Abstract
Background: Fusarium species is one of the most devastating fungi responsible for fruit and vegetable crops rot worldwide. The present study was designed to find an ecofriendly control measure for pathogenic Fusarium species, using suitable bioagents. Methods: Medicinal plant extracts were evaluated or their antifungal activities against Fusarium species using the poisoned food method. Antagonistic potency of some nonpathogenic microbes was also assessed on Fusarium species using the dual culture method. Results: Highest inhibitionofgrowth of Fusariumsp. wasobservedwith 68.1% (0.389 mg per 90 mm Petri plate) of mycelia on Coccinia grandis plant leaf extract, in comparison to the control grown with 100.0% (1.22 mg/dish). The highest inhibition of radial growth was observed using Trichoderma viride on Fusarium sp. (46.01% inhibition). Conclusions: The findings of present study would be benevolent for antifungal drug development to control Fusarium sp. causing fruit and vegetable rot.
Highlights
Fusarium species are a large genus of hyaline filamentous mold fungi, responsible for fruit and vegetable crop rot (Al-Najada & Gherbawy, 2015; Ziedan et al, 2018)
The highest inhibition of growth of the isolates was observed at 68.1% of mycelium on Coccinia grandis, which was followed by 64.1% on Allium sativum, in comparison to the control culture (100.0%)
In vitro antagonistic assay The highest percentage inhibition of radial growth was observed with Trichoderma viride (46.01%) against Fusarium, which was followed by 43.33% and 32.05% on Escherichia coli and Rhizobium phaseoli, respectively (Figure 3)
Summary
Fusarium species are a large genus of hyaline filamentous mold fungi, responsible for fruit and vegetable crop rot (Al-Najada & Gherbawy, 2015; Ziedan et al, 2018). Numerous species of Fusarium contribute to yield loss and reduced quality to varying degrees by infection with some mycotoxins (O’Donnell et al, 2009). They cause decay of various fruit in storage and postharvest conditions (Whiteside et al, 1988). The fruit rot caused by Fusarium incurs enormous yield losses and is often observed in fields and markets (Baria et al, 2015). Conclusions: The findings of present study would be benevolent for antifungal drug development to control Fusarium sp. causing fruit and vegetable rot
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