The Enemies of the Potato: Virus Diseases (1949)
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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.
Release Date : Jan 01, 1949
Runtime : 9m
Genre : Documentary
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Keywords : potatoes
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