The Enemies of the Potato: Virus Diseases
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.
RATING
0.0
DIRECTOR
Maurice Proulx
COUNTRY
RELEASE DATE
1949
TIME
9m
GENRE
Documentary
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