CN103125514B - Wheat paddock weeding composition containing sulfosulfuron and flucarbazone - Google Patents
Wheat paddock weeding composition containing sulfosulfuron and flucarbazone Download PDFInfo
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- CN103125514B CN103125514B CN201310083539.3A CN201310083539A CN103125514B CN 103125514 B CN103125514 B CN 103125514B CN 201310083539 A CN201310083539 A CN 201310083539A CN 103125514 B CN103125514 B CN 103125514B
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Abstract
The invention discloses a wheat paddock weeding composition containing sulfosulfuron and flucarbazone. The active ingredients of the wheat paddock weeding composition are sulfosulfuron and flucarbazone respectively, wherein the weight ratio of the sulfosulfuron to the flucarbazone is 1:10-10:1, and the wheat paddock weeding composition can be prepared into agriculturally allowable water dispersible granule, wettable powder, a suspending agent and a dispersible oil suspending agent. The wheat paddock weeding composition disclosed by the invention is reasonable in components, good in weeding effect and low in medication cost, and activity and weeding effect of the wheat paddock weeding composition are not simple addition of the activity and weeding effect of each component; and compared with the existing single preparation, the wheat paddock weeding composition disclosed by the invention has an obvious synergistic effect besides an obvious weeding effect, is good in safety, accords with safety requirements of pesticide preparation and has higher weeding activity to wheat paddock weeds.
Description
Technical field
The present invention relates to a kind of Wheat field weeding composition, active component is Sulfosulfuron and flucarbazone, belongs to technical field of compounded pesticide.
Background technology
Sulfosulfuron, English common name Sulfosulfuron, chemical name: 1-(4,6-SDM-2-yl)-3[(2-ethylsulfonyl-imidazoles [1,2-a] pyridine) sulfonyl] urea.Sulfosulfuron belongs to sulfonylurea weed killer herbicide, optionally controls the multiple weeds of wheatland, annual gramineous weed and broad leaved weed is had to the effect of well preventing and kill off, as wild oat, annual bluegrass, knotweed, amur foxtail, clearvers etc.
Flucarbazone, has another name called young tiger tiger, English name: Flucarbazone-Na, chemical name: 1H-1,2,4-triazole-1-carbamyl-4,5-2H-3-methoxyl group-4-methyl-5-O-N-[[2-(trifluoro methoxy) benzene] sulphonyl]-sodium salt.Flucarbazone is the efficient wheat paddock weed killer herbicide of sulfonylurea internal-suction type, and its active ingredient can be absorbed by the root of weeds and cauline leaf, by suppressing the activity of acetolactate synthestase in weeds body, destroys the normal Physiological and Biochemical Metabolism of weeds and brings into play activity of weeding.The grassy weeds such as bromegrass, wild oat are had to obvious preventive effect, multiple broadleaf weed is had to control action.
3.5 hundred million mu of wheat areas are planted throughout the year by China, are only second to paddy rice.Wheat, from after planting endangered by various weeds to results, mainly contains amur foxtail, Alopecurus, Wang grass, careless, the hard grass of caput, annual bluegrass, candle grass, wild oat, bromegrass, common sow thistle, annual fleabane herb, field thistle, chickweed, ox chickweed, Siberian cocklebur, corn gromwell, common vetch, hairy tare, shepherd's purse, Veronica etc.Chemical control wheat weeds is the most effective means.Wheat weeds often mixes generation at present, but does not also have a kind of weed killer herbicide can solve all problems, and a kind of herbicidal effect of urgent need invention is good, drug cost is low, the weed killer herbicide of safety nuisance free.
Summary of the invention
The object of the present invention is to provide a kind of component reasonable, synergistic effect is remarkable, and herbicidal effect is good, and drug cost is low, the Wheat field weeding composition to crop safety.
Another object of the present invention is to provide the application of above-mentioned composition on eliminating weed in wheat field.
In order to overcome the defect of existing unitary agent, technical scheme of the present invention is to solve like this:
Containing a Wheat field weeding composition for Sulfosulfuron and flucarbazone, Herbicidal combinations active component is Sulfosulfuron and flucarbazone, and the weight ratio of Sulfosulfuron and flucarbazone is 1:10～10:1, and preferred weight ratio is 1:5～5:1.
In above-mentioned Wheat field weeding composition, the content sum of Sulfosulfuron and flucarbazone is described composition total weight 5%～80%, is preferably 10%～70%.
The preparation formulation that the present invention can prepare according to method known in those skilled in the art containing the Wheat field weeding composition of Sulfosulfuron and flucarbazone is water dispersible granules, wetting powder, suspending agent, dispersibles oil-suspending agent.
For water dispersible granules, those skilled in the art are familiar with the corresponding auxiliary agent of use and complete the present invention very much.Dispersant as in polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate one or more; Wetting agent as in alkyl sulfate, alkylsulfonate, naphthalene sulfonate one or more; Disintegrant as in ammonium sulfate, urea, sucrose, glucose one or more; Binding agent is as one or more in diatomite, corn starch, PVA, carboxymethyl (ethyl) cellulose family; Safener cloquitocet_mexyl; Filler as diatomite, kaolin, white carbon, fine particle calcium carbonate, talcum powder, attapulgite, potter's clay one or more.
To wetting powder, spendable auxiliary agent has: dispersant as in polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate one or more; Wetting agent as in alkyl sulfate, alkylsulfonate, naphthalene sulfonate one or more; Safener cloquitocet_mexyl; Filler as ammonium sulfate, urea, sucrose, glucose, diatomite, kaolin, white carbon, fine particle calcium carbonate, talcum powder, attapulgite, potter's clay one or more.
To suspending agent, spendable auxiliary agent has: dispersant is produced as polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate (dispersing agent NNO), TERSPERSE 2020(U.S. Huntsman Corporation, alkyl naphthalene sulfonic acid salt) in one or more; Polyoxyethylene sorbitan stearate), agriculture breast 1601#(common name Span60), Tween-60 #(common name alkyl phenol formaldehyde resin polyoxyethylene ether), agriculture breast 2201, this dish-60#(common name emulsifier is as Nongru-700 #(common name:::: triphen ethyl-phenol polyoxyethylene polyoxypropylene block polymer), TERSPERSE 4894(U.S. Huntsman Corporation produces) in one or more; Wetting agent is produced as alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, alkylphenol-polyethenoxy base ether phosphate, phenethyl phenol polyethenoxy base ether phosphate, alkyl sulfate, alkylsulfonate, naphthalene sulfonate, TERSPERSE 2500(U.S. Huntsman Corporation) in one or more; Thickener as in xanthans, polyvinyl alcohol, bentonite, aluminium-magnesium silicate one or more; Preservative as in formaldehyde, benzoic acid, Sodium Benzoate one or more; Safener cloquitocet_mexyl; Defoamer is as organic silicon defoamer; Antifreezing agent as ethylene glycol, propane diols, glycerine, urea, inorganic salts as in sodium chloride one or more; Water is deionized water.
To dispersibling oil-suspending agent, spendable auxiliary agent has: dispersant is produced as polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate (dispersing agent NNO), the HUNTSMAN of TERSPERSE 2020(U.S. Huntsman Corporation, alkyl naphthalene sulfonic acid salt) in one or more; Emulsifier is as BY(castor oil polyoxyethylene ether) serial emulsifier (BY-110, BY-125, BY-140), Nongru-700 #, agriculture breast 2201, this dish-60#(common name: sorbitan monostearate), Tween-60 #(common name: sorbitan monostearate APEO), agriculture breast 1601#(common name: one or more phenethyl phenol polyoxyethylene poly-oxygen propylene aether), in TERSPERSE 4894; Wetting agent as in alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, alkylphenol polyoxyethylene phosphate, phenethyl phenol polyethenoxy base ether phosphate, alkyl sulfate, alkylsulfonate, naphthalene sulfonate, TERSPERSE 2500 one or more; Thickener as in white carbon, polyvinyl alcohol, bentonite, aluminium-magnesium silicate one or more; Antifreezing agent as ethylene glycol, propane diols, glycerine, urea, inorganic salts as in sodium chloride one or more; Dispersion medium as in soybean oil, rapeseed oil, corn oil, methyl oleate, diesel oil, machine oil, mineral oil one or more.
Though Sulfosulfuron and flucarbazone belong to sulfonylurea herbicide; but widely different on control weeds of wheat; there is high selectivity; Sulfosulfuron has good preventive effect to the most of weeds of wheat paddock; but the bromegrass preventive effect to North China, the serious generation in East China is poor; flucarbazone is to bromegrass, wild oat special efficacy, but poor to amur foxtail, Alopecurus, Wang grass, careless, the hard grass of caput, annual bluegrass and broadleaved herb effect.Inventor is through a large amount of lab screenings and field control effectiveness test, after finding that Sulfosulfuron and flucarbazone are mixed, good to wheatland main weeds group preventive effect, have obvious synergistic effect, can reduce use cost, high to crop safety.
Component of the present invention is reasonable, and the activity that preventive effect is better than each component while using separately, has synergistic effect, expands control of weeds spectrum, reduces spraying times, reduces cost accounting, good to crop safety, meets the security requirement of pesticidal preparations.The present invention has good control efficiency to all kinds of weeds between wheat paddock.
Embodiment
Below by Toxicity Determination, the synergistic effect that Sulfosulfuron and flucarbazone are mixed to weeds of wheat is described.
For eliminating weed in wheat field, inventor has carried out mutual composite synergy research with active component Sulfosulfuron and flucarbazone, and concrete grammar is: subjects is respectively amur foxtail, the bromegrass of grassy weed, the ox chickweed of broadleaved herb, clearvers.Former medicine is mixed with to the test medicine needing, test method is with reference to < < People's Republic of China's agricultural industry criteria NY/T1155.7-2006 farm-chemical indoor determination test rule weed killer herbicide the 7th part: > > is measured in the synergy being mixed.First single dose and each Mixed Pharmacy are arranged to 5 variable concentrations gradients (on the basis of preliminary experiment result, different according to medicament proportioning, concentration gradient setting is also different, and the rate of preventing and kill off is set by geometric progression in 5%～90% scope).If clear water contrast, repeats 4 times.Spray-on process after employing seedling, get ready in advance for examination weeds seedling and (by 50 weed seeds of every alms bowl, be sowed in test basin alms bowl, by the time grow to fixed 40 strains of every alms bowl during the phase of 3 leaves), the medicament having diluted is evenly sprayed onto on weeds plant with laryngeal spray, to be evenly thoughtfully as the criterion, after insert greenhouse and normally cultivate, process the rear preventive effect of calculating each chemicals treatment for 21 days by ocular estimate, by the linear regression analysis between the probit value of preventive effect and the logarithm value of series concentration, obtain the ED of each medicament
50value, with the co-toxicity coefficient (CTC) of the abundant method calculating of Sun Yun mixture, evaluates the activity of reagent agent to weeds with this.
The co-toxicity coefficient of complex preparation (CTC) >=120 shows as synergistic effect; CTC≤80 show as antagonism; 80 < CTC < 120 show as summation action.
Toxicity Determination result shows: Sulfosulfuron be take weight ratio has good virulence as 1:10～10:1 is mixed to amur foxtail, bromegrass, ox chickweed, clearvers with flucarbazone; all have good synergistic effect, especially take weight ratio as 1:5～5:1 synergy the most remarkable.
Below in conjunction with embodiment, the invention will be further described.
FORMULATION EXAMPLE 1
Take 10% Sulfosulfuron, 70% flucarbazone, 2% TERSPERSE 2700,2% dispersing agent NNO (alkylnaphthalene sulfonate formaldehyde condensation products), 1% Nekal BX (nekal), 1% K-12(lauryl sodium sulfate), 1% carboxymethyl cellulose, diatomite add to 100% weight portion.The method of the frequent regulation of above-mentioned raw materials water intaking dispersible granule mixes, ultra micro air-flow crushing, mixing, granulation step are produced 80% Sulfosulfuron flucarbazone water dispersible granules.
FORMULATION EXAMPLE 2
Take 25% Sulfosulfuron, 25% flucarbazone, 4% TERSPERSE 2700(polycarboxylate, U.S. Huntsman Corporation produces), 2% dispersing agent NNO, 2% Nekal BX, 2%K-12,3% corn starch, 5% sulphur ammonium, attapulgite add to 100% weight portion.The method of the frequent regulation of above-mentioned raw materials water intaking dispersible granule mixes, ultra micro air-flow crushing, mixing, granulation step are produced 50% Sulfosulfuron flucarbazone water dispersible granules.
FORMULATION EXAMPLE 3
Take 6% Sulfosulfuron, 60% flucarbazone, 4% calcium lignosulfonate, 3% TERSPERSE 2700,2% Nekal BX, 2%K-12,3% White Carbon black, fine particle calcium carbonate and add to 100% weight portion.Above-mentioned raw materials, through mixing, makes 66% Sulfosulfuron flucarbazone wetting powder after air-flow crushing.
FORMULATION EXAMPLE 4
Take 5% Sulfosulfuron, 30% flucarbazone, 5% calcium lignosulfonate, 2% Nekal BX, 2%K-12,5% White Carbon black, kaolin and add to 100% weight portion.Above-mentioned raw materials, through mixing, makes 35% Sulfosulfuron flucarbazone wetting powder after air-flow crushing.
FORMULATION EXAMPLE 5
Take 2.5% Sulfosulfuron, 7.5% flucarbazone, 4%TERSPERSE 4894,1.5%TERSPERSE 2500,2% TERSPERSE 2020(U.S. Huntsman Corporation produces), 1% aluminium-magnesium silicate, 0.2% xanthans, 5% ethylene glycol, 0.5% formaldehyde, 0.5% silicone defoaming agent (trade name: s-29 Nanjing "four news" (new ideas applied chemistry product company produces), deionized water add to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, with making 10% Sulfosulfuron flucarbazone suspending agent after sand mill sand milling.
FORMULATION EXAMPLE 6
Take 50% Sulfosulfuron, 5% flucarbazone, 5%TERSPERSE 4894,2%TERSPERSE 2500,3%TERSPERSE 2020,0.2% xanthans, 5% propane diols, 0.5% benzoic acid, 0.5% silicone defoaming agent, deionized water and add to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, with making 55% Sulfosulfuron flucarbazone suspending agent after sand mill sand milling.
FORMULATION EXAMPLE 7
Take 10% Sulfosulfuron, 20% flucarbazone, 2%TERSPERSE 2020,4% this dish-60#, 3% Tween-60 #, 4% agriculture breast 2201#, 3% Nongru-700 #, 1%TERSPERSE 2500,0.5% white carbon, 5% propane diols, methyl oleate adds to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, with making 30% Sulfosulfuron flucarbazone after sand mill sand milling, dispersibles oil-suspending agent.
FORMULATION EXAMPLE 8
Take 24% Sulfosulfuron, 8% flucarbazone, 2% dispersing agent NNO, 3% agriculture breast 2201#, 10% BY-110,1%TERSPERSE 2500,1% aluminium-magnesium silicate, 3% glycerine, soybean oil adds to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, with making 32% Sulfosulfuron flucarbazone after sand mill sand milling, dispersibles oil-suspending agent.
Biological Examples eliminating weed in wheat field field control effectiveness test
Inventor in March 5 in 2012 Mei County, Shaanxi Province carried out FORMULATION EXAMPLE 2(50% Sulfosulfuron flucarbazone water dispersible granules) eliminating weed in wheat field field control effectiveness test, experimental field pH value 7.1, fertility is better-than-average, soil property is clay, front stubble is corn.Sowing on October 20th, 2011, sowing quantity is 15kg/667 ㎡, seeding method is drilling.During test, wheat growth stage, in the tiller-shooting stage, is tillered for the gramineous grass 2-3 such as amur foxtail, bromegrass, the broad leaved weed 4-6 sheet leaves such as shepherd's purse, clearvers.Test medicine and dosage refer to table 5.Take spray clear water as contrast (CK).Repeat for 4 times, random district group is arranged, community area 20 ㎡.Adopting hand-powered knapsack sprayer to carry out cauline leaf spraying, is 30kg/667 ㎡ by amount of liquid medicine.
Investigation and statistical method:
After medicine 7,14,21d observes the growing state of wheat seedling in each community.30d after medicine, every community is got 4 points at random, every 0.25 ㎡, weeds strain number in point is recorded in investigation, and calculates preventive effect.
Preventive effect (%)=(blank district number of weeds-treatment region number of weeds)/number of weeds * 100, blank district.
Test results and analysis: after medicine 7,14,21d observes, and all do not find that the dead seedling of wheat, blade yellow, growth are subject to the poisoning phenomenons such as stagnant in each community.50% Sulfosulfuron flucarbazone water dispersible granules is pressed 5g/667 ㎡, 4g/667 ㎡, 3g/667 ㎡ consumption; carrying out cauline leaf spraying processes; after medicine, 30 days is 99.3%, 95.1%, 92.8% to the average preventive effect of wheat paddock grassy weed; to the average preventive effect of broad leaved weed, be 95.9%, 93.9%, 91.0%; obviously be better than 75% Sulfosulfuron water dispersible granules 3g/667 ㎡, 70% flucarbazone water dispersible granules 4g/667 ㎡ (in Table 5), suggestion 50% Sulfosulfuron flucarbazone water dispersible granules consumption 4-5g/667 ㎡ is advisable.
After result of the test shows that Sulfosulfuron and flucarbazone are mixed; improved the preventive effect to wheat weeds; there is obvious synergistic effect; solved the problem that China's wheat main producing region resistant weed is difficult to prevent and kill off; saved drug cost simultaneously; and to wheat safety, therefore produce and have wide practical use.
In sum, composition of the present invention is to adopt two kinds of active component compound schemes, its activity and herbicidal effect are not the simple superposition of each composition activity, compare with existing unitary agent, except having significant herbicidal effect, and have significant synergistic effect, preparation less residue, pollution-free to crop, safety is good, meets the security requirement of pesticidal preparations.
Claims (7)
1. containing a Wheat field weeding composition for Sulfosulfuron and flucarbazone, it is characterized in that: Herbicidal combinations active component is Sulfosulfuron and flucarbazone, and the weight ratio of Sulfosulfuron and flucarbazone is 1:10～10:1.
2. according to claim 1 containing the Wheat field weeding composition of Sulfosulfuron and flucarbazone, it is characterized in that: the weight ratio of Sulfosulfuron and flucarbazone is 1:5～5:1.
3. according to claim 1 containing the Wheat field weeding composition of Sulfosulfuron and flucarbazone, it is characterized in that: the content sum of Sulfosulfuron and flucarbazone is described composition total weight 5%～80%.
4. according to claim 3 containing the Wheat field weeding composition of Sulfosulfuron and flucarbazone, it is characterized in that: the content sum of Sulfosulfuron and flucarbazone is described composition total weight 10%～70%.
5. according to claim 1 containing the Wheat field weeding composition of Sulfosulfuron and flucarbazone, it is characterized in that: described combination dosage form is water dispersible granules, wetting powder, suspending agent, dispersibles oil-suspending agent.
6. the application in control weeds of wheat containing the Wheat field weeding composition of Sulfosulfuron and flucarbazone described in claim 1.
7. application according to claim 6, described weeds of wheat is amur foxtail, bromegrass, ox chickweed, clearvers or shepherd's purse.
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| CN103535344B (en) * | 2013-09-22 | 2015-12-09 | 南通嘉禾化工有限公司 | The Sulfosulfuron suspending agent of weeding |
| CN103749511B (en) * | 2013-12-26 | 2016-10-05 | 广东中迅农科股份有限公司 | A kind of containing flucarbazone with the Herbicidal combinations of monosulfmeturon |
| CN103960273B (en) * | 2014-04-06 | 2016-10-05 | 广东中迅农科股份有限公司 | A kind of containing flucarbazone with the Herbicidal combinations of AC322140 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1060385A (en) * | 1990-09-26 | 1992-04-22 | 武田药品工业株式会社 | Weed killer herbicide |
| US5534486A (en) * | 1991-04-04 | 1996-07-09 | Bayer Aktiengesellschaft | Herbicidal sulphonylaminocarbonyl triazolinones having substituents bonded via oxygen |
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2013
- 2013-03-17 CN CN201310083539.3A patent/CN103125514B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1060385A (en) * | 1990-09-26 | 1992-04-22 | 武田药品工业株式会社 | Weed killer herbicide |
| US5534486A (en) * | 1991-04-04 | 1996-07-09 | Bayer Aktiengesellschaft | Herbicidal sulphonylaminocarbonyl triazolinones having substituents bonded via oxygen |
Non-Patent Citations (4)
| Title |
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| 刘宝胜等.浅析磺酰脲类除草剂的发展及未来.《农药科学与管理》.2006,第25卷(第10期),46-48. |
| 台文俊等.等效线法评价氟唑磺隆与苯磺隆相互作用关系.《农药》.2008,第47卷(第02期),136-137. |
| 浅析磺酰脲类除草剂的发展及未来;刘宝胜等;《农药科学与管理》;20061025;第25卷(第10期);46-48 * |
| 等效线法评价氟唑磺隆与苯磺隆相互作用关系;台文俊等;《农药》;20080210;第47卷(第02期);136-137 * |
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