Les ennemis de la pomme de terre: Maladies à virus
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Trama
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.
Dettagli
- Maurice Proulx
- 1 gennaio 1949
- Released
- 9 min
Dove guardarlo
Nessuna offerta di streaming nota (paese: Italia).
