Presentation of the different insects which ravage the potato (Colorado beetle, flea beetle, white grub, wire worm, leaf hopper) and the most effective means of repression.
Maurice Proulx
Director
Dec 31, 1943
Jan 1, 1940
Jul 7, 2000
Jan 19, 2018
Nov 1, 1944
Apr 27, 2019
Jan 1, 1949
Dec 13, 2013
Dec 1, 2013
Mar 8, 2014
Apr 28, 2019
Jun 20, 2025
Oct 30, 2018
Aug 30, 2020
Apr 20, 2017
Canada
Français
