Journal
FUNGAL ECOLOGY
Volume 18, Issue -, Pages 83-92Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.funeco.2015.08.004
Keywords
Dry-seasonal forest; Fruit bodies; Leaf shedding; Macrofungi; Panama; Phenology; Phyllosphere; Phytopathology; Plant parasitic fungi; Seasonality; Tropics
Funding
- Universidad Autonoma de Chiriqui (UNACHI)
- National Authority of the Environment (ANAM, Panama) [SE/H-1-09, SE/APH-1-10, SC/PH-3-10]
- Sistema Nacional de Investigacion (SNI) of the Secretaria Nacional de Ciencia, Tecnologia e Innovacion (SENACYT) in Panama
- German Academic Exchange Service (DAAD) [57058599]
- LOEWE excellence initiative of the state of Hesse
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In the present study, conducted in a secondary dry-seasonal forest in the pacific lowlands of southwestern Panama over 2 years, fungal diversity is linked to plant phenology, litter, and climatic data. Agaricales fungi showed maximum species richness at the beginning of rainy seasons, probably due to the important litter accumulation during the dry season and the increase in humidity favoring fungal growth. Species richness declined during the wet season possibly due to torrential rains, moulds, and decreasing availability of nutrients. Occurrence of foliar pathogenic microfungi correlated negatively with flushing of new leaves at the beginning of the rainy season. Their incidence increased during the wet season and remained high during the dry season. Synchronization of leaf shedding in most tree species significantly reduced the yearly incidence of foliar pathogenic fungi causing an annual turn-over of fungal pathogens that probably contributes to maintain a high diversity of plant pathogenic species. (C) 2015 The Authors. Published by Elsevier Ltd.
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