The Enemies of the Potato: Virus Diseases 1949

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Documentary

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.

Top Billed Cast

Release Date 1949-01-01
Runtime 9m
Director Maurice Proulx
Producer
Writer