Les ennemis de la pomme de terre: Maladies à virus
Les ennemis de la pomme de terre: Maladies à virus
Ver Les ennemis de la pomme de terre: Maladies à virus (1949) Online en Cuevana. 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.
- Género: Documental
- País:
- Director: Maurice Proulx
- Actores:
