Picolinic acid derivative, and herbicidal composition

Details Picolinic acid derivative, and herbicidal composition Picolinic acid derivative, and herbicidal composition

1992-10-14

1995-02-21

Ford, John M.

Plant protecting and regulating compositions

Plant growth regulating compositions

Organic active compound containing

504242, 504239, 504193, 544300, 544310, 544316, 544320, 544321, 544331, 544229, 544296, A01N 4354, C07D40112

Patent

active

053915372

ABSTRACT:
The present invention is to provide a novel picolinic acid derivative having the formula, ##STR1## (wherein R is a hydrogen atom, an alkyl group or others, R.sup.1 and R.sup.2 are the same or different, and are an alkyl group, an alkoxy group or others, X is a cyano group, a phenoxy group or others, Y is an oxygen atom or others, and n is 0 or 1) or a salt thereof; a method for preparing the same; and a herbicidal composition containing the same as an active ingredient.
The picolinic acid derivative or the salt thereof of the present invention achieves an excellent herbicidal effect at a low dosage, and is effective for controlling the growth of various weeds in a wide range.
The picolinic acid derivative or the salt thereof of the present invention can be applied to a paddy field, a cultivated field, a non-agricultural land and the like as a herbicidal composition.

REFERENCES:
patent: 5015285 (1991-05-01), Rheinheimer
patent: 5085685 (1992-02-01), Rheinheimer
patent: 5125957 (1992-06-01), Hiratsuka et al.

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