Phoma

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Phoma
Scientific classification
Kingdom: Fungi Phylum: Ascomycota Class: Dothideomycetes Subclass: Pleosporomycetidae Order: Pleosporales Family: Incertae sedis Genus: Phoma
Binomial name
Phoma (Saccardo, 1880)[1]

Phoma is a genus of the asexual stages of fungi. It contains many plant pathogenic species.

Spores are colorless and unicellular. The pycnidia are black and depressed in the tissues of the host. Phoma is arbitrarily limited to those species in which the spores are less than 15ų as the larger spored forms have been placed in the genus Macrophoma. The most important species include Phoma beta which is the cause of the heart rot and blight of beets, Phoma batata that produces a dry rot of sweet potato, and Phoma solani. ^[2]

[edit] External links

Index Fungorum
USDA ARS Fungal Database

[edit] References

1. ^ Integrated Taxonomic Information System (web). www.itis.gov. Retrieved on 2008-01-12.
2. ^ Harshberger, John William (1917). A Text-book of Mycology and Plant Pathology. Original from the University of Michigan: P. Blakiston's son & co, page 261-262. January 12, 2008. 

• Boerema, G. H.; de Gruyter, J.; Noordeloos, M. E.; Hamers, M. E. C. 2004. Phoma Identification Manual: Differentiation of Specific and Infra-specific Taxa in Culture. CABI.