Rhizoctinia solani
Học thuậtThân thiện
Definition
Noun A species of fungus that is a plant pathogen. It is the causal agent of a disease in potatoes, characterized by the development of black, scurfy (rough, flaky) spots on the tubers. This disease is commonly known as black scurf or stem canker.
Usage
Rhizoctonia solani is used as a formal, scientific name for the specific fungal pathogen. * The presence of Rhizoctonia solani in the soil can significantly reduce potato yields. * Crop rotation is a common strategy to manage infections caused by Rhizoctonia solani.
Advanced Usage
- The fungus is often referred to by its asexual (anamorph) name, . Its sexual (teleomorph) stage is classified under the genus .
- In agricultural science, it is described as a soil-borne, necrotrophic fungus with a wide host range, affecting many crops beyond potatoes.
Variants and Related Words
- Black scurf: The common name for the disease symptom on potato tubers caused by this fungus.
- Stem canker: The common name for the disease symptom on potato stems caused by this fungus.
- Thanatephorus cucumeris: The teleomorph (sexual stage) name for the same fungus.
Synonyms
- Plant pathogen (general category)
- Soil-borne fungus (descriptive term)
Related Phrases
- Rhizoctonia disease: A general term for diseases caused by fungi in the genus .
- Damping-off: A seedling disease often caused by .
Related Idioms
(This term is a specific scientific name; no common idioms are associated with it.)
Noun
- fungus causing a disease in potatoes characterized by black scurfy spots on the tubers