Septoria

Septoria
	S. lycopersici on tomato
	S. apiicola on celery
Scientific classification
Domain:	Eukaryota
Kingdom:	Fungi
Division:	Ascomycota
Class:	Dothideomycetes
Order:	Capnodiales
Family:	Mycosphaerellaceae
Genus:	Septoria; Sacc. (1884)
Type species
	Septoria cytisi; Desm. (1847)
Species
	See text

Septoria are ascomycete pycnidia-producing fungi that cause numerous leaf spot diseases on field crops, forages and many vegetables including tomatoes which are known to contract Septoria musiva from nearby cottonwood trees, and is responsible for yield losses. The genus is widespread, and estimated to contain 1072 species.^[1] Pycnidia produce needle-like pycnidiospores.

Septoria apiicola is the cause of late blight of celery. It is characterized by the production of conidia within pycnidia. The symptoms include chlorotic spots that turn brown and necrotic. Septoria apiicola can survive on seeds.

Several species of passion flower are infected by several species of Septoria, and a fungus, which has been going by the name Septoria passiflorae but which is probably an undescribed species, has been used to control the invasive Passiflora tarminiana in Hawai'i.^[2]

Taxonomy

In 2013, two large volumes (about 80 pages a piece) on Septoria and septoria-like fungi were published in the open access journal Studies in Mycology. In these papers by Quaedvlieg et al. and Verkley et al., the genus Septoria is clearly defined and identification techniques are discussed in detail. Besides going into detail about the genus Septoria s. str., many septoria-like genera are discussed and clearly illustrated.^[3]^[4]

Species include:

Septoria apiicola
Septoria aciculosa
Septoria ampelina
Septoria azaleae
Septoria bataticola
Septoria campanulae
Septoria cannabis
Septoria caryae
Septoria citri
Septoria cucurbitacearum
Septoria cytisi
Septoria darrowii
Septoria dianthi
Septoria eumusae
Septoria fragariae
Septoria fragariaecola
Septoria glycines
Septoria helianthi
Septoria humuli
Septoria hydrangeae
Septoria lactucae
Septoria lycopersici
Septoria malagutii
Septoria matthiolae
Septoria menthae
Septoria musiva
Septoria ostryae
Septoria passerinii
Septoria passiflorae
Septoria pisi
Septoria pistaciae
Septoria platanifolia
Septoria rhododendri
Septoria secalis
Septoria selenophomoides
Septoria steviae
Septoria tritici — Now Zymoseptoria tritici

References

^ Kirk PM, Cannon PF, Minter DW, Stalpers JA (2008). Dictionary of the Fungi (10th ed.). Wallingford: CABI. p. 630. ISBN 978-0-85199-826-8.
^ Landcare Research (2005). "Infidelity Ends Hopes of a Passion-Filled Relationship" (PDF). What's New in Biological Control of Weeds?. 34. Retrieved 2007-08-18.
^ Quaedvlieg, w; G.J.M. Verkley; H.-D. Shin; R.W. Barreto; A.C. Alfenas; W.J. Swart; J.Z. Groenewald & P.W. Crous (2013). "Sizing up Septoria". Studies in Mycology. 75 (1): 307–390. doi:10.3114/sim0017. PMC 3713890. PMID 24014902.
^ Verkley, G.J.M.; W. Quaedvlieg; H.-D. Shin & P.W. Crous (2013). "A new approach to species delimitation in Septoria". Studies in Mycology. 75 (1): 213–305. doi:10.3114/sim0018. PMC 3713889. PMID 24014901.

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[Kirk2008-1] Kirk PM, Cannon PF, Minter DW, Stalpers JA (2008). Dictionary of the Fungi (10th ed.). Wallingford: CABI. p. 630. ISBN 978-0-85199-826-8.

[2] Landcare Research (2005). "Infidelity Ends Hopes of a Passion-Filled Relationship" (PDF). What's New in Biological Control of Weeds?. 34. Retrieved 2007-08-18.

[3] Quaedvlieg, w; G.J.M. Verkley; H.-D. Shin; R.W. Barreto; A.C. Alfenas; W.J. Swart; J.Z. Groenewald & P.W. Crous (2013). "Sizing up Septoria". Studies in Mycology. 75 (1): 307–390. doi:10.3114/sim0017. PMC 3713890. PMID 24014902.

[4] Verkley, G.J.M.; W. Quaedvlieg; H.-D. Shin & P.W. Crous (2013). "A new approach to species delimitation in Septoria". Studies in Mycology. 75 (1): 213–305. doi:10.3114/sim0018. PMC 3713889. PMID 24014901.

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