CN102484996A - Synergy composition for matrine and tetronic acid pesticides - Google Patents
Synergy composition for matrine and tetronic acid pesticides Download PDFInfo
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- CN102484996A CN102484996A CN2010105756591A CN201010575659A CN102484996A CN 102484996 A CN102484996 A CN 102484996A CN 2010105756591 A CN2010105756591 A CN 2010105756591A CN 201010575659 A CN201010575659 A CN 201010575659A CN 102484996 A CN102484996 A CN 102484996A
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Abstract
The invention belongs to the pesticide technology field, and relates to a synergy composition for matrine and tetronic acid pesticides. The mass ratio of matrine to tetronic acid is 50:1-1:50. The matrine in the composition comprises matrine, oxymatrine and a mixture of matrine and oxymatrine, or a series alkaloid extract and its preparation obtained from plants such as radix sophorae flavescentis, Sophora alopecuroides and Subprostrate Sophora Root. The tetronic acid pesticide can be one of spirotetramat, spirodiclofen and spirotetramat or its combination. The composition of the invention is capable of generating cooperation and synergy effects, overcoming harmful biological drug resistance, prolonging the service life of the pesticide, and enlarging the prevention and cure scope, can be used for preventing and treating a plurality of insect diseases on agriculture and gardening crops, especially suitable for insects possessing drug resistance on single pesticide, such as aphid, scale insect, leaf mites, leafhopper, planthopper or whitefly and thrips.
Description
Technical field
The invention belongs to technical field of pesticide, it is characterized in that relating to a kind of pesticide synergistic composition, particularly relate to a kind of preparation and application thereof that contains the synergistic composition of matrine and tetronic acid class agricultural chemicals.
Background technology
The problem that often faces in the control of insect is: active component dosage in the agricultural chemicals is reduced reducing or to avoid hostile environment or poisonous effect, and require still can prevent and treat agriculture pest effectively.Its two, avoid frequent with use a certain pesticide species singlely, in order to avoid cause the quick selection of resistant insect or pathogene.With synergy, spread spectrum, doublely use the insecticide of different effects mechanism to carry out composite in controlling to the compounded preparation of pesticide of maximum characteristics with synergistic effect; Can reduce the dosage of each active ingredient; Can be used for the improvement of resistant insect or the generation of delaying drug resistance again, be one of important channel that solves above-mentioned two problems in the control of insect.
Fly homoptera pests such as (powder) lice, aphid, leafhopper, mealybug, thrips insects such as thrips all have short, characteristics such as breeding amount is big, generation overlap is obvious of breeding cycle, are easy to develop immunity to drugs; In addition, lepidopterous diamond-back moth, cabbage caterpillar etc., and the harmful mite on some crops has also all produced serious pesticide resistance to the single agricultural chemicals of many obligates.For this reason; People have searched out some solutions from synergism compound preparation; Related patent U.S. Patent No. (application number) is like: 200910159604.X, 200510007412.9,200810211784.7,200910173094.1,200910173096.0,200910170818.7,200910173091.8,200910173097.5,200910190615 and 200910209737.3 etc.; Wherein caused very big concern with matrine as the synergistic composition of active component, composite dose of matrine and other farm chemical ingredients has tangible synergy potentiality; On the other hand, the synergistic composition of the exclusive medicine spiral shell of emerging pesticide species sucking pest worm ethyl ester etc. is looked at from just beginning just to receive the parent.Yet, generally all concentrate on and prevent and treat the close pesticide species of spectrum about the patent of matrine or spiral shell worm ethyl ester etc. and make up (like, the combination of spiral shell worm ethyl ester and anabasine or pyrrole aphid ketone), be unfavorable for spread spectrum.Therefore, can prevent and treat tetronic acid class pesticide new varieties such as matrine and the exclusive medicine spiral shell of homoptera pest worm ethyl ester that Lepidoptera can prevent and treat homoptera pest again and carry out compositely, will play the spread spectrum decrement, so that the purpose of protecting new varieties, increasing the service life.Matrine and tetronic acid class agricultural chemicals do not appear in the newspapers as the composition pesticide of insecticidal constituent.
Natural source agricultural chemicals matrine (Matrine) is to people and animals' low toxicity, and safe in utilization, noresidue has stomach toxicity and action of contace poison; Directly act on a plurality of action targets of polypide, the paralysis nerve center makes the polypide protein coagulating then, blocks pore, death by suffocation; Can destroy the pesticide resistance system of insect, not have cross resistance with other agricultural chemicals.Matrine is to vegetables lepidoptera pest cabbage caterpillar, tea caterpillar, diamond-back moth, and sucking pest aphid and tea lesser leafhopper, trialeurodes vaporariorum etc. all have desirable preventive effect.
Tetronic acid class insecticidal/acaricidal agent mechanism of action is unique, is the lipid synthetic inhibitor, and larva, young mite and ovum are had excellent control efficiency.And existing desinsection, kill to expire between the agent and do not have cross resistance, can prevent and treat the worm mite that existing insecticidal/acaricidal agent is produced resistance effectively, meet modern crop protection requirement, Environmental compatibility is good, will have the vast market development prospect in future.
Spiral shell worm ethyl ester (spirotetramat) belongs to tetronic acid class agricultural chemicals together with spiral shell mite ester (spirodiclofen) and spiral shell worm ester (spiromesifen).Spiral shell worm ethyl ester has unique function Characteristics, is unique so far two-way interior modern insecticide of inhaling conductive performance that has; Its another characteristics are that the lasting period is long, and the effective control that reached for 8 weeks can be provided; High-efficiency broad spectrum can effectively be prevented and treated various suckings pest, like aphid, thrips, wood louse, mealybug, aleyrodid and scale insect etc.The action of contace poison of spiral shell mite ester tool does not have interior absorption, and the mite spectrum is wide extremely, adaptability is strong, and is all effective to each developmental stage of mite, comprises ovum.Spiral shell worm ester can effectively be prevented and treated ovum and the larva of tetranychid and aleyrodid.
Carry out mechanism of action difference, the control differentiated matrine of spectrum and tetronic acid class agricultural chemicals composite; Enlarged the control spectrum; Can be used for the control of multiple worm mite on agricultural and the horticultural crop; Have tangible synergistic effect, be particularly useful for the insect evil mite that sucking mouth parts etc. is easy to single agricultural chemicals is produced resistance.
Summary of the invention
The objective of the invention is to make full use of plant resources; The advantage of performance botanical pesticide; It and the chemical pesticide kind of highly effective and safe are carried out synergistic complex; To such an extent as to maximize favourable factors and minimize unfavourable ones, a kind of efficient, low toxicity, wide spectrum are provided and are difficult for causing drug-fast insecticidal/acaricidal agent---the synergistic composition of matrine and tetronic acid class agricultural chemicals.
The invention provides the various preferred dosage form and preparation method thereof of the synergistic composition of said matrine and tetronic acid class agricultural chemicals.
Composition pesticide provided by the invention is characterized in that: the mass ratio of active ingredient matrine and tetronic acid class agricultural chemicals is 50: 1～1: 50, is preferably 10: 1～1: 30, and the best is 10: 1～1: 20, and all the other are insecticides adjuvant.
Matrine described in the present invention comprises the mixture of matrine, oxymatrine and matrine and oxymatrine, a series of alkaloid extracts and the preparation thereof that perhaps from plants such as kuh-seng, Sophora alopecuroide, root of subprostrate sophora, obtain.Said tetronic acid class is one of spiral shell worm ethyl ester, spiral shell mite ester and spiral shell worm ester or its combination.
The present invention is an active ingredient with matrine and tetronic acid class agricultural chemicals, is mixed with formulations such as suspending agent, microemulsion, aqueous emulsion, wetting powder, water dispersible granules and soluble liquid with insecticides adjuvant according to method known to those skilled in the art processing.
Described auxiliary agent is confirmed according to formulation.
When the preparation suspending agent, its auxiliary agent by the quality of the pharmaceutical preparations is: wetting dispersing agent 2%～10%, antifoaming agent 0%～2%, antifreezing agent 2%～10%, preservative 0～1%, thickener 0.1%～1.5%, acidity regulator 0～1%, surplus deionized water.
When the preparation microemulsion, its auxiliary agent by the quality of the pharmaceutical preparations is: emulsifier 8%～28%, solvent 1%～20%, cosolvent 0～10%, antifoaming agent 0.1%～1%, antifreezing agent 0～2%, surplus deionized water.
When the preparation aqueous emulsion, its auxiliary agent by the quality of the pharmaceutical preparations is: emulsifier 0.5%～10%, solvent 1%～50%, thickener 0～2%, antifoaming agent 0～0.5%, preservative 0～2%, antifreezing agent 0～10%, surplus deionized water.
When the preparation wetting powder, its auxiliary agent by the quality of the pharmaceutical preparations is: wetting agent 3%～35%, dispersant 4%～30%, filler 10%～70%.
When the preparation water-dispersible granules, its auxiliary agent by the quality of the pharmaceutical preparations is: wetting agent 1%～5%, and dispersant 2%～8%, binding agent 0～10%, disintegrant 0～15%, filler adds to 100%.
When the preparation soluble liquid, its auxiliary agent is: surfactant 5%～15%, and antifreezing agent 0.5%～10%, solubilizer 3%～20%, solvent is mended to 100%.
Good effect of the present invention is: maximize favourable factors and minimize unfavourable ones between botanical pesticide and the chemical pesticide improved seeds, never poison and biosynthesis inhibitor mechanism of action between the two are complementary, in addition; The composition of matrine and spiral shell worm ethyl ester integrate tag, stomach toxicity and systemic action, the insect multiple action is had concurrently, really play the effect of synergy, spread spectrum; Simultaneously; Can reduce active ingredient dosage, reduce cost, the generation of the antagonism property of medicine has retarding action.
Embodiment
In order to understand essence of the present invention better, further specify technology contents of the present invention with instance below, but content of the present invention is not limited thereto.
Embodiment 1: prepare 5.5% matrine spiral shell worm ethyl ester microemulsion
Insecticidal active ingredient percentage by weight (%) is: matrine 5.0, spiral shell worm ethyl ester 0.5;
Each composition percentage by weight (%) of auxiliary agent is: emulsifier: polyoxyethylene alkyl amine 20.0; Cosolvent: ethyl acetate 0.05; Antifoaming agent: efficient polysiloxanes 0.1～1.0; Antifreezing agent: glycerine 0.5; Solvent: Solvesso100 20.0; The surplus deionized water.
By proportioning matrine and spiral shell worm ethyl ester are dissolved in the solvent, emulsifier is joined in the matrine spiral shell worm ethyl ester solution, stir, add deionized water and all the other auxiliary agents, put into and give strong mixing in the homogenizer and homogenize promptly gets.
Embodiment 2: prepare 5.1% matrine spiral shell worm ethyl ester aqueous emulsion
Insecticidal active ingredient percentage by weight (%) is: matrine 5.0, spiral shell worm ethyl ester 0.1;
Each composition percentage by weight (%) of auxiliary agent is: emulsifier: naphthalenesulfonic acid-formaldehyde condensate (NNO) 8.0; Solvent: S-15010.0; Thickener: xanthans 0.2, Magnesiumaluminumsilicate 1.0; Antifoaming agent: EO-PO polymer 0.3%; Preservative: Sodium Benzoate 0.8%; Antifreezing agent: ethylene glycol 6.0; The surplus deionized water.
By proportioning matrine and the former medicine of spiral shell worm ethyl ester are dissolved in the solvent, emulsifier, cosolvent are joined in matrine and the spiral shell worm ethyl ester solution, stir, said mixture is slowly added in the entry, fully stirring promptly gets.
Embodiment 3: prepare 33% matrine spiral shell mite ester suspending agent
Insecticidal active ingredient percentage by weight (%) is: matrine 30.0, spiral shell mite ester 3.0;
Each composition percentage by weight (%) of auxiliary agent is: wetting dispersing agent: NNO 2.0, D4251.5, agricultural newborn 0201B 2.5; Antifoaming agent: organic silicone 1.0; Antifreezing agent: propane diols 5; Preservative: paraformaldehyde 0.7; Thickener: xanthans 0.1, white carbon 1.0; The surplus deionized water.
By proportioning matrine and the former medicine of spiral shell mite ester are pulverized, added various auxiliary agents and water except that thickener, put into high-shear emulsion machine together and mix, add thickener and further mix, grind, promptly get after microscopy is qualified through skin grinder.
Embodiment 4: prepare 42% matrine spiral shell mite ester wetting powder
Insecticidal active ingredient percentage by weight (%) is: matrine is 2.0, and spiral shell mite ester is 40.0;
Each composition percentage by weight (%) of auxiliary agent is: wetting agent: bay alcohol radical sodium sulphate 20.0; Dispersant: M918.0; Filler: kaolin 20.0.
By proportioning matrine and the former medicine of spiral shell mite ester are carried out joining in the blender behind the comminution by gas stream, in blender, add dispersant, filler respectively, stir promptly and get by proportioning.
Embodiment 5: prepare 51% matrine spiral shell worm ester water-dispersible granules
Insecticidal active ingredient percentage by weight (%) is: matrine 1.0, and spiral shell worm ester is 50.0;
Each composition percentage by weight (%) of auxiliary agent is: wetting agent: saponin 3.0; Dispersant: GY-JZH-A 6.0; Binding agent: PEG 4.0; Disintegrant: soluble starch 3.0, bentonite 7.0, filler adds to 100.
See that by prescription matrine and the former medicine of spiral shell worm ester and other auxiliary material one reinstate comminution by gas stream etc. and carry out the fine pulverizing of dry type, obtain the wetting powder of powdery after, again with this water-dispersion type granula granulation, drying, screening, the particle of selecting the certain particle size scope promptly gets.
Embodiment 6: prepare 3.1% matrine spiral shell worm ester soluble liquid
Insecticidal active ingredient percentage by weight (%) is: matrine 0.1, spiral shell worm ester 3.0;
Each composition percentage by weight (%) of auxiliary agent is: surfactant: anhydrous sorbitol APEO 13.0; Antifreezing agent: glycerine 2.5; Solubilizer: ethyl acetate 15.0; Solvent is mended to 100.
In the there-necked flask that reflux condenser, agitator, attemperating unit are housed, add solvent, auxiliary agent and former medicine, open the former medicine of stirring and dissolving, auxiliary agent in solvent by the prescription requirement.As dissolution velocity slowly or dissolving can suitably heat fully inadequately, make it to dissolve fully, be cooled to room temperature then.At last solution is filtered and promptly get the homogeneous phase transparent fluid sample.
The present invention has adopted conventional method to the indoor virulence test that the synergistic composition of matrine and tetronic acid class agricultural chemicals carries out, and data computation and processing are carried out according to following method:
With each lethality of handling of Abbott formula correction, with DPS computed in software LC
50And virulence regression equation.Adopt the abundant method of Sun Yun to obtain the co-toxicity coefficient (CTC) of each mixed ratio with reference to NY/T1154.7-2006, and estimate the synergistic effect that the two is used with.
Criterion: CTC≤80 show as antagonism; CTC:80～120 show as summation action; CTC>=120 show as synergistic effect.
Test Example 1 matrine and the composite joint toxicity measuring of spiral shell worm ethyl ester
Examination worm: paddy rice brown planthopper (Nilaparvata lugens (St 1))
Test method: adopt rice stem infusion process with reference to " the agricultural industry criteria NY/T1154.11-2008 of the People's Republic of China (PRC) " and " the agricultural industry criteria NY/T1154.7-2006 of the People's Republic of China (PRC) ".Extract with root the rice strain at healthy and strong tillering stage to booting initial stage, clean, be cut into the long band root rice stem of 15cm, one group of 3 strain locate to dry in the air not have washmarking to the surface in the cool place.The rice stem was soaked 30 seconds in the good medicament of dilution respectively; After taking-up is dried, encase root with the absorbent cotton that soaks and put into and cultivate cup, draw 3 mid-term in age nymph put into and cultivate cup; 20 every glass, put temperature and be 27 ℃, photoperiod and be in the incubator of 16h:18h (L:D) and raise.The cotton balls of per two days bag rice root adds water preserves moisture, the clear water contrast, and each concentration repeats 3 times.The dead borer population of inspection calculates lethality after 48 hours.
Result of the test is seen table 1:
Table 1 matrine and the virulence result (48h) of the different proportionings of spiral shell worm ethyl ester to brown plant-hopper nymph in 3 age
*A is a matrine, and B is a spiral shell worm ethyl ester
Visible from table 1; The composition of matrine and spiral shell worm ethyl ester in table under each proportioning to the co-toxicity coefficient of brown plant-hopper all greater than 120; Each proportioning mixing that shows matrine and spiral shell worm ethyl ester all produces synergistic effect; In supplying the examination proportioning, the proportioning matrine: the co-toxicity coefficient of spiral shell worm ethyl ester=1: 10 pair of brown plant-hopper is maximum, and its value is 223.05.
Test Example 2 matrines and the composite joint toxicity measuring of spiral shell mite ester
Examination worm: Tetranychus cinnabarinus (Tetranychus cinnabarinus (Boisduval))
Test method: put in the beaker pre-configured various proportioning soups for use respectively.By gathering the female one-tenth mite of Tetranychus cinnabarinus in indoor subsequent use on the Kidney bean in the test booth.The slide infusion process is adopted in test, and two-sided tape is bonded at an end of slide, provokes female one-tenth mite gently with writing brush, its back is bonded on the adhesive tape every sticking 3 row of slide, 10 of every row.At binocular stereo test under microscope acarid to be tried, reject dead and inactive individuality, replenish healthy individuals.The slide that is stained with female one-tenth mite is immersed in the different soups to be measured, take out behind the jog 5s, inhale with blotting paper and remove unnecessary soup, put into crisper, dry, add a cover and place under (26 ± 2) ℃ room temperature.3 repetitions are established in test, are treated to contrast with clear water, and 48h behind the medicine is in binocular stereo test under microscope Tetranychus cinnabarinus survival.
Result of the test is seen table 2:
Table 2 matrine and the virulence result (48h) of the different proportionings of spiral shell mite ester to Tetranychus cinnabarinus
*A is a matrine, and B is a spiral shell mite ester
Visible from table 2; The composition of matrine and spiral shell mite ester under each proportioning to the co-toxicity coefficient of Tetranychus cinnabarinus all greater than 120; Each proportioning mixing that shows matrine and spiral shell mite ester all produces synergistic effect; In supplying the examination proportioning, the proportioning matrine: the co-toxicity coefficient of spiral shell mite ester=1: 10 pair of Tetranychus cinnabarinus is maximum, and its value is 156.27.Matrine and spiral shell mite ester synergistic combination have strengthened spiral shell mite ester greatly Tetranychus cinnabarinus have been become the pesticide activity of mite, prevent and treat into mite for spiral shell mite ester new approaches are provided.
Test Example 3 matrines and the composite joint toxicity measuring of spiral shell worm ester
Examination worm: diamond-back moth (Plutella xylostella)
Test method: the cabbage leaves of fresh cleaning is cut into 3cm * 4cm small pieces; The culture dish that to put into diameter be 9cm, be lined with the filter paper of preserving moisture; Behind soup of dish leaf foliage-spray, upset blade, every ware insert and supply 10 of examination 3 instar larvaes with the Potter spray tower; Again spraying liquid once, each spray amount is 10ml.Clear water according to same method spray equivalent is a blank.After having sprayed, cover gauze, cover the ware lid again in case larva escapes.Place insectary (25+2 ℃), 24h " Invest, Then Investigate " death condition to culture dish.3 repetitions of every processing.10 larvas of every repetition.
Result of the test is seen table 3:
Table 3 matrine and the virulence result (24h) of the different proportionings of spiral shell worm ester to diamond-back moth 3 instar larvaes
*A is a matrine, and B is a spiral shell worm ester
Visible from table 3; The composition of matrine and spiral shell worm ester under each proportioning to the co-toxicity coefficient of diamond-back moth all greater than 120; Each proportioning mixing that shows matrine and spiral shell worm ester all produces synergistic effect; In supplying the examination proportioning, the proportioning matrine: the co-toxicity coefficient of spiral shell worm ester=1: 1 pair of diamond-back moth is maximum, and its value is 190.52.
Claims (8)
1. composition pesticide is characterized in that containing the matrine and the tetronic acid class agricultural chemicals of synergy effective dose, and the mass ratio of matrine and tetronic acid class agricultural chemicals is 50: 1～1: 50.
2. according to the composition pesticide of claim 1, it is characterized in that said tetronic acid class agricultural chemicals is one of spiral shell worm ethyl ester, spiral shell mite ester and spiral shell worm ester or its combination.
3. the mixture that comprises matrine, oxymatrine and matrine and oxymatrine according to the matrine in the described composition pesticide of arbitrary claim of claim 1 to 2; The a series of alkaloid extracts and the preparation thereof that perhaps from plants such as kuh-seng, Sophora alopecuroide, root of subprostrate sophora, obtain; In the composite embodiment of matrine and tetronic acid class agricultural chemicals; Mainly refer to matrine (Matrine, C
15H
24N
2O) and oxymatrine (Oxymatrine, C
15H
24N
2O
2) be main.
4. according to the described composition pesticide of claim 1 to 3, it is characterized in that the mass ratio of matrine and tetronic acid class agricultural chemicals is preferably: 10: 1～1: 30.
5. according to the composition pesticide of claim 4, it is characterized in that mass ratio the best of matrine and tetronic acid class agricultural chemicals is: 10: 1～1: 20.
6. the described composition pesticide of arbitrary claim according to claim 1 to 5 can be processed into any formulation of using on the suitable agricultural in practical application, and preferred dosage form is suspending agent, microemulsion, aqueous emulsion, wetting powder, water dispersible granules and soluble liquid.
7. be used for the control of several diseases insect pest on agricultural and the horticultural crop according to the described composition pesticide of arbitrary claim of claim 1 to 6, be particularly useful for sucking mouth parts etc. and be easy to insect single agricultural chemicals generation resistance.
8. according to claim 7, it is characterized in that: composition pesticide is used to prevent and treat lepidoptera pest cabbage caterpillar, diamond-back moth etc., sucking pest aphid, coccid, tetranychid, leafhopper, flies (powder) lice, thrips etc.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102939978A (en) * | 2012-11-22 | 2013-02-27 | 海南正业中农高科股份有限公司 | Insecticidal composition containing oxymatrine and benzoylurea components |
| CN106818913A (en) * | 2016-12-13 | 2017-06-13 | 张世平 | A kind of insecticide for tea lesser leafhopper |
| CN108617675A (en) * | 2017-03-23 | 2018-10-09 | 浙江省化工研究院有限公司 | A kind of composition of ether compound containing loop coil and plant insecticide |
| CN110024803A (en) * | 2019-05-20 | 2019-07-19 | 海南博士威农用化学有限公司 | A kind of Pesticidal combination and its preparation of spirotetramat |
| CN110999693A (en) * | 2019-12-24 | 2020-04-14 | 山西省农业科学院植物保护研究所 | Water, fertilizer and pesticide integrated pesticide application method for fruit trees |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102939978A (en) * | 2012-11-22 | 2013-02-27 | 海南正业中农高科股份有限公司 | Insecticidal composition containing oxymatrine and benzoylurea components |
| CN102939978B (en) * | 2012-11-22 | 2014-05-28 | 海南正业中农高科股份有限公司 | Insecticidal composition containing oxymatrine and benzoylurea components |
| CN106818913A (en) * | 2016-12-13 | 2017-06-13 | 张世平 | A kind of insecticide for tea lesser leafhopper |
| CN108617675A (en) * | 2017-03-23 | 2018-10-09 | 浙江省化工研究院有限公司 | A kind of composition of ether compound containing loop coil and plant insecticide |
| CN110024803A (en) * | 2019-05-20 | 2019-07-19 | 海南博士威农用化学有限公司 | A kind of Pesticidal combination and its preparation of spirotetramat |
| CN110999693A (en) * | 2019-12-24 | 2020-04-14 | 山西省农业科学院植物保护研究所 | Water, fertilizer and pesticide integrated pesticide application method for fruit trees |
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| CN102484996B (en) | 2014-08-27 |
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