images

Released on: 1949-01-01

Les ennemis de la pomme de terre: Maladies à virus

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.

Documentary

Production Companies:

Production Countries:

Astro

Videos

Astro

Similar Movies

Astro

Reccommendations