Determination of Antifungal Activities on Some Plant Extracts on Alternaria alternata
2024
Derya Öğüt Yavuz | Havva Dinler | Ayşe Uysal Morca
To increase yield and quality in agricultural production, it is necessary to perform management against diseases and pests. Alternaria, which causes several diseases in many economically important plants, is the most common species and widely distributed in nature. One of the important species reported in sweet cherry in recent years is Alternaria alternata. Many studies have emphasized the necessity of effective control with Alternaria species and examined the use of environmentally friendly methods against fungal diseases. In recent years, the use of plant extracts has increased due to their antimicrobial properties. Antifungal effects of Datura stramonium L., Vitex agnus-castus L., Xanthium strumarium L., Capsella bursa-pastoris L., Convolvulus arvensis L., Viscum album L., Echinophora tenuifolia L. subsp. sibthorpiana (Guss.) Tutin, Amaranthus retroflexus L., Chenopodium album L., Tribulus terrestris L., Solanum nigrum L., Nerium oleander L., Circium arvense (L.) Scop. and Brassica oleracea L. aqueous extracts were determined against Alternaria alternata. At the end of the 7-day incubation period, the mycelial growth of the fungi was measured and the antifungal effect of plant extracts was determined. As a result, the extracts were determined to inhibit mycelial growth compared to control. The plant water extracts used in the study were determined to inhibit the mycelial development of the pathogen by 20.20% to 77.12%. It is considered that different solvents and concentrations should be addressed to guide further studies. It was also concluded that potential plant species that may show anti-fungal properties should be evaluated.
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