Abstract
Orchidaceae, one of the largest family of angiosperm, represented by their distinct morphology and flowers of natural beauty. With the increase in orchid demand globally for their ornamental purposes, orchid diseases are carried together along with their transportation. These pathogens that infect orchids, decreases their quality and market value. Thus, studies focusing on the health and diseases on orchids are found to be necessary. This study aimed to identify the phylloplane mycoflora causing fungal diseases on orchids, through the study of symptoms on hosts and laboratory culture. To identify the fungal pathogens, normal teasing and section cutting was followed. Furthermore, culturing of Phylloplane mycoflora using Czapex Dox Agar Medium (CzA) was done. The study identified disease causing pathogens as Aspergillus niger (black mould) and Ascochyta sp. (Ascochyta blight) on Eria coronaria, Colletotrichum acutatum (Black spot or Anthracnose disease) and Curvularia lunata (leaf spot) on Bulbophylum reptans, Fusarium oxysporum (Fusarium leaf spot) on Cymbidium erythraeum, Lophiostoma macrostomum (Lophiostoma leaf blight) on Cymbidium hookerianum, Phyllosticta dendrobii (Phyllosticta leaf spot) on Dendrobium nobile, and Septoria sp. (Spetoria leaf spot) on Calanthe plantaginea and Dendrobium hookerianum.
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