Potato rot

a disease of the tubers of the potato, supposed to be caused by a kind of mold (Peronospora infestans), which is first seen upon the leaves and stems.
(Bot.) See under Potato.

See also: Potato, Rot

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To identify the soft-rot pectobacteria, the tests of gram, oxidase, urease, catalase, potato rot, hypersensitive reaction and growth at 37 and 40[degrees]C, reductive materials production from sucrose and indole and phosphate production were conducted according to Schaad et al.
All isolates were rod-shape, gram-negative, facultative anaerobe, oxidase-negative, catalase-positive and were able to cause potato rot while they could not induce hypersensitive reaction.
For instance, Switzerland produces spirit from potato, while tons of our potato rot at cellars," Nogoev said.