Inhibition effects of Zataria multiflora, Eucalyptus camaldulensis and Myrtus communis essential oil on mycelial growth of green mold of Orange

In this study, Penicillium digitatum, the causes of green mould disease of orange fruits, were isolated from infected fruit in Bam city. Antifungal activity of three different plant essential oils Eucalyptus camaldulensis, Zataria multiflora, Myrtus communis at 50, 100, 150 and 200 ppm concentration, have been evaluated. MIC (minimum inhibitory concentration) and growth inhibition zone diameters analyzed as factorial experiment with 3 replications in a completely randomized design by MSTATc software. Essential oil Zataria multiflora Due to having Thymol and carvacrol as the main component has an important role in the antifungal properties.The essential oil of Myrtus has been shown the weakest antimicrobial effect.