The Enemies of the Potato: Virus Diseases streaming HD
0371 views •
9m
3.8 stars
Genre: Documentary,
Runtime:9 min •
HD •
0.6
Release add: 1949-01-01
Production:
J'aime ça?
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.