Method for controlling aquatic weeds with N-phenylalkyl-.gamma.-hydroxybutyramide
AssigneeGAF Corporation
InventorJoseph P. Copes
Life of this patent
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Abstract
Process of employing as herbicides N-phenylalkyl - .gamma. hydroxybutyramide or methyl or halo derivatives thereof wherein the methyl or halo substituent occupies any one of two of the ortho-, meta- and para-positions of the phenyl ring; said compounds having the following formula: ##SPC1## Wherein m is 1 or 0 and R.sub.1 is hydrogen, methyl, chlorine, or bromine; R.sub.2 is hydrogen, methyl or, when R.sub.1 is other than hydrogen, R.sub.2 can also be chlorine or bromine; and R.sub.3 is hydrogen or, when R.sub.1 is hydrogen, R.sub.3 can also be chlorine or bromine. The above compounds are useful as plant growth regulating agents particularly as a herbicide or control agents for aquatic weeds.
Claims9
The method of controlling the growth of aquatic weeds which comprises applying to the site where said growth is to be controlled, an effective amount of an herbicidal composition comprising as the active component, an N-phenylakyl-2-hydroxybutyramide having the following formula:
- ##SPC3##
- wherein m is 1 or 0;
- at least one of R.sub.1 and R.sub.3 is hydrogen and the other is hydrogen, methyl, chlorine or bromine, and R.sub.2 is hydrogen, methyl, chlorine or bromine.
Dependencies are inferred from the claim text.