Definition

Noun A fungus that causes a disease in potatoes, characterized by the development of black, scurfy spots on the tubers. This is a specific plant pathogen.

Usage

This term is a scientific name for a pathogenic fungus. It is used in specialized contexts such as botany, mycology, and agriculture.

Examples

• The potato crop was severely affected by .
• Farmers must monitor for signs of to protect their yields.

Advanced Usage

• The name follows binomial nomenclature (Genus: , species: ). In modern taxonomic revisions, this fungus may be reclassified under a different genus name, but remains a recognized synonym in historical and diagnostic literature.

Variants and Related Words

• Rhizoctonia solani: This is the more commonly used contemporary name for the same fungus. is an older synonym.
• Potato black scurf: The common name for the disease caused by this fungus.

Synonyms

• Rhizoctonia solani (primary synonym)
• Black scurf fungus

Notes

This term is highly technical. In non-scientific contexts, the disease name "potato black scurf" or the current scientific name Rhizoctonia solani are more frequently used.

Noun

1. fungus causing a disease in potatoes characterized by black scurfy spots on the tubers