| abstract |
Disclosed are selected 5-amido-3-trihalomethyl-1,2,4-thiadiazole compounds of the formula: <IMAGE> wherein R1 is CCl3 or CF3; R2 is hydrogen, a lower alkyl group of 1 to 4 carbon atoms or an aryl group having 6 to 8 carbon atoms; and R3 is a lower alkyl group having from 2 to 4 carbon atoms, an aryl group having 6 to 8 carbon atoms, or CX3, where X is H, Cl, F or OCH3. These compounds are shown to have post-emergence herbicidal properties. |