Abstract

ABSTRACT Litchi chinensis (lychee) is one of the most important tropical fruit crops in Asia. Despite the annual increase in research on lychee fungal pathogens, few studies have been conducted on saprobic lychee litter fungi, which may also be sources of pathogens. We collected samples from Guangdong Province, China during our biodiversity survey on leaf litter fungi. The collected species were isolated and identified using morphological characteristics and phylogenetic analyses of combined internal transcribed spacer nrDNA (ITS), large subunit nrDNA (LSU), small subunit nrDNA (SSU), and translation elongation factor 1-alpha (tef1-α). Based on morphological and molecular data, we herein introduce a new genus, Pseudoneohendersonia, belonging to Neohendersoniaceae with the type species P. guangdongensis sp. nov. Additionally, we identified three new host records associated with L. chinensis viz. Crassiparies quadrisporus, Rhytidhysteron neorufulum, and Rhytidhysteron tectonae. We provide full descriptions, illustrations, and multigene phylogenetic trees for the novel genus and new records. This study expands the understanding of lychee associated saprobic fungal diversity.

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