Screening of Essential Oils against the Banana Wilt Pathogen Fusarium sp. from Arunachal Pradesh, a State of India
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Abstract
Fusarium wilt disease affects numerous commercially significant crops and is controlled by synthetic fungicides. The utilization of natural compounds derived from plant sources has been prioritized in the search for substitutes for fungicides. They are safer for the environment and less harmful. Therefore, in this present study inhibitory effect of sixteen essential oils, namely Lemon grass, clove, Lavender, Jasmine, peppermint, Citronella, Sandalwood, Cedarwood, Argan, Jojoba, White tea, Basil, Vanilla, Tea tree, rose and Eucalyptus essential oils were screened. The influence of four concentrations (1000, 1500, 2000, and 2500 ppm) of each essential oil was tested against the fusarium wilt of banana. The radial mycelium growth and mycelial growth inhibition percentages were calculated. Based on radial mycelium growth and growth inhibition After 7th day of proper incubation in controlled conditions, it was observed that clove, lemon grass, rose, vanilla, white tea, citronella, and jasmine were the most effective essential oils against the pathogenic fungus. There was 100% inhibition in the growth of phytopathogenic fungi at 1500 ppm concentration by clove essential oil. The essential oils of lemon grass rose, and citronella have been proven to limit the colony growth of Fusarium oxysporum, and 100% inhibition was observed at concentrations of 2000 and 2500 ppm after the 7th day of the incubation period.
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