''Phoma exigua'' (

syn. The Botanical and Zoological Codes of nomenclature treat the concept of synonymy differently. * In botanical nomenclature, a synonym is a scientific name that applies to a taxon that (now) goes by a different scientific name. For example, Linnae ...

''Ascochyta gossypii'') is a

fungal A fungus ( : fungi or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. These organisms are classified as a kingdom, separately from th ...

plant pathogen Plant pathology (also phytopathology) is the scientific study of diseases in plants caused by pathogens (infectious organisms) and environmental conditions (physiological factors). Organisms that cause infectious disease include fungi, oomyc ...

. It causes wet weather blight in

cotton Cotton is a soft, fluffy staple fiber that grows in a boll, or protective case, around the seeds of the cotton plants of the genus ''Gossypium'' in the mallow family Malvaceae. The fiber is almost pure cellulose, and can contain minor perce ...

and it can be treated with systemic copper.

Varieties of ''Phoma exigua''

* ''Phoma exigua'' var. ''exigua'' * ''Phoma exigua'' var. ''foveata'' * ''Phoma exigua'' var. ''heteromorpha'' * ''Phoma exigua'' var. ''linicola'' * ''Phoma exigua'' var. ''solanicola''

References

External links

Index Fungorum

USDA ARS Fungal Database
Fungal plant pathogens and diseases Cotton diseases exigua Fungi described in 1847 {{fungus-plant-disease-stub