Imperial Chemical Industries Limited

John W Slater

Ian T Kay

John E Barton

David J Collins

Clive Dudley Tomlin

Bogdan Kowalczyk

David Hartley

David J Collings

The present invention relates to a process for protecting crop plants against phytotoxic side effects of compounds of formula: ##STR1## which comprises treating the plants, parts of plants or fertile soils for plants with compounds of the formula: ##STR2## before, after or at the same time.

Novel antidoted herbicidal composition

Process of controlling weed grasses by treatment with triazine-dione compounds, of the formula: ##STR1## and salts thereof, wherein R.sup.1 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, R.sup.2 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 R.sup.2 is attached, and R.sup.3 is methyl, ethyl, or cyclopropyl.

Selective herbicides

Herbicidal formulations are provided utilizing as active ingredient, 4-hydroxy-2,3,5,6-tetrahalopyridines and salts thereof.

Herbicidal methods and compositions using

Growing community of inventors

Twyford, United Kingdom

John W Slater