CN103004857B - A kind of Pesticidal combination containing Biphenthrin and chlorfenapyr - Google Patents
A kind of Pesticidal combination containing Biphenthrin and chlorfenapyr Download PDFInfo
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- CN103004857B CN103004857B CN201210566027.8A CN201210566027A CN103004857B CN 103004857 B CN103004857 B CN 103004857B CN 201210566027 A CN201210566027 A CN 201210566027A CN 103004857 B CN103004857 B CN 103004857B
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Abstract
The present invention relates to a kind of Pesticidal combination containing Biphenthrin and chlorfenapyr, its active ingredient is Biphenthrin and chlorfenapyr binary built.Wherein the mass ratio of Biphenthrin and chlorfenapyr is 1:9; 2:8; 3:7; 4:6; 5:5, in preparation, the gross mass of active ingredient Biphenthrin and chlorfenapyr accounts for the 1%-80% of whole preparation gross mass, all the other are for allowing the auxiliary element using and accept in agricultural chemicals, the formulations of pesticide that Pesticidal combination of the present invention can be made are missible oil, suspending agent, wetting powder, water dispersible granules, aqueous emulsion, microemulsion.Effectively can prevent and treat the various pests in the orders such as Lepidoptera, Homoptera, coleoptera, be widely used in the control to the insect such as the cotton bollworm in crop resistance insect, cabbage caterpillar, macula lutea stinkbug, eating attraction, tetranychid, vegetable aphid, diamond-back moth, beet armyworm, prodenia litura, Americal rice leaf miner, beans wild snout moth's larva, thrips, two spotted spider mite.
Description
Technical field
The present invention relates to technical field of pesticide combination, particularly relate to a kind of Pesticidal combination containing Biphenthrin and chlorfenapyr.
Background technology
Biphenthrin has another name called Uranus, clever, the de-mite of worm mite reaches, bifenthrin, Bi Fenning etc.The efficient synthetic pyrethroid class Insecticidal and acaricidal agent that early 1980s appears on the market.Biphenthrin has tags and stomach poison function, without interior suction and fumigation activity.Biphenthrin knocks down speed soon, and the longevity of residure is long, and insecticidal spectrum is wide, also has favorable effect to mite.Be mainly used in preventing and treating each Species of Lepidopterous Larvae, aleyrodid, aphid, phytophagy tetranychid.Biphenthrin chemistry 1R, S by name)-cis-(Z)-2,2-dimethyl-3-(chloro-3,3, the 3-tri-fluoro-1-acrylic of 2-) cyclopropane-carboxylic acid-2-methyl-3-phenyl benzyl ester.Its chemical constitution be for
.
Chlorfenapyr belongs to aryl pyrrole compounds, be succeeded in developing by American Cyanamid Company a kind of new type heterocycle class desinsection, kill mite, nematocide.Insecticidal spectrum is wide, and toxicity is low, and desinsection speed is fast, and the lasting period is long especially, breaks up resistance, eliminates mechanism of action uniqueness, different from other insecticide mechanism of action, and without cross resistance, the insect that the antagonism property of medicine is serious is efficient equally.Fabulous preventive effect is had, especially to the special efficacy such as the diamond-back moth in vegetables resistant insect, beet armyworm, prodenia litura, Americal rice leaf miner, beans wild snout moth's larva, thrips, two spotted spider mite to 70 various pests in the orders such as Lepidoptera, Homoptera, coleoptera.Chlorfenapyr chemistry 4-bromo-2-(4-chlorphenyl)-1-(ethoxyl methyl)-5-(trifluoromethyl) pyrroles-3-nitrile by name, its chemical structural formula is
。
In the real process of agricultural production, using chemical agent is the most effective means of control plant pest, but is the generation of pest resistance to insecticide by the problem that chemical control insect the most easily produces.And long-term use single chemical insecticide continuously high dose, easily cause the series of problems such as the remaining of medicament, environmental pollution.Composite or the mixture of rational chemical insecticide has expansion insecticidal spectrum, improve control efficiency, extend the optimum period for applying fertilizer, reduce dosage, reduce poisoning, minimizing remains, delay pest resistance and the actively feature such as drug-fast generation and development, pesticide compositional or mixture are one of the effective methods the most solved the problem.We are on the basis of lab screening and field trial, filter out carry out Biphenthrin and chlorfenapyr composite, there is obvious synergistic effect.And there is no people at present about Biphenthrin and the composite Pesticidal combination of chlorfenapyr and application and reported.
Summary of the invention
Based on above situation, the object of the invention is to provide a kind of new and effective agricultural insecticide composition.Effectively can prevent and treat the various pests in the orders such as Lepidoptera, Homoptera, coleoptera, be widely used in the control to the insect such as the cotton bollworm in crop resistance insect, cabbage caterpillar, macula lutea stinkbug, eating attraction, tetranychid, vegetable aphid, diamond-back moth, beet armyworm, prodenia litura, Americal rice leaf miner, beans wild snout moth's larva, thrips, two spotted spider mite.
Technical scheme of the present invention is realized by following measures:
Contain a Pesticidal combination for Biphenthrin and chlorfenapyr, the active ingredient in this Pesticidal combination is that Biphenthrin and chlorfenapyr two yuan are composite.All the other are auxiliary element.In wherein said Pesticidal combination, the mass ratio of active ingredient Biphenthrin and chlorfenapyr is 1:9; 2:8; 3:7; 4:6; 5:5.
The formulations of pesticide that described Pesticidal combination of the present invention can be prepared are missible oil, suspending agent, wetting powder, water dispersible granules, aqueous emulsion, microemulsion.Wherein active ingredient Biphenthrin and chlorfenapyr gross mass in the formulation accounts for 1% ~ 80% of the whole quality of the pharmaceutical preparations, and when wherein accounting for 5% ~ 50%, toxicity reaches good balance with residual, and cost is also lower.
The specific embodiments of the formulations of pesticide that desinsection of the present invention and composition are mixed with is as follows:
Described Pesticidal combination is cream preparation, and the mass fraction of component is:
Biphenthrin 1 ~ 75 part
Chlorfenapyr 1 ~ 75 part
Conventional emulsifier 10 ~ 30 parts
Conventional solvents 20 ~ 50 parts
Conventional synergist 1 ~ 5 part.
The concrete production stage of this cream preparation be first active ingredient Biphenthrin and chlorfenapyr to be added in solvent dissolve completely after add emulsifier again, synergist becomes transparent and homogeneous oily liquids after stirring, filling, namely can be made into the cream preparation of the present composition.
Described Pesticidal combination is suspending agent, and the mass fraction of component is:
Biphenthrin 1 ~ 75 part
Chlorfenapyr 1 ~ 75 part
Dispersant 5 ~ 20 parts
Antifreezing agent 1 ~ 5 part
Thickener 0.1 ~ 2 part
Defoamer 0.1 ~ 0.8 part
Penetrating agent 0 ~ 10 part
PH value regulator 0.1 ~ 5 part
Water surplus.
The concrete production stage of this suspending agent is for first to mix other auxiliary agents, mix through high speed shear, add active ingredient Biphenthrin and chlorfenapyr, abrading-ball 2 ~ 3 hours in ball crusher, make a diameter all at below 5mm, namely can be made into the aqueous suspension formulations of the present composition.
Described Pesticidal combination is wetting powder, and the mass fraction of component is:
Biphenthrin 1 ~ 75 part
Chlorfenapyr 1 ~ 75 part
Dispersant 3 ~ 10 parts
Wetting agent 1 ~ 5 part
Filler surplus.
The concrete production stage of this wetting powder is: by above-mentioned formula by active ingredient Biphenthrin and chlorfenapyr and the mixing of dispersant, wetting agent and filler, uniform stirring in stirred tank, mixing after airslide disintegrating mill, namely can be made into the wetting powder of the present composition.
Described Pesticidal combination is water dispersible granules, and the mass fraction of component is:
Biphenthrin 1 ~ 75 part
Chlorfenapyr 1 ~ 45 part
Dispersant 3 ~ 10 parts
Wetting agent 1 ~ 10 part
Disintegrant 1 ~ 5 part
Filler surplus.
The concrete production stage of this water dispersible granules is: active ingredient Biphenthrin, chlorfenapyr and dispersant, wetting agent, disintegrant and filler are mixed by above-mentioned formula, pulverize with micro jet, through mediating, then add in fluidized-bed granulation dryer and to carry out after granulation, drying, screening, through sample analysis, namely can be made into the water dispersible granules of the present composition.
Wherein above-described emulsifier is selected from calcium dodecyl benzene sulfonate and aliphatic acid polyethenoxy ether, alkylphenol polyoxyethylene sulfosuccinate, styrylphenol polyoxyethylene ether, polyoxyethylene nonylphenol ether, castor oil polyoxyethylene ether, aliphatic acid polyethenoxy base ester, any one in polyoxyethylene aliphatic alcohol ether or more than one any mixtures than composition.
Described solvent is dimethylbenzene or biodiesel, toluene, diesel oil, methyl alcohol, ethanol, n-butanol, isopropyl alcohol, turpentine oil, solvent naphtha, dimethyl formamide, dimethyl sulfoxide (DMSO), and one or more in water equal solvent are arbitrarily than the mixture of composition.
Described dispersant is selected from polycarboxylate, lignosulfonates, alkylphenol polyoxyethylene methyl ether condensate sulfate, alkylsulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol polyoxyethylene, polyoxyethylene carboxylate, aliphatic amine polyoxyethylene ether, one or more in fatty acid glyceride APEO.
Described wetting agent is selected from lauryl sodium sulfate, calcium dodecyl benzene sulfonate, Nekal BX, moistening bleeding agent F, alkylbenzenesulfonate polyoxyethylene triphen phosphenylic acid salt dimly, spaonin powder, silkworm excrement, one or more in soapberry powder.
Described disintegrant is selected from bentonite, urea, ammonium sulfate, aluminium chloride, citric acid, succinic acid, one or more in sodium bicarbonate.
Described thickener is selected from xanthans, carboxymethyl cellulose, carboxyethyl cellulose, methylcellulose, Magnesiumaluminumsilicate, in polyvinyl alcohol one or more.
Described stabilizing agent is selected from sodium citrate, the one in resorcinol.
Described antifreezing agent is selected from ethylene glycol, propane diols, one or more in glycerine.
Described defoamer is selected from silicone oil, silicone compound, C10-20 saturated fat acid compounds, one or more of C8-10 fatty alcohol.
Described filler is selected from kaolin, diatomite, bentonite, attapulgite, white carbon, starch, one or more in precipitated calcium carbonate.
Active ingredient Biphenthrin and chlorfenapyr is composite has obvious synergistic effect in Pesticidal combination of the present invention, can reduce effective ingredient consumption, delay the generation of pest resistance to insecticide, and reduce into product cost and use cost, can be used for the improvement of resistant insect.Effectively can prevent and treat the various pests in the orders such as Lepidoptera, Homoptera, coleoptera, be widely used in the control to the insect such as the cotton bollworm in crop resistance insect, cabbage caterpillar, macula lutea stinkbug, eating attraction, tetranychid, vegetable aphid, diamond-back moth, beet armyworm, prodenia litura, Americal rice leaf miner, beans wild snout moth's larva, thrips, two spotted spider mite.This invention significantly can make up the deficiency that biological species agricultural chemicals Biphenthrin and chlorfenapyr are leavened dough in quick-acting, accomplishes that quick-acting and lasting effect are taken into account, and compares chemical classes agricultural chemicals, residual low, easily decomposes, more environmental protection.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, the following specific embodiment of the present invention is described, but the present invention is only limitted to absolutely not these examples.The method that the present invention adopts indoor bioassay and field trial to combine.If no special instructions, the ratio (comprising percentage) below mentioned is all ratio of quality and the number of copies.
Embodiment: Biphenthrin and the experiment of chlorfenapyr different ratio co-toxicity.
1.1 reagent agent
The former medicine of Biphenthrin of 95%, the chlorfenapyr raw material pesticide of 98%, above-mentioned former medicine provides by research and development department of Qingdao Hailir Pesticides and Chemical Co., Ltd..
1.2 test targets
Indoor raised for 5 generations continuously and the third-instar larvae of its Individual Size responsive type beet armyworm consistent with physiological status.Temperature (25 ± 2) DEG C.Relative moisture 65% ± 5%, periodicity of illumination 12/12h (L/D).
1.3 experimental procedure
1.3.1 medicament preparation
First use the former medicine of acetone solution, appropriate two former medicines are made into 5 different ratio by the result according to preliminary experiment, then it is stand-by each process to be diluted to respectively 5 concentration gradients with acetone, the ratio of 5 Biphenthrins and chlorfenapyr different ratio active ingredient is respectively 1:9,2:8,3:7,4:6,5:5.
1.3.2 chemicals treatment
The drop method adopting NY/T1154.1-2006 to recommend measures.By micro intravenous drip device solvent clean, regulate dropper to stand-by state.The examination worm CO2 mild paralysis choosing neat and consistent with writing brush is placed in 9cm culture dish, then with micro intravenous drip device, medicament is dripped to the belly of polypide by head, every some drops physic liquor 0.1L, the process of the corresponding acetone contained with drop 0.1L is contrast, and the examination worm after drop is moved to (28
2) DEG C, normally cultivate in the culture dish of relative moisture 75%.Often process and repeat for 4 times, often repeat 20 examination worms.
1.4 control time
After process, 24h investigation examination worm death condition (judging that examination worm death standard gently stings without autonomic response with pin), records total borer population and dead borer population.
1.5 data statistics and analysis
According to investigation statistics, calculate the corrected mortality of each process.And adopt the abundant method of Sun Yun to calculate the co-toxicity coefficient (CTC value) of mixture with reference to NY/T1154.7-2006.If contrast lethality <5%, does not correct, contrast lethality, between 5%-20%, corrects by formula 2, and contrast lethality >20%, test need be reformed.
Be independent variable x with the logarithm value of drug concentration (mg/L), with the probability value of corrected mortality for dependent variable y, set up virulence regression equation formula respectively, the LC50 adopting DPS software to calculate single dose and each proportioning mixture calculates co-toxicity coefficient (CTC) according to the abundant method of Sun Yun.Co-toxicity coefficient CTC, computing formula is as follows: (take Biphenthrin as standard agent, its toxicity index is 100):
LC50 × 100 of the LC50/ chlorfenapyr of toxicity index (the TI)=Biphenthrin of chlorfenapyr
LC50 × 100 of the LC50/M of true toxicity index (the ATI)=Biphenthrin of M
TI × P chlorfenapyr of TI × P Biphenthrin+chlorfenapyr of theoretical toxicity index (the TTI)=Biphenthrin of M
TTI × 100 of the ATI/M of co-toxicity coefficient (the CTC)=M of M
In formula:
M is the mixture of Biphenthrin and chlorfenapyr different ratio
P Biphenthrin is the ratio of Biphenthrin shared by mixture
P chlorfenapyr is the ratio of chlorfenapyr shared by mixture.
2.1 toxicity test results
Table 1 Biphenthrin, chlorfenapyr are to the indoor measurement result of beet pretty young woman at night
As can be seen from the table, in active ingredient emamectin benzoate: triflumuron ratio is 1:9; 2:8; 3:7; 4:6; When 5:5 dilutes respectively, its co-toxicity coefficient is all greater than 120, shows certain synergistic effect, wherein Biphenthrin: chlorfenapyr is that the synergistic effect of 3:7 is the most obvious, and co-toxicity coefficient is 156.35.Result of the test shows, Biphenthrin and chlorfenapyr all have higher activity to beet armyworm in room conditions, advises carrying out further field control effectiveness test to suitable proportion about 3:7 mixture preparation, to evaluate its field practical application effect.
The experimental result of 3 field trial control beet armyworms, thrips
3.1 field trial control beet armyworms
3.1.1 test method
Test is carried out at Kaiping City of Guangdong Province suburb truck garden.Routine is carried out to water spray by each process design concentration.Spraying equipment is WF-16 type knapsack hand sprayer, and shower nozzle is single fan nozzle, and operating pressure is 0.2-0.4Mpa, and spray amount is 0.36-0.48L/min, carries out routine spraying, makes every effort to evenly thoughtful during spray medicine.During dispenser, field beet armyworm is 1 ~ 2 instar larvae peak period.
Duration of test weather is good, and daily mean temperature is 17.8 ~ 26.4 DEG C.Dispenser same day is without rain.
3.1.2 investigation method
In dispenser Qian Mei community by diagonal 5 sampling. often some wild cabbage 2 ~ 3 strain (depending on insect density) choosing Beet Armyworm Eggs and larva.Beet exigua larvae head number in probability demarcation strain. in this, as insect population radix before dispenser.After dispenser the 3rd, 7,10d investigates the beet exigua larvae number determining residual survival in strain respectively. to correct Revision insect recluced rate as control efficiency.
3.1.3 drug effect computational methods
Revision insect recluced rate (%)=(after medicine prelarva number-medicine larva number)/medicine prelarva number × 100
Preventive effect (%)=(treatment region Revision insect recluced rate-contrast Revision insect recluced rate)/(100-check plot Revision insect recluced rate) × 100.
3.1.4 poisoning investigation method
Within 1,3,7,14 days after medicine, observe wild cabbage growing state, estimate medicament to wild cabbage without poisoning.
3.1.5 field control effectiveness test result
The experimental result of table 2 treatment agent control beet armyworm
The Mixed Pharmacy of different proportion as can be seen from Table 2, tests by different consumptions, and after medicine, it is all better than contrasting medicament to the control of beet armyworm.10% Biphenthrin (3%) chlorfenapyr (7%) insecticidal effect of 14 days after medicine is respectively 88.80,91.20,93.60..Insecticidal effect increases progressively with the increase of dosage.According to field range estimation, within the scope of test dose, plant growth is normal, and the poisoning phenomenon to wild cabbage does not all appear in individual treatment agent, illustrates that it is safe to wild cabbage.Advise that the insecticide different from the mechanism of action is used in combination with the generation delaying pest resistance to insecticide.
4.1 field experiment control Frankliniella occidentalis tests
4.1.1 test method
Test in Liquan capsicum ground, Xianyang, Shanxi province city, thrips is contained the phase of sending out and carries out.Use WF-16 type knapsack hand sprayer, shower nozzle is single fan nozzle, and operating pressure is 0.2-0.4Mpa, and spray amount is 0.36-0.48L/min, carries out routine spraying, makes every effort to evenly thoughtful during spray medicine.
Duration of test weather is good, and daily mean temperature is 17.8 ~ 25.4 DEG C.Dispenser same day is without rain.
4.1.2 investigation method
Investigation insect population radix before dispenser, the sampling of 5, every community, often some random searching plant middle and upper part l0 piece spends the total head number of interior thrips, and same method is ld after administration, and 5d, 10d check remaining borer population of living, and calculate Revision insect recluced rate and control efficiency.
4.1.3 drug effect computational methods
Revision insect recluced rate (%)=(after medicine prelarva number-medicine larva number)/medicine prelarva number × 100
Preventive effect (%)=(treatment region Revision insect recluced rate-contrast Revision insect recluced rate)/(100-check plot Revision insect recluced rate) × 100.
4.1.4 poisoning investigation method
Within 1,5,10 day after medicine, observe chili growth situation, estimate medicament to capsicum without poisoning.
4.1.5 field control effectiveness test result
As can be seen from Table 3, the Mixed Pharmacy of different proportion, carries out field experiment by different consumptions, after medicine, it is better than contrasting medicament to the control efficiency of capsicum Frankliniella occidentalis, 10% Biphenthrin (3%) chlorfenapyr (7%) control Frankliniella occidentalis instant effect, efficiency time is long, and control efficiency is good.After medicine, the insecticidal effect of 10 days is 88.56,91.17,94.36, and insecticidal effect increases progressively along with the increase of consumption.According to experimental observation, each medication process does not all produce poisoning to capsicum.Suggestion dispenser rests in Frankliniella occidentalis occurance peak period, and require even spraying during dispenser, it, to spending safety, does not hinder flower.This mixture, effectively can control the harm of Frankliniella occidentalis to host, to the raising of quality of vegetable with increase production significant, has stronger popularizing value.
Surveyed and field experiment by raw above; we can know that the compounded pesticides that the present invention contains Biphenthrin and chlorfenapyr has good control efficiency to the insect such as beet armyworm, thrips; to Target crops safety; compared with single dose; Pesticidal combination of the present invention has mechanism of action uniqueness; consumption is few; instant effect; the advantage that lasting period is long; so; very large economic benefit is had, to the volume increase of peasant household crop with increase income and be of great significance the protection tool of local environment in research and development of the present invention and popularization.
Claims (4)
1. apply in the pesticidal preparations of preparation control beet armyworm containing the Pesticidal combination of Biphenthrin and chlorfenapyr for one kind, it is characterized in that: this Pesticidal combination is for active ingredient is composite with Biphenthrin and chlorfenapyr, all the other are auxiliary element, and wherein the mass ratio of Biphenthrin and chlorfenapyr is 3:7.
2. application according to claim 1, is characterized in that: Biphenthrin and the chlorfenapyr gross mass in pesticidal preparations accounts for 1% ~ 80% of the whole quality of the pharmaceutical preparations.
3. application according to claim 2, is characterized in that: Biphenthrin and the chlorfenapyr gross mass in pesticidal preparations accounts for 5% ~ 50% of the whole quality of the pharmaceutical preparations.
4. the application according to claim 1 or 2 or 3, is characterized in that: the formulation of this pesticidal preparations is missible oil, suspending agent, wetting powder, water dispersible granules, aqueous emulsion, microemulsion.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101228883A (en) * | 2008-01-17 | 2008-07-30 | 张少武 | Composite of acarus-killing containing active bifenthrin ingredient and application thereof |
| CN101406189A (en) * | 2008-10-17 | 2009-04-15 | 广西田园生化股份有限公司 | Aqueous emulsion containing chlorfenapyr and preparation method thereof |
| EP2363023A1 (en) * | 2010-03-04 | 2011-09-07 | Basf Se | Synergistic fungicidal and insecticidal mixtures |
| CN102388907A (en) * | 2011-10-19 | 2012-03-28 | 广东中迅农科股份有限公司 | Pesticide composition containing chlorfenapyr and bifenthrin |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101228883A (en) * | 2008-01-17 | 2008-07-30 | 张少武 | Composite of acarus-killing containing active bifenthrin ingredient and application thereof |
| CN101406189A (en) * | 2008-10-17 | 2009-04-15 | 广西田园生化股份有限公司 | Aqueous emulsion containing chlorfenapyr and preparation method thereof |
| EP2363023A1 (en) * | 2010-03-04 | 2011-09-07 | Basf Se | Synergistic fungicidal and insecticidal mixtures |
| CN102388907A (en) * | 2011-10-19 | 2012-03-28 | 广东中迅农科股份有限公司 | Pesticide composition containing chlorfenapyr and bifenthrin |
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