CN101248800A - Agricultural chemical composition containing fipronil and bacillus thuringiensis - Google Patents
Agricultural chemical composition containing fipronil and bacillus thuringiensis Download PDFInfo
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- CN101248800A CN101248800A CNA2007101876427A CN200710187642A CN101248800A CN 101248800 A CN101248800 A CN 101248800A CN A2007101876427 A CNA2007101876427 A CN A2007101876427A CN 200710187642 A CN200710187642 A CN 200710187642A CN 101248800 A CN101248800 A CN 101248800A
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Abstract
The invention belongs to the pesticide field and particularly relates to a synergic pesticidal composition with active ingredients to be the combinations of fipronil and a series of subspecies of Bacillus thuringiensis (Bt for short), wherein the Bacillus thuringiensis subspecies include six subspecies: Bacillus thuringiensis var.kurstaki, Bacillus thuringiensis var.aizawa, Bacillus thuringiensis var.tianmensis, B.thuringiensis var.israelensis, Bacillus thuringiensis subsp.aizawai and Bacillus thuringiensis subsp. kenyae. The main agent thereof includes the following active ingredients by the weight percentages as follows: fipronil 0.1%-80%, Bacillus thuringiensis 100-100000 IU (international unit) /mg, or 10-1000 billion spore/g, or 0.01-20% toxin protein, and the rest is an accessory ingredient. The pesticidal composition can be efficiently used for controlling agricultural pests such as rice leaf rollers, chilo suppressalis walkers, diamondback moths, prodenia lituras, corn borers, and so on, and has particular characteristics of high efficacy, long lasting period and safe usage, so that the pesticidal composition belongs to environment-friendly pesticides and can prolong the generation of resistance, reduce production cost and increase economic benefit.
Description
Technical field
The invention belongs to pesticide field, be specifically related to a kind of composition pesticide that contains a series of subspecies of fluorine worm nitrile (fipronil) and bacillus thuringiensis,Bt (Bacillus thuringiensis is called for short Bt) as active component.
Background technology
Along with the raising of the mankind to food and environmental requirement, the agricultural chemicals operating position on the crops that people depend on for existence also receives much concern.The use of high malicious organophosphorus insecticide kind has caused serious residue of pesticide problem, so it cuts down the key subjects that become China's pesticide industry, and organophosphorous pesticide superseded, vacateed the great agricultural chemicals market space, wishing has efficiently, and safety acts during a vacancy with eco-friendly pharmaceutical preparations kind.Secondly, the long-term use of agricultural chemicals is developed immunity to drugs insect, and also more and more higher to the requirement of control medicament, this just needs the agricultural chemicals research staff to develop efficiently, and the pharmaceutical preparations of safety is to satisfy the needs of plant protection.Because China's initiative agricultural chemicals is at the early-stage, the new pesticides with independent intellectual property right can't be satisfied the demand, and therefore, the agriculture chemical compounding kind of development of new is current only way.
Fluorine worm nitrile is a kind of novel pyrazoles efficient pesticides, the mechanism of action novelty, and consumption is low, and insecticidal spectrum is wide, important pests such as aphid, leafhopper, plant hopper, lepidopterous larvae, fly class and coleoptera is all had very high insecticidal activity, and crop is not had poisoning.
Bacillus thuringiensis,Bt (Bt) is a kind of germ insecticide, a plurality of subspecies are arranged at present, subspecies commonly used have Bacillus thuringiensis var.kurstaki, Bacillus thuringiensis var.aizawa, Bacillusthuringiensis var.tianmensis, B.thuringiensis var.israelensis, the bacillus thuringiensis,Bt Aizawa subspecies, and Su Yun gold Kenya subspecies etc., can be respectively applied for the control Lepidoptera, diptera, coleoptera, Hymenoptera insect, for example cabbage pieris, diamond-back moth, cotton bollworm, striped rice borer, rice leaf roller, corn borer, colorado potato beetle etc.The Bt product as exploitation is early used comparatively ripe a kind of biological insecticides, has played important function in the control of insect of decades.But this product has that drug effect is slow, the lasting period is short, and activity is subjected to such environmental effects bigger, and insect easily produces deficiencies such as resistance, it is further used be restricted.
Though the at present existing bibliographical information that adopts fluorine worm nitrile and bacillus thuringiensis,Bt to use with to prevent and treat rice grub is referring to " Bt and sharp strength spy use the effect assessment of preventing and treating rice-stem borer with " literary composition in the 4th phase of calendar year 2001 " insect knowledge " for example.But these documents have only been mentioned the simple mixing of the two have been used, not mentioning is mixed two kinds of active components is processed into preparation, does not also elaborate fluorine worm nitrile and Bt are mixed can have which kind of unexpected effect after being processed into preparation according to different proportion.Therefore, according to disclosed document, those skilled in the art can not obtain containing fluorine worm nitrile and the Bt synergy control efficiency as the excellence of the pesticidal preparations combination of active component and generation thereof.
The present inventor finds, fluorine worm nitrile is made up with Bt be processed into the pesticidal preparations use, the controls of a lot of insects is had outstanding synergistic effect, so finished the present invention.
Summary of the invention
The objective of the invention is to overcome the deficiency that existing Bt exists in pest control, provide a class to contain the composition pesticide of the combination of fluorine worm nitrile and Bt as active component, it has excellent synergy control efficiency.
Another object of the present invention provides various preparations of described composition pesticide and preparation method thereof.
The present invention is mixed with fluorine worm nitrile and Bt and obtains suspending agent, or wetting powder, or oil-suspending agent, or granule, or water-dispersible granules, or microcapsule formulations.Wherein the shared ratio of fluorine worm nitrile is 0.1-80% by weight, and Bt is 100-100000IU/mg; The preferred compositions ratio is: fluorine worm nitrile accounts for 0.5-50%, and bacillus thuringiensis,Bt is 2000-32000IU/mg; The best of breed ratio is: fluorine worm nitrile accounts for 2-10%, and bacillus thuringiensis,Bt is 4000-16000IU/mg, and remaining is an auxiliary agent.Adopt another kind of form of presentation to be, the shared ratio of fluorine worm nitrile is 0.1-80% by weight, and Bt is 10-1000 hundred million gemma/g, and the preferred compositions ratio is: fluorine worm nitrile accounts for 0.5-50%, and bacillus thuringiensis,Bt is 100-500 hundred million gemma/g; The best of breed ratio is: fluorine worm nitrile accounts for 2-10%, and bacillus thuringiensis,Bt is 200-400 hundred million gemma/g, and remaining is an auxiliary agent.Adopt another kind of form of presentation to be, the shared ratio of fluorine worm nitrile is 0.1-80% by weight, and Bt is the 0.01-20% toxin protein, and the preferred compositions ratio is: fluorine worm nitrile accounts for 0.5-50%, and bacillus thuringiensis,Bt is the 0.05-10% toxin protein; The best of breed ratio is: fluorine worm nitrile accounts for 2-10%, and bacillus thuringiensis,Bt is the 0.1-5% toxin protein, and remaining is an auxiliary agent.Fluorine worm nitrile can be former medicine or the preparation of itself, bacillus thuringiensis,Bt can be its any subspecies, for example Bacillus thuringiensis var.kurstaki, Bacillus thuringiensis var.aizawa, Bacillus thuringiensis var.tianmensis, B.thuringiensis var.israelensis, bacillus thuringiensis,Bt Aizawa subspecies, and Su Yun gold Kenya subspecies etc., or bacillus thuringiensis,Bt is selected from its gemma, unit cell or its active component β-exotoxin.
Above-mentioned said auxiliary agent is:
When the preparation suspending agent, its auxiliary agent is:
The solvent of 1-10% by weight, solvent is one or more in castor oil, transformer oil, dimethylbenzene, machine oil, soya-bean oil, diesel oil, Methyl Benzene-o-dicarboxylate, dimethyl formamide, methyl alcohol, ethylene glycol, the acetonitrile;
The wetting agent of 0.2-15% by weight, wetting agent are one or more in neopelex, calcium dodecyl benzene sulfonate, dioctyl succinate semi-annular jade pendant acid sodium, polyoxyethylene nonylphenol ether, the multiple phenol polyethenoxy ether of benzyl, dibenzyl phenol APEO, the multiple phenol polyethenoxy base ether of α-Jia Jibianji, calcium dodecyl benzene sulfonate, styryl phenol APEO, farming breast 0201, farming breast 1602, farming breast 602, Tween-20, Tween-80, the alkylphenol polyoxyethylene phosphate;
The dispersant of 0.3-10% by weight, dispersant are one or more in naphthalene or Fluhyzon formaldehyde condensation products and salt, fatty alcohol ethylene oxide adduct sulfonate, alkylphenol-polyethenoxy base ether sulfonate, lignin and derivative sulfonate thereof, fatty acid ethane addition product phosphate, alkylphenol-polyethenoxy based phosphates, carboxymethyl cellulose, polyvinyl alcohol, polyvinylpyrrolidone, the polyethylene glycol;
The tackifier of 0.1-5% by weight, tackifier are one or more in gum Arabic, xanthan gum, methylcellulose, carboxymethyl cellulose, polyvinyl alcohol, polyvinylpyrrolidone, Sodium Polyacrylate, gaseous state silica, the Magnesiumaluminumsilicate;
The preservative of 0.1-5% by weight, preservative are one or more in formaldehyde, isothiazolinone, Buddhist nun uncle tortoise beetle ester, potassium sorbate, the Sodium Benzoate;
The antifreezing agent of 1-8% by weight, antifreezing agent is one or more in ethylene glycol, propane diols, glycerine, the urea;
The ultra-violet protecting agent of 0.5-15% by weight, ultra-violet protecting agent are one or more in Congo red, rhodamine, p-aminobenzoic acid, fluorescent whitening agent, lignosulfonates, the castor oil;
The defoamer of 0-5% by weight, defoamer is organic silicone, C
10-20In saturated fat acids, iodoxy amine, the ester ethers one or more;
The pH value conditioning agent of 0-1% by weight, pH value conditioning agent is one or more in sodium hydroxide, ammonium hydroxide, acetic acid, the hydrochloric acid;
Mend to 100% with deionized water at last;
When the preparation wetting powder, its auxiliary agent is:
The wetting agent of 3-35% by weight, wetting agent is natural products wetting agent and anionic wetting agent, and available tea is withered, spaonin powder, soapberry powder, silkworm excrement, bay alcohol radical sodium sulphate, neopelex, washing powder, draw back in the powder one or more;
The dispersant of 4-30% by weight, dispersant are one or more in naphthalene or Fluhyzon formaldehyde condensation products and salt, fatty alcohol ethylene oxide adduct sulfonate, alkylphenol-polyethenoxy base ether sulfonate, lignin and derivative sulfonate thereof, fatty acid ethane addition product phosphate, alkylphenol-polyethenoxy based phosphates, carboxymethyl cellulose, polyvinyl alcohol, polyvinylpyrrolidone, the polyethylene glycol;
The filler of 10-70% by weight, filler is one or more in glucose, lactose, maltose, silica gel, silicic acid, kaolin, white carbon, dolomite, diatomite, magnesium chloride, ammonium sulfate, phosphatization ammonium, ammonium nitrate, urea, flour, bark powder, shuck powder, the cellulose powder;
When making up oil suspending agent, its auxiliary agent is:
The solvent of 10-60% by weight, solvent is one or more in castor oil, transformer oil, dimethylbenzene, machine oil, soya-bean oil, diesel oil, Methyl Benzene-o-dicarboxylate, dimethyl formamide, methyl alcohol, ethylene glycol, the acetonitrile;
The emulsifier of 2-10% by weight, emulsifier are one or more in the multiple phenol polyethenoxy ether of polyoxyethylene nonylphenol ether, benzyl, dibenzyl phenol APEO, the multiple phenol polyethenoxy base ether of α-Jia Jibianji, styryl phenol APEO, farming breast 0201, farming breast 1602, farming breast 602, Tween-20, Tween-80, the alkylphenol polyoxyethylene phosphate;
The wetting agent of 0.2-20% by weight, wetting agent is one or more in aliphatic alcohol sulfate, alkylaryl sulfonates, alkylphenol polyoxyethylene, the fatty alcohol-polyoxyethylene ether;
The dispersant of 0.3-30% by weight, dispersant are lignin sulfonic acid salt such as sodium lignin sulfonate, calcium lignosulfonate, and alkylnaphthalene sulfonate is as drawing back powder, one or more in the salt of naphthalene sulfonic acid-formaldehyde condensation product;
The tackifier of 0.2-10% by weight, tackifier are one or more in dispersed silica gel, aerosil, clay mineral such as bentonite, macromolecular compound such as the xanthans;
The stabilizing agent of 0.2-5% by weight, stabilizing agent is one or more in xanthan gum, the Magnesiumaluminumsilicate;
The defoamer of 0.2-8% by weight, defoamer is organosilicon ketone, C
8-C
10Fatty alcohol, C
10-C
20In aliphatic saturated monocarboxylic acid and ester class thereof, the polymerization glycerine one or more;
When the preparation granule, its auxiliary agent is:
The carrier of 5-90% by weight, carrier is one or more in clay, kaolin, mica, talcum, bentonite, Emathlite, silica sand, white carbon, glucose, lactose, maltose, silica gel, silicic acid, dolomite, diatomite, magnesium chloride, ammonium sulfate, phosphatization ammonium, ammonium nitrate, urea, flour, bark powder, shuck powder, the cellulose powder;
By the wetting dispersing agent of 0.2-5% by weight, wetting dispersing agent is one or more in bay alcohol radical sodium sulphate, neopelex, naphthalene or Fluhyzon formaldehyde condensation products and salt, lignin and derivative sulfonate thereof, the alkylphenol-polyethenoxy based phosphates;
The adhesive of 0.5-10% by weight, adhesive is one or more in starch, dextrin, gum Arabic, gelatin, sodium silicate, gypsum, polyvinyl acetate, polyvinyl alcohol, rosin, the paraffin;
By weight 0.5-3% help disintegrant, helping disintegrant is in thiamines, calcium chloride, salt, magnesium chloride, the aluminium chloride one or more;
The adsorbent of 0.5-5% by weight, adsorbent is one or more in white carbon, diatomite, attapulgite, the calcium carbonate;
The stabilizing agent of 0.5-15% by weight, stabilizing agent is one or more in 3-chloro-1,2 epoxy prapane, butyl glycidyl ether, phenyl glycidyl ether, cresyl glycidyl ether, polyethylene glycol diglycidyl ether, the sorb sodium alkoxide;
When the preparation water-dispersible granules, its auxiliary agent is:
The wetting agent of 2-20% by weight, wetting agent is a saponin, lignosulfite, the hydrolysate of animal waste, alkyl sulfate, alpha-alkene sulfonate, benzene sulfonamide acid alkali metal salt and amine salt, dialkyl group succinic acid sulfonate sodium, fatty alcohol, fatty acid amide N methyl taurine sodium salt, sodium sulfate of polyethenoxy ether of fatty alcohol, alkylphenol polyoxyethylene sulphate, Negel, fatty acid or fatty acid ester sulphate, sodium lignin sulfonate, petroleum sodium sulfonate, alkyl biphenyl ether sulfonic acid sodium, naphtholsulfonic acid formaldehyde condensation products sodium salt, polyoxyethylene carboxylate sodium sulfonate and ammonium salt, alkylphenol polyoxyethylene, in the aliphatic alcohol polyethenoxy one or more;
The binding agent of 1-10% by weight, binding agent is one or more in starch, dextrin, gum Arabic, soybean protein, casein, gelatine and gelatin, sodium silicate, gypsum, polyvinyl acetate, polyvinyl alcohol, rosin, shellac, paraffin, pitch, the ethene-vinyl acetate copolymer resins;
The disintegrant of 2-20% by weight, disintegrant is one or more in sulphur ammonium, calcium chloride, salt, magnesium chloride, aluminium chloride, urea, the bentonite;
The stabilizing agent of 0.5-15% by weight, stabilizing agent is one or more in 3-chloro-1,2 epoxy prapane, butyl glycidyl ether, phenyl glycidyl ether, cresyl glycidyl ether, polyethylene glycol diglycidyl ether, the sorb sodium alkoxide;
The carrier of 5-70% by weight, carrier is one or more in soybean, tobacco, acorn, corncob cellulose, rice husk, sulphur, diatomite, quicklime, magnesium lime, apatite, calcite, dolomite, gypsum, mica, talcum, pyrophyllite, clay, kaolinite, nacrite, dickite, anauxite, montmorillonite, atlapulgite, the float stone;
When the preparation microcapsule formulations, its auxiliary agent is:
The dispersant of 10-30% by weight, dispersant are one or more of polyvinyl alcohol, polyethylene glycol, gelatin, gum Arabic, carboxymethyl cellulose, Magnesiumaluminumsilicate, sodium lignin sulfonate;
The capsule skin material of 10-70% by weight, capsule skin material is one or more in gelatin, gum Arabic, starch, polyvinylpyrrolidone, carboxymethyl cellulose, hydroxy ethyl fiber, methyl fiber, arabinose galactan, polyvinyl alcohol, polyacrylic acid, ethyl cellulose, polyethylene, polymethacrylates, polyamide, polyethylene-vinylacetate, cellulose nitrate, silicone, polyesters, polyureas, paraffin, palm wax, spermaceti, beeswax, stearic acid, octadecanol, tristerin class, shellac, acetic acid benzoic acid cellulose, the zein.
Processing method can be implemented by conventional method.When for example processing wetting powder, can be with fully drying, cooling, the mixing of a certain amount of active ingredient, wetting agent, dispersant and filler, comminution by gas stream is levigate promptly gets product.
Method of application depends on specific use, in all cases, must guarantee that their dispersion is trickle as far as possible and even.
When the present composition was used, the difference according to factors such as different crops, time of application, weather conditions was generally 0.5-500g a.i/ha (active ingredient/hectare), is preferably 1-100g a.i/ha, generally adopts foliage applying, and for example foliar spray is handled.Also can do other and handle as seed dressing, filling root etc., in this case, can adjust application dosage as required.For example when soil treatment control soil insect, using dosage is between 10-1000g a.i/ha.
Mixture provided by the present invention has following advantage:
1. after fluorine worm nitrile and Bt are mixed, can overcome the shortcoming that fluorine worm nitrile is easy to generate resistance, can widen the scope of application of medicament, improve drug effect.
2. after fluorine worm nitrile and Bt are mixed, not only kept numerous advantages of Bt microorganism insecticide, and the reduction of the dosage of mixture, drug effect increases substantially, and this mixture has profound significance to the Application and Development of natural insecticide.
3. after fluorine worm nitrile and Bt are mixed, obvious synergistic effect is arranged, can delay the pesticide resistance of insect, the resistance management of insect is had immeasurable using value.
4. because the compatibility and the reasonable mixture ratio of preparation this insecticides required each material can greatly alleviate the toxic action to various pest natural enemies, to the infringement of ecotope with pollute lessly, help protecting the person poultry safety.
In order to understand essence of an invention better, be described further by following examples, but the present invention is not limited to these embodiment.
Example of formulations
The preparation of example of formulations 1:0.1% fluorine worm nitrile+40000IU/mg Bt wetting powder, each set of dispense ratio is:
95% the former medicine of fluorine worm nitrile is 0.11% weight ratio,
The former powder of Bacillus thuringiensis var.kurstaki of 50000IU/mg is 80% weight ratio,
Wetting agent: neopelex is 5% weight ratio,
Dispersant: sodium lignin sulfonate is 5% weight ratio,
Body: kaolin is 9.89% weight ratio.
With each component drying, cooling, mixing, comminution by gas stream is levigate promptly gets product.
The preparation of example of formulations 2:80% fluorine worm nitrile+1000IU/mg Bt water dispersible granules, each set of dispense ratio is:
95% the former medicine of fluorine worm nitrile is 84.21% weight ratio,
The former powder of Bacillus thuringriensis var.aizawa of 50000IU/mg is 2% weight ratio,
Wetting agent: alkyl biphenyl ether sulfonic acid sodium is 2% weight ratio,
Binding agent: polyvinyl acetate is 1% weight ratio,
Disintegrant: urea is 2% weight ratio,
Stabilizing agent: butyl glycidyl ether is 1% weight ratio,
Carrier: atlapulgite is 7.79% weight ratio.
Mixture is carried out granulation after the ultra-fine grinding, drying, screening promptly get product.
The preparation of example of formulations 3:0.5% fluorine worm nitrile+32000IU/mg Bt granule, each set of dispense ratio is:
95% the former medicine of fluorine worm nitrile is 0.53% weight ratio,
The former powder of Bacillus thuringiensis var.aizawa of 50000IU/mg is 64% weight ratio,
Wetting dispersing agent: neopelex 1% weight ratio,
Binding agent: polyvinyl acetate is 1% weight ratio,
Help disintegrant: urea is 2% weight ratio,
Adsorbent: white carbon is 2% weight ratio,
Stabilizing agent: butyl glycidyl ether is 7% weight ratio,
Carrier: atlapulgite is 22.47% weight ratio.
Above-mentioned former medicine, auxiliary agent promptly get product through fully mixing, aggegation granulating, classification.
The preparation of example of formulations 4:50% fluorine worm nitrile+2000IU/mg Bt water dispersible granules, each set of dispense ratio is:
95% the former medicine of fluorine worm nitrile is 52.63% weight ratio,
The former powder of Bacillus thuringiensis var.aizawa of 50000IU/mg is 4% weight ratio,
Wetting agent: sodium lignin sulfonate is 5% weight ratio,
Binding agent: gum Arabic is 2% weight ratio,
Disintegrant: bentonite is 3% weight ratio,
Stabilizing agent: butyl glycidyl ether is 2% weight ratio,
Carrier: atlapulgite is 31.37% weight ratio.
Mixture is carried out granulation after the ultra-fine grinding, drying, screening promptly get product.
The preparation of example of formulations 5:20% fluorine worm nitrile 16000IU/mg Bt wetting powder, each set of dispense ratio is:
95% the former medicine of fluorine worm nitrile is 21.05% weight ratio,
The former powder of Bacillus thuringiensis var.kurstaki of 50000IU/mg is 32% weight ratio,
Wetting agent: neopelex is 10% weight ratio,
Dispersant: polyvinyl alcohol is 7% weight ratio,
Carrier: white carbon is 29.95% weight ratio.
With each component drying, cooling, mixing, comminution by gas stream is levigate promptly gets product.
The preparation of example of formulations 6:15% fluorine worm nitrile+8000IU/mg Bt suspending agent, each set of dispense ratio is:
The former medicine of 95% fluorine worm nitrile is 15.79% weight ratio,
The former powder of 50000IU/mg Bacillus thuringiensis var.aizawa is 1 6% weight ratio,
Solvent: machine oil is 8% weight ratio,
Wetting agent: farming breast 602 is 12% weight ratio,
Dispersant: Fluhyzon formaldehyde condensation products NNO is 2% weight ratio,
Tackifier: xanthans is 0.5% weight ratio,
Preservative: formaldehyde is 0.5% weight ratio,
Antifreezing agent: propane diols is 3% weight ratio,
Anti-photodissociation agent: sodium lignin sulfonate is 1% weight ratio,
Water: 41.21% weight ratio.
The solid constituent of mentioned component is pulverized, added liquid component, homogenizing is disperseed, and promptly gets suspending agent.
The preparation of example of formulations 7:2% fluorine worm nitrile+4000IU/mg Bt suspending agent, each set of dispense ratio is:
The former medicine of 95% fluorine worm nitrile is 2.11% weight ratio,
50000IU/mg Bacillus thuringiensis var.aizawa is 8% weight ratio,
Solvent: soya-bean oil is 5% weight ratio,
Wetting agent: Tween-20 is 15% weight ratio,
Dispersant: Fluhyzon formaldehyde condensation products NNO is 3% weight ratio,
Tackifier: xanthans is 2% weight ratio,
Preservative: isothiazolinone 0.5% weight ratio,
Antifreezing agent: urea 5% weight ratio,
Anti-photodissociation agent: castor oil is 1% weight ratio,
Water: 58.39% weight ratio.
The solid constituent of mentioned component is pulverized, added liquid component, homogenizing is disperseed, and promptly gets suspending agent.
The preparation of example of formulations 8:5% fluorine worm nitrile+8000IU/mg Bt wetting powder, each set of dispense ratio is:
The former medicine of 95% fluorine worm nitrile is 5.26% weight ratio,
The former powder of 50000IU/mg Bacillus thuringiensis var.aizawa is 16% weight ratio,
Wetting agent: bay alcohol radical sodium sulphate is 15% weight ratio,
Dispersant: Fluhyzon formaldehyde condensation products NNO is 20% weight ratio,
Carrier: kaolin is 43.7% weight ratio.
With each component drying, cooling, mixing, comminution by gas stream is levigate promptly gets product.
The preparation of example of formulations 9:8% fluorine worm nitrile+8000IU/mg Bt oil-suspending agent, each set of dispense ratio is:
95% the former medicine of fluorine worm nitrile is 8.42% weight ratio,
The former powder of 50000IU/mg Bacillus thuringiensis var.kurstaki is 1 6% weight ratio,
Emulsifier: farming breast 602 is 7% weight ratio,
Dispersant: sodium lignin sulfonate is 10% weight ratio,
Tackifier: bentonite is 3% weight ratio,
Stabilizing agent: xanthan gum is 2% weight ratio,
Defoamer: organic silicone is 5% weight ratio,
Solvent: castor oil is 48.58% weight ratio.
Each component put into send into homogeneous blender mixing after the sand milling still grinds and promptly get product.
The preparation of example of formulations 10:10% fluorine worm nitrile+16000IU/mg Bt water-dispersible granules, each set of dispense ratio is:
The former medicine of 95% fluorine worm nitrile is 10.52% weight ratio,
The former powder of 50000IU/mg Bacillus thuringiensis var.kurstaki is 32% weight ratio,
Wetting agent: sodium lignin sulfonate is 8% weight ratio,
Binding agent: polyvinyl acetate is 9% weight ratio,
Disintegrant: urea is 15% weight ratio,
Stabilizing agent: butyl glycidyl ether is 1% weight ratio,
Carrier: atlapulgite is 24.48% weight ratio.
Mixture is carried out granulation after the ultra-fine grinding, drying, screening promptly get product.
The biological activity determination test
Biologically active embodiment 1: to the indoor biometrics test of prodenia litura
1, for the examination insect: prodenia litura, field are gathered, and resistance level is moderate, indoor feeding to 3 age.
2, the former medicine of 95% fluorine worm nitrile: Anhui Huaxing Chemical Co., Ltd.;
The former powder of bacillus thuringiensis,Bt subspecies Bacillus thuringiensis var.aizawa 50000IU/mg: Kenuo Bio-Agricultural Chemicals Co Ltd, Wuhan.
3, bioassay method
Take by weighing the standby Bt bacterium powder of a certain amount of preservation, bacterium powder and fluorine worm nitrile are carried out doubling dilution with diluted sample buffer solution or sterile water, choose 5 continuous suitable concentration at least and be used for biologicall test.A certain size fresh cabbage leaves managed in the soup throughout take out after soaking 10s, dry naturally, put into the foster worm cup of dried and clean.Each foster worm cup connects 10 of 3 instar larvaes of the same size, and each processing is provided with 4 repetitions.Sealing with paper and rubber bar and to support the worm rim of a cup, put into the insectary and raise (25 ℃, humidity 80%), is contrast with the larva of the not clear water raising of adding medicine.Check the death condition of examination worm behind the 72h, and calculate its lethality and LC
50Value.
Adopt the abundant method of Sun Yun promptly to calculate the method calculating co-toxicity coefficient of (A+B) mixture co-toxicity with toxicity index, and the best proportioning of definite mixture. co-toxicity coefficient is significantly greater than representing synergistic effect at 100 o'clock, near representing summation action at 100 o'clock, significantly less than representing antagonism at 100 o'clock.
Result of the test sees Table 1.As can be seen from Table 1: several ratio combinations of fluorine worm nitrile and bacillus thuringiensis,Bt, the co-toxicity coefficient of gained all is higher than synergy standard 100 in the 184.65-348.85 scope.Wherein, in these several ratios, the former powder of fluorine worm nitrile and Bt is 1: 1 o'clock synergy maximum, is 348.85.
Table 1 fluorine worm nitrile (A) and the virulence co-toxicity coefficient measurement result (72h) of the different proportionings of Bt (B) to prodenia litura
| Proportioning | The toxicity regression linear equation | Correlation coefficient | LC 50(mg.L -1) | Co-toxicity coefficient |
| A B A∶B＝1∶20 A∶B＝1∶10 A∶B＝1∶5 A∶B＝1∶1 A∶B＝5∶1 A∶B＝10∶1 A∶B＝20∶1 | Y＝3.4272+1.5232x Y＝1.6124+1.4861x Y＝3.3059+1.5428x Y＝3.2764+1.6790x Y＝3.4878+1.6030x Y＝3.6444+1.9213x Y＝3.6021+1.6076x Y＝3.7619+1.5970x Y＝3.9151+1.8075x | 0.9844 0.9998 0.9913 0.9987 0.9863 0.9974 0.9802 0.9854 0.9956 | 10.78 190.31 12.53 10.63 8.78 5.08 7.41 5.96 9.98 | 184.65 202.90 227.84 348.85 282.81 301.08 244.31 |
Annotate: A is a fluorine worm nitrile, and B is Bt.A: B by weight, A: B=1: 1 promptly the expression (95% fluorine worm nitrile of 1 weight portion): (the bacillus thuringiensis,Bt 50000IU/mg of 1 weight portion).
Biologically active embodiment 2: to the field trial of rice leaf roller
1, test medicine:
The special suspending agent (Bayer crop science company product) of the sharp strength of A:5%
The Bt suspending agent of B:8000IU/ μ L (Wuhan section promise bio tech ltd product)
The Bt suspending agent of C:3% fluorine worm nitrile 4000IU/ μ L
2, test method:
Tested in 2007 and carry out in Jiangmen city Du Ruan Zhen LongXi village, the experimental field is a sandy loam, middle fertility, and irrigation and drainage are convenient.The rice planting mode is for transplanting.(every 667m is established in test
2Dosage, down together) A:30mL, 50mL; B:30mL, 50mL; C:30mL, 6 chemicals treatment such as 50mL and blank, each is handled 3 times and repeats, and district's group is arranged at random, and the sub-district area is 500m
2Test is executed medicine 1 time in i.e. the 5th generation rice leaf roller 1～2 instar larvae peak period (rice tillering is contained the phase) dispenser on August 20.Each is handled and uses backpack 3WBS-16 type hand sprayer even spraying after medicament is converted water 50kg.Dispenser sunlight on the same day is stronger, and gentle breeze is arranged, and 28h does not have rain after the dispenser.
Adopt five point samplings investigation, 15 days investigation rice strain leaf roll numbers after the worm amount alives of 100 clumps of rice strains of every sub-district investigation in 7 days, the dispenser before dispenser and after the dispenser calculate insect population go down rate, leaf roll rate and guarantor's leaf effect.
3, investigation result
Behind the medicine 7 days, in 6 processing, the highest with the Bt suspending agent 50mL/ mu preventive effect of 3% fluorine worm nitrile 4000IU/ μ L, the insect population rate of going down reached 97.6%, under the equal dose 52% of 92.5% and 8000IU/ μ LBt suspending agent of the special suspending agent of 5% sharp strength.Behind the medicine 15 days, guarantor's leaf effect of the Bt suspending agent 50mL/ mu of 3% fluorine worm nitrile 4000IU/ μ L can reach 98.5%, still be higher than with 94.4% of the special suspending agent of 5% sharp strength under the dosage, and the Bt suspending agent of 8000IU/ μ L only is 68.1%, the synergy highly significant of mixture.
Table 2 rice leaf roller field control effectiveness test result
| Handle (667m 2) | Insect population number (head) before the medicine | 7d behind the medicine | 15d behind the medicine | ||
| Survival borer population (head) | The insect population rate (%) that goes down | Leaf roll rate (%) | Protect leaf effect (%) | ||
| A(30mL) A(50mL) B(30mL) B(50mL) C(30mL) C(50mL) | 158.8 142.6 138.2 152.1 148.9 126.5 | 34.8 10.7 75.3 73.0 21.7 3.0 | 78.1 92.5 45.5 52 85.4 97.6 | 1.8 0.6 4.5 3.6 1.2 0.2 | 83.5 94.4 60.0 68.1 89.2 98.5 |
| Blank (CK) | 133.2 | 88.7 | 33.4 | 11.2 | |
Annotate: the insect population number is the investigation result of 100 clumps of rice strains in the table.
Claims (15)
1. the composition pesticide of fluorine worm nitrile and bacillus thuringiensis,Bt, it is characterized in that fluorine worm nitrile accounts for 0.1-80% by weight in composition, bacillus thuringiensis,Bt is 100-100000IU (IU is an international unit)/mg, or 10-1000 hundred million gemma/g, or the 0.01-20% toxin protein, all the other are auxiliary agents.
2. according to claim 1, it is characterized in that institute joins the agricultural insecticide composition and can be mixed into suspending agent, or wetting powder, or oil-suspending agent, or granule, or water-dispersible granules, or microcapsule formulations.
3. mixed insecticide Pesticidal combination according to claim 1 is characterized in that fipronil can be former medicine of fipronil or fipronil preparation.
4. composition pesticide according to claim 1 is characterized in that bacillus thuringiensis,Bt is selected from one or more of following subspecies: bacillus thuringiensis,Bt subspecies Bacillus thuringiensis var.kurstaki, bacillus thuringiensis,Bt subspecies Bacillus thuringiensis var.aizawa, bacillus thuringiensis,Bt subspecies Bacillus thuringiensisvar.tianmensis, bacillus thuringiensis,Bt subspecies B.thuringiensis var.israelensis, bacillus thuringiensis,Bt Aizawa subspecies, and Su Yun gold Kenya subspecies.
5. composition pesticide according to claim 1 is characterized in that, fluorine worm nitrile is 0.5-50%, and bacillus thuringiensis,Bt is 2000-32000IU/mg.
6. composition pesticide according to claim 1 is characterized in that, fluorine worm nitrile is 2-10%, and bacillus thuringiensis,Bt is 4000-16000IU/mg.
7. composition pesticide according to claim 6 is characterized in that described mixed insecticide preparation is a suspending agent, and its auxiliary agent comprises:
The solvent of 1-10% by weight, solvent is one or more in castor oil, transformer oil, dimethylbenzene, machine oil, soya-bean oil, diesel oil, Methyl Benzene-o-dicarboxylate, dimethyl formamide, methyl alcohol, ethylene glycol, the acetonitrile;
The wetting agent of 0.2-15% by weight, wetting agent are one or more in neopelex, calcium dodecyl benzene sulfonate, dioctyl succinate semi-annular jade pendant acid sodium, polyoxyethylene nonylphenol ether, the multiple phenol polyethenoxy ether of benzyl, dibenzyl phenol APEO, the multiple phenol polyethenoxy base ether of α-Jia Jibianji, calcium dodecyl benzene sulfonate, styryl phenol APEO, farming breast 0201, farming breast 1602, farming breast 602, Tween-20, Tween-80, the alkylphenol polyoxyethylene phosphate;
The dispersant of 0.3-10% by weight, dispersant are one or more in naphthalene or Fluhyzon formaldehyde condensation products and salt, fatty alcohol ethylene oxide adduct sulfonate, alkylphenol-polyethenoxy base ether sulfonate, lignin and derivative sulfonate thereof, fatty acid ethane addition product phosphate, alkylphenol-polyethenoxy based phosphates, carboxymethyl cellulose, polyvinyl alcohol, polyvinylpyrrolidone, the polyethylene glycol;
The tackifier of 0.1-5% by weight, tackifier are one or more in gum Arabic, xanthan gum, methylcellulose, carboxymethyl cellulose, polyvinyl alcohol, polyvinylpyrrolidone, Sodium Polyacrylate, gaseous state silica, the Magnesiumaluminumsilicate;
The preservative of 0.1-5% by weight, preservative are one or more in formaldehyde, isothiazolinone, Buddhist nun uncle tortoise beetle ester, potassium sorbate, the Sodium Benzoate;
The antifreezing agent of 1-8% by weight, antifreezing agent is one or more in ethylene glycol, propane diols, glycerine, the urea;
The ultra-violet protecting agent of 0.5-15% by weight, ultra-violet protecting agent are one or more in Congo red, rhodamine, p-aminobenzoic acid, fluorescent whitening agent, lignosulfonates, the castor oil;
The defoamer of 0-5% by weight, defoamer is organic silicone, C
10-20In saturated fat acids, iodoxy amine, the ester ethers one or more;
The pH value conditioning agent of 0-1% by weight, pH value conditioning agent is one or more in sodium hydroxide, ammonium hydroxide, acetic acid, the hydrochloric acid.
8. composition pesticide according to claim 6 is characterized in that described mixed insecticide preparation is a wetting powder, and its auxiliary agent comprises:
The wetting agent of 3-35% by weight, wetting agent is natural products wetting agent and anionic wetting agent, and available tea is withered, spaonin powder, soapberry powder, silkworm excrement, bay alcohol radical sodium sulphate, neopelex, washing powder, draw back in the powder one or more;
The dispersant of 4-30% by weight, dispersant are one or more in naphthalene or Fluhyzon formaldehyde condensation products and salt, fatty alcohol ethylene oxide adduct sulfonate, alkylphenol-polyethenoxy base ether sulfonate, lignin and derivative sulfonate thereof, fatty acid ethane addition product phosphate, alkylphenol-polyethenoxy based phosphates, carboxymethyl cellulose, polyvinyl alcohol, polyvinylpyrrolidone, the polyethylene glycol;
The filler of 10-70% by weight, filler is one or more in glucose, lactose, maltose, silica gel, silicic acid, kaolin, white carbon, dolomite, diatomite, magnesium chloride, ammonium sulfate, phosphatization ammonium, ammonium nitrate, urea, flour, bark powder, shuck powder, the cellulose powder.
9. composition pesticide according to claim 6 is characterized in that described mixed insecticide preparation is an oil-suspending agent, and its auxiliary agent comprises:
The solvent of 10-60% by weight, solvent is one or more in castor oil, transformer oil, dimethylbenzene, machine oil, soya-bean oil, diesel oil, Methyl Benzene-o-dicarboxylate, dimethyl formamide, methyl alcohol, ethylene glycol, the acetonitrile;
The emulsifier of 2-10% by weight, emulsifier are one or more in the multiple phenol polyethenoxy ether of polyoxyethylene nonylphenol ether, benzyl, dibenzyl phenol APEO, the multiple phenol polyethenoxy base ether of α-Jia Jibianji, styryl phenol APEO, farming breast 0201, farming breast 1602, farming breast 602, Tween-20, Tween-80, the alkylphenol polyoxyethylene phosphate;
The wetting agent of 0.2-20% by weight, wetting agent is one or more in aliphatic alcohol sulfate, alkylaryl sulfonates, alkylphenol polyoxyethylene, the fatty alcohol-polyoxyethylene ether;
The dispersant of 0.3-30% by weight, dispersant are lignin sulfonic acid salt such as sodium lignin sulfonate, calcium lignosulfonate, and alkylnaphthalene sulfonate is as drawing back powder, one or more in the salt of naphthalene sulfonic acid-formaldehyde condensation product;
The tackifier of 0.2-10% by weight, tackifier are one or more in dispersed silica gel, aerosil, clay mineral such as bentonite, macromolecular compound such as the xanthans;
The stabilizing agent of 0.2-5% by weight, stabilizing agent is one or more in xanthan gum, the Magnesiumaluminumsilicate;
The defoamer of 0.2-8% by weight, defoamer is organosilicon ketone, C
8-C
10Fatty alcohol, C
10-C
20In aliphatic saturated monocarboxylic acid and ester class thereof, the polymerization glycerine one or more.
10. composition pesticide according to claim 6 is characterized in that described mixed insecticide preparation is a granule, and its auxiliary agent comprises:
The carrier of 5-90% by weight, carrier is one or more in clay, kaolin, mica, talcum, bentonite, Emathlite, silica sand, white carbon, glucose, lactose, maltose, silica gel, silicic acid, dolomite, diatomite, magnesium chloride, ammonium sulfate, phosphatization ammonium, ammonium nitrate, urea, flour, bark powder, shuck powder, the cellulose powder;
By the wetting dispersing agent of 0.2-5% by weight, wetting dispersing agent is one or more in bay alcohol radical sodium sulphate, neopelex, naphthalene or Fluhyzon formaldehyde condensation products and salt, lignin and derivative sulfonate thereof, the alkylphenol-polyethenoxy based phosphates;
The adhesive of 0.5-10% by weight, adhesive is one or more in starch, dextrin, gum Arabic, gelatin, sodium silicate, gypsum, polyvinyl acetate, polyvinyl alcohol, rosin, the paraffin;
By weight 0.5-3% help disintegrant, helping disintegrant is in thiamines, calcium chloride, salt, magnesium chloride, the aluminium chloride one or more;
The adsorbent of 0.5-5% by weight, adsorbent is one or more in white carbon, diatomite, attapulgite, the calcium carbonate;
The stabilizing agent of 0.5-15% by weight, stabilizing agent is one or more in 3-chloro-1,2 epoxy prapane, butyl glycidyl ether, phenyl glycidyl ether, cresyl glycidyl ether, polyethylene glycol diglycidyl ether, the sorb sodium alkoxide.
11. composition pesticide according to claim 6 is characterized in that described mixed insecticide preparation is a water-dispersible granules, its auxiliary agent comprises:
The wetting agent of 2-20% by weight, wetting agent is a saponin, lignosulfite, the hydrolysate of animal waste, alkyl sulfate, alpha-alkene sulfonate, benzene sulfonamide acid alkali metal salt and amine salt, dialkyl group succinic acid sulfonate sodium, fatty alcohol, fatty acid amide N methyl taurine sodium salt, sodium sulfate of polyethenoxy ether of fatty alcohol, alkylphenol polyoxyethylene sulphate, Negel, fatty acid or fatty acid ester sulphate, sodium lignin sulfonate, petroleum sodium sulfonate, alkyl biphenyl ether sulfonic acid sodium, naphtholsulfonic acid formaldehyde condensation products sodium salt, polyoxyethylene carboxylate sodium sulfonate and ammonium salt, alkylphenol polyoxyethylene, in the aliphatic alcohol polyethenoxy one or more;
The binding agent of 1-10% by weight, binding agent is one or more in starch, dextrin, gum Arabic, soybean protein, casein, gelatine and gelatin, sodium silicate, gypsum, polyvinyl acetate, polyvinyl alcohol, rosin, shellac, paraffin, pitch, the ethene-vinyl acetate copolymer resins;
The disintegrant of 2-20% by weight, disintegrant is one or more in sulphur ammonium, calcium chloride, salt, magnesium chloride, aluminium chloride, urea, the bentonite;
The stabilizing agent of 0.5-15% by weight, stabilizing agent is one or more in 3-chloro-1,2 epoxy prapane, butyl glycidyl ether, phenyl glycidyl ether, cresyl glycidyl ether, polyethylene glycol diglycidyl ether, the sorb sodium alkoxide;
The carrier of 5-70% by weight, carrier is one or more in soybean, tobacco, acorn, corncob cellulose, rice husk, sulphur, diatomite, quicklime, magnesium lime, apatite, calcite, dolomite, gypsum, mica, talcum, pyrophyllite, clay, kaolinite, nacrite, dickite, anauxite, montmorillonite, atlapulgite, the float stone.
12. composition pesticide according to claim 6 is characterized in that, described mixed insecticide preparation is a suspending agent, and wherein, during 2% fluorine worm nitrile+4000IU/mg bacillus thuringiensis,Bt, each set of dispense ratio is:
95% the former medicine of fluorine worm nitrile is 2.11% weight ratio,
The Bacillus thuringiensis var.aizawa of 50000IU/mg is 8% weight ratio,
Organic solvent: soya-bean oil 5% weight ratio,
Wetting agent: Tween-20 is 15% weight ratio,
Dispersant: Fluhyzon formaldehyde condensation products NNO is 3% weight ratio,
Tackifier: xanthans is 2% weight ratio,
Preservative: isothiazolinone 0.5% weight ratio,
Antifreezing agent: urea 5% weight ratio,
Anti-photodissociation agent: castor oil is 1% weight ratio,
Water: 58.39% weight ratio.
13. composition pesticide according to claim 6 is characterized in that, described mixed insecticide preparation is a wetting powder, and wherein, during 5% fluorine worm nitrile+8000IU/mg bacillus thuringiensis,Bt, each set of dispense ratio is:
95% the former medicine of fluorine worm nitrile is 5.26% weight ratio,
The former powder of Bacillus thuringiensis var.kurstaki of 50000IU/mg is 16% weight ratio,
Wetting agent: bay alcohol radical sodium sulphate is 15% weight ratio,
Dispersant: Fluhyzon formaldehyde condensation products NNO is 20% weight ratio,
Carrier: kaolin is 43.74% weight ratio.
14. composition pesticide according to claim 6 is characterized in that, described mixed insecticide preparation is an oil-suspending agent, and wherein, during 8% fluorine worm nitrile+8000IU/mg bacillus thuringiensis,Bt, each set of dispense ratio is:
95% the former medicine of fluorine worm nitrile is 8.42% weight ratio,
The former powder of Bacillus thuringiensis var.kurstaki of 50000IU/mg is 1 6% weight ratio,
Emulsifier: farming breast 602 is 7% weight ratio,
Dispersant: sodium lignin sulfonate is 10% weight ratio,
Tackifier: bentonite is 3% weight ratio,
Stabilizing agent: xanthan gum is 2% weight ratio,
Defoamer: organic silicone is 5% weight ratio,
Solvent: castor oil is 48.58% weight ratio.
15. composition pesticide according to claim 6 is characterized in that described mixed insecticide preparation is a water-dispersible granules, wherein, during 10% fluorine worm nitrile+16000IU/mg bacillus thuringiensis,Bt, each set of dispense ratio is:
95% the former medicine of fluorine worm nitrile is 10.52% weight ratio,
The former powder of Bacillus thuringiensis var.aizawa of 50000IU/mg is 32% weight ratio,
Wetting agent: sodium lignin sulfonate is 8% weight ratio,
Binding agent: polyvinyl acetate is 9% weight ratio,
Disintegrant: urea is 15% weight ratio,
Stabilizing agent: butyl glycidyl ether is 1%,
Carrier: atlapulgite is 24.48% weight ratio.
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|---|---|---|---|
| CNA2007101876427A CN101248800A (en) | 2007-11-20 | 2007-11-20 | Agricultural chemical composition containing fipronil and bacillus thuringiensis |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101876427A CN101248800A (en) | 2007-11-20 | 2007-11-20 | Agricultural chemical composition containing fipronil and bacillus thuringiensis |
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| CN101248800A true CN101248800A (en) | 2008-08-27 |
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|---|---|---|---|
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