CN106031380B - Herbicidal combinations and its application - Google Patents
Herbicidal combinations and its application Download PDFInfo
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- CN106031380B CN106031380B CN201510114306.4A CN201510114306A CN106031380B CN 106031380 B CN106031380 B CN 106031380B CN 201510114306 A CN201510114306 A CN 201510114306A CN 106031380 B CN106031380 B CN 106031380B
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- herbicidal combinations
- benazolin
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Abstract
The invention discloses a kind of Herbicidal combinations and its applications, are related to technical field of pesticide combination.The Herbicidal combinations contain active principle A：Fluorochloridone, active principle B：The weight ratio of benazolin or its salt, the component A and component B is 1:5~10:1.Herbicidal combinations of the present invention under the premise of improving drug effect, delay Weed Resistance compared to single agent, and herbicidal spectrum is wide, and the lasting period is long, especially have very high safety to Carrot family medicinal plant and succession crop.Therefore, Herbicidal combinations of the invention can be applied to Carrot family medicinal plant plantation Tanaka, prevent and kill off grass family, broad leaved weed.
Description
Technical field
The invention belongs to technical field of pesticide combination, are related to Herbicidal combinations and its application.
Background technology
As people’s lives level is continuously improved, the constantly enhancing of health care consciousness, the new medicinal function of medicinal plant
It constantly finds, medicinal plant demand is also sharply increasing, and cultivated area expands rapidly.But medicinal plant plants field weeding
Difficult problem is not resolved so far, and Weed infestation makes Chinese medicine be difficult to meet the needs of of fine quality, amount is big, it more difficult to keep up with medical city
The changeable rhythm of field.
Further investigation reveals that in the main cultivation area of medicinal plant, sowthistle, field thistle are sent out in peasant household's annual weeding 3-4 times
Raw area, weeding period are 1 month.There is a problem of artificial weeding hardly possible in medicinal plant artificial cultivation weeding process, it is most of
Medicinal plant, seed is small, and growth potential is weak, and the growthform of stem is special, sowing specification is special, is not easy so as to cause artificial weeding.
And during chemical weed control, there is also many problems, not yet develop the special chemical herbicide of medicinal plant in the world, and medicinal
Plant major part type belongs to " weeds " scope, so it is also very tired to prevent and kill off the weeds in medicinal plant ground using chemical herbicide
It is difficult.
Fluorochloridone (fluorochloridone), chemical name：：The chloro- 4- chloromethyls-of (3RS, 4RS, 3RS, 4RS) -3-
1- (α, α, α-trifluoro between methyl) -2-Pyrrolidone (ratio 3：1), molecular formula：C12H10Cl2F3NO, molecular weight：312.1 knot
Shown in structure such as formula (I).This product category pyrrolidinone compounds herbicide, is carotenogenesis inhibitor.It is usually used in wheat and potato
Broad leaved weed and grassy weed are prevented and kill off in field, preferable to Descurainia sophia, shepherd's purse, chickweed, green bristlegrass, lady's-grass preventive effect, to leading a cow, rye
Grass, Triticum tauschii preventive effect are poor.
Benazolin (Benazolin-ethyl), chemical name are 4- chloro-2-oxo benzothiazole -3- ethyls, point
Minor：C11H10ClNO3S, molecular weight 271.72, shown in structure such as formula (II).Benazolin is that a kind of absorbability cauline leaf process is removed
Careless agent is prevented and kill off broad leaved weed for the post-processing of Rapeseed Field seedling, is widely used in the rapes such as Europe, South America producing region.It is available
It is preferable to chickweed, clearvers effect in Rapeseed Field and rye grass lawn for preventing and kill off broad leaved weed, to shepherd's purse, lamb's-quarters, Veronica,
Herb of Common Nipplewort effect is poor.
There are different degrees of defects, such as continuous administration on control of weeds for herbicide kind containing single-activity component
The problems such as weeds easy to produce drug resistance afterwards, and herbicide controlling spectrum narrows, causes environmental pollution.
Rationally compounding is to improve preventive effect to herbicide, expands herbicide controlling spectrum or widens usage time, weed community is delayed to drill
The speed replaced reduces the resistance risk that pesticide single use is brought, and mitigates the pollution to environment, reduces use cost and reduces and removes
A kind of careless remaining effective ways of agent.
Invention content
That the technical problem to be solved in the present invention is to provide a kind of herbicidal effects is good, drug cost is low, broad weed-killing spectrum, to weeds
The significant Herbicidal combinations of control effect.
In order to solve the above technical problems, present invention offer technical solution is as follows：
Herbicidal combinations of the present invention, including effective constituents A and B, wherein effective constituents A is fluorochloridone, effectively
Ingredient B is benazolin or its salt, and the weight ratio of the effective constituents A and active ingredient B are 1:5~10:1；Further weight ratio
It is 1:2.5~5:1.
Further include receptible auxiliary element in pesticide in Herbicidal combinations of the present invention in addition to active ingredient.Pesticide
In receptible auxiliary element, including not with fluorochloridone, benazolin or its salt generate chemical action or to the present invention drug effect
Playing has the component of Beneficial Effect, such as conventional use of dispersant, diffusant, antifoaming agent, wetting agent, disintegrant help in pesticide
Agent, excipient etc..
According to different use needs or applying environment condition, Herbicidal combinations of the present invention are any dose in pesticide
Type.Corresponding wettable powder, suspending agent, suspended emulsion, microemulsion, water dispersible granules, oil-suspending agent can such as be made.
Herbicidal combinations of the present invention can be provided in the form of finished product preparation, i.e., each substance has mixed in Herbicidal combinations
Closing the either ingredient of Herbicidal combinations can also be provided with unit dose form and directly directly mixed in bucket or tank using preceding, so
It is diluted to required concentration afterwards.
Herbicidal combinations of the present invention are applied to the method for controlling weeds, and the application of weight ratio described above range respectively has
Component fluorochloridone, benazolin or its salt are imitated, applies after can mixing in proportion, be administered simultaneously in proportion or apply successively in proportion
With.Herbicidal combinations of the present invention carry out cauline leaf process after weeds emerge.
Herbicidal combinations of the present invention are applied to the method for controlling weeds, effective constituents A effective dose 120-
1200g/ha, active ingredient B effective doses 120-600g/ha.
Herbicidal combinations of the present invention can be used for preparing the pesticidal preparations of controlling weeds.Particularly useful for making prevention
Medicinal plant plants the pesticidal preparations of field weed, especially prevents the broad leaved weed of 1-10 leaf phases and/or the pesticide of grass tree weeds
Preparation.
Medicinal plant of the present invention plantation field is preferably Carrot family medicinal plant plantation field, especially to radix bupleuri,
The safety such as Radix Angelicae Sinensis, the root of Dahurain angelica, windproof, Radix Angelicae Pubescentis, the root of purple-flowered peucedanum, Rhizoma Chuanxiong, Radix Glehniae.
Herbicidal combinations of the present invention can be used for medicinal plant plantation Tanaka and prevent and kill off broad leaved weed, nutgrass flatsedge, grass tree weeds,
Its is with obvious effects better than fluorochloridone, benazolin or its salt single dose, has preferable application prospect and promotional value.
The present invention has synergy by the compounding of two kinds of active principles of different role mechanism, different role mode
Effect can reduce pesticide dosage, reduce use cost.
It is an advantage of the invention that it will be evident that being mainly manifested in：
1. Herbicidal combinations of the present invention, without any antagonism between each ingredient, synergistic effect is notable.
2. Herbicidal combinations expand herbicide controlling spectrum compared with single active ingredient is used alone, herbicidal effect is more preferable.
3. Herbicidal combinations can prevent and kill off 1-10 leaf phases broad leaved weed or grass tree weeds, the weeding quick-acting phases can be shortened, prolonged
Long lasting period, a dispenser can save Ji Wucao from damage.
4. low toxicity is conducive to environmental protection and keeps ecological balance to people, bird, poultry and beneficial organism safety.
5. easy to operate, compound synergic can reduce the usage amount of each single dose, at low cost, easily promote.
Specific implementation mode
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, specific embodiment will be used below
It is described in detail, but the present invention is limited to absolutely not these examples.It is as described below to be only the preferred embodiment of the present invention, it is only used to
Explain the present invention, it cannot be construed as a limitation to the scope of the present invention.It should be pointed out that all the present invention's
The all any modification, equivalent and improvement etc. done within spirit and principle, should all be included in the protection scope of the present invention.
Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Pesticide is made in different agriculture the effective elements of the medicines compounding, is to develop and develop at present novel pesticide and prevention agriculturally
A kind of effective and quick way of resistance.After the pestsides synthesis of different cultivars, a large amount of three kinds of type of action are typically exhibited：Phase
Add effect, synergistic effect and antagonism.Compound synergic is formulated well, can significantly improve practical control effect, and expansion is killed
Grass spectrum, reduces the usage amount of pesticide, is the important means of integrated control to help to delay the generation speed of drug resistance.
For the present composition with fluorochloridone for a kind of active ingredient (A), benazolin or its salt are another active ingredient (B)
Binary built is formed, combines between them and control of weeds is had obvious synergistic function, rather than just two kinds of medicines
The simple superposition of agent effect, this can be clearly understood that from following test result.
(1) indoor toxicity determination test
Assay method：Indoor pot method, lady's-grass, green bristlegrass, chickweed, six leaf of lamb's-quarters wholeheartedly when carried out at cauline leaf with spray tower
Reason.30d measures fresh weight inhibition rate, calculates ED after medicine90Value, co-toxicity coefficient.Compare fluorochloridone, benazolin or its salt and they
Activity of weeding after compounding determines optimum proportioning range.
Two-spot herbicide mode of application is evaluated with the abundant co-toxicity coefficient methods of Sun Yun, formula is as follows：
In formula：
ATI-mixture surveys toxicity index；
The ED of S-standard agent50/90；
The ED of M-mixture50/90；
TTI=A × PA+B×PB
In formula：
TTI-mixtures theoretical toxicity index；
A-A medicament toxicity index；
B-B medicament toxicity index；
PAPercentage composition of-A the medicaments in mixture；
PBPercentage composition of-B the medicaments in mixture；
In formula：
CTC-co-toxicity coefficient；
ATI-mixture surveys toxicity index；
TTI-mixtures theoretical toxicity index.
Criterion：CTC ＞ 120 are synergistic effect；CTC ＜ 80 are antagonism；80 ＜ CTC ＜ 120 are summation action.
1 indoor toxicity determination test of table (one)
2 indoor toxicity determination test of table (two)
3 indoor toxicity determination test of table (three)
4 indoor toxicity determination test of table (four)
The Toxicity Determination result table 1~4 is shown, in A:B weight ratios 1:5~10:In the range of 1, fluorochloridone and grass
After spirit or its salt compounding, have obvious synergistic function；A:B weight ratios are 1:2.5~5:In the range of 1, synergy effect
Fruit is more notable.The drug effect of the present invention is significantly better than respective single dose routine tests effect, and can expand herbicide controlling spectrum.
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, specific embodiment will be used below
It is described in detail, but the present invention is limited to absolutely not these examples.It is as described below to be only the preferred embodiment of the present invention, it is only used to
Explain the present invention, it cannot be construed as a limitation to the scope of the present invention.It should be pointed out that all the present invention's
The all any modification, equivalent and improvement etc. done within spirit and principle, should all be included in the protection scope of the present invention.
Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.Any feature disclosed in this specification, except non-specifically chatting
It states, can be replaced by other alternative features that are equivalent or have similar purpose.That is, unless specifically stated, each feature is only
It is an example in a series of equivalent or similar characteristics.
The Herbicidal combinations of the present invention can be prepared into any one dosage form of suitable agricultural use by known method, than
Preferable dosage form is wettable powder, aqueous emulsion, microemulsion, suspending agent, water dispersible granules.Percentage is attached most importance in all formulas
Measure percentage.The processing technology of the various dosage forms of the present composition is the prior art, can be varied from according to different situations.
Embodiment 1：30% fluorochloridone benazolin wettable powder (1:5)
Preparation method：Active ingredient fluorochloridone, benazolin and auxiliary agent, filler are mixed by above-mentioned formula, mechanical powder
It is uniformly mixed, you can corresponding Wettable pesticide powder is made through air-flow crushing again after broken.
Embodiment 2：8% fluorochloridone benazolin microemulsion (1:3)
It prepares：By benazolin, fluorochloridone and dodecyl sodium sulfonate ammonium, phenethyl phenol polyethenoxy ether, N- methylpyrroles
Alkanone, n-butanol are uniformly mixed obtain oil phase in a kettle, and soft water is added in oil phase under stiring, are uniformly mixed to obtain the final product
To product.
Embodiment 3：10.5% fluorochloridone benazolin aqueous emulsion (1:2.5)
It prepares：Benazolin, fluorochloridone and solvent, surfactant are mixed, are uniformly mixed in a kettle
Oil phase is obtained, soft water, ethylene glycol, sodium benzoate, xanthans shear agitation are uniformly obtained into water phase, by oil phase under high speed shear
It is uniform to pour into shear-mixed in water phase, makes its average grain diameter at 5 microns hereinafter, obtaining product.
Embodiment 4：15% fluorochloridone benazolin missible oil (1:1)
It prepares：Any of the above ingredient is added in reaction kettle, is uniformly mixed and obtains product.
Embodiment 5：22% fluorochloridone benazolin water dispersible granules (10:1)
Preparation method：Active ingredient fluorochloridone, benazolin and auxiliary agent, filler are mixed by above-mentioned formula, mechanical powder
It is uniformly mixed again through air-flow crushing after broken, adds water through being granulated, and dry, you can corresponding water dispersible granules are made.
Embodiment 6：32% fluorochloridone benazolin suspending agent (7:1)
Preparation method：Active ingredient fluorochloridone, benazolin and auxiliary agent, water are mixed by above-mentioned formula, through cutting at a high speed
Cut it is uniformly mixed, by sand mill be sanded 2-3 hours, make its average grain diameter at 5 microns hereinafter, can be made into corresponding suspending agent
Pesticide.
Embodiment 7：24% fluorochloridone benazolin suspending agent (5:1)
Preparation method：Active ingredient fluorochloridone, benazolin and auxiliary agent, water are mixed by above-mentioned formula, through cutting at a high speed
Cut it is uniformly mixed, by sand mill be sanded 2-3 hours, make its average grain diameter at 5 microns hereinafter, can be made into corresponding suspending agent
Pesticide.
Embodiment 8：40% fluorochloridone benazolin wettable powder (4:1)
Preparation method：Active ingredient fluorochloridone, benazolin and auxiliary agent, filler are mixed by above-mentioned formula, mechanical powder
It is uniformly mixed, you can corresponding Wettable pesticide powder is made through air-flow crushing again after broken.
Embodiment 9：12% fluorochloridone benazolin microemulsion (2:1)
It prepares：By benazolin, fluorochloridone and dodecyl sodium sulfonate ammonium, phenethyl phenol polyethenoxy ether, N- methylpyrroles
Alkanone, isopropanol are uniformly mixed obtain oil phase in a kettle, and soft water is added in oil phase under stiring, are uniformly mixed to obtain the final product
To product.
Embodiment 10：40% fluorochloridone benazolin wettable powder (1:1)
Preparation method：Active ingredient fluorochloridone, benazolin and auxiliary agent, filler are mixed by above-mentioned formula, mechanical powder
It is uniformly mixed, you can corresponding Wettable pesticide powder is made through air-flow crushing again after broken.
Embodiment 11：12% fluorochloridone benazolin microemulsion (1:1)
It prepares：By benazolin, fluorochloridone and dodecyl sodium sulfonate ammonium, phenethyl phenol polyethenoxy ether, N- methylpyrroles
Alkanone, n-butanol are uniformly mixed obtain oil phase in a kettle, and soft water is added in oil phase under stiring, are uniformly mixed to obtain the final product
To product.
Embodiment 12：16% fluorochloridone benazolin aqueous emulsion (1:1)
It prepares：Benazolin, fluorochloridone and solvent, surfactant are mixed, are uniformly mixed in a kettle
Oil phase is obtained, soft water, ethylene glycol, sodium benzoate, xanthans shear agitation are uniformly obtained into water phase, by oil phase under high speed shear
It is uniform to pour into shear-mixed in water phase, makes its average grain diameter at 5 microns hereinafter, obtaining product.
Embodiment 13：30% fluorochloridone benazolin water dispersible granules (1:1)
Preparation method：Active ingredient fluorochloridone, benazolin and auxiliary agent, filler are mixed by above-mentioned formula, mechanical powder
It is uniformly mixed again through air-flow crushing after broken, adds water through being granulated, and dry, you can corresponding water dispersible granules are made.
Embodiment 14：56% fluorochloridone benazolin suspending agent (1:1)
Preparation method：Active ingredient fluorochloridone, benazolin and auxiliary agent, water are mixed by above-mentioned formula, through cutting at a high speed
Cut it is uniformly mixed, by sand mill be sanded 2-3 hours, make its average grain diameter at 5 microns hereinafter, can be made into corresponding suspending agent
Pesticide.
(2) pesticidal preparations field control effectiveness test one prepared by previous embodiment
Reagent agent：Re-compounded binary herbicide in Examples 1 to 9.
Comparison medicament：Fluorochloridone, benazolin single dose.
Control object：Green bristlegrass, lady's-grass, chickweed, shepherd's purse, lamb's-quarters, clearvers.
Test method：Each cell 20m2, it is repeated 4 times, random district's groups arrangement.The good various medicaments of precise, and be watered
After dilution, using knapsack sprayer, carry out even spraying, not drain spray, respray.
After the test, 5d, 10d, 20d, 30d, 45d observe weeds death condition after medicine respectively, and from each cell
It is random that 1 square meter is taken to carry out weeds mortality survey, calculate preventive effect.
5 field control effectiveness test of table (one)
Test result as shown in table 5 shows the present invention by after fluorochloridone and benazolin compounding, after medicine 20d preventive effects with it is each
From single dose compare, expand prevention grass spectrum, it is equal to weeds especially green bristlegrass, lady's-grass, chickweed, shepherd's purse, the preventive effect of lamb's-quarters
It is significantly improved, and the preventive effect of mixture preparation is better than each medicament in comparative example.
(3) pesticidal preparations field control effectiveness test two prepared by previous embodiment
Test condition is the same as field control effectiveness test one.
6 embodiment field control effectiveness test (two) of table
After the test result of table 6 shows that the present invention is compounded using fluorochloridone with benazolin, the compounding agent has compared with single dose
There is apparent synergistic function, can not only enhance the preventive effect to weeds, and the control careless time can be extended.
(3) pesticidal preparations field control effectiveness test three (safety) prepared by previous embodiment
Reagent agent：9 kinds of complex weedicides in embodiment 1-9.
For studying object：The Carrot families medicinal plant such as the root of Dahurain angelica, radix bupleuri, Radix Angelicae Sinensis, Radix Angelicae Pubescentis, windproof, Rhizoma Chuanxiong, Radix Glehniae.
Dispenser period：The plant 6-15 leaf phases.
Test method：According to the area of experimental plot, the good each medicament of precise after being watered dilution, is sprayed using backpack
Day with fog carries out even spraying.The dedicated Fan spray head of sprinkler selection weeding, the afternoon for selecting fine day calm spray.Spraying
When liquid is uniformly sprayed application in experimental plot, accomplish not respray, drain spray.The growth feelings of plant are observed in 1~25d after medicine
Whether condition, observation plant have poisoning.
7 field control effectiveness test of table (safety)
After the test result of table 7 shows the present invention using fluorochloridone and benazolin compounding, to the root of Dahurain angelica, radix bupleuri, Radix Angelicae Sinensis,
The Carrot families such as Radix Angelicae Pubescentis, windproof, Rhizoma Chuanxiong, Radix Glehniae medicinal plant is all safe.
(4) pesticidal preparations field control effectiveness test four prepared by previous embodiment
Reagent agent：Re-compounded binary herbicide in embodiment 10~14.
Control object：Caput grass, amur foxtail, Descurainia sophia, buttercup.
Test method：Each cell 20m2, it is repeated 4 times, random district's groups arrangement.The good various medicaments of precise, and be watered
After dilution, using knapsack sprayer, carry out even spraying, not drain spray, respray.
After the test, 30d observes weeds death condition after medicine respectively, and takes 1 square meter to carry out at random from each cell
Weeds mortality survey, calculates preventive effect.
8 field control effectiveness test of table (four)
The test result of table 8 shows that the present invention, with after benazolin compounding, is preferably hanged using fluorochloridone in the compounding agent
Floating agent.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of Herbicidal combinations, which is characterized in that include effective constituents A and active ingredient B, wherein effective constituents A is coughed up for fluorine
Humulone, active ingredient B are benazolin or its salt, and the weight ratio of the effective constituents A and active ingredient B are 1:5~10:1.
2. Herbicidal combinations according to claim 1, which is characterized in that the weight of the effective constituents A and active ingredient B
Than being 1:2.5~5:1.
3. Herbicidal combinations according to claim 1 or 2, which is characterized in that also contain pesticide in the Herbicidal combinations
Preparation auxiliary element, the dosage form for being suitble to agriculturally use is made.
4. Herbicidal combinations according to claim 3, which is characterized in that the pesticidal preparations auxiliary element is solvent, profit
One or more of humectant, emulsifier, dispersant, stabilizer, antifreezing agent or filler.
5. Herbicidal combinations according to claim 3, which is characterized in that the dosage form of the Herbicidal combinations is missible oil, micro-
Emulsion, aqueous emulsion, wettable powder, suspending agent or water dispersible granules.
6. the application of any Herbicidal combinations of claim 1 to 5, which is characterized in that be used to prepare the agriculture of controlling weeds
Medicine preparation.
7. the application of Herbicidal combinations according to claim 6, which is characterized in that be used to prepare prevention medicinal plant plantation
The broad leaved weed of Tanaka's 1-10 leaf phases and the pesticidal preparations of grassy weed.
8. the application of Herbicidal combinations according to claim 7, which is characterized in that medicinal plant plantation field is umbrella shape
Flower section medicinal plant plants field.
9. the application of Herbicidal combinations according to claim 8, wherein the Carrot family medicinal plant include radix bupleuri,
Radix Angelicae Sinensis, the root of Dahurain angelica, windproof, Radix Angelicae Pubescentis, the root of purple-flowered peucedanum, Rhizoma Chuanxiong, Radix Glehniae.
10. any Herbicidal combinations of claim 1 to 5 are applied to the method for controlling weeds, which is characterized in that effective group
Divide and applied with above-mentioned weight ratio, applies, is administered simultaneously in proportion or applies successively in proportion after mixing in proportion.
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| AR120606A1 (en) * | 2020-12-18 | 2022-03-02 | Red Surcos Colombia Ltda. | COMPOSITION OF FLUROCLORIDONE IN THE FORM OF MICRO EMULSION |
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| CN104012526A (en) * | 2014-06-09 | 2014-09-03 | 浙江天丰生物科学有限公司 | Dispersible oil suspension agent for low-melting-point compound and preparation method thereof |
| CN104170825A (en) * | 2014-09-11 | 2014-12-03 | 河南中天恒信生物化学科技有限公司 | Composite herbicide containing pyrithiobac-sodium, fluorochloridone and haloxyfop-R-methyl, and application thereof |
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| CN104012526A (en) * | 2014-06-09 | 2014-09-03 | 浙江天丰生物科学有限公司 | Dispersible oil suspension agent for low-melting-point compound and preparation method thereof |
| CN104170825A (en) * | 2014-09-11 | 2014-12-03 | 河南中天恒信生物化学科技有限公司 | Composite herbicide containing pyrithiobac-sodium, fluorochloridone and haloxyfop-R-methyl, and application thereof |
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