The Enemies of the Potato: Virus Diseases
1949-01-01
9 minutes.
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.
Year 1949
Studio
Director Maurice Proulx
Popularity 0
Language Français
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