CN108477187A - A kind of bactericidal composition containing psoralen and coumoxystrobin - Google Patents
A kind of bactericidal composition containing psoralen and coumoxystrobin Download PDFInfo
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- CN108477187A CN108477187A CN201810340242.3A CN201810340242A CN108477187A CN 108477187 A CN108477187 A CN 108477187A CN 201810340242 A CN201810340242 A CN 201810340242A CN 108477187 A CN108477187 A CN 108477187A
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- coumoxystrobin
- psoralen
- bactericidal composition
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/14—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
- A01N43/16—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with oxygen as the ring hetero atom
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of bactericidal composition containing psoralen and coumoxystrobin, effective active composition are made of psoralen and coumoxystrobin, and the weight ratio of psoralen and coumoxystrobin is 20:1~1:1.Bactericidal composition provided by the invention has excellent control effect to diseases such as the sclerotiniose on rape, the banded sclerotial blights on rice, and the lasting period is long, to crop safety.It has significant synergies after psoralen and coumoxystrobin compounding, Pesticide use amount can be reduced, reduce use cost, mitigate the pollution to environment, delay the generation of pathogen drug resistance, increase the Pesticide use service life.
Description
Technical field
The present invention relates to pesticide sterilizing composite and its application fields, are specifically with psoralen and coumoxystrobin
The binary complex of effective active composition compounding, is mainly used in the prevention of disease on crops.
Background technology
Psoralen (Psoralen) is one of the important composition ingredient of Effects of Bu Gu fat, can be from the seed of psoralea corylifolia
It separates, belongs to furocoumarin class active skull cap components, bioactivity is varied.Pharmacological research shows psoralen tool
There is the effects that anticancer, anti-oxidant, anti-leukocythemia, antidepression, antiviral, antibacterial.In Chinese invention patent (CN102067850A)
Disclosing the agricultural bacteriocide that psoralen is prepared as active constituent also has excellent bactericidal activity, can be applicable to anti-
The disease on various crops is controlled, particularly suitable for preventing agricultural fungal diseases, such as：Sclerotinia sclerotiorum, cucumber fusarium axysporum, rape
Sclerotiniose, rape head blight, sclerotinia sclerotiorum.
Coumoxystrobin (coumoxystrobin) is strobilurin fungicide, is a kind of protective fungicide
Agent, while having certain therapeutic effect concurrently.Wide sterilization spectrum, to melon fruits and vegetables, fruit tree downy mildew, late blight, scab, anthrax
Disease, leaf mold are effective；Simultaneously to ring spot, anthracnose, cotton wilt, rice blast, banded sclerotial blight, root rotof flax, jade
Rice helminthosporium maydis is also effective.
The resistance problem of disease is a global problem in agricultural production, is always what agricultural science and technology worker paid close attention to
Key issues.With the increase for using the continuity year in year out of pesticide control disease, Pesticide use amount and not scientifical use
The factors such as pesticide cause the resistance getting worse of pathogen, the Species of Pathogens for generating resistance to be on the increase.Meanwhile high intensity
Use pesticide, result in Practice for Pesticide Residue in Agricultural Products it is exceeded, pollution environment and peasant's drug cost increase a series of problems, such as, no
Conducive to the sustainable development of agricultural.
The present inventor surprisingly mends during furtheing investigate psoralen and coumoxystrobin compounded formula
Bone fat element and coumoxystrobin are compounded, especially right to the multiple diseases on crops within the scope of certain compound proportion
The banded sclerotial blight in sclerotiniose, rice on rape has significant synergies, and after further study, completes the present invention.
Invention content
The purpose of the present invention is to provide a kind of component is reasonable, the disease effect of synergistic effect significantly, on prevention crops
It is outstanding, the lasting period is long, drug cost is low, pathogen can be delayed to develop immunity to drugs, and to the bactericidal composition of Crop securify.
The bactericidal composition preparation agent containing psoralen and coumoxystrobin that another object of the present invention is to provide a kind of
Type.
It is still another object of the present invention to provide sclerotiniose of the above-mentioned bactericidal composition on prevention rape, the lines on rice
Purposes in the diseases such as blight.
Technical scheme of the present invention：To achieve the above object, present invention offer is a kind of containing psoralen and coumoxystrobin
Bactericidal composition, effective active composition is made of psoralen and coumoxystrobin, the weight ratio of psoralen and coumoxystrobin
It is 20:1~1:1, the preferably weight ratio of psoralen and coumoxystrobin is 10:1~1:1.
Further, in some embodiments, preferably the weight ratio of psoralen and coumoxystrobin is 6:1.
Further, in some embodiments, preferably the weight ratio of psoralen and coumoxystrobin is 4:1.
In bactericidal composition provided by the invention, the total weight percentage composition of psoralen and coumoxystrobin is 1%~
85%, the preferably total weight percentage composition of psoralen and coumoxystrobin is 10%~70%.
Bactericidal composition of the present invention can be prepared into the arbitrary dosage form used in suitable agricultural production, relatively good
Dosage form has suspending agent, water dispersible granules etc..
In various application forms prepared by bactericidal composition of the present invention, other than effective active composition, further include
Allow to use and the various auxiliary elements of acceptable in pesticide.
The auxiliary element include but not limited to emulsifier, wetting agent, dispersant, antifreezing agent, antifoaming agent, preservative,
Stabilizer, thickener, disintegrant, filler etc. are all common in pesticidal preparations or allow the ingredient used, are not particularly limited,
Specific ingredient and dosage are according to the recipe requirements determined by the test.
The production technology of the various preparation formulations of bactericidal composition of the present invention belongs to existing known technology, herein no longer
It repeats.
Compared with the prior art, the advantages of the present invention are as follows：
1, psoralen and coumoxystrobin compounding have significant synergies, and are significantly improved compared with single dose exclusive use
To the control effect of disease on crops.
2, psoralen and coumoxystrobin two kinds of active components compounding, reduce Pesticide use amount, reduce use cost,
Alleviate the pollution to environment.
3, psoralen and coumoxystrobin two kinds of active components compounding, the mechanism of action is different, and action site increases, and prolongs
The generation for having delayed pathogen drug resistance increases the service life of pesticide.
Specific implementation mode
To better understand the essence of the present invention, present disclosure is described further with reference to embodiment,
But limitation of the present invention cannot be considered as, it is as described below to be only used for explaining the present invention, for without departing from spirit of that invention and principle
Modification, replacement or the improvement made, belong to the scope of protection of present invention.
One psoralen of embodiment and coumoxystrobin compound the indoor toxicity determination test to sclerotinia sclerotiorum pathogen.
Test method：With reference to《Farm-chemical indoor determination test rule fungicide NY/T1156.2-2006》, using plate
Method.
It is for statistical analysis with DPS statistical analysis softwares, calculate the EC of each medicament50, and mixture is calculated according to Sun Yunpei's Method
Co-toxicity coefficient (CTC values), co-toxicity coefficient (CTC) >=120 shows as synergistic effect；Co-toxicity coefficient (CTC)≤80 shows as short of money
Anti- effect；80 ＜ co-toxicity coefficients (CTC) ＜ 120 show as summation action.
1 psoralen of table and coumoxystrobin compound the Toxicity Determination to sclerotinia sclerotiorum pathogen
| Medicament title and proportioning (weight ratio) | EC50(mg/L) | ATI | TTI | CTC |
| Psoralen | 8.16 | 100.00 | ||
| Coumoxystrobin | 1.62 | 503.70 | ||
| Psoralen：Coumoxystrobin (20:1) | 7.28 | 112.09 | 119.22 | 94.02 |
| Psoralen：Coumoxystrobin (15:1) | 6.31 | 129.32 | 125.23 | 103.27 |
| Psoralen：Coumoxystrobin (10:1) | 4.75 | 171.79 | 136.70 | 125.67 |
| Psoralen：Coumoxystrobin (8:1) | 4.11 | 198.54 | 144.86 | 137.06 |
| Psoralen：Coumoxystrobin (6:1) | 3.26 | 250.31 | 157.67 | 158.76 |
| Psoralen：Coumoxystrobin (4:1) | 2.65 | 307.92 | 180.74 | 170.37 |
| Psoralen：Coumoxystrobin (2:1) | 2.42 | 337.19 | 234.57 | 143.75 |
| Psoralen：Coumoxystrobin (1:1) | 2.21 | 369.23 | 301.85 | 122.32 |
As it can be seen from table 1 psoralen and coumoxystrobin are 10:1~1:When being compounded in the range of 1 (by weight), altogether
Malicious coefficient (CTC) is all higher than 120, illustrates to show synergistic effect to sclerotinia sclerotiorum pathogen；Psoralen and coumoxystrobin
With 4:When 1 (by weight) compounding, synergistic effect is the most notable, and co-toxicity coefficient (CTC) reaches maximum, is 170.37.As it can be seen that Psoralen
Fat element and coumoxystrobin compounding have reasonability and feasibility.
Two psoralen of embodiment and coumoxystrobin compound the indoor toxicity determination test to rice sheath blight disease pathogen.
Test method：With reference to《Farm-chemical indoor determination test rule fungicide NY/T1156.2-2006》, using plate
Method.
It is for statistical analysis with DPS statistical analysis softwares, calculate the EC of each medicament50, and mixture is calculated according to Sun Yunpei's Method
Co-toxicity coefficient (CTC values), co-toxicity coefficient (CTC) >=120 shows as synergistic effect；Co-toxicity coefficient (CTC)≤80 shows as short of money
Anti- effect；80 ＜ co-toxicity coefficients (CTC) ＜ 120 show as summation action.
2 psoralen of table and coumoxystrobin compound the Toxicity Determination to rice sheath blight disease pathogen
| Medicament title and proportioning (weight ratio) | EC50(mg/L) | ATI | TTI | CTC |
| Psoralen | 11.74 | 100.00 | ||
| Coumoxystrobin | 2.69 | 436.43 | ||
| Psoralen：Coumoxystrobin (20:1) | 9.83 | 119.43 | 116.02 | 102.94 |
| Psoralen：Coumoxystrobin (15:1) | 8.35 | 140.60 | 121.03 | 116.17 |
| Psoralen：Coumoxystrobin (10:1) | 6.89 | 170.39 | 130.58 | 130.49 |
| Psoralen：Coumoxystrobin (8:1) | 5.71 | 205.60 | 137.38 | 149.66 |
| Psoralen：Coumoxystrobin (6:1) | 4.88 | 240.57 | 148.06 | 162.48 |
| Psoralen：Coumoxystrobin (4:1) | 4.56 | 257.46 | 167.29 | 153.90 |
| Psoralen：Coumoxystrobin (2:1) | 4.01 | 292.77 | 212.14 | 138.01 |
| Psoralen：Coumoxystrobin (1:1) | 3.43 | 342.27 | 268.22 | 127.61 |
From table 2 it can be seen that psoralen and coumoxystrobin are 10:1~1:When being compounded in the range of 1 (by weight), altogether
Malicious coefficient (CTC) is all higher than 120, illustrates to show synergistic effect to rice sheath blight disease pathogen；Psoralen and coumoxystrobin
With 6:When 1 (by weight) compounding, synergistic effect is the most notable, and co-toxicity coefficient (CTC) reaches maximum, is 162.48.As it can be seen that Psoralen
Fat element and coumoxystrobin compounding have reasonability and feasibility.
With reference to embodiment, the present invention is described further.
According to the method for Gowing methods evaluation synergistic effect, formula is as follows：
In formula：X is the control effect to plant disease when psoralen is applied alone with certain dosage；Y is coumoxystrobin with certain agent
To the control effect of plant disease when amount is applied alone；E0To plant when being used in mixed way with certain ratio for psoralen and coumoxystrobin
The theoretical value or desired value of the control effect of disease.
E is the measured value of the control effect to plant disease when psoralen and coumoxystrobin are used in mixed way with certain ratio
Or observation.
Evaluation criterion：Work as E-E0When ＞ 10%, it is expressed as synergistic effect；As -10%≤E-E0When≤10%, it is expressed as phase
Add effect；Work as E-E0When ＜ -10%, it is expressed as antagonism.
Embodiment three
The content of following substance is weight percentage：Psoralen 20%, coumoxystrobin 5%, poly alkyl alcohol second
Ether sulfates 5%, sodium lignin sulfonate 7%, polyvinyl alcohol 1%, ammonium sulfate 3%, silicone oil 0.2%, deionized water is supplied
To 100%.Above-mentioned material is mixed in proportion, be uniformly dispersed through high speed shear, in sand mill be sanded after, you can be made 25% mend
Bone fat element coumoxystrobin suspending agent.
The 25% psoralen coumoxystrobin suspending agent using above-mentioned preparation is for preventing sclerotinia sclerotiorum.It can by table 3
See, 30 days E-E after 25% psoralen coumoxystrobin suspending agent dispenser0Value is 26.57%, illustrates psoralen and cloves bacterium
There is synergistic effect to sclerotinia sclerotiorum after ester compounding.Meanwhile it not finding to apply 25% psoralen fourth during the test
Poisoning is generated to rape after fragrant bacterium ester suspending agent.
3 25% psoralen coumoxystrobin suspending agent of table prevents sclerotinia sclerotiorum experiment
Example IV
The content of following substance is weight percentage：Psoralen 10%, coumoxystrobin 5%, alkyl naphthalene sulfonic acid
Salt 5%, polyoxyethylene polyoxypropylene block copolymer 6%, xanthans 1.5%, ammonium sulfate 3%, isooctanol 1.5%, deionization
Water complements to 100%.Above-mentioned material is mixed in proportion, be uniformly dispersed through high speed shear, in sand mill be sanded after, you can be made
15% psoralen coumoxystrobin suspending agent.
The 15% psoralen coumoxystrobin suspending agent using above-mentioned preparation is for preventing rice sheath blight disease.It can by table 4
See, 30 days E-E after 15% psoralen coumoxystrobin suspending agent dispenser0Value is 20.88%, illustrates psoralen and cloves bacterium
There is synergistic effect to rice sheath blight disease after ester compounding.Meanwhile it not finding to apply 15% psoralen fourth during the test
Poisoning is generated to rice after fragrant bacterium ester suspending agent.
4 15% psoralen coumoxystrobin suspending agent of table prevents rice sheath blight disease experiment
Embodiment five
The content of following substance is weight percentage：Psoralen 40%, coumoxystrobin 5%, polycarboxylate
10%, neopelex 8%, sodium carboxymethyl starch 5%, kaolin complements to 100%.Above-mentioned material is mixed in proportion
It closes, is uniformly mixed through air-flow crushing, kneading is granulated, after dry screening, you can 45% psoralen coumoxystrobin moisture is made
Shot agent.
The 45% psoralen coumoxystrobin water dispersible granules using above-mentioned preparation are for preventing sclerotinia sclerotiorum.By table
5 as it can be seen that 30 days E-E after 45% psoralen coumoxystrobin water dispersible granules dispenser0Value is 13.80%, illustrates psoralen
There is synergistic effect to sclerotinia sclerotiorum after being compounded with coumoxystrobin.Meanwhile it not finding to apply 45% Psoralen during the test
Poisoning is generated to rape after fat element coumoxystrobin water dispersible granules.
5 45% psoralen coumoxystrobin water dispersible granules of table prevent sclerotinia sclerotiorum experiment
Embodiment six
The content of following substance is weight percentage：Psoralen 48%, coumoxystrobin 8%, polyoxyethylene-are poly-
Oxypropylene block copolymer 8%, sodium lignin sulfonate 5%, polyvinyl pyrrolidone 3%, diatomite complements to 100%.It will be above-mentioned
Material mixes in proportion, is uniformly mixed through air-flow crushing, kneading is granulated, after dry screening, you can 56% psoralen is made
Coumoxystrobin water dispersible granules.
The 56% psoralen coumoxystrobin water dispersible granules using above-mentioned preparation are for preventing rice sheath blight disease.By table
6 as it can be seen that 30 days E-E after 56% psoralen coumoxystrobin water dispersible granules dispenser0Value is 23.60%, illustrates psoralen
There is synergistic effect to rice sheath blight disease after being compounded with coumoxystrobin.Meanwhile it not finding to apply 56% Psoralen during the test
Poisoning is generated to rice after fat element coumoxystrobin water dispersible granules.
6 56% psoralen coumoxystrobin water dispersible granules of table prevent rice sheath blight disease experiment
In conclusion a kind of bactericidal composition containing psoralen and coumoxystrobin of the present invention, synergistic effect
Significantly, it compares each single dose to be used alone, preventive effect significantly improves, and can effectively prevent the sclerotiniose on rape, the banded sclerotial blight on rice
Etc. diseases, the lasting period is long, to crop safety, is worth promoting and applying in agricultural production.
Claims (8)
1. a kind of bactericidal composition containing psoralen and coumoxystrobin, it is characterised in that：Effective active composition is by psoralea corylifolia
The weight ratio of element and coumoxystrobin composition, psoralen and coumoxystrobin is 20:1~1:1.
2. a kind of bactericidal composition containing psoralen and coumoxystrobin according to claim 1, it is characterised in that：It mends
The weight ratio of bone fat element and coumoxystrobin is 10:1~1:1.
3. a kind of bactericidal composition containing psoralen and coumoxystrobin according to claim 1, it is characterised in that：It mends
The weight ratio of bone fat element and coumoxystrobin is 6:1.
4. a kind of bactericidal composition containing psoralen and coumoxystrobin according to claim 1, it is characterised in that：It mends
The weight ratio of bone fat element and coumoxystrobin is 4:1.
5. a kind of bactericidal composition containing psoralen and coumoxystrobin according to claim 1, it is characterised in that：Institute
The dosage form for stating bactericidal composition is suspending agent, water dispersible granules.
6. a kind of bactericidal composition containing psoralen and coumoxystrobin according to claim 5, it is characterised in that institute
When stating the dosage form of bactericidal composition suspending agent is made, weight percentage is：Psoralen 20%, coumoxystrobin 5%, fatty alcohol
Polyethylene glycol ether sulfate 5%, sodium lignin sulfonate 7%, polyvinyl alcohol 1%, ammonium sulfate 3%, silicone oil 0.2%, deionized water
Complement to 100%.
7. a kind of bactericidal composition containing psoralen and coumoxystrobin according to claim 5, it is characterised in that institute
When stating the dosage form of bactericidal composition water dispersible granules are made, weight percentage is：Psoralen 48%, gathers coumoxystrobin 8%
Ethylene oxide-polyoxypropylene block copolymers 8%, sodium lignin sulfonate 5%, polyvinyl pyrrolidone 3%, diatomite complements to
100%.
8. a kind of sclerotium of the bactericidal composition containing psoralen and coumoxystrobin described in claim 1 in preventing rape
The purposes in banded sclerotial blight in disease, rice.
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| CN201810340242.3A CN108477187A (en) | 2018-04-16 | 2018-04-16 | A kind of bactericidal composition containing psoralen and coumoxystrobin |
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ID=63316117
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109303074A (en) * | 2018-11-06 | 2019-02-05 | 于海峰 | The mix preparation of controlling plant diseases and its application |
| CN110178849A (en) * | 2019-05-24 | 2019-08-30 | 江苏省中国科学院植物研究所 | Purposes of the psoralen in prevention and treatment phytobacterial disease |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102067850A (en) * | 2011-03-02 | 2011-05-25 | 江苏省中国科学院植物研究所 | Application of psoralen as agricultural disinfectant or pesticide |
| CN102885066A (en) * | 2012-09-21 | 2013-01-23 | 吉林省八达农药有限公司 | Agricultural bactericidal composition containing coumoxystrobin and prochloraz |
-
2018
- 2018-04-16 CN CN201810340242.3A patent/CN108477187A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102067850A (en) * | 2011-03-02 | 2011-05-25 | 江苏省中国科学院植物研究所 | Application of psoralen as agricultural disinfectant or pesticide |
| CN102885066A (en) * | 2012-09-21 | 2013-01-23 | 吉林省八达农药有限公司 | Agricultural bactericidal composition containing coumoxystrobin and prochloraz |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109303074A (en) * | 2018-11-06 | 2019-02-05 | 于海峰 | The mix preparation of controlling plant diseases and its application |
| CN110178849A (en) * | 2019-05-24 | 2019-08-30 | 江苏省中国科学院植物研究所 | Purposes of the psoralen in prevention and treatment phytobacterial disease |
| CN110178849B (en) * | 2019-05-24 | 2021-03-23 | 江苏省中国科学院植物研究所 | Application of psoralen in preventing and treating plant bacterial diseases |
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Address after: 610000 Northwest Biochemical Company, 388 Rongtai Avenue, Cross-Strait Science and Technology Industrial Development Park, Wenjiang District, Chengdu City, Sichuan Province Applicant after: Du Guixiang Address before: 516000 Villagers'Group of Jinxing Teahouse, Tongqiao Town, Zhongkai High-tech Zone, Huizhou City, Guangdong Province Applicant before: Du Guixiang |
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