Monsanto Company

David E Schafer

Albert J Czajkowski

John J D'Amico

John A Houbion

James A Sikorski

John E Franz

Robert K Howe

Raymond C Grabiak

Lawrence H Brannigan

2-chloro-4-trifluoromethyl-5-thiazolecarbothioic acid derivatives having the formula ##STR1## where R is C.sub.1-5 alkyl, phenyl or benzyl, have been found to be effective in reducing herbicidal injury to grain sorghum caused by the application thereto of a 2-haloacetanilide herbicide, especially, alachlor.

2-chloro-4-trifluoromethyl-thiazolecarbothioic acids useful as

The disclosure herein relates to the use of organophosphorous compounds as antidotes for thiolcarbamate herbicides used in various crops, particularly grass crops, e.g., corn, rice, barley, sorghum and wheat.

Compositions and methods for reducing herbicidal injury

This invention relates to triester derivatives of N-phosphonomethylthionoglycine which represent a new class of organic chemical compounds. This invention further relates to herbicidal compositions and methods employing such compounds.

Triester derivatives of N-phosphonomethylthionoglycine as herbicides

The invention relates to the use of certain organothiophosphorous compounds as antidotes for thiocarbamate herbicides in grass crops as well as to herbicidal compositions containing a thiocarbamate herbicide and an antidotally effective amount of an organothiophosphorous compound.

Organothiophosphorous compounds useful as antidotes for thiocarbamate

The invention relates to 2-(pyridylthio)pyridine-N-oxides and their use in reducing the herbicidal injury to sorghum due to the application thereto of various herbicides.

2-(Pyridylthio)pyridine-N-oxides

The invention relates to the safening of crop plants to the use of herbicides using a 5-aryl-4-isoxazolecarboxylate or composition containing such compounds to reduce the herbicidal injury to treated crop plants. The invention is also concerned with novel compositions which comprise an acetanilide herbicide and a 5-aryl-4-isoxazolecarboxylate.

5-Aryl-4-isoxazolecarboxylate-safening agents

A method and compositions for reducing injury to crops, especially wheat and sorghum, by thiolcarbamate herbicides employing compounds having in common the base structure ##STR1## wherein Y and Y' are oxygen or sulfur.

Certain 3-phenacyl phthalides have been found useful as safening agents to reduce herbicidal injury to rice plants.

3-Phenacyl phthaldide safening agents

Certain 3-phenacylidene phthalides have been found useful as safening agents to reduce herbicidal injury to rice plants.

3-Phenacylidene phthalide safening agents

A method and compositions for reducing injury to crops, especially wheat and sorghum, by acetanilide selective herbicides employing compounds having in common the base structure ##STR1## wherein Y and Y' are oxygen or sulfur.

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Creve Coeur, MO, United States of America

David E Schafer