pear blight

Thân thiện

A gardener examines a pear tree with pear blight.

Definition

Noun: 1. A plant disease: A specific disease, primarily affecting pear and apple trees, characterized by a blackening or browning of the leaves, blossoms, and young shoots. It is often caused by bacterial or fungal pathogens.

Usage

• The term "pear blight" is used specifically in the context of agriculture, horticulture, and plant pathology to describe this damaging condition.
• It functions as a countable noun (e.g., ) and as an uncountable noun referring to the disease itself (e.g., ).

Examples

• Noun:
  • The farmer was concerned that the pear blight would spread to his entire orchard.
  • Early detection of pear blight is crucial for saving the trees.
  • This variety of apple tree shows some resistance to pear blight.

Advanced Usage

• The term is often used in technical and agricultural literature. In common gardening parlance, it may be referred to more generally as "fire blight," which is a specific and common type of bacterial blight affecting these trees.

Variants and Related Words

• Fire blight (n): A specific, highly contagious bacterial disease () that is a common cause of the symptoms described as pear blight. It causes a characteristic "scorched" appearance.
• Blight (n): The general category of plant diseases characterized by rapid and extensive browning, withering, and death of plant tissues.

Synonyms

• Plant disease
• Fire blight (specific type)
• Leaf blight

Notes on Different Meanings

• "Pear blight" has a single, specific meaning related to plant disease. It is not used idiomatically or in other contexts.

Học thuật

Noun

1. a disease blackening the leaves of pear and apple trees

Từ đồng nghĩa

• fire blight