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Cercoseptoria ocellata

From WikiMD's Wellness Encyclopedia

Cercoseptoria ocellata is a species of fungus in the family Mycosphaerellaceae. It is a plant pathogen that affects a variety of crop species, causing significant damage and yield loss.

Taxonomy[edit | edit source]

The genus Cercoseptoria belongs to the family Mycosphaerellaceae, within the order Capnodiales. The species ocellata is one of several species within this genus.

Description[edit | edit source]

Cercoseptoria ocellata is characterized by its conidia, which are multi-celled and pigmented. The conidia are produced in structures called pycnidia, which are small, flask-shaped bodies embedded in the tissue of the host plant.

Hosts and Symptoms[edit | edit source]

Cercoseptoria ocellata is a pathogen of several crop species, including wheat, barley, and oats. Symptoms of infection include leaf spots, which are initially small and circular, but can expand and coalesce to form larger lesions. The spots are typically tan to brown in color, with a darker border.

Disease Cycle[edit | edit source]

The disease cycle of Cercoseptoria ocellata begins with the release of conidia from the pycnidia. These conidia are spread by wind or rain splash to new host plants, where they germinate and penetrate the plant tissue. The fungus then grows within the plant, causing disease symptoms. The cycle is completed when new pycnidia form, producing a new generation of conidia.

Management[edit | edit source]

Management of Cercoseptoria ocellata involves a combination of cultural practices, such as crop rotation and residue management, and the use of fungicides. Resistant varieties of crops are also an important tool in managing this disease.

See Also[edit | edit source]

References[edit | edit source]

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