Definition

Noun A type of bacterium that is the causative agent of a specific plant disease in potatoes, resulting in the formation of rough, corky, brownish lesions on the tubers.

Usage

This is a technical, compound noun used primarily in agricultural science, plant pathology, and farming contexts. It refers specifically to the pathogenic organism responsible for the disease.

Examples

• The farmer identified the lesions as being caused by potato scab bacteria.
• Crop rotation is one method to reduce soil levels of potato scab bacteria.
• Research is ongoing to develop potato varieties resistant to potato scab bacteria.

Advanced Usage

• The term is often used in scientific literature discussing plant diseases, soil health, and crop management strategies.
• It can be part of a discussion on bacterial pathogens affecting solanaceous crops.

Variants and Related Words

• Common scab (n): The name of the plant disease caused by this bacterium.
• Streptomyces scabies (n): The scientific, taxonomic name for the primary bacterial species known as potato scab bacteria.

Synonyms

• Scab pathogen (n): A general term for the organism causing the disease.
• Causal agent of potato scab (n): A descriptive synonym.

Notes

• "Potato scab bacteria" is a fixed compound noun. In usage, it is treated as a singular entity (e.g., "The potato scab bacteria widespread"), though "bacteria" is technically the plural form of "bacterium."
• The disease affects the marketability of potatoes but usually not their edibility.

Noun

1. cause of a potato disease characterized by brownish corky tissue