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International Journal of Medicinal Mushrooms
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ISSN Imprimer: 1521-9437
ISSN En ligne: 1940-4344

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International Journal of Medicinal Mushrooms

DOI: 10.1615/IntJMedMushrooms.v17.i4.90
pages 407-411

In Vitro Assessment of Extracts of the Lingzhi or Reishi Medicinal Mushroom, Ganoderma lucidum (Higher Basidiomycetes) Against Different Plant Pathogenic Fungi

Mirza Nabeel Baig
Institute of Agricultural Sciences, University of the Punjab, Lahore, Pakistan
Ahmad Ali Shahid
Institute of Agricultural Sciences, University of the Punjab, Lahore, Pakistan
Muhammad Ali
Institute of Agricultural Sciences, University of the Punjab, Lahore, Pakistan

RÉSUMÉ

Five isolates of the lingzhi or reishi medicinal mushroom Ganoderma lucidum (GL-1, GL-2, GL-3, GL-4, GL-5) were collected from different locations within and surrounding Lahore, Pakistan, to study the antifungal potential of their bioactive compounds. After studying morphology, different concentrations of the extracts were prepared in methanol and water using a Soxhlet extractor. Different cultures of fungal pathogens were acquired from the First Fungal Culture Bank of Pakistan, University of the Punjab, Lahore. The antimicrobial potential of 5 G. lucidum samples against 5 fungal pathogens (Fusarium oxysporum, Aspergillus niger, A. flavus, Penicillium sp., and Alternaria alternata) was observed. The lowest biomass reduction (7%) was observed in 1% and 2% concentrations of a methanolic extract and 6% in the case of a water extract. Major inhibition was observed using higher concentrations of the methanolic extract (3% and 4%). These extracts significantly suppressed fungal biomass up to 38% and 56% in A. niger, 47% in A. flavus, 58% in ,i>Penicillium sp., 46% in A. alternaria, and 45% in F. oxysporum compared with the control. It was concluded from these studies that methanolic extracts of G. lucidum showed better activity against all plant fungal pathogens when compared with the water extracts.


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