CN114946871A - Pesticide composition and application thereof - Google Patents

Pesticide composition and application thereof Download PDF

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Publication number
CN114946871A
CN114946871A CN202110912789.8A CN202110912789A CN114946871A CN 114946871 A CN114946871 A CN 114946871A CN 202110912789 A CN202110912789 A CN 202110912789A CN 114946871 A CN114946871 A CN 114946871A
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optionally
composition
spirotetramat
fenthion
agent
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CN202110912789.8A
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CN114946871B (en
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廖明玮
李次平
叶宇平
杨建江
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Foshan Yinghui Crop Science Co Ltd
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Foshan Yinghui Crop Science Co Ltd
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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
    • A01N47/06—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 containing —O—CO—O— groups; Thio analogues thereof
    • 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
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
    • A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
    • 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
    • A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
    • A01N57/10—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds
    • A01N57/14—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds containing aromatic radicals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • Plant Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Agronomy & Crop Science (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Toxicology (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The embodiment of the invention relates to a pesticide composition and application thereof, and relates to the field of pesticides, which is characterized in that active ingredients comprise fenthion and spirotetramat, wherein the weight ratio of the fenthion to the spirotetramat is 99:1-1:99, optionally 10:1-1:1, optionally 6:1-2:1, optionally 6:1-4:1, optionally 5:1-4:1, optionally 4: 1. The composition is suitable for preventing and treating pests of beans, mangoes, melons and the like, such as thrips, aphids and psyllids, and is particularly suitable for preventing and treating mango thrips. The two pesticide active components have synergistic effect, and can reduce the total application amount, thereby being more efficient and environment-friendly.

Description

Pesticide composition and application thereof
Technical Field
The invention relates to the field of pesticides, and particularly relates to a pesticide composition and application thereof.
Background
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Suspoemulsion (SE) is a stable suspoemulsion system formed by uniformly dispersing at least two water-insoluble active ingredients in the forms of solid particles and fine liquid beads respectively by using various auxiliary agents under the condition that water is used as a continuous phase, namely, a preparation form which is emulsified and suspended in water and mainly comprises a water-insoluble oil phase substance and a solid phase substance. Suspoemulsions have the dual advantages of suspending agents and aqueous emulsions. Water replaces a large amount of organic solvent as a carrier, so that the use safety of the product is improved, and the chemical injury after application is greatly reduced; the liquid suspension emulsion can be well dispersed in water and can be directly prepared into spray liquid for use; is an excellent, safe and environment-friendly pesticide water-based preparation. In addition, the suspending emulsion is composed of a plurality of effective active ingredients, and has the advantages of expanding the prevention and treatment spectrum, avoiding the incompatibility of barrel mixing, improving the efficiency and the like. Therefore, the development, production and use of the suspoemulsion products are necessary, so as to achieve the purpose of efficiently and safely preventing and treating agricultural pests.
A fenthion cholinesterase inhibitor is a broad-spectrum and quick-acting pesticide with contact poisoning, stomach poisoning and fumigating effects. Strong permeability, stable hydrolysis, low volatility, long lasting period and certain systemic effect. Is suitable for preventing and treating various pests on rice, cotton, fruit trees, vegetables and soybeans, and is also effective on mites. Oxidized into sulfoxide and sulfone in plant body, and has high pesticidal activity.
The spirotetramat is a novel tetronic acid derivative pesticide, and has a wide insecticidal spectrum and a long lasting period. It causes death of larvae by interfering with fat biosynthesis in insects, reducing the reproductive capacity of adults. Due to the unique action mechanism, the insecticidal composition can effectively prevent and control pests which have resistance to the existing insecticides, and can be used as an important variety for resistance management of the nicotine insecticides. Spirotetramat is the only modern pesticide with up to now two-way absorption and conduction performance in xylem and phloem. The compound can move up and down in the whole plant body to reach the leaf surface and bark, thereby preventing and controlling pests hidden on the inner leaves of lettuce and Chinese cabbage and on the bark of fruit trees. This unique systemic property protects the young shoots, leaves and roots from the growth of eggs and larvae of pests. The two-way systemic conductivity means that pests do not have safe and concealable places, and the prevention and treatment effect is more thorough.
Disclosure of Invention
Object of the Invention
The invention aims to provide a pesticide composition and application thereof, and solves the problem that the conventional pesticide is difficult to comprehensively control the plant diseases and insect pests of crops in an efficient and environment-friendly manner.
Solution scheme
In order to achieve the purpose, the embodiment of the invention provides a pesticide composition, active ingredients comprise fenthion and spirotetramat, and the weight ratio of the fenthion to the spirotetramat is 99:1-1: 99.
Further, the weight ratio of fenthion to spirotetramat is 10:1 to 1:1, alternatively 6:1 to 2:1, alternatively 6:1 to 4:1, alternatively 5:1 to 4:1, alternatively 4: 1.
Further, the content of the active ingredient accounts for 10% to 80%, optionally 35% to 60%, optionally 50%, and the balance of the auxiliary agent, based on the total amount of the composition.
Further, the auxiliary agent is any one or more of a dispersing agent, an emulsifying agent, an antifreezing agent, a thickening agent, a preservative, a defoaming agent, a solvent, a wetting agent, a disintegrating agent, water and a filler.
Furthermore, the pesticide composition is in the form of suspending agent, aqueous emulsion, microemulsion, missible oil, wettable powder, microcapsule suspending agent, water dispersible granule, soluble powder, soluble granule or suspoemulsion.
Further, the pesticide composition is in the form of a suspoemulsion, and optionally, the auxiliary agents comprise medium oil, wetting and dispersing agents, emulsifying agents, thickening agents, anti-freezing agents, stabilizing agents, antifoaming agents, preservatives and water.
Further, the mass fractions of the auxiliary agents in the composition are respectively as follows: 0.5-20% of medium oil, 3-15% of wetting dispersant, 1-10% of emulsifier, 0.1-3% of thickener, 1-5% of antifreeze, 0.1-10% of stabilizer, 0.1-2% of defoamer, 0.1-1.5% of preservative and water which is complemented to 100%.
Further, the mass fractions of the auxiliary agents in the composition are respectively as follows: 1-13% of medium oil, 8-15% of wetting dispersant, 3-10% of emulsifier, 0.1-0.2% of thickening agent, 4-5% of antifreeze agent, 2-5% of stabilizer, 0.1-0.2% of defoamer, 0.1-1.5% of preservative, and water which is added to 100%.
Further, the medium oil is selected from vegetable oil, mineral oil and/or paraffin oil.
Further, the wetting dispersant is selected from one or more of sodium dodecyl benzene sulfonate, nekal, dodecyl polyoxyethylene ether phosphate, nonylphenol polyoxyethylene ether, potassium oleate, sodium lignosulfonate, sodium laureth sulfate and alkyl naphthalene formaldehyde condensate sulfonate.
Further, the emulsifier is selected from one or more of macromolecule EO-PO block copolymer, NP series nonylphenol polyoxyethylene ether, alkylphenol polyoxyethylene polyether and sulfate or phosphate thereof, AEO series fatty alcohol polyoxyethylene ether, nonylphenol polyoxyethylene ether phosphate, alkylphenol polyoxyethylene ether formaldehyde condensate sulfate phosphate, styrene phenol formaldehyde resin polyoxyethylene ether phosphate, styrene phenol polyoxyethylene polyoxypropylene ether, sodium lignosulfonate, span series and Tween series.
Further, the thickening agent is one or more selected from xanthan gum, Arabic gum, carboxymethyl cellulose, hydroxymethyl cellulose, hydroxyethyl cellulose, methyl cellulose and polyvinyl alcohol.
Further, the antifreeze agent is selected from one or more of ethylene glycol, glycerol, propylene glycol, polyethylene glycol and sorbitol or urea.
Further, the stabilizer is selected from one or more of epoxidized soybean oil, linseed oil, citric acid and sodium sorbate.
Furthermore, the defoaming agent is selected from one or more of organic silicon defoaming agent, C8-C10 fatty alcohol compound or II-ethyl alcohol.
Further, the preservative is selected from one or more of sodium benzoate, benzoic acid and sodium diacetate.
Preferably, the pesticide composition contains the following raw materials in percentage by mass: 30-50% of fenthion, 5-10% of spirotetramat, 1-13% of dielectric oil, 8-15% of wetting dispersant, 3-10% of emulsifier, 0.1-0.2% of thickener, 4-5% of antifreeze, 2-5% of stabilizer, 0.1-0.2% of defoaming agent, 0.1-1.5% of preservative and water which are added to 100%.
A preferred embodiment is: the pesticide composition contains the following raw materials in percentage by mass: 40% of fenthion, 10% of spirotetramat, 5% of mineral oil, 10% of sodium dodecyl benzene sulfonate, 5% of EO-PO block copolymer, 4% of propylene glycol, 0.1% of hydroxyethyl cellulose, 0.5% of benzoic acid, 0.1% of organic silicon, 2% of linseed oil and deionized water added to 100%.
On the other hand, the preparation method of the pesticide composition is provided, wherein fenthion and spirotetramat are uniformly mixed with the auxiliary agent according to the corresponding proportion, and the mixture is continuously sanded by a sand mill to ensure that the D90 particle size is less than 5 mu m, so that the pesticide suspoemulsion containing fenthion and spirotetramat is obtained.
In a further aspect, the application of the pesticide composition in controlling plant pests is provided.
Further, the plant pest insect pests comprise at least one of thrips, psyllids, whiteflies and aphids, and optionally thrips.
In another aspect, a method for controlling plant diseases and insect pests by using the pesticide composition is provided, and the pesticide composition is prepared into a dosage form and is applied to farmland.
Advantageous effects
(1) The composition is suitable for preventing and treating pests of beans, mangoes, melons and the like, such as thrips, aphids and psyllids, and is particularly suitable for preventing and treating mango thrips. The two pesticide active components have synergistic effect, and can reduce the total application amount, thereby being more efficient and environment-friendly.
(2) The invention preferentially adopts a suspension emulsion formulation, and disperses micronized particles of fenthion, spirotetramat and mineral oil in water, thereby having the following advantages: the flash point is high, the fuel is non-combustible and non-explosive, and the production, storage and use are safe; less dust, less environmental pollution and safety to producers, users and environment; water is used as a matrix, so that the resource is rich, the product cost is low, and the product is easy to package; the preparation is sprayed and distributed on the surface of crops as fine particles, and the pesticide effect is good; after the adhesive is added, the surface tension of the liquid medicine can be reduced, the adhesiveness of the liquid medicine is improved, the wettability expansibility and the rain-wash resistance of the liquid medicine are improved, and the utilization rate of the liquid medicine is improved.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present invention. It will be understood by those skilled in the art that the present invention may be practiced without some of these specific details. In some embodiments, materials, elements, methods, means, and the like that are well known to those skilled in the art are not described in detail in order to not unnecessarily obscure the present invention.
The fenthion and the spirotetramat can be obtained in a commercial mode.
Example 135% fenthion spirotetramat suspoemulsion
The composition is as follows:
Figure BDA0003204299890000041
example 260% betathion spirotetramat suspoemulsion the composition was as follows:
Figure BDA0003204299890000051
example 350% fenthion spirotetramat suspoemulsion
The composition is as follows:
Figure BDA0003204299890000052
example 440% fenthion spirotetramat suspoemulsion
The composition is as follows:
Figure BDA0003204299890000053
Figure BDA0003204299890000061
example 545% Benzothion spirotetramat suspoemulsion
The composition is as follows:
Figure BDA0003204299890000062
the preparation method of the suspoemulsion comprises the following steps:
mixing fenthion, spirotetramat and auxiliary agent uniformly according to a corresponding proportion, and continuously sanding by a sanding machine to ensure that the particle size of D90 is below 5 mu m, thus obtaining the pesticide suspoemulsion containing fenthion and spirotetramat.
Test example 1
In order to know the exact toxicity of the fenthion and spirotetramat mixed composition to thrips, the mixture ratio is screened by indoor toxicity measurement, the co-toxicity coefficient (CTC) of the two medicaments compounded according to a certain proportion is determined, the CTC is less than 80 as an antagonistic action, the CTC is more than or equal to 80 and less than or equal to 120 as an additive action, and the CTC is more than 120 as a synergistic action.
The specific test method comprises the following steps: the mother liquor of each mixture is diluted into 5 series concentrations and respectively placed in beakers for standby. Placing 20 thrips and cleaned mango tender leaves in a breathable transparent box, uniformly spraying liquid medicine in the box and on the plant, and then feeding at 26 ℃. Each treatment was repeated 5 times while setting a water-sprayed blank control, and the number of dead insects was checked after 24 hours. Calculating mortality and correcting mortality, solving a regression equation of virulence and calculating LC 50 The value is obtained. If the control mortality is greater than 10%, the test is considered invalid. The calculation formula is as follows:
death rate (%) - (number of living insects before drug-number of living insects after drug)/number of living insects before drug × 100
Corrected mortality (%) - (treatment-control mortality)/(1-control mortality) × 100
Converting the corrected mortality rate of pests into a probability value (y), converting the treatment concentration (mu g/ml) into a logarithm value (x), obtaining a virulence regression equation by a least square method, and calculating LC of each medicament 50 The value is obtained. Calculating co-toxicity coefficient according to Sun cloud Pei formula method
The CTC calculation formula is as follows (using fenthion as a standard agent, with a virulence index of 100):
LC of Toxicity Index (TI) of spirotetramat 50 LC of spirotetramat 50 ×100
LC of fenthion for actual virulence index (ATI) of M 50 LC of/M 50 ×100
Theoretical virulence index (TTI) of M being TI × P of fenthion Fenthion + TI of Spirotetramat is multiplied by P Spirotetramat
TTI x 100 of ATI/M with co-toxicity coefficient (CTC) ═ M
In the formula: m is a mixture of fenthion and spirotetramat in different proportions
P Spirotetramat Is the proportion of the spirotetramat in the mixture
P Fenthion Is the proportion of fenthion in the mixture
The tested pests: mango thrips
The test agents are provided by Yinghui crop science, Inc. in Foshan. And (3) experimental design: the effective lethal concentration range of the fenthion and spirotetramat original drugs and the mixture of the fenthion and the spirotetramat with different proportions is determined through a preliminary test. The results of the experiment are shown in table 1 below:
TABLE 1 indoor toxicity assay for fenthion and spirotetramat in different ratios in mango thrips
Proportioning Regression equation of virulence Correlation coefficient LC 50 (mg/l) Co-toxicity coefficient (CTC)
Bei Su Pho (A) Y＝0.2938+1.7919x 0.9902 422.99 —
Spirotetramat (B) Y＝2.0410+1.9753x 0.9962 31.48 —
A:B(6:1) Y＝1.1958+1.9105x 0.9877 97.99 155.45
A:B(5:1) Y＝1.4616+1.8748x 0.9863 77.15 178.42
A:B(4:1) Y＝1.6920+1.8651x 0.9855 59.37 204.29
A:B(3:1) Y＝1.6536+1.7644x 0.9914 78.82 130.60
A:B(2:1) Y＝1.7578+1.8262x 0.9820 59.61 137.89
As can be seen from the table 1, the fenthion and the spirotetramat show a synergistic effect on the control of mango thrips in the range of 6:1-2:1, wherein when the ratio of the fenthion to the spirotetramat is 4:1, the co-toxicity coefficient on the control of the mango thrips is more than 200, and the synergistic effect is more remarkable.
Test example 2
Test of field drug effect
Experimental treatment: the experiment designs two medicament dosages according to the difference of each component, wherein the medicament dosages are the mass sum of the effective components of fenthion and spirotetramat. The control agents were 50% fenthion suspension and 22.4% spirotetramat suspension and a blank clear water test.
The test method comprises the following steps: each cell area is 66.7m 2 Repeating the steps for 3 times; the pesticide effect investigation method before pesticide application and after control comprises the steps of randomly sampling 5 points in a test treatment area, carrying out insect population investigation according to relevant standards of national field tests, and calculating the control effect. The test results are shown in the following tables 2 and 3:
TABLE 2 field test of efficacy of different agent treatments on mango thrips
Figure BDA0003204299890000081
TABLE 3 field test of efficacy of different drug treatments on kidney bean thrips
Figure BDA0003204299890000082
As shown in tables 2 and 3, the field efficacy test results show that after the fenthion and the spirotetramat are compounded, mango and the peashrub thrips can be effectively controlled, the composition has obvious synergistic effect, and the control effect is higher than that of a single fenthion agent and that of a single spirotetramat agent, so that the pesticide composition can well control the thrips, reduce the dosage, reduce the cost, delay the generation of drug resistance of the thrips and reduce the pollution to the environment. In conclusion, the pesticide composition is worthy of popularization and application in production.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. The pesticide composition is characterized in that active ingredients comprise fenthion and spirotetramat, and the weight ratio of the fenthion to the spirotetramat is 99:1-1: 99.
2. The pesticide composition of claim 1, wherein the weight ratio of fenthion to spirotetramat is 10:1 to 1:1, optionally 6:1 to 2:1, optionally 6:1 to 4:1, optionally 5:1 to 4:1, optionally 4: 1.
3. The pesticidal composition of claim 1 or 2, wherein the active ingredient is present in an amount of 10% to 80%, optionally 35% to 60%, optionally 50%, and the balance adjuvants, based on the total composition.
4. The pesticide composition as set forth in claim 3, wherein the adjuvant is any one or more of a dispersant, an emulsifier, an antifreeze, a thickener, a preservative, an antifoaming agent, a solvent, a wetting agent, a disintegrant, water and a filler.
5. The agricultural chemical composition as set forth in claim 3 or 4, wherein the agricultural chemical composition is in the form of a suspension, an aqueous emulsion, a microemulsion, an emulsifiable concentrate, a wettable powder, a microcapsule suspension, a water dispersible granule, a soluble powder, a soluble granule or a suspoemulsion.
6. The pesticide composition as set forth in claim 3, wherein the pesticide composition is in the form of a suspoemulsion, and optionally, the adjuvant comprises a medium oil, a wetting dispersant, an emulsifier, a thickener, an anti-freezing agent, a stabilizer, an antifoaming agent, a preservative and water;
optionally, the mass fractions of the auxiliary agents in the composition are respectively: 0.5-20% of medium oil, 3-15% of wetting dispersant, 1-10% of emulsifier, 0.1-3% of thickener, 1-5% of antifreeze agent, 0.1-10% of stabilizer, 0.1-2% of defoamer, 0.1-1.5% of preservative and water which is complemented to 100%;
optionally, the mass fractions of the auxiliary agents in the composition are respectively: 1-13% of medium oil, 8-15% of wetting dispersant, 3-10% of emulsifier, 0.1-0.2% of thickening agent, 4-5% of antifreeze agent, 2-5% of stabilizer, 0.1-0.2% of defoamer, 0.1-1.5% of preservative, and water which is added to 100%;
optionally, the medium oil is selected from vegetable oil, mineral oil and/or paraffin oil;
optionally, the wetting dispersant is selected from one or more of sodium dodecyl benzene sulfonate, nekal, dodecyl polyoxyethylene ether phosphate, nonylphenol polyoxyethylene ether, potassium oleate, sodium lignosulfonate, sodium laureth sulfate and alkyl naphthalene formaldehyde condensate sulfonate;
optionally, the emulsifier is selected from one or more of a macromolecule EO-PO block copolymer, NP series nonylphenol polyoxyethylene ether, alkylphenol polyoxyethylene polyether and sulfate or phosphate thereof, AEO series fatty alcohol polyoxyethylene ether, nonylphenol polyoxyethylene ether phosphate, alkylphenol polyoxyethylene ether formaldehyde condensate sulfate phosphate, styrene phenol formaldehyde resin polyoxyethylene ether phosphate, styrene phenol polyoxyethylene polyoxypropylene ether, span series and Tween series;
optionally, the thickening agent is selected from one or more of xanthan gum, Arabic gum, carboxymethyl cellulose, hydroxymethyl cellulose, hydroxyethyl cellulose, methyl cellulose and polyvinyl alcohol;
optionally, the antifreeze is selected from one or more of ethylene glycol, glycerol, propylene glycol, polyethylene glycol and sorbitol or urea;
optionally, the stabilizer is selected from one or more of epoxidized soybean oil, linseed oil, citric acid and sodium sorbate;
optionally, the defoaming agent is selected from one or more of silicone defoaming agent, C8-C10 fatty alcohol compound and II-ethyl alcohol;
optionally, the preservative is selected from one or more of sodium benzoate, benzoic acid and sodium diacetate.
7. A process for preparing the agricultural chemical composition as claimed in any one of claims 1 to 6, which includes such steps as proportionally mixing fenthion and spirotetramat with assistant, and continuous sand grinding to obtain the suspended emulsion of fenthion-spirotetramat with D90 particle size less than 5 microns.
8. Use of a pesticidal composition according to any one of claims 1 to 6 for combating plant pests.
9. Use according to claim 8, wherein the plant pest pests include at least one of thrips, psyllids, whiteflies and aphids, optionally thrips.
10. A method for controlling plant diseases and pests by using the pesticidal composition according to any one of claims 1 to 6, wherein the pesticidal composition is prepared in a dosage form to be spread in a farm field.
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Citations (4)

* Cited by examiner, † Cited by third party
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CN101642117A (en) * 2009-09-08 2010-02-10 深圳诺普信农化股份有限公司 Pesticidal composition with synergistic effect
CN103478151A (en) * 2013-09-17 2014-01-01 江苏省绿盾植保农药实验有限公司 Pesticide composition containing spirotetramat
CN104222117A (en) * 2014-09-03 2014-12-24 扬州大学 Pesticide preparation containing spirotetramat for preventing and treating liriomyza sativae blanchard and bemisia tabaci
CN110063336A (en) * 2019-04-26 2019-07-30 上海明德立达生物科技有限公司 A kind of composition pesticide and pesticide and its application of spirotetramat and fluorine pyrrole furanone

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Publication number Priority date Publication date Assignee Title
CN101642117A (en) * 2009-09-08 2010-02-10 深圳诺普信农化股份有限公司 Pesticidal composition with synergistic effect
CN103478151A (en) * 2013-09-17 2014-01-01 江苏省绿盾植保农药实验有限公司 Pesticide composition containing spirotetramat
CN104222117A (en) * 2014-09-03 2014-12-24 扬州大学 Pesticide preparation containing spirotetramat for preventing and treating liriomyza sativae blanchard and bemisia tabaci
CN110063336A (en) * 2019-04-26 2019-07-30 上海明德立达生物科技有限公司 A kind of composition pesticide and pesticide and its application of spirotetramat and fluorine pyrrole furanone

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