CN109845745B - Composition containing flucloxapyroxad and benzoylurea insecticides - Google Patents

Composition containing flucloxapyroxad and benzoylurea insecticides Download PDF

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Publication number
CN109845745B
CN109845745B CN201910056620.XA CN201910056620A CN109845745B CN 109845745 B CN109845745 B CN 109845745B CN 201910056620 A CN201910056620 A CN 201910056620A CN 109845745 B CN109845745 B CN 109845745B
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Prior art keywords
flucloxapyroxad
lufenuron
composition
hexaflumuron
diflubenzuron
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CN109845745A (en
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葛家成
吕文东
张永芳
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Hailir Pesticides and Chemicals Group Co Ltd
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Hailir Pesticides and Chemicals Group Co Ltd
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Priority to CN202110252024.6A priority Critical patent/CN112970763A/en
Priority to CN201910056620.XA priority patent/CN109845745B/en
Priority to CN202110247900.6A priority patent/CN112970762A/en
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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
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
    • A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
    • A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
    • A01N47/34—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the groups, e.g. biuret; Thio analogues thereof; Urea-aldehyde condensation products
    • 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

Abstract

The invention belongs to the field of pesticides, and particularly relates to a composition containing flucloxapyroxad and benzoyl urea pesticides. The pesticide consists of an active ingredient, a filler and an auxiliary agent, wherein the active ingredient consists of flucloxapyroxad and a benzoyl urea pesticide, and the benzoyl urea pesticide is selected from one or more of lufenuron, diflubenzuron, indoxacarb, metaflumuron, flufenoxuron, hexaflumuron, novaluron, polyfluorourea, flubenuron and triflumuron. The composition is mainly used for preventing and controlling lepidoptera pests such as plutella xylostella, asparagus caterpillar, prodenia litura, cnaphalocrocis medinalis and the like. The composition has multiple action mechanisms and sites, and can effectively delay the occurrence and development of drug resistance of pests; simple preparation process, low cost and obvious economic benefit.

Description

Composition containing flucloxapyroxad and benzoylurea insecticides
Technical Field
The invention belongs to the field of pesticides, and relates to an insecticidal composition, in particular to a composition containing flucloxapyroxad diamide and benzoyl urea insecticide.
Background
Crop diseases and insect pests are one of main agricultural disasters in China, and have the characteristics of multiple types, large influence and frequent outbreaks of disasters, and the occurrence range and the severity of the crop diseases and insect pests cause great losses to national economy of China, particularly agricultural production. The following kinds of plant diseases and insect pests are common for crops in China: the chemical pesticide has the advantages that rice leaf rollers, chilo suppressalis, asparagus caterpillar, plutella xylostella, rice planthoppers, powdery mildew, corn borers, cotton bollworms, wheat rust diseases, cotton aphids, rice sheath blight, rice blast, wheat aphids, wheat red spiders, locust, wheat scab and the like become serious plant diseases and insect pests seriously affecting agricultural production in China, and as chemical pesticide is used for a long time for preventing and controlling, the insect pests generate different degrees of pesticide resistance to various chemical pesticides such as organic chlorine, organic phosphorus, carbamate, pyrethroid and the like, the prevention and control effect is obviously reduced, so that farmers have to increase the dosage to improve the prevention and control effect, but the safety of agricultural products is reduced.
The flucloxapyroxad is a novel compound which is independently innovated and developed by the company, belongs to benzamide pesticides, and can efficiently activate insect ryanodine (muscle) receptors so as to excessively release calcium ions in intracellular calcium libraries, thereby leading to paralysis and death of insects. The insecticidal composition has high activity on larvae of lepidoptera pests, broad insecticidal spectrum and good persistence, and the active ingredients show extremely obvious selectivity difference on mammal and pests ryanodine receptors, so that the safety on mammals and other vertebrates is greatly improved.
Indoor toxicity measurement verification shows that the flucloxapyroxad diamide has higher insecticidal activity on lepidoptera pests such as chilo suppressalis, corn borer, armyworm, plutella xylostella, asparagus caterpillar and the like; the field test shows that the flubendiamide has better control effect on cnaphalocrocis medinalis and plutella xylostella.
The benzoyl urea pesticide has main component of benzoyl urea compound (BU), is one kind of Insect Growth Regulator (IGRs) capable of inhibiting chitin synthesis of target pest to kill or sterility, and is known as third-generation pesticide or new insect control agent.
Common benzoylurea insecticides include lufenuron, diflubenzuron, indoxacarb, metaflumizone, flucycloxuron, flufenoxuron, hexaflumuron, triflumuron, hexaflumuron and the like.
The insecticidal composition provided by the invention has the beneficial effects that: (1) Compared with a single agent, the insecticidal composition has a synergistic effect on insect pest control and improves the insecticidal effect; (2) The cost of medication is reduced, and the environmental pollution and pesticide residue are reduced; (3) The composition consists of active ingredients with different action mechanisms, and the action sites are increased, so that the composition is beneficial to overcoming and delaying the generation of drug resistance of pests.
Disclosure of Invention
The invention aims to obtain an insecticidal composition after reasonably mixing fluchlordiamide with one or more benzoyl urea insecticides selected from lufenuron, chlorfluazuron, indoxacarb, metaflumizone, flucycloxuron, flufenoxuron, novaluron, diflunisal, flufenoxuron and triflumuron, preferably mixing fluchlorfluazuron with one insecticide selected from chlorfluazuron, lufenuron and hexaflumuron, and being used for preventing and controlling lepidoptera pests, effectively delaying the development of drug resistance of the pests and reducing the medication cost.
The technical scheme of the invention is as follows: the composition containing the flucloxapyroxad and the benzoylurea insecticide is characterized in that a reasonable formula of the flucloxapyroxad and the benzoylurea insecticide is defined through an indoor formula screening test and a mixed agent pharmacodynamic test, namely the weight ratio of the flucloxapyroxad to the lufenuron is 1:10-5:1; the weight ratio of the flucloxapyroxad to the diflubenzuron is 1:5-5:1; the weight ratio of the flucloxapyroxad to the hexaflumuron is 1:5-5:1. Further preferred are: the weight ratio of the flucloxapyroxad to the lufenuron is 1:2-2:1; the weight ratio of the flucloxapyroxad to the diflubenzuron is 1:2-2:1; the weight ratio of the flucloxapyroxad to the hexaflumuron is 1:3-2:1.
The insecticidal composition comprises 1-80% of active ingredients by mass percent in the preparation. The balance is auxiliary components which are allowed to be used and can be accepted in the pesticide.
The composition consists of active ingredient flucloxapyroxad, benzamide insecticide and auxiliary ingredient allowed by pesticides.
The pesticide auxiliary ingredients used in the composition of the present invention include carriers and adjuvants.
Further, the carrier is one, two or three of water, solvent or filler, and the water is preferably deionized water.
Further, the solvent is selected from the group consisting of N, N-dimethylformamide, cyclohexanone, toluene, xylene, dimethyl sulfoxide, methanol, ethanol, trimethylcyclohexanone, N-octyl pyrrolidone, ethanolamine, triethanolamine, isopropylamine. N-methylpyrrolidone, propanol, butanol, ethylene glycol, diethylene glycol, ethylene glycol methyl ether, butyl ether, ethanolamine, isopropylamine, ethyl acetate or acetonitrile.
Further, the filler is selected from one or a mixture of more of kaolin, diatomite, bentonite, attapulgite, white carbon black, starch or light calcium carbonate.
Further, the auxiliary agent at least comprises a surfactant, and other functional auxiliary agents such as an antifreezing agent, a thickening agent, a stabilizing agent, a disintegrating agent, a defoaming agent and the like can be added according to different use occasions and requirements.
Further, the surfactant is one or four selected from an emulsifier, a dispersant, a wetting agent or a penetrating agent. The surfactant is a single agent or a compound preparation of a common nonionic surfactant or an anionic surfactant.
Further, the other functional auxiliary agents are selected from one or five of antifreezing agents, thickening agents, stabilizing agents, disintegrating agents or defoaming agents.
Further, the emulsifier is selected from one or more of nonylphenol 500# (calcium alkylbenzenesulfonate), OP series phosphate (nonylphenol polyoxyethylene ether phosphate), 600# phosphate (phenylphenol polyoxyethylene ether phosphate), styrene polyoxyethylene ether ammonium sulfate, magnesium alkyldiphenyl ether disulfonate, triethanolamine salt, nonylphenol 400# (benzyl dimethyl phenol polyoxyethylene ether), nonylphenol 700# (alkylphenol formaldehyde resin polyoxyethylene ether), nonylphenol 36# (phenethyl phenol formaldehyde resin polyoxyethylene ether), nonylphenol 1600# (phenethyl phenol polyoxyethylene polypropylene ether), ethylene oxide-propylene oxide block copolymer, OP series (nonylphenol polyoxyethylene ether), BY series (castor oil polyoxyethylene ether), nonylphenol 33# (alkylaryl polyoxyethylene polyoxypropylene ether), span series (sorbitan monostearate) polyoxyethylene ether), tween series (sorbitan polyoxyethylene ether) or AEO series (fatty alcohol polyoxyethylene ether).
Further, the dispersing agent is selected from one or more of polycarboxylate, lignosulfonate, alkylphenol ethoxylate formaldehyde condensate sulfate, calcium alkylbenzenesulfonate, naphthalene sulfonate formaldehyde condensate sodium salt, alkylphenol ethoxylate, fatty amine ethoxylate, fatty acid ethoxylate or glycerin fatty acid ester ethoxylate.
Further, the wetting agent is selected from one or more of sodium dodecyl sulfate, sodium dodecyl benzene sulfonate, nekal BX, wetting penetrating agent F, chinese honeylocust fruit powder, silkworm excrement or soapberry powder.
Further, the penetrating agent is selected from one or a mixture of more of penetrating agent JFC (fatty alcohol polyoxyethylene ether), penetrating agent T (diisooctyl maleate sulfonate), azone or organic silicon.
Further, the antifreezing agent is selected from one or a mixture of more of ethylene glycol, propylene glycol, glycerol or urea.
Further, the thickener is selected from one or more of xanthan gum, polyvinyl alcohol, bentonite, carboxymethyl cellulose or magnesium aluminum silicate.
Further, the stabilizer is selected from one or a mixture of more of epoxidized soybean oil, epichlorohydrin, BHT, ethyl acetate and triphenyl phosphate.
Further, the disintegrating agent is selected from one or a mixture of more of bentonite, urea, ammonium sulfate, aluminum chloride, low-substituted hydroxypropyl cellulose, lactose, citric acid, succinic acid or sodium bicarbonate.
Further, the defoamer is selected from one or a mixture of more of silicone oil, silicone compounds, C10-C20 saturated fatty acid compounds or C8-C10 fatty alcohol compounds.
All of the above materials are commercially available.
The insecticidal composition of the present invention may be diluted by a user before use or used directly. The preparation can be carried out by a processing method generally known to those skilled in the art, that is, mixing the active ingredient with a liquid solvent or a solid carrier, and adding one or more of a surfactant, a stabilizer, a wetting agent, a binder, a disintegrant, an anti-freezing agent, and the like. The insecticidal composition can be processed into any pesticide acceptable dosage form according to the requirement, wherein the preferred dosage form is as follows: suspending agents, wettable powder, microemulsions and water dispersible granules.
The composition comprises the following components in percentage by weight when being prepared into a suspending agent: 0.5 to 50 percent of active ingredient A, 0.5 to 50 percent of active ingredient B, 1 to 10 percent of dispersing agent, 1 to 10 percent of wetting agent, 0.01 to 2 percent of defoaming agent, 0 to 2 percent of thickening agent, 0 to 8 percent of antifreeze agent and the balance of deionized water.
The composition is prepared into wettable powder and comprises the following components in percentage by weight: 0.5 to 60 percent of active ingredient A, 0.5 to 80 percent of active ingredient B, 1 to 12 percent of dispersing agent, 1 to 8 percent of wetting agent and the balance of filler.
The composition comprises the following components in percentage by weight when being prepared into a microemulsion: 0.5 to 50 percent of active ingredient A, 0.5 to 50 percent of active ingredient B, 3 to 25 percent of emulsifier, 1 to 10 percent of solvent, 0 to 8 percent of antifreeze agent, 0.01 to 2 percent of defoamer and deionized water which make up the balance.
The composition comprises the following components in percentage by weight when being prepared into water dispersible granules: 0.5 to 60 percent of active ingredient A, 0.5 to 80 percent of active ingredient B, 1 to 12 percent of dispersing agent, 1 to 8 percent of wetting agent, 1 to 10 percent of disintegrating agent, 0 to 8 percent of binding agent and the balance of filling material.
The invention has the following remarkable effects and advantages: (1) Compared with a single agent, the insecticidal composition has a synergistic effect on insect pest control and improves the insecticidal effect; (2) The cost of medication is reduced, and the environmental pollution and pesticide residue are reduced; (3) The composition consists of active ingredients with different action mechanisms, and the action sites are increased, so that the composition is beneficial to overcoming and delaying the generation of drug resistance of pests.
Description of the preferred embodiments
The invention will be further illustrated with reference to the following examples, in which the percentages are by weight, but the invention is not limited thereto.
Example 1:18% Flucoxapa-lufenuron suspending agent (5:4)
The formula comprises the following components: 10% of flucloxapyroxad, 8% of lufenuron, 4% of lignosulfonate, 3.2% of fenpull-off powder BX, 0.9% of silicone oil, 2% of xanthan gum, 2% of ethylene glycol and the balance of deionized water.
The preparation method comprises the following steps: according to the formula proportion, the active ingredients of flucloxapyroxad, lufenuron, a surfactant and other functional additives are sequentially placed in a reaction kettle, water is added and mixed uniformly, and the product is obtained through high-speed shearing, wet sanding and homogenizing and filtering. The main equipment is a batching kettle, a colloid mill or a homogenizing mixer and a sand mill.
Example 2:30% Flucoxapa-lufenuron suspending agent (1:2)
The formula comprises the following components: 10% of flucloxapyroxad, 20% of lufenuron, 4% of alkylphenol polyoxyethylene, 5% of fenpull-open powder BX, 0.5% of silicone oil, 0.7% of xanthan gum, 5% of urea and the balance of deionized water.
The preparation method comprises the following steps: as above.
Example 3:40% Flucoxapa-lufenuron suspending agent (1:1)
The formula comprises the following components: 20% of flucloxapyroxad, 20% of lufenuron, 6% of lignosulfonate, 5% of sodium dodecyl sulfate, 0.6% of silicone oil, 1% of xanthan gum, 4% of ethylene glycol and the balance of deionized water.
The preparation method comprises the following steps: as above.
Example 4:20% Flucoxapa-diflubenzuron suspension (2:3)
The formula comprises the following components: 8% of flucloxapyroxad, 12% of diflubenzuron, 5% of alkylphenol ethoxylates, 4% of nekal BX, 0.6% of silicone oil, 1% of xanthan gum, 3% of urea and the balance of deionized water.
The preparation method comprises the following steps: as above.
Example 5:12% Flucoxapa-diflubenzuron suspension (1:1)
The formula comprises the following components: 6% of flucloxapyroxad, 6% of diflubenzuron, 5% of lignosulfonate, 3% of nekal BX, 0.5% of silicone oil, 1.2% of xanthan gum, 3% of glycol and the balance of deionized water.
The preparation method comprises the following steps: as above.
Example 6:30% Flucoxapa-diflubenzuron suspension (1:2)
The formula comprises the following components: 10% of fluchlorantraniliprole, 20% of diflubenzuron, 4% of alkylphenol ethoxylates, 2.8% of sodium dodecyl sulfate, 0.7% of silicone oil, 1% of xanthan gum, 4% of urea and the balance of deionized water.
The preparation method comprises the following steps: as above.
Example 7:16% Flucopiamide-hexaflumuron suspending agent (1:1)
The formula comprises the following components: 8% of flucloxapyroxad, 8% of hexaflumuron, 4% of lignosulfonate, 2.8% of nekal BX, 0.6% of silicone oil, 0.9% of xanthan gum, 5% of glycol and the balance of deionized water.
The preparation method comprises the following steps: as above.
Example 8:15% Flucopiamide-hexaflumuron suspending agent (1:2)
The formula comprises the following components: 5% of flucloxapyroxad, 10% of hexaflumuron, 8% of alkylphenol ethoxylates, 5% of sodium dodecyl sulfate, 1.6% of silicone oil, 0.9% of xanthan gum, 7% of urea and the balance of deionized water.
The preparation method comprises the following steps: as above.
Example 9:6% Flucopiamide-hexaflumuron suspending agent (2:1)
The formula comprises the following components: 4% of flucloxapyroxad, 2% of hexaflumuron, 5% of lignosulfonate, 4% of nekal BX, 0.6% of silicone oil, 1% of xanthan gum, 3% of glycol and the balance of deionized water.
The preparation method comprises the following steps: as above.
Example 10:11% Flucoxapa-lufenuron microemulsion (1:10)
The formula comprises the following components: 1% of flucloxapyroxad and 10% of lufenuron; 3% of N, N-dimethylformamide, 11% of calcium alkyl benzene sulfonate and the balance of deionized water.
The preparation method comprises the following steps: according to the formula proportion of the embodiment, the active ingredients of the flucloxapyroxad and the lufenuron are completely dissolved by using a solvent and a cosolvent, then other auxiliary agents are added, the mixture is uniformly mixed, finally water is added, and the microemulsion preparation is obtained after full stirring.
The preparation method comprises the following steps: as above.
Example 11:3% Flucoxapa-lufenuron microemulsion (1:2)
The formula comprises the following components: 1% of flucloxapyroxad and 2% of lufenuron; n, N-dimethylformamide 5%, alkylphenol formaldehyde resin polyoxyethylene ether 9%, deionized water makes up the balance.
The preparation method comprises the following steps: as above.
Example 12:9% Flucoxapa-lufenuron microemulsion (5:4)
The formula comprises the following components: flucoxapyroxad 5%, lufenuron 4%; n, N-dimethylformamide 4%, alkylphenol formaldehyde resin polyoxyethylene ether 9%, deionized water makes up the balance.
The preparation method comprises the following steps: as above.
Example 13:5% Flucoxapa-diflubenzuron microemulsion (1:1)
The formula comprises the following components: 2.5% of fluchlorantraniliprole, 2.5% of diflubenzuron, 5% of N, N-dimethylformamide, 12% of calcium alkylbenzenesulfonate and the balance of deionized water.
The preparation method comprises the following steps: as above.
Example 14:6% Flucoxapa-diflubenzuron microemulsion (1:5)
The formula comprises the following components: 1% of fluchlorantraniliprole, 5% of diflubenzuron, 7% of N, N-dimethylformamide, 2% of calcium alkylbenzenesulfonate and the balance of deionized water.
The preparation method is the same as above.
Example 15:4% Flucoxapa-diflubenzuron microemulsion (3:1)
The formula comprises the following components: 3% of fluchlorantraniliprole, 1% of diflubenzuron, 6% of N, N-dimethylformamide, 9% of calcium alkylbenzenesulfonate and the balance of deionized water.
The preparation method comprises the following steps: as above.
Example 16:5% Flucopiamide-hexaflumuron microemulsion (1:4)
The formula comprises the following components: 1% of flucloxapyroxad, 4% of hexaflumuron, 1% of N, N-dimethylformamide, 11% of alkylphenol formaldehyde resin polyoxyethylene ether and the balance of deionized water.
The preparation method comprises the following steps: as above.
Example 17:6% Flucopiamide-hexaflumuron microemulsion (5:1)
The formula comprises the following components: 5% of flucloxapyroxad, 1% of hexaflumuron, 6% of N, N-dimethylformamide, 9% of calcium alkylbenzenesulfonate and the balance of deionized water.
The preparation method comprises the following steps: as above.
Example 18:2% Flucopiamide-hexaflumuron microemulsion (1:1)
The formula comprises the following components: 1% of flucloxapyroxad, 1% of hexaflumuron, 6% of N, N-dimethylformamide, 9% of calcium alkylbenzenesulfonate and the balance of deionized water.
The preparation method comprises the following steps: as above.
Example 19:18% flucloxapyroxad lufenuron wettable powder (5:4)
The formula comprises the following components: 10% of flucloxapyroxad, 8% of lufenuron, 3.5% of fatty amine polyoxyethylene ether, 3% of nekal BX and the balance of diatomite.
The preparation method comprises the following steps: according to the formula proportion of the embodiment, the active ingredients of the flucloxapyroxad and the lufenuron are added into a carrier, and a surfactant and other functional auxiliary agents are added into the carrier for mixing, and the wettable powder is prepared by mixing after jet milling. The main equipment is a mixer and an air flow pulverizer.
Example 20:20% flucloxapyroxad lufenuron wettable powder (1:3)
The formula comprises the following components: 5% of flucloxapyroxad and 15% of lufenuron; 1.5% of lignosulfonate, 2% of nekal BX and the balance of white carbon black.
The preparation method comprises the following steps: as above.
Example 21:15% flucloxapyroxad lufenuron wettable powder (1:2)
The formula comprises the following components: 5% of flucloxapyroxad and 10% of lufenuron; 3% of lignosulfonate, 4% of nekal BX and the balance of kaolin.
The preparation method comprises the following steps: as above.
Example 22:20% Flucoxapa-diflubenzuron wettable powder (1:3)
The formula comprises the following components: 5% of flucloxapyroxad, 15% of diflubenzuron, 5% of lignosulfonate, 3% of sodium dodecyl benzene sulfonate, 2% of nekal BX and the balance of kaolin.
The preparation method comprises the following steps: as above.
Example 23:18% flucloxapyroxad-diflubenzuron wettable powder (1:1)
The formula comprises the following components: the composition comprises 9% of fluchlorantraniliprole, 9% of diflubenzuron, 3.5% of fatty amine polyoxyethylene ether, 3% of nekal BX and the balance of diatomite.
The preparation method comprises the following steps: as above.
Example 24:15% Flucoxapa-diflubenzuron wettable powder (2:3)
The formula comprises the following components: 6% of flucloxapyroxad, 9% of diflubenzuron, 7% of fatty amine polyoxyethylene ether, 4% of sodium dodecyl benzene sulfonate and the balance of diatomite.
The preparation method comprises the following steps: as above.
Example 25:30% Flucoxapyroxad-hexaflumuron wettable powder (1:1)
The formula comprises the following components: 15% of flucloxapyroxad, 15% of hexaflumuron, 7% of polycarboxylate, 4% of sodium dodecyl benzene sulfonate and the balance of kaolin.
The preparation method comprises the following steps: as above.
Example 26:16% flucloxapyroxad-hexaflumuron wettable powder (1:3)
The formula comprises the following components: 4% of flucloxapyroxad, 12% of hexaflumuron, 1% of fatty amine polyoxyethylene ether, 3% of sodium dodecyl benzene sulfonate and the balance of kaolin.
The preparation method comprises the following steps: as above.
Example 27:30% Flucoxapyroxad-hexaflumuron wettable powder (1:2)
The formula comprises the following components: the composition comprises 10% of flucloxapyroxad, 20% of hexaflumuron, 5% of alkylphenol ethoxylates, 3% of wetting penetrant F and the balance of diatomite.
The preparation method comprises the following steps: as above.
Example 28:15% flucloxapyroxad-lufenuron water dispersible granule (1:1)
The formula comprises the following components: 7.5% of flucloxapyroxad, 7.5% of lufenuron, 4% of lignosulfonate, 3% of sodium dodecyl benzene sulfonate, 5% of aluminum chloride and the balance of white carbon black.
The preparation method comprises the following steps: according to the formula proportion of the embodiment, the active ingredients of flucloxapyroxad and lufenuron are added into a carrier, and a surfactant and other functional auxiliary agents are added into the carrier, mixed, subjected to jet milling, added with 10-25% of water, and then kneaded, granulated, dried and screened to prepare a water dispersible granule product; or spraying water, granulating, drying, and sieving to obtain the final product. The main equipment includes mixer, jet mill, kneader, extrusion granulator, drying room or fluidized bed, or boiling granulator, sieving machine.
Example 29:30% flucloxapyroxad-lufenuron water dispersible granule (1:2)
The formula comprises the following components: flucoxapyroxad 10%, lufenuron 20%, lignosulfonate, nekal BX, aluminum chloride and kaolin are used for the balance.
The preparation method comprises the following steps: as above.
Example 30:18% flucloxapyroxad lufenuron water dispersible granule (5:4)
The formula comprises the following components: 10% of flucloxapyroxad, 8% of lufenuron, 4% of naphthalene sulfonic acid formaldehyde condensate sodium salt, 6% of sodium dodecyl benzene sulfonate, 6% of bentonite and the balance of white carbon black.
The preparation method comprises the following steps: as above.
Example 31:30% flubendiamide-diflubenzuron water dispersible granule (1:1)
The formula comprises the following components: 15% of fluchlorantraniliprole, 15% of diflubenzuron, 8% of lignosulfonate, 5% of nekal BX, 4% of aluminum chloride and the balance of white carbon black.
The preparation method comprises the following steps: as above.
Example 32:18% flubendiamide-diflubenzuron water dispersible granule (1:5)
The formula comprises the following components: 3% of fluchlorantraniliprole, 15% of diflubenzuron, 3% of lignosulfonate, 7% of nekal BX, 5% of aluminum chloride and the balance of kaolin.
The preparation method comprises the following steps: as above.
Example 33:20% flubendiamide-diflubenzuron water dispersible granule (3:1)
The formula comprises the following components: the flucloxapyroxad is 15%, the diflubenzuron is 5%, the naphthalene sulfonic acid formaldehyde condensate sodium salt is 5%, the nekal BX is 4%, the aluminum chloride is 8%, and the kaolin is the balance.
The preparation method comprises the following steps: as above.
Example 34:20% Flucoxapyroxad-hexaflumuron water dispersible granule (1:1)
The formula comprises the following components: flucopiamide 10%, hexaflumuron 10%, lignosulfonate 5%, sodium dodecyl benzene sulfonate 6%, bentonite 7% and white carbon black the balance.
The preparation method comprises the following steps: as above.
Example 35:12% Flucoxapyroxad-hexaflumuron water dispersible granule (5:1)
The formula comprises the following components: 10% of flucloxapyroxad, 2% of hexaflumuron, 6% of naphthalene sulfonic acid formaldehyde condensate sodium salt, 8% of nekal BX, 6% of aluminum chloride and the balance of kaolin.
The preparation method comprises the following steps: as above.
Example 36:10% flubendiamide-hexaflumuron water dispersible granule (1:1)
The formula comprises the following components: 5% of flucloxapyroxad, 5% of hexaflumuron, 5% of lignosulfonate, 8% of sodium dodecyl benzene sulfonate, 6% of aluminum chloride and the balance of kaolin.
The preparation method comprises the following steps: as above.
Active cases
Example 37: indoor activity test of insecticidal compositions containing flucloxapyroxad.
The embodiment of the invention adopts a method combining indoor toxicity measurement and field test, firstly, the co-toxicity coefficient (CTC) of two medicaments compounded according to a certain proportion is determined through the indoor toxicity measurement, CTC is smaller than 80 and is antagonism, CTC is larger than 120 and is synergistic, and the sum of the CTC and the CTC is between 80 and 120, and then the field test is carried out on the basis.
The test method comprises the following steps: soaking leaf in the liquid for 10s, taking out, naturally drying, placing into insect-raising box, inoculating test larva, and raising at 25deg.C. Repeating for 4 times, repeating for 20 times, setting blank control, checking dead number after receiving insects for 48 hr, calculating death rate and correcting death rate, calculating virulence regression equation, and calculating LC 50 Values. If the control mortality rate is > 10%, it is considered as an ineffective test. The calculation formula is as follows:
in LC form 50 The agent having a relatively small value is a standard agent, and its toxicity index TI is 100.
Mixed agent theoretical toxicity index tti=ti A ×P A +TI B ×P B
Wherein: p (P) A 、P B The proportion of the respective active ingredient A, B in the composition.
Wherein A is flucloxapyroxad, and B is one of diflubenzuron, lufenuron and hexaflumuron.
TABLE 1 determination of the indoor Combined toxicity of Fluorpdiamide and lufenuron mixtures to asparagus caterpillar
As can be seen from table 1, the mixture of the flucloxapyroxad and the lufenuron has a better synergistic effect on asparagus caterpillar, the co-toxicity coefficient is greater than 120 when the weight ratio of the flucloxapyroxad to the lufenuron is 1:50-50:1, wherein the co-toxicity coefficient is greater than 170 when the weight ratio of the flucloxad-bisamide to the lufenuron is 1:10-5:1, the co-toxicity coefficient is greater than 200 when the weight ratio of the flucloxapyroxad-bisamide to the lufenuron is 1:2-2:1, and the co-toxicity coefficient is 289.07 when the weight ratio of the flucloxad-bisamide to the lufenuron is 1:1. Indoor activity tests show that the compound preparation of the flucloxapyroxad and lufenuron has rationality and feasibility for preventing and controlling asparagus caterpillar.
TABLE 2 determination of indoor Combined toxicity of Fluocloprid bisamide and diflubenzuron mixture to spodoptera exigua
As can be seen from table 2, the mixture of flubendiamide and diflubenzuron has a good control effect on spodoptera exigua, the co-toxicity coefficient of the mixture is greater than 120 when the weight ratio of flubendiamide to diflubenzuron is 1:50-50:1, the co-toxicity coefficient of the mixture is greater than 170 when the weight ratio of flubendiamide to diflubenzuron is 1:30-10:1, the co-toxicity coefficient of the mixture is greater than 200 when the weight ratio of flubendiamide to diflubenzuron is 1:2-2:1, and the co-toxicity coefficient of the flubendiamide to diflubenzuron is 289.73 when the weight ratio of flubendiamide to diflubenzuron is 1:1, and the obvious synergistic effect is shown. Indoor activity tests show that the compound preparation of the flucloxapyroxad and the diflubenzuron has rationality and feasibility for preventing and controlling asparagus caterpillar.
TABLE 3 determination of the indoor Combined toxicity of Fluorpdiamide and hexaflumuron mixtures to spodoptera exigua
As can be seen from table 3, the blend of the flubendiamide and the hexaflumuron has a better control effect on asparagus caterpillar, the blend has a co-toxicity coefficient of more than 120 when the weight ratio of the flubendiamide to the hexaflumuron is 1:50-50:1, the blend has a co-toxicity coefficient of more than 170 when the weight ratio of the flubendiamide to the hexaflumuron is 1:5-5:1, the blend has a co-toxicity coefficient of more than 200 when the weight ratio of the flubendiamide to the hexaflumuron is 1:3-2:1, and the blend has a co-toxicity coefficient of 288.50 when the weight ratio of the flubendiamide to the hexaflumuron is 1:1, which shows a remarkable synergistic effect. Indoor activity tests show that the compound preparation of the flubendiamide and the hexaflumuron has rationality and feasibility for preventing and controlling asparagus caterpillar.
Case of field efficacy
Example 38: field efficacy test for preventing and controlling asparagus caterpillar
Test crop: cabbage is summer light;
control object: beet armyworm;
test agent: samples processed by the methods of the above examples
Test site: the test was performed at the halier pharmaceutical industry test base.
Investigation time number: a total of 4 surveys were investigated. The cardinal numbers were investigated prior to dosing and the results were obtained 3 days, 5 days, and 10 days after dosing.
Table 4 field test of Fluochlorantraniliprole and benzoylurea insecticides for controlling cabbage looper
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As shown in Table 4, the field control effect of the flucloxapyroxad and the benzoyl urea insecticide after being mixed is over 90 percent, and the lasting period is long.
The composition has no obvious adverse effect on test crops, has good safety, meets the safety requirement of pesticide preparations, and can effectively reduce the medication cost and reduce the generation of drug resistance.

Claims (5)

1. The composition containing the flucloxapyroxad and the benzoylurea insecticide is characterized in that the effective components of the composition are an active component A and an active component B, wherein the active component A is flucloxapyroxad, the active component B is lufenuron, and the weight ratio of the flucloxapyroxad to the lufenuron is 1:10-5:1.
2. The composition according to claim 1, wherein the weight ratio of flucloxapyroxad to lufenuron is from 1:2 to 2:1.
3. The composition according to claim 1, wherein the sum of the weight of the flucloxapyroxad and lufenuron is 1-80% by weight of the composition.
4. The composition of claim 1, wherein the composition is capable of being formulated as a suspension, microemulsion, wettable powder or water dispersible granule.
5. Use of a composition according to any one of claims 1 to 4, characterized in that it is the use of a composition for controlling beet armyworm.
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