Calonectria quinqueseptata

Calonectria quinqueseptata is a species of fungus in the family Nectriaceae. It is a plant pathogen that causes diseases in a variety of plants, particularly in tropical and subtropical regions.

Taxonomy

The species was first described in 2009 by Lombard L., Crous P.W., Wingfield B.D., and Wingfield M.J.. The genus Calonectria is characterized by its brightly colored perithecia and long, slender ascospores. The species name quinqueseptata refers to the five-septate ascospores that are characteristic of this species.

Description

Calonectria quinqueseptata produces perithecia that are globose to subglobose, and brightly colored, typically orange to red. The ascospores are hyaline, five-septate, and are typically long and slender. The conidia are typically cylindrical and hyaline.

Pathogenicity

Calonectria quinqueseptata is a plant pathogen that causes diseases in a variety of plants. It is particularly problematic in tropical and subtropical regions, where it can cause significant damage to crops. The fungus infects plants through wounds or natural openings, and can cause symptoms such as leaf spots, wilting, and dieback.

Management

Management of Calonectria quinqueseptata involves a combination of cultural practices, chemical control, and biological control. Cultural practices include sanitation and the use of resistant varieties. Chemical control typically involves the use of fungicides, while biological control involves the use of beneficial organisms that can suppress the pathogen.

See also

• List of Calonectria species
• Plant pathology

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