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.
Director:
Jul 7, 2000
Jan 19, 2018
Dec 31, 1943
Nov 1, 1944
Apr 27, 2019
Jan 1, 1949
Jan 1, 1940
Sep 1, 2023
May 10, 2025
Jun 20, 2020
May 25, 1972
Feb 20, 2004
Sep 30, 2015
Oct 12, 2019
Dec 25, 2020
Oct 31, 2005
Jan 1, 1990
Apr 24, 2025
Jan 7, 2021
Dec 19, 2009
Jan 1, 2011
Oct 5, 2019
Jul 30, 2011
Oct 6, 2013
Dec 1, 2017
Feb 3, 2003
Jul 31, 2010
Feb 23, 2012
Sep 29, 1957
Jun 10, 2010
Sep 26, 1956
Jul 6, 2016
Apr 20, 2011
Jul 18, 1932
Jun 17, 1993
Oct 14, 2017
Dec 14, 2016
Oct 21, 1970
