black rot

noun

a fungous disease causing darkening and decay of the leaves of fruits and vegetables

• Hypernyms: ↑plant disease

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noun

: any of various diseases of cultivated plants caused by fungi or bacteria and producing dark brown discoloration and decay: as

a. : a disease of the apple, pear, and quince caused by a fungus (Physalospora cydoniae)

b. : a disease of the grape caused by a fungus (Guignardia bidwellii) — see grape rot

c. : a disease of cabbage and related plants caused by a bacterium (Xanthomonas campestris)

d. : a disease of the sweet potato caused by a fungus (Ceratostomella fimbriata)

e. : a disease of the potato caused by a bacterium (Erwinia atroseptica)

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Plant Pathol.

any of several diseases of fruits and vegetables, characterized by black discoloration and decay of affected parts, caused by fungi, as Guignardia bidwellii, or bacteria, as Xanthomonas campestris.

[1840-50, Amer.]

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black rot noun

Any disease of plants, vegetables or fruit in which parts turn black

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Main Entry: ↑black

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black rot,

1. any one of several diseases of cultivated plants, such as the sweet potato, apple, or grape. Fungi produce dark-brown spots in diseased plants.

2. the fungus that causes any one of these diseases.

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n. a disease of fruits and vegetables caused by bacteria or fungi, producing blackening, rotting, and shriveling