Definition

Noun: A fungal disease affecting raspberry plants, characterized by the death of fruiting spurs (short branches that bear flowers and fruit) and canes. It is caused by the fungus Didymella applanata and can significantly reduce crop yield.

Usage

Spur blight is used specifically in the context of horticulture and plant pathology to describe this particular disease. - The primary symptom of spur blight is the appearance of purple or brown lesions on the canes near the base of leaf stems and buds. - Controlling spur blight involves good sanitation practices like removing infected canes.

Examples

• The raspberry harvest was poor this year due to a severe outbreak of spur blight.
• Gardeners should inspect their canes regularly for early signs of spur blight.
• Applying a fungicide in early spring can help prevent spur blight.

Advanced Usage

• Economic Impact: The term is often used in agricultural reports and extension services to discuss the economic impact of the disease on raspberry production.
• Integrated Pest Management (IPM): Within IPM strategies, managing spur blight is a key component for sustainable raspberry cultivation.

Variants and Related Words

• Cane blight (noun): A different, but sometimes co-occurring, fungal disease of raspberries caused by that affects the entire cane.
• Spur (noun): In botany, a short, fruit-bearing shoot. The disease is named for its primary effect on these structures.

Synonyms

• Didymella blight (noun): A more technical synonym referencing the causal fungus, .

Related Phrases

• Spur blight infection (noun phrase): Describes the state or instance of the disease affecting a plant or crop.
  • The field showed a high rate of spur blight infection.
• Spur blight resistance (noun phrase): Refers to the quality in some raspberry cultivars of being less susceptible to the disease.
  • Breeders are developing varieties with improved spur blight resistance.

Noun

1. a disease of raspberries