| abstract |
2-Aryl-4,6-dihalopyrimidines of the formula I ##STR1## wherein Hal is halogen, n E is unsubstituted or substituted phenyl, thienyl or furyl, and n Y is a group bound by way of nitrogen, oxygen or sulfur, n are able as antidote or `safener` to protect cultivated plants against the phytotoxic action of herbicides. Cultivated plants concerned are particularly sorghum, cereals, maize, rice and soya bean, and herbicides concerned are chloroacetanilides or other herbicidally effective substances. |