Septoria cytisi
Septoria cytisi Desm., Annls Sci. Nat., Bot., sér. 3 8: 24 (1847).
Index Fungorum number: IF 241056; Facesoffungi number: FoF 11218, Fig. 1
Description: see Quaedvlieg et al. (2013).
Material examined: see Quaedvlieg et al. (2013).
Fig. 1 Septoria cytisi (BPI USO 378994, redrawn from Quaedvlieg et al. 2013). a Leaf spot. b Conidia c Conidiogenous cells. Scale bars = 10 µm.
Importance and distribution
Species of Septoria are pathogenic and cause leaf spots on wide range of hosts (Crous et al. 2013). There are 913 Septoria epithets in Index Fungorum (2022), but many has been transferred to other genera such as Sphaerulina, Asteromella, Phloeospora, Asteroma, Asteroma, Cercospora, Cylindrosporium, Diplodina, Lecanosticta, Mycosphaerella, Ophiodothella, Phaeoramularia, Phaeoseptoria, Phaeoseptoria, Phloeospora, Phlyctema, Phomopsis, Plectosphaerella, Polystigma, Pseudocercospora, Rhabdospora, Stagonospora and Synchytrium. Septoria comprises more than 500 species and is distributed on a wide range of hosts in Asteraceae, Caprifoliaceae, Fabaceae, Rosaceae, Sapindaceae etc. Septoria is reported worldwide. Septoria taxonomy was largely dependent on associated host data, due to limited morphological characters. This has resulted in many species being described based on host plants. Septoria needs revision as it is a complex genus.
Industrial relevance and applications
Septoria cirsii is a potential biocontrol agent of Canada thistle and its phytotoxin ß-nitropropionic acid (Hershenhorn et al. 1993). Septoria hodgesii is a biocontrol agent for Myrica faya in Unites States (Hawai‘i) (Gardner 1999). Septoria passiflorae is a biocontrol agent for Passiflora tarminiana in the The United States (Hawai‘i) (Smith 2002).
References
Desmazières JBHJ. 1847 – Quatorzième notice sur les plantes cryptogames récemment découvertes en France. Annales des Sciences Naturelles Botanique 3, 8, 9–37.
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