Heliobacter pylori

Helicobasidium purpureum is a species of fungus in the family Helicobasidiaceae. It is a plant pathogen that causes violet root rot in a variety of crops.

Taxonomy

The species was first described by mycologist Job Bicknell Ellis in 1884. The genus name Helicobasidium refers to the helical or spiral nature of the hyphae, while the species name purpureum refers to the purple color of the mature fruiting bodies.

Description

Helicobasidium purpureum is characterized by its purple, gelatinous fruiting body that forms on the roots of infected plants. The spores are produced in a unique, helical basidium that gives the genus its name. The spores are hyaline, smooth, and elliptical in shape.

Distribution and habitat

Helicobasidium purpureum is widely distributed and has been reported from various parts of the world including North America, Europe, and Asia. It is typically found in soil and is associated with a wide range of host plants.

Pathogenicity

Helicobasidium purpureum is a pathogen that causes violet root rot in a variety of crops including carrots, beets, and potatoes. The fungus infects the roots of the host plant, causing them to turn a characteristic purple color. Infected plants often exhibit reduced growth and yield.

Management

Management of Helicobasidium purpureum 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.

See also

• List of carrot diseases
• List of beet diseases
• List of potato diseases