HERBICIDAL COMPOSITION CONTAINING 4-amino-3-chloro-6-(4-chloro-2-fluoro-3-methoxyphenyl) pyridine-2-carboxylic acid or derivative thereof AND FLUROXYPYR or derivatives thereof
Herbicidal compositions comprising and methods of controlling desirable vegetation utilizing 4-amino-3-chloro-6-(4-chloro-2-fluoro-3-methoxyphenyl)pyridine-2-carboxylic acid or an agriculturally acceptable ester, amide, or salt thereof and (b) fluroxypyr or an agriculturally acceptable ester, amide, or salt thereof.
1 . A composition comprising a herbicidally effective amount of (a) a compound of the formula (I):
or, with respect to its carboxylic acid moiety, an agriculturally acceptable salt, ester, or amide thereof, and (b) fluroxypyr, or, with respect to its carboxylic acid moiety, an agriculturally acceptable ester, amide, or salt thereof.
2 . The composition of claim 1 , wherein the composition further comprises a herbicide safener.
3 . The composition of claim 2 , wherein the safener is cloquintocet acid or cloquintocet mexyl.
4 . The composition of claim 1 , wherein (a) is a C 1 -C 4 or benzyl ester of the compound of formula (I).
5 . The composition of claim 4 , wherein (a) is the methyl ester of the compound of formula (I).
6 . The composition of claim 5 , wherein (b) is fluroxypyr meptyl.
7 . The composition of claim 1 , wherein the carboxylic acid equivalent weight ratio of (a) to (b) is from about 1:1 to about 1:62.
8 . The composition of claim 1 , wherein the carboxylic acid equivalent weight ratio of (a) to (b) is from about 1:3 to about 1:31.
9 . The composition of claim 6 , wherein the carboxylic acid equivalent weight ratio of (a) to (b) is from about 1:1 to about 1:62.
10 . The composition of claim 6 , wherein the carboxylic acid equivalent weight ratio of (a) to (b) is from about 1:3 to about 1:31.
11 . The composition of claim 1 , wherein (a) is the triethylammonium salt of the compound of formula (I).
12 . The composition of claim 11 , wherein (b) is fluroxypyr meptyl.
13 . The composition of claim 12 , wherein the carboxylic acid equivalent weight ratio of (a) to (b) is from about 1:6 to about 1:17.
14 . The method of controlling undesirable vegetation comprising contacting the undesirable vegetation, the area adjacent to the undesirable vegetation, or soil a herbicidally effective amount of the composition of claim 1 .
15 . The method of claim 14 , wherein (a) is the methyl ester of the compound of formula (I) and (b) is fluroxypyr meptyl.
16 . The method of claim 14 , wherein the undesirable vegetation is Melochia, Eleusine, Lolium, or Panicum.
17 . The method of claim 14 , wherein the undesirable vegetation is MEOPA, ELEIN, LOLMU, or PANDI.
18 . The method of claim 1 , wherein the composition is applied pre-emergently.
19 . The method of claim 1 , wherein the composition is applied post-emergently.
20 . A method of controlling undesirable vegetation comprising contacting the undesirable vegetation, the area adjacent to the undesirable vegetation, or soil a herbicidally effective amount of
(a) a compound of the formula (I):
or, with respect to its carboxylic acid moiety, an agriculturally acceptable salt, ester, or amide thereof, and (b) fluroxypyr, or, with respect to its carboxylic acid moiety, an agriculturally acceptable ester, amide, or salt thereof.
21 . The method of claim 20 , wherein (a) is the methyl ester of the compound of formula (I) and (b) is fluroxypyr meptyl.