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<p>Western Ghats of India are a biodiversity hotspot known for their rich species diversity and high endemism. Since limited information was available on the diversity of Wood Rotting Fungi (WRF) in this area, a survey was conducted in sawmills, wood log depots, and tropical evergreen forest patches of the Malnad region during the monsoon and post-monsoon seasons from January 2023 to April 2025. A total of 148 WRF were collected, of which 49 were from sawmills of Shivamugga, 47 from Chikkamagaluru, and 52 from forest areas of Malnad. Based on morphological characterisation, all WRF were identified as belonging to 142 of Basidiomycota, 3 of Ascomycota, and 3 of Myxomycota, with 15 orders and 36 families. The most frequently observed WRF family was Polyporaceae, and the species were <i>Ganoderma</i> and <i>Xylaria</i>. The Simpson and Shannon’s biodiversity index for sawmills of Shivamugga was 0.98 and 1.40, Chikkamagaluru 0.83 and 1.75, and the forest patches of the Malnadu regions of Western Ghats were 0.99 and 1.15, respectively. In the present study, four mushrooms, <i>Coprinopsis</i> sect. <i>Coprinopsis</i>, <i>Candolleomyces sindhudeltae</i>, <i>Candolleomyces yanshanensis</i>, and <i>Termitomyces umkowaan</i> are reported as new to India. Seven WRF, <i>Daldinia childiae</i>, <i>Ganoderma steyaertianum</i>, <i>G. lobatum</i>, <i>Gloeocantharellus cf. lateritius</i>,<i> Phellinopsis conchata</i>,<i> Xylaria frustulosa</i>, <i>X. castoria</i>, and two mushrooms, <i>Filoboletus manipularis</i>,<i> Echinoderma asperum</i>, are new records to Karnataka.</p>

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Diversity and first record of wood-rotting fungal pathogens from Western ghats patches in Malnad region, Karnataka, India

  • 期刊论文

  • 发表日期：

    2026年6月23日

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  • S. Bharath Kumar,
  • A. Muthu Kumar,
  • Praveen Kumar Nagadesi

摘要

Western Ghats of India are a biodiversity hotspot known for their rich species diversity and high endemism. Since limited information was available on the diversity of Wood Rotting Fungi (WRF) in this area, a survey was conducted in sawmills, wood log depots, and tropical evergreen forest patches of the Malnad region during the monsoon and post-monsoon seasons from January 2023 to April 2025. A total of 148 WRF were collected, of which 49 were from sawmills of Shivamugga, 47 from Chikkamagaluru, and 52 from forest areas of Malnad. Based on morphological characterisation, all WRF were identified as belonging to 142 of Basidiomycota, 3 of Ascomycota, and 3 of Myxomycota, with 15 orders and 36 families. The most frequently observed WRF family was Polyporaceae, and the species were Ganoderma and Xylaria. The Simpson and Shannon’s biodiversity index for sawmills of Shivamugga was 0.98 and 1.40, Chikkamagaluru 0.83 and 1.75, and the forest patches of the Malnadu regions of Western Ghats were 0.99 and 1.15, respectively. In the present study, four mushrooms, Coprinopsis sect. Coprinopsis, Candolleomyces sindhudeltae, Candolleomyces yanshanensis, and Termitomyces umkowaan are reported as new to India. Seven WRF, Daldinia childiae, Ganoderma steyaertianum, G. lobatum, Gloeocantharellus cf. lateritius, Phellinopsis conchata, Xylaria frustulosa, X. castoria, and two mushrooms, Filoboletus manipularis, Echinoderma asperum, are new records to Karnataka.