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

Les ennemis de la pomme de terre: Maladies à virus

1949 | Kanada | 9 minut

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Originální název: Les ennemis de la pomme de terre: Maladies à virus
Žánr: Dokumentární
Režie: Maurice Proulx

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.