The Enemies of the Potato: Virus Diseases
1949·9m
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Documentary
Overview
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.
Director
Maurice Proulx
Details
Language
en
Status
Released
