Chemical Composition and Antifungal Activity of the Plant Extracts of Turkey Cardaria Draba (L) Desv.
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The main components of Cardaria draba (L.) Devs. essential oils were chemically analysed and identified by GC-MS. They were: 5-(methylthio)-pentanenitrile (41.13%), decane (11.40%) and nonane (10.93%). Antifungal activity of C. draba methanol and aquatic extracts against the plant pathogens Fusarium oxysporum f. sp. lycopersici (FOL), Alternaria solani, Verticilium dahliae, Rhizoctonia solani, and Sclerotinia sclerotiorum in vitro was determined. Various volumes of methanol and aquatic extracts were mixed with the sterile PDA to obtain different concentrations. In order to examine the used plant extracts, percentages of mycelium inhibition (MGI) values were calculated to compare with the positive control (80% Thiram), which is a standard fungicide. The used plant extract were showed significant antifungal activity against plant pathogenic fungi.