CN106577717A - Corn field post-seedling weeding composition - Google Patents
Corn field post-seedling weeding composition Download PDFInfo
- Publication number
- CN106577717A CN106577717A CN201611084918.4A CN201611084918A CN106577717A CN 106577717 A CN106577717 A CN 106577717A CN 201611084918 A CN201611084918 A CN 201611084918A CN 106577717 A CN106577717 A CN 106577717A
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- CN
- China
- Prior art keywords
- nicosulfuron
- composition
- weight
- percentage
- fluroxypyr
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof
-
- 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
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
-
- 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
- A01N43/80—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 1,2
Abstract
The invention discloses a weeding composition. The weeding composition contains effective constituents including, by weight, 1%-30% of fluroxypyr, 1%-30% of isoxaflutole and 1%-10% of nicosulfuron and also contains farm chemical auxiliaries as the balance. According to the actual application requirements, the weeding composition can be prepared into one of a water suspending agent, a dispersible oil suspending agent, aqueous emulsion, microemulsion, wettable powder and water dispersible granules and used for preventing and removing annual weed in a cornfield.
Description
Technical field
The present invention relates to a kind of corn field postemergence weed control compositionss, with fluroxypyr, isoxaflutoles and the phonetic sulphur of cigarette
It is grand for effective ingredient.
Background technology
Chemical method weeding is agriculturally to control one of Main Means of weeds.In recent years, due to some herbicide kinds
Large area is used alone, and already leads to many weeds and develops immunity to drugs.Meanwhile, grass when weeds occur is mutually complicated, various weeds
Mixed life, the use of single variety herbicide can not solve farmland weed, can show defect in a certain respect and limitation.It is different
Species herbicide mixture, with herbicidal spectrum it is wide, lift actual effect, delay herbicide resistance, time and labour saving advantage.
Fluroxypyr, English name：Fluroxypyr, is inner sucting conduction type herbicide after seedling, quickly by plant after medicine
Absorb, make sensitive plant the reaction of classical hormones class herbicide occur, plant deformity, distortion are final withered, it is adaptable to Semen Tritici aestivi,
Prevent and kill off broad leaved weed, such as Herba Galii Teneri, volume stem smartweed, Herba Portulacae, dragon in the ground such as Fructus Hordei Vulgaris, Semen Maydiss, Fructus Vitis viniferae, orchard, pasture, forest land, lawn
Certain herbaceous plants with big flowers, Herba seu Flos Convolvuli arvensves, knotweed, Herba Amaranthi tricoloriss etc..
Isoxaflutole, English name：Isoxaflutole, be for the Dry crop such as Semen Maydiss, Caulis Sacchari sinensis field do soil treatment or
A kind of organic heterocyclic class selectivity internal-suction type herbicide before seedling stage of after seedling early stage spraying, mainly via weeds young root Assimilation and conductivity
Work, after susceptible weeds absorb this medicine, chlorophyllous formation is destroyed by suppressing ethyl-para-hydroxyphenyl ketone dioxygenase, led
Aggrieved weeds chlorosis is caused to wither.
Nicosulfuron, English name：Nicosulfuron, is systemic herbicide, can be weeds stem and leaf and root absorption, with
Conduct in the plant body afterwards, cause sensitive plant growth retardation, stem and leaf chlorisis, gradually withered, generally 20-25 days it is dead
Die, but longer time is needed to some perennial weeds in the case where temperature is relatively low, the dispenser drug effect before 4 leaf phases after bud
Good, when Seedling is big, dispenser drug effect declines, and the medical instrument has activity of weeding before bud, but activity is low compared with after bud.
Variety classes herbicide mixture, with herbicidal spectrum it is wide, lift actual effect, delay herbicide resistance, time and labour saving
Advantage.Screened by formulation of pesticide, actual prevention effect can be effectively improved, reduce dosage, reduces cost delays disease, worm, grass
The drug-fast generation of evil, is the important means of agricultural synthesis improvement.The present inventor is to fluroxypyr, isoxaflutoles and cigarette
The recipe determination of Sulfometuron Methyl has made intensive studies, it is found that fluroxypyr, isoxaflutoles and nicosulfuron carry out mixture,
There is potentiation to corn field annual grassy weeds in certain mixed ratio scope, after further study, complete the present invention.
The content of the invention
It is an object of the invention to the problem that develops immunity to drugs to farmland weed in solving prior art, there is provided it is a kind of efficiently,
Low toxicity, quick-acting are good and the lasting period is long, are conducive to the Herbicidal combinations of corn field annual grassy weeds comprehensive control.
Technical scheme：A kind of corn field postemergence weed control compositionss, effective ingredient be fluroxypyr, isoxaflutoles and
Nicosulfuron；Fluroxypyr percentage by weight in the composition be 1%～30% ， isoxaflutoles in the composition
Percentage by weight is 1%～30%, and nicosulfuron percentage by weight in the composition is 1%～10%, and remaining is helped for pesticide
Agent.The dosage form of practical application is aqueous suspension agent, dispersible oil-suspending agent, aqueous emulsion, microemulsion, wettable powder, water-dispersible grain
One kind in agent.
Insecticides adjuvant used in Herbicidal combinations of the present invention include solvent, emulsifying agent, wetting agent, stabilizer, dispersant,
Thickening agent, pH adjusting agent, defoamer, antifreezing agent, deionized water, filler etc., are all that commonly use in Pesticide formulation various help
Simply test is determined excessively according to recipe requirements for agent, concrete composition and consumption.
The production technology of the various application forms of composition pesticide that the present invention is provided belongs to existing known technology, and here is no longer
Repeat.
The Herbicidal combinations that the present invention is provided, use in Semen Maydiss 3-5 leaf phases, annual grassy weeds 3-5 leaves.
The Herbicidal combinations that the present invention is provided, generally adopt and are watered spray method use, it is also possible to as needed using agriculture
Other applied in industry use technology.
The Herbicidal combinations that the present invention is provided have the advantages that：
1st, the Herbicidal combinations that the present invention is provided, show obvious potentiation, compositionss in certain ratio range
Prevention effect be significantly improved than single dose, reduce the using dosage of pesticide, reduce times for spraying, reduce medication into
This, reduces adverse effect of the pesticide to ecological environment.
2nd, the Herbicidal combinations that the present invention is provided, the combination of three kinds of effective ingredient expand herbicidal spectrum, a drug
Weed problem is solved, defect and limitation when single dose is used is compensate for.
3rd, the Herbicidal combinations that the present invention is provided, three kinds of effective ingredient mechanism of action are inconsistent, can overcome long-term single
Using the shortcoming for easily producing resistance, extend the service life of medicament, the comprehensive control important in inhibiting to Weed Resistance.
4th, the Herbicidal combinations that the present invention is provided, drug effect play rapid, and the lasting period is long, and use cost is low, easy to use, save
Shi Shengli, its popularization and application have huge economic benefit and social benefit.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention are more short and sweet, present invention specific examples below
Illustrate, but the present invention is only limitted to absolutely not these embodiments.Described below is only the present invention preferably embodiment, is used only for
The description present invention, it is impossible to be interpreted as limiting the scope of the present invention.It should be pointed out that all in the spirit and principles in the present invention
Within any modification, equivalent and the improvement made etc., all should include within protection scope of the present invention.Therefore, originally
The protection domain of patent of invention should be defined by claims.
Amount described in embodiment is weight percentage.
Embodiment 1：18% fluroxypyr isoxaflutole nicosulfuron aqueous suspension agent
Concrete operation step is：First other auxiliary agents are mixed, in cutter, shear-mixed is uniform, is subsequently adding active compound,
2-3h is ground in ball crusher, a diameter is made in below 5mm, you can 18% fluroxypyr isoxaflutole is obtained
Nicosulfuron aqueous suspension agent.
Embodiment 2：20% fluroxypyr isoxaflutole nicosulfuron aqueous emulsion
Concrete operation step is：First active compound, trimethylbenzene, Sorbitan fatty acid ester are mixed, dissolving becomes equal
Even oil phase.Again part water and other auxiliary agents are mixed, dissolving becomes uniform water phase.Then in a kettle. at a high speed
Oil phase is added into water phase while stirring, is slowly added water to and is reached phase inversion point, carry out high speed shear afterwards, and add remaining
Water, shears about 30min, you can 20% fluroxypyr isoxaflutole nicosulfuron aqueous emulsion is obtained.
Embodiment 3：24% fluroxypyr isoxaflutole nicosulfuron microemulsion
Concrete operation step is：First active compound is completely dissolved with fatty acid methyl ester, other auxiliary agents are then added, mixing is equal
It is even, water is eventually adding, after being sufficiently stirred for, you can 24% fluroxypyr isoxaflutole nicosulfuron microemulsion is obtained
Agent.
Embodiment 4：22% fluroxypyr isoxaflutole nicosulfuron wettable powder
Concrete operation step is：Active compound, other auxiliary agents are sufficiently stirred in stirred tank, are mixed Jing after jet mill is crushed
Close uniform, you can 22% fluroxypyr isoxaflutole nicosulfuron wettable powder is obtained.
Embodiment 5：19% fluroxypyr isoxaflutole water dispersible granule of nicosulfuron
Concrete operation step is：To there are active compound, other auxiliary agent mix homogeneously, be crushed with micro jet, Jing will be mediated
Pelletize, drying are carried out in adding fluidized-bed granulation dryer afterwards, after screening, you can 19% fluroxypyr isoxazole is obtained
Oxadiazon water dispersible granule of nicosulfuron.
Embodiment 6：20% fluroxypyr isoxaflutole nicosulfuron dispersibles oil-suspending agent
Concrete operation step is：Active compound is mixed homogeneously with other auxiliary agents, clipped dispersion 20～30 minutes, sand mill sand
Mill 2～3 hours, particle diameter is below 5 microns, you can 20% fluroxypyr isoxaflutole nicosulfuron is obtained can be divided
Scattered oil-suspending agent.
Embodiment 7：16% fluroxypyr isoxaflutole nicosulfuron dispersibles oil-suspending agent
Concrete operation step is：Active compound is mixed homogeneously with other auxiliary agents, clipped dispersion 20～30 minutes, sand mill sand
Mill 2～3 hours, particle diameter is below 5 microns, you can 16% fluroxypyr isoxaflutole nicosulfuron is obtained can be divided
Scattered oil-suspending agent.
Embodiment 8：Synergy bioassay test
Using potted plant stem and leaf nebulization (NY/T 1155.4-2006)：In high 6cm, the built-in quantitative soil of porcelain alms bowl of diameter 9cm,
Warm indoor cultivation will be placed on after the fine earth of 0.5～1cm of lid, horse is treated for trying 15～20 sowings of target weeds seed in porcelain alms bowl
Tang and Amaranthus retroflexus length carry out stem and leaf spraying treatment to 3～4 leaf phases, quantitatively spray 1ml per porcelain alms bowl, often process 4 repetitions, and set not
Process containing medicament is control, tries material and be placed in warm indoor cultivation, the growing state of routine observation target weeds, after 18d after process
Range estimation target weeds damage symptoms and growth inhibited situation, and claim aerial partss fresh weight, evaluated with target weeds fresh weight inhibition
Toxicity action of the medicament to target weeds.
Target weeds damage symptoms and growth inhibited situation are estimated after test process 18d, and claims aerial partss fresh weight, calculated
Fresh weight inhibition (%).
Fresh weight survival rate P0(%)=100%-P
Herbicide associated form (NY/T 1155.7-2006) is evaluated according to Gowing methods, its formula is as follows：
E0﹦ XYZ/1002
In formula, X is fresh weight survival rate of the fluroxypyr with certain dosage when alone to target weeds；Y Wei isoxazoles grass
Fresh weight survival rate of the ketone with certain dosage when alone to target weeds；Z be nicosulfuron with certain dosage it is alone when to target weeds
Fresh weight survival rate；E0For three kinds of pharmacy mix of fluroxypyr, isoxaflutoles and nicosulfuron when to target weeds survive
The theoretical value of rate；To target weeds survival rate when E is three kinds of pharmacy mix of fluroxypyr, isoxaflutoles and nicosulfuron
Measured value.
Evaluation criterion：Work as E0During-E ＞ 10%, potentiation is expressed as；As 10%≤E of ﹣0During-E≤10%, phase is shown as
Plus effect；Work as E0During-E ＜ ﹣ 10%, antagonism is shown as.
Herbicidal combinations of the present invention see the table below 1 to the indoor building performance determination test result of Herba Digitariae, Amaranthus retroflexus.
Toxicity test result of table 1, fluroxypyr, isoxaflutoles, the nicosulfuron and its mixture combination to Herba Digitariae
The combination of table 2, fluroxypyr, isoxaflutoles, nicosulfuron and its mixture is tied to the toxicity test of Amaranthus retroflexus
Really
Embodiment 9：Prevent and kill off corn field annual grassy weeds field control effectiveness test
Reagent agent and dispenser dosage：
(1) 18% fluroxypyr isoxaflutole nicosulfuron suspending agent, per mu with 18 grams of effective ingredient (system
Agent embodiment is 1).
(2) 20% fluroxypyr isoxaflutole nicosulfuron aqueous emulsions, per mu with 20 grams of effective ingredient (system
Agent embodiment is 2).
(3) 24% fluroxypyr isoxaflutole nicosulfuron microemulsions, per mu with 24 grams of effective ingredient (system
Agent embodiment is 3).
(4) 22% fluroxypyr isoxaflutole nicosulfuron wettable powders, per mu with effective ingredient 22
Gram (example of formulations 4).
(5) 19% fluroxypyr isoxaflutole water dispersible granule of nicosulfuron, per mu with effective ingredient 19
Gram (example of formulations 5).
(6) 20% fluroxypyr isoxaflutole nicosulfurons dispersible oil-suspending agent, per mu of use effectively into
Divide 20 grams (example of formulations 6).
(7) 16% fluroxypyr isoxaflutole nicosulfurons dispersible oil-suspending agent, per mu of use effectively into
Divide 16 grams (example of formulations 7).
Comparison medicament and dispenser dosage：
(8) 12% fluroxypyr cream, per mu with 8 grams of effective ingredient (comparison medicine 1).
(9) 30% isoxaflutole suspending agents, per mu with 6 grams of effective ingredient (comparison medicine 2).
(10) 4% nicosulfurons dispersible oil-suspending agent, and per mu with 4 grams of effective ingredient (comparison medicine 3).
Subjects and method：
The weeds 3-5 leaf phases such as Herba Digitariae, Herba Setariae Viridis, Herba chenopodii, Herba Xanthii, in 3～5 leaf phase of Semen Maydiss, Herbicidal combinations of the present invention are converted
30 liter/mu of water, carries out stem and leaf spraying.
Result of the test：3 are shown in Table, as can be seen from the test results：The Herbicidal combinations of the present invention are annual to corn field miscellaneous
The average preventive effect of grass reaches more than 90%, hence it is evident that be better than the single dose of control, and potentiation significantly, and expands herbicidal spectrum, speed
Effect property and lasting period are substantially better than single dose.The Herbicidal combinations of the present invention are affected without poisoning and the underproduction to corn safety.
Table 3, preventing and treating corn field annual grassy weeds field control effectiveness test result (after medicine 20 days)
As in corn field, atrazine is used for for many years, Weed Resistance is serious, and atrazine is when remaining in soil
Between it is very long, there is poisoning risk to various second stubble crops, there is pollution risk to underground waterleaf.Herbicidal combinations of the present invention contain
Effective ingredient is three kinds of fluroxypyr, isoxaflutoles and nicosulfuron, has abandoned what traditional corn field herbicidal contained
Atrazine composition, be one it is environmentally friendly, to the obvious Herbicidal combinations of weeds potentiation, can apply to prevent in actual production
Except corn field annual grassy weeds.
Claims (6)
1. a kind of corn field postemergence weed control compositionss, it is characterised in that effective ingredient is：Fluroxypyr, isoxaflutoles
And nicosulfuron；Fluroxypyr percentage by weight in the composition be 1%～30% ， isoxaflutoles in the composition
Percentage by weight be 1%～30%, nicosulfuron percentage by weight in the composition be 1%～10%, remaining is pesticide
Auxiliary agent.
2. a kind of corn field postemergence weed control compositionss according to claim 1, it is characterised in that：Effective ingredient is：Chlorine fluorine
Pyrrole fluoroacetic acid, isoxaflutoles and nicosulfuron；Fluroxypyr percentage by weight in the composition is 8% ， isoxazoles
Oxadiazon percentage by weight in the composition is 2%, and nicosulfuron percentage by weight in the composition is 1%%, and remaining is
Insecticides adjuvant.
3. a kind of corn field postemergence weed control compositionss according to claim 1, it is characterised in that：Effective ingredient is：Chlorine fluorine
Pyrrole fluoroacetic acid, isoxaflutoles and nicosulfuron；Fluroxypyr percentage by weight in the composition is 2% ， isoxazoles
Oxadiazon percentage by weight in the composition is 4%, and nicosulfuron percentage by weight in the composition is 8%%, and remaining is
Insecticides adjuvant.
4. a kind of corn field postemergence weed control compositionss according to claim 1, it is characterised in that：Effective ingredient is：Chlorine fluorine
Pyrrole fluoroacetic acid, isoxaflutoles and nicosulfuron；Fluroxypyr percentage by weight in the composition is 4% ， isoxazoles
Oxadiazon percentage by weight in the composition is 4%, and nicosulfuron percentage by weight in the composition is 2%%, and remaining is
Insecticides adjuvant.
5. a kind of corn field postemergence weed control compositionss according to claim 1, it is characterised in that：Described Herbicidal combinations
Preparation becomes aqueous suspension agent, the one kind dispersibled in oil-suspending agent, aqueous emulsion, microemulsion, wettable powder, water dispersible granules.
6. application of a kind of corn field postemergence weed control compositionss described in claim 1 in corn field annual grassy weeds is prevented and kill off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611084918.4A CN106577717A (en) | 2016-11-30 | 2016-11-30 | Corn field post-seedling weeding composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611084918.4A CN106577717A (en) | 2016-11-30 | 2016-11-30 | Corn field post-seedling weeding composition |
Publications (1)
| Publication Number | Publication Date |
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| CN106577717A true CN106577717A (en) | 2017-04-26 |
Family
ID=58594190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611084918.4A Pending CN106577717A (en) | 2016-11-30 | 2016-11-30 | Corn field post-seedling weeding composition |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101795560A (en) * | 2007-05-21 | 2010-08-04 | 辛根塔有限公司 | Herbicide compositions |
| CN103238607A (en) * | 2012-02-13 | 2013-08-14 | 陕西美邦农药有限公司 | Herbicidal composition containing isoxaflutole and fluroxypyr |
| CN104255762A (en) * | 2014-09-11 | 2015-01-07 | 河南中天恒信生物化学科技有限公司 | Weeding composition containing isoxaflutole, halosulfuron-methyl and fluroxypyr and application of weeding composition |
| CN105519556A (en) * | 2015-12-27 | 2016-04-27 | 浙江新安化工集团股份有限公司 | A herbicide synergistic composition containing isoxaflutole |
| CN105638679A (en) * | 2016-03-24 | 2016-06-08 | 北京燕化永乐生物科技股份有限公司 | Weeding composition |
-
2016
- 2016-11-30 CN CN201611084918.4A patent/CN106577717A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101795560A (en) * | 2007-05-21 | 2010-08-04 | 辛根塔有限公司 | Herbicide compositions |
| CN103238607A (en) * | 2012-02-13 | 2013-08-14 | 陕西美邦农药有限公司 | Herbicidal composition containing isoxaflutole and fluroxypyr |
| CN104255762A (en) * | 2014-09-11 | 2015-01-07 | 河南中天恒信生物化学科技有限公司 | Weeding composition containing isoxaflutole, halosulfuron-methyl and fluroxypyr and application of weeding composition |
| CN105519556A (en) * | 2015-12-27 | 2016-04-27 | 浙江新安化工集团股份有限公司 | A herbicide synergistic composition containing isoxaflutole |
| CN105638679A (en) * | 2016-03-24 | 2016-06-08 | 北京燕化永乐生物科技股份有限公司 | Weeding composition |
Non-Patent Citations (1)
| Title |
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| 刘步林: "《农药剂型加工技术（第二版）》", 31 October 1998, 化学工业出版社 * |
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