阅读说明：本技术 一种含氟吡菌酰胺的杀虫组合物 (Fluopyram-containing insecticidal composition ) 是由 刘言合 陈琦 于 2021-09-16 设计创作，主要内容包括：本发明公开了一种含氟吡菌酰胺的杀虫组合物,涉及农药领域,通过在四口烧瓶中加入马来酸酐、聚乙二醇和催化剂得到中间体A,将中间体A、甲基丙烯酸、甲基丙烯酸氢糠酯加入到锥形瓶中,得到单体溶液,将亚硫酸氢钠、溶剂甲醇加入到四口烧瓶中,滴加单体溶液和过硫酸铵溶液,得到该分散助剂；解决了农药在使用过程中分散性差,在喷洒后不易吸附在植物叶面及根系,导致药效降低的问题；分子主链的疏水性和侧链的亲水性以及侧链的存在,起到了立体稳定作用,以防发生无规则凝聚,从而有助于农药颗粒的分散,不易出现沉降和絮凝,显著降低分散体系粘度,从而达到了提高分散性的目的。(The invention discloses a fluopyram-containing insecticidal composition, which relates to the field of pesticides and is characterized in that maleic anhydride, polyethylene glycol and a catalyst are added into a four-neck flask to obtain an intermediate A, the intermediate A, methacrylic acid and hydrogen furfuryl methacrylate are added into a conical flask to obtain a monomer solution, sodium bisulfite and a solvent methanol are added into the four-neck flask, and the monomer solution and an ammonium persulfate solution are dropwise added to obtain a dispersion auxiliary agent; the problem of pesticide effect reduction caused by poor dispersibility in the use process and difficult adsorption on the leaf surfaces and root systems of plants after spraying is solved; the hydrophobicity of the molecular main chain, the hydrophilicity of the side chain and the existence of the side chain play a role in steric stabilization to prevent irregular agglomeration, so that the dispersion of pesticide particles is facilitated, sedimentation and flocculation are not easy to occur, the viscosity of a dispersion system is obviously reduced, and the aim of improving the dispersibility is fulfilled.)

1. The insecticidal composition containing fluopyram is characterized by comprising the following components in parts by weight:

1-70 parts of fluopyram, 1-40 parts of compound, 1-10 parts of dispersing auxiliary agent, 1-5 parts of surface active auxiliary agent and 1-50 parts of filler or solvent;

the dispersing aid is prepared by the following steps:

s1: adding maleic anhydride, polyethylene glycol and a catalyst into a four-neck flask, and reacting for 4-5h at the oil bath temperature of 100 ℃ and 120 ℃ to obtain an intermediate A;

s2: adding the intermediate A, methacrylic acid and hydrogen furfuryl methacrylate into a conical flask to obtain a monomer solution;

s3: adding sodium bisulfite and a solvent methanol into a four-neck flask, heating the four-neck flask to 80-90 ℃, simultaneously dropwise adding a monomer solution and an ammonium persulfate solution by using a constant flow pump, controlling the dropwise adding speed of the monomer solution to be 1-2 drops/s, controlling the dropwise adding speed of the ammonium persulfate solution to be 1-3 drops/s, then reacting at a constant temperature for 2-3h, cooling to 50-55 ℃, adjusting the pH of the solution to 7-8 by using a NaOH solution, finally heating to 100-110 ℃, and distilling to obtain the dispersing aid;

the surface active auxiliary agent is prepared by the following steps:

s4: adding chloromethyl trichlorosilane and trimethylchlorosilane into a four-neck flask provided with a stirring device, a thermometer, a constant-pressure dropping funnel and a reflux condenser tube, stirring at room temperature, adding isopropanol, then dropwise adding deionized water, controlling the dropwise adding speed to be 1-2 drops/s, stirring at room temperature for 3-4 hours, cooling to room temperature, separating an organic layer, washing with deionized water to be neutral, adding a molecular sieve for overnight, and carrying out reduced pressure distillation to obtain an intermediate B;

s5: adding the intermediate B, N, N-dimethylethanolamine and isopropanol into a single-neck flask, stirring, carrying out reflux reaction at 85-95 ℃ for 36-40h, carrying out reduced pressure distillation, washing with a mixed solution of anhydrous methanol and N-hexane for 5-8 times, and placing in a drying oven at 40-50 ℃ for vacuum drying for 8-9h to obtain the surfactant.

2. The fluopyram-containing insecticidal composition according to claim 1, wherein the compound is one or a mixture of more than two of azadirachtin, osthole, ethylicin and chlorobromoisocyanuric acid in any proportion.

3. The insecticidal composition containing fluopyram according to claim 1, wherein the filler is one or a mixture of more than two of white clay, pyrophyllite, diatomite, kaolin, white carbon black, bentonite, montmorillonite, calcium carbonate, zeolite and acid clay in any proportion, and the solvent is water or vegetable oil.

4. The fluopyram-containing insecticidal composition according to claim 1, wherein the composition is formulated in a pesticide form selected from the group consisting of a suspension, a water dispersible granule, a microemulsion, a suspended seed coating, and a granule.

5. The fluopyram-containing insecticidal composition according to claim 1, wherein in step S1, the catalyst is p-toluenesulfonic acid, and the dosage ratio of maleic anhydride, polyethylene glycol and catalyst is 15.6 g: 20.1 g: 0.9 g.

6. The fluopyram-containing insecticidal composition according to claim 1, wherein the molar ratio of the intermediate A, methacrylic acid and hydrogen furfuryl methacrylate in step S2 is 1: 8: 2.

7. the fluopyram-containing insecticidal composition according to claim 1, wherein the amount ratio of ammonium persulfate to deionized water in the ammonium persulfate solution in step S3 is 1 g: 5.5g, wherein the dosage ratio of the sodium bisulfite, the monomer solution and the ammonium persulfate solution is 0.5 g: 10 g: 0.5 g.

8. The fluopyram-containing insecticidal composition according to claim 1, wherein the amount ratio of the chloromethyl trichlorosilane, the trimethylchlorosilane, the isopropanol and the deionized water in step S4 is 4.23 g: 13.03 g: 10.80 g: 3.24 g.

9. The fluopyram-containing insecticidal composition according to claim 1, wherein the amount ratio of intermediate B, N, N-dimethylethanolamine to isopropanol in step S5 is 3.73 g: 2.18 g: 8mL, wherein the volume ratio of the anhydrous methanol to the n-hexane is 1: 5.

Technical Field

The invention relates to the field of pesticides, and particularly relates to an insecticidal composition containing fluopyram.

Background

The nematodes are low-grade invertebrates, have small bodies and almost transparent body walls, can be clearly seen under a microscope, have wide distribution range, various varieties and strong environment adaptability, can infect underground parts such as roots, rhizomes, tuberous roots and bulbs of plants, and cause obvious external lesions at the parts, so that the overground parts of the plants are seriously hindered from growing and developing, and the plants show symptoms such as yellowing, dwarf and withered and dead when being serious, and are easy to cause bacterial or fungal complex infection due to the parasitism of the plant nematodes, thereby not only reducing the yield of crops, but also reducing the quality of agricultural products, causing serious economic loss and seriously restricting the development of agricultural economy.

Fluopyram is a nematicide with a brand new action mechanism, belongs to succinate dehydrogenase inhibitors, has the action mechanism of inhibiting the activity of target succinate dehydrogenase so as to interfere the respiration of nematodes, and after the nematodes are treated by the Fluopyram, the bodies of the nematodes are stiff and acicular, the activity is rapidly reduced, the Fluopyram shows obviously different mobility in soil and can be slowly and uniformly distributed on the upper layer in the soil, so that the Fluopyram can effectively and long-term protect the root system from being infected by the nematodes within the root system range.

Fluopyram has low toxicity, can satisfy the requirements for environmental safety and continuously solving the problem of nematodes, has the characteristics of high efficiency, broad spectrum, strong selectivity and the like, is not easy to cause phytotoxicity when in use, can achieve better control effect by compounding or alternate use, but has poor dispersibility in the use process of the existing pesticide, is not easy to adsorb on plant leaf surfaces and root systems, and causes pesticide waste and damage to the environment.

Disclosure of Invention

In order to overcome the technical problems, the invention aims to provide a fluopyram-containing insecticidal composition which comprises the following components in parts by weight:

(1) adding maleic anhydride, polyethylene glycol and a catalyst into a four-neck flask to obtain an intermediate A, adding the intermediate A, methacrylic acid and hydrogen furfuryl methacrylate into a conical flask to obtain a monomer solution, adding sodium bisulfite and a solvent methanol into the four-neck flask, and dropwise adding the monomer solution and an ammonium persulfate solution to obtain the dispersion aid;

(2) adding chloromethyl trichlorosilane and trimethylchlorosilane into a four-neck flask, adding isopropanol, dropwise adding deionized water to obtain an intermediate B, adding the intermediate B, N, N-dimethylethanolamine and isopropanol into the single-neck flask, stirring to obtain the surface active auxiliary agent, and adding the surface active auxiliary agent to solve the problem that pesticide is not easy to adsorb on plant leaf surfaces and root systems after being sprayed to cause pesticide effect reduction.

The purpose of the invention can be realized by the following technical scheme:

the pesticide composition containing fluopyram comprises the following components in parts by weight:

1-70 parts of fluopyram, 1-40 parts of compound, 1-10 parts of dispersing auxiliary agent, 1-5 parts of surface active auxiliary agent and 1-50 parts of filler or solvent;

the dispersing aid is prepared by the following steps:

s1: adding maleic anhydride, polyethylene glycol and a catalyst into a four-neck flask, and reacting for 4-5h at the oil bath temperature of 100 ℃ and 120 ℃ to obtain an intermediate A;

the chemical reaction formula is as follows:

s2: adding the intermediate A, methacrylic acid and hydrogen furfuryl methacrylate into a conical flask to obtain a monomer solution;

s3: adding sodium bisulfite and a solvent methanol into a four-neck flask, heating the four-neck flask to 80-90 ℃, simultaneously dropwise adding a monomer solution and an ammonium persulfate solution by using a constant flow pump, controlling the dropwise adding speed of the monomer solution to be 1-2 drops/s, controlling the dropwise adding speed of the ammonium persulfate solution to be 1-3 drops/s, then reacting at a constant temperature for 2-3h, cooling to 50-55 ℃, adjusting the pH of the solution to 7-8 by using a NaOH solution, finally heating to 100-110 ℃, and distilling to obtain the dispersing aid;

the chemical reaction formula is as follows:

the surface active auxiliary agent is prepared by the following steps:

s4: adding chloromethyl trichlorosilane and trimethylchlorosilane into a four-neck flask provided with a stirring device, a thermometer, a constant-pressure dropping funnel and a reflux condenser tube, stirring at room temperature, adding isopropanol for alcoholysis reaction, then dropwise adding deionized water, controlling the dropwise adding speed to be 1-2 drops/s, stirring at room temperature for 3-4h, cooling to room temperature, separating an organic layer, washing with deionized water to be neutral, adding a molecular sieve for overnight, and distilling under reduced pressure to obtain an intermediate B;

s5: adding the intermediate B, N, N-dimethylethanolamine and isopropanol into a single-neck flask, stirring, carrying out reflux reaction at 85-95 ℃ for 36-40h, carrying out reduced pressure distillation, washing with a mixed solution of anhydrous methanol and N-hexane for 5-8 times, and placing in a drying oven at 40-50 ℃ for vacuum drying for 8-9h to obtain the surfactant.

As a further scheme of the invention: the compound is one or a mixture of more than two of nimbin, osthole, ethylicin and chlorobromoisocyanuric acid in any proportion.

As a further scheme of the invention: the filler is one or a mixture of more than two of white clay, pyrophyllite, diatomite, kaolin, white carbon black, bentonite, montmorillonite, calcium carbonate, zeolite and acid clay in any proportion, and the solvent is water or vegetable oil.

As a further scheme of the invention: the pesticide formulation prepared from the composition is one of a suspending agent, a water dispersible granule, a microemulsion, a suspended seed coating agent and a granule.

As a further scheme of the invention: in the step S1, the catalyst is p-toluenesulfonic acid, and the dosage ratio of the maleic anhydride, the polyethylene glycol and the catalyst is 15.6 g: 20.1 g: 0.9 g.

As a further scheme of the invention: in the step S2, the molar ratio of the intermediate A to the methacrylic acid to the hydrogen furfuryl methacrylate is 1: 8: 2.

as a further scheme of the invention: in the step S3, the use amount ratio of ammonium persulfate to deionized water in the ammonium persulfate solution is 1 g: 5.5g, wherein the dosage ratio of the sodium bisulfite, the monomer solution and the ammonium persulfate solution is 0.5 g: 10 g: 0.5 g.

As a further scheme of the invention: in step S4, the usage ratio of the chloromethyl trichlorosilane, the trimethylchlorosilane, the isopropyl alcohol, and the deionized water is 4.23 g: 13.03 g: 10.80 g: 3.24 g.

As a further scheme of the invention: the dosage ratio of the intermediate B, N, N-dimethylethanolamine to isopropanol in the step S5 is 3.73 g: 2.18 g: 8mL, wherein the volume ratio of the anhydrous methanol to the n-hexane is 1: 5.

The invention has the beneficial effects that:

(1) the invention obtains an intermediate A by adding maleic anhydride, polyethylene glycol and a catalyst into a four-mouth flask, adds the intermediate A, methacrylic acid and hydrogen furfuryl methacrylate into a conical flask to obtain a monomer solution, adds sodium bisulfite and a solvent methanol into the four-mouth flask, and adds the monomer solution and an ammonium persulfate solution dropwise to obtain the dispersing auxiliary agent, the surface of pesticide particles is a relatively hydrophobic structure, the synergistic action of van der Waals attraction, electrostatic repulsion and steric hindrance acting force of dispersing agent molecules on the pesticide surface enables the pesticide particles to be better dispersed, the dispersing auxiliary agent has long carbon chains, more active adsorption points and branched chains capable of playing a role in spatial repulsion, the hydrophobicity of a molecular main chain, the hydrophilicity of the side chains and the existence of the side chains also play a certain role in steric stabilization to prevent irregular agglomeration, thereby being beneficial to the dispersion of the pesticide particles, the dispersing auxiliary agent has small sensitivity to ions, pH value, temperature and the like, has high dispersion stability, is not easy to settle and flocculate, and obviously reduces the viscosity of a dispersing system, thereby achieving the purpose of improving the dispersibility;

(2) adding chloromethyl trichlorosilane and trimethylchlorosilane into a four-neck flask, adding isopropanol, then dropwise adding deionized water to obtain an intermediate B, adding the intermediate B, N, N-dimethylethanolamine and isopropanol into a single-neck flask, stirring to obtain the surface active auxiliary agent, wherein most of pesticide particles belong to non-polar or weak-polar organic matters which are difficult to dissolve in water, the surface active auxiliary agent has both polar and nonpolar molecular structures, is easy to aggregate on the surfaces of pesticide particles to form an amphiphilic film, can reduce the surface tension or interfacial tension of a system, make inside water can permeate the pesticide rapidly, the pesticide is dispersed into tiny granule, and interfacial tension reduces, and the solid surface is easily moistened, and the liquid medicine no longer remains on the blade with spherical state, is easily attached to plant foliage and root system to reach the purpose that improves the drug effect.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and 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.

Example 1:

the embodiment is a fluopyram-containing insecticidal composition, which comprises the following components in parts by weight:

40 parts of fluopyram, 30 parts of compound, 5 parts of dispersing auxiliary agent, 5 parts of surface active auxiliary agent and 20 parts of filler or solvent;

the dispersing aid is prepared by the following steps:

s1: adding maleic anhydride, polyethylene glycol and a catalyst into a four-neck flask, carrying out oil bath at the temperature of 100 ℃, and reacting for 4 hours to obtain an intermediate A;

s2: adding the intermediate A, methacrylic acid and hydrogen furfuryl methacrylate into a conical flask to obtain a monomer solution;

s3: adding sodium bisulfite and a solvent methanol into a four-neck flask, heating the four-neck flask to 80 ℃, simultaneously dripping a monomer solution and an ammonium persulfate solution by using a constant flow pump, controlling the dripping speed of the monomer solution to be 1 drop/s and the dripping speed of the ammonium persulfate solution to be 1 drop/s, then reacting for 2 hours at constant temperature, cooling to 50 ℃, adjusting the pH of the solution to 7 by using a NaOH solution, finally heating to 100 ℃, and distilling to obtain the dispersing aid;

the surface active auxiliary agent is prepared by the following steps:

s4: adding chloromethyl trichlorosilane and trimethylchlorosilane into a four-neck flask provided with a stirrer, a thermometer, a constant-pressure dropping funnel and a reflux condenser tube, stirring at room temperature, adding isopropanol, then dropwise adding deionized water, controlling the dropwise adding speed to be 1 drop/s, stirring at room temperature for 3 hours, cooling to room temperature, separating an organic layer, washing with deionized water to be neutral, adding a molecular sieve for overnight, and carrying out reduced pressure distillation to obtain an intermediate B;

s5: adding the intermediate B, N, N-dimethylethanolamine and isopropanol into a single-neck flask, stirring, carrying out reflux reaction at 85 ℃ for 36 hours, carrying out reduced pressure distillation, washing for 5 times by using a mixed solution of anhydrous methanol and N-hexane, and carrying out vacuum drying in a drying oven at 40 ℃ for 8 hours to obtain the surface active auxiliary agent;

the components are prepared into water dispersible granules with the mass percentage of 50 percent according to a conventional preparation method to prepare pesticide spraying liquid.

Example 2:

the embodiment is a fluopyram-containing insecticidal composition, which comprises the following components in parts by weight:

30 parts of fluopyram, 20 parts of compound, 10 parts of dispersing auxiliary agent, 2 parts of surface active auxiliary agent and 30 parts of filler or solvent;

the dispersing aid is prepared by the following steps:

s1: adding maleic anhydride, polyethylene glycol and a catalyst into a four-neck flask, carrying out oil bath at the temperature of 100 ℃, and reacting for 4 hours to obtain an intermediate A;

s2: adding the intermediate A, methacrylic acid and hydrogen furfuryl methacrylate into a conical flask to obtain a monomer solution;

s3: adding sodium bisulfite and a solvent methanol into a four-neck flask, heating the four-neck flask to 80 ℃, simultaneously dripping a monomer solution and an ammonium persulfate solution by using a constant flow pump, controlling the dripping speed of the monomer solution to be 1 drop/s and the dripping speed of the ammonium persulfate solution to be 1 drop/s, then reacting for 2 hours at constant temperature, cooling to 50 ℃, adjusting the pH of the solution to 7 by using a NaOH solution, finally heating to 100 ℃, and distilling to obtain the dispersing aid;

the surface active auxiliary agent is prepared by the following steps:

s4: adding chloromethyl trichlorosilane and trimethylchlorosilane into a four-neck flask provided with a stirrer, a thermometer, a constant-pressure dropping funnel and a reflux condenser tube, stirring at room temperature, adding isopropanol, then dropwise adding deionized water, controlling the dropwise adding speed to be 2 drops/s, stirring at room temperature for 4 hours, cooling to room temperature, separating an organic layer, washing with deionized water to be neutral, adding a molecular sieve for overnight, and distilling under reduced pressure to obtain an intermediate B;

s5: adding the intermediate B, N, N-dimethylethanolamine and isopropanol into a single-neck flask, stirring, carrying out reflux reaction for 40h at 95 ℃, carrying out reduced pressure distillation, washing for 8 times by using a mixed solution of anhydrous methanol and N-hexane, and carrying out vacuum drying for 9h in a drying oven at 50 ℃ to obtain the surface active auxiliary agent;

the components are prepared into water dispersible granules with the mass percentage of 50 percent according to a conventional preparation method to prepare pesticide spraying liquid.

Example 3:

the embodiment is a fluopyram-containing insecticidal composition, which comprises the following components in parts by weight:

50 parts of fluopyram, 25 parts of compound, 4 parts of dispersing auxiliary agent, 4 parts of surface active auxiliary agent and 10 parts of filler or solvent;

the dispersing aid is prepared by the following steps:

s1: adding maleic anhydride, polyethylene glycol and a catalyst into a four-neck flask, carrying out oil bath at the temperature of 120 ℃, and reacting for 5 hours to obtain an intermediate A;

s2: adding the intermediate A, methacrylic acid and hydrogen furfuryl methacrylate into a conical flask to obtain a monomer solution;

s3: adding sodium bisulfite and a solvent methanol into a four-neck flask, heating the four-neck flask to 90 ℃, simultaneously dripping a monomer solution and an ammonium persulfate solution by using a constant flow pump, controlling the dripping speed of the monomer solution to be 2 drops/s and the dripping speed of the ammonium persulfate solution to be 3 drops/s, then reacting for 3 hours at constant temperature, cooling to 55 ℃, adjusting the pH value of the solution to 8 by using a NaOH solution, finally heating to 110 ℃, and distilling to obtain the dispersing aid;

the surface active auxiliary agent is prepared by the following steps:

s4: adding chloromethyl trichlorosilane and trimethylchlorosilane into a four-neck flask provided with a stirrer, a thermometer, a constant-pressure dropping funnel and a reflux condenser tube, stirring at room temperature, adding isopropanol, then dropwise adding deionized water, controlling the dropwise adding speed to be 2 drops/s, stirring at room temperature for 4 hours, cooling to room temperature, separating an organic layer, washing with deionized water to be neutral, adding a molecular sieve for overnight, and distilling under reduced pressure to obtain an intermediate B;

s5: adding the intermediate B, N, N-dimethylethanolamine and isopropanol into a single-neck flask, stirring, carrying out reflux reaction for 40h at 95 ℃, carrying out reduced pressure distillation, washing for 8 times by using a mixed solution of anhydrous methanol and N-hexane, and carrying out vacuum drying for 9h in a drying oven at 50 ℃ to obtain the surface active auxiliary agent;

the components are prepared into water dispersible granules with the mass percentage of 50 percent according to a conventional preparation method to prepare pesticide spraying liquid.

Comparative example 1:

comparative example 1 differs from example 1 in that no formulation is added.

Comparative example 2:

comparative example 2 differs from example 1 in that no dispersing aid is added.

Comparative example 3:

comparative example 3 differs from example 1 in that no surface active agent is added.

Comparative example 4:

the comparative example used a nematicidal composition containing fluopyram and furfural as disclosed in chinese patent CN 201611010653.3.

Diluting the pesticides of examples 1-3 and comparative examples 1-4 by 1000 times, sucking 3mL of liquid medicine from the examples and comparative examples by using a pipette gun, respectively adding the liquid medicine into test tubes, sucking 3mL of prepared equal-amount nematode suspension liquid, respectively adding the liquid medicine and nematode suspension agent into the test tubes, uniformly mixing the liquid medicine and the nematode suspension agent in equal amount, moving a certain volume of the mixed liquid into small holes of a porous biochemical test plate by using the pipette gun, covering, culturing at the constant temperature of 25 ℃, repeating the treatment for four times, using distilled water as a control group, observing the death condition of nematodes under an 8-hour dissecting mirror, recording the number of investigated bushelds, keeping the dead nematodes stiff and still incapable of bending movement when touched by a hairline needle, and calculating the death rate;

the results are shown in the following table:

as can be seen from the data in the above table, the control effect of the experimental example drug after 5 days reached 81.3 to 89.1%, the control effect of the comparative example drug without the addition of the compound was 60.2%, the control effect of the comparative example drug without the addition of the dispersion aid was 56.3%, the control effect of the comparative example drug without the addition of the surface active aid was 50.1%, the control effect of the comparative example drug with the use of the nematicidal composition comprising fluopyram and furfural disclosed in chinese patent CN201611010653.3 was 70.5%, the control effect of the experimental example drug after 10 days reached 86.2 to 88.2%, the control effect of the comparative example drug without the addition of the compound was 50.9%, the control effect of the comparative example drug without the addition of the dispersion aid was 56.2%, the control effect of the comparative example drug without the addition of the surface active aid was 49.8%, the control effect of the comparative example drug with the use of the nematicidal composition comprising fluopyram and furfural disclosed in chinese patent CN201611010653.3 was 69.5%, the control effect of the experimental example medicament in 15 days reaches 88.6-89.2%, the control effect of the comparative example 1 without adding the compound is 56.8%, the control effect of the comparative example 2 without adding the dispersing aid is 60.1%, the control effect of the comparative example 3 without adding the surface active aid is 58.4%, the control effect of the comparative example 4 using the nematicidal composition containing fluopyram and furfural disclosed by Chinese patent CN201611010653.3 is 70.1%, the data of the experimental example is obviously superior to that of the comparative example, which shows that the fluopyram and the compound are reasonably compounded, and the control effect can be obviously achieved by adding the dispersing aid and the surface active aid.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.