Method of controlling weed growth in rice fields with tri-n-butyl tin imidazole
AssigneeSchering Corporation
InventorsFriedrich Arndt, Hans Plum
Life of this patent
Estimating the term…
Abstract
Compounds having herbicidal and algicidal action are provided of the general formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are identical or different alkyl radicals, and R.sub.4 is an acid radical, or the radical of an acid compound or is ##STR2## with R.sub.1 ', R.sub.2 ', and R.sub.3 ' having the meaning of R.sub.1, R.sub.2 or R.sub.3 respectively, and wherein X represents oxygen or sulfur.
Claims1
A method for the treatment of rice fields for the control of weed growth which comprises applying to the water surface of flooded rice fields from about 0.5 to about 10 kilograms per hectare of tri-n-butyl tin imidazole.
Dependencies are inferred from the claim text.