Definition

Noun: - A plant pathogen: A specific virus that infects potato plants (Solanum tuberosum), causing a disease characterized by severe stunting of the plant and a pronounced yellowing of its foliage.

Usage Examples

• Noun:
  • The entire crop was lost due to an outbreak of potato yellow-dwarf virus.
  • Researchers are studying the transmission mechanisms of the potato yellow-dwarf virus.
  • A key symptom for diagnosing the infection is the yellowing caused by the potato yellow-dwarf virus.

Advanced Usage

• In agricultural science: The term is used in technical contexts concerning plant pathology, crop disease management, and virology.
  • Control of the potato yellow-dwarf virus often involves managing its insect vectors.

Variants and Related Words

• PYDV: A common acronym for Potato Yellow Dwarf Virus.
• Potato yellow dwarf: The name of the disease caused by this virus.
• Virus: The general category of infectious agents to which this pathogen belongs.

Synonyms

• Plant virus: A general term for viruses that infect plants.
• Pathogen: An agent that causes disease.

Notes on Meaning

This is a highly specific scientific term. It refers exclusively to this particular viral pathogen and the disease it causes in potatoes. It is not used in general or figurative language.

Noun

1. the virus that produces stunting and yellowing of the leaves of potato plants