Herbicidal Compositions

Abstract

This disclosure features herbicidal compositions including one or more indole auxins and methods of making and using the same.

1 . A method for controlling unwanted vegetation, which comprises applying, in combination:
 (1) one or more indole auxins, or an agriculturally suitable salt thereof; and   (2) one or more chelating agents or an agriculturally suitable salt thereof;   to the unwanted vegetation and/or to a growing medium that is in proximity to a base and root system of the one or more unwanted vegetation.   
     
     
         2 .- 51 . (canceled) 
     
     
         52 . A composition comprising:
 (1) one or more indole auxins, or an agriculturally suitable salt thereof; and   (2) one or more chelating agents or an agriculturally suitable salt thereof.   
     
     
         53 . The composition of  claim 52 , wherein the one or more indole auxins are selected from the group consisting of: indole-3-acetic acid or an agriculturally suitable salt thereof, indole-3-butyric acid or an agriculturally suitable salt thereof, and indole-3-propanoic acid or an agriculturally suitable salt thereof. 
     
     
         54 . The composition of  claim 52 , wherein (1) is indole-3-butyric acid or an agriculturally suitable salt thereof. 
     
     
         55 . (canceled) 
     
     
         56 . The composition according to  claim 52 , wherein each of the one or more chelating agents is selected from the group consisting of: an aminopolycarboxylic acid, an aromatic or aliphatic carboxylic acid chelating agent, an amino acid, an ether polycarboxylic acid, a phosphonic acid, and a hydroxycarboxylic acid. 
     
     
         57 . The composition according to  claim 52 , wherein at least one of the one or more chelating agents is an aminopolycarboxylic acid. 
     
     
         58 . The composition according to  claim 56 , wherein the aminopolycarboxylic acid is selected from the group consisting of: ethylenediaminetetraacetic acid (EDTA), diethylenetriaminepentaacetic acid (DTPA), hydroxyethylenediaminetriacetic acid (HEDTA), and ethylenediaminedisuccinate (EDDS). 
     
     
         59 . The composition according to  claim 56 , wherein the aminopolycarboxylic acid is ethylenediaminetetraacetic acid (EDTA). 
     
     
         60 . The composition according to  claim 56 , wherein (2) is substantially free of a source of metal ions. 
     
     
         61 . The composition of  claim 60 , wherein the metal ions are transition metal ions. 
     
     
         62 . The composition according to  claim 56 , wherein (2) is substantially free of one or more chelating agents having a chelated, complexed, or sequestered transition metal ions. 
     
     
         63 . The composition according to  claim 56 , wherein the weight ratio of (1):(2) is from 1:1 to 1:50. 
     
     
         64 . The composition according to  claim 56 , wherein (1) is present in an amount of about 0.05 to about 5% by weight of the composition. 
     
     
         65 . (canceled) 
     
     
         66 . The composition according to  claim 56 , wherein (2) is present in an amount of about 0.1 to about 10% by weight of the composition. 
     
     
         67 . (canceled) 
     
     
         68 . The composition according to  claim 56 , wherein the composition comprises at least 50 weight percent of (1) and (2). 
     
     
         69 .- 70 . (canceled) 
     
     
         71 . The composition according to  claim 56 , wherein the composition further comprises one or more agriculturally suitable adjuvants. 
     
     
         72 . (canceled) 
     
     
         73 . The composition of  claim 71 , wherein each of the one or more agriculturally suitable adjuvants is independently selected from the group consisting of a humectant, a penetrant, a surfactant, a pigment, an emulsifier, and a wetting or spreading agent. 
     
     
         74 . The composition according to  claim 73 , wherein each of the one or more agriculturally suitable adjuvants is independently selected from the group consisting of a polyethylene glycol, a polypropylene glycol, propylene glycol, an oil adjuvant, and an emulsifier. 
     
     
         75 .- 76 . (canceled) 
     
     
         77 . The composition according to  claim 71 , wherein the weight ratio of (1): the one or more agriculturally suitable adjuvants is from 1:1 to 1:50. 
     
     
         78 . The composition according to  claim 56 , wherein the composition comprises:
 (1) indole-3-butyric acid or an agriculturally suitable salt thereof;   (2) ethylenediaminetetraacetic acid (EDTA); and   (3) one or more agriculturally suitable adjuvants independently selected from the group consisting of a polyethylene glycol, a polypropylene glycol, propylene glycol, an oil adjuvant, and an emulsifier.   
     
     
         79 . The composition according to  claim 78 , wherein the composition comprises at least 50 weight percent of (1), (2), and the one or more agriculturally suitable adjuvants. 
     
     
         80 .- 81 . (canceled) 
     
     
         82 . The composition according to  claim 56 , wherein the composition is substantially free of water. 
     
     
         83 . The composition according to  claim 56 , wherein the composition further comprises water. 
     
     
         84 .- 110 . (canceled) 
     
     
         111 . A method for controlling unwanted vegetation, wherein the method comprises applying a composition comprising at least 5% by weight of one or more indole auxins, or an agriculturally suitable salt thereof, to the unwanted vegetation and/or to a growing medium that is in proximity to a base and root system of the one or more unwanted vegetation. 
     
     
         112 .- 125 . (canceled) 
     
     
         126 . A method for controlling unwanted vegetation, which comprises applying a composition comprising:
 (1) one or more indole auxins, or an agriculturally suitable salt thereof; and   (3) one or more agriculturally acceptable adjuvant;   to the unwanted vegetation and/or to a growing medium that is in proximity to a base and root system of the one or more unwanted vegetation.   
     
     
         127 .- 149 . (canceled)