Aqueous herbicidal composition based on a suspension concentrate comprising herbicides and safeners

1. An aqueous suspension concentrate, comprising

A) a herbicidally active compound of formula (I) in suspended form

in which

R 1 , R 2 , R 3 and R 4 independently of one another are methyl or ethyl,

B) a safener of formula (II),

in which

R 5 is isopropyl or cyclopropyl and

R 6 is hydrogen or chlorine,

C) dispersants comprising poly(oxy-1,2-ethanediyl), alpha-phosphono-omega-[2,4,6-tris(1-phenylethyl)phenoxy] and at least one other dispersant selected from the group consisting of alkyl polyglycosides and alkyl polyglucosides, and

D) water.

2. The suspension concentrate as claimed in claim 1 , additionally comprising:

E) antifreeze agents;

F) preservatives;

G) defoamers; and

H) thickeners.

3. An aqueous herbicidal composition, obtained by diluting a suspension concentrate as claimed in claim 1 with water.

4. An aqueous herbicidal composition, obtained by diluting a suspension concentrate as claimed in claim 1 with an aqueous solution of fertilizer.

5. The aqueous herbicidal composition as claimed in claim 4 , wherein the fertilizer is ammonium sulfate or ammonium nitrate.

6. A method for controlling unwanted vegetation comprising applying an effective amount of an aqueous suspension concentrate as claimed in claim 1 to plants, parts of the plants, a seed or an area in which the plants grow.

7. An aqueous herbicidal composition obtained by diluting a herbicidal composition as claimed in claim 3 with an aqueous solution of fertilizer.

8. The suspension concentrate as claimed in claim 1 , wherein the dispersants comprise poly(oxy-1,2-ethanediyl), alpha-phosphono-omega-[2,4,6-tris(1-phenylethyl)phenoxy], alkyl polyglycosides and alkyl polyglucosides.

9. The suspension concentrate as claimed in claim 1 , further comprising a herbicidally active compound of formula (III),

in which

Q is a radical Q 1 , Q 2 or Q 3 ,

R 7 is chlorine, methylsulfonyl or trifluoromethyl,

R 8 is hydrogen or 2,2,2-trifluoroethoxymethyl,

R 9 is methylsulfonyl or trifluoromethyl.

10. The suspension concentrate as claimed in claim 2 , additionally comprising a thixotropic agent.

11. The suspension concentrate as claimed in claim 9 , wherein the herbicidally active compound of formula (III) is selected from the group consisting of:

12. The suspension concentrate as claimed in claim 11 , comprising

A) from 4 to 30% of said herbicidally active compound of formula (I),

B) from 4 to 30% of said safener of formula (II),

C) from 0 to 35% of said herbicidally active compound of formula (III),

D) from 0.5 to 30% of said dispersants, and

E) from 30 to 70% of said water.

13. The suspension concentrate as claimed in claim 11 , comprising

A) from 5 to 25% of said herbicidally active compound of formula (I),

B) from 5 to 25% of said safener of formula (II),

C) from 0 to 30% of said herbicidally active compound of formula (III),

D) from 1 to 20% of said dispersants, and

E) from 35 to 65% of said water.

14. The suspension concentrate as claimed in claim 11 , comprising

A) from 5 to 20% of said herbicidally active compound of formula (I),

B) from 8 to 20% of said safener of formula (II),

C) from 0 to 25% of said herbicidally active compound of formula (III),

D) from 2.5 to 15% of said dispersants, and

E) from 40 to 60% of said water.

15. The suspension concentrate as claimed in claim 12 , additionally comprising from 1 to 15% of one or more antifreeze agents, from 0.05 to 1% of one or more preservatives, from 0.05 to 1% of one or more defoamers, and from 0.1 to 5% of one or more thickeners or thixotropic agents.

16. The suspension concentrate as claimed in claim 13 , additionally comprising from 2 to 10% of one or more antifreeze agents, from 0.05 to 0.5% of one or more preservatives, from 0.1 to 1% of one or more defoamers, and from 0.2 to 3% of one or more thickeners or thixotropic agents.

17. The suspension concentrate as claimed in claim 14 , additionally comprising from 2 to 10% of one or more antifreeze agents, from 0.05 to 0.25% of one or more preservatives, from 0.1 to 0.5% of one or more defoamers, and from 0.25 to 2.5% of one or more thickeners or thixotropic agents.

18. The aqueous herbicidal composition as claimed in claim 7 , wherein the fertilizer is ammonium sulfate or ammonium nitrate.