Abstract

The pantropical Zingiberaceae family is among the most threatened monocotyledonous plants, with numerous species endemic to the Philippines, and thus, is an ideal host to study fungal endophytes. In this study, we determined the occurrence and diversity of fungal endophytes associated with the Philippine endemic ginger Vanoverberghia sepulchrei Merr. All major plant organs, i.e., leaf, pseudostem, rhizome, and root, were surface-sterilized to isolate Vanoverberghia-associated fungal endophytes (VFE). A combination of morphological characteristics and phylogenetic analyses of DNA sequences derived from ITS were used to identify selected isolated fungi. Our results showed the isolation of twenty fungal morphospecies, and these were identified as belonging to the genera Bjerkandera, Cladosporium, Colletotrichum, Cosmospora, Diaporthe, Fusarium, Leptographium, Mucor, Nigrospora, Perenniporia, Phomopsis, Phyllosticta, Phytophthora, Pseudopithomyces, Rhizopus, and Trichoderma. The results of this study paved the way for the first report of fungal endophytes from the Philippine endemic ginger.

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