The Enemies of the Potato: Virus Diseases

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.

Country:

Genre:

Documentary

Duration:

9 minutes

Year:

1949

Director:

Maurice Proulx

Cast:

Crew:

Director