Colletotrichum truncatum

Colletotrichum truncatum
Scientific classification
Domain:	Eukaryota
Kingdom:	Fungi
Division:	Ascomycota
Class:	Sordariomycetes
Order:	Glomerellales
Family:	Glomerellaceae
Genus:	Colletotrichum
Species:	C. truncatum
Binomial name
	Colletotrichum truncatum; (Schwein.) Andrus & W.D. Moore, (1935)
Synonyms
	Colletotrichum dematium f. truncatum (Schwein.) Arx [as 'truncata'], (1957); Vermicularia truncata Schwein.

Colletotrichum truncatum is a fungal species and plant pathogen on soybeans.^[1]

They are endophytic on Euphorbia hirta with another plant pathogen Uromyces euphorbiae (in the Pucciniaceae family and Pucciniales order).^[2]

Symptoms

Symptoms appear as dark red to black lesions on the lower surface of the leaves. They appear as sunken lesions surrounded by a raised brown-black border on the pods, petioles and stems. Very small black fruiting bodies of the fungus are usually visible in older lesions.^[3]

Other symptoms include shedding of leaves, flower and pod abortion.^[3]

Infected seeds appear discoloured with brown or grey staining or dark flecks.^[3]

Management

Partners of the CABI-led programme, Plantwise including LUANAR recommend using certified, disease-free seed. If using saved seed, they recommend selecting seeds which are not shriveled mouldy or discoloured.^[3] They also recommend rotating soybean with cereals such as maize and sorghum every 2–3 seasons and remove any diseased crop residue and bury any remaining material.^[3]

Other sources

This article incorporates text from a free content work. Licensed under CC-BY-SA (license statement/permission). Text taken from PMDG: Anthracnose on soybean, Chilasa S.L. (LUANAR), J.I.G. Masangwa (DARS), Shaibu Y.A. (KADD), CABI.

References

^ Bennett, J. Michael; Rhetoric, Emeritus; Hicks, Dale R.; Naeve, Seth L.; Bennett, Nancy Bush (2014). The Minnesota Soybean Field Book (PDF). St Paul, MN: University of Minnesota Extension. p. 83. Archived from the original (PDF) on 30 September 2013. Retrieved 21 February 2016.
^ Carmo de Souza, Érica Santos do; Martins do Vale, Helson Mario; Pereira Carvalho, Rita de Cássia; Soares, William Rosa de Oliveira; Miller, Robert Neil Gerard; Dianese, José Carmine (2017). "Infection by Uromyces euphorbiae: a trigger for the sporulation of endophytic Colletotrichum truncatum on the common host Euphorbia hirta". Mycological Progress. 16 (10): 941–946. Bibcode:2017MycPr..16..941D. doi:10.1007/s11557-017-1338-5. S2CID 255305196.
^ ^a ^b ^c ^d ^e Chilasa, S. L.; Masangwa, J. I. G.; Shaibu, Y. A. (2018). "Plantwise Knowledge Bank | Anthracnose on soybean". Plantwiseplus Knowledge Bank. Pest Management Decision Guides. doi:10.1079/pwkb.20197800002. Archived from the original on 2020-06-26. Retrieved 2020-06-24.

External links

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[SoybeanFieldBook-1] Bennett, J. Michael; Rhetoric, Emeritus; Hicks, Dale R.; Naeve, Seth L.; Bennett, Nancy Bush (2014). The Minnesota Soybean Field Book (PDF). St Paul, MN: University of Minnesota Extension. p. 83. Archived from the original (PDF) on 30 September 2013. Retrieved 21 February 2016.

[2] Carmo de Souza, Érica Santos do; Martins do Vale, Helson Mario; Pereira Carvalho, Rita de Cássia; Soares, William Rosa de Oliveira; Miller, Robert Neil Gerard; Dianese, José Carmine (2017). "Infection by Uromyces euphorbiae: a trigger for the sporulation of endophytic Colletotrichum truncatum on the common host Euphorbia hirta". Mycological Progress. 16 (10): 941–946. Bibcode:2017MycPr..16..941D. doi:10.1007/s11557-017-1338-5. S2CID 255305196.

[:0-3] Chilasa, S. L.; Masangwa, J. I. G.; Shaibu, Y. A. (2018). "Plantwise Knowledge Bank | Anthracnose on soybean". Plantwiseplus Knowledge Bank. Pest Management Decision Guides. doi:10.1079/pwkb.20197800002. Archived from the original on 2020-06-26. Retrieved 2020-06-24.

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