Les ennemis de la pomme de terre: Maladies à virus (1949)

Documentary, Short • 0h 9m

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 c...

Maurice Proulx
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Language: French
Awards:
Country: Canada
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(6 votes)