yogesh Kumar✉ Sesame, Myrothecium roridum, leaf spot, fungicides, seed treatment, field evaluation. <table style="margin-left: -12.75pt; border-collapse: collapse;"> <tbody> <tr style="height: 14.9pt;"> <td style="width: 347.2pt; padding: 0cm 5.4pt 0cm 5.4pt; height: 14.9pt;"> <p><strong><span lang="EN-US">ABSTRACT</span></strong></p> </td> <td style="padding: 0cm 0cm 0cm 0cm;"> <p> </p> </td> </tr> <tr style="height: 108.3pt;"> <td style="width: 354.25pt; padding: 0cm 5.4pt 0cm 5.4pt; height: 108.3pt;" colspan="2"> <p><span lang="EN-US">Sesame <em>(Sesamum indicum L.)</em>, a vital oilseed crop in India and worldwide, is frequently constrained by foliar diseases, particularly leaf spot caused by <em>Myrothecium roridum.</em> The pathogen causes severe yield losses and deteriorates oil quality, making its management critical for sustaining sesame production. The present study evaluated the efficacy of systemic and non-systemic fungicides through in vitro assays, seed treatment trials, and field experiments. Eighteen fungicides were screened against<em> M. roridum </em>using poisoned food technique, followed by seed treatment trials on naturally infected sesame seeds, and replicated field trials under Kharif conditions. In vitro results indicated complete inhibition (100%) of fungal growth by Benomyl, Bavistin, Metalaxyl, Vitavax, Topsin-M, and Thiram. In seed treatment studies, Vitavax and Bavistin recorded the highest reduction in seed-borne infection (94.0% and 90.2%, respectively). Field experiments over two years revealed Bavistin (0.10%) and Benomyl (0.15%) as the most effective foliar sprays, reducing disease incidence by 75–78%, followed by Metalaxyl (72%). The findings suggest that fungicides, especially Bavistin and Benomyl, can play a central role in integrated disease management modules for sesame.</span></p> <p><span lang="EN-US"> </span></p> <p></p> <table> <tbody> <tr> <td> </td> </tr> </tbody> </table> <p> <strong><span lang="EN-US">Keywords:</span></strong><span lang="EN-US"> </span><span lang="EN-US">Sesame, <em>Myrothecium roridum,</em> leaf spot, fungicides, seed treatment, field evaluation.</span></p> <p><strong><span lang="EN-US"> </span></strong></p> </td> </tr> </tbody> </table> |
| title | Efficacy of Fungicides against Myrothecium roridum, the Causal Agent of Leaf Spot in Sesame (Sesamum indicum L.) under In vitro and In vivo Conditions |
| topic | Sesame, Myrothecium roridum, leaf spot, fungicides, seed treatment, field evaluation. |
| url | https://doi.org/10.5281/zenodo.17161256 |