head blight

Thân thiện

A farmer examines a wheat stalk showing signs of head blight in the field.

Definition

Noun: A plant disease, specifically a blight, that affects the seed heads or flowering parts of cereal crops (such as wheat, barley, or oats), often causing discoloration, decay, and significant yield loss.

Usage

Head blight is a technical agricultural term. It is used as a countable noun, often preceded by an article (a, the) or a modifier specifying the crop or pathogen (e.g., Fusarium head blight). - The term is primarily used in the contexts of plant pathology, farming, and agricultural science.

Examples

• The wet, humid conditions have led to an outbreak of head blight in the wheat fields.
• Fusarium head blight is one of the most economically damaging diseases for barley producers.
• Farmers are scouting their fields for early signs of head blight.

Advanced Usage

• The term can be part of compound names for specific diseases, where the modifying word indicates the causal agent (e.g., head blight, is another common name for the same disease in some regions).

Variants and Related Words

• Blight (n.): A general term for any plant disease that causes withering, spotting, discoloration, and death of parts without rotting.
• Scab (n.): A common name for a type of head blight, particularly in wheat, caused by fungi in the genus .
• Ear blight (n.): A synonymous term used, particularly in British English, for diseases affecting the ear (head) of cereal crops.

Synonyms

• Ear blight
• Seed head blight

Notes

Head blight is not typically used in idiomatic expressions or phrasal verbs, as it is a specific technical term.

Học thuật

Noun

1. a blight of the heads of cereals