Septoria

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Septoria
Septoria lycopersici malagutii leaf spot on tomato leaf.jpg
S. lycopersici on tomato
Knolselderij bladvlekkenziekte op 'Dolvi' (Apium graveolens var. rapaceum with Septoria apiicola).jpg
S. apiicola on celery
Scientific classification OOjs UI icon edit-ltr.svg
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 is a genus of fungal plant pathogens in the phylum Ascomycota. They cause necrotic leaf spots on the leaves of their hosts, producing filiform or cylindrical conidia inside pycnidia embedded in the leaves. [1] Economically important species cause diseases on field crops, forages, and vegetables. The genus is widespread, and estimated to contain 1072 species. [2]

Contents

Notable species

Septoria apiicola is the cause of late blight of celery. It can survive on seeds, causing disease in the seedlings when they germinate. [3]

Several species of passion flower are infected by several species of Septoria. One species, initially thought to be Septoria passiflorae , but actually an undescribed species, has been used to control the invasive Passiflora tarminiana in Hawai'i. [4]

Dispersal

The pycnidia produce conidia, which are pushed out through an opening. They are spread by splashing rain. [5]

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. [6] [1]

Species include:

References

  1. 1 2 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.
  2. ↑ 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.
  3. ↑ Maude, R. B. (December 1964). "Studies on Septoria on celery seed". Annals of Applied Biology. 54 (3). John Wiley & Sons, Ltd: 313–326. doi:10.1111/j.1744-7348.1964.tb01196.x. ISSN   0003-4746.
  4. ↑ Landcare Research (2005). "Infidelity Ends Hopes of a Passion-Filled Relationship" (PDF). What's New in Biological Control of Weeds?. Vol. 34. ISSN   1173-762X . Retrieved 2025-04-23.
  5. ↑ Brown AG, Rosielle AA (1 January 1980). "Prospects for control of Septoria". Journal of the Department of Agriculture, Western Australia. Series 4. 21 (1): 8–11.
  6. ↑ 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.


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