Compounds of Formula I, and their N-oxides and agriculturally suitable salts, are disclosed which are useful for controlling undesired vegetation
and R
1a
, R
1b
, R
1c
, R
2a
, R
2b
, R
3
, R
4
, R
5
, T, U, W, Y and Z are as defined in the disclosure.
Also disclosed are compositions containing the compounds of Formula I and a method for controlling undesired vegetation which involves contacting the vegetation or its environment with an effective amount of a compound of Formula I. Also disclosed are mixtures and compositions comprising a herbicidally effective amount of a compound of Formula Iz
wherein J, R
1a
, R
1b
, R
1c
, R
2a
, R
2b
, R
3
, R
4
, R
5
, T, U, W, Y and Z are as defined in the disclosure; and an effective amount of another herbicide or herbicide safener. Also disclosed is a method for selectively controlling undesired vegetation in a crop that involves contacting the locus of a crop with an effective amount of a compound of Formula Iz and a effective amount of a safener.