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Influence of natural essential oils on phytopathogenic strains alternaria alternata and cladosporium cladosporioides
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| Author:
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YULIA KURKINA, ALEKSANDR V. LAZAREV, ELENA P. ESINA, ANASTASIA S. BARSKOVA, ANNA YU. SHERBAKOVA
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| Abstract:
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Instead of chemical fungicides, biological ones should be used, based on which plant essential oils can be used. Plant diseases alternariosis and cladosporiosis cause leaf necrosis and lead to large losses in seed productivity. Therefore, it is important to search for new effective and safe means of protection against phytopathogenic hyphomycetes. The strains of Alternaria alternata and Cladosporium cladosporioides were isolated from the leaves of Vicia faba, and they were tested for the effect of the essential oils Artemisia vulgaris, Caryophyllus aromaticus, Coriandrum sativum, Lavandula officinalis, Ocimum basilicum, Pimpinella anisum, Rosmarinus officinalis, Salvia sclarea, Thymus vulgaris. To compare the antifungal activity of essential oils, the diameter of the experimental colonies (with the addition of essential oil on the Petri dish cover) and control colonies was measured using the author’s scale. It was found that all the studied essential oils had antifungal properties, but species-specificity was noted. Essential oils of basil, coriander and thyme showed a fungicidal effect on both strains. The fungicide for A. alternata and the strong fungistatic for C. cladosporioides was lavender oil. When creating a biological product to protect plants from alternariosis, sage essential oil with a medium fungistatic effect can also be used, and anise and rosemary oils can be used to protect plants from cladosporiosis.
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| Keyword:
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alternariosis, cladosporiosis, phytopathogens, broad beans, boifungicides, fungistatic activity, essential oils
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| EOI:
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-
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| DOI:
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https://doi.org/10.31838/ijpr/2020.12.02.209
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| Download:
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