CN107094771A - It is a kind of containing clefoxidim He the Herbicidal combinations of metamifop - Google Patents
It is a kind of containing clefoxidim He the Herbicidal combinations of metamifop Download PDFInfo
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- CN107094771A CN107094771A CN201710429013.4A CN201710429013A CN107094771A CN 107094771 A CN107094771 A CN 107094771A CN 201710429013 A CN201710429013 A CN 201710429013A CN 107094771 A CN107094771 A CN 107094771A
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- clefoxidim
- metamifop
- herbicidal combinations
- metamifops
- weeds
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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
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/74—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,3
- A01N43/76—1,3-Oxazoles; Hydrogenated 1,3-oxazoles
-
- 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
- A01N43/18—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 sulfur 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)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
It is of the invention public provide it is a kind of containing clefoxidim He the Herbicidal combinations of metamifop, wherein active ingredient are clefoxidim He metamifop, described clefoxidim is He the weight ratio of metamifop is 1：15~15：1.The present invention is used to prevent and treat rice field grassy weed, especially for barnyard grass and moleplant seed, show to utilize the complementarity between composition active component by the test of pesticide effectiveness, improve the preventive effect to weeds, compensate for herbicide it is alone when deficiency, have significant synergies and the lasting period is long, and to rice crop safety.
Description
Technical field
The invention belongs to agriculture plant protection field.It is more particularly related to containing clefoxidim He oxazole acyl
The Herbicidal combinations of careless amine.
Background technology
Paddy rice is one of topmost cereal crops of China, and the species of paddy field weed is a lot, various regions weeds species survey
Difference, national rice region there are about the kind of weeds more than 200, wherein the common main weeds that generation is universal, harm is serious there are about 50 kinds, master
Weeds are wanted to include barnyard grass, nutgrass flatsedge, Monochoria vaginalis, moleplant seed etc..Weeds in rice field can influence the growth of paddy rice to influence paddy rice
Yield.So far, the herbicide of many control of weeds suitable for rice terrace has been developed.But, it is miscellaneous in rice terrace
Grass seeds class is various, feature is different, and single herbicide is often because herbicide controlling spectrum is limited and can not kill a variety of weeds simultaneously, peasant
It is forced to increase spraying times, increases the input of weeding.Therefore, it is necessary to develop a kind of herbicide with wide spectrum herbicide effect with
Realize effective preventing and treating to weeds in rice terrace.
Metamifop (metamifop) is that the aromatic oxygen-phenoxy group propionates class developed by Chemical Engineering Technology research institute of South Korea is removed
Careless agent, can admirably prevent and kill off most of annual gramineous weeds.With most of such herbicides except that, it is to paddy rice
Safety, can effectively prevent and kill off rice terrace main weeds, such as barnyard grass, moleplant seed, lady's-grass and eleusine indica.It is mainly used in transplanting and Direct-seeding Rice
Field weeding.Effective ingredient needs to reach that target can play herbicide effect in plant.Vegetable fatty acid can be suppressed after medication
Synthesis, there is blade face and move back green in susceptible weeds in several days, suppress growth, some weeds dry up for 7-14 days after administration, gradually
It is dead.
Clefoxidim (profoxydim), chemical name be 2- [1- [2- (4- chlorophenoxies) propoxyl group imino group] butyl-
3- hydroxyls -5- [tetrahydrochysene -2H- thiapyran (thia) -3- bases] hexamethylene -2- ketenes, structural formula is：
Clefoxidim is the currently the only one cyclohexenone analog broad-spectrum herbicide for being applied to rice terrace, is acetyl coenzyme A
Absorbed and shifted by plant rapidly after carboxylase (ACCase) inhibitor, foliage application, suppress the growth of sprouting, weeds are first lost
It is green, change colour afterwards withered, be mainly used in preventing and kill off the grassy weeds such as rice terrace barnyard grass, moleplant seed, to rice safety, but to broad-leaved and
Sedge weed preventive effect is undesirable.
Some existing document reports cross the herbicidal composition containing clefoxidim, such as patent CN106106455A descriptions
Synergistic herbicidal compositions comprising fluroxypramide and cyhalofop-butyl, metamifops or clefoxidim, to control in rice terrace
Unwanted vegetation, patent CN102057924A describes a kind of complex composition containing clefoxidim and penoxsuam,
To control the vegetation being not needed in rice terrace, but clefoxidim is not yet disclosed by document He what metamifop was constituted
Composition, is also supported without correlation test data.
The content of the invention
It is an object of the invention to solve developed immunity to drugs in the prior art to farmland weed problem and using effect, to carry
High herbicidal agent prevention effect, reduces amount of application, reduces cost accounting, and provides a kind of above-mentioned composition and is prevented and treated in agriculture field
The application of weeds, particularly for preventing and kill off paddy field weed preventing and treating.
In order to reach the purpose solved the above problems, worked by biologicall test and from great number tested data, conclude total
Knot, it was found that clefoxidim is had significant synergies to weeds in paddy field He metamifop is compounded with certain proportion, heavier
What is wanted is that amount of application is reduced, use cost reduction.
On the basis of above-mentioned discovery, by carrying out the quantitative analysis of synergistic effect to composition, form the present invention's
Technical scheme.
The technical solution adopted by the present invention is：
It is a kind of containing clefoxidim He active ingredient in the Herbicidal combinations of metamifop, said composition is ring benzene grass
Tong is He metamifop, the clefoxidim are He the weight ratio of metamifop is 1：15~15：1.
Further, the weight ratio of clefoxidim and metamifop is 1 in the active ingredient：10~10：1.
Preferably, the weight/mass percentage composition of active ingredient is 2~90% in said composition.
Further, the weight/mass percentage composition of active ingredient is 5~80% in said composition.
As the further scheme of the present invention, the formulation that the Herbicidal combinations are made is missible oil, wettable powder, suspension
One kind in agent, oil-suspending agent or water dispersible granules.
It is a kind of containing clefoxidim He the Herbicidal combinations of metamifop preventing and treating paddy field weed growth on application.
Preferably, described paddy field weed is barnyard grass, moleplant seed.
The auxiliary agent that is used in the present composition and stability and drug effect for active ingredient in storage and in using
Helpful known substance is played, is all the various composition commonly used in pesticidal preparations or allow to use, specific composition and consumption root
Determined according to recipe requirements by simple experiment.
Beneficial effects of the present invention are to be shown by lot of experimental data, and clefoxidim is He the compounding group of metamifop
Compound has synergistic effect to paddy field weed compared with present technology, and wherein clefoxidim Yu metamifop is individually removed
Careless agent is below 80% to the prevention effect of the weeds such as barnyard grass, moleplant seed, and clefoxidim is He removing after metamifop compounding
Careless composition is not less than 90% to the prevention effect of the weeds such as barnyard grass, moleplant seed, so as to understand that the Herbicidal combinations after compounding are bright
The aobvious prevention effect improved to weeds, synergistic effect is obvious；Complex composition reduces dosage, so that cost is reduced,
And reduce the pollution to environment；The formulation that Herbicidal combinations are made uses missible oil, wettable powder, suspending agent, oil-suspending agent
Or water dispersible granules etc., effectively use manpower and material resources sparingly；Simultaneously because the mechanism of action of two kinds of active ingredient is different, delay single
The resistance of active ingredient, extends the service life of medicament.
Embodiment
In order that the objects, technical solutions and advantages of the present invention are more concise, present invention specific examples below
Illustrate, but the present invention is only limitted to absolutely not these examples.As described below is only the embodiment of part of the present invention, is used only for retouching
State the present invention, it is impossible to be interpreted as limiting the scope of the present invention.It should be pointed out that it is all the spirit and principles in the present invention it
Interior done any modifications, equivalent substitutions and improvements etc., should be included in the scope of the protection.Therefore, it is of the invention
The protection domain of patent should be determined by the appended claims.
Auxiliary agent of the present invention can be solid, liquid or surfactant, can by active ingredient together with auxiliary agent it is equal
Even mixing, grinding, are prepared into required formulation.The liquid can be inert liquid carrier, such as monohydric alcohol, polyalcohol,
Ketone, ethers, fat hydrocarbon, halogenated hydrocarbon etc., such as vegetable oil, above inert liquid carrier, which one or more can be mixed, to be made
With.The solid is selected from talcum, atlapulgite, kaolin, diatomite, lime, calcium carbonate, bentonite, bleaching earth, natural minerals
Filler etc., above solid carrier can one or more be used in mixed way.The surfactant can be solidifying to be shown in water
Gel or swellability surfactant, can be non-for fatty acid ester, alkyl ether, acetylenediol, polyoxy acetylene castor oil etc.
Ionic surface active agent, such as APES, polyoxyethylene polyoxy propylene block compound or alkyl sulfate, wood
The anion surfactants such as mahogany sulfonate, such as sodium lignin sulfonate, acetic stearylamine cationic surfactant
The present composition is combined to paddy field weed using clefoxidim He metamifop is active ingredient, between them
With obvious synergistic function, and the simple addition of not exclusively two kinds pharmacy effects, specifically use Assays Example
And field control effectiveness test is illustrated.
First, form formula example：
Following examples be used for the present invention will be further described, in these embodiments, unless otherwise indicated, Suo Youbai
Divide and refer both to percentage by weight than (%).
Embodiment 1：Prepare 16% Huan benzene Cao Tong metamifops suspending agent (weight ratios：1:15)；
The, metamifops 15% of clefoxidim 1%, thermally coupled distillation columns 8%, xanthans 1%, bentonite
1%th, glycerine 3%, water complement to 100%；
Proportioning weighs each component more than, is crushed in advance in proportion, adds in sand mill and grinds, through high shear
Allocated after mixing and 16% Huan benzene Cao Tong metamifop suspending agents are made.
Embodiment 2：Prepare 22% Huan benzene Cao Tong metamifops wettable powder (weight ratios：1:10)；
Formula is as follows：The, metamifops 20% of clefoxidim 2%, calcium lignosulfonate 5%, tripolyphosphate 3%,
NNO8%, talcum powder 7%, kaolin complement to 100%；
Proportioning weighs each component more than, will be sent into after solid-like component coarse crushing together with other components in blender
It is well mixed, then the i.e. obtained 22% Huan benzene Cao Tong metamifop wettable powders after air-flow crushing.
Embodiment 3：Prepare 38.5% Huan benzene Cao Tong metamifops water dispersible granules (weight ratios：10:1)；
Formula is as follows：The, metamifops 3.5% of clefoxidim 35%, viscous powder 3%, bentonite 4%, dodecyl sulphate
Sodium 7%, polycarboxylate 5%, kaolin complement to 100%；
Proportioning weighs each component more than, and in proportion prepared by dry pulverization process, granulation, drying, screening to be made 38.5% ring
Benzene Cao Tong metamifop water dispersible granules.
Embodiment 4：Prepare the careless ketone metamifop of 32% ring benzene and disperse oil-suspending agent (weight ratio：15:1)；
Formula is as follows：The, metamifops 2% of clefoxidim 30%, sodium lignin sulfonate 3%, naphthalene sulfonic acids 2%, organic bentonite
Profit soil 3%, dodecyl sodium sulfonate calcium salt 5%, peanut oil 5%, methyl oleate complement to 100%
Proportioning weighs each component more than, material is added in reactor mixer together in proportion, by multistage
Ground in sand mill, being put into high-shear emulsifying together with the organobentonite dissolved in advance after screening, discharging is made 32% ring
Benzene grass ketone metamifop disperses oil-suspending agent.
Embodiment 5：Prepare 10% Huan benzene Cao Tong metamifops wettable powder (weight ratios：1:1)；
The, metamifops 5% of clefoxidim 5%, calcium lignosulfonate 5%, tripolyphosphate 3%, NNO8%, talcum powder
7%th, kaolin complements to 100%；
Proportioning weighs each component more than, will be sent into after solid-like component coarse crushing together with other components in blender
It is well mixed, then the i.e. obtained 10% Huan benzene Cao Tong metamifop wettable powders after air-flow crushing.
Embodiment 6：Prepare 80% Huan benzene Cao Tong metamifops water dispersible granules (weight ratios：1:3)；
Formula is as follows：The, metamifops 60% of clefoxidim 20%, methyl naphthalene sulfonate formaldehyde condensate 5%, dodecane
Base sodium sulphate 3%, sodium lignin sulfonate 5%, diatomite complement to 100%
Proportioning weighs each component more than, and in proportion prepared by dry pulverization process, granulation, drying, screening to be made 80% ring benzene
Cao Tong metamifop water dispersible granules.
Embodiment 7：Prepare 66% Huan benzene Cao Tong metamifops suspending agent (weight ratios：5:1)；
Formula is as follows：The, metamifops 11% of clefoxidim 55%, agriculture breast 500#5%, Teepol 5%, alkyl
Benzene sulfonic acid amine salt 3%, organosilicon 5%, water are mended to 100%
Proportioning weighs each component more than, is crushed in advance in proportion, adds in sand mill and grinds, through high shear
66% Huan benzene Cao Tong metamifop suspending agents are made in allotment system after mixing.
Embodiment 8：Prepare 60% Huan benzene Cao Tong metamifops wettable powder (weight ratios：1:5)；
Formula is as follows：It is the, metamifops 50% of clefoxidim 10%, neopelex 5%, talcum powder 2%, white
Carbon black 5%, kaolin are mended to 100%；
Proportioning weighs each component more than, will be sent into after solid-like component coarse crushing together with other components in blender
It is well mixed, then the i.e. obtained 60% Huan benzene Cao Tong metamifop wettable powders after air-flow crushing.
Embodiment 9：Prepare 60% Huan benzene Cao Tong metamifops missible oil (weight ratios：1:2)；
Formula is as follows：The, metamifops 40% of clefoxidim 20%, 1-METHYLPYRROLIDONE 8%, DMF5%, agriculture breast
500#5%, dimethylbenzene complement to 100%；
Proportioning weighs each component more than, and material is added in reactor mixer together in proportion, stirred,
60% Huan benzene Cao Tong metamifop missible oil is made.
2nd, drug effect checking test
(1) Assays Example
Determine co-toxicity coefficient of the Huan benzene Cao Tong metamifops to weeds barnyard grass.
Test method：In the glass dish that quantitative weed seed is seeded in a diameter of 15cm respectively, in each glass dish
15~20 seeds are broadcast, cultivates, when 3~5 leaf phase of barnyard grass, is sprayed on crawler type crops sprayer in illumination box
Mist processing.Continue to cultivate in greenhouse after processing, respectively processing, to the preventive effect of weeds, is weighed after each processing routine observation after 30 days
Weeds fresh weight, by the nineteen sixties such as Sun Yunpei propose method, prevention effect is converted into niqueMin (y), liquor strength (μ g/
Ml logarithm value (x)) is converted into, concentration EC50 in being calculated virulence equation with least square method and suppressed, the virulence for calculating medicament refers to
Number and co-toxicity coefficient (CTC).Toxicity test the results are shown in Table 1.
Survey toxicity index (ATI)=(standard agent EC50/ reagent agent EC50) * 100；Theoretical toxicity index (TTI)
In=A medicament toxicity index * mixtures in A percentage composition+B medicament toxicity index * mixtures B percentage composition；Co-toxicity coefficient
(CTC)=[mixture actual measurement toxicity index (ATI)/mixture theoretical toxicity index (TTI)] * 100；Co-toxicity coefficient (CTC) >=120 table
It is now synergistic effect；CTC≤80 show as antagonism；80 ＜ CTC ＜ 120 show as summation action.
1st, Huan benzene Cao Tong metamifops compounding is tested the toxicity test of barnyard grass
The Huan benzene Cao Tong metamifops different ratio of table 1 is compounded analyzes (one) to the toxicity test of barnyard grass
As a result (table 1) shows, clefoxidim Yu metamifops are in quality proportioning 1~15：Between 15~1, co-toxicity coefficient
More than 125, illustrate that clefoxidim Yu metamifops compound preventing and kill off with significant synergistic function to barnyard grass.
2nd, Huan benzene Cao Tong metamifops compounding is tested the toxicity test of moleplant seed
The Huan benzene Cao Tong metamifops different ratio of table 2 is compounded analyzes (two) to the toxicity test of moleplant seed
As a result (table 2) shows, clefoxidim Yu metamifops are in quality proportioning 1~15：Between 15~1, co-toxicity coefficient
More than 125, illustrate that clefoxidim Yu metamifops compound preventing and kill off with significant synergistic function to moleplant seed.
(2) field control effectiveness test.
To verify the compounding effect of clefoxidim Yu metamifops, the test of pesticide effectiveness is carried out in rice terrace.Experiment is used
Medicament includes the clefoxidim Yu metamifop groups in the single dose and embodiment of clefoxidim Yu metamifop active components
Compound.Experimental field select the more rice terraces of grassy weed such as barnyard grass.According to rice cropping mode and the difference of administration time,
Plot experiment is carried out, and repetition is set.
Test method：According to the area of experimental plot, good various medicaments of precise, and being watered after dilution, using bearing
Formula sprayer, carries out even spraying, the special Fan spray head of sprinkler selection herbicide.Observation in 25 days is miscellaneous after medicine respectively after experiment
Careless death condition, and Weed-control effect is calculated in accordance with the following methods.In addition, emerging for paddy rice is also observed in 1~15 day after medicine
And growing state, to investigate whether medicament has poisoning to paddy rice.
Weed-control effect %=(blank district number of weeds-treatment region number of weeds)/blank district number of weeds × 100%.
Table 3, clefoxidim are Yu metamifop compounding is to barnyard grass and the field efficiency test result of moleplant seed
As a result show, with clefoxidim compared with metamifop single dose, Huan benzene Cao Tong metamifops of the invention
There is obvious synergistic effect, for example can be more than 90% to the barnyard grass selected by experiment, the preventive effect of moleplant seed.In addition, the present invention
Huan benzene Cao Tong metamifop Herbicidal combinations use more easy, efficient and amount of application and reduced, use cost reduction.
The security survey result of table 4, medicament to paddy rice
As a result show, the rice is doing well in each processing cell, has no any symptom of chemical damage, illustrates the ring benzene of the present invention
Cao Tong metamifops Herbicidal combinations not only have excellent synergistic effect, and to rice safety.
Claims (7)
1. it is a kind of containing clefoxidim He the Herbicidal combinations of metamifop, it is characterised in that：In said composition it is effective into
It is divided into clefoxidim He metamifop, the clefoxidim are He the weight ratio of metamifop is 1：15~15：1.
2. Herbicidal combinations according to claim 1, it is characterised in that：The clefoxidim is He the weight of metamifop
Than for 1：10~10：1.
3. Herbicidal combinations according to claim 1, it is characterised in that：The quality percentage of active ingredient contains in said composition
Measure as 2~90%.
4. Herbicidal combinations according to claim 3, it is characterised in that：The quality percentage of active ingredient contains in said composition
Measure as 5~80%.
5. Herbicidal combinations according to claim 1, it is characterised in that：The Herbicidal combinations, which also contain, can agriculturally connect
The auxiliary agent received, the formulation of the Herbicidal combinations is missible oil, wettable powder, suspending agent, oil-suspending agent or water dispersible granules.
6. Herbicidal combinations the answering in preventing and treating paddy field weed according to any one of claim 1-5 claim
With.
7. application according to claim 6, it is characterised in that described paddy field weed is barnyard grass, moleplant seed.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113068702A (en) * | 2021-04-02 | 2021-07-06 | 上海禾勤植保科技中心 | Herbicidal composition containing metamifop |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101083909A (en) * | 2004-12-21 | 2007-12-05 | 辛根塔参与股份公司 | Herbicidal composition |
| CN101731232A (en) * | 2010-01-13 | 2010-06-16 | 刘雪源 | Weed control foliar herbicide compositions in paddy field |
| CN102724876A (en) * | 2009-10-28 | 2012-10-10 | 陶氏益农公司 | Synergistic herbicidal composition containing fluroxypyr and cyhalofop, metamifop or profoxydim |
| CN104430465A (en) * | 2014-11-18 | 2015-03-25 | 山东滨农科技有限公司 | Herbicide composition containing clefoxidim |
-
2017
- 2017-06-08 CN CN201710429013.4A patent/CN107094771A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101083909A (en) * | 2004-12-21 | 2007-12-05 | 辛根塔参与股份公司 | Herbicidal composition |
| CN102724876A (en) * | 2009-10-28 | 2012-10-10 | 陶氏益农公司 | Synergistic herbicidal composition containing fluroxypyr and cyhalofop, metamifop or profoxydim |
| CN101731232A (en) * | 2010-01-13 | 2010-06-16 | 刘雪源 | Weed control foliar herbicide compositions in paddy field |
| CN104430465A (en) * | 2014-11-18 | 2015-03-25 | 山东滨农科技有限公司 | Herbicide composition containing clefoxidim |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113068702A (en) * | 2021-04-02 | 2021-07-06 | 上海禾勤植保科技中心 | Herbicidal composition containing metamifop |
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Application publication date: 20170829 |