CN102524291B - Synergistic insecticidal composition containing imidaclothiz and bifenazate - Google Patents
Synergistic insecticidal composition containing imidaclothiz and bifenazate Download PDFInfo
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- CN102524291B CN102524291B CN 201210014002 CN201210014002A CN102524291B CN 102524291 B CN102524291 B CN 102524291B CN 201210014002 CN201210014002 CN 201210014002 CN 201210014002 A CN201210014002 A CN 201210014002A CN 102524291 B CN102524291 B CN 102524291B
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Abstract
The invention discloses a synergistic insecticidal composition containing imidaclothiz and bifenazate, wherein the ratio of parts by weight of imidaclothiz and bifenazate is (20:1)-(1:20). The synergistic insecticidal composition is suitable for controlling aphids on fruit trees. The synergistic insecticidal composition has an obvious synergistic effect by compounding the two active ingredients, thus improving the control effect; and the pesticide usage amount is reduced and the synergistic insecticidal composition has greater economic and social benefits after popularization and application.
Description
Technical field
The present invention relates to Pesticidal combination, specifically a kind of Synergistic insecticidal compositions that contains imidaclothiz and Bifenazate is used for the control fruit aphid.
Background technology
Imidaclothiz, english common name: imidaclothiz, the inferior imidazoles of chemical name: 1-(5-chloro-thiazolyl methyl)-N-nitro-2-base amine.Be a kind of anabasine insecticide, its mechanism of action is that the cynapse acceptor to insect has the nerve conduction blocking effect, and is identical with the mechanism of action of nicotine.
Bifenazate, english common name: bifenazate, chemical name: 3-(4-methoxyl biphenyl base-3-yl) carbazic acid isopropyl ester.A kind of new selective foliar spray miticide, effective to each life stage of mite.Have ovicidal activity and knock down activity rapidly to what become mite, minimum to the predacious mite influence, be very suitable for the comprehensive regulation of insect.Plant is not poisoned.
Being mixed of different pesticide species is the common methods of the agriculture resistant insect of control.By the formulation of pesticide screening, filter out rational prescription, can effectively improve actual control efficiency, reduce dosage, reduce cost, delay the generation of pest resistance to insecticide, prolong the service life of medicament, be the important means of the insect comprehensive regulation.The inventor is on the basis of a large amount of indoor virulence screenings and field medicine effect test, and discovery imidaclothiz and Bifenazate are mixed fruit aphid is had synergistic function.
Summary of the invention
The objective of the invention is the imidaclothiz that the mechanism of action is different and Bifenazate and be mixed, take full advantage of the synergistic effect that both are mixed and produce, a kind of efficient, low toxicity, agricultural insecticide composition cheaply are provided, be used for the control fruit aphid.
Technical scheme of the present invention: a kind of Synergistic insecticidal compositions that contains imidaclothiz and Bifenazate is active ingredient with imidaclothiz and Bifenazate, and the ratio of quality and the number of copies of imidaclothiz and Bifenazate is 20:1～1:20.
Described Pesticidal combination adds auxiliary agent and excipients, according to the production technology that those skilled in the art all know, is prepared into suitable agricultural and goes up any one formulation of using, and reasonable formulation is water dispersible granules, wetting powder, aqueous emulsion, suspending agent.
Described auxiliary agent and excipients comprise that wetting agent, antifreeze, defoamer, dispersant, solvent, emulsifier, filler etc. and other are of value to active ingredient stablizes and bring into play drug effect in preparation known substance, all be the various compositions of using or allow use in the pesticidal preparations always, be not particularly limited, concrete composition and consumption require to determine by test according to prescription.
Product described in the invention can finished product preparation form provide, the form that the composition of composition also can single agent provides, and directly mixes in jar or bucket before the use, is diluted to needed concentration then.The frequency of administration of the present composition and amount of application change with weather condition and crop state variation, can reach the purpose of control by using suitable formulation.
Beneficial effect of the present invention is: 1, two kinds of active ingredient is composite has an obvious synergistic effect, has improved control efficiency.2, two kinds of active ingredients are composite, and there is not cross resistance in mechanism of action uniqueness, reduced the agricultural chemicals usage amount, thereby reduced cost and the pollution that has reduced environment, are conducive to pest resistance treatment, and it applies huge economic benefit and social benefit.
Embodiment
Below in conjunction with embodiment content of the present invention is described in further detail, mentioned content is not limitation of the invention among the embodiment, and material prescription is selected to suit measures to local conditions and the result is not had substantial influence.In these embodiments, unless otherwise indicated, all percentages all are weight percentage.
Biologicall test embodiment 1: imidaclothiz and Bifenazate are mixed to the Toxicity Determination of oranges and tangerines aphid.
Select indoor feeding 2 generations 3 instar larvae, hungry 4-8h chooses 50 larvas.With the former medicine of acetone solution, dilution is 5 series concentration gradients more earlier.The drop method that adopts NY/T 1154.1-2006 to recommend is measured, and micro-dropper is first clearly with solvent, regulates dropper to stand-by state.The examination worm of choosing neat and consistent with writing brush places the 9cm culture dish, then with micro-dropper medicament is pursued a drop in the polypide belly of examination worm, and every some drops physic liquor 0.1ul contains the contrast that is treated to of corresponding acetone with drop 0.1ul.Examination worm behind the drop is transferred to normally cultivation in the culturing room respectively.Every processing 5 times repeats, and whenever repeats to try 20 of worms.
Handle back 24h investigation examination worm death condition (judging that for examination worm death standard be gently to sting no autonomic response with pin), record total borer population and dead borer population.
According to survey data, calculate the corrected mortality that each is handled.And according to co-toxicity coefficient (the CTC value of grandson in abundant method calculating mixture.) if contrast lethality＜5%, do not proofread and correct; The contrast lethality is proofreaied and correct between 5%～20%; Contrast lethality＞20%, test need be reformed.
Logarithm value according to drug concentration (mg/L) is independent variable x, is dependent variable y with the probit value of corrected mortality, sets up the virulence regression equation formula respectively, adopts DPS software to calculate the LC of single agent and each proportioning mixture
50Reach 95% confidence limit, LC
90And mixture co-toxicity coefficient, relatively synergy situation.
Actual measurement toxicity index (ATI)=(standard medicament LC
50/ reagent agent LC
50) * 100.
The percentage composition of B in percentage composition+B medicament toxicity index * mixture of A in theoretical toxicity index (TTI)=A medicament toxicity index * mixture.
Co-toxicity coefficient (CTC)=[mixture actual measurement toxicity index (the ATI)/theoretical toxicity index (TTI) of mixture] * 100.
The composite Toxicity Determination result to the oranges and tangerines aphid of table 1, imidaclothiz and Bifenazate.
According to the NY/T11547.7-2006 insecticide synergy criteria for classifying: co-toxicity coefficient (CTC) 〉=120 shows as synergistic effect; Co-toxicity coefficient (CTC)≤120 shows as antagonism; 120＜co-toxicity coefficient (CTC)＜120 shows as summation action.
Result of the test sees Table 1.As can be seen from the test results, imidaclothiz and Bifenazate are between 20:1～1:20 at the ratio of quality and the number of copies that is mixed, and co-toxicity coefficient (CTC value) namely all shows obvious synergistic effect all greater than 120.Imidaclothiz and Bifenazate are mixed and have reasonability and feasibility.
FORMULATION EXAMPLE 1: 40% imidaclothiz Bifenazate suspending agent.
Imidaclothiz 20%, Bifenazate 20%, triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether 3%, calcium dodecyl benzene sulfonate 3%, alkylphenol polyoxyethylene formaldehyde condensation products sulphate 2%, ethylene glycol 0.2%, xanthan gum 0.1%, organosilicon 0.4%, glycerine 5%, gum Arabic 0.1%.Deionized water complements to 100%, and above-mentioned prescription is pulverized in proportion in advance, adds in the sand mill and grinds, and allotment makes 40% imidaclothiz Bifenazate suspending agent after high shear mixing.
FORMULATION EXAMPLE 2: 60% imidaclothiz Bifenazate water dispersible granules.
Imidaclothiz 20%, Bifenazate 40%, lauryl sodium sulfate 6%, dispersant polycarboxylate 4%, disintegrant sodium chloride 2%, binding agent polyethylene glycol 3%, stable meltable starch 3%, kaolin complements to 100%, and dry pulverization process, granulation, drying, screening preparation system namely get 60% imidaclothiz Bifenazate water dispersible granules in proportion with above-mentioned prescription.
FORMULATION EXAMPLE 3: 30% imidaclothiz Bifenazate aqueous emulsion.
Imidaclothiz 20%, Bifenazate 10%, dimethylbenzene 10%, fatty alcohol polyoxy diene ether 6%, epoxidized soybean oil 3%, ethylene glycol 5%, surplus is deionized water.Imidaclothiz, Bifenazate, dimethylbenzene, fatty alcohol polyoxy diene ether, epoxidized soybean oil, ethylene glycol are mixed, and the limit sheared edge is added to the water at leisure, finishes and mixes back shearing 30 minutes, makes 30% imidaclothiz Bifenazate aqueous emulsion.
FORMULATION EXAMPLE 4: 50% imidaclothiz Bifenazate wetting powder.
Imidaclothiz 20%, Bifenazate 30% draws back powder 3%, naphthalenesulfonate formaldehyde condensation compound 6%, talcum powder 15%, kaolin complements to 100%.Above-mentioned prescription entered in the blender after the coarse crushing in proportion mix, after air-flow is pulverized, namely make 50% imidaclothiz Bifenazate wetting powder again.
Imidaclothiz of the present invention and Bifenazate Synergistic insecticidal compositions properties of product are stable, and low toxicity is to the person poultry safety.Prove through field experiment, to good preventive effects of fruit aphid such as apple, pears, oranges and tangerines, execute to fruit tree safety no poisoning.
Claims (2)
1. Synergistic insecticidal compositions that contains imidaclothiz and Bifenazate, it is characterized in that: active ingredient is made up of imidaclothiz and Bifenazate, and the ratio of quality and the number of copies of imidaclothiz and Bifenazate is 20:1～1:20.
2. the Synergistic insecticidal compositions that contains imidaclothiz and Bifenazate according to claim 1 is characterized in that: make water dispersible granules, wetting powder, aqueous emulsion or suspending agent during practical application.
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| CN 201210014002 CN102524291B (en) | 2012-01-17 | 2012-01-17 | Synergistic insecticidal composition containing imidaclothiz and bifenazate |
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| CN 201210014002 CN102524291B (en) | 2012-01-17 | 2012-01-17 | Synergistic insecticidal composition containing imidaclothiz and bifenazate |
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| CN102524291A CN102524291A (en) | 2012-07-04 |
| CN102524291B true CN102524291B (en) | 2013-08-14 |
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| CN105432654A (en) * | 2016-01-06 | 2016-03-30 | 江西正邦生物化工有限责任公司 | Pesticide composition containing bifenazate and thiamethoxam |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008107097A1 (en) * | 2007-03-06 | 2008-09-12 | Bayer Cropscience Ag | Safeguarding seed safety of treated seeds |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008107097A1 (en) * | 2007-03-06 | 2008-09-12 | Bayer Cropscience Ag | Safeguarding seed safety of treated seeds |
Non-Patent Citations (4)
| Title |
|---|
| 王彦华.防治褐飞虱的高毒农药替代药剂的室内筛选及交互抗性研究.《中国水稻科学》.2008,第22卷(第5期),519-526. |
| 编辑.联苯肼酯.《农药科学与管理》.2009,第30卷(第8期),全文. |
| 联苯肼酯;编辑;《农药科学与管理》;20091230;第30卷(第8期);全文 * |
| 防治褐飞虱的高毒农药替代药剂的室内筛选及交互抗性研究;王彦华;《中国水稻科学》;20081230;第22卷(第5期);519-526 * |
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