Herbicidal synergistic composition and method of weed control

• US 6,180,563 B1
• Filed: 01/26/1998
• Issued: 01/30/2001
• Est. Priority Date: 01/28/1997
• Status: Expired due to Term

• Current Assignee: Syngenta Crop Protection LLC (China National Chemical Corporation)
• Original Assignee: Novartis Crop Protection Incorporated
• Inventors: Hudetz, Manfred, Rüegg, Willy
• Primary Examiner(s): CLARDY, S
• Application Number:
  US09/013,012
• Time in Patent Office: 1,100 Days
• Field of Search: 504/136, 504/128
• US Class Current: 504/128
• CPC Class Codes: A01N 2300/00 Combinations or mixtures of active ingredients covered by classes A01N27/00 - A01N65/48 with other active or formulation relevant ingredients, e.g. specific carrier materials or surfactants, covered by classes A01N25/00 - A01N65/48
• CPC Class Codes: A01N 37/18 containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof
• CPC Class Codes: A01N 37/22 the nitrogen atom being directly attached to an aromatic ring system, e.g. anilides
• CPC Class Codes: A01N 37/34 Nitriles
• CPC Class Codes: A01N 43/54 1,3-Diazines; Hydrogenated 1,3-diazines
• CPC Class Codes: A01N 43/58 1,2-Diazines; Hydrogenated 1,2-diazines
• CPC Class Codes: A01N 43/70 Diamino—1,3,5—triazines with only one oxygen, sulfur or halogen atom or only one cyano, thiocyano (—SCN), cyanato (—OCN) or azido (—N3) group directly attached to a ring carbon atom
• CPC Class Codes: A01N 43/80 five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2
• CPC Class Codes: A01N 47/30 Derivatives containing the group >N—CO—N aryl or >N—CS—N—aryl
• CPC Class Codes: A01N 47/36 containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof
• CPC Class Codes: A01N 55/02 containing metal atoms

Abstract

A herbicidal composition comprising, in addition to conventional inert formulation adjuvants, the compound of formula I

in admixture with a synergistically effective amount of at least one active ingredient from the substance classes of formula IV

e.g., glyphosate or glufosinate.

Claims

1. A herbicidal composition which comprises the compound of formula I

in admixture with a compound of formula IV

wherein

n is 1,

R₆ is hydrogen or NH₂,

R₇ is hydrogen,

Q is the group:

2. A herbicidal composition according to claim 1, wherein the component of formula I is present in a weight ratio of from 1:

100 to 1000;

1 in relation to the component of formula IV.

3. A method of controlling undesired plant growth in crops of useful plants, which comprises allowing a herbicidally effective amount of a composition according to claim 1 to act on the cultivated plant or the locus thereof.

4. A method according to claim 3, wherein the cultivated plant is cotton or sugar cane.

5. A method according to claim 3, wherein the crops of useful plants are treated with said composition at rates of application corresponding to from 0.008 to 5 kg/ha total amount of active ingredients per hectare.

6. A herbicidal composition which comprises the component of formula I

in admixture with a second component comprising at least one compound selected from the group consisting of prometryn, pendimethalin, metolachlor. α

-metolachlor, MSMA, and bromoxynil, and salts thereof.

7. A herbicidal composition which comprises the component of formula I

in admixture with a second component comprising at least one compound selected from the group consisting of norflurazon,pyrithiobac-sodium, fluometuron, trifluralin, and clomazone, and salts thereof.