Induction of Resistance in Basil Plants to Root-rot and Wilt Diseases by Biochar, Silica, and Sodium Silicate | ||||
| Assiut Journal of Agricultural Sciences | ||||
| Article 8, Volume 56, Issue 3, July 2025, Page 90-103 PDF (493.79 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/ajas.2025.366783.1469 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
Mohamed H.A. Hassan1; Mohamed A.E. Hassan1; Shorouk H. M. Gheit  1; Mohamed A. Khalil2
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| 1Plant Pathology Department, Faculty of Agriculture, Assiut University, Assiut, Egypt | ||||
| 2Plant Pathology Research Institute, Agriculture Research Center, Giza, Egypt. | ||||
| Abstract | ||||
| Basil plants (Ocimum basilicum L.) are affected by several soil-borne diseases leading to significant reductions in crop productivity. Root-rot and wilt diseases are prevalent in basil cultivation in the Assiut governorate.The fungi isolated from diseased basil plants included Fusarium oxysporum, Rhizoctonia solani, Fusarium moniliforme, Fusarium semitectum, Macrophomina phaseolina, and Alternaria alternata. The results confirmed that F. oxysporum and R. solani exhibited the highest incidence and frequency during isolation. Moreover, F. oxysporum was a highly pathogenic isolate, causing wilt in basil plants when compared to uninfected control plants. Silica gel (6 g/L) was the most effective treatment, followed by sodium silicate and biochar, in reducing the linear mycelial growth of the six tested fungi compared with untreated control. Under greenhouse conditions, silica gel significantly decreased disease severity, followed by sodium silicate, whereas biochar provided moderate disease suppression during both the 2023 and 2024 growing seasons. | ||||
| Keywords | ||||
| Induction of resistance; Basil; Biochar; Sodium silicate; Silica gel | ||||
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