Albonectria rigidiuscula

Albonectria rigidiuscula is a species of fungus in the family Nectriaceae. It is a plant pathogen that causes root rot in a variety of plants, including cotton and peanut crops.

Taxonomy

The species was first described in 1916 by mycologist Carlos Luigi Spegazzini. The genus Albonectria is derived from the Latin words albus, meaning white, and nectria, referring to a genus of fungi. The species name rigidiuscula is derived from the Latin word rigidus, meaning rigid, and the diminutive suffix -ula.

Description

Albonectria rigidiuscula is characterized by its small, white fruiting bodies that produce a large number of spores. The spores are typically cylindrical in shape and have a smooth surface. The fungus grows in the soil and infects the roots of plants, causing root rot.

Distribution and habitat

Albonectria rigidiuscula is found worldwide, particularly in tropical and subtropical regions. It is commonly found in soil and on decaying plant material. The fungus prefers warm, moist conditions and is often found in agricultural fields.

Pathogenicity

Albonectria rigidiuscula is a pathogen of several plant species, including cotton and peanuts. It causes root rot, a disease that results in the decay of the plant's root system. This can lead to wilting, stunted growth, and ultimately, the death of the plant.

Management

Management of Albonectria rigidiuscula 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 to kill the fungus.

See also

• List of cotton diseases
• List of peanut diseases