Several macrobasidiomycete fungi have potential biological properties naturally to combat fungal diseases. F.oxysporum f.sp. lycopersici is a soilborne ascomycetous fungus, which causes disease in several vegetable crops. The present study aimed to explore the antifungal activity of VOCs produced by several macrobasidiomycete fungi against F. oxysporum f.sp. lycopersici. The VOCs emitted by macrobasidiomycete fungi were demonstrated by the inverted sealed plate assay against the target pathogen. Among the mushroom isolate tested in vitro, the VOCs exhibited from Coprinus cinereus inhibited 70 % mycelial growth of F. oxysporum f.sp. lycopersici, followed by Ganoderma lucidum (60.28 %) and Lentinus edodes (35.28 %). In addition to inhibition of the pathogen, the headspace volatiles emitted by the effective isolate were trapped by Tenax column and subjected to GC-MS analysis. A total of 15 and 25 VOCs were identified from C. cinereus and G. lucidum, respectively. Among them, Alfa copaene showed a peak area percentage of 7.82 (14.99 RT) in Coprinus cinereus. followed by 2 undecanone. Similarly, trichloromethane and 1- pentanol produced from G. lucidum, showed high relative abundance of 71.5 per cent at 9.84 RT and 70.3 per cent at 2.69 RT, respectively. The VOCs produced by macrobasidiomycete fungi could possess antimicrobial activities against the fungal pathogen. These volatile compounds may be explored as a novel biocontrol agent against soil borne pathogens of vegetable crop.
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