Nigrospora oryzae

Nigrospora oryzae is a species of fungus that belongs to the Nigrospora genus. It is known for causing diseases in various plants, particularly in rice crops, hence the name oryzae which is derived from Oryza, the genus for rice.

Taxonomy[edit | edit source]

The species was first described in the scientific literature by the mycologist B. O. Dodge in 1935. It belongs to the Nigrospora genus, which is part of the Botryosphaeriaceae family. The family is known for its members' ability to cause diseases in a wide range of host plants.

Description[edit | edit source]

Nigrospora oryzae is a filamentous fungus, characterized by its darkly pigmented hyphae and spherical spores. The spores are typically black or dark brown, giving the fungus its name Nigrospora, which means 'black seed' in Latin.

Pathogenicity[edit | edit source]

Nigrospora oryzae is a pathogen that can cause diseases in a variety of plants. It is particularly known for causing Nigrospora leaf spot, a disease that affects rice crops. The disease is characterized by the appearance of dark brown or black spots on the leaves of the rice plant. If left untreated, it can lead to significant yield losses.

Management[edit | edit source]

Management of Nigrospora oryzae involves a combination of cultural practices and chemical control. Cultural practices include crop rotation and the use of resistant varieties. Chemical control involves the use of fungicides. However, the fungus has shown resistance to some fungicides, making management a challenge.

See also[edit | edit source]

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