THE ENEMIES OF THE POTATO: VIRUS DISEASES (1949)
Not Rated
The Enemies of the Potato: Virus Diseases
Documentary
January 1, 1949
English
0h 9m
Canada
Among the various diseases that attack the potato during the growing season, there are first of all the virus diseases such as Mosaic, Leaf Roll, Spindle, Purple Top, etc. Certified seed appears to be the most effective means of combating these diseases.
Crew
Maurice Proulx
Director