Aqueous neonicotinoid compositions for seed treatment

• US 20050215432A1
• Filed: 08/17/2004
• Published: 09/29/2005
• Est. Priority Date: 09/28/2001
• Status: Active Grant

• Current Assignee: Syngenta Crop Protection Incorporated (China National Chemical Corporation)
• Original Assignee: Syngenta Crop Protection Incorporated (China National Chemical Corporation)
• Inventors: Schlatter, Christian, Ramachandran, Ravi
• Granted Patent: US 7,307,043 B2
• Time in Patent Office: Days
• US Class Current: 504/100
• 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 25/08 containing solids as carriers or diluents
• CPC Class Codes: A01N 25/30 characterised by the surfactants
• CPC Class Codes: A01N 37/46 N-acyl derivatives
• CPC Class Codes: A01N 43/653 1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
• CPC Class Codes: A01N 47/26 Oxidation products of dithiocarbamic acid derivatives, e.g. thiuram sulfides
• CPC Class Codes: A01N 47/32 containing >N—CO—N< or >N—CS—N< groups directly attached to a cycloaliphatic ring
• CPC Class Codes: A01N 47/38 containing the group >N—CO—N< where at least one nitrogen atom is part of a heterocyclic ring; Thio analogues thereof
• CPC Class Codes: A01N 47/40 the carbon atom having a double or triple bond to nitrogen, e.g. cyanates, cyanamides
• CPC Class Codes: A01N 51/00 Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds having the sequences of atoms O—N—S, X—O—S, N—N—S, O—N—N or O-halogen, regardless of the number of bonds each atom has and with no atom of these sequences forming part of a heterocyclic ring

Abstract

An aqueous composition suitable for applying insecticides or acaricides to plant propagation materials comprising water, an insecticidally or acaricidally effective amount of at least one nitroimino- or nitroguanidino-compound in free form or in agrochemically useful salt form and a blend of the following components, by weight: a) 2-10% of a surface-active agent comprising a1) at least one anionic surfactant; b) 4-20% of at least one inorganic solid carrier; and c) 3-25% of at least one antifreeze agent. In one embodiment, the aqueous composition further comprises a fungicidally effective amount of at least one fungicidally active compound. The inventive composition is storage stable, ready-to-apply (RTA), ecologically and toxicologically favorable and has good fungicidal efficacy.

Claims

1. An aqueous composition suitable for applying insecticides to plant propagation materials comprising water, an insecticidally effective amount of at least one nitroimino- or nitroguanidino compound and a blend of the following components, by weight:

a) 2-10% of at least one surface-active agent, comprising a1) at least one anionic surfactant;

b) 4-20% of at least one inorganic solid carrier; and

c) 3-20% of at least one antifreeze agent.

2. A composition according to claim 1 which further comprises a fungicidally effective amount of at least one fungicidally active compound.

3. A composition according to claim 1, wherein the at least one nitroimino- or nitroguanidino compound is a compound of the formula (I)

4. A composition according to claim 3, wherein the at least one nitroimino- or nitroguanidino compound is selected from thiamethoxam, imidacloprid, thiacloprid, clothianidin, nitenpyram and acetamiprid.

5. A composition according to claim 2, wherein the at least one fungicidally active compound comprises at least one fungicide selected from Benomyl (also known as Benlate), Bitertanol, Captan, Carbendazim, Carboxin (also known as Carbathlin), Capropamid, Cymoxanil, Cyprodinil, Difenoconazole, Ethirimol, Fenpiclonil, Fenpropimorph, Fludioxonil, Fluquinconazole, Flutolanil, Flutriafol, Fosetyl-aluminum, Fuberidazole, Guazatine, Hymexanol, Kasugamycin, Imazalil, Imibenconazole, Iminoctadine-triacetate, Ipconazole, Iprodione, Mancozeb, Maneb, Mepronil, Metalaxyl, Metalaxyl-M (Mefenoxam), Metconazole, Metiram, MON 65500 (Silthiopham-ISO proposed), Myclobutanil, Nuarimol, Oxadixyl, Oxine-copper, Oxolinic acid, Pefurazoate, Pencycuron, Prochloraz, Propamocarb hydrochloride, Pyroquilon, Quintozene (also known as PCNB), Silthiopham—

see MON 65500, Tebuconazole, Tecnazene, Tetraconazole, Thiabendazole, Thifluzamide, Thiophenate-methyl, Thiram, Tolclofos-methyl, Triadimenol, Triazoxide, Triflumizole and Triticonazole.

6. A composition according to claim 1, wherein a1) comprises at least one anionic surfactant selected from polyarylphenol polyalkoxyether sulfates and polyarylphenol polyalkoxyether phosphates.

7. A composition according to claim 1 wherein a1) comprises at least one sulphoalkyl amide.

8. A composition according to claim 1 wherein a1) comprises at least one alkylaryl sulfonate.

9. A composition according to claim 1 wherein a1) comprises at least one anionic surfactant selected from sulfated alkyl phenol ethoxylates and phosphated alkyl phenol ethoxylates.

10. A composition according to claim 1 wherein a1) comprises at least one lignin sulphonate.

11. A composition according to claim 1 wherein component a) further comprises a2) at least one nonionic surfactant.

12. A composition according to claim 11 wherein a2) comprises at least one alkyl phenol ethoxylate.

13. A composition according to claim 11 wherein a2) comprises at least one aryl phenol ethoxylate.

14. A composition according to claim 11 wherein a2) comprises at least one alcohol ethoxylate.

15. A composition according to claim 14 wherein the alcohol ethoxylate is a fatty alcohol ethoxylate.

16. A composition according to claim 13 wherein the aryl phenol ethoxylate is a polyaryl phenol ethoxylate.

17. A composition according to claim 16 wherein the polyaryl phenol ethoxylate is an ethoxylated tristyrylphenol.

18. A composition according to claim 1, wherein component b) comprises at least one inorganic solid carrier selected from titanium dioxide, magnesium silicate, aluminum silicate and talc.

19. A composition according to claim 1, wherein component c) comprises at least one antifreeze agent selected from ethylene glycol, propylene glycol and glycerin.

20. Pest-resistant plant propagation material comprising plant propagation material treated with a pesticidally effective amount of a composition according to claim 1.

21. Pest-resistant plant propagation material comprising plant propagation material treated with a pesticidally effective amount of a composition according to claim 2.

22. Plant propagation material according to claim 20, wherein said plant propagation material is a plant seed selected from potatoes, wheat, barley, rye, oats, rice, maize, sugar beet, cotton, sorghum, sun flowers, beans, peas, canola, rape, soybeans, cabbages, tomatoes, eggplants and pepper.

23. Plant propagation material according to claim 21, wherein said plant propagation material is a plant seed selected from potatoes, wheat, barley, rye, oats, rice, maize, sugar beet, cotton, sorghum, sun flowers, beans, peas, canola, rape, soybeans, cabbages, tomatoes, eggplants and pepper.

24. Plant propagation material according to claim 22, wherein said plant propagation material is a transgenic plant seed.

25. Plant propagation material according to claim 23, wherein said plant propagation material is a transgenic plant seed.

26. A method of protecting plant propagation material against against attack by insects and phytopathogenic fungi which comprises treating said plant propagation material with a pesticidally effective amount of a composition according to claim 2.

27. A method according to claim 26, wherein said plant propagation material is a plant seed selected from potatoes, wheat, barley, rye, oats, rice, maize, sugar beet, cotton, sorghum, sun flowers, beans, peas, canola, rape, soybeans, cabbages, tomatoes, eggplants and pepper.

28. A method according to claim 27, wherein said plant propagation material is a transgenic plant seed.

29. A storage and shipping system comprising a container ranging in capacity from about 0.1 liter to about 10 liters substantially filled with an aqueous composition according to claim 1.

30. A storage and shipping system comprising a container ranging in capacity from about 0.1 liter to about 10 liters substantially filled with an aqueous composition according to claim 2.

31. A composition according to claim 5, comprising an insecticidally effective amount of thiamethoxam, a fungicidally effective amount of fludioxonil, mefenoxam and azoxystrobin, and a blend of the following components, by weight:

a) 2-10% of at least one surface active agent selected from tristyrylphenol sulfate, N-methyl-N-oleoyltaurate and salts thereof, phosphate ester of polyalkoxylated alkyl alkylphenol, and lignosulfonic acid and alkoxylated salts thereof;

b) 4-20% of solid inorganic carrier selected from magnesium silicate and aluminum silicate; and

c) 3-20% of glycerine.

32. A composition according to claim 31, comprising an insecticidally effective amount of thiamethoxam, a fungicidally effective amount of fludioxonil, mefenoxam and azoxystrobin, and a blend of the following components, by weight:

a) 2-10% of at least one surface active agent selected from tristyrylphenol sulfate, N-methyl-N-oleoyltaurate and salts thereof, phosphate ester of polyalkoxylated alkyl alkylphenol, and ethoxylated lignosulfonic acid, sodium salt;

b) 4-20% of magnesium silicate; and

c) 3-20% of glycerine.

33. The composition according to claim 5, comprising an insecticidally effective amount of thiamethoxam, a fungicidally effective amount of difenoconazole, flludioxonil and mefenoxam, and a blend of the following components, by weight:

a) 2-10% of at least one surface active agent selected from phosphate ester of polyalkoxylated alkyl alkylphenol, and lignosulfonic acid and alkoxylated salts thereof;

b) 4-20% of solid inorganic carrier selected from clay, natural or synthetic silicates, titanium dioxide, silica, and talc;

c) 3-20% glycerine.

34. The composition according to claim 33, comprising an insecticidally effective amount of thiamethoxam, a fungicidally effective amount of difenoconazole, flludioxonil and mefenoxam, and a blend of the following components, by weight:

a) 2-10% of at least one surface active agent selected from styrylphenol polyethoxyester phosphate;

ethoxylated lignosulfonic acid, sodium salt;

b) 4-20% of titanium dioxide;

c) 3-20% glycerine.

35. The composition according to claim 5, wherein the nitroimino- or nitroguanidino compound is selected from imidacloprid, thiacloprid and clothianidin and the at least one fungicide is selected from thiram, chlorothalonil, carboxin, metalaxyl, and fludioxonil.