| abstract |
The use of fused ring-1,2,4-benzotriazine derivatives as herbicides or plant growth regulators for the control of undesired plants or vegetation, compounds and compositions thereof, and processes for their preparation. n nThe invention relates to the use of a compound of the formula (I) or a salt thereof: n n nwherein A-W, X, Y, Z, R 1 , R 2 , R 3 and R 4 are defined in the description, as herbicides or plant growth regulators for the control of undesired plants or vegetation, to compounds and compositions thereof, and to processes for their preparation. |