RU2001118825A - Insecticidal coating for seeds - Google Patents

Claims (26)

1. An insecticidal coating for a seed, comprising a) one or more binders selected from the group consisting of polymers and copolymers of polyvinyl acetate, methyl cellulose, polyvinyl alcohol, vinylidene chloride, acrylic, cellulose, polyvinyl pyrrolidone and polysaccharide; b) an insecticidally effective amount of an insecticide to combat representatives of the river. Diabrotica or their larvae; and c) one or more fillers, characterized in that the binder forms a matrix for the insecticide and filler and is present in an amount effective to prevent or reduce the phytotoxic effect of the seed caused by the insecticide. 2. The coating according to claim 1, including an additional film coating. 3. The coating according to claim 1, where the seed is selected from the group comprising seeds of soybean, sugar beet, corn, sunflower, alfalfa, sorghum, rapeseed and tobacco. 4. The coating according to claim 3, where the seed is a seed of corn. 5. The coating according to claim 1, where the filler is a filler with absorbent properties selected from the group comprising diatomaceous earth, perlite, silicon dioxide, calcium carbonates and mixtures thereof. 6. Seed coated according to claim 1. 7. The coating according to claim 1, wherein the insecticide is imidacloprid, an imidacloprid analogue, an organophosphorus compound, phenylpyrazole or pyrethroid, or mixtures thereof. 8. The coating according to claim 7, where the insecticide is a compound of General formula (I)

where A denotes an unsubstituted or substituted by 1-4 substituents aromatic or non-aromatic monocyclic or bicyclic heterocyclic radicals, in which 1-2 of substituents A can be selected from the group consisting of haloC ₁ -C ₃ alkyl, cyclopropyl, halocylpropyl, C ₂ -C ₃ alkenyl, C ₂ -C ₃ alkynyl, haloC ₂ -C ₃ alkenyl, haloC ₂ -C ₃ alkynyl, haloC ₁ -C ₃ alkoxy, C ₁ -C ₃ alkylthio, haloC ₁ -C ₃ alkylthio, allyloxy, propargyloxy, allylthio, propargylthio, haloallyloxy, haloallylthio, cyano and nitro, and 1-4 of substituents A may be selected from the groups s, including C ₁ -C ₃ alkyl, C ₁ -C ₃ alkoxy and halogen; R is hydrogen, C ₁ -C ₆ alkyl, phenylC ₁ -C ₄ alkyl, C ₃ -C ₆ cycloalkyl, C ₂ -C ₆ alkenyl or C ₂ -C ₆ alkynyl; and X denotes N-NO2 or N-CN, or its tautomer, if possible, in each case in free form or in the form of a salt, terbufos, chlorpyrifos, fipronil, teflutrin, chloroethoxyphos or tebupirimphos, or mixtures thereof. 9. The coating of claim 8, wherein the insecticide is a compound of formula II

and optionally teflutrin. 10. The seed of claim 6, which is coated, further comprising a fungicide. 11. The coating according to claim 1, further comprising a plasticizer. 12. The coating of claim 1, further comprising a bird repellent. 13. The coating according to claim 1, in which the filler is a mixture of diatomaceous earth and silicon dioxide. 14. The coating of claim 1, wherein the binder is present in an amount of 0.01 to 15% based on the weight of the seed, the filler is present in an amount of 0.01 to 50% based on the weight of the seed, and the insecticide is present in an amount from 0.005 to 50%, calculated on the weight of the seed. 15. Insecticidal coating for corn seed, comprising a binder in an amount of from about 0.01 to about 15% based on the weight of the seed, wherein the binder is a copolymer or polymer of vinyl acetate and ethylene or a copolymer of vinylidene chloride, a filler in an amount of from about 0 , 01 to about 50%, based on the weight of the seed, the filler being a mixture of diatomaceous earth and silicon dioxide, and an insecticidally effective amount of a compound having activity against the long-flea flea or its larvae, selected from the group of compounds including compounds of formula II, imidacloprid, teflutrin and mixtures thereof, and which is present in an amount of from about 0.005 to about 50%, based on the weight of the seed. 16. A method of combating insect pests that damage crops, comprising applying an insecticidal coating to a seed according to claim 1. 17. A method of combating insect pests that damage crops, comprising applying an insecticidal coating to a seed according to claim 7. 18. The method according to p. 16, where the seed is a seed of corn. 19. The method according to p. 16, where the insect is an insect from p. Diabrotica. 20. The method according to p. 16, where the insect is a long-nosed flea. 21. A method for producing coated seeds, comprising: a) mixing a binder selected from the group comprising copolymers or polymers of vinyl acetate and ethylene or copolymers of vinylidene chloride or a mixture thereof and a carrier selected from the group comprising diatomaceous earth, perlite, silicon dioxide calcium carbonates and mixtures thereof, and an insecticide selected from the group consisting of terbufos, chlorpyrifos, teflutrin, fipronil or tebupirimfos; b) applying the mixture to the seed; c) spontaneous drying of the mixture on the seed; and d) applying an additional film coating to the seed. 22. Seed coated according to the method of claim 21. 23. A method of protecting germinating seedlings of a cultivated plant from one or more insect pests in the soil area surrounding the germinating seeds, comprising applying an insecticidally effective amount of coating to the seeds of the cultivated plant according to claim 1. 24. The method of claim 23, wherein the crop is corn. 25. The method according to p. 23, where the insect is an insect from p. Diabrotica. 26. The method of claim 25, wherein the insect is a long-nosed flea.