Insecticidal composition containing fluoro-ene sulfone and allyl isothiocyanate

文档序号:1910191 发布日期:2021-12-03 浏览:21次 中文

阅读说明:本技术 含氟烯线砜和异硫氰酸烯丙酯的杀虫组合物 (Insecticidal composition containing fluoro-ene sulfone and allyl isothiocyanate ) 是由 刘言合 陈琦 于 2021-09-28 设计创作,主要内容包括:本发明公开了含氟烯线砜和异硫氰酸烯丙酯的杀虫组合物,涉及农药领域,通过将氯铂酸加入异丙醇中,得到催化剂,在三口烧瓶中加入烯丙基缩水甘油醚和催化剂,滴加含氢硅油的甲苯溶液,得到中间体A,在三颈烧瓶中加入中间体A和聚醚胺,加入乙醇作溶剂,得到该稳定助剂,通过向组合物中添加该稳定助剂,解决了现有农药在稀释过程中易产生泡沫降低农药分散的均匀度,影响药效的同时干扰喷雾操作的问题;氨基的引入,增加了亲水性,且可离子化,带正电荷,对于带负电的气泡膜具有良好的破泡作用,显著降低表面张力,使农药迅速在植物表面铺展、润湿、渗透,使农药发挥更强的效率,从而达到了降低气泡产生的目的。(The invention discloses an insecticidal composition containing fluorine alkene sulfone and allyl isothiocyanate, and relates to the field of pesticides, wherein chloroplatinic acid is added into isopropanol to obtain a catalyst, allyl glycidyl ether and the catalyst are added into a three-neck flask, a toluene solution containing hydrogen silicone oil is dropwise added to obtain an intermediate A, the intermediate A and polyetheramine are added into the three-neck flask, ethanol is added as a solvent to obtain a stable auxiliary agent, and the stable auxiliary agent is added into the composition, so that the problems that the existing pesticide is easy to generate foam in the dilution process to reduce the dispersion uniformity of the pesticide, the pesticide effect is influenced, and the spraying operation is interfered are solved; the introduction of amino groups increases the hydrophilicity, can ionize and carry positive charges, has good bubble breaking effect on bubble membranes with negative charges, obviously reduces the surface tension, enables the pesticide to spread, wet and permeate on the surface of a plant quickly, enables the pesticide to exert stronger efficiency, and thus achieves the purpose of reducing the generation of bubbles.)

1. The insecticidal composition containing the fluoro-ene sulfone and the allyl isothiocyanate is characterized by comprising the following components in parts by weight:

0.5-60 parts of fluoro-ene sulfone, 0.5-60 parts of allyl isothiocyanate, 1-10 parts of stabilizing additive, 1-5 parts of wetting additive and 1-50 parts of filler or solvent;

the stabilizing additive is prepared by the following steps:

s1: adding chloroplatinic acid into isopropanol, and stirring and dissolving to obtain a catalyst;

s2: adding allyl glycidyl ether and a catalyst into a three-neck flask provided with a nitrogen introducing device, a reflux condensing device and a constant-pressure dropping funnel, dropwise adding a toluene solution containing hydrogen silicone oil, and carrying out reduced pressure distillation to obtain an intermediate A;

s3: adding the intermediate A and the polyether amine into a three-neck flask provided with a nitrogen introducing device and a reflux condenser pipe, adding ethanol as a solvent, and carrying out reduced pressure distillation to obtain the stabilizing additive;

the wetting assistant is prepared by the following steps:

s4: adding n-octane and n-octene into a three-neck flask, placing the three-neck flask into a glove box, adding zirconocene dichloride and methylaluminoxane, sealing, and heating for reaction to obtain an intermediate B;

s5: adding the intermediate B and dimethyl phosphite into a three-neck flask provided with a condenser pipe and a mechanical stirrer, adding a catalyst, and carrying out reduced pressure distillation to obtain an intermediate D;

s6: the wetting aid was obtained by adding the intermediate D, sodium hydroxide, distilled water and ethanol to a three-necked flask equipped with a condenser tube and a mechanical stirrer.

2. The insecticidal composition containing the fluoro-ene sulfone and the allyl isothiocyanate according to claim 1, wherein the filler is one or a mixture of two or more of sucrose, mannitol, lactose, potassium sulfate, sodium sulfate, montmorillonite, calcium carbonate, zeolite, acid clay, clay and pyrophyllite in any proportion, and the solvent is water or vegetable oil.

3. The insecticidal composition containing the fluoro-ene sulfone and the allyl isothiocyanate as claimed in claim 1, wherein the composition is formulated into one of emulsifiable concentrate, microcapsule suspension, granule and bait.

4. The insecticidal composition containing fluoroalkylsulfone and allyl isothiocyanate according to claim 1, wherein the dosage ratio of chloroplatinic acid to isopropyl alcohol in step S1 is 0.205 g: 9.88g, the using amount ratio of the hydrogen-containing silicone oil to the toluene in the toluene solution of the hydrogen-containing silicone oil in the step S2 is 4-4.5:1, the using amount of the catalyst is 3-4.5% of the allyl glycidyl ether, the using amount ratio of the toluene solution of the hydrogen-containing silicone oil to the allyl glycidyl ether is 16g:3g, and the molar ratio of the intermediate A to the polyether amine in the step S3 is 1: 1.

5. The insecticidal composition comprising fluoroalkene sulfone and allyl isothiocyanate according to claim 1, wherein the molar ratio of n-octane, n-octene, zirconocene dichloride and methylaluminoxane in step S4 is 137.5: 275: 1: 10.

6. the insecticidal composition containing fluoro-ene sulfone and allyl isothiocyanate according to claim 1, wherein the catalyst in step S5 is manganese acetate, and the ratio of the intermediate B, dimethyl phosphite and catalyst is 4.488 g: 8.286 g: 0.173 g.

7. The insecticidal composition containing fluoro-ene sulfone and allyl isothiocyanate according to claim 1, wherein the amount ratio of the intermediate D, sodium hydroxide, distilled water and ethanol in step S6 is 3.620 g: 3.200 g: 9.000 g: 9.000 g.

Technical Field

The invention relates to the field of pesticides, and particularly relates to an insecticidal composition containing fluorine alkene sulfone and allyl isothiocyanate.

Background

Plant nematode disease is plant diseases caused by invasion and parasitism of plant parasitic nematodes, normal growth and development of damaged plants are influenced by the fact that the invading nematodes absorb nutrition in vivo, secretion in the metabolic process of the nematodes can stimulate cells and tissues of host plants to cause plant malformation, yield reduction and quality reduction of agricultural products are caused, the current serious plant nematode disease comprises root knot nematode disease of various crops such as peanuts and the like, soybean cyst nematode disease, wheat grain nematode disease, sweet potato stem nematode disease, rice aphelenchoides besseyi and the like, the plant parasitic nematodes are mostly linear, colorless or milky white and are not segmented, the nematodes can also transmit viruses, and the oral wall of the nematode can be thickened to form a kiss needle, so that the nematode disease is one of the important differences between most plant parasitic nematodes and other nematodes;

the fulvene sulfolane is a metabolic inhibitor for a plant parasitic nematode energy acquisition and storage process, the nematode is killed by blocking the nematode from acquiring an energy channel through contact with the nematode, and the allyl isothiocyanate is used for preventing and treating various root-knot nematodes, aphids and the like and is widely applied to crops such as vegetables, bananas, fruit trees, medicinal materials and the like;

however, the existing pesticide has large surface tension and poor dispersibility when applied, is not easy to wet and spread on the leaf surface and root system of a target organism, reduces pesticide effect, and easily generates foam in the diluting process of the pesticide to reduce the uniformity of pesticide dispersion, thereby influencing pesticide effect and simultaneously interfering spraying operation.

Disclosure of Invention

In order to overcome the technical problems, the invention aims to provide a pesticidal composition containing fluoro-ene sulfone and allyl isothiocyanate:

(1) adding chloroplatinic acid into isopropanol to obtain a catalyst, adding allyl glycidyl ether and the catalyst into a three-neck flask, dropwise adding a toluene solution containing hydrogen silicone oil to obtain an intermediate A, adding the intermediate A and polyetheramine into the three-neck flask, and adding ethanol as a solvent to obtain the stabilizing additive, wherein the problem that the existing pesticide is easy to generate foam in the dilution process to reduce the dispersion uniformity of the pesticide, influence the pesticide effect and simultaneously interfere the spraying operation is solved by adding the stabilizing additive into the composition;

(2) adding n-octane and n-octene into a three-neck flask, placing the three-neck flask into a glove box, adding zirconocene dichloride and methylaluminoxane to obtain an intermediate B, adding the intermediate B and dimethyl phosphite into the three-neck flask, adding a catalyst to obtain an intermediate D, and adding the intermediate D, sodium hydroxide, distilled water and ethanol into the three-neck flask to obtain the wetting aid.

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

the insecticidal composition containing the fluoro-ene sulfone and the allyl isothiocyanate comprises the following components in parts by weight:

0.5-60 parts of fluoro-ene sulfone, 0.5-60 parts of allyl isothiocyanate, 1-10 parts of stabilizing additive, 1-5 parts of wetting additive and 1-50 parts of filler or solvent;

the stabilizing additive is prepared by the following steps:

s1: adding chloroplatinic acid into isopropanol, and stirring and dissolving to obtain a catalyst;

s2: adding allyl glycidyl ether and a catalyst into a three-neck flask provided with a nitrogen introducing device, a reflux condensing device and a constant-pressure dropping funnel, heating to 80-90 ℃, dropwise adding a toluene solution containing hydrogen silicone oil, controlling the dropwise adding speed to be 1-2 drops/s, reacting for 4-5h under the protection of nitrogen, carrying out reduced pressure distillation, precipitating for 3-4 times in a mixed solution of n-hexane and tetrahydrofuran with the volume ratio of 20/1, and placing in a vacuum drying box for 14-16h at 80-90 ℃ to obtain an intermediate A;

s3: adding the intermediate A and polyether amine into a three-neck flask provided with a nitrogen introducing device and a reflux condenser tube, adding ethanol as a solvent, heating to 60-70 ℃, reacting for 2-3h, carrying out reduced pressure distillation, and placing in a vacuum drying oven at 60-65 ℃ for 12-13h to obtain the stabilizing additive;

the wetting assistant is prepared by the following steps:

s4: adding n-octane and n-octene into a three-neck flask, placing the three-neck flask into a glove box, adding zirconocene dichloride and methylaluminoxane, sealing, taking out, placing into a constant-temperature water bath kettle at 50-55 ℃, and stirring for reaction for 10-12 hours to obtain an intermediate B;

the chemical reaction formula is as follows:

s5: adding the intermediate B and dimethyl phosphite into a three-neck flask provided with a condensing tube and a mechanical stirrer, adding a catalyst, placing the three-neck flask into a constant-temperature oil bath kettle, stirring and reacting for 3-4h at 90-95 ℃, and carrying out reduced pressure distillation to obtain an intermediate D;

the chemical reaction formula is as follows:

s6: adding the intermediate D, sodium hydroxide, distilled water and ethanol into a three-neck flask provided with a condenser tube and a mechanical stirrer, placing the three-neck flask into a constant-temperature oil bath, and stirring and reacting at 110-120 ℃ for 12-14h to obtain the wetting assistant.

The chemical reaction formula is as follows:

as a further scheme of the invention: the filler is one or a mixture of more than two of sucrose, mannitol, lactose, potassium sulfate, sodium sulfate, montmorillonite, calcium carbonate, zeolite, acidic clay, argil and pyrophyllite 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 missible oil, microcapsule suspending agent, granules and bait.

As a further scheme of the invention: the dosage ratio of chloroplatinic acid to isopropanol in step S1 was 0.205 g: 9.88g, the using amount ratio of the hydrogen-containing silicone oil to the toluene in the toluene solution of the hydrogen-containing silicone oil in the step S2 is 4-4.5:1, the using amount of the catalyst is 3-4.5% of the allyl glycidyl ether, the using amount ratio of the toluene solution of the hydrogen-containing silicone oil to the allyl glycidyl ether is 16g:3g, and the molar ratio of the intermediate A to the polyether amine in the step S3 is 1: 1.

As a further scheme of the invention: in the step S4, the molar ratio of the n-octane, the n-octene, the zirconocene dichloride and the methylaluminoxane is 137.5: 275: 1: 10.

as a further scheme of the invention: in the step S5, the catalyst is manganese acetate, and the dosage ratio of the intermediate B, dimethyl phosphite and the catalyst is 4.488 g: 8.286 g: 0.173 g.

As a further scheme of the invention: in the step S6, the dosage ratio of the intermediate D, the sodium hydroxide, the distilled water and the ethanol is 3.620 g: 3.200 g: 9.000 g: 9.000 g.

The invention has the beneficial effects that:

(1) the invention adds chloroplatinic acid into isopropanol to obtain a catalyst, adds allyl glycidyl ether and the catalyst into a three-neck flask, adds toluene solution containing hydrogen silicone oil dropwise to obtain an intermediate A, adds the intermediate A and polyether amine into the three-neck flask, adds ethanol as a solvent to obtain the stabilizing additive, adds the stabilizing additive into the composition, the polyether is a non-ionic compound with the advantages of non-corrosivity, non-toxicity, excellent water dispersibility, structure adjustability and the like, the molecular structure contains ether bonds, when the stabilizing additive is contacted with water, hydrogen atoms in the water and oxygen atoms on the ether bonds are combined by hydrogen bonds, hydrophobic groups face inwards to ensure that the whole molecular structure is in a zigzag shape, changes the water solubility and the oil solubility of the molecule to effectively reduce the surface tension of a foaming system, thereby exerting defoaming performance, and the stabilizing additive is based on polyether silicone oil, amino and polyether chain links are introduced to the framework, so that the advantages of polyether silicone oil are fully exerted, the polyether silicone oil can be used as an emulsifier and also can be used as an active component of a defoaming agent, the introduction of the amino increases the hydrophilicity, can be ionized and has positive charge, has a good foam breaking effect on a bubble film with negative charge, better adjusts the emulsification and defoaming performances, obviously reduces the surface tension, enables the pesticide to be rapidly spread, wetted and permeated on the surface of a plant, and enables the pesticide to exert stronger efficiency, thereby achieving the purpose of reducing the generation of bubbles;

(2) adding n-octane and n-octene into a three-mouth flask, placing the three-mouth flask into a glove box, adding zirconocene dichloride and methylaluminoxane to obtain an intermediate B, adding the intermediate B and isopropanol into the three-mouth flask, mixing sodium bisulfite with distilled water, pouring into the three-mouth flask, adding tert-butyl peroxybenzoate and ferric trichloride hexahydrate to obtain an intermediate C, adding the intermediate B and dimethyl phosphite into the three-mouth flask, adding a catalyst to obtain an intermediate D, adding the intermediate D, sodium hydroxide, distilled water and ethanol into the three-mouth flask to obtain the wetting auxiliary, wherein the wetting auxiliary has a branched chain structure, strong phosphate radical hydrophilicity and branched chain alkyl lipophilicity, phosphate radicals can be firmly adsorbed on the interface of pesticide particles, hydrophilic radicals generate negative charges after ionization in water, and the particles are difficult to approach due to the same charges, the better dispersion stability is obtained, and after the surfactant molecules are dissolved in water, the hydrophilic groups of the surfactant can face the liquid surface and the hydrophobic groups can face the gas phase due to the special structure containing the hydrophilic and hydrophobic groups, so that an adsorption layer is formed on the surface of water and adsorbed on the surface of crops, and the target biological leaf surfaces and the root systems can be better wetted and spread, thereby achieving the purpose of improving the pesticide 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 an insecticidal composition containing fluorine alkene sulfone and allyl isothiocyanate, which comprises the following components in parts by weight:

30 parts of fluorine alkene sulfone, 20 parts of allyl isothiocyanate, 5 parts of stabilizing additive, 5 parts of wetting additive and 20 parts of filler or solvent;

the stabilizing additive is prepared by the following steps:

s1: adding chloroplatinic acid into isopropanol, and stirring and dissolving to obtain a catalyst;

s2: adding allyl glycidyl ether and a catalyst into a three-neck flask provided with a nitrogen introducing device, a reflux condensing device and a constant-pressure dropping funnel, heating to 80 ℃, dropwise adding a toluene solution containing hydrogen silicone oil, controlling the dropwise adding speed to be 1 drop/s, reacting for 4 hours under the protection of nitrogen, carrying out reduced pressure distillation, precipitating for 3 times in a mixed solution of n-hexane and tetrahydrofuran with the volume ratio of 20/1, and placing in a vacuum drying oven for 14 hours at 80 ℃ to obtain an intermediate A;

s3: adding the intermediate A and polyether amine into a three-neck flask provided with a nitrogen introducing device and a reflux condenser tube, adding ethanol as a solvent, heating to 60 ℃, reacting for 2 hours, distilling under reduced pressure, and placing in a vacuum drying oven at 60 ℃ for 12 hours to obtain the stabilizing additive;

wherein the wetting assistant is prepared by the following steps:

s4: adding n-octane and n-octene into a three-neck flask, placing the three-neck flask into a glove box, adding zirconocene dichloride and methylaluminoxane, sealing, taking out, placing into a 50 ℃ constant-temperature water bath, and stirring for reaction for 10 hours to obtain an intermediate B;

s5: adding the intermediate B and dimethyl phosphite into a three-neck flask provided with a condensing tube and a mechanical stirrer, adding a catalyst, placing the three-neck flask into a constant-temperature oil bath kettle, stirring and reacting for 3 hours at 90 ℃, and carrying out reduced pressure distillation to obtain an intermediate D;

s6: adding the intermediate D, sodium hydroxide, distilled water and ethanol into a three-neck flask provided with a condenser pipe and a mechanical stirrer, placing the three-neck flask into a constant-temperature oil bath kettle, and stirring and reacting at 110 ℃ for 12 hours to obtain the wetting 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 an insecticidal composition containing fluorine alkene sulfone and allyl isothiocyanate, which comprises the following components in parts by weight:

30 parts of fluorine alkene sulfone, 20 parts of allyl isothiocyanate, 4 parts of stabilizing additive, 5 parts of wetting additive and 3 parts of filler or solvent;

the stabilizing additive is prepared by the following steps:

s1: adding chloroplatinic acid into isopropanol, and stirring and dissolving to obtain a catalyst;

s2: adding allyl glycidyl ether and a catalyst into a three-neck flask provided with a nitrogen introducing device, a reflux condensing device and a constant-pressure dropping funnel, heating to 80 ℃, dropwise adding a toluene solution containing hydrogen silicone oil, controlling the dropwise adding speed to be 1 drop/s, reacting for 4 hours under the protection of nitrogen, carrying out reduced pressure distillation, precipitating for 3 times in a mixed solution of n-hexane and tetrahydrofuran with the volume ratio of 20/1, and placing in a vacuum drying oven for 14 hours at 80 ℃ to obtain an intermediate A;

s3: adding the intermediate A and polyether amine into a three-neck flask provided with a nitrogen introducing device and a reflux condenser tube, adding ethanol as a solvent, heating to 60 ℃, reacting for 2 hours, distilling under reduced pressure, and placing in a vacuum drying oven at 60 ℃ for 12 hours to obtain the stabilizing additive;

wherein the wetting assistant is prepared by the following steps:

s4: adding n-octane and n-octene into a three-neck flask, placing the three-neck flask into a glove box, adding zirconocene dichloride and methylaluminoxane, sealing, taking out, placing into a constant-temperature water bath kettle at 55 ℃, and stirring for reaction for 12 hours to obtain an intermediate B;

s5: adding the intermediate B and dimethyl phosphite into a three-neck flask provided with a condensing tube and a mechanical stirrer, adding a catalyst, placing the three-neck flask into a constant-temperature oil bath kettle, stirring and reacting for 4 hours at 95 ℃, and carrying out reduced pressure distillation to obtain an intermediate D;

s6: adding the intermediate D, sodium hydroxide, distilled water and ethanol into a three-neck flask provided with a condenser pipe and a mechanical stirrer, placing the three-neck flask into a constant-temperature oil bath kettle, and stirring and reacting for 14 hours at 120 ℃ to obtain the wetting 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 an insecticidal composition containing fluorine alkene sulfone and allyl isothiocyanate, which comprises the following components in parts by weight:

40 parts of fluorine alkene sulfone, 10 parts of allyl isothiocyanate, 6 parts of stabilizing additive, 4 parts of wetting additive and 30 parts of filler or solvent;

the stabilizing additive is prepared by the following steps:

s1: adding chloroplatinic acid into isopropanol, and stirring and dissolving to obtain a catalyst;

s2: adding allyl glycidyl ether and a catalyst into a three-neck flask provided with a nitrogen introducing device, a reflux condensing device and a constant-pressure dropping funnel, heating to 90 ℃, dropwise adding a toluene solution containing hydrogen silicone oil, controlling the dropwise adding speed to be 2 drops/s, reacting for 5 hours under the protection of nitrogen, carrying out reduced pressure distillation, precipitating for 4 times in a mixed solution of n-hexane and tetrahydrofuran with the volume ratio of 20/1, and placing in a vacuum drying box for 16 hours at 90 ℃ to obtain an intermediate A;

s3: adding the intermediate A and polyether amine into a three-neck flask provided with a nitrogen introducing device and a reflux condenser tube, adding ethanol as a solvent, heating to 70 ℃, reacting for 3 hours, distilling under reduced pressure, and placing in a vacuum drying oven at 65 ℃ for 13 hours to obtain the stabilizing additive;

wherein the wetting assistant is prepared by the following steps:

s4: adding n-octane and n-octene into a three-neck flask, placing the three-neck flask into a glove box, adding zirconocene dichloride and methylaluminoxane, sealing, taking out, placing into a constant-temperature water bath kettle at 55 ℃, and stirring for reaction for 12 hours to obtain an intermediate B;

s5: adding the intermediate B and dimethyl phosphite into a three-neck flask provided with a condensing tube and a mechanical stirrer, adding a catalyst, placing the three-neck flask into a constant-temperature oil bath kettle, stirring and reacting for 4 hours at 95 ℃, and carrying out reduced pressure distillation to obtain an intermediate D;

s6: adding the intermediate D, sodium hydroxide, distilled water and ethanol into a three-neck flask provided with a condenser pipe and a mechanical stirrer, placing the three-neck flask into a constant-temperature oil bath kettle, and stirring and reacting for 14 hours at 120 ℃ to obtain the wetting 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 stabilizing aid is added.

Comparative example 2:

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

Comparative example 3:

comparative example 1A nematicidal composition as disclosed in Chinese patent CN201510064851.7 was used.

Diluting the pesticide compositions of examples 1-3 and comparative examples 1-3 by 1000 times for detection, sucking 5mL of liquid medicine from the examples and comparative examples by using a pipette gun, respectively adding the liquid medicine into test tubes, sucking 5mL of prepared equal-amount nematode suspension, respectively adding the liquid medicine into the test tubes, uniformly mixing the liquid medicine with nematode suspension in equal amount, using the pipette gun to transfer a certain volume of the mixed liquid into small holes of a porous biochemical test plate, covering the small holes, culturing at the constant temperature of 25 ℃, repeating the treatment for four times each time, using distilled water as a control group, observing the death condition of nematodes under a dissecting mirror, recording the number of investigated busworms, keeping the dead nematodes stiff and stiff, and being 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 above table, the control effect of 5d after the example drug reaches 65.3 to 69.1%, the control effect of comparative example 1 without the addition of the stabilizing additive is 50.2%, the control effect of comparative example 2 without the addition of the wetting additive is 56.1%, the control effect of comparative example 3 using the nematicidal composition disclosed in chinese patent CN201510064851.7 is 62.1%, the control effect of 15d after the example drug reaches 78.5 to 79.2%, the control effect of comparative example 1 without the addition of the stabilizing additive is 68.6%, the control effect of comparative example 2 without the addition of the wetting additive is 70.1%, the control effect of comparative example 3 using the nematicidal composition disclosed in chinese patent CN201510064851.7 is 72.3%, the control effect of 25d after the example drug reaches 95.3 to 95.9%, the control effect of comparative example 1 without the addition of the stabilizing additive is 80.1%, the control effect of comparative example 2 without the addition of the wetting additive is 89.5%, and the control effect of comparative example 1 using the nematicidal composition disclosed in patent CN201510064851.7 is 92%, the data of the comparative example 3 is superior to those of the comparative examples 1 and 2, and the data of the experimental example is obviously superior to that of the comparative example 3, which shows that the control effect of the pesticide composition can be improved by adding the stabilizing additive and the wetting additive, and the control effect is obviously improved compared with that of the existing pesticide composition.

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.

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