Antifungal activity of cinnamon and mint extracts against white and basal rot of garlic

Document Type : Original Article

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1 Department of Botany (plant pathology), Faculty of Agriculture, South Valley University, 83523 Qena, Egypt.

2 Department of Botany (microbiology), Faculty of Agriculture, South Valley University, 83523 Qena, Egypt.

Abstract

Sclerotium cepivorum and Fusarium oxysporum f.Sp cepae are the causal of white rot and basal rot diseases and are the most damaging soil-borne pathogens that threaten garlic (Allium sativum) and other Allium species cultivation in Egypt. This study was carried out to test in vitro and in vivo the efficacy of the natural extracts as it is considered one of the better alternative methods for disease control using Baladi and Sides 40 cultivars. In vitro trails were organized using potato dextrose agar with adding Cinnamon (Cinnamomum zeylanicum) bark extract and Mint (Mentha) leaf extract at concentrations of (10%, 25% and 50%). The two different extracts were used to examine their effect on mycelial growth with reference control petri plate. It was observed that Cinnamon extract was the best plant extract treatment giving inhibition in mycelial growth. On the contrary, mint extract gave low suppression of the mycelia growth. It could be concluded that 50% concentration of cinnamon extract was used in vivo experiment as the most effective plant extract and concentration in vitro experiment.

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