Department of Botany

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Author: search.filters.author.Sathiyadash KSubject: search.filters.subject.gingers

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    ARBUSCULAR MYCORRHIZAL FUNGAL ASSOCIATIONS IN ZINGIBERACEAE AND COSTACEAE
    (The Postgraduate & Research Department of Botany, St. Thomas College, Kozhencherry, Kerala, India, 2009-10-28) Uma E; Sathiyadash K; Muniappan V; Sarah jaison; Muthukumar T
    We provide information on the AM fungi incidence exclusively in Zingiberaceae and Costaceae, which will provide an opportunity to extend our knowledge on the AM association in these plant families
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    MYCORRHIZAL AND DARK SEPTATE FUNGAL ASSOCIATIONS IN GINGERS AND SPIRAL GINGERS
    (Botany, 2010-05-05) Uma E; Muthukumar T; Sathiyadash K; Muniappan V
    Associations of arbuscular mycorrhizal (AM) and dark septate endophyte (DSE) fungi with 38 ginger species (Zingiberaceae) and two spiral gingers (Costaceae) were investigated. All species were mycorrhizal, and the status of 35 gingers and one spiral ginger has been investigated for the first time. The extent of AM colonization and the root length colonized by AM structures varied significantly among species. AM structures were also observed in non-root portions such as scale leaves. Arbuscular mycorrhizae were of either Aram-type or intermediate- type; AM-type is reported for the first time in 37 species. Spores of 16 morphotypes belonging to 4 genera (Glomus, Acaulospora, Scutellospora, Racocetra) were identified from the rhizosphere soil. DSE colonization was found in 22 gingers and 2 spiral gingers. Twenty-two plant species are reported as hosts of DSE fungi for the first time. The extent of total AM and DSE colonization was not correlated