CN102204555B - Insecticidal and acaricidal composition containing biopesticide and bifenazate - Google Patents
Insecticidal and acaricidal composition containing biopesticide and bifenazate Download PDFInfo
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Abstract
The invention relates to an insecticidal and acaricidal compound composition, comprising effective ingredients of a biopesticide lepimectin and bifenazate, and a weight ratio of the former to the latter is 0.1-50:80-1, wherein a preferred ratio is 0.1-40:50-10. A total mass content of the two active ingredients in the preparation is 5%-9%, and preferred is 10%-60%. Added with a corresponding auxiliary agent and a filling material, the insecticidal and acaricidal composition can be processed into an emulsion in water, a micron emulsion, missible oil, a suspending agent, a wettable powder and a water dispersible granule. The insecticidal and acaricidal composition can be used for controlling a plurality of mite damages, such as red spider, yellow spider, phyllocoptruta oleivora ashmead, polyphagotarsonemus latus, tetranychus cinnabarinus and tetranychus urticae, and insects with piercing-sucking mouthparts, such as aphid, thrip, phylloxera, mealybug, and coccid, in a plurality of fruit trees such as orange, apple, grape, tropic fruit tree, in tea trees, and in a plurality of crops and vegetables such as cotton, soybean, hops and potato.
Description
Technical field:
The present invention relates to the agriculture chemical compounding technical field, be specifically related to a kind of take biopesticide lepimectin and Bifenazate as two yuan of composite high-efficiency environment friendly insecticide acaricide compositions of active ingredient.
Technical background:
Biopesticide lepimectin is total to the derivative of mibemycin (milbemycin) A3/A4 of company's discovery by Japan three, be used for vegetables and the fruit such as wild cabbage, tomato, oranges and tangerines, strawberry and grape as novel pesticide, mainly prevent and treat the insects such as Lepidoptera and Homoptera.This medical instrument has insecticidal activity high, and dosage is few, and free from environmental pollution to the person poultry safety, selectivity is strong, does not injure natural enemy, also is difficult for producing the characteristics such as resistance, can use with the avermectins rotation, in case Avermectin produces resistance.Therefore it is called as one of the most promising wide spectrum at present, efficient, novel insecticide without cross resistance.Structural formula is:
The English general bifenazate by name of Bifenazate is a kind of novel hydrazine ester type compound.It is narrow spectrum miticide, in the active stage of tetranychid, activity is arranged, and also can prevent the ovum phase of the insects such as Tetranychus urticae.Laboratory research shows, and is nontoxic to predatism benefit mite.To the mammal low toxicity, residual life, is short.
As a kind of new hydrazine ester class specialty miticide, exist use cost high in the Bifenazate use procedure, the risk that resistance increases gradually.And because of its characteristic without interior suction, even if the lasting period can reach 30 days, after dispenser, rainfall is very large on the drug effect impact.And rationally mixed with dissimilar miticide, the miticide that especially has systemic action is mixed, is conducive to promote fully Bifenazate, extends its service life.At present, the pesticidal preparations take Bifenazate as active ingredient is take 480g/L Bifenazate suspending agent as main, in the reagent use procedure, quick-acting is good, if but blade two sides and fruit surface can not even spraying, because of it without interior absorption, kill mite thoroughly and use cost high.Study through the inventor and find all to produce good synergistic effect after two yuan of biopesticide lepimectin and Bifenazates is composite, and composite and application there is no relevant report at present about this.
Summary of the invention:
Based on above situation, in order to satisfy the needs of pesticide producing, take full advantage of two kinds of active components be mixed the synergistic effect that produces, improve preventive effect, enlarge insecticidal spectrum, reduce agricultural cost and delay the generation of pest resistance to insecticide, the present invention proposes a kind of new insect-killing and mite-killing agent composition: said composition contains A, two kinds of active components of B, component A is selected from biopesticide lepimectin, and B component is selected from Bifenazate.
Described take A biopesticide lepimectin and B Bifenazate as two yuan of composite insecticide acaricide compositions of active ingredient, the percentage by weight of effective constituents A and B is 0.1～50: 80～1.
Described take A biopesticide lepimectin and B Bifenazate as two yuan of composite insecticide acaricide compositions of active ingredient, the percentage by weight of effective constituents A and B is 0.1～40: 50～10.
It is one of key character of the present invention that A, two kinds of active components of B are re-dubbed new compositions according to a certain percentage, and another feature is that the described formulation that can be made into take A biopesticide lepimectin and B Bifenazate as two yuan of composite insecticide acaricide compositions of active ingredient is as aqueous emulsion, microemulsion, missible oil, suspending agent, wetting powder, water dispersible granules.
Described A, the gross mass content of two kinds of active components of B in preparation are 5%-90% take A biopesticide lepimectin and B Bifenazate as two yuan of composite insecticide acaricide compositions of active ingredient, preferred 10%-60%; All the other are usual auxiliaries in agricultural chemicals.
Insecticide acaricide composition of the present invention has obvious synergistic effect, can enlarge insecticidal spectrum, reduce effective ingredient consumption, reduce costs, delay the generation of pest resistance to insecticide, effectively environmental contamination reduction and residue of pesticide are used for anti-ly eliminating aphis, the lepidopterous insects such as the Homoptera sucking pest such as plant hopper, aleyrodid, leafhopper and diamond-back moth, beet armyworm, prodenia litura, cotton bollworm, striped rice borer, mealybug class, and the mite pest preventive effects such as two spotted spider mite are remarkable.
Embodiment:
In order to make purpose of the present invention, technical scheme and advantage clearer, the present invention describes with following specific embodiment, but the present invention is limited to absolutely not these examples.The following stated is only the present invention embodiment preferably, only is used for explaining the present invention, can not therefore be interpreted as the restriction to the scope of the claims of the present invention.Should be pointed out that all any modifications of making within the spirit and principles in the present invention, be equal to replacement and improvement etc., within all should being included in protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with appended claims.
The formulation embodiment:
In following technical scheme, component A is selected from biopesticide lepimectin, and B component is selected Bifenazate.
One of technical scheme of the present invention, described insecticide acaricide composition are cream preparation, and the percentage by weight of component is:
The concrete production stage of this cream preparation is, first biopesticide lepimectin and Bifenazate are added in solvent and to add again emulsifier, the synergist rear oily liquids that becomes homogeneous transparent that stirs after dissolving fully, can namely makes the cream preparation that contains the insecticide acaricide composition of biopesticide lepimectin and Bifenazate of the present invention.
Two of technical scheme of the present invention, described insect-killing and mite-killing agent composition are aqueous emulsion, and the percentage by weight of component is:
The concrete production stage of this aqueous emulsion is: at first former medicine biopesticide lepimectin and Bifenazate, solvent, emulsifier, cosolvent are added together, make to be dissolved into uniform oil phase; Other auxiliary agents such as part water, antifreeze, antimicrobial are mixed into uniform water; When the reactor high speed stirs, oil phase is added water, slowly add water to the phase inversion point, open clipper and carry out high speed shear, and add remaining water, shear about half an hour, form the aqueous emulsion of oil-in-water type, make the aqueous emulsion preparation of the insecticide acaricide composition that contains biopesticide lepimectin and Bifenazate.
Three of technical scheme of the present invention, when described Pesticidal combination was microemulsion, the percentage by weight of component was:
The concrete production stage of this microemulsion is: former medicine biopesticide lepimectin, Bifenazate are dissolved fully with cosolvent, add again other compositions such as emulsifier, antifreezing agent stabilizing agent, evenly mix, add at last entry, can be made into microemulsion after fully stirring.
Four of technical scheme of the present invention, described insecticide acaricide composition are suspending agent, and the percentage by weight of component is:
The concrete production stage of this suspending agent is, first other auxiliary agents are mixed, mix through high speed shear, add active ingredient biopesticide lepimectin and Bifenazate, ball milling is 2～3 hours in ball mill, make a diameter all below 5 μ m, make the suspending agent preparation that contains the insecticide acaricide composition of agricultural chemicals lepimectin and Bifenazate of the present invention.
Five of technical scheme of the present invention, described miticide composition is wetting powder, the percentage by weight of component is:
The concrete production stage of this wetting powder is: by above-mentioned formula, biopesticide lepimectin, Bifenazate and dispersant, wetting agent and filler are mixed, uniform stirring in stirred tank, mixing after airslide disintegrating mill is pulverized, can make the wetting powder of the present composition.
Six of technical scheme of the present invention, described insecticide acaricide composition are water dispersible granules, and the percentage by weight of component is:
The concrete production stage of this water dispersible granules is: by above-mentioned formula, biopesticide lepimectin, Bifenazate, dispersant, wetting agent and disintegrant and filler are mixed, pulverize with micro jet, through mediating, then add and carry out granulation, dry screening in the fluidized bed prilling dryer by sample analysis, make the water-dispersible grain agent formulation that contains the insecticide acaricide composition of biopesticide lepimectin and Bifenazate of the present invention.
Emulsifier is alkylbenzene naphthalene sulfonate, alkylphenol polyoxyethylene phosphate, diphenyl phenol polyethenoxy polyethenoxy ether, styrenated phenol APEO, alkylphenol polyoxyethylene formaldehyde condensation products, diphenyl phenol polyethenoxy polyformaldehyde condensation product, castor oil ethylene oxide adduct and derivative thereof, such as agriculture breast 300, agriculture breast 500, agriculture breast 600, Nongru-700, agriculture breast SorplKS, OX2511, NNO, NP series etc., emulsifier can be the mixture of one or more
Dispersant has one or several the mixture in lignosulfonates, fatty acid amide N methyl taurine sodium salt, alkylphenol polyoxyethylene sulphate, lignosulfite, fatty acid ester sulphate, polyoxyethylene polyoxypropylene block copolymer, alkylphenol polyoxyethylene, fatty alcohol-polyoxyethylene ether.
Wetting agent is one or several the mixture in fatty acid amide N methyl taurine sodium salt, lignosulfonates, alkylphenol polyoxyethylene sulphate, petroleum sodium sulfonate, alkylnaphthalene sulfonate, fatty acid ester sulphate, alkylphenol polyoxyethylene, fatty alcohol-polyoxyethylene ether, lignosulfite, the withered powder of tea, spaonin powder.
Thickener is one or more the mixture in CMC, polyvinyl alcohol, xanthans, gum Arabic, sodium alginate, polyvinylpyrrolidone, bentonite, aluminium-magnesium silicate, gypsum.
Penetrating agent is one or both the mixture in Laurocapram, JFC.
Defoamer can be one or more the mixture in organic silicone oil, methyl alcohol, ethanol, epoxidized soybean oil.
Antifreezing agent is one or more the mixture in ethylene glycol, propane diols, glycerine, polyethylene glycol, sorbierite.
PH value conditioning agent is one or more the mixture in sodium hydroxide, potassium hydroxide, ammoniacal liquor, hydrochloric acid, acetic acid, phosphoric acid or citric acid.
Solvent and cosolvent have one or more the mixture in water, methyl alcohol, ethanol, butanols, ethylene glycol, propane diols, glycerine, polyethylene glycol, acetone, cyclohexanone, pyrrolidones, toluene, dimethylbenzene, ethyl acetate, dimethyl formamide (DMF), dimethyl sulfoxide (DMSO) (DMSO).
Disintegrant can be one or more the mixture in urea, magnesium chloride, aluminium chloride, sodium chloride, ammonium sulfate, bentonite.
Carrier is one or more the mixture in kaolin, diatomite, atlapulgite, White Carbon black, clay, precipitated calcium carbonate, talcum powder, montmorillonite.
Indoor biometrics screening and field experiment:
The method that the present invention adopts indoor bioassay and field trial to combine.If no special instructions, the ratio of below mentioning (comprising percentage) is all mass ratio.
Indoor biometrics:
The synergy test of biopesticide lepimectin and Bifenazate.It is tested object that wheat aphid is adopted in test.
Concrete grammar is:
(1) test medicine:
The former medicine of 85%lepimectin, the 97% former medicine of Bifenazate, the equal Qingdao of above-mentioned former medicine sea rel medicine company group provides.
First use the former medicine of acetone solution, according to the result of preliminary experiment, two appropriate former medicines are made into 5 different proportionings, then with acetone, each is processed that to be diluted to respectively 5 series concentration gradients stand-by.The ratio of 5 lepimectin proportioning active ingredients different from Bifenazate was respectively 1: 29; 3: 27; 5: 25; 7: 23; Respectively be diluted to 5 series concentration gradients at 9: 21 stand-by.
(2) subjects:
The field population that Qingdao Agricultural University's experimental field of wheat picks up from wheat aphid system, during experiment, the consistent aptery one-tenth aphid of picking Individual Size supplies examination.
(3) test method:
The drop method that adopts NY/T 1154.1-2006 to recommend is measured.With micro intravenous drip device solvent clean, regulate dropper to stand-by state.Choose the examination worm CO of neat and consistent with writing brush
2Slight anesthesia is placed in the 9cm culture dish, then with the micro intravenous drip device, medicament is pursued a drop in the polypide belly of examination worm, and every some drops physic liquor 0.1L contains the contrast that is treated to of corresponding acetone with drop 0.1L.It is normally to cultivate in 65% culturing room that examination worm after drop is transferred to respectively (26 ± 2) ℃, relative moisture.Every processing 4 times repeats, and often repeats to try 120 of worms, 480 of every processing examination worms.
After processing, 24h investigation examination worm death condition (judgement is gently to sting without autonomic response with pin for examination worm death standard), record total borer population and dead borer population.
According to survey data, calculate the corrected mortality that each is processed.And adopt the abundant method of Sun Yun to calculate the co-toxicity coefficient (CT value) of mixture with reference to NY/T1154.7-2006.If contrast lethality＜5% is not proofreaied and correct; The contrast lethality by formula 2 is proofreaied and correct between 5%～20%; Contrast lethality＞20%, test need be reformed.
(4) data statistics and analysis
Take the logarithm value of drug concentration (mg/L) as independent variable X, take the probit value of corrected mortality as dependent variable Y, set up respectively the virulence regression equation formula, adopt DPS software to calculate the LC of single dose and each proportioning mixture
50And mixture co-toxicity coefficient, relatively synergy situation.Calculate LC
50Calculate co-toxicity coefficient (CTC) according to the abundant method of Sun Yun.Co-toxicity coefficient CTC, computing formula is as follows: (take lepimectin as the standard medicament, its toxicity index is 100):
The LC of the toxicity index of Bifenazate (TI)=lepimectin
50The LC of/Bifenazate
50* 100
The LC of the actual toxicity index (ATI) of M=lepimectin
50The LC of/M
50* 100
The TI of the TI of the theoretical toxicity index (TTI) of M=lepimectin * P lepimectin+ Bifenazate * P Bifenazate
The TTI of the ATI/M of the co-toxicity coefficient of M (CTC)=M * 100
In formula:
M is Bifenazate and the mixture of the different proportionings of lepimectin
The P Bifenazate is Bifenazate shared ratio in mixture
P lepimectin is lepimectin shared ratio in mixture
(5) toxicity test result and analysis
Table 1 lepimectin, the Bifenazate indoor measurement result to wheat aphid
As can be seen from the table, in being mixed of different proportion, its co-toxicity coefficient shows certain synergistic effect, wherein lepimectin all greater than 120: Bifenazate is that the synergistic effect of 3: 27 is the most obvious, and co-toxicity coefficient is 148.27.Result of the test shows, Bifenazate, two kinds of medicaments of lepimectin all have higher activity to wheat aphid under indoor conditions, and the result of the test of different proportion proportioning shows, in active ingredient ratio lepimectin: Bifenazate is 1: 29; 3: 27; 5: 25; 7: 23; When respectively diluting all show stronger synergistic effect at 9: 21, wherein take lepimectin: Bifenazate is at 3: 27 o'clock, and synergistic effect is best.Suggestion is carried out further field control effectiveness test to the mixture preparation of 3: 27 left and right scopes of suitable proportion, to estimate its field practical application effect.
Test example 1: field experiment control wheat aphid
(1) test method
Test and carry out the reagent spray processing on April 17th, 2010, carry out in Chen Jing village, Yancheng City Tinghu District Qing Dun town, three ditches are supporting, and irrigation and drainage are convenient, the crop rotation of rice wheat, front stubble is paddy rice, the experimental field wheat was sowed on October 13rd, 2009, shallow rotary tillage machine sowing, and the better soil texture of wheat growing way is clay, middle fertility, pH value 7.1.The per hectare dosage is to the conventional spraying of water 600kg.Spraying equipment bodyguard WS one 16 type manual sprayers, cone nozzle spraying, operating pressure 0.2～0.4MPa, flow 0.65～0.88L/min.
(2) investigation method
Each is processed and adopts 5 sampling methods of diagonal, and 100 strain wheats are counted in every some sampling 20 strains, investigate the Aphed population of each residential quarter at every turn.Investigation Aphed population before dispenser is after dispenser 3,7,14d investigates residual worm amount, calculation correction preventive effect.
(3) drug effect computational methods
Borer population alive * 100% before insect population decline rate (%)=(borer population of living after borer population one medicine of living before medicine)/medicine
Control efficiency (%)=(CK insect population decline rate one chemicals treatment insect population decline rate)/CK insect population decline rate * 100%
(4) poisoning investigation method
After medicine 3,7,14d observes the wheat growth situation, the range estimation medicament to wheat all without poisoning.
(5) field control effectiveness test result of the test
Table 2 treatment agent control wheat aphid field control effectiveness test result
As can be seen from Table 2, the Mixed Pharmacy of different proportion, carry out field experiment by different consumptions, after medicine, its control efficiency to wheat aphid all is better than contrasting medicament, 3%lepimectin+27% Bifenazate insecticidal effect of 7 days after medicine is respectively 85.74%, 87.91% and 90.75%, and insecticidal effect increases progressively along with the increase of consumption.According to the field range estimation, in the test dose scope, plant growth is normal, and the poisoning phenomenon to wheat does not all appear in each treatment agent, illustrates that it is safe to wheat.In process of the test, testing crew finds that it also has favorable effect to insects such as wheat midges, advises that the insecticide different from the mechanism of action mixes use to delay the generation of pest resistance to insecticide.
Test example 2: field experiment control two spotted spider mite
(1) test method
Test selection Guizhou silkworm industry research institute citrus orchard carries out.Kind is citrus reticulata“Unshiu”, and field planting is 25 years.Spray medicine in morning May 23 that citrus red mite is the peak period, by working concentration, reagent agent is diluted water, according to a conventional method tree crown is sprayed with workers and peasants-16 type knapsack sprayer, being sprayed onto blade at the Citrus leaf positive and negative has to drip on a small quantity and is degree, contrast spray equivalent clear water.
(2) investigation method
Carry out the insect density investigation respectively at 2d, 4d, 6d before dispenser and after dispenser, 4 directions of the East, West, South, North of setting in each residential quarter are respectively selected 1 branch, 5 blades of every tip mark, the movable mite quantity on 20 blades of 4 tips of investigation records altogether.Calculate insect population decline rate and control efficiency with following formula.
(3) drug effect computational methods
Mite number alive * 100% before insect population decline rate (%)=(the mite number of living after the front several medicines of mite of living of medicine)/medicine
Control efficiency (%)=[(processing decline rate one contrast decline rate)/(100-contrasts decline rate)] * 100%
(4) poisoning investigation method
After medicine 1,3,5,7d observes the wheat growth situation, the range estimation medicament to wheat all without poisoning.
(5) field control effectiveness test result of the test
The result of the test of table 3 treatment agent control Unaspis yanonensis
As can be seen from Table 3, the Mixed Pharmacy of different proportion, carry out field experiment by different consumptions, after medicine, its control efficiency to Unaspis yanonensis all is better than contrasting medicament, 3%lepimectin+27% Bifenazate insecticidal effect of 5 days after medicine is respectively 90.51%, 92.36% and 94.53%, and insecticidal effect increases progressively along with the increase of consumption.According to the field range estimation, in the test dose scope, plant growth is normal, and the poisoning phenomenon to oranges and tangerines does not all appear in each treatment agent, illustrates that it is safe to oranges and tangerines.In process of the test, testing crew finds that it also has favorable effect to insects such as two spotted spider mite, advises that the insecticide different from the mechanism of action mixes use to delay the generation of pest resistance to insecticide.
combine above result of the test described, the present invention contains biopesticide lepimectin and the composite Pesticidal combination of Bifenazate, to two spotted spider mite, the acarids such as Unaspis yanonensis show good control efficiency, to the target crop safety, compare with single dose, Pesticidal combination of the present invention has mechanism of action uniqueness, consumption is few, quick-acting is good, the advantage that lasting period is long, so, in research and development of the present invention and popularization, great social effect is arranged, can produce very large economic worth, to the fruit such as vast oranges and tangerines main producing region, the increasing both production and income of the peasant household of the main producing regions, land for growing field crops such as wheat and the protection tool of local environment are of great significance.
Claims (4)
1. insecticide acaricide composition that contains biopesticide lepimectin and Bifenazate, it is characterized in that: the active ingredient of this insecticide acaricide composition is A biopesticide lepimectin and B Bifenazate, and wherein the mass ratio of effective constituents A and B is 1:29; 3:27; 5:25; 7:23; 9:21.
2. insecticide acaricide composition according to claim 1, it is characterized in that: effective constituents A and the B gross weight in preparation accounts for the 5%-90% of the whole quality of the pharmaceutical preparations; All the other are usual auxiliaries in agricultural chemicals.
3. insecticide acaricide composition according to claim 2, it is characterized in that: effective constituents A and the B gross weight in preparation accounts for the 10%-60% of the whole quality of the pharmaceutical preparations; All the other are usual auxiliaries in agricultural chemicals.
4. according to claim 1 and 2 or 3 described insecticide acaricide compositions, it is characterized in that: the formulations of pesticide that this insecticide acaricide composition can be mixed with are aqueous emulsion, microemulsion, missible oil, suspending agent, wetting powder, water dispersible granules.
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| CN115088714A (en) * | 2022-06-30 | 2022-09-23 | 广西南亚热带农业科学研究所 | Pesticide composition for preventing and treating psylla chinensis |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1252220A (en) * | 1998-10-23 | 2000-05-10 | 拜尔公司 | Composition with pesticide and miticide property active compound |
| WO2009043442A1 (en) * | 2007-09-26 | 2009-04-09 | Bayer Cropscience Ag | Active agent combinations having insecticidal and acaricidal properties |
| CN101626687A (en) * | 2007-03-08 | 2010-01-13 | 明治制果株式会社 | Pest control composition |
| CN101919389A (en) * | 2010-08-27 | 2010-12-22 | 青岛海利尔药业有限公司 | Miticide and pesticide composition containing bifenazate and spirotetramat |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1252220A (en) * | 1998-10-23 | 2000-05-10 | 拜尔公司 | Composition with pesticide and miticide property active compound |
| CN101626687A (en) * | 2007-03-08 | 2010-01-13 | 明治制果株式会社 | Pest control composition |
| WO2009043442A1 (en) * | 2007-09-26 | 2009-04-09 | Bayer Cropscience Ag | Active agent combinations having insecticidal and acaricidal properties |
| CN101919389A (en) * | 2010-08-27 | 2010-12-22 | 青岛海利尔药业有限公司 | Miticide and pesticide composition containing bifenazate and spirotetramat |
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