| abstract |
Compositions containing 1,2-dihydro-1,3,5-triazines of general formulae (Ia) or (Ib), wherein R?1, R2, R3, R4, R4', R5 and R5'¿ are various substituents, or their tautomers and salts and metal complexes thereof, have herbicidal activity and may be applied either pre- or post-emergence to control weeds. Some of the compounds of general formulae (Ia) and (Ib) are new. |