The Enemies of the Potato: Virus Diseases
The Enemies of the Potato: Virus Diseases
0.0 Les ennemis de la pomme de terre: Maladies à virus
1949, 9 m
Documentary
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.