Glaeosporium fructigenum
Rot Rot, n. 1. Process of rotting; decay; putrefaction. [1913 Webster]

2. (Bot.) A disease or decay in fruits, leaves, or wood, supposed to be caused by minute fungi. See {Bitter rot}, {Black rot}, etc., below. [1913 Webster]

3. [Cf. G. rotz glanders.] A fatal distemper which attacks sheep and sometimes other animals. It is due to the presence of a parasitic worm in the liver or gall bladder. See 1st {Fluke}, 2. [1913 Webster]

His cattle must of rot and murrain die. --Milton. [1913 Webster]

{Bitter rot} (Bot.), a disease of apples, caused by the fungus {Gl[ae]osporium fructigenum}. --F. L. Scribner.

{Black rot} (Bot.), a disease of grapevines, attacking the leaves and fruit, caused by the fungus {L[ae]stadia Bidwellii}. --F. L. Scribner.

{Dry rot} (Bot.) See under {Dry}.

{Grinder's rot} (Med.) See under {Grinder}.

{Potato rot}. (Bot.) See under {Potato}.

{White rot} (Bot.), a disease of grapes, first appearing in whitish pustules on the fruit, caused by the fungus {Coniothyrium diplodiella}. --F. L. Scribner. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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