CN104642347A - Agricultural insecticidal and bactericidal composition - Google Patents

Abstract

The invention discloses an insecticidal and bactericidal composition containing cyantraniliprole and thiafuramide, and the weight ratio between the two is 1:50-50:1. The insecticidal and fungicidal composition provided by the invention can simultaneously prevent and control rice pests and diseases, expand the control spectrum, and achieve multiple treatments with one medicine.

Description

A kind of agricultural insecticide and fungicide composition

technical field

The invention belongs to the field of agricultural insecticide and bactericide, and in particular relates to an insecticide and bactericide composition containing cyantraniliprole and thifuramide.

Background technique

In rice cultivation, we are faced with pests and diseases at the same time. Common pests such as rice leaf roller, rice stem borer and rice borer, etc., common diseases such as rice sheath blight, rice blast and rice false smut, etc. have great impact on agricultural production have a greater impact. In the prior art, the pesticides used in the growing season of rice in my country are mainly single pest control or single disease control. There are few products that can control pests and diseases at the same time. Farmers need to apply pesticides multiple times to achieve the purpose of pest and disease control.

Therefore, the development of insecticidal and fungicidal compositions for preventing and controlling rice seedling diseases and insect pests has positive significance for promoting the large-scale development of agriculture.

Contents of the invention

The object of the present invention is to provide an insecticidal and fungicidal composition containing cyantraniliprole and thiafluxamide, which can simultaneously prevent and control rice pests and diseases, expand the control spectrum, and achieve multiple treatments with one drug.

For achieving the purpose of the invention, the technical scheme adopted by the present invention is:

An agricultural insecticidal and bactericidal composition, characterized in that the insecticidal and bactericidal composition contains two active components, the first active component being 3-chloro-N ¹ -(2 -Methyl-4-heptafluoroisopropylphenyl)-N ² -(1-methyl-1-cyanoethyl)phthalamide,

The second active ingredient is 2',6'-dibromo-2-methyl-4'-trifluoromethoxy-4-trifluoromethyl-1,3- Thiadiazole-5-hydroxyanilide,

And the weight ratio of the first active component to the second active component is 1:50˜50:1.

In the insecticidal and fungicidal composition of the present invention, the 3-chloro-N ¹ -(2-methyl-4-heptafluoroisopropylphenyl)-N ² -(1-methanol) represented by the above structural formula (I) -1-cyanoethyl)phthalamide referred to as "Cytraniliprole", which belongs to the phthalamide insecticides, its insecticidal activity is basically the same as that of flubendiamide, and belongs to ryanodine Receptor-acting agent insecticides, this type of compound can bind to ryanodine receptors, leading to uncontrolled and loss of Ca ²⁺ release, paralyzing the contraction function of muscle cells, and it is a compound with a new mechanism of action. The pests treated with the pesticide showed rapid cessation of feeding, fatigue, nausea and muscle paralysis, until death. This type of insecticide has a wide insecticidal spectrum, a long residual effect period, low toxicity, is environmentally friendly, and has no cross-resistance with existing various insecticides. It can effectively control various Lepidoptera pests and some Coleoptera larvae and adults, and can also be used to control pests such as ants and termites.

In the insecticidal and fungicidal composition of the present invention, 2',6'-dibromo-2-methyl-4'-trifluoromethoxy-4-trifluoromethyl-1 represented by the above structural formula (II) , 3-thiadiazole-5-hydroxyanilide, referred to as "thiafuramide", is a new type of benzamide systemic therapeutic low toxicity broad-spectrum fungicide with strong systemic conductivity and long-lasting effect. Thiofuramide is active against pathogenic fungi such as Rhizoctonia, Puccinia, Stiltia, Tilletia, Puccinia, and Sclerotinia, especially for fungi caused by Basidiomycetes. Diseases such as sheath blight and blight have special effects, and can be widely used in rice, wheat, peanuts, cotton, sugar beets, coffee, potatoes, lawns and other crops.

In the agricultural insecticidal and fungicidal composition of the present invention, the amount of active components depends on the application amount of the compound when used alone, and also depends on the ratio of one compound to another compound and the degree of synergistic effect. In the agricultural insecticidal and fungicidal composition of the present invention, the weight ratio of the first active component cyantraniliprole and the second active component thifluxamide is preferably 1:20 to 20:1, further Preferably it is 1:9 to 5:1.

The agricultural insecticidal and bactericidal composition of the present invention can be formulated as an insecticidal and bactericidal agent, and when formulated as an insecticidal and bactericidal agent, the insecticidal and bactericidal agent contains 0.5 to 95% by weight of the insecticidal and bactericidal combination substances, and the rest are agriculturally acceptable carriers and adjuvants. Further, as a preferred mode, the insecticide and fungicide contains 20% to 70% by weight of the insecticide and fungicide composition.

Suitable solid carriers include: minerals, plants, synthetic fillers and inorganic salts. The minerals include silicates, carbonates, sulfates and oxides. Silicates such as kaolin, sepiolite, nacrite, montmorillonite, mica, vermiculite, pyrophyllite, talc. Carbonates such as: calcium carbonate, dolomite. Sulfates such as ammonium sulfate, sodium sulfate, calcium sulfate. Oxides such as quicklime, magnesium lime, diatomaceous earth. Vegetables such as: citrus pomace, corn cob, chaff powder, rice husk, soybean straw powder, tobacco powder, walnut shell, sawdust. Synthetic fillers such as precipitated calcium carbonate hydrate, precipitated calcium carbonate, white carbon black. Inorganic salts such as potassium chloride, sodium chloride.

Liquid carriers include water and organic solvents. When the active ingredient is water emulsion or suspoemulsion, the organic solvent plays the role of solubilization and antifreeze. Suitable organic solvents include aromatics such as benzene, xylene, toluene, alkylbenzenes, alkylnaphthalenes, and chlorinated aromatics; chlorinated aliphatics such as vinyl chloride, chloroform, methylene chloride, chloroform, carbon tetrachloride and polychloroethanes; aliphatic hydrocarbons such as petroleum distillates, cyclohexane, light mineral oils and paraffins. Alcohols such as methanol, ethanol, isopropanol, butanol, isobutanol, ethylene glycol, propylene glycol, glycerol, fatty alcohols, etc.; ethers such as methyl glycol ether, ethyl glycol ether, petroleum ether. Ketones such as acetone, methyl ethyl ketone, methyl isobutyl ketone, cyclohexanone and isophorone, N-methyl-pyrrolidone; special solvents also include dimethylformamide, dimethyl sulfoxide, polyethylene glycol , has been nitrile; vegetable oil and methylated vegetable oil. The above-mentioned organic solvents may be used alone, or in combination, or in combination with water.

The auxiliary agent of the present invention may include one or more of surfactants, defoamers, thickeners, suspending agents and antifreezing agents as required, and may also include other auxiliary agents commonly used in this industry as required.

Surfactants can be emulsifiers, dispersants, stabilizers or wetting agents; can be ionic or nonionic. Suitable surfactants include: sodium and calcium salts of polyacrylic acid and lignosulfonic acid; polycondensation products of fatty acids or fatty amines having at least 12 carbon atoms in the molecule with ethylene oxide and/or propylene oxide; glycerol, Fatty acid esters of 1-lauryl alcohol, 1-myristyl alcohol, sorbitol, sucrose or pentaerythritol; and their polycondensation products with ethylene oxide and/or propylene oxide; sulfate salts or Sulfonates; alkali or alkaline earth metal salts, preferably sodium, of sulfuric or sulfonic acids containing at least 10 carbon atoms in the molecule, such as sodium lauryl sulfate, sodium secondary alkyl sulfate, ricinium sulfonate Sodium salt of sesame oil, sodium alkylarylsulfonate and sodium dodecylbenzenesulfonate; polymer of ethylene oxide, copolymer of ethylene oxide and propylene oxide.

Emulsifiers include nonionic emulsifiers and commercially available emulsifiers. Nonionic emulsifiers are preferably polyoxyethylene fatty acid esters, polyoxyethylene fatty alcohol ethers and polyoxyethylene fatty ammonia, such as ethoxylated castor oil, polyoxyethylene (n ₂₀ ) phenethylphenol ether oleate, Alkylaryl polyoxyethylene polyoxypropylene ether, alkylaryl formaldehyde resin polyoxyethylene ether, tristyrylphenol polyoxyethylene (n ₂₀ ), ether phosphorylated triethanolamine salt, diphenylethylphenol polyoxyethylene Oxyethylene ether (n ₁₈ ) formaldehyde condensate, diphenylphenol polyoxyethylene (n ₁₈ ) polyoxypropylene ether (n ₂₀ ), etc. Commercially available emulsifiers include: Agricultural Milk 0201B, Agricultural Milk 0203B, Agricultural Milk 100 ^# , Agricultural Milk 500 ^# , Agricultural Milk 600 ^# , Agricultural Milk 600-2 ^# , Agricultural Milk 1601, Agricultural Milk 2201, Agricultural Milk NP-10 , Nongru NP-15, Nongru 507 ^# , Nongru OX-635, Nongru OX-622, Nongru OX-653, Nongru OX-667, Nongru CS-7, Ningru 36 ^# .

The dispersant of the present invention includes: sodium lignosulfonate, pull-open powder, calcium lignosulfonate, methylnaphthalenesulfonic acid formaldehyde condensate, naphthalenesulfonic acid formaldehyde condensate, sodium methylenenaphthalenesulfonate, oil Sodium acid methyl amino ethyl sulfonate, epoxy polyether, p-tert-butyl ether, dibutyl naphthalene sulfonic acid formaldehyde condensate, phosphates such as sodium hexametaphosphate, alkylphenol polyoxyethylene phosphate, alkanes Alkylphenol polyoxyethylene ether formaldehyde condensate sulfate, N-methyl-fatty acyl-taurine sodium alkylphenol polyoxyethylene ether formaldehyde condensate, aralkylphenol polyoxyethylene ether phosphate ester alkylphenol poly Oxyethylene ether, castor oil ethylene oxide adduct, ethylene oxide-propylene oxide block copolymer alkylphenol polyoxyethylene ether formaldehyde condensate, alkylphenol polyoxyethylene polyoxypropylene ether and methyl cellulose.

The wetting agent of the present invention includes: sodium lauryl sulfate, sodium alkyl alcohol polyoxyethylene ether sulfate, octylphenol polyoxyethylene ether sulfate, alkylphenol polyoxyethylene ether formaldehyde condensate sulfate, Sodium Alkyl Sulfonate, Sodium Dodecyl Benzene Sulfonate, Sodium Alkyl Naphthalene Sulfonate, Alkyl Succinate Sulfonate, Sodium Lauryl Polyoxyethylene Ether Sulfonate, Sodium Alkylamide Taurate, Fatty alcohol polyoxyethylene ether, alkylphenol polyoxyethylene ether, polyoxyethylene polyoxypropylene block polymer, sorbitan fatty acid ester polyoxyethylene ether, etc.

The thickener of the present invention can be artificially synthesized, such as carboxymethyl alcohol, polyvinyl alcohol or polyvinyl acetate; it can also be a natural water-soluble polymer, such as xanthan gum, gelatin, gum arabic , polyvinylpyrrolidone, aluminum magnesium silicate, polyvinyl alcohol, polyethylene glycol, phenolic resin, shellac, carboxymethyl cellulose and sodium alginate, etc.

The defoaming agent described in the present invention is preferably: foam enemy, silicones, C _{8 ~ 10} fatty alcohols, C _{10 ~ 20} saturated fatty acids and amides, etc.

When the agricultural insecticide and fungicide composition of the present invention is formulated as an insecticide and fungicide, the insecticide and fungicide can be wettable powder, suspension concentrate, suspoemulsion, microemulsion, water emulsion, water dispersible granule or capsules.

When it is a wettable powder, it consists of the following components in weight percentage: 0.1% to 80% of flubendiamide, 0.1% to 80% of thifuramide, 2% to 10% of wetting agent, and 5% to 10% of dispersant , Filling 8 ~ 90%. According to the requirements of the formula, the original drug, various additives and fillers are fully mixed, and the processed product is obtained after being pulverized by an ultra-fine pulverizer.

For suspending agent, flubendiamide 0.1%-50%, thifluzamide 0.1%-60%, wetting agent 1%-5%, dispersant 1%-8%, thickener 0.1%-1%, Antifreeze 2% ~ 5%, water to make up to 100%. According to the formula requirements, use water as the medium, mix the original drug, dispersant, wetting agent, suspending agent and antifreeze, and then add it into the sand mill to grind to a certain particle size, filter and add thickener to shear Stir evenly, and prepare the suspending agent of the required concentration.

When it is a microemulsion, 0.1% to 40% of flubendiamide, 0.1% to 40% of thifuramide, 1% to 12% of emulsifier, 0% to 10% of cosolvent, 0% to 5% of stabilizer, solvent 0%～40%, make up to 100% with water. According to the requirements of the formula, all the components are put into the reaction kettle together, stirred evenly and completely dissolved, then slowly add pure water, stir while adding, and mix and stir to prepare the microemulsion.

When it is an emulsion in water, 0.1%-80% of flubendiamide, 0.1%-60% of thifuramide, 1%-20% of emulsifier, 0%-15% of co-solvent, 0%-5% of stabilizer, solvent 10%～40%, make up to 100% with water. According to the formula requirement, add all the components into the reaction kettle together, stir evenly and completely dissolve, add pure water slowly, stir while adding, and mix and stir to obtain the water emulsion.

For suspoemulsion, 0.1% to 50% of flubendiamide, 0.1% to 50% of thifuramide, 1% to 5% of solvent, 1% to 5% of dispersant, 1% to 10% of emulsifier, wetting agent 1% to 5%, stabilizer 1% to 5%, antifreeze 0% to 5%, thickener 0% to 5%, defoamer 0% to 5%, water to 100%. According to the formula requirements, one active ingredient is prepared into water emulsion according to the preparation method of water emulsion, and the other active ingredient is prepared into suspending agent according to the preparation method of suspending agent, and then the two are mixed and stirred evenly to obtain suspoemulsion.

For water dispersible granules, 0.1% to 80% of flubendiamide, 0.1% to 80% of thifuramide, 0% to 2% of surfactant, 1% to 15% of wetting agent, and 1% to 15% of dispersant %, disintegrating agent 1%~10%, stabilizer 0%~5%, and filling up to 100%. Mix and pulverize the original drug, powdery carrier, dispersant, wetting agent and filler, add water and knead, then add to a granulator equipped with a certain size screen for granulation. Then dry and sieve (according to the range of the sieve) to obtain granular products. According to the formula requirements, mix and pulverize the original drug, powdery carrier, dispersant, wetting agent and filler, add water and knead, then add to a granulator equipped with a certain size screen for granulation. Then dry and sieve (according to the range of the sieve) to obtain granular products.

For microcapsule suspensions, flubendiamide 0.1%-30%, thifuramide 0.1%-40%, emulsifier 1%-20%, solvent 1%-20%, thickener 0%-10% , 0% to 10% of antifreeze, 0% to 5% of stabilizer, 0% to 5% of defoamer, 1% to 10% of microcapsule carrier, and make up to 100% with water. The active ingredients, emulsifier, solvent and stabilizer are encapsulated into fine microcapsules with a microcapsule carrier, the particle size D90≤50μm, and water, antifreeze, thickener, and defoamer form a carrier to make a suspension system.

The agricultural insecticidal and fungicidal composition of the present invention can be directly made into a finished preparation form, that is, each material in the composition has been mixed and used directly for insecticide; (tank) for direct mixing. The concentrates of the present invention are generally mixed with water to obtain the desired concentration of active substance.

The insecticidal and bactericidal composition and the insecticidal and bactericidal agent provided by the present invention are suitable for preventing and controlling rice pests and diseases. Blight and rice smut.

The place where the insecticidal and fungicidal composition of the present invention is applied is a paddy field. The dosage of the insecticidal and fungicidal composition of the present invention in the field is preferably 100g ai/hm ² -150g ai/hm ² . The agricultural insecticidal and fungicidal composition of the present invention can be applied by common methods, such as pouring, spraying and spraying. The amount of application varies with climatic conditions or crop status, and the application time can be before or after pest damage. The duration of the protective effect is usually related to the content of the individual compounds in the composition, but also to external factors, such as climate, which can be mitigated by using appropriate formulations.

The agricultural insecticidal and fungicidal composition of the present invention can also be used in combination with other compounds with herbicidal and bactericidal properties, and can also be used in combination with nematicides, protective agents, growth regulators, plant nutrients or soil regulators.

Compared with the prior art, the insecticidal and fungicidal composition of the present invention has the following advantages:

The insecticidal and bactericidal composition can prevent and control rice pests and diseases at the same time, expand the control spectrum, achieve multiple treatments with one drug, and solve the inconvenience caused by repeated application of pesticides when various diseases and insect pests occur at the same time. Adverse effects such as drug injury that may be caused by the drug.

Detailed ways

The present invention will be further described below in conjunction with specific examples, but the present invention is not limited to these specific implementations. Those skilled in the art will realize that the present invention covers all alternatives, modifications and equivalents as may be included within the scope of the claims.

The proportioning percentages of all solid preparations in the present invention are weight percentages, and the proportioning percentages of liquid preparations are volume percentages; the treatment doses of biologically active parts are all effective contents.

1. Determination of biological activity

In order to further understand the toxicity of the combination of cyantraniliprole and thiafuramide, a large number of formulation screening tests were carried out. The test refers to the Indoor Bioassay Test Guidelines for Insecticides and Pesticides (Agricultural Industry Standard NY/T1154.7-2006) and the SOP for the Evaluation of Bioactivity of Pesticides (Insecticide Volume), and the dipping method was used for Chilo borer.

If the co-toxicity coefficient is greater than 120, it indicates a synergistic effect; if it is less than 80, it indicates an antagonistic effect; if it is greater than 80 but less than 120, it indicates an additive effect.

The combined synergistic effect of cyantraniliprole and thiafuramide is shown in Table 1 below, and the test object is Chilosuppressalis.

Table 1. Synergistic effect of mixing cyantraniliprole and thiafuramide

formula Proportion _LC50 (mg/L) co-toxicity coefficient Cyantraniliprole: Thiofuramide 1:50 0.953 106.51 Cyantraniliprole: Thiofuramide 1:20 0.981 103.46 Cyantraniliprole: Thiofuramide 1:9 0.838 121.12 Cyantraniliprole: Thiofuramide 1:7 0.813 124.85 Cyantraniliprole: Thiofuramide 1:4.8 0.804 126.24 Cyantraniliprole: Thiofuramide 1:2.5 0.810 125.30 Cyantraniliprole: Thiofuramide 1:2 0.789 128.64 Cyantraniliprole: Thiofuramide 1:1.6 0.784 129.46 Cyantraniliprole: Thiofuramide 1:1.2 0.792 128.16 Cyantraniliprole: Thiofuramide 3:1 0.904 112.28 Cyantraniliprole: Thiofuramide 5:1 0.889 114.17 Cyantraniliprole: Thiofuramide 20:1 0.978 103.78 Cyantraniliprole: Thiofuramide 50:1 1.009 100.59 Thiofuramide - >500.0 -

Cyantraniliprole - 1.015 -

Note: LC ₅₀ in the mixture is the concentration of cyantraniliprole.

From the test results in Table 1, it can be seen that the mixture of cyantraniliprole and thifluxamide has very high activity on the tested targets, and the combination of cyantraniliprole and thiafluxamide shows an additive or synergistic effect. The activity of the agent is higher than or equivalent to that of the control single agent, and the two can be compounded.

2. Preparation

Example 1: 40% cyantraniliprole-thifuramide wettable powder

Cyflunraniliprole 15%, Thiofuramide 25%, Sodium Dodecyl Benzene Sulfonate 1.8%, White Carbon Black 10%, Sodium Lignosulfonate 10%, Light Calcium Carbonate make up to 100%.

Example 2: 52% cyantraniliprole · thifuramide wettable powder

Cyflunraniliprole 20%, Thiofuramide 32%, Sodium Lauryl Sulfate 1.5%, Naphthalene Sulfonate Formaldehyde Condensate 5%, Sodium Lignosulfonate 3%, White Carbon Black 8%, Light Calcium Carbonate Top up to 100%.

Example 3: 50% cyantraniliprole and thifuramide water dispersible granules

20% cyantraniliprole, 30% thifluzamide, 15% sodium lignosulfonate, 5% sodium methylnaphthalene sulfonate formaldehyde condensate, 10% bentonite, and 100% kaolin.

Embodiment 4: 70% chloroflufluraniliprole · Thiofuramide water dispersible granules

Cyflunraniliprole 20%, Thiofuramide 50%, Sodium Lignosulfonate 15%, Sodium Naphthalene Sulfonate Formaldehyde Condensate 5%, Bentonite 10%, Kaolin Supplemented to 100%.

Example 5: 60% cyantraniliprole and thifuramide water dispersible granules

Cyflunraniliprole 20%, Thiofuramide 40%, Sodium Lignosulfonate 15%, Sodium Naphthalene Sulfonate Formaldehyde Condensate 5%, Bentonite 10%, Kaolin Supplemented to 100%.

Example 6: 25% Chlorflucyantraniliprole Thiofuramide Suspension Concentrate

Cyantraniliprole 10%, Thiofuramide 15%, Pull Opening Powder 1.5%, Soproplot SC 3%, Xanthan Gum 0.15%, Magnesium Aluminum Silicate 1.5%, 418G 0.3%, BIT 0.05%, water up to 100%.

Example 7: 22% Chlorflucytraniliprole Thiofuramide Suspension Concentrate

Cyflunraniliprole 10%, Thiofuramide 12%, Polycarboxylate 5%, White Carbon Black 0.3%, Attapulgite 1.0%, Potassium Dihydrogen Phosphate 0.2%, Ethylene Glycol 4%, Tributyl Phosphate 0.2%, make up to 100% with water.

Example 8: 35% cyantraniliprole-thifuramide suspension concentrate

Cyflunraniliprole 10%, Thiofuramide 25%, Phenylphenol Polyoxyethylene Polyoxypropylene Ether 3%, Aluminum Magnesium Silicate 1.0%, Xanthan Gum 0.1%, Propylene Glycol Polyoxyethylene Polyoxypropylene Ether 1.0 %, make up to 100% with water.

Example 9: 30% cyantraniliprole-thifuramide suspension concentrate

Cyflunraniliprole 10%, Thiofuramide 20%, Phenylphenol Polyoxyethylene Polyoxypropylene Ether 3%, Aluminum Magnesium Silicate 1.0%, Xanthan Gum 0.1%, Propylene Glycol Polyoxyethylene Polyoxypropylene Ether 1.0 %, make up to 100% with water.

Example 10: 0.6% cyantraniliprole-thifuramide microemulsion

Cyflunraniliprole 0.1%, Thiofuramide 0.5%, Isopropanol 10%, Trimethylbenzene 30%, Propylene Glycol Polyoxyethylene Polyoxypropylene Ether 20%, and water to make up to 100%.

3. Field drug efficacy test

The insecticide and fungicide prepared by embodiment 1, embodiment 2, embodiment 3, embodiment 4, embodiment 5, embodiment 6, embodiment 7, embodiment 8, embodiment 9 and embodiment 10 are effective to Chilo borer , rice leaf roller and rice sheath blight to conduct field control effect tests. The experimental site is located in Sunduan Town, Shaoxing City, Zhejiang Province, and it is a single-season hybrid rice. The application rate is 450kg/hm ² . The dosage of each preparation example is 100g ai/hm ² -120g ai/hm ² , 20% cyantraniliprole suspension: 45g ai/hm ² , 24% thifuramide suspension: 75g ai/hm ² . Use the "Hemei" HM-16A knapsack electric sprayer to spray evenly on the leaves of the plants. Plot area: 25m ² , repeated 4 times, arranged in random blocks.

Test result shows: use the insecticide bactericide of embodiment 1, embodiment 2, embodiment 3, embodiment 4, embodiment 5, embodiment 6, embodiment 7, embodiment 8, embodiment 9 and embodiment 10 preparation 10 days after application, the control effects on rice leaf roller, rice stem borer and rice sheath blight were 80.4%-96.9%, 83.2%-97.4% and 86.2%-95.4%, respectively. Under the same test conditions, the control effect of thifluzamide on rice leaf roller and rice stem borer was less than 10%, and the control effect on rice sheath blight was 84.4%. The control effects of rice stem borer and rice stem borer were 85.5% and 87.2%, respectively, and the control effects of rice sheath blight were less than 10%. It can be seen that cyantraniliprole and thiafluxamide can control rice leaf roller, rice stem borer and rice sheath blight at the same time, and the effect period is long.

Table 2. Field drug efficacy test results

Claims (10)

1. An agricultural insecticidal and bactericidal composition, characterized in that the insecticidal and bactericidal composition contains two active components, the first active component being 3-chloro-N ¹ - as shown in the following structural formula (I): (2-Methyl-4-heptafluoroisopropylphenyl)-N ² -(1-methyl-1-cyanoethyl)phthalamide, The second active ingredient is 2',6'-dibromo-2-methyl-4'-trifluoromethoxy-4-trifluoromethyl-1,3- Thiadiazole-5-hydroxyanilide, And the weight ratio of the first active component to the second active component is 1:50˜50:1. 2. The agricultural insecticidal and fungicidal composition according to claim 1, characterized in that the weight ratio of the first active component to the second active component is 1:20˜20:1. 3. The agricultural insecticidal and fungicidal composition according to claim 2, characterized in that the weight ratio of the first active component to the second active component is 1:9˜5:1. 4. According to the agricultural insecticide and fungicide composition described in one of claims 1 to 3, it is characterized in that the insecticide and fungicide composition is formulated as an insecticide and fungicide, and the insecticide and fungicide contains 0.5 by weight ~95% of the insecticidal and fungicidal composition, and the rest are agriculturally acceptable carriers and adjuvants. 5. The agricultural insecticidal and fungicidal composition according to claim 4, characterized in that the insecticidal and fungicidal agent contains 20% to 70% by weight of the insecticidal and fungicidal composition. 6. according to the described agricultural insecticide composition of claim 4, it is characterized in that said insecticide is wettable powder, suspending agent, suspoemulsion, microemulsion, water emulsion, water dispersible granule or capsule . 7. The agricultural insecticidal and fungicidal composition according to claim 6, characterized in that: the wettable powder consists of the following components by weight: the first active component is 0.1% to 80%, the second active component Active ingredient 0.1%-80%, wetting agent 2%-10%, dispersant 5%-10%, filler 8-90%; The suspension consists of the following components by weight: 0.1% to 50% of the first active component, 0.1% to 60% of the second active component, 1% to 5% of a wetting agent, and 1% of a dispersant ~8%, thickener 0.1%~1%, antifreeze 2%~5%, water to 100%; The microemulsion consists of the following components by weight: 0.1% to 40% of the first active component, 0.1% to 40% of the second active component, 1% to 12% of emulsifier, and 0% of cosolvent ～10%, stabilizer 0%～5%, solvent 0%～40%, water to 100%; The water emulsion consists of the following components by weight: 0.1% to 80% of the first active component, 0.1% to 60% of the second active component, 1% to 20% of emulsifier, and 0% of cosolvent ～15%, stabilizer 0%～5%, solvent 10%～40%, water to 100%; The suspoemulsion consists of the following components by weight: 0.1% to 50% of the first active component, 0.1% to 50% of the second active component, 1% to 5% of solvent, and 1% to 50% of dispersant 5%, emulsifier 1%~10%, wetting agent 1%~5%, stabilizer 1%~5%, antifreeze agent 0%~5%, thickener 0%~5%, defoamer 0%~ 5%, make up to 100% with water; The water-dispersible granules are composed of the following components by weight: 0.1% to 80% of the first active component, 0.1% to 80% of the second active component, 0% to 2% of surfactant, wetting 1% to 15% of agent, 1% to 15% of dispersant, 1% to 10% of disintegrant, 0% to 5% of stabilizer, filling up to 100%; The microcapsule suspension consists of the following components by weight: 0.1% to 30% of the first active component, 0.1% to 40% of the second active component, 1% to 20% of emulsifier, and 1% of solvent %~20%, thickener 0%~10%, antifreeze 0%~10%, stabilizer 0%~5%, defoamer 0%~5%, microcapsule carrier 1%~10%, water supplement Align to 100%. 8. The application of the agricultural insecticidal and fungicidal composition according to any one of claims 1 to 3, characterized in that the insecticidal and fungicidal composition is used to control rice pests and diseases. 9. According to the application of the agricultural insecticidal and fungicidal composition according to claim 8, it is characterized in that said rice pests are rice leaf rollers, rice stem borers and rice borers, and rice diseases are rice sheath blight, rice blast and Rice smut. 10. The application of the agricultural insecticidal and fungicidal composition according to claim 8, characterized in that the dosage of the insecticidal and fungicidal composition in the field is 100g ai/hm ² -150g ai/hm ² .