Erysiphe cichoracearum

Erysiphe cichoracearum is a fungal species that belongs to the Erysiphales order. It is a plant pathogen that primarily affects members of the Asteraceae family, causing a disease known as powdery mildew.

Taxonomy

The species was first described by Augustin Pyramus de Candolle in 1805. It belongs to the Erysiphe genus, which comprises over 100 species of fungi that cause powdery mildew in a variety of plants.

Description

Erysiphe cichoracearum is characterized by its white, powdery appearance on the surface of infected plants. The fungus produces mycelia that grow on the surface of the plant, along with conidial spores that are spread by wind or water.

Hosts and Symptoms

Erysiphe cichoracearum primarily affects plants in the Asteraceae family, including lettuce, sunflower, and chicory. Symptoms of infection include white, powdery patches on the leaves, stems, and flowers of the plant. In severe cases, the plant may exhibit stunted growth and reduced yield.

Management

Management of Erysiphe cichoracearum involves a combination of cultural practices and chemical control. Cultural practices include crop rotation and the use of resistant varieties. Chemical control involves the application of fungicides.

See Also

• List of Erysiphe species
• Powdery mildew
• Plant pathology

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