THE ENEMIES OF THE POTATO: BACTERIAL DISEASES (1949)
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The Enemies of the Potato: Bacterial Diseases
Documentary
January 1, 1949
English
0h 10m
Canada
Bacterial diseases are caused by infinitely small beings, called microbes or bacteria, and are accompanied by physiological disorders such as hollow heart, black heart, etc. This documentary presents the main characteristics of these diseases as well as means of repression or prevention.
Crew
Maurice Proulx
Director