CN102771492B - Herbicide composition containing sulfosulfuron and clodinafop-propargyl - Google Patents
Herbicide composition containing sulfosulfuron and clodinafop-propargyl Download PDFInfo
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- CN102771492B CN102771492B CN201210318406.5A CN201210318406A CN102771492B CN 102771492 B CN102771492 B CN 102771492B CN 201210318406 A CN201210318406 A CN 201210318406A CN 102771492 B CN102771492 B CN 102771492B
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Abstract
The invention discloses an herbicide composition containing sulfosulfuron and clodinafop-propargyl. The herbicide composition comprises a first active ingredient of sulfosulfuron and a second active ingredient of clodinafop-propargyl, wherein the mass ratio of the first active ingredient to the second active ingredient is (1:15)-(10:1). The composition can be prepared into agriculturally allowed water dispersible granules, wettable powder, missible oil and suspension. The herbicide composition is reasonable in component, good in herbicide effect and low in dosage cost, the activity and the herbicide effect are not simply superposed by the activities of the components, and compared with the existing single preparation, the herbicide composition has the advantages of being obvious in herbicide effect, obvious in synergistic effect and high in safety, meeting the safety requirement of the pesticide preparation, and achieving high herbicide activity on the weeds in a wheat paddock.
Description
Technical field
The present invention relates to a kind of herbicidal composition, particularly a kind of Sulfosulfuron is as the first active component, and clodinafop-propargyl, as the herbicidal composition of the second active component, 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, and annual gramineous weed and broad leaved weed are had to the effect of well preventing and kill off.
Clodinafop-propargyl, has another name called alkynes oxalic acid, English name: Clodinafop-propargyl, chemical name: R-2-[4-(the fluoro-2-pyridine of the chloro-3-of 5-oxygen base)-phenoxy group]-propionic acid propargyl ester.Be mainly used in the cornfield gramineae weeds such as Control Wild oat, amur foxtail, oat, perennial ryegrass, rough stalked blue grass, green foxtail.
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, caput grass, 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, Hairy Bittercress, Veronica, Carolina Cranesbill Herb etc.Be subject to the Effects of Factors such as buried depth in soil of temperature, rainfall, soil property, weed seed and cropping system, wheat weeds group and that quantity difference between interzone, field occurs is large.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 herbicidal composition of crop safety.
Another object of the present invention is to provide the application of said herbicidal composition in 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 herbicidal composition for Sulfosulfuron and clodinafop-propargyl, its effective active composition is:
A) the first active component is Sulfosulfuron;
B) the second active component is clodinafop-propargyl;
The weight ratio of the first active component and the second active component is that 1:15～10:1 is preferably 1:10～5:1, more preferably 1:5～1:1.
The cumulant of the first active component and the second active component is 5%～80% of described composition total weight, is preferably 8%～75%.
The preparation formulation that herbicide composition for wheat field of the present invention can be prepared according to method known in those skilled in the art is water dispersible granules, wetting powder, missible oil or 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.
For missible oil, those skilled in the art are familiar with the corresponding auxiliary agent of use and complete the present invention very much.Emulsifier is as calcium dodecyl benzene sulfonate (agriculture breast 500#), Nongru-700 #(common name: alkyl phenol formaldehyde resin polyoxyethylene ether), agriculture breast 2201#, this dish-60#(common name: Span60), Tween-60 #(common name: polyoxyethylene sorbitan stearate), TX-10(common name: octyl phenol polyoxy ethene (10) ether), agriculture breast 1601#(common name: triphen ethyl-phenol polyoxyethylene polyoxypropylene block polymer), agriculture breast 600#, in agriculture breast 400# one or more, safener cloquitocet_mexyl, solvent as in dimethylbenzene, toluene, solvent naphtha (S-150, S-180, S-200), toluene, methyl alcohol, dimethyl formamide, 1-METHYLPYRROLIDONE, cyclohexanone, acetone, dimethyl sulfoxide (DMSO) 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; Emulsifier is as Nongru-700 #(common name: alkyl phenol formaldehyde resin polyoxyethylene ether), agriculture breast 2201, this dish-60#(common name: Span60), Tween-60 #(common name: polyoxyethylene sorbitan stearate), agriculture breast 1601#(common name: triphen ethyl-phenol polyoxyethylene polyoxypropylene block polymer), one or more in TERSPERSE 4894; Wetting agent as in 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 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 #(common name: alkyl phenol formaldehyde resin polyoxyethylene ether), agriculture breast 2201, this dish-60#(common name: sorbitan monostearate), Tween-60 #(common name: sorbitan monostearate APEO), agriculture breast 1601#(common name: phenethyl phenol polyoxyethylene poly-oxygen propylene aether), one or more 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; Safener cloquitocet_mexyl; Dispersion medium as in soybean oil, rapeseed oil, corn oil, methyl oleate, diesel oil, machine oil, mineral oil one or more.
Clodinafop-propargyl is mainly used in preventing and treating cornfield gramineae weed, invalid to broadleaved herb, and has used for many years, and some grassy weeds have been produced to resistance as bromegrass, barnyard grass.Though Sulfosulfuron can be prevented and treated cornfield gramineae weed and broad leaved weed, also there is high selectivity, after listing, also there is resistance risk.Inventor is through a large amount of lab screenings and field control effectiveness test, finds after Sulfosulfuron and clodinafop-propargyl mixture, 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 to weeds of wheat after Sulfosulfuron and alkynes oxalic acid mixture is described.
For eliminating weed in wheat field, inventor has carried out mutual composite synergy research with Sulfosulfuron and alkynes oxalic acid, 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 of mixture.First single dose and each Mixed Pharmacy are arranged to 5 variable concentrations gradients (on the basis of preliminary experiment result, according to medicament proportioning difference, 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, fixed 40 strains of every alms bowl while by the time growing to for 3 leaf phase), 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 14 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 (CTC) >=120 of complex preparation shows as synergistic effect; CTC≤80 show as antagonism; 80 < CTC < 120 show as summation action.
Toxicity Determination result shows: Sulfosulfuron has good virulence as 1:15～10:1 is mixed to amur foxtail, bromegrass, ox chickweed, clearvers take weight ratio with clodinafop-propargyl; all there is good synergistic effect; especially the most remarkable as 1:10～5:1 synergy take weight ratio, when weight ratio is 1:20 and 15:1, be summation action.
Below in conjunction with example of formulations, content of the present invention is described further.
Example of formulations 1
Take 72% Sulfosulfuron, 8% clodinafop-propargyl, 2% TERSPERSE 2700(polycarboxylate, U.S. Huntsman Corporation produces), 2% dispersing agent NNO (alkylnaphthalene sulfonate formaldehyde condensation products), 1% Nekal BX (nekal), 1% K-12(lauryl sodium sulfate), 1% carboxymethyl cellulose, 2% cloquitocet_mexyl, 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 clodinafop-propargyl water dispersible granules.
Example of formulations 2
Take 40% Sulfosulfuron, 10% clodinafop-propargyl, 4% TERSPERSE 2700,2% dispersing agent NNO, 2% Nekal BX, 2%K-12,3% corn starch, 5% sulphur ammonium, 2.5% cloquitocet_mexyl, attapulgite and 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 clodinafop-propargyl water dispersible granules.
Example of formulations 3
Take 40% Sulfosulfuron, 4% clodinafop-propargyl, 4% calcium lignosulfonate, 3% TERSPERSE 2700,2% Nekal BX, 2%K-12,3% White Carbon black, 1% cloquitocet_mexyl, fine particle calcium carbonate and add to 100% weight portion.Above-mentioned raw materials, through mixing, makes 44% Sulfosulfuron clodinafop-propargyl wetting powder after air-flow crushing.
Example of formulations 4
Take 15% Sulfosulfuron, 15% clodinafop-propargyl, 5% calcium lignosulfonate, 2% Nekal BX, 2%K-12,5% White Carbon black, 4% cloquitocet_mexyl, kaolin and add to 100% weight portion.Above-mentioned raw materials, through mixing, makes 30% Sulfosulfuron clodinafop-propargyl wetting powder after air-flow crushing.
Example of formulations 5
Take 1.5% Sulfosulfuron, 22.5% clodinafop-propargyl, 4% agriculture breast 500#, 2% agriculture breast 600#, 3% agriculture breast 2201#, 2% dimethyl sulfoxide (DMSO), 6% cloquitocet_mexyl, dimethylbenzene adds to 100% weight portion.Above-mentioned raw materials, through mixing, makes 24% Sulfosulfuron clodinafop-propargyl missible oil after stirring and dissolving is complete.
Example of formulations 6
Take 2% Sulfosulfuron, 20% clodinafop-propargyl, 5% agriculture breast 500#, 2% agriculture breast 400#, 3% Nongru-700 #, 15% 1-METHYLPYRROLIDONE, 5% cloquitocet_mexyl, dimethylbenzene add to 100% weight portion.Above-mentioned raw materials, through mixing, makes 22% Sulfosulfuron clodinafop-propargyl missible oil after stirring and dissolving is complete.
Example of formulations 7
Take 10% Sulfosulfuron, 20% clodinafop-propargyl, 4% TERSPERSE 4894(U.S. Huntsman Corporation produces), 1.5% TERSPERSE 2500(U.S. Huntsman Corporation produces), 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), 5% cloquitocet_mexyl, deionized water add to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, with making 30% Sulfosulfuron clodinafop-propargyl suspending agent after sand mill sand milling.
Example of formulations 8
Take 20% Sulfosulfuron, 4% clodinafop-propargyl, 5%TERSPERSE 4894,2%TERSPERSE 2500,3%TERSPERSE 2020,0.2% xanthans, 5% propane diols, 0.5% benzoic acid, 0.5% silicone defoaming agent, 1% cloquitocet_mexyl, deionized water and add to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, with making 24% Sulfosulfuron clodinafop-propargyl suspending agent after sand mill sand milling.
Example of formulations 9
Take 3% Sulfosulfuron, 15% clodinafop-propargyl, 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, 3.8% cloquitocet_mexyl, methyl oleate adds to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, with making 18% Sulfosulfuron clodinafop-propargyl after sand mill sand milling, dispersibles oil-suspending agent.
Example of formulations 10
Take 15% Sulfosulfuron, 7.5% clodinafop-propargyl, 2% dispersing agent NNO, 3% agriculture breast 2201#, 10% BY-110,1%TERSPERSE 2500,1% aluminium-magnesium silicate, 3% glycerine, 2% cloquitocet_mexyl, soybean oil adds to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, with making 22.5% Sulfosulfuron clodinafop-propargyl after sand mill sand milling, dispersibles oil-suspending agent.
Biological Examples eliminating weed in wheat field field control effectiveness test
Inventor has carried out example of formulations 4(30% Sulfosulfuron clodinafop-propargyl wetting powder in capital town, Fengyang County on December 21st, 2011) eliminating weed in wheat field field control effectiveness test; experimental field pH value 6.5, fertility is better-than-average, and soil is paddy soil; soil property is yellowish soil, and front stubble is paddy rice.Sowing on October 20th, 2011, sowing quantity is 20kg/667 ㎡, and wheat breed is tobacco grower 19, and seeding method is drilling.During test, tiller for wheat 2-3, tiller for the gramineous grass 1-2 such as amur foxtail, wild oat, the broad leaved weed 3-5 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 ㎡.Adopt mark standing grain board electronic knapsack sprayer to carry out cauline leaf spraying, with amount of liquid medicine be 30kg/667 ㎡.
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.30% Sulfosulfuron clodinafop-propargyl wetting powder is pressed 10g/667 ㎡, 9g/667 ㎡, 8g/667 ㎡ consumption; carrying out cauline leaf spraying processes; wheat paddock grassy weed and broad leaved weed were all had to good preventive effect in 30 days after medicine; obviously be better than the preventive effect (in Table 5) of 75% Sulfosulfuron water dispersible granules 3g/667 ㎡, 15% clodinafop-propargyl 30g/667 ㎡ wetting powder, suggestion consumption 8-10g/667 ㎡ is advisable.
Result of the test shows, after Sulfosulfuron and clodinafop-propargyl mixture, to have improved the preventive effect to wheat weeds, has obvious synergistic effect; overcome clodinafop-propargyl herbicide and composed single defect; saved drug cost simultaneously, and to wheat safety, therefore produced 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, compared with existing unitary agent, except having significant herbicidal effect, and there is 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 herbicidal composition for Sulfosulfuron and clodinafop-propargyl, it is characterized in that in composition, effective active composition is:
A) the first active component is Sulfosulfuron;
B) the second active component is clodinafop-propargyl;
The weight ratio of the first active component and the second active component is 1:15～10:1.
2. according to claim 1 containing the herbicidal composition of Sulfosulfuron and clodinafop-propargyl, it is characterized in that: the weight ratio of the first active component and the second active component is 1:10～5:1.
3. according to claim 2 containing the herbicidal composition of Sulfosulfuron and clodinafop-propargyl, it is characterized in that: the weight ratio of the first active component and the second active component is 1:5～1:1.
4. according to one of any described herbicidal composition containing Sulfosulfuron and clodinafop-propargyl of claims 1 to 3, it is characterized in that: the cumulant of the first active component and the second active component is described composition total weight 5%～80%.
5. according to claim 4 containing the herbicidal composition of Sulfosulfuron and clodinafop-propargyl, it is characterized in that: the cumulant of the first active component and the second active component is described composition total weight 8%～75%.
6. according to claim 4 containing the herbicidal composition of Sulfosulfuron and clodinafop-propargyl, it is characterized in that: described combination dosage form is water dispersible granules, wetting powder, missible oil or suspending agent.
7. the application of one of any described herbicidal composition containing Sulfosulfuron and clodinafop-propargyl of claims 1 to 3 in control weeds of wheat.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4713109A (en) * | 1981-12-31 | 1987-12-15 | Ciba Geigy Corporation | 2-(4-(5-chloro-3-fluoropyridin-2-yloxy)phenoxy)-propionic acid-propynyl ester with herbicidal activity |
| CN1060385A (en) * | 1990-09-26 | 1992-04-22 | 武田药品工业株式会社 | Weed killer herbicide |
| CN101703062A (en) * | 2009-11-06 | 2010-05-12 | 扬州市苏灵农药化工有限公司 | Synergistic weedicide composition containing clodinafop-propargyl and tribenuron-methyl and preparation method thereof |
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| JP2001064110A (en) * | 1999-08-30 | 2001-03-13 | Nissan Chem Ind Ltd | Herbicide composition and weeding |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4713109A (en) * | 1981-12-31 | 1987-12-15 | Ciba Geigy Corporation | 2-(4-(5-chloro-3-fluoropyridin-2-yloxy)phenoxy)-propionic acid-propynyl ester with herbicidal activity |
| CN1060385A (en) * | 1990-09-26 | 1992-04-22 | 武田药品工业株式会社 | Weed killer herbicide |
| CN101703062A (en) * | 2009-11-06 | 2010-05-12 | 扬州市苏灵农药化工有限公司 | Synergistic weedicide composition containing clodinafop-propargyl and tribenuron-methyl and preparation method thereof |
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| JP特开2001-64110A 2001.03.13 |
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