SELECTIVE HERBICIDES

摘要

Process of controlling weed grasses by treatment with triazine-dione compounds, of the formula: and salts thereof, wherein R1 is an alkyl group of 3 to 5 carbon atoms in which the carbon atom attached to the ring nitrogen atom is a secondary or tertiary carbon atom, R2 is an alkyl radical of 3 to 5 carbon atoms such that no carbon atom of the radical is linked through a linear sequence of more than two carbon atoms to the nitrogen atom to which R2 is attached, and R3 is methyl, ethyl, or cyclopropyl.