Unravelling Aspergillus-Fusarium co-culture impact on biometry of Fusarium basal rot in onion

Hassane, A. M. A.; Abdelrahem, M. M. M.; Abo-Dahab, N. F.; Abouelela, M. E.

doi:10.21608/aasj.2025.347654.1179

	Unravelling Aspergillus-Fusarium co-culture impact on biometry of Fusarium basal rot in onion
Archives of Agriculture Sciences Journal
Volume 7, Issue 3, December 2024, Page 65-83 PDF (679.44 K)
Document Type: Research article
DOI: 10.21608/aasj.2025.347654.1179
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Authors
A. M. A. Hassane ¹; M. M. M. Abdelrahem¹; N. F. Abo-Dahab¹; M. E. Abouelela²
¹Department of Botany and Microbiology, Faculty of Science, Al-Azhar University, Assiut Branch, Assiut 71524, Egypt
²Department of Pharmacognosy, Faculty of Pharmacy (Boys), Al-Azhar University, Cairo 11884, Egypt
Abstract
Onion basal rot, a serious and persistent disease problem caused by Fusarium proliferatum, results in severe yield reductions, impacting both quantity and quality of onion worldwide. Fusarium proliferatum penetrates roots leading to decay and wilting of the onion plant. It is important to manage this disease to minimize its effects. Here, we investigated the bioactivity of co-culture extract of Aspergillus ochraceus-F. proliferatum (AF) against F. proliferatum responsible for Fusarium basal rot (FBR) in a greenhouse experiment. The results demonstrated that the AF co-culture extract treatment reduced the percentage of infected plants to 0% and significantly enhanced all growth parameters in infected onion plants. Moreover, the treatment with AF co-culture extract performed the highest values in infected onion plant with total pigments of 3.24 mg/g, carbohydrates of 48.95 mg/g, proteins of 105.23 mg/g, phenolics of 41.64 mg/g, and flavonoids of 8.03 mg/g compared with monocultures extracts and chemical fungicide treatments, and healthy control plant. This establishes that fungal co-cultures bioagents represent a promising prospect as substitutes to chemical fungicides beside ameliorating plant growth.
Keywords
Fusarium basal rot; onion; co-culture; greenhouse; growth parameters


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