CN103125514A - Wheat paddock weeding composition containing sulfosulfuron and flucarbazone - Google Patents
Wheat paddock weeding composition containing sulfosulfuron and flucarbazone Download PDFInfo
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- CN103125514A CN103125514A CN2013100835393A CN201310083539A CN103125514A CN 103125514 A CN103125514 A CN 103125514A CN 2013100835393 A CN2013100835393 A CN 2013100835393A CN 201310083539 A CN201310083539 A CN 201310083539A CN 103125514 A CN103125514 A CN 103125514A
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- sulfosulfuron
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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-dimethoxy pyridine-2-yl)-3[(2-ethylsulfonyl-imidazoles [1,2-a] pyridine) sulfonyl] urea.Sulfosulfuron belongs to the sulfonylurea weed killer herbicide, optionally controls the multiple weeds of wheatland, annual gramineous weed and broad leaved weed is had 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 the 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 there is obvious preventive effect, multiple broadleaf weed is had control action.
3.5 hundred million mu of wheat areas are planted throughout the year by China, are only second to paddy rice.Wheat is from after planting being endangered by various weeds often to results, mainly contain that amur foxtail, Alopecurus, Wang grass, caput are careless, hard grass, 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.The 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, to the Wheat field weeding composition of 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 defective of existing unitary agent, technical scheme of the present invention is to solve like this:
A kind of Wheat field weeding composition that contains Sulfosulfuron and flucarbazone, Herbicidal combinations active component are 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 5%～80% of described composition total weight, is preferably 10%～70%.
But it is water dispersible granules, wetting powder, suspending agent dispersed oil suspending agent that the present invention contains the preparation formulation that the Wheat field weeding composition of Sulfosulfuron and flucarbazone can prepare according to method known in those skilled in the art.
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.In dispersant such as polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate one or more; In wetting agent such as alkyl sulfate, alkylsulfonate, naphthalene sulfonate one or more; In disintegrant such as ammonium sulfate, urea, sucrose, glucose one or more; One or more in binding agent such as diatomite, corn starch, PVA, carboxymethyl (ethyl) cellulose family; The safener cloquitocet_mexyl; Filler such 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: in dispersant such as polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate one or more; In wetting agent such as alkyl sulfate, alkylsulfonate, naphthalene sulfonate one or more; The safener cloquitocet_mexyl; Filler such 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 such as polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate (dispersing agent NNO), TERSPERSE 2020(U.S. Huntsman Corporation produces, the alkyl naphthalene sulfonic acid salt) in one or more; The 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 such 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 such 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 produces) in one or more; In thickener such as xanthans, polyvinyl alcohol, bentonite, aluminium-magnesium silicate one or more; In preservative such as formaldehyde, benzoic acid, Sodium Benzoate one or more; The safener cloquitocet_mexyl; Defoamer such as organic silicon defoamer; In antifreezing agent such as ethylene glycol, propane diols, glycerine, urea, inorganic salts such as sodium chloride one or more; Water is deionized water.
But to the dispersed oil suspending agent, spendable auxiliary agent has: the HUNTSMAN of dispersant such as polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate (dispersing agent NNO), TERSPERSE 2020(U.S. Huntsman Corporation produces, the alkyl naphthalene sulfonic acid salt) in one or more; Emulsifier such 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: the sorbitan monostearate APEO), agriculture breast 1601#(common name: phenethyl phenol polyoxyethylene poly-oxygen propylene aether), one or more in TERSPERSE 4894; In wetting agent such as 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; In thickener such as white carbon, polyvinyl alcohol, bentonite, aluminium-magnesium silicate one or more; In antifreezing agent such as ethylene glycol, propane diols, glycerine, urea, inorganic salts such as sodium chloride one or more; In dispersion medium such as 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 the control weeds of wheat; high selectivity is arranged; 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, hard grass careless to amur foxtail, Alopecurus, Wang grass, caput, annual bluegrass and broadleaved herb effect are relatively poor.The inventor is through a large amount of lab screenings and field control effectiveness test, and is good to wheatland main weeds group preventive effect, have obvious synergistic effect after finding that Sulfosulfuron and flucarbazone are mixed, and 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 when using separately has synergistic effect, enlarges the control of weeds spectrum, reduces spraying times, reduces cost accounting, and is good to crop safety, meets the security requirement of pesticidal preparations.The present invention has control efficiency preferably to all kinds of weeds between wheat paddock.
Embodiment
Illustrate that below by Toxicity Determination Sulfosulfuron and flucarbazone are mixed to the synergistic effect of weeds of wheat.
For eliminating weed in wheat field, the 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 the test medicine that needs, test method is with reference to " the agricultural industry criteria NY/T1155.7-2006 of People's Republic of China (PRC) farm-chemical indoor determination test rule weed killer herbicide the 7th part: the synergy that is mixed is measured ".At first single dose and each Mixed Pharmacy are arranged 5 variable concentrations gradients (on the basis of preliminary experiment result, different according to the medicament proportioning, the concentration gradient setting is also different, and the rate of preventing and kill off is set by geometric progression) in 5%～90% scope.If the clear water contrast repeats 4 times.Spray-on process after the employing seedling, get ready in advance for examination weeds seedling and (be sowed in test basin alms bowl by 50 weed seeds of every alms bowl, by the time grow to fixed 40 strains of every alms bowl during the phase of 3 leaves), the medicament that dilution is good evenly is sprayed onto on the weeds plant with laryngeal spray, evenly thoughtfully being as the criterion, after insert the greenhouse and normally cultivate, process the rear preventive effect of calculating each chemicals treatment in 21 days with ocular estimate, the ED of each medicament is obtained in linear regression analysis between probit value by preventive effect and the logarithm value of series concentration
50Value with the co-toxicity coefficient (CTC) of the abundant method calculating of Sun Yun mixture, is estimated reagent agent to the activity of 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.
The Toxicity Determination result shows: Sulfosulfuron has virulence preferably with flucarbazone is mixed take weight ratio as 1:10～10:1 to amur foxtail, bromegrass, ox chickweed, clearvers; synergistic effect is preferably all arranged, especially take weight ratio as 1:5～5:1 synergy is the most remarkable.
The invention will be further described below in conjunction with embodiment.
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 is namely mixed, 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 is namely mixed, 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 makes 66% Sulfosulfuron flucarbazone wetting powder through mixing 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 makes 35% Sulfosulfuron flucarbazone wetting powder through mixing 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 the 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 the 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, but with making 30% Sulfosulfuron flucarbazone dispersed oil suspending agent after the sand mill sand milling.
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, but with making 32% Sulfosulfuron flucarbazone dispersed oil suspending agent after the sand mill sand milling.
Biological Examples eliminating weed in wheat field field control effectiveness test
The inventor has carried out FORMULATION EXAMPLE 2(50% Sulfosulfuron flucarbazone water dispersible granules in the Mei County, Shaanxi Province on March 5th, 2012) the eliminating weed in wheat field field control effectiveness test, experimental field pH value 7.1, fertility is better-than-average, and soil property is clay, and front stubble is corn.Sowing on October 20th, 2011, sowing quantity is 15kg/667 ㎡, seeding method is drilling.During test, wheat growth stage is in and tillers-shooting stage, tiller for the gramineous grass 2-3 such as amur foxtail, bromegrass, and the broad leaved weed 4-6 sheet leaves such as shepherd's purse, clearvers.Test medicine and dosage see table 5 for details.Take the spray clear water as contrast (CK).Repeat for 4 times, random district group is arranged, residential quarter area 20 ㎡.Adopting hand-powered knapsack sprayer to carry out the cauline leaf spraying, is 30kg/667 ㎡ with amount of liquid medicine.
Investigation and statistical method:
After medicine 7,14,21d observes the growing state of wheat seedling in each residential quarter.30d after medicine, every residential quarter is got 4 points at random, every 0.25 ㎡, weeds strain number in investigation record point, and calculate preventive effect.
Preventive effect (%)=(blank district number of weeds-treatment region number of weeds)/blank district number of weeds * 100.
Test results and analysis: after medicine 7,14,21d observes, and do not find all in each residential quarter that the dead seedling of wheat, blade yellow, growth are subjected to the poisoning phenomenons such as stagnant.50% Sulfosulfuron flucarbazone water dispersible granules is pressed 5g/667 ㎡, 4g/667 ㎡, 3g/667 ㎡ consumption; carrying out the cauline leaf spraying processes; 30 days is 99.3%, 95.1%, 92.8% to the average preventive effect of wheat paddock grassy weed after medicine; be 95.9%, 93.9%, 91.0% to the average preventive effect of broad leaved weed; obviously be better than 75% Sulfosulfuron water dispersible granules 3g/667 ㎡, 70% flucarbazone water dispersible granules 4g/667 ㎡ (seeing 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; has obvious synergistic effect; solved the problem that China wheat main producing region resistant weed is difficult to prevent and kill off; saved simultaneously drug cost; and to wheat safety, therefore have wide practical use in production.
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 significant synergistic effect is arranged, the preparation less residue, pollution-free to crop, safety is good, meets the security requirement of pesticidal preparations.
Claims (7)
1. Wheat field weeding composition that contains Sulfosulfuron and flucarbazone, it is characterized in that: the Herbicidal combinations active component is Sulfosulfuron and flucarbazone, and the weight ratio of Sulfosulfuron and flucarbazone is 1:10～10:1.
2. contain according to claim 1 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. contain according to claim 1 the Wheat field weeding composition of Sulfosulfuron and flucarbazone, it is characterized in that: the content sum of Sulfosulfuron and flucarbazone is 5%～80% of described composition total weight.
4. contain according to claim 3 the Wheat field weeding composition of Sulfosulfuron and flucarbazone, it is characterized in that: the content sum of Sulfosulfuron and flucarbazone is 10%～70% of described composition total weight.
5. contain according to claim 1 the Wheat field weeding composition of Sulfosulfuron and flucarbazone, it is characterized in that: but described combination dosage form is water dispersible granules, wetting powder, suspending agent dispersed oil suspending agent.
6. the described application of Wheat field weeding composition in the control weeds of wheat that contains Sulfosulfuron and flucarbazone of claim 1.
7. use according to claim 6, described weeds of wheat is amur foxtail, bromegrass, ox chickweed, clearvers or shepherd's purse.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103535344A (en) * | 2013-09-22 | 2014-01-29 | 南通嘉禾化工有限公司 | Sulfosulfuron suspension for weed control |
| CN103749511A (en) * | 2013-12-26 | 2014-04-30 | 广东中迅农科股份有限公司 | Weeding composition containing flucarbazone and monosulfuron |
| CN103960273A (en) * | 2014-04-06 | 2014-08-06 | 广东中迅农科股份有限公司 | Herbicide composition containing flucarbazone-sodiumand fcyclosulfamuron |
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| 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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| 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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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103535344A (en) * | 2013-09-22 | 2014-01-29 | 南通嘉禾化工有限公司 | Sulfosulfuron suspension for weed control |
| CN103749511A (en) * | 2013-12-26 | 2014-04-30 | 广东中迅农科股份有限公司 | Weeding composition containing flucarbazone and monosulfuron |
| 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 |
| CN103960273A (en) * | 2014-04-06 | 2014-08-06 | 广东中迅农科股份有限公司 | Herbicide composition containing flucarbazone-sodiumand fcyclosulfamuron |
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| CN103125514B (en) | 2014-03-19 |
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