Scolicotrichum euphorbiae
Scolicotrichum euphorbiae Tracy & Earle, Bull. Torrey bot. Club 23(5): 209 (1896).
Index Fungorum number: IF 152313; Facesoffungi number: FoFxxx, Fig. 1
Description: see Videira et al. (2017).
Material examined: see Videira et al. (2017).
Fig. 1. Cercosporidium chaetomium (CBS 142177; re-drawn from Videira et al. 2017). a–c. Observations in vivo. a. Conidiophores, conidiogenous cells and conidia. b. Conidiophores and conidiogenous cells. c. Single conidia. d–g. Observations in vitro. d. Conidiophore and conidiogenous cell. e–g. Conidiophore, conidiogenous cell and conidia. Scale bars = 10 μm.
Importance and role
Importance of genus to ecosystem
Species of Cercosporidium are foliicolous. They can form leaf spots on surface of leaves and sometimes affect the rate of photosynthesis.
Industrial relevance and applications
The industrial applications of Cercosporidium has not been investigated.
Quarantine significance
The biocontrol properties of Cercosporidium has not been reported.
Biochemical importance of the genus, chemical diversity or applications
The chemical application of Cercosporidium has not been studied. Cercosporidium may produce important enzymes and toxins. This warrants further studies.
Diversity of the genus
Even though there are 66 records of Cercosporidium in Index fungorum (2021), the real number of species is less as many have been synonymized and transferred to other genera such as Cercospora, Clarohilum, Fusicladium, Fusoidiella, Graminopassalora, Mycovellosiella, Nothopassalora, Passalora, Phaeoisariopsis, Pseudocercospora. Cercosporidium comprises 10 species known on several host plants and plant families namely Apiaceae, Apocynaceae, Araceae, Asteraceae, Balsaminaceae, Boraginaceae, Cornaceae, Dioscoreaceae, Euphorbiaceae, Fabaceae, Leguminosae, Nyctaginaceae, Phyllanthaceae, Poaceae amongst others. Cercosporidium has been reported from Alabama, Algeria, Asia, Brazil, Bulgaria, California, China, Colombia, Cyprus, India, Iowa, Jamaica, Kansas, Mississippi, Nebraska, New Jersey, Ohio, Ontario, Pennsylvania, Tanzania, Venezuela, West Indies amongst others. Comprehensive studies are likely to discover more species of Cercosporidium but DNA sequence data is necessary for species delimitation due to complexity of the genus.
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