Antifungal potential of Gymnospermic cones against Panama wilt fungus (Fusarium oxysporum f. sp. cubense)
Journal Title: Journal of Biodiversity and Environmental Sciences (JBES) - Year 2017, Vol 10, Issue 5
Abstract
Yield of commercial banana plantations across the world is tremendously affected by vascular wilt (Panama disease) of banana, caused by a soil-borne hyphomycete Fusarium oxysporum f. sp. cubense. Six Gymnospermic cones extract (Pinus roxburghii, Pinus wallachiana, Cedrus deodara, Thuja orientalis, Cupressus sempervirens and Picea smithiana) prepared in selected organic solvents (methanol, ethanol and n-hexane) were in vitro screened against Fusarium oxysporum f. sp. cubense using food poisoning technique. Percent inhibition results from preliminary screening clearly indicated that 10% cone extracts were more effective compared to 5%. Extracts showing ≥ 60% inhibition were further evaluated using 50% extract concentration. Methanolic extract of Picea smithiana cone, ethanolic extract of Thuja orientalis cone, Pinus wallachiana and Pinus roxburghii cone extract in n-hexane exhibited ≥ 70% inhibition against tested fungus. Results revealed that these Gymnospermic botanicals are potential source of antifungal phytochemicals, therefore extensive research is required to extract their active compounds thus providing a substitute of fungicide and an alternative approach to current management practices of Panama wilt disease.
Authors and Affiliations
Qurat Ul Ain, Shahzad Asad
Keywords
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