CN110999917A - Insecticidal composition containing pyriminostrobin and indoxacarb and preparation method thereof - Google Patents
Insecticidal composition containing pyriminostrobin and indoxacarb and preparation method thereof Download PDFInfo
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- CN110999917A CN110999917A CN201911135114.6A CN201911135114A CN110999917A CN 110999917 A CN110999917 A CN 110999917A CN 201911135114 A CN201911135114 A CN 201911135114A CN 110999917 A CN110999917 A CN 110999917A
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- indoxacarb
- polyoxyethylene ether
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/38—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< where at least one nitrogen atom is part of a heterocyclic ring; Thio analogues thereof
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having no bond to a nitrogen atom
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- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
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Abstract
The invention belongs to the field of insecticides, and particularly relates to an insecticidal composition containing pyrimethanil and indoxacarb. The invention has the beneficial effects that: 1. the indoxacarb is a voltage-gated sodium channel blocking agent in insect nerve cells, and blocks nerve impulse conduction in an insect body; the pyriminostrobin is a mitochondrial electron transfer inhibitor, can inhibit the generation of ATP in organisms, indirectly inhibits the transmembrane transport of sodium ion channels of nerve cells to ions, and indirectly inhibits the nerve impulse transfer of insects, thereby forming a synergistic effect with indoxacarb. The invention is composed of active ingredients with different action mechanisms, has more action sites, is beneficial to delaying the generation of drug resistance of pests and enlarges the insecticidal spectrum. 2. The insecticidal composition provided by the invention has the advantages of obviously improved efficacy, prolonged duration, reduced field dosage of active ingredients, reduced production and use costs, and reduced pollution of pesticide residues to the environment.
Description
Technical Field
The invention belongs to the field of insecticides, and particularly relates to an insecticidal composition containing pyrimethanil and indoxacarb and a preparation method thereof.
Background
The pyriminostrobin (flufenarim) is a novel pyrimidine pesticide produced by the Ministry of Japan and developed by Sumitomo chemistry. Has better control effect on diamond back moth, brown planthopper, leafhopper, two-spotted spider mite and southern root-knot nematode. The mechanism of action is an inhibitor of mitochondrial electron transport.
Indoxacarb (indoxacarb) is a novel oxadiazine pesticide and acts on a sodium ion channel in nerve cells of pests. Indoxacarb is a safe, low-risk and environment-friendly pesticide, is a voltage-gated sodium channel blocking agent in insect nerve cells, and can be decomposed into compounds with higher activity in the bodies of drug-receiving insects. Indoxacarb has a wide insecticidal spectrum, and can effectively control lepidoptera pests, leafhoppers, lygus bugs, weevil pests and the like which harm crops such as corns, soybeans, vegetables, fruits, cotton and the like. Oxadiazine insecticides have multiple effects on sodium channels, neuronal nAchRs and GABA receptors, wherein the sodium channels are the main targets of indoxacarb and its in vivo hydrolyzed iv-N demethoxycarbonyl metabolite DCJW. DCJW can inhibit voltage-gated sodium channels of insect nerve cells, block nerve impulse conduction in insect bodies, so that the nerve impulse transmission of insects is inhibited, feeding organs of the insects are paralyzed and can not feed, and finally the insects die due to the fact that energy supply is unavailable, and the insects are stiff and dead.
In the actual process of agricultural production, the application of chemical agents is the most effective means for controlling plant pests, but the most easily generated problem for controlling pests by chemical is the generation of drug resistance of pests. Moreover, a series of problems such as medicament residue, environmental pollution and the like are easily caused by long-term continuous high-dose application of a single chemical insecticide, and reasonable compounding or mixing of the chemical insecticides has the positive characteristics of expanding the insecticidal spectrum, improving the control effect, prolonging the application suitable period, reducing the dosage, reducing the phytotoxicity, reducing the residue, delaying the occurrence and development of the drug resistance and the drug resistance of pests and the like.
Disclosure of Invention
In order to solve the problems, the invention provides an insecticidal composition comprising pyrimethanil and indoxacarb, which has the advantages of wide insecticidal spectrum, small dosage and low cost, and has obvious synergistic effect compared with the single dose of pyrimethanil and indoxacarb.
The invention provides the following technical scheme:
an insecticidal composition comprising pyrimethanil and indoxacarb comprises effective ingredients, wherein the effective ingredients comprise pyrimethanil and indoxacarb.
Preferably, the weight ratio of the pyrimethanil to the indoxacarb is 1: (0.5-6).
Preferably, the weight ratio of the pyrimethanil to the indoxacarb is 1: 1.
preferably, the insecticidal composition further comprises auxiliary components, and the weight of the effective components is 1% -70% of the weight of the insecticidal composition.
Preferably, the auxiliary components comprise a carrier and an auxiliary agent;
the carrier is selected from any one or more of water, solvent and filler;
the auxiliary agent comprises a surfactant;
preferably, the auxiliary agent further comprises any one or more of an antifreezing agent, a thickening agent, a stabilizing agent, a disintegrating agent and an antifoaming agent.
Preferably, the solvent and any one or more selected from the group consisting of N, N-dimethylformamide, cyclohexanone, toluene, xylene, dimethyl sulfoxide, methanol, ethanol, trimethylcyclohexanone, N-octylpyrrolidone, ethanolamine, triethanolamine, isopropylamine, N-methylpyrrolidone, propanol, butanol, ethylene glycol, diethylene glycol, ethylene glycol methyl ether, butyl ether, ethanolamine, isopropylamine, ethyl acetate, acetonitrile;
the filler is selected from one or more of kaolin, diatomite, bentonite, attapulgite, white carbon black, starch and light calcium carbonate.
Preferably, the surfactant is selected from any one or more of an emulsifier, a dispersant, a wetting agent or a penetrant;
the emulsifier is selected from any one or more of octyl phenol polyoxyethylene ether phosphate, phenyl phenol polyoxyethylene ether phosphate, styrene polyoxyethylene ether ammonium sulfate, magnesium salts of alkyl diphenyl ether disulfonate, triethanolamine salts, benzyl dimethyl phenol polyoxyethylene ether, alkylphenol formaldehyde resin polyoxyethylene ether, phenethylphenol polyoxyethylene polypropylene ether, ethylene oxide-propylene oxide block copolymer, octyl phenol polyoxyethylene ether, castor oil polyoxyethylene ether, alkylaryl polyoxyethylene polyoxypropylene ether, sorbitan monostearate, sorbitan fatty ester polyoxyethylene ether and fatty alcohol polyoxyethylene ether;
the dispersing agent is selected from one or more of polycarboxylate, lignosulfonate, alkylphenol polyoxyethylene ether formaldehyde condensate sulfate, calcium alkylbenzene sulfonate, naphthalene sulfonic acid formaldehyde condensate sodium salt, alkylphenol polyoxyethylene ether, fatty amine polyoxyethylene ether, fatty acid polyoxyethylene ether and glycerin fatty acid ester polyoxyethylene ether;
the wetting agent is selected from one or more of sodium dodecyl sulfate, sodium dodecyl benzene sulfonate, nekal BX, wetting penetrant F, saponin powder, silkworm excrement and soapberry powder;
the penetrating agent is selected from one or more of fatty alcohol-polyoxyethylene ether, diisooctyl maleate sulfonate, azone and organic silicon;
the antifreezing agent is selected from any one or more of ethylene glycol, propylene glycol, glycerol and urea;
the thickening agent is selected from any one or more of gelatin, sodium carboxymethylcellulose, hydroxyethyl cellulose, sodium polyacrylate, modified starch, xanthan gum, bentonite, silicon dioxide and magnesium aluminum silicate;
the stabilizer is selected from one or more of epoxidized soybean oil, epichlorohydrin, 2, 6-di-tert-butyl-p-cresol, ethyl acetate or triphenyl phosphate;
the disintegrating agent is selected from one or more of bentonite, urea, ammonium sulfate, aluminum chloride, low-substituted hydroxypropyl cellulose, lactose, citric acid, succinic acid and sodium bicarbonate;
the defoaming agent is any one or more of silicone oil, silicone compounds, C10-C20 saturated fatty acid compounds and C8-C10 fatty alcohol compounds.
Preferably, the pesticide composition comprises, by weight, pyriminostrobin 10%, indoxacarb 10%, octyl phenol polyoxyethylene ether phosphate 2%, polycarboxylate 5%, xanthan gum 0.15%, magnesium aluminum silicate 1.5%, ethylene glycol 5%, silicone compounds 0.1%, and the balance of water.
The invention also provides a preparation method of the insecticidal composition, which comprises the steps of sequentially placing the pyriminostrobin, the indoxacarb, the octyl phenol polyoxyethylene ether phosphate, the polycarboxylate, the xanthan gum, the magnesium aluminum silicate, the glycol and the silicone compound in a reaction kettle according to the proportion, adding water, uniformly mixing, shearing for 10-15min under the condition of the rotating speed of 2500-3000rpm, and sanding by a wet method until D is ground to be D902-4 mu m, and filtering the mixture by a sieve with 350 meshes of 300-
The invention has the beneficial effects that:
1. the indoxacarb is a voltage-gated sodium channel blocking agent in insect nerve cells, and blocks nerve impulse conduction in an insect body; the pyriminostrobin is a mitochondrial electron transfer inhibitor, can inhibit the generation of ATP in organisms, indirectly inhibits the transmembrane transport of sodium ion channels of nerve cells to ions, and indirectly inhibits the nerve impulse transfer of insects, thereby forming a synergistic effect with indoxacarb. The invention is composed of active ingredients with different action mechanisms, has more action sites, is beneficial to delaying the generation of drug resistance of pests and enlarges the insecticidal spectrum.
2. The insecticidal composition provided by the invention has the advantages of obviously improved efficacy, prolonged duration, reduced field dosage of active ingredients, reduced production and use costs, and reduced pollution of pesticide residues to the environment.
3. The pesticide composition is safe to human and livestock and has good environmental compatibility.
4. The pesticide composition has low cost and simple preparation process, and is suitable for large-area popularization and use.
5. When the pyrimethanil and the indoxacarb are mixed in a ratio of 1: when the compound of the proportion of 1 is used for preventing and treating beet noctuids, the quick action is good, the lasting period is long, the preventing and treating effect is good, the preventing and treating effect reaches 78.05% 1 day after the application, reaches 94.16% 3 days after the application, and reaches 98.42% 7 days after the application.
Detailed Description
The present invention will be described in detail with reference to the following examples.
Example 1: (40% pyrimethanil indoxacarb wettable powder)
An insecticide composition comprises, by weight, 26.6% of pyriminostrobin, 13.3% of indoxacarb, 5% of wetting agent sodium dodecyl sulfate, 8% of calcium lignosulphonate, 15% of white carbon black and the balance of kaolin.
Preparation of example 1: adding the effective components of the pyrimethanil and the indoxacarb into the kaolin according to the formula proportion, then adding the wetting agents of sodium dodecyl sulfate, calcium lignosulfonate and white carbon black, mixing, and carrying out airflow grinding to obtain D90Less than 20 microns, and mixing to obtain wettable powder.
Example 2: (25% Imidacloprid indoxacarb aqueous suspension)
An insecticide composition comprises, by weight, 12.5% of pyriminostrobin, 12.5% of indoxacarb, 2% of octyl phenol polyoxyethylene ether phosphate, 6% of polycarboxylate, 0.1% of xanthan gum, 1% of magnesium aluminum silicate, 5% of ethylene glycol, 0.2% of silicone compound and the balance of water.
Example 3: (30% indoxacarb-pyriminostrobin aqueous suspension concentrate)
An insecticide composition comprises, by weight, pyriminostrobin 10%, indoxacarb 20%, octyl phenol polyoxyethylene ether phosphate 2%, polycarboxylate 5%, xanthan gum 0.15%, magnesium aluminum silicate 1.5%, ethylene glycol 5%, silicone compounds 0.1%, and the balance of water.
Preparation of examples 2, 3: according to the formula proportion, the effective components of the pyriminostrobin, indoxacarb, octyl phenol polyoxyethylene ether phosphate, polycarboxylate, xanthan gum, magnesium aluminum silicate, glycol and silicone compound are sequentially placed in a reaction kettle, water is added for uniform mixing, the mixture is sheared for 10-15min under the condition of rotating speed of 3000rpm, and the mixture is ground by a wet method until D90About 3 mu m, and filtering the mixture by a 325-mesh test sieve to obtain the insecticidal composition.
Example 4: (40% Imidacloprid indoxacarb water dispersible granule)
An insecticide composition comprises, by weight, pyriminostrobin 10%, indoxacarb 30%, sodium dodecylbenzenesulfonate 3%, alkyl naphthalene sulfonate formaldehyde condensate 8%, and the balance of attapulgite.
Example 5: (50% Imidacloprid indoxacarb water dispersible granules)
An insecticide composition comprises, by weight, pyriminostrobin 10%, indoxacarb 40%, sodium dodecylbenzenesulfonate 3%, alkyl naphthalene sulfonate formaldehyde condensate 7%, and the balance of attapulgite.
Preparation of examples 4, 5: according to the formula proportion, the effective components of the pyrimethanil and the indoxacarb are added into the attapulgite, then the sodium dodecyl benzene sulfonate and the alkyl naphthalene sulfonate formaldehyde condensate are added, mixed and crushed by air flow to D90And (3) adding 10-25% of water into the granules with the particle size less than 15 microns, kneading, granulating, drying and screening to obtain the water dispersible granule product.
Example 6: (15% indoxacarb-pyriminostrobin water emulsion)
An insecticide composition comprises, by weight, 2.5% of pyriminostrobin, 12.5% of indoxacarb, 2% of octylphenol polyoxyethylene ether, 2% of castor oil polyoxyethylene ether, 2% of phenyl phenol polyoxyethylene ether phosphate, 25% of cyclohexanone, 10% of N-octyl pyrrolidone, 0.1% of xanthan gum, 5% of ethylene glycol, 0.2% of silicone compound and the balance of water.
Example 7: (7.5% indoxacarb-pyriminostrobin aqueous emulsion)
An insecticide composition comprises, by weight, 1.07% of pyriminostrobin, 6.43% of indoxacarb, 2% of octylphenol polyoxyethylene ether, 2% of castor oil polyoxyethylene ether, 2% of phenyl phenol polyoxyethylene ether phosphate, 15% of cyclohexanone, 5% of N-octyl pyrrolidone, 0.1% of xanthan gum, 5% of ethylene glycol, 0.2% of silicone compound and the balance of water.
Preparation of examples 6, 7: mixing the effective components, polyoxyethylene octylphenol ether, polyoxyethylene castor oil ether, and polyoxyethylene phenylphenol phosphoric acid at a certain proportionDissolving ester, cyclohexanone and N-octyl pyrrolidone into an oil phase, and uniformly mixing water, xanthan gum, ethylene glycol and a silicone compound to obtain a water phase; adding the oil phase into the water phase while shearing at high speed in the reaction kettle, and shearing at the rotating speed of 5000rpm for 20min to D90Less than 1 micron, and forms stable oil-in-water emulsion in water.
Field experiment for preventing and controlling beet armyworm
1.1.1 test methods
The test was carried out in a vegetable plantation in a chat city in Shandong province. The water spray was routinely carried out at each treatment design concentration. The pesticide applying apparatus is WF-16 type knapsack hand sprayer with single fan-shaped spray head, working pressure of 0.2-0.4MPa and spray amount of 0.36-0.48L/min, and is used for conventional spraying. When the pesticide is applied, the peak period of the field beet armyworm larvae is 1-2 instars.
During the test, the weather is good, clear and breeze, and the temperature is 18.5-27.4 ℃.
1.1.2 investigation method
Before application, sampling is carried out on each cell according to 5 points of a diagonal line, and 2-3 cabbage plants (according to insect population density) with beet armyworm eggs and larvae are selected at each point. And counting the number of heads of the beet armyworm larvae on the calibrated strains, wherein the number is used as the population base number before pesticide application. The number of the beet armyworm larvae which remain and survive on the fixed-point plant is respectively checked at 1 st, 3 rd and 7 th days after the application of the pesticide, and the population decline rate is corrected to be used as the control effect.
1.1.3 method of calculating drug efficacy
Percent reduction rate (%) of population ═ number of predatory larvae-number of postemergent larvae)/number of predatory larvae × 100
Control effect (%) (treatment area oral cavity decline rate-control oral cavity decline rate)/(100-control area oral cavity decline rate) × 100.
1.1.4 phytotoxicity investigation method
The growth of the cabbage was observed at 3, 7, 14 and 21 days after the application, and the agent was visually observed to have no phytotoxicity to the cabbage.
1.1.5 field drug effect test results
And the data processing adopts DPS software and DMRT (Duncan New re-range error method) to carry out significance determination and evaluate the control effect.
TABLE 1 results of field efficacy test of treatment agents for controlling beet armyworm
Note: the same column of data is followed by a different letter indicating a significant difference at the P0.05 level.
As can be seen from the data in table 1, after different formulations are compounded, the control effect of the mixed preparation (examples 1 to 7) on beet armyworm is obviously better than that of the control medicament 1 (20% of pyrimethanil SC) and the control medicament 2 (15% of indoxacarb SC), and the significant difference exists between the examples 1 to 7 and the control medicaments 1 and 2, which indicates that the two effective components of pyrimethanil and indoxacarb have obvious synergistic effect after being compounded according to a certain proportion. In particular, in example 2, the ratio of pyrimethanil and indoxacarb was 1: the 1 proportion of the composition is used for preventing and treating beet armyworm, the pesticide effect is quick, the lasting period is long, the prevention and treatment effect is good, the prevention and treatment effect reaches 78.05% in 1 day after the pesticide is applied, reaches 94.16% in 4 days after the pesticide is applied and reaches 98.42% in 7 days after the pesticide is applied, which is probably related to the action mechanism of two effective components, and indoxacarb is a voltage-gated sodium channel blocking agent in insect nerve cells and blocks nerve impulse conduction in insect bodies; the pyriminostrobin is a mitochondrial electron transfer inhibitor, can inhibit the generation of ATP in organisms, indirectly inhibits the transmembrane transport of sodium ion channels of nerve cells to ions, indirectly inhibits the nerve impulse transfer of insects, and forms remarkable synergistic effect when the pyriminostrobin and the indoxacarb are compounded and applied in proper dosage and proportion, particularly the synergistic effect is most remarkable when the pyriminostrobin and the indoxacarb are compounded in a ratio of 1: 1.
According to experimental observation, the pesticide treatment does not generate phytotoxicity on the cabbages. Has important significance for improving the quality and increasing the yield of the cabbages and has stronger popularization and use values.
Through the indoor activity determination and the field efficacy test, the compounded pyriminostrobin and indoxacarb can reduce the respective dosage, delay the generation of drug resistance of pests, is safe and environment-friendly, is safe to crops under the test dosage, and does not influence the growth. The pyrimethanil and the indoxacarb are ideal combination of compound medicaments. Compared with a single agent, the insecticidal composition has the advantages of less dosage, quick response and capability of delaying the generation of drug resistance of pests, and the research, development and popularization of the insecticidal composition have important significance for farmers to become rich and the protection of local ecological environment.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An insecticidal composition comprising pyrimethanil and indoxacarb, which is characterized by comprising effective ingredients, wherein the effective ingredients comprise pyrimethanil and indoxacarb.
2. An insecticidal composition according to claim 1, wherein the weight ratio of pyrimethanil to indoxacarb is 1: (0.5-6).
3. An insecticidal composition according to claim 1, wherein the weight ratio of pyrimethanil to indoxacarb is 1: 1.
4. an insecticidal composition according to claim 1 comprising pyriminostrobin and indoxacarb, wherein the insecticidal composition further comprises auxiliary ingredients, and the weight of the active ingredients is 1-70% of the weight of the insecticidal composition.
5. An insecticidal composition comprising pyrimethanil and indoxacarb according to claim 1, wherein the auxiliary ingredients comprise a carrier and an adjuvant;
the carrier is selected from any one or more of water, solvent and filler;
the adjuvant comprises a surfactant.
6. An insecticidal composition comprising pyrimethanil and indoxacarb according to claim 5, wherein the adjuvant further comprises any one or more of an antifreeze agent, a thickener, a stabilizer, a disintegrant, an antifoaming agent.
7. An insecticidal composition comprising pyrimethanil and indoxacarb according to claim 6, characterized in that the solvent is selected from any one or more of N, N-dimethylformamide, cyclohexanone, toluene, xylene, dimethyl sulfoxide, methanol, ethanol, trimethylcyclohexanone, N-octylpyrrolidone, ethanolamine, triethanolamine, isopropylamine, N-methylpyrrolidone, propanol, butanol, ethylene glycol, diethylene glycol, ethylene glycol methyl ether, butyl ether, ethanolamine, isopropylamine, ethyl acetate, acetonitrile;
the filler is selected from one or more of kaolin, diatomite, bentonite, attapulgite, white carbon black, starch and light calcium carbonate.
8. An insecticidal composition according to claim 6 wherein said surfactant is selected from any one or more of an emulsifier, a dispersant, a wetting agent or a penetrant;
the emulsifier is selected from any one or more of octyl phenol polyoxyethylene ether phosphate, phenyl phenol polyoxyethylene ether phosphate, styrene polyoxyethylene ether ammonium sulfate, magnesium salts of alkyl diphenyl ether disulfonate, triethanolamine salts, benzyl dimethyl phenol polyoxyethylene ether, alkylphenol formaldehyde resin polyoxyethylene ether, phenethylphenol polyoxyethylene polypropylene ether, ethylene oxide-propylene oxide block copolymer, octyl phenol polyoxyethylene ether, castor oil polyoxyethylene ether, alkylaryl polyoxyethylene polyoxypropylene ether, sorbitan monostearate, sorbitan fatty ester polyoxyethylene ether and fatty alcohol polyoxyethylene ether;
the dispersing agent is selected from one or more of polycarboxylate, lignosulfonate, alkylphenol polyoxyethylene ether formaldehyde condensate sulfate, calcium alkylbenzene sulfonate, naphthalene sulfonic acid formaldehyde condensate sodium salt, alkylphenol polyoxyethylene ether, fatty amine polyoxyethylene ether, fatty acid polyoxyethylene ether and glycerin fatty acid ester polyoxyethylene ether;
the wetting agent is selected from one or more of sodium dodecyl sulfate, sodium dodecyl benzene sulfonate, nekal BX, wetting penetrant F, saponin powder, silkworm excrement and soapberry powder;
the penetrating agent is selected from one or more of fatty alcohol-polyoxyethylene ether, diisooctyl maleate sulfonate, azone and organic silicon;
the antifreezing agent is selected from any one or more of ethylene glycol, propylene glycol, glycerol and urea;
the thickening agent is selected from any one or more of gelatin, sodium carboxymethylcellulose, hydroxyethyl cellulose, sodium polyacrylate, modified starch, xanthan gum, bentonite, silicon dioxide and magnesium aluminum silicate;
the stabilizer is selected from one or more of epoxidized soybean oil, epichlorohydrin, 2, 6-di-tert-butyl-p-cresol, ethyl acetate or triphenyl phosphate;
the disintegrating agent is selected from one or more of bentonite, urea, ammonium sulfate, aluminum chloride, low-substituted hydroxypropyl cellulose, lactose, citric acid, succinic acid and sodium bicarbonate;
the defoaming agent is any one or more of silicone oil, silicone compounds, C10-C20 saturated fatty acid compounds and C8-C10 fatty alcohol compounds.
9. An insecticidal composition comprising pyrimethanil and indoxacarb according to claim 8, characterized in that it comprises, in weight percent, pyrimethanil 10%, indoxacarb 10%, octyl phenol polyoxyethylene ether phosphate 2%, polycarboxylate 5%, xanthan gum 0.15%, magnesium aluminium silicate 1.5%, ethylene glycol 5%, silicone compounds 0.1%, and balance water.
10. A process for preparing the insecticide composition as claimed in claim 9, wherein the pyriminostrobin, indoxacarb, polyoxyethylene octylphenol ether phosphate, polycarboxylate, xanthan gum, magnesium aluminium silicate, glycol and silicone compound are sequentially put in a reaction kettle according to the proportion, water is added to mix uniformly, the mixture is sheared for 10-15min under the condition of 2500-3000rpm, and the mixture is ground to D by wet method90Is 2-4 mu m and is filtered by a sieve with 350 meshes of 300 and 300 meshes to obtain the insecticidal composition.
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