ring rot
Noun: A bacterial disease affecting plants, particularly tomatoes, potatoes, and tobacco, caused by the bacterium Pseudomonas solanacearum. It is characterized by symptoms such as wilting, yellowing, and browning of leaves, and a brown discoloration or decay in a ring pattern within the vascular system or tubers of the plant.
This term is used specifically in the context of plant pathology and agriculture to describe a serious, infectious plant disease. - It functions as a singular, uncountable noun when referring to the disease in general. - It can be used with verbs like "cause," "spread," "control," or "diagnose."
- The entire potato crop was lost to ring rot.
- Farmers must inspect seed potatoes carefully to prevent the introduction of ring rot.
- Ring rot is a quarantine disease in many countries due to its destructive potential.
- "Ring rot bacterium": Refers specifically to the causative agent, .
- The ring rot bacterium can survive in soil and infected plant debris.
- "Ring rot symptoms": Describes the visible signs of the disease on a plant.
- Wilting during the day and recovery at night can be early ring rot symptoms.
- Bacterial ring rot: A more precise, full name for the disease.
- Brown rot (of potato): An alternative name for the same disease, though "brown rot" can also refer to fungal diseases in other fruits, so context is key.
- Pseudomonas solanacearum: The scientific name for the pathogenic bacterium.
- Bacterial wilt (caused by the same bacterium, though "bacterial wilt" is a broader term for the symptom, while "ring rot" often specifies the tuber symptom in potatoes).
The term ring rot is highly specific. Its core meaning is the plant disease itself. The "ring" in the name typically refers to the pattern of vascular browning seen in a cross-section of an infected potato tuber. It is not used idiomatically or metaphorically in common language.
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disease of tomatoes and potatoes and tobacco etc caused by the bacterium Pseudomonas solanacearum
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