The Enemies of the Potato: Virus Diseases
AD Not all titles are available on Prime Video
FREE TRIAL

The Enemies of the Potato: Virus Diseases

1949
Documentary | 01 January 1949
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.
AD
FREE TRIAL CHANNELS