A - Human Necessities – 01 – N
Patent
A - Human Necessities
01
N
71/8.9
A01N 57/12 (2006.01) A01N 57/20 (2006.01) C07F 9/30 (2006.01)
Patent
CA 1131460
ABSTRACT OF THE DISCLOSURE: The present invention is concerned with a method for controlling perrenial weeds and brush which comprises apply- ing thereto a herbicidally effective amount of a herbicidal com- position having as active ingredient an L-isomer of a compound of formula (I): Image wherein, X and Y are same or different and each represents hydro- gen atom, a mono- or di-valent metal atom, an ammonium, a mono-di-or tri- lower alkylammonium, a mono-, di- or tri-ethanolammonium or a mono-, di- or tri-lower alkenylammonium, and, m and n represent valencies of X and Y, respectively or an acid-addition salt the- reof. The use of the levorotatory isomer shown more particular- ly an efficiency for controlling perrenial weeds and brush up to twice than the one of the racemic corresponding compound.
318635
Inouye Shigeharu
Konnai Makoto
Tachibana Kunitaka
Takematsu Tetsuo
Tsuruoka Takashi
Meiji Seika Kaisha Ltd.
Robic Robic & Associes/associates
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