CN101617656A - Herbicide composition containing fluazifop-p-butyl and pyrithiobac-sodium - Google Patents
Herbicide composition containing fluazifop-p-butyl and pyrithiobac-sodium Download PDFInfo
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- CN101617656A CN101617656A CN200810017170A CN200810017170A CN101617656A CN 101617656 A CN101617656 A CN 101617656A CN 200810017170 A CN200810017170 A CN 200810017170A CN 200810017170 A CN200810017170 A CN 200810017170A CN 101617656 A CN101617656 A CN 101617656A
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Abstract
The invention relates to a herbicide composition containing fluazifop-p-butyl and pyrithiobac-sodium, which uses the fluazifop-p-butyl and the pyrithiobac-sodium as main active ingredients, wherein the weight ratio of the fluazifop-p-butyl to the pyrithiobac-sodium is 1-8:1-3. The herbicide composition has the advantages of low toxicity, weak allergenicity, few damages to human and livestock, broad herbicide controlling spectrum and remarkable weed control strengthening effect and is suitable for preventing and controlling various weeds in fields of various crops, particularly cotton fields.
Description
Technical field
The invention belongs to agricultural field, particularly a kind of Herbicidal combinations that contains fluazifop-p-butyl and pyrithiobac-sodium.
Background technology
Crops all need to use a large amount of weed killer herbicides for this reason and carry out weed control to retrieve crop yield loss because weeds harm causes crop yield to reduce every year.In recent years, the harm of weeds on diversified economy crops such as cotton is more and more serious, and because the weed killer herbicide abuse makes weeds produce increasing resistance to agricultural chemicals, causes weed control efficacy to reduce year by year.Dimension need have the weed killer herbicide kind of better preventive effect.
Along with social development, human more and more higher to requirement on environmental protection, products such as missible oil become increasingly conspicuous for the shortcoming of environment build-up of pressure because of using a large amount of organic solvents, therefore need novel environment-protection pesticide formulation.
Summary of the invention
The purpose of this invention is to provide a kind of Herbicidal combinations that contains fluazifop-p-butyl and pyrithiobac-sodium as active component, it has wider grass spectrum and the excellent synergy control efficiency of killing.
The present invention contains the Herbicidal combinations of fluazifop-p-butyl and pyrithiobac-sodium, it is characterized in that by fluazifop-p-butyl and pyrithiobac-sodium as active component, the mass ratio of active component is a fluazifop-p-butyl: pyrithiobac-sodium=1～8: 1～3.
Fluazifop-p-butyl (has another name called efficient fluazifop, chemical name: (R)-2-[4-(5-trifluoromethyl-2-pyridine oxygen base) phenoxy group] butyl propionate) and pyrithiobac-sodium (have another name called pyrithiobacsodium, chemical name: 2-chloro-6-(4,6-dimethyl oxygen pyrimidine-2-base sulfenyl) benzoic acid sodium salt) preferred mass ratio is a fluazifop-p-butyl: pyrithiobac-sodium=3: 1, the quality percentage composition of active component in Herbicidal combinations is 6～90%, is preferably 40%.
The present composition is processed into active component conventional formulation such as missible oil (EC), wetting powder (WP), water dispersible granules (WG), oil suspending agent (OF), tablet (TA), suspension emulsion (SC) or solidifies missible oil according to preparation method conventional on the Pesticide Science.Preferred consolidation missible oil of the present invention.
Administration form depends on specific use according to the applicable pattern of conventional formulation; In all cases, must guarantee that their dispersion is trickle as much as possible and even.
Below sketch the preparation method of each preparation:
A wetting powder (WP) is active component evenly to be mixed with solid carrier, dispersant, wetting agent after comminution by gas stream and produce preparation.Described solid carrier: can be the natural minerals class, as silica gel, silicate, talcum, kaolin, lime stone, potter's clay, dolomite, diatomite; Also can be synthetic vectors class, for example white carbon, precipitated calcium carbonate.Dispersant: as lignosulfonates, naphthalene sulfonic acid-formaldehyde condensation product (comprising dispersant NNO) and alkylphenol polyoxyethylene, formaldehyde condensation products sulphate.Wetting agent has lauryl sodium sulfate, JFC etc.In preparation, the content of active component is 6～90%, and the weight ratio of dispersant is 0.1～15%, and the weight ratio of wetting agent is 0.1～15%, and surplus is a solid carrier.
It is with active component, wetting agent, dispersant, adhesive and disintegrant that B water dispersible granules (WG) is dry suspending agent (DF) again, forms by the mixing granulation with water.Be used for wetting agent of the present invention and can be among sodium alkyl sulfate, the sodium alkyl benzene sulfonate plasma type surfactant one or more, its weight ratio is 0.1～15%; Be used for disintegrant of the present invention and can be among starch and derivative, alginic acid and salt and the clay etc. one or more, consumption is 0.1～20% (weight); Be used for formaldehyde condensation products and one or more materials among the polycarboxylic acid surfactant, consumption 2～35% (weight) usually that dispersant of the present invention and adhesive are lignosulfonates, alkylbenzenesulfonate, alkylnaphthalene sulfonate.
C tablet (TA) and effervescent tablet are Formulation, and tablet of the present invention also has inserts, adsorbent, adhesive, lubricant, disintegrant etc. except that active component.Adhesive mainly contains starch, gum Arabic, sodium silicate, gypsum, polyvinyl alcohol, paraffin, pitch etc.Disintegrant mainly is some inorganic electrolytes, as sulphur ammonium, calcium chloride, sodium chloride, magnesium chloride, aluminium chloride etc.Filler that adds in the tablet and adsorbent mainly contain white carbon, diatomite, attapulgite, bentonite, talcum powder, gypsum, sulphate etc.
The high dispersive that D oil-suspending agent (OF) active component forms in non-water system dispersion medium, stable suspension system.Oil-suspending agent of the present invention is made up of active component, vegetable oil and/or mineral oils solvent, emulsifier, wetting agent, dispersant, and wherein wetting agent and dispersant can require to select to add or do not add according to preparation, also can only add wherein a kind of.Wherein the plant oil solvent can be soya-bean oil, cottonseed oil, palm oil, cocoa butter, rapeseed oil, Semen Ricini oil, turpentine oil, enriching vegetable oil, sunflower wet goods; Mineral oil can be the senior aliphatic hydrocarbon wet goods of paraffin series oil, methyl naphthalene.Emulsifier can be the compound of one or more anion and non-ionic surface active agent, also can be the compound of one or more anion surfactants, also can be the compound of one or more non-ionic surface active agents.Non-ionic surface active agent such as alkylphenol polyoxyethylene class, benzylphenol polyethenoxy ether class, benzylbiphenyl phenol polyethenoxy polyoxypropylene ethers, phenethyl phenol polyethenoxy ether and similar kind, fatty alcohol-polyoxyethylene ether and analog, fatty acid esters of sorbitan, alkylphenol-polyethenoxy polyethenoxy ether, polyoxyethylene alkyl amine etc.Anion surfactant such as alkylbenzenesulfonate, alkyl benzene sulfonate calcium salt, alkyl sulfonic acid alkylnaphthalene sulfonate, aliphatic alcohol sulfate, alkyl phosphate and similar kind thereof, polyoxyethylene carboxylate phosphate, alkylphenol polyoxyethylene phosphate and similar kind etc.The non-ionic surface active agent in the emulsifier and the part by weight of anion surfactant are 1～10: 1, and preferred proportion is 2～8: 1, and wetting agent such as lauryl sodium sulfate, JFC etc., dispersant have sodium lignin sulfonate, NNO etc.In preparation, the weight ratio of active component is 6～90%, the weight ratio of emulsifier is 1～20%, the weight ratio of wetting agent be 0.1%～15% or the weight ratio of dispersant be 0.1～15%, when wetting agent and dispersant use simultaneously, the weight ratio of wetting agent is 0.1%～10%, and the weight ratio of dispersant is 0.1～10%, and surplus is an oil.
E suspension emulsion (SC) is by the high dispersive that forms in the water system dispersion medium of sand milling formation, stable suspension system with active component, emulsifier, dispersant, water.Emulsifier can be the compound of one or more anion, non-ionic surface active agent, non-ionic surface active agent such as fatty acid esters of sorbitan, alkylphenol-polyethenoxy polyethenoxy ether, polyoxyethylene alkyl amine etc.Anion surfactant such as calcium dodecyl benzene sulfonate, neopelex etc.The non-ionic surface active agent in the emulsifier and the ratio of anion surfactant are 1～10: 1, and preferred proportion is 2～7: 1, and dispersant has sodium lignin sulfonate, NNO etc.In preparation, the weight ratio of active component is 6～90%, and the weight ratio of emulsifier is 1～20%, and the weight ratio of dispersant is 0.1～15%, and the surplus water is supplied.
F missible oil (EC) is that active component, solvent, solubilizer are mixed, stir, and makes former medicine be dissolved in solvent, and adding again, emulsifier, stabilizing agent stir, and form the transparent non-aqueous system of stable homogeneous.Emulsifier can be for one or more anion or/and the compound of non-ionic surface active agent.Non-ionic surface active agent such as fatty acid esters of sorbitan, alkylphenol-polyethenoxy polyethenoxy ether, polyoxyethylene alkyl amine etc.Anionic surfactant such as alkylbenzenesulfonate, aliphatic alcohol sulfate, alkylphenol polyoxyethylene phosphate etc.The part by weight of non-ionic surface active agent and anion surfactant is 1～10: 1 in the emulsifier, and preferred proportion is 2～6: 1.Solvent can be a mineral oil as toluene, dimethylbenzene, benzinum, paraffin wet goods, also can be vegetable oil and derivative thereof as soya-bean oil, cottonseed oil, palm oil, cocoa butter, rapeseed oil, methyl oleate, oleic acid isooctyl etc.Solubilizer mainly is: cyclohexanol, n-butanol etc.Stabilizing agent mainly contains sorbitol, butyl glycidyl ether etc.
It is that activity, emulsifier, solvent are stirred that G solidifies missible oil, makes active component be dissolved in solvent, adds soluble carrier absorption again, and granulation makes.The advantage of solidified missible oil compatibility missible oil and water dispersible granules, and overcome the heavy-polluted shortcoming of missible oil, become the novel environment friendly type.Emulsifier can be for one or more anion or/and the compound of non-ionic surface active agent (reference oil suspending agent emulsifier).Non-ionic surface active agent such as fatty acid esters of sorbitan, alkylphenol-polyethenoxy polyethenoxy ether, polyoxyethylene alkyl amine etc.Anionic shows activating agent such as alkylbenzenesulfonate, aliphatic alcohol sulfate, alkylphenol polyoxyethylene phosphate etc.The ratio of non-ionic surface active agent and anion surfactant is 1～10: 1 in the emulsifier, and preferred proportion is 2～6: 1.Emulsifier shared ratio in preparation is generally 3%～9%.The active ingredient proportion is 6～90%.Solvent can be a mineral oil as toluene, dimethylbenzene, benzinum, paraffin wet goods, also can be vegetable oil and derivative thereof as soya-bean oil, cottonseed oil, palm oil, cocoa butter, rapeseed oil, methyl oleate, oleic acid isooctyl etc.In actual production processing, the addition of solvent is for dissolving the minimum of active ingredient, and the solvent proportion is generally 3～40% (weight).Carrier can be: soluble starch, glucose soluble, Sodium Benzoate etc.The addition of carrier requires at least and active component and solvent, emulsifier can be adsorbed fully.In actual production, generally supply with carrier.
Compared with the prior art the present invention has following advantage:
1. broad weed-killing spectrum.Can be widely used in the land for growing field crops management of weeds, as lady's-grass, eleusine indica, barnyard grass grass, acalypha copperleaf, kitchen garden, lamb's-quarters etc.
2. to the crop safety height.Present composition toxicity is low, and weak sensitization is low to the toxicity of crop, people and animals, useful natural enemy.Can be under the situation that does not injure crop, the management of weeds of safety.
3. the weed control synergistic effect is remarkable.
4. the formulation safety and environmental protection is little to environmental pressure, and product is convenient to metering, and packing easily reclaims.
Embodiment
The present invention describes with the following example, but does not limit the present invention.
[example of formulations] 1:40% fluazifop-p-butyl pyrithiobac-sodium solidifies missible oil
Raw material weight percentage
Fluazifop-p-butyl 25
Pyrithiobac-sodium 15
Fatty alcohol-polyoxyethylene ether 3
Aralkyl phenol polyethenoxy ether sulfate 2
Dimethylbenzene 20
Sodium Benzoate is supplied
Active component, emulsifier, solvent take by weighing to drop into through metering and are in harmonious proportion still and stir, and through the metering of metering still, add carrier, and stirring and adsorbing is even, add an amount of water and mediate, through extruder grain, with the oven dry of gained particle, sieve and promptly make described curing missible oil.
[example of formulations 2]: 40% fluazifop-p-butyl pyrithiobac-sodium solidifies missible oil
Raw material weight percentage
Fluazifop-p-butyl 30
Pyrithiobac-sodium 10
Fatty alcohol-polyoxyethylene ether 3
Alkyl polyoxyethylene ether phosphate 2
Toluene 28
Sodium Benzoate is supplied
Active component, emulsifier, solvent take by weighing to drop into through metering and are in harmonious proportion still and stir, and through the metering of metering still, add carrier, and stirring and adsorbing is even, add an amount of water and mediate, through extruder grain, with the oven dry of gained particle, sieve and promptly make described curing missible oil
[example of formulations 3]: 40% fluazifop-p-butyl pyrithiobac-sodium solidifies missible oil
Raw material weight percentage
Fluazifop-p-butyl 18
Pyrithiobac-sodium 22
Fatty alcohol-polyoxyethylene ether 4
The two fat 3 of alkyl polyoxyethylene ether phosphorous acid
Chlorobenzene 15
Sodium Benzoate is supplied
Active component, emulsifier, solvent take by weighing to drop into through metering and are in harmonious proportion still and stir, and through the metering of metering still, add carrier, and stirring and adsorbing is even, add an amount of water and mediate, through extruder grain, with the oven dry of gained particle, sieve and promptly make described curing missible oil.
[example of formulations 4]: 28% fluazifop-p-butyl pyrithiobac-sodium solidifies missible oil
Raw material weight percentage
Fluazifop-p-butyl 18
Pyrithiobac-sodium 10
Benzylphenol APEO 2
Fatty alcohol polyoxyethylene ether sulfate 3
Benzene 20
Sodium Benzoate is supplied
Active component, emulsifier, solvent take by weighing to drop into through metering and are in harmonious proportion still and stir, and through the metering of metering still, add carrier, and stirring and adsorbing is even, add an amount of water and mediate, through extruder grain, with the oven dry of gained particle, sieve and promptly make described curing missible oil.
[example of formulations 5]: 40% fluazifop-p-butyl pyrithiobac-sodium water dispersible granules
Raw material weight percentage
Fluazifop-p-butyl 25
Pyrithiobac-sodium 15
Lauryl sodium sulfate 3
Sodium lignin sulfonate 6
How sulfonic formaldehyde condensation compound sodium salt 6
Sodium sulphate 2
Bentonite is supplied
Biological Examples 1: prevent and kill off cotton field weed field control effectiveness test
1, test is handled
(1) 40% fluazifop-p-butyl pyrithiobac-sodium solidifies missible oil (30: 10) 30ml/ mu
(2) 40% fluazifop-p-butyl pyrithiobac-sodiums solidify missible oil (30: 10) 40ml/ mu
(3) 40% fluazifop-p-butyl pyrithiobac-sodiums solidify missible oil (30: 10) 50ml/ mu
(4) 40% fluazifop-p-butyl pyrithiobac-sodiums solidify missible oil (30: 10) 60ml/ mu
(5) 20% pyrithiobac-sodium water dispersible granules 15g/ mus
(6) 15% fluazifop-p-butyl missible oil 90ml/ mus
(7) clear water contrast
7 processing are established in test, and 4 repetitions are handled sub-districts for totally 28,20 square metres of every processing sub-district areas, and district's group is arranged at random.40% fluazifop-p-butyl pyrithiobac-sodium solidifies missible oil, and (Co., Ltd of Shandong Binnong Technology Co., Ltd. produces, product of the present invention) is reagent agent, 15% fluazifop-p-butyl missible oil and 20% pyrithiobac-sodium water dispersible granules are the contrast medicament, and establishing not dispenser spray clear water is blank (CK).In the cotton 1-3 leaf phase, every mu of weeds 3-5 leaf phase is converted 30 kilograms in water, even spraying.The field main weeds has: lady's-grass, barnyard grass grass, eleusine indica, kitchen garden, lamb's-quarters, Amaranthus retroflexus, acalypha copperleaf etc.
2, pilot project and method
(1) safety: after the dispenser, the situation of growing of investigation cotton is estimated the safety of reagent agent to cotton.
(2) herbicidal effect: every sub-district is got 4 points at random, 1/4 square metre of every some investigation, and after the dispenser 15 days, each investigation in 30 days was once write down weeds kind and strain number respectively, calculates weeds strain preventive effect.After the last investigation, collect 4 weeds in the sub-district, claim that its bright grass is heavy, calculate the heavy preventive effect of bright grass.
(3) result of the test
The I safety: the dispenser " Invest, Then Investigate ", chemicals treatment district cotton plant height, Ye Se and blank district basically identical show that reagent agent 40% fluazifop-p-butyl pyrithiobac-sodium solidifies missible oil to cotton safety.
The II herbicidal effect
Result of the test sees Table I
40% fluazifop-p-butyl pyrithiobac-sodium solidifies missible oil to prevent and kill off cotton weeds effect better as can be seen from Table I.After the dispenser 15 days, 40% fluazifop-p-butyl pyrithiobac-sodium solidify missible oil mu with 50, the 60ml herbicidal effect is best, weeds strain preventive effect is 90～94.8, be higher than the preventive effect (61.8%) that contrast medicament 20% pyrithiobac-sodium water dispersible granules mu is used 90ml/ mu with the preventive effect (76.9%) and the 15% fluazifop-p-butyl missible oil mu of 15g/ mu.After the dispenser 30 days, 40% fluazifop-p-butyl pyrithiobac-sodium solidify missible oil mu with 40,50 and the 60ml herbicidal effect better, weeds strain preventive effect is 94～99.3%, the fresh weight preventive effect is 93.0～99.1%, be better than contrasting medicament 20% pyrithiobac-sodium water dispersible granules and 15% fluazifop-p-butyl missible oil mu with (it is 66.7～80.2% that preventive effect is counted in the weeds strain, and the fresh weight preventive effect is 83.5～84%).Above-mentioned showing solidifies missible oil and single agent by 40% fluazifop-p-butyl pyrithiobac-sodium to compare synergistic effect obvious.
Biological Examples 2: prevent and kill off cotton field weed field control effectiveness test
1, test is handled
(1) 40% fluazifop-p-butyl pyrithiobac-sodium solidifies missible oil (1: 1) 40ml/ mu
(2) 40% fluazifop-p-butyl pyrithiobac-sodiums solidify missible oil (1: 3) 40ml/ mu
(3) 36% fluazifop-p-butyl pyrithiobac-sodiums solidify missible oil (8: 1) 40ml/ mu
(4) 44% fluazifop-p-butyl pyrithiobac-sodiums solidify missible oil (8: 3) 40ml/ mu
(5) 20% pyrithiobac-sodium water dispersible granules 15g/ mus
(6) 15% fluazifop-p-butyl missible oil 90ml/ mus
(7) clear water contrast
7 processing are established in test, and 4 repetitions are handled sub-districts for totally 28,20 square metres of every processing sub-district areas, and district's group is arranged at random.(1)～(4) fluazifop-p-butyl pyrithiobac-sodium curing missible oil (production of Co., Ltd of Shandong Binnong Technology Co., Ltd.) is reagent agent, and 20% pyrithiobac-sodium water dispersible granules and 15% fluazifop-p-butyl missible oil are the contrast medicament, and establishing not dispenser spray clear water is blank.In 1～3 leaf phase of cotton, every mu of 3～5 leaf phase of weeds are converted 30 kilograms in water, even spraying.The field main weeds has: lady's-grass, barnyard grass grass, eleusine indica, kitchen garden, Amaranthus retroflexus, acalypha copperleaf etc.
2, pilot project and method
(1) safety: after the dispenser, the situation of growing of investigation cotton is estimated the safety of reagent agent to cotton.
(2) herbicidal effect: every sub-district is got 4 points at random, investigates 1/4 square metre at every, and each investigation in 30 days is once write down weeds kind and strain number respectively after the dispenser, calculates weeds strain preventive effect, and claims it bright careless heavy, calculates bright grass and weighs preventive effect.
(3) result of the test
The I safety: the dispenser " Invest, Then Investigate ", chemicals treatment district cotton plant height, Ye Se and blank district basically identical show that reagent agent (1)～(4) fluazifop-p-butyl pyrithiobac-sodium solidifies missible oil all to cotton safety.
The II herbicidal effect
Result of the test sees Table II
By Table II as can be known the fluazifop-p-butyl pyrithiobac-sodium of different proportionings solidify missible oil to the good preventive effect of annual common weed, to weeds strain preventive effect between 83～84.3%, to weeds fresh weight preventive effect between 85.7%～87%, can effectively prevent and treat the cotton field weed, guarantee that the growth of cotton is not subjected to weed encroachment.And composite dose of preventive effect is higher than the preventive effect of each single agent, and this shows that fluazifop-p-butyl and pyrithiobac-sodium are composite has an obvious synergistic effect.
More than two test examples explanation, the composite best proportioning (3: 1) of fluazifop-p-butyl and pyrithiobac-sodium is remarkable to annual gramineaes such as the common lady's-grass in cotton field, barnyard grass grass, eleusine indica, kitchen garden, lamb's-quarters, acalypha copperleaf and broad leaved weed preventive effect, weeds strain preventive effect and fresh weight preventive effect are all more than 93%, lasting period is more than one month, basic controlling the crop smothering of cotton whole growth phase.And at fluazifop-p-butyl: pyrithiobac-sodium=1～8: in 1～3 scope, annual gramineae and the broad leaved weed common to the cotton field all have good preventive effect.
Though above the present invention is described in detail with a general description of the specific embodiments, on basis of the present invention, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, these modifications or improvements all belong to the scope of protection of present invention without departing from theon the basis of the spirit of the present invention.
Claims (6)
1, a kind of Herbicidal combinations that contains fluazifop-p-butyl and pyrithiobac-sodium is characterized in that by fluazifop-p-butyl and pyrithiobac-sodium as active component, the mass ratio of active component is a fluazifop-p-butyl: pyrithiobac-sodium=1～8: 1～3.
2, according to 1 described Herbicidal combinations of claim, the mass ratio that it is characterized in that fluazifop-p-butyl and pyrithiobac-sodium is 3: 1.
3,, it is characterized in that the mass percent of active component in herbicidal composition is 6～90% according to 1 described Herbicidal combinations of claim.
4, Herbicidal combinations according to claim 3 is characterized in that the mass percent of active component in herbicidal composition is 40%.
5, Herbicidal combinations according to claim 1 is characterized in that being missible oil, wetting powder, soluble powder, water dispersible granules, suspension emulsion or curing missible oil.
6, Herbicidal combinations according to claim 5 is characterized in that for solidifying missible oil.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101971808A (en) * | 2010-07-15 | 2011-02-16 | 湖北奥士特奥农药产品研发有限公司 | Binary herbicide prepared by compounding oxyfluorfen with fluazifop-butyl and preparation method thereof |
| CN106135217A (en) * | 2015-04-24 | 2016-11-23 | 江苏龙灯化学有限公司 | A kind of Herbicidal combinations |
-
2008
- 2008-07-02 CN CN200810017170A patent/CN101617656A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101971808A (en) * | 2010-07-15 | 2011-02-16 | 湖北奥士特奥农药产品研发有限公司 | Binary herbicide prepared by compounding oxyfluorfen with fluazifop-butyl and preparation method thereof |
| CN106135217A (en) * | 2015-04-24 | 2016-11-23 | 江苏龙灯化学有限公司 | A kind of Herbicidal combinations |
| CN106135217B (en) * | 2015-04-24 | 2019-07-23 | 江苏龙灯化学有限公司 | A kind of Herbicidal combinations |
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Application publication date: 20100106 |