brown rot

noun

any of certain fungous diseases of plants characterized by browning and decay of tissues

• Hypernyms: ↑plant disease

• Hyponyms: ↑brown rot gummosis, ↑gummosis, ↑ring rot, ↑ring disease, ↑tobacco wilt

* * *

noun

1. : any of certain diseases of plants characterized by browning and decay of tissues: as

a. : a disease of stone and pome fruits caused by fungi of the genus Sclerotinia and marked by blighting of twigs, blossoms, and leaves and canker of the stems as well as browning

b. or brown rot gummosis : a destructive disease of citrus fruits caused by a fungus (Phytophthora citrophthora) and marked by gummosis of the trunk as well as browning and decay — called also foot rot

c. : a destructive disease of potatoes, tomatoes, tobacco, and related plants caused by a bacterium (Pseudomonas solanacearum) and marked by browning of the vascular bundles and wilting — called also ring disease, ring rot, tobacco wilt

d. : a decay of timber caused by a fungus (Polyporus sulphureus)

2. : any organism causing brown rot

* * *

Plant Pathol.

any plant disease, esp. of apples, peaches, plums, and cherries, characterized by browning and decay of tissues, caused by various fungi and bacteria.

[1890-95]

* * *

brown rot noun

Any of several plant diseases causing browning

• • •

Main Entry: ↑brown

* * *

brown rot,

a disease caused by a fungus—especially of apples, peaches, plums, and cherries—in which the fruit becomes soft and brown and a moldlike growth develops.

* * *

n. a fungal disease causing the rotting and browning of parts of plants, in particular: ●

a) a disease producing discoloration and shriveling of apples, pears, plums, etc. (caused by fungi of the genus Monilinia, phylum Ascomycota)

b) a disease resulting in the softening and cracking of timber (caused by bracket fungi of the family Polyporaceae, class Basidiomycetes)