Antimicrobial activity of essential oils of Thymus vulgaris and Oreganum vulgare on phytopathogenic strains isolated from soybean
- Oliva, Maria de Las Mercedes
- Carezzano, Maria Evangelina
- Giuliano, M.
- Daghero, Jorge
- Zygadlo, Julio Alberto
- Bogino, Pablo Cesar
- Giordano, Walter Fabian
- Demo, M.
DOIAbstract
The aim of this work was to study the antimicrobial activity of essential oils obtained from Thymus vulgaris (thyme) and Origanum vulgare (oregano) on phytopathogenic Pseudomonas species isolated from soybean. Strains with characteristics of P. syringae were isolated from leaves of soybean plants with blight symptoms. Ten of these could be identified in Group Ia of LOPAT as P. syringae. Six of these were confirmed as P. syringae using 16S rRNA, indicating the presence of these phytopathogenic bacteria in east and central Argentina. All the phytopathogenic bacteria were re-isolated and identified from the infected plants. MIC values for thyme were 11.5 and 5.7 mgml 1 on P. syringae strains, while oregano showed variability in the inhi...
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