Calonectria colhounii

Calonectria colhounii is a species of fungus in the family Nectriaceae. It is a plant pathogen that causes diseases in various plant species. The fungus was first described in 1961 by C. Booth and named after the mycologist P. A. S. Colhoun.

Taxonomy

The genus Calonectria to which Calonectria colhounii belongs, is a group of fungi that are known for their plant pathogenic properties. The genus was first described by the Italian mycologist Pier Andrea Saccardo in 1878. The species Calonectria colhounii was named in honor of the mycologist P. A. S. Colhoun by C. Booth in 1961.

Description

Calonectria colhounii is characterized by its perithecia, which are flask-shaped structures that produce ascospores. The perithecia of Calonectria colhounii are typically orange to red in color. The ascospores are hyaline and typically have a filamentous shape.

Pathogenicity

Calonectria colhounii is a plant pathogen and is known to cause diseases in various plant species. The fungus infects the plant through wounds or natural openings and causes symptoms such as leaf spots, wilting, and in severe cases, plant death.

Distribution

Calonectria colhounii has a wide distribution and has been reported in various parts of the world. It is known to occur in both temperate and tropical regions.

Management

Management of Calonectria colhounii involves a combination of cultural practices, chemical control, and biological control. Cultural practices include proper sanitation and avoidance of creating wounds on plants which the fungus can infect. Chemical control involves the use of fungicides, while biological control involves the use of beneficial organisms that can suppress the growth of the fungus.

See also

• List of Calonectria species
• Plant pathology