Glyphosate-sulfuric acid adduct herbicides and use

Details Glyphosate-sulfuric acid adduct herbicides and use Glyphosate-sulfuric acid adduct herbicides and use

1993-12-21

1995-05-02

Hollrah, Glennon H.

Plant protecting and regulating compositions

Plant growth regulating compositions

Organic active compound containing

504123, A01N 5704, A01N 5902

Patent

active

054119448

ABSTRACT:
Herbicidal compositions are provided which contain combinations of glyphosate [N-(phosphonomethyl)glycine] and sulfuric acid, and/or combinations of glyphosate, sulfuric acid and a chalcogen-containing compound of the formula R.sub.1 --CX--R.sub.2 wherein X is a chalcogen compound of the formula R.sub.1 --CX--R.sub.2 wherein X is selected from oxygen and sulfur, R.sub.1 and R.sub.2 are independently selected from hydrogen, monovalent organic radicals, NR.sub.3 R.sub.4 and NR.sub.5, at least one of R.sub.1 and R.sub.2 being NR.sub.3 R.sub.4 or NR.sub.5, R.sub.3 and R.sub.4 are independently selected from hydrogen and monovalent organic radicals, and R.sub.5 is a divalent organic radical. Such compositions contain reaction products of glyphosate and sulfuric acid, and/or of glyphosate, sulfuric acid and the chalcogen compound, and they may also contain excess glyphosate or sulfuric acid. They effect more rapid, more thorough, broader spectrum vegetation control, and are more stable chemically and less toxic than other glyphosate-containing herbicides.

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