CN105613556A - Dispersible oil suspending agent containing flucarbazone-sodium and mesosulfuron - Google Patents
Dispersible oil suspending agent containing flucarbazone-sodium and mesosulfuron Download PDFInfo
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/38—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< where at least one nitrogen atom is part of a heterocyclic ring; Thio analogues thereof
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
- A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof
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Abstract
The invention discloses a dispersible oil suspending agent containing flucarbazone-sodium and mesosulfuron. The dispersible oil suspending agent is prepared from effective active components flucarbazone-sodium and mesosulfuron, a dispersion agent, an emulsifying agent, a thickening agent, a stabilizing agent, a defoaming agent and vegetable oil. The compositional scheme of two effective active components is adopted, the control effect is superior to that of a single agent, and the synergistic effect is achieved. The weeding effect of the prepared dispersible oil suspending agent is remarkably superior to that of other dosage forms, the dispersible oil suspending agent has a good prevention effect on various grassy weeds in the wheat field, preventive cost can be reduced, and the dispersible oil suspending agent has good safety on crops and meets the safety requirement of pesticide preparations.
Description
Technical field
The present invention relates to and a kind of dispersible oil-suspending agent and its preparation method by what flucarbazone and mesosulfuron two kinds of activeconstituentss and auxiliary agent formed, belong to technical field of compounded pesticide.
Background technology
Flucarbazone, English name is flucarbazone-Na, chemical name: 1H-1,2,4-triazole-1-carboxamide-4,5-2H-3-methoxyl group-4-methyl-5-O-N-[[2-(fluoroform oxygen) benzene] sulphonyl]-sodium salt. It is the efficient wheat field herbicide of sulfonylurea internal-suction type, the gramineous weedss such as wild avena sativa, bromegrass, amur foxtail and multiple broadleaf weed are had obvious anti-effect. Can be absorbed by the root of weeds and stem leaf, by suppressing the activity of acetolactate synthestase in weeds body, destroy weeds Physiological and Biochemical Metabolism and play weeding activity. Flucarbazone can effectively prevent and kill off wheat paddock major part Gramineae and part broadleaf weeds. In wheat body can metabolism fast, thus wheat is had good security.
Mesosulfuron, English name is mesosulfuron-methyl, and chemical name is: methyl-2 [3-(4,6-=methoxy pyrimidine-2-base) ureido sulfuryl l-4-methylsulfonyl aminobenzoic acid esters. For sulfonylurea herbicide, absorb mainly through the stem leaf of plant, conduct through phloem and xylem, a small amount of by soil absorption, suppress the activity of the acetolactate synthestase in weeds body, cause the biosynthesis block of the numerous acid of side chain ammonia, thus T suppression cell division, cause weeds dead. Generally, dispenser is after 2��4 hours, and the absorbed dose of weeds peaks, and stops growing after 2 days, and within 4��7 days, rear blade starts yellow, occurs withered spot subsequently, dead after 2��4 weeks. Can prevent and kill off Triticum tauschii, amur foxtail, wild avena sativa, caput grass, annual bluegrass,Hard grass, alkali thatch, Itanlian rye, lolium temulentum, bromegrass, candle grass, Triticum tauschii,Deceive grass, wheatgrass, shepherd's purse, descurainia sophia (l.) webb ex prantl, ox chickweed, spontaneous rape etc.
Contriver is through the screening of a large amount of formula indoors and field control effectiveness test, prove to dispersible oil-suspending agent containing flucarbazone and mesosulfuron, can the gramineous weeds such as Control Wild oat, bromegrass, amur foxtail, compare with suspension agent, suspended emulsion agent, water dispersible granules, microemulsion, missible oil formulation, there is remarkable synergism, reducing use cost, delaying drug resistance, to crop safety height.
Summary of the invention
It is an object of the invention to provide a kind of component reasonable, synergism is remarkable, and herbicidal effect is good, and drug cost is low, and containing flucarbazone and mesosulfuron, crop safety is dispersibled oil-suspending agent and its preparation method.
Another object of the present invention is to provide above-mentioned and dispersible the application of oil-suspending agent in control weeds of wheat, be applied in weeds of wheat especially and be wild avena sativa, bromegrass, amur foxtail, Triticum tauschii, hard grass, deceive in grass.
It is as follows that the present invention realizes process:
Dispersibling an oil-suspending agent containing flucarbazone and mesosulfuron, its component and weight percentage are as follows:
Flucarbazone 0.1��20%, mesosulfuron 0.1��20%, dispersion agent 1��8%, emulsifying agent 5��15%, wetting agent 0.5��3%, thickening material 0.5��8%, stablizer 0.5��8%, defoamer 0.2��2%, vegetables oil surplus.
Described dispersion agent is that polycarboxylate, sulfonated lignin, sulfonated alkyl naphathalene (dispersing agent NNO), Heng Simai company of TERSPERSE2020(U.S. HUNTSMAN produce, alkyl naphthalene sulfonic acid salt) in one or more;
Described emulsifying agent is BY(castor oil polyoxyethylene ether) series emulsifying agent (BY-110, BY-125, BY-140), Nongru-700 #(popular name: alkyl phenol formaldehyde resin polyoxyethylene ether), agriculture breast 2201, this dish-60#(popular name :), Tween-60 #(popular name: sorbitan monostearate Soxylat A 25-7), agriculture breast 1601#(popular name: styroyl phenol polyoxyethylene poly-oxygen propylene aether), Heng Simai company of the TERSPERSE4894(U.S. produce) in one or more,
Described wetting agent is one or more in alkylphenol-polyethenoxy base ether formaldehyde condensation products vitriol, alkylphenol polyoxyethylene phosphoric acid ester, styroyl phenol polyethenoxy base ether phosphate, alkyl-sulphate, alkylsulfonate, naphthalenesulfonate, TERSPERSE2500;
Described thickening material is one or more in white carbon black, polyvinyl alcohol, wilkinite, xanthan gum, neusilin, carboxymethyl cellulose;
Described stablizer is one or more in epoxy chloropropane, tributyl phosphate, triphenyl phosphite, Sodium Benzoate, epoxy soybean oil, butylated hydroxy anisole;
Described defoamer is silicone antifoam agent;
Described vegetables oil is one or more in soybean oil, rapeseed oil, Oleum Gossypii semen, plam oil, oleum lini, turps, Semen Maydis oil, Witconol 2301.
Above-mentioned containing the preparation method dispersibling oil-suspending agent of flucarbazone and mesosulfuron:
First effective constituent flucarbazone, mesosulfuron are mixed with dispersion agent, emulsifying agent, wetting agent, thickening material, stablizer, defoamer, vegetables oil, then through shearing dispersion 20��30 minutes, finally by sand mill sand milling 2��3 hours, particle diameter D90 was below 10 ��m.
Contriver is through the screening of a large amount of indoor virulences, pharmaceutical formulation test and field control effectiveness test, find to be mixed with flucarbazone and mesosulfuron by a certain percentage to dispersible oil-suspending agent, said preparation can solve the problem of gramineous weeds between wheat paddock, there is obvious synergism, use cost can be reduced, to crop safety height.
Gramineous weeds all kinds of between wheat paddock is had good prevention effect by the present invention, particularly solves the problem that the weeds such as China's wheat main producing region wheat paddock wild avena sativa, bromegrass, amur foxtail, Triticum tauschii, hard grass, not grass are difficult to prevent and kill off. Cost accounting can be reduced, crop safety is good, meet the security requirement of pesticide preparation.
Embodiment
Below in conjunction with embodiment, content of the present invention is described further.
Example of formulations 1
Take 20% flucarbazone, 0.1% mesosulfuron, 3% sodium lignosulfonate, 6% this dish-60#, 3% Tween-60 #, 3% agriculture breast 2201#, 2%TERSPERSE2500(U.S. Heng Simai company produce), 2% white carbon black, 1% epoxy chloropropane, 1% silicone antifoam agent (trade(brand)name: s-29 Nanjing "four news" (new ideas applied chemistries product company produces), Witconol 2301 adds to 100% weight part. Above-mentioned raw materials is through mixing, and high speed shear dispersion 30min, is less than 10 ��m i.e. obtained 20.1% flucarbazone mesosulfuron with sand mill sand milling to particle diameter D90 and dispersibles oil-suspending agent.
Example of formulations 2
Taking 16% flucarbazone, 0.5% mesosulfuron, 3% poly carboxylic acid sodium, 3% agriculture breast 2201#, 5%BY-110,1.5%TERSPERSE2500,4% neusilin, 2% butylated hydroxy anisole, 0.5%L-1000 silicone antifoam agent (Shanghai Li Qi auxiliary chemicals company limited product), soybean oil adds to 100% weight part. Above-mentioned raw materials is through mixing, and high speed shear dispersion 20min, is less than 10 ��m i.e. obtained 16.5% flucarbazone mesosulfuron with sand mill sand milling to particle diameter D90 and dispersibles oil-suspending agent.
Example of formulations 3
Taking 12% flucarbazone, the 1%2 different pungent esters of first 4 chlorine, 5% sodium lignosulfonate, 4% agriculture breast 2201#, 6%BY-125,1.5% alkylphenol polyoxyethylene phosphoric acid ester, 3% xanthan gum, 4% Sodium Benzoate, 1% silicone antifoam agent, epoxy soybean oil adds to 100% weight part. Above-mentioned raw materials is through mixing, and high speed shear dispersion 25min, is less than 10 ��m i.e. obtained 13% flucarbazone mesosulfuron with sand mill sand milling to particle diameter D90 and dispersibles oil-suspending agent.
Example of formulations 4
Take 8% flucarbazone, 4% mesosulfuron, 3% poly carboxylic acid sodium, Heng Simai company of the 5%TERSPERSE4894(U.S. produce), 4% agriculture breast 1601#, 3% Tween-60 #, 1% styroyl phenol polyethenoxy base ether phosphate, 2% wilkinite, 3% tributyl phosphate, 0.8% silicone antifoam agent, turps adds to 100% weight part. Above-mentioned raw materials is through mixing, and high speed shear dispersion 30min, is less than 10 ��m i.e. obtained 12% flucarbazone mesosulfuron with sand mill sand milling to particle diameter D90 and dispersibles oil-suspending agent.
Example of formulations 5
Take 4% flucarbazone, 8% mesosulfuron, 5% dispersing agent NNO, Heng Simai company of the 3%TERSPERSE4894(U.S. produce), 3% agriculture breast 1601#, 3% Nongru-700 #, 2% styroyl phenol polyethenoxy base ether phosphate, 2% wilkinite, 1% tributyl phosphate, 0.3% silicone antifoam agent, rapeseed oil adds to 100% weight part. Above-mentioned raw materials is through mixing, and high speed shear dispersion 30min, is less than 10 ��m i.e. obtained 12% flucarbazone mesosulfuron with sand mill sand milling to particle diameter D90 and dispersibles oil-suspending agent.
Example of formulations 6
Taking 1% flucarbazone, 12% mesosulfuron, 2% poly carboxylic acid sodium, 2% agriculture breast 1601#, 3% Tween-60 #, 3% Nongru-700 #, 2% styroyl phenol polyethenoxy base ether phosphate, 3% wilkinite, 2% butylated hydroxy anisole, 0.8% silicone antifoam agent, Semen Maydis oil adds to 100% weight part. Above-mentioned raw materials is through mixing, and high speed shear dispersion 30min, is less than 10 ��m i.e. obtained 13% flucarbazone mesosulfuron with sand mill sand milling to particle diameter D90 and dispersibles oil-suspending agent.
Example of formulations 7
Take 0.5% flucarbazone, 16% mesosulfuron, Heng Simai company of 5%TERSPERSE2020(U.S. HUNTSMAN produce), 4% agriculture breast 1601#, 6% Nongru-700 #, 2% alkylphenol polyoxyethylene phosphoric acid ester, 3% carboxymethyl cellulose, 2% triphenyl phosphite, 1% silicone antifoam agent, Semen Maydis oil adds to 100% weight part. Above-mentioned raw materials is through mixing, and high speed shear dispersion 30min, is less than 10 ��m i.e. obtained 16.5% flucarbazone mesosulfuron with sand mill sand milling to particle diameter D90 and dispersibles oil-suspending agent.
Example of formulations 8
Take 0.1% flucarbazone, 20% mesosulfuron, 3% dispersing agent NNO, Heng Simai company of the 4%TERSPERSE4894(U.S. produce), 4% agriculture breast 1601#, 3% Nongru-700 #, 2% alkylphenol-polyethenoxy base ether formaldehyde condensation products sodium sulfate, 3% xanthan gum, 3% epoxy chloropropane, 1% silicone antifoam agent, Oleum Gossypii semen adds to 100% weight part. Above-mentioned raw materials is through mixing, and high speed shear dispersion 30min, is less than 10 ��m i.e. obtained 20.1% flucarbazone mesosulfuron with sand mill sand milling to particle diameter D90 and dispersibles oil-suspending agent.
Example of formulations 9
Take 6% flucarbazone, 3% mesosulfuron, 3% poly carboxylic acid sodium, Heng Simai company of the 5%TERSPERSE4894(U.S. produce), 4% agriculture breast 1601#, 3% Tween-60 #, 1% styroyl phenol polyethenoxy base ether phosphate, 2% wilkinite, 3% tributyl phosphate, 0.8% silicone antifoam agent, turps adds to 100% weight part. Above-mentioned raw materials is through mixing, and high speed shear dispersion 30min, is less than 10 ��m i.e. obtained 9% flucarbazone mesosulfuron with sand mill sand milling to particle diameter D90 and dispersibles oil-suspending agent.
Biological Examples 1 flucarbazone and mesosulfuron mixture are to weeds of wheat Toxicity Determination.
Subjects is respectively wheat paddock resistant weed wild avena sativa, bromegrass, amur foxtail, Triticum tauschii, hard grass, deceives grass.
The test medicine that former medicine is mixed with needs, 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 weedicide the 7th part: the combined action of mixture measures ". first single dose and each Mixed Pharmacy are arranged 5 different concns gradients. if clear water compares, repeat 4 times. spray method after employing seedling, get ready in advance and (it is sowed in test basin alms bowl by every alms bowl 50 weed seeds for examination weeds seedling, every alms bowl fixed 40 strains when by the time growing to for 3 leaf phase), the medicament throat spray diluted evenly is sprayed onto on weeds plant, to be evenly thoughtfully as the criterion, after insert greenhouse and normally cultivate, process the anti-effect that latter 21 days calculate each chemicals treatment by appearance method, by the linear regression analysis between the probit value of anti-effect and the logarithmic value of series concentration, obtain the ED50 value of each medicament, the cotoxicity coefficient (CTC) of mixture is calculated by the abundant method of Sun Yun, reagent agent is evaluated to the activity of weeds with this.
The cotoxicity coefficient (CTC) >=120 of compound preparation shows as synergism; CTC��80 show as antagonistic action; 80 < CTC < 120 show as summation action.
Table 2-1 flucarbazone and mesosulfuron combination are to the Toxicity Determination of wild avena sativa
| Chemicals treatment | EC50 | ATI | TTI | CTC |
| Flucarbazone (A) | 1.32 | 100.00 | ���� | ���� |
| Mesosulfuron (B) | 0.59 | 223.73 | ���� | ���� |
| A+B=20%+0.1% | 0.95 | 138.95 | 100.62 | 138.1 |
| A+B=16%+0.5% | 0.84 | 157.14 | 103.75 | 151.5 |
| A+B=12%+1% | 0.76 | 173.68 | 109.52 | 158.6 |
| A+B=8%+4% | 0.52 | 253.85 | 141.24 | 179.7 |
| A+B=4%+8% | 0.48 | 275.00 | 182.49 | 150.7 |
| A+B=1%+12% | 0.43 | 306.98 | 214.21 | 143.3 |
| A+B=0.5%+16% | 0.46 | 286.96 | 219.98 | 130.4 |
| A+B=0.1%+20% | 0.47 | 280.85 | 223.11 | 125.9 |
Table 2-2 flucarbazone and mesosulfuron combination are to the Toxicity Determination of bromegrass
| Chemicals treatment | EC50 | ATI | TTI | CTC |
| Flucarbazone (A) | 0.96 | 100.00 | ���� | ���� |
| Mesosulfuron (B) | 0.48 | 200.00 | ���� | ���� |
| A+B=20%+0.1% | 0.69 | 139.13 | 100.50 | 138.4 |
| A+B=16%+0.5% | 0.62 | 154.84 | 103.03 | 150.3 |
| A+B=12%+1% | 0.56 | 171.43 | 107.69 | 159.2 |
| A+B=8%+4% | 0.38 | 252.63 | 133.33 | 189.5 |
| A+B=4%+8% | 0.35 | 274.29 | 166.67 | 164.6 |
| A+B=1%+12% | 0.35 | 274.29 | 192.31 | 142.6 |
| A+B=0.5%+16% | 0.35 | 274.29 | 196.97 | 139.3 |
| A+B=0.1%+20% | 0.38 | 252.63 | 199.50 | 126.6 |
Table 2-3 flucarbazone and mesosulfuron combination are to the Toxicity Determination of amur foxtail
| Chemicals treatment | EC50 | ATI | TTI | CTC |
| Flucarbazone (A) | 1.45 | 100.00 | ���� | ���� |
| Mesosulfuron (B) | 0.63 | 230.16 | ���� | ���� |
| A+B=20%+0.1% | 1.16 | 125.00 | 100.65 | 124.2 |
| A+B=16%+0.5% | 1.03 | 140.78 | 103.94 | 135.4 |
| A+B=12%+1% | 0.92 | 157.61 | 110.01 | 143.3 |
| A+B=8%+4% | 0.61 | 237.70 | 143.39 | 165.8 |
| A+B=4%+8% | 0.49 | 295.92 | 186.77 | 158.4 4 --> |
| A+B=1%+12% | 0.43 | 337.21 | 220.15 | 153.2 |
| A+B=0.5%+16% | 0.44 | 329.55 | 226.21 | 145.7 |
| A+B=0.1%+20% | 0.48 | 302.08 | 229.51 | 131.6 |
Table 2-4 flucarbazone and mesosulfuron combination are to the Toxicity Determination of Triticum tauschii
| Chemicals treatment | EC50 | ATI | TTI | CTC |
| Flucarbazone (A) | 1.39 | 100.00 | ���� | ���� |
| Mesosulfuron (B) | 0.68 | 204.41 | ���� | ���� |
| A+B=20%+0.1% | 1.11 | 125.23 | 100.52 | 124.6 |
| A+B=16%+0.5% | 0.99 | 140.40 | 103.16 | 136.1 |
| A+B=12%+1% | 0.97 | 143.30 | 108.03 | 132.6 |
| A+B=8%+4% | 0.55 | 252.73 | 134.80 | 187.5 |
| A+B=4%+8% | 0.48 | 289.58 | 169.61 | 170.7 |
| A+B=1%+12% | 0.46 | 302.17 | 196.38 | 153.9 |
| A+B=0.5%+16% | 0.54 | 257.41 | 201.25 | 127.9 |
| A+B=0.1%+20% | 0.52 | 267.31 | 203.89 | 131.1 |
Table 2-5 flucarbazone and mesosulfuron combination are to the Toxicity Determination of hard grass
| Chemicals treatment | EC50 | ATI | TTI | CTC |
| Flucarbazone (A) | 1.24 | 100.00 | ���� | ���� |
| Mesosulfuron (B) | 0.58 | 213.79 | ���� | ���� |
| A+B=20%+0.1% | 0.94 | 131.91 | 100.57 | 131.2 |
| A+B=16%+0.5% | 0.83 | 149.40 | 103.45 | 144.4 |
| A+B=12%+1% | 0.78 | 158.97 | 108.75 | 146.2 |
| A+B=8%+4% | 0.54 | 229.63 | 137.93 | 166.5 |
| A+B=4%+8% | 0.51 | 243.14 | 175.86 | 138.3 |
| A+B=1%+12% | 0.42 | 295.24 | 205.04 | 144.0 |
| A+B=0.5%+16% | 0.46 | 269.57 | 210.34 | 128.2 |
| A+B=0.1%+20% | 0.43 | 288.37 | 213.23 | 135.2 |
Table 2-6 flucarbazone and mesosulfuron combination are to the Toxicity Determination deceiving grass
| Chemicals treatment | EC50 | ATI | TTI | CTC |
| Flucarbazone (A) | 1.02 | 100.00 | ���� | ���� |
| Mesosulfuron (B) | 0.39 | 261.54 | ���� | ���� |
| A+B=20%+0.1% | 0.76 | 134.21 | 100.80 | 133.1 |
| A+B=16%+0.5% | 0.61 | 167.21 | 104.90 | 159.4 |
| A+B=12%+1% | 0.58 | 175.86 | 112.43 | 156.4 |
| A+B=8%+4% | 0.38 | 268.42 | 153.85 | 174.5 |
| A+B=4%+8% | 0.29 | 351.72 | 207.69 | 169.3 |
| A+B=1%+12% | 0.31 | 329.03 | 249.11 | 132.1 |
| A+B=0.5%+16% | 0.28 | 364.29 | 256.64 | 141.9 |
| A+B=0.1%+20% | 0.31 | 329.03 | 260.73 | 126.2 |
Toxicity Determination result shows: flucarbazone is mixed in the ratio of table 2-1 to 2-6 with mesosulfuron, wild avena sativa, bromegrass, amur foxtail, Triticum tauschii, hard grass, not grass there is good virulence, all there is good synergism, especially remarkable with 8% flucarbazone+4% mesosulfuron mixed synergies.
Biological Examples 2 eliminating weed in wheat field field control effectiveness test.
Contriver has carried out example of formulations 4(12% flucarbazone mesosulfuron in March, 2015 in Zhouzhi County, Xi'an City, Shanxi Province and has dispersibled oil-suspending agent) eliminating weed in wheat field field control effectiveness test, with other formulation suspension agent, suspended emulsion agent, water dispersible granules, microemulsion medicament in contrast common of proportioning content mutually congruent, identical. During test, wheat 2��3 is tillered, gramineous weeds 3��5 leaf phase. Process as follows:
(1) 12% flucarbazone mesosulfuron dispersibles oil-suspending agent (8+4)
(2) 12% flucarbazones mesosulfuron suspension agent (8+4)
(3) 12% flucarbazones mesosulfuron suspended emulsion agent (8+4)
(4) 12% flucarbazones mesosulfuron water dispersible granules (8+4)
(5) 12% flucarbazones mesosulfuron microemulsion (8+4)
(6) 70% flucarbazone water dispersible granules
(7) 30g/L mesosulfuron dispersibles oil-suspending agent
(8) to spray clear water as comparison (CK)
Repeating for 4 times, random district group arranges, plot area 20. Adopt electronic knapsack sprayer to carry out stem leaf spraying, it is 30L/ mu by amount of liquid medicine. Test medicine dosage refers to table 3.
Investigation and statistical method: after medicine 7,14,21d observe the growing state of stem and leaf of Wheat in each community. 21d after medicine, every community gets 4 points at random, often 0.25, and weeds strain number in point is recorded in investigation, and calculates anti-effect.
Anti-effect (%)=(blank district number of weeds-treatment zone number of weeds)/number of weeds �� 100, blank district.
Table 3 eliminating weed in wheat field field test results
Test results and analysis: 12% flucarbazone mesosulfuron dispersibles oil-suspending agent (example of formulations 4) by 3g/ mu consumption, carry out stem leaf spraying process, weeds of wheat wild avena sativa, bromegrass, amur foxtail, Triticum tauschii, hard grass, not grass all there is good anti-effect in 21 days after medicine, average anti-effect is 95.9%, the anti-effect being obviously better than 12% other 4 kinds of formulations of flucarbazone mesosulfuron under Isodose, relatively under low dosage, (2g/ mu) also compares medicament 2g/ mu consumption herbicidal effect superior (see table 3) than other.
After medicine 7,14,21d observe, the community that example of formulations 1 processes does not find that the dead seedling of wheat, yellowing leaf, growth are by the poisoning phenomenon such as stagnant. After other chemicals treatment community medicine, there is slight jaundice in 7 days part wheat leaf blades, and after medicine, 14 days slight yellowing phenomenons of wheat leaf blade recover gradually, and after medicine, 21 days wheats recover normal completely.
Biological Examples 3 eliminating weed in wheat field field control effectiveness test.
Contriver has carried out example of formulations 9(9% flucarbazone mesosulfuron in March, 2015 in Mei County, Baoji, Shaanxi province city and has dispersibled oil-suspending agent) eliminating weed in wheat field field control effectiveness test, with other formulation suspension agent, suspended emulsion agent, water dispersible granules, missible oil medicament in contrast common of proportioning content mutually congruent, identical. During test, wheat 2��3 is tillered, gramineous weeds 3��5 leaf phase. Process as follows:
(1) 9% flucarbazone mesosulfuron dispersibles oil-suspending agent (6+3)
(2) 9% flucarbazones mesosulfuron suspension agent (6+3)
(3) 9% flucarbazones mesosulfuron suspended emulsion agent (6+3)
(4) 9% flucarbazones mesosulfuron water dispersible granules (6+3)
(5) 9% flucarbazones mesosulfuron missible oil (6+3)
(6) 70% flucarbazone water dispersible granules
(7) 30g/L mesosulfuron dispersibles oil-suspending agent
(8) to spray clear water as comparison (CK)
Repeating for 4 times, random district group arranges, plot area 20. Adopt electronic knapsack sprayer to carry out stem leaf spraying, it is 30L/ mu by amount of liquid medicine. Test medicine dosage refers to table 4.
Investigation and statistical method: after medicine 7,14,21d observe the growing state of stem and leaf of Wheat in each community. 21d after medicine, every community gets 4 points at random, often 0.25, and weeds strain number in point is recorded in investigation, and calculates anti-effect.
Anti-effect (%)=(blank district number of weeds-treatment zone number of weeds)/number of weeds �� 100, blank district.
Table 4 eliminating weed in wheat field field test results
Test results and analysis: 9% flucarbazone mesosulfuron dispersibles oil-suspending agent (example of formulations 4) by 3g/ mu consumption, carry out stem leaf spraying process, weeds of wheat wild avena sativa, bromegrass, amur foxtail, Triticum tauschii, hard grass, not grass all there is good anti-effect in 21 days after medicine, average anti-effect is 96.8%, the anti-effect being obviously better than 9% other 4 kinds of formulations of flucarbazone mesosulfuron under Isodose, relatively under low dosage, (2g/ mu) also compares medicament 2g/ mu consumption herbicidal effect superior (see table 4) than other.
After medicine 7,14,21d observe, the community that example of formulations 1 processes does not find that the dead seedling of wheat, yellowing leaf, growth are by the poisoning phenomenon such as stagnant. After other chemicals treatment community medicine, there is slight jaundice in 7 days part wheat leaf blades, and after medicine, 14 days slight yellowing phenomenons of wheat leaf blade recover gradually, and after medicine, 21 days wheats recover normal completely.
Above-mentioned test-results shows, flucarbazone and composite the making of mesosulfuron dispersible oil-suspending agent, significantly improve the prevention effect to wheat paddock gramineous weeds, have significant synergies, to wheat safety, environmentally friendly, meet the Safety and Environmental Protection requirement of pesticide preparation.
Claims (4)
1. one kind dispersibles oil-suspending agent containing flucarbazone and mesosulfuron, it is characterized in that component and weight percentage are as follows: flucarbazone 0.1��20%, mesosulfuron 0.1��20%, dispersion agent 1��8%, emulsifying agent 5��15%, wetting agent 0.5��3%, thickening material 0.5��8%, stablizer 0.5��8%, defoamer 0.2��2%, vegetables oil surplus;
Described dispersion agent is that polycarboxylate, sulfonated lignin, sulfonated alkyl naphathalene (dispersing agent NNO), Heng Simai company of TERSPERSE2020(U.S. HUNTSMAN produce, alkyl naphthalene sulfonic acid salt) in one or more;
Described emulsifying agent is BY(castor oil polyoxyethylene ether) series emulsifying agent (BY-110, BY-125, BY-140), Nongru-700 #(popular name: alkyl phenol formaldehyde resin polyoxyethylene ether), agriculture breast 2201, this dish-60#(popular name :), Tween-60 #(popular name: sorbitan monostearate Soxylat A 25-7), agriculture breast 1601#(popular name: styroyl phenol polyoxyethylene poly-oxygen propylene aether), Heng Simai company of the TERSPERSE4894(U.S. produce) in one or more,
Described wetting agent is one or more in alkylphenol-polyethenoxy base ether formaldehyde condensation products vitriol, alkylphenol polyoxyethylene phosphoric acid ester, styroyl phenol polyethenoxy base ether phosphate, alkyl-sulphate, alkylsulfonate, naphthalenesulfonate, TERSPERSE2500;
Described thickening material is one or more in white carbon black, polyvinyl alcohol, wilkinite, xanthan gum, neusilin, carboxymethyl cellulose;
Described stablizer is one or more in epoxy chloropropane, tributyl phosphate, triphenyl phosphite, Sodium Benzoate, epoxy soybean oil, butylated hydroxy anisole;
Described defoamer is silicone antifoam agent;
Described vegetables oil is one or more in soybean oil, rapeseed oil, Oleum Gossypii semen, plam oil, oleum lini, turps, Semen Maydis oil, Witconol 2301.
2. containing the preparation method dispersibling oil-suspending agent of flucarbazone and mesosulfuron described in claim 1, it is characterized in that, effective constituent flucarbazone, mesosulfuron are mixed with dispersion agent, emulsifying agent, wetting agent, thickening material, stablizer, defoamer, vegetables oil, through shearing dispersion 20��30 minutes, sand milling 2��3 hours, particle diameter is below 10 ��m.
3. dispersible the application of oil-suspending agent on control wheat paddock gramineous weeds containing flucarbazone and mesosulfuron described in claim 1.
4. applying according to claim 3, wheat paddock gramineous weeds is wild avena sativa, bromegrass, amur foxtail, Triticum tauschii, hard grass, deceives grass.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106857623A (en) * | 2017-03-17 | 2017-06-20 | 佛山市盈辉作物科学有限公司 | A kind of herbicidal composition containing clodinafop-propargyl, flucarbazone and mesosulfuron |
| CN108566952A (en) * | 2018-07-26 | 2018-09-25 | 捷利诺华作物保护（安徽）有限公司 | A kind of herbicidal composition containing mesosulfuron, flucarbazone and pinoxaden |
| CN108719314A (en) * | 2017-04-20 | 2018-11-02 | 燕化永乐（乐亭）生物科技有限公司 | A kind of Herbicidal combinations |
| CN112841207A (en) * | 2021-01-22 | 2021-05-28 | 安徽润农腾辉生物科技有限公司 | Weeding composition containing pyroxsulam, mesosulfuron and flucarbazone |
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| CN102550585A (en) * | 2012-01-16 | 2012-07-11 | 河北博嘉农业有限公司 | Mesosulfuron-methyl compound herbicide |
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| DE19638887A1 (en) * | 1996-09-23 | 1998-03-26 | Bayer Ag | Selective herbicides based on arylsulfonylaminocarbonyltriazolinones |
| CN102428945A (en) * | 2012-01-16 | 2012-05-02 | 河北博嘉农业有限公司 | Flucarbazone-Na compounded herbicide |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106857623A (en) * | 2017-03-17 | 2017-06-20 | 佛山市盈辉作物科学有限公司 | A kind of herbicidal composition containing clodinafop-propargyl, flucarbazone and mesosulfuron |
| CN108719314A (en) * | 2017-04-20 | 2018-11-02 | 燕化永乐（乐亭）生物科技有限公司 | A kind of Herbicidal combinations |
| CN108566952A (en) * | 2018-07-26 | 2018-09-25 | 捷利诺华作物保护（安徽）有限公司 | A kind of herbicidal composition containing mesosulfuron, flucarbazone and pinoxaden |
| CN112841207A (en) * | 2021-01-22 | 2021-05-28 | 安徽润农腾辉生物科技有限公司 | Weeding composition containing pyroxsulam, mesosulfuron and flucarbazone |
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