CN117136960A - Insecticidal composition containing fluxapyroxad - Google Patents
Insecticidal composition containing fluxapyroxad Download PDFInfo
- Publication number
- CN117136960A CN117136960A CN202310103342.5A CN202310103342A CN117136960A CN 117136960 A CN117136960 A CN 117136960A CN 202310103342 A CN202310103342 A CN 202310103342A CN 117136960 A CN117136960 A CN 117136960A
- Authority
- CN
- China
- Prior art keywords
- active ingredient
- insecticidal composition
- pests
- fluxapyroxad
- spinosad
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 230000000749 insecticidal effect Effects 0.000 title claims abstract description 19
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- 230000000853 biopesticidal effect Effects 0.000 description 1
- RYAGRZNBULDMBW-UHFFFAOYSA-L calcium;3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Ca+2].COC1=CC=CC(CC(CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O RYAGRZNBULDMBW-UHFFFAOYSA-L 0.000 description 1
- RNWGYDIGXJHCHP-UHFFFAOYSA-L calcium;dodecane-1-sulfonate Chemical compound [Ca+2].CCCCCCCCCCCCS([O-])(=O)=O.CCCCCCCCCCCCS([O-])(=O)=O RNWGYDIGXJHCHP-UHFFFAOYSA-L 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000004359 castor oil Substances 0.000 description 1
- 235000019438 castor oil Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 229960001681 croscarmellose sodium Drugs 0.000 description 1
- 229960000913 crospovidone Drugs 0.000 description 1
- 235000010947 crosslinked sodium carboxy methyl cellulose Nutrition 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000007884 disintegrant Substances 0.000 description 1
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 description 1
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical group [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 235000019256 formaldehyde Nutrition 0.000 description 1
- 235000012055 fruits and vegetables Nutrition 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- MGIYRDNGCNKGJU-UHFFFAOYSA-N isothiazolinone Chemical compound O=C1C=CSN1 MGIYRDNGCNKGJU-UHFFFAOYSA-N 0.000 description 1
- CTAPFRYPJLPFDF-UHFFFAOYSA-N isoxazole Chemical compound C=1C=NOC=1 CTAPFRYPJLPFDF-UHFFFAOYSA-N 0.000 description 1
- 238000010902 jet-milling Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 229940031703 low substituted hydroxypropyl cellulose Drugs 0.000 description 1
- 239000003120 macrolide antibiotic agent Substances 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical compound CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 description 1
- JPMIIZHYYWMHDT-UHFFFAOYSA-N octhilinone Chemical compound CCCCCCCCN1SC=CC1=O JPMIIZHYYWMHDT-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229910052625 palygorskite Inorganic materials 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000151 polyglycol Polymers 0.000 description 1
- 239000010695 polyglycol Substances 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 235000013809 polyvinylpolypyrrolidone Nutrition 0.000 description 1
- 229920000523 polyvinylpolypyrrolidone Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- MILWSGRFEGYSGM-UHFFFAOYSA-N propane-1,2-diol;propane-1,2,3-triol Chemical compound CC(O)CO.OCC(O)CO MILWSGRFEGYSGM-UHFFFAOYSA-N 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229930000044 secondary metabolite Natural products 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 description 1
- 239000004299 sodium benzoate Substances 0.000 description 1
- 235000010234 sodium benzoate Nutrition 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 229960001407 sodium bicarbonate Drugs 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229960002668 sodium chloride Drugs 0.000 description 1
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- HIEHAIZHJZLEPQ-UHFFFAOYSA-M sodium;naphthalene-1-sulfonate Chemical compound [Na+].C1=CC=C2C(S(=O)(=O)[O-])=CC=CC2=C1 HIEHAIZHJZLEPQ-UHFFFAOYSA-M 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 229940032147 starch Drugs 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical class OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 229940104261 taurate Drugs 0.000 description 1
- XOAAWQZATWQOTB-UHFFFAOYSA-N taurine Chemical compound NCCS(O)(=O)=O XOAAWQZATWQOTB-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- BSYVTEYKTMYBMK-UHFFFAOYSA-N tetrahydrofurfuryl alcohol Chemical compound OCC1CCCO1 BSYVTEYKTMYBMK-UHFFFAOYSA-N 0.000 description 1
- 238000002723 toxicity assay Methods 0.000 description 1
- 229940045136 urea Drugs 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 239000000230 xanthan gum Substances 0.000 description 1
- 235000010493 xanthan gum Nutrition 0.000 description 1
- 229920001285 xanthan gum Polymers 0.000 description 1
- 229940082509 xanthan gum Drugs 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- 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
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/80—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2
-
- 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
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/22—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom rings with more than six members
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
- A01P7/00—Arthropodicides
- A01P7/04—Insecticides
Abstract
The invention provides a fluxapyroxad-containing insecticidal composition, which comprises an active ingredient A and an active ingredient B, wherein the active ingredient A is fluxapyroxad, the active ingredient B is spinosad or spinetoram, and the mass ratio of the active ingredient A to the active ingredient B is 20:1-1:30; the total weight of the active component A and the active component B in the insecticidal composition accounts for 1-90% of the total weight of the insecticidal composition, and the dosage forms are wettable powder, water dispersible granules, aqueous emulsion, microemulsion, suspending agent, dispersible oil suspending agent and the like. The insecticidal composition has a certain synergistic effect on agricultural pests, can improve the control effect, reduce the cost, and can effectively delay the generation of drug resistance of the pests and protect the environment.
Description
Technical Field
The invention belongs to the technical field of pesticide compounding, and particularly relates to an insecticidal composition containing fluxapyroxad.
Background
Fluoxazolamide, english name: fluxamethamide, chemical name: (4- [5- (3, 5-dichlorophenyl) -4, 5-dihydro-5- (trifluoromethyl) -3-isoxazolyl ] -N- [ (methoxyamino) methylene ] -2-methylbenzamide, belongs to isoxazole pesticides developed by Nissan chemical Co., ltd, and has the action mechanism of gamma-aminobutyric acid (GABA) gated chloride ion channel allosteric regulator, and is mainly used for crops such as vegetables, fruit trees, cotton, tea trees and the like, and preventing and controlling pests and mites such as thrips, white flies, leaf miners, beetles, red spiders, rust mites and the like.
Spinosad, also known as spinosad, english name: spinosad, a class of macrolide compound biopesticides developed and industrialized in 1995 by Tao Shinong, is a secondary metabolite produced by aerobic fermentation of actinomycetes Spinosad. In the natural spinosad isolated extract, a mixture of the 2 highest active components spinosad a and spinosad is called spinosad, which is the main component of the commercial product. The spinosad has rapid contact and stomach poisoning effects on pests, can effectively control lepidoptera, diptera and thysanoptera pests, can well control a large number of leaf feeding pest species in coleoptera and orthoptera, has poor control effects on piercing and sucking pests and mites, and has good control effects on plutella xylostella, asparagus caterpillar, leaf miner, thrips, prodenia litura and the like. The spinosad pesticide is a novel microbial source pesticide, can be used for pest control of crops such as fruits and vegetables, rice, flowers and the like, and can effectively control various pests such as lepidoptera, diptera, thysanoptera and the like.
Spinetoram, english name: spinetoram, like spinosad described above, is also a 2-component mixture, and is a semisynthetic spinosad derivative that is the result of conversion of the natural methyl ether to ethyl ether at the 3-position of the rhamnosyl group in the spinosad structure. The spinetoram has a broader insecticidal spectrum than spinosad, not only has all the functions of spinosad for controlling pests, but also can play an excellent role in controlling crop pests such as fruits, nuts and the like when the spinosad has no obvious effect.
At present, in the using process of pesticides, the problems are as follows: certain pesticides are single and are used for a long time, so that the pests are easy to generate drug resistance, and the drug resistance is more serious in the process of increasing the dosage of the pesticides, so that vicious circle is generated, and finally the service life of the pesticides is shortened, the prevention and treatment cost is increased, and the environmental pollution is serious.
Disclosure of Invention
The invention aims to provide an insecticidal composition containing fluxapyroxad, which is used for controlling agricultural pests.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
the insecticidal composition containing the fluxazole amide is characterized by comprising two active components, wherein the first active component is the fluxazole amide, and the second active component is spinosad or spinetoram;
the weight ratio of the first active ingredient to the second active ingredient is 20:1-1:30.
The insecticidal composition containing the fluxazole amide can be prepared into various agriculturally acceptable formulations according to methods known to those skilled in the art.
The pesticide composition of the invention is prepared into various application forms, and besides effective active ingredients, the pesticide composition also comprises various auxiliary ingredients which are allowed to be used and can be accepted in different pesticide forms.
The auxiliary components include, but are not limited to, emulsifying agents, dispersing agents, wetting agents, solvents, antifreezes, defoamers, thickeners, disintegrants, synergists, preservatives, fillers and the like, are components commonly used or allowed to be used in pesticide preparations, are not particularly limited, and specific components and the dosage are determined through experiments according to the requirements of the formula.
The emulsifier can be various emulsifiers known in the pesticide formulation field, and the emulsifier can be one or more of phenethyl phenol polyoxyethylene polyoxypropylene ether, alkylaryl polyoxyethylene polyoxypropylene ether, fatty acid polyoxyethylene ether, fatty alcohol polyoxyethylene ether, glycerol laurate polyoxyethylene ether, styrylphenol polyoxyethylene ether, castor oil polyoxyethylene ether, alkylphenol polyoxypropylene polyoxyethylene ether, styrylphenyl polyoxyethylene ether, alkylphenol polyoxyethylene ether, sorbitan fatty acid ester polyoxyethylene ether, fatty alcohol polyoxyethylene ether sulfonate, alkylphenol polyoxyethylene formaldehyde condensate, calcium dodecyl sulfonate, alkylphenol polyoxyethylene ether succinic monoester sulfonate, alkylphenol polyoxyethylene phosphate and alkylphenol polyoxyethylene ether sulfonated succinic acid.
The dispersant may be various dispersants known in the pesticide formulation field, and the dispersant may be one or more of alkylphenol ethoxylate phosphate, alkylphenol ethoxylate sulfate, phenethyl phenol ethoxylate phosphate, polyoxyethylene polyoxypropylene ether block copolymer, sodium lignin sulfonate, sodium methylenedinaphthyl sulfonate (dispersant NNO), calcium lignin sulfonate, polycarboxylate, sodium methylenedinaphthyl sulfonate, sodium methylenebis-methylnaphthalene sulfonate, polyvinylpyrrolidone, alkylamidyl taurate, sodium alkyl naphthalene sulfonate polycondensate, sodium methylenebis-naphthalene sulfonate formaldehyde condensate.
The wetting agent can be various wetting agents known in the pesticide preparation field, and the wetting agent can be one or more of sodium alkyl naphthalene sulfonate, sodium dodecyl sulfate, secondary sodium alkyl sulfate, sodium dodecyl benzene sulfonate, fatty alcohol polyglycol ether sulfate, fatty alcohol polyoxyethylene ether, nonylphenol polyoxyethylene ether, sorbitan fatty acid ester polyoxyethylene ether, alkyl naphthalene formaldehyde condensate, alkyl naphthalene sulfonate and other wetting agents.
The solvent may be any of various solvents known in the pesticide formulation field, and the solvent may be one or more of water, methanol, ethanol, N-methylpyrrolidone, N-dimethylformamide, N-dimethylacetamide, tetrahydrofurfuryl alcohol, toluene, xylene, dimethyl sulfoxide, tetrahydrofuran, cyclohexanone, N-butanol, isopropanol, solvent oil No. 100, no. 150, no. 180, and No. 200.
The antifreezing agent can be various antifreezing agents known in the pesticide preparation field, and can be one or more of ethylene glycol, propylene glycol glycerol, diethylene glycol, urea and inorganic salts.
The defoamer can be various defoamers known in the pesticide preparation field, and can be one or more of silicone compounds, epoxidized soybean oil, emulsified silicone oil and fatty alcohol.
The thickener may be various thickeners known in the pesticide formulation field, and the thickener may be one or more of xanthan gum, polyvinyl alcohol, sodium alginate, gum arabic, and magnesium aluminum silicate.
The disintegrating agent can be various disintegrating agents known in the pesticide preparation field, and the disintegrating agent can be one or more of ammonium sulfate, sodium carboxymethyl starch, urea, low-substituted hydroxypropyl cellulose, croscarmellose sodium, crospovidone, sodium alginate, sodium bicarbonate and sodium chloride.
The carrier can be various carriers known in the pesticide preparation field, and the carrier can be one or more of glucose, white carbon black, kaolin, diatomite, light calcium carbonate, heavy calcium carbonate, attapulgite, soluble starch, urea, maltose, sucrose, citric acid, potassium carbonate, sodium carbonate and anhydrous sodium sulfate.
The preservative may be any of a variety of preservatives known in the art of pesticide formulation, and may be one or more of kathon, sodium benzoate, benzoic acid, potassium sorbate, formaldehyde.
The deionized water is industrial deionized water.
The invention has the beneficial effects that:
1. the pesticide composition provided by the invention comprises an active ingredient A and an active ingredient B, wherein the active ingredient A is fluxapyroxad, the active ingredient B is spinosad or spinetoram, the two active ingredients respectively have different action mechanisms, and the generation of drug resistance of pests can be delayed after the two active ingredients are compounded.
2. After the active component A and the active component B are compounded, the pesticide composition provided by the invention has remarkable synergistic effect, and compared with a single dose, the pesticide composition has remarkably improved prevention effect.
3. The pesticide composition provided by the invention can reduce the dosage of the pesticide, reduce the cost and protect the environment.
Detailed Description
The combined effect of the fluxapyroxad in combination with spinosad or spinetoram, respectively, is described below by an indoor toxicity assay.
1. Combined action determination of fluxapyroxad and spinosad mixed with plutella xylostella
The test method adopts a leaf dipping method. Firstly, preparing the original organic solvent into 5 series of medicinal liquids for later use. And then immersing cabbage leaves in the test liquid for 10s, taking out, naturally airing, putting the leaves into a culture dish filled with moisturizing filter paper, then inoculating 10 heads of plutella xylostella larvae with the same size, and culturing the culture dish under the conditions of the temperature of 26+/-1 ℃ and the relative humidity of 80+/-2% after the treatment is finished. For each treatment, 4 replicates were treated with water as a blank. And (5) checking the death condition of the test insects after 48 hours, recording the total number of insects, and calculating the death rate.
Mortality (%) = number of dead insects/total number of treated insects×100
Corrected mortality (%) = (treatment mortality-placebo mortality)/(1-placebo mortality) ×100
Control mortality <5% without correction; the control mortality is between 5% and 20%, and correction is needed; control mortality >20% and the test was reworked.
The combined action of the composition on plutella xylostella is evaluated by adopting a co-toxicity coefficient method, wherein the co-toxicity coefficient CTC >120 is expressed as a synergistic action, the co-toxicity coefficients of CTC being more than or equal to 80 and less than or equal to 120 are expressed as an additive action, and the co-toxicity coefficient of <80 is expressed as an antagonistic action.
TABLE 1 toxicity measurement results of Fungicide and Fungicide combinations on Plutella xylostella
2. Determination of combined action of fluxapyroxad and spinetoram mixed pair prodenia litura
The test method was a leaf dipping method, and the combined action measurement method was the same as in embodiment 1.
Table 2 toxicity measurement results of fluxamide and spinetoram mixed pair prodenia litura
3. Determination of combined action of fluxazole amide and spinetoram on thrips
The test method adopts a leaf Guan Yaomo method, firstly, the liquid medicine to be tested is filled into 1.5ml centrifuge tubes, each centrifuge tube has one concentration, each concentration is repeated for 4 times, the water treatment is set as a blank control, the liquid medicine is poured out after the water treatment is placed for 4 hours, the water treatment is dried, and the bottom of each centrifuge tube is sheared into small holes with the diameter of about 3mm by scissors. Fresh, clean cabbage leaves were then removed and punched into leaf discs 1cm in diameter for testing. Soaking leaf discs of caulis et folium Brassicae Capitatae in each concentration of medicinal liquid for 10s, naturally air drying at room temperature, and loading the leaf discs together with filter paper sheets of the same size into centrifuge tubes of the corresponding concentration of medicinal liquid with small tweezers, wherein each tube has 1 sheet to form leaf tube medicinal film.
Finally, about 20 healthy and uniform test insects are inoculated, the test insects are placed in an incubator for feeding, the temperature is 26+/-1 ℃, the humidity is 65% -70%, the death condition of the test insects is checked after 48 hours, and the death rate calculation method and the combined action evaluation method are the same as those in the embodiment 1.
TABLE 3 toxicity measurement results of Fluoxazolamide and spinetoram in combination against thrips
The present invention will be further described with reference to examples of preparations.
Formulation example 1
10% of fluxazole amide, 10% of spinetoram, 8% of nekal, 5% of polyoxyethylene polyoxypropylene ether block copolymer, 6% of sodium alkyl sulfate, 1% of carboxymethyl cellulose, 2% of potassium sorbate, 2% of isothiazolinone, 3% of butanol and deionized water are weighed to 100% by weight. Mixing the above materials, high-speed shearing and dispersing for 30min, and grinding with a sand mill to obtain particle diameter D 90 And (3) preparing the 20% fluoxastrobin-ethyl spinosad suspending agent after the concentration is smaller than 10 mu m.
Formulation example 2
20% of fluxazolamide, 10% of spinetoram, 5% of alkylphenol formaldehyde resin polyoxyethylene ether, 4% of sodium alkyl naphthalene formaldehyde condensate sulfonate, 2.5% of sodium alkyl sulfate, 2% of bentonite, 2.5% of polyethylene glycol, 0.7% of potassium sorbate, 1% of octanol and deionized water are weighed to 100% by weight. Mixing the above materials, high-speed shearing and dispersing for 30min, and grinding with a sand mill to obtain particle diameter D 90 After the particle size is smaller than 10 mu m, the 30% fluoxastrobin-ethyl spinosad suspending agent is prepared.
Formulation example 3
10% of fluxazole amide, 5% of spinosad, 4% of dispersing agent NNO, 6% of agricultural emulsion 2201, 3% of BY-140, 2% of polyvinyl alcohol, 3% of sodium alkyl sulfonate, 2% of glycerol and rapeseed oil added to 100% by weight are weighed. The raw materials are mixed, sheared and dispersed for 30min at high speed, and sand ground by a sand mill to prepare the 15% fluoxastrobin-spinosad dispersible oil suspending agent.
Formulation example 4
40% of fluxapyroxad, 20% of spinosad, 5% of polycarboxylate GY-D06, 4% of sodium polycarboxylate, 3% of sodium naphthalene sulfonate, 3% of sodium dodecyl sulfate, 5% of sodium sulfate and 2% of ammonium sulfate are weighed, and kaolin is added to 100% by weight. The method for preparing the water dispersible granule by the raw materials comprises the steps of mixing, superfine jet milling, mixing and granulating to prepare the 60% fluxapyroxad spinosad water dispersible granule.
Biological example 1: and (5) field pesticide effect test for preventing and controlling cabbage plutella xylostella.
The inventors carried out field efficacy tests of the preparation examples 1, 2, 3 and 4 and the control agent for preventing and controlling plutella xylostella in 2022, and verified the preventing and controlling effect of the agent on plutella xylostella and the safety on cabbage.
The test method comprises the following steps: the test was run on 8 treatments, with the control being treated with fresh water, with a total of 32 cells for each treatment of 4 replicates. The cell groups are arranged randomly, 30m per cell 2 . The test method adopts a conventional spraying method, and the diamondback moth is sprayed once in the full bloom stage.
The investigation method comprises the following steps: 2 plants are selected per spot by adopting a diagonal five-spot sampling method, and 10 plants per cell are selected. On the day of drug administration, counting and marking the number of the plutella xylostella living insects before drug administration as a pre-drug basal number; the number of live insects on the marker strains was counted 1, 3 and 7d after the application.
The calculation method comprises the following steps: rate of reduction of insect population (%) = (pre-drug insect population base-post-drug insect population base)/pre-drug insect population base x 100
Control effect (%) = (agent treatment area rate of reduction of insect population-control area rate of reduction of insect population)/(100-control area rate of reduction of insect population) ×100
Table 4 results of field efficacy test on cabbage Plutella xylostella
The results in table 4 show that the field control effect of the compound pesticide on cabbage moth reaches more than 88% after 1 day of pesticide, the field control effect of the compound pesticide on cabbage moth reaches more than 93% after 7 days of pesticide, the field control effect of the compound pesticide on cabbage moth is longer than that of the compound pesticide, and the control effect of the compound pesticide is higher than that of the compound pesticide alone.
All the test reagents are safe to cabbage growth and have no phytotoxicity.
Biological example 2: and (5) field efficacy test for preventing and controlling eggplant thrips.
The inventor performs field efficacy tests for preventing and controlling eggplant thrips in 2022, and verifies the prevention and control effect of the pesticide on eggplant thrips and the safety of the pesticide on eggplant.
The test method comprises the following steps: the test was run on 8 treatments, with the control being treated with fresh water, with a total of 32 cells for each treatment of 4 replicates. The cell groups are arranged randomly, 15m per cell 2 . The test method adopts a conventional spraying method, and the eggplant thrips are uniformly sprayed to each part of the plant in the early stage of occurrence, and the liquid medicine is preferably not dropped downwards and is applied once.
The investigation method comprises the following steps: the test adopts a fixed-point fixed-strain investigation method, 5 points of each cell are sampled, 1 strain is sampled at each point, and 2 blades are respectively fixed and selected at the upper part, the middle part and the lower part of each strain. The number of insect pests before the application and the death conditions of the insect pests after 1, 3 and 7 days after the application are respectively investigated, and the reduction rate and the control effect of the insect pests are calculated.
The method for calculating the reduction rate and the prevention and treatment effect of the insect population is the same as the method.
Table 5 results of field efficacy test on eggplant thrips
The results in table 5 show that 1 day after the medicine, the field control effect of the preparation examples 1, 2, 3 and 4 on eggplant thrips reaches more than 91%, the quick acting property is good, the control effect reaches more than 94% after the medicine is taken for 7 days, the high control effect is still maintained, the quick acting property and the lasting effect of the compound preparation on eggplant thrips are excellent, and the control effect of the compound preparation is higher than that of the compound preparation single preparation.
During the test period, all the test reagents are safe to the growth of eggplants, and no phytotoxicity phenomenon occurs.
Claims (7)
1. An insecticidal composition containing fluxapyroxad, which is characterized in that: the insecticidal composition comprises an active ingredient A and an active ingredient B, wherein the active ingredient A is fluxapyroxad, the active ingredient B is spinosad or spinetoram, and the weight ratio of the active ingredient A to the active ingredient B is 20:1-1:30.
2. The insecticidal composition containing the fluoro oxazamide according to claim 1, wherein: the weight ratio of the active ingredient A to the active ingredient B is 10:1-1:20.
3. The insecticidal composition containing the fluoro oxazamide according to claim 1, wherein: the sum of the weight of the active component A and the weight of the active component B in the insecticidal composition accounts for 1-90% of the total weight of the insecticidal composition, and the balance is an agriculturally acceptable carrier and an auxiliary agent.
4. The insecticidal composition containing the fluoro oxazamide according to claim 1, wherein: the insecticidal composition is prepared into a dosage form of wettable powder, water dispersible granules, aqueous emulsion, microemulsion, suspending agent and dispersible oil suspending agent.
5. Use of a pesticidal composition comprising a fluorooxamide as claimed in claim 1 for controlling agricultural pests.
6. The use according to claim 5, characterized in that: the agricultural pests are lepidoptera pests and thysanoptera pests.
7. The use according to claim 6, characterized in that: the lepidopteran pests are: spodoptera litura, plutella xylostella, cnaphalocrocis medinalis, chilo suppressalis and spodoptera frugiperda; the thysanoptera pest is thrips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310103342.5A CN117136960A (en) | 2023-02-10 | 2023-02-10 | Insecticidal composition containing fluxapyroxad |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310103342.5A CN117136960A (en) | 2023-02-10 | 2023-02-10 | Insecticidal composition containing fluxapyroxad |
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| Publication Number | Publication Date |
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| CN117136960A true CN117136960A (en) | 2023-12-01 |
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|---|---|---|---|
| CN202310103342.5A Pending CN117136960A (en) | 2023-02-10 | 2023-02-10 | Insecticidal composition containing fluxapyroxad |
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| Country | Link |
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| CN (1) | CN117136960A (en) |
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- 2023-02-10 CN CN202310103342.5A patent/CN117136960A/en active Pending
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