CN105532683A - Weeding composition containing tralkoxydim and pyroxsulam - Google Patents
Weeding composition containing tralkoxydim and pyroxsulam Download PDFInfo
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- CN105532683A CN105532683A CN201610096959.9A CN201610096959A CN105532683A CN 105532683 A CN105532683 A CN 105532683A CN 201610096959 A CN201610096959 A CN 201610096959A CN 105532683 A CN105532683 A CN 105532683A
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- tralkoxydim
- pyridine sulphur
- grass amine
- sulphur grass
- weeding
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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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
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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
- A01N35/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical
- A01N35/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical at least one of the bonds to hetero atoms is to nitrogen
- A01N35/10—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical at least one of the bonds to hetero atoms is to nitrogen containing a carbon-to-nitrogen double bond
Abstract
The invention discloses a weeding composition containing tralkoxydim and pyroxsulam and the application thereof. The weeding composition is prepared from the first active ingredient tralkoxydim, the second active ingredient pyroxsulam and assistants. The weight ratio of the first active ingredient to the second active ingredient is (10:1) - (100:1). The composition can be made into agriculturally allowable missible oil, suspending agent, microemulsion, water emulsion, water aqua, dispersible oil suspension agent, wettable powder and water dispersible granules. Constituents are reasonable, the weeding effect is good, and usage cost is low; furthermore, the activity and weeding effect of the weeding composition are not realized through simple superposition of the activity of different constituents, and compared with an existing single preparation, the weeding composition has the advantages that the weeding effect is remarkable, the synergistic effect is remarkable, insect resistance can be delayed, safety performance is high, and the requirement for safety of pesticide preparations is met. The weeding composition can control gramineous weeds including wild oats, bromegrass, chlorsulflon, sclerochloa dura, bluegrass, Italian ryegrass, amur foxtail and alopecurus japonicas.
Description
Technical field
The present invention relates to a kind of Wheat field weeding composition, by active component tralkoxydim and pyridine sulphur grass amine and auxiliary agent form, belong to technical field of compounded pesticide.
Background technology
Tralkoxydim, has another name called tralkoxydim, English name tralkoxydim, chemical name: 2-(1-(ethoxyimino) propyl group)-5-(2,4,6-trimethylphenyl)-2-propiono-3-hydroxyl-2-cyclohexene-1-ketone.By selectivity gramineous weed weedicide after the novel bud of cyclohexenone analog of victory sharp Kanggong department exploitation, belong to acetyl-CoA carboxylase inhibitor, spray rear medicine to be absorbed by weeds cauline leaf, meristematic tissue can be conducted to, suppress the biosynthesis of fatty acid, destroy cell division, the first chlorosis of the weeds that are injured, rear variable color is withered, after general dispenser, 3-4 week is completely withered, is mainly used in Wheat and barley field Control Wild oat, the grassy weeds such as charming ma seen by bromegrass, Wang grass, firmly grass, annual bluegrass, caput grass, Annual Ryegrass, amur foxtail, Japan.
Pyridine sulphur grass amine, English name pyroxsulam, chemical name: N-(5,7-dimethoxy [1,2,4] triazole [1,5-a] pyrimidine-2-base)-2-methoxyl group-4-(trifluoromethyl)-3-pyridine sulfonamide.The triazolo pyrimidine sulfonylurea herbicide of Tao Shi benefit agriculture exploitation is new and effective inner sucting conduction type wheat paddock herbicide after seedling.Pyridine sulphur grass amine broad weed-killing spectrum, activity of weeding is high, drug action is fast, after spraying, this medicine is via grass cutting blade, sheath portion, stem or root absorption, accumulate at growing point, suppress acetolactate synthestase, branched-chain amino acid cannot be synthesized, and then affect protein synthesis, affect weeds cell division, weeds weeds stops growing, yellow, then death.Effectively can prevent and kill off the grassy weeds such as the common amur foxtail of wheat paddock, Alopecurus, bromegrass, wild oat, Annual Ryegrass and hard grass, to annual bluegrass with Wang grass preventive effect is not good, doublely can control part broad leaved weed, to wheat and succession crop safety simultaneously.
A kind of weed killer herbicide of the single use of wheat paddock, the generation of control weeds of wheat that can not be fully effective, if consumption is excessive, easily causes residual hazard to this season crop or succession crop.Tralkoxydim is all not identical in chemical classes with the mechanism of action with pyridine sulphur grass amine, widely different on control weeds of wheat.By literature search, tralkoxydim and the composite relevant report of pyridine sulphur grass amine is not yet found that there is at present.
Inventor is through the screening of a large amount of formula indoors and field control effectiveness test, find by tralkoxydim and pyridine sulphur grass amine carry out within the specific limits composite after, can Control Wild oat, bromegrass, deceive the grassy weed such as grass, annual bluegrass, expand herbicidal spectrum and there is remarkable synergistic effect, reduce use cost, delaying drug resistance is high to crop safety.
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 control of weeds spectrum expands, and drug cost is low, energy delaying drug resistance, and the Herbicidal combinations to wheat safety.
The Herbicidal combinations preparation formulation provided containing tralkoxydim and pyridine sulphur grass amine is provided.
Another object of the present invention is to provide above-mentioned composition preventing and kill off the application on wheat paddock grassy weed.
In order to overcome the defect of existing unitary agent, technical scheme of the present invention solves like this, and a kind of Herbicidal combinations containing tralkoxydim and pyridine sulphur grass amine, is characterized in that, comprising:
A) the first active component tralkoxydim;
B) the second active component pyridine sulphur grass amine;
The weight ratio of the first active component and the second active component is 10:1 ~ 100:1, is preferably 20:1 ~ 60:1.
The preparation formulation that can prepare according to the method that those skilled in the art of the present technique are known of Herbicidal combinations of tralkoxydim of the present invention and pyridine sulphur grass amine is missible oil, suspending agent, microemulsion, aqueous emulsion, aqua, dispersible oil-suspending agent, wetting powder, water dispersible granules.
To missible oil, spendable auxiliary agent has: emulsifier as calcium dodecyl benzene sulfonate (agriculture breast 500#), Nongru-700 #, agriculture breast 2201, this coil-60#, emulsifier T-60(common name: anhydrous sorbitol single-hard ester acid ester APEO), TX-10(common name: octyl phenol polyoxyethylene (10) ether), agriculture breast 1601#, one or more in agriculture breast 600#, the newborn 400# of agriculture etc.; Solvent is as one or more in dimethylbenzene, solvent naphtha (S-150, S-180, S-200), toluene, biodiesel, methylated vegetable oil, 1-METHYLPYRROLIDONE etc.; Cosolvent is as one or more in ethyl acetate, methyl alcohol, dimethyl formamide, cyclohexanone, acetone, MEK etc.; Stabilizing agent is as one or more in triphenyl phosphite, epoxychloropropane, aceticanhydride etc.
To suspending agent, spendable auxiliary agent has: dispersant as polycarboxylate, lignosulfonates, alkyl naphthalene formaldehyde condensate sulfonates, alkylphenol-polyethenoxy base ether phosphate, alkylphenol-polyethenoxy base ether sulfonate, phenethyl phenol polyethenoxy base ether phosphate, alkyl polyoxyethylene ether sulfonate, polyoxyethylene polyoxypropylene base ether block copolymers, to pull open in powder, alkylpolyoxyethylene phosphate one or more; Wetting agent as alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, phenethyl phenol polyethenoxy base ether phosphate, alkyl sulfate, alkylsulfonate, alkylnaphthalene sulfonate, alkyl phenol formaldehyde resin polyoxyethylene ether, triphenoethyl benzene phenol polyoxyethylene polyoxypropylene block polymer one or more; Thickener as in xanthans, polyvinyl alcohol, bentonite, aluminium-magnesium silicate, carboxymethyl cellulose, carboxyethyl cellulose, methylcellulose one or more; Preservative as in formaldehyde, benzoic acid, Sodium Benzoate, potassium sorbate, isothiazolinone one or more; Defoamer is as one or more in silicone oil, silicone compound, C10-20 saturated fat acid compounds, C8-10 aliphatic alcohols, hexanol, butanols, octanol; Antifreezing agent as in ethylene glycol, propane diols, glycerine, polyethylene glycol, sorbierite, urea, inorganic salts one or more; Water is deionized water.
For microemulsion, spendable auxiliary agent has: emulsifier is selected from calcium dodecyl benzene sulfonate (agriculture breast 500#), Nongru-700 #, agriculture breast 2201, this dish-60#, polysorbate60-#, TX-10, agriculture breast 1601(common name: phenethyl phenol polyoxyethylene poly-oxygen propylene aether), agriculture breast 600#, agriculture breast 400#; Assistant for emulsifying agent is selected from methyl alcohol, isopropyl alcohol, n-butanol, ethanol; Solvent is selected from cyclohexanone, 1-METHYLPYRROLIDONE, dimethylbenzene, toluene, solvent naphtha (trade mark: S-150, S-180, S-200); Stabilizing agent is selected from triphenyl phosphite, epoxychloropropane; Water is deionized water.
To aqueous emulsion, spendable auxiliary agent has: emulsifier is as Nonyl pheno (EO=10) ether phosphate, triphenoethyl benzene phenol polyethenoxy ether phosphate, 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 polyoxyethylene (10) ether), agriculture breast 1601(common name: triphenoethyl benzene phenol polyoxyethylene polyoxypropylene block polymer), agriculture breast 600#, agriculture breast 400# in one or more, solvent as dimethylbenzene, toluene, cyclohexanone, solvent naphtha (trade mark: S-150, S-180, S-200) one or more, stabilizing agent as in triphenyl phosphite, epoxychloropropane, epoxidized soybean oil one or more, antifreezing agent: ethylene glycol, propane diols, glycerine, urea, inorganic salts as in sodium chloride 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, water is deionized water.
To aqua, spendable auxiliary agent has: emulsifier is as one or more in calcium dodecyl benzene sulfonate, alkyl phenol formaldehyde resin polyoxyethylene ether, agriculture breast 2201#, sorbitan monostearate, sorbitan monostearate APEO, octyl phenol polyoxyethylene (10) ether, fatty alcohol-polyoxyethylene ether, phenethyl phenol polyoxyethylene poly-oxygen propylene aether, agriculture breast 600#, agriculture breast 400#, dodecyl benzyl dimethyl ammonium chloride etc.; Water is deionized water.
To dispersibling oil-suspending agent, spendable auxiliary agent has: dispersant such as polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate (dispersing agent NNO), Huntsman Corporation of TERSPERSE2020(U.S. HUNTSMAN produce, 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), Huntsman Corporation of the TERSPERSE4894(U.S. produce) in one or more, 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, Huntsman Corporation of the TERSPERSE2500(U.S. produce) in 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 soybean oil, rapeseed oil, cottonseed oil, little wheat oil, castor oil, palm oil, epoxidized soybean oil, methyl oleate and esterification oils, diesel oil, machine oil, mineral oil, and esters solvent as in repefral, dibutyl phthalate, ethyl acetate, methyl benzoate one or more.
To wetting powder, spendable auxiliary agent has: dispersant as in polycarboxylate, lignosulfonates, polyoxyethylene polyoxypropylene base ether block copolymers, alkyl naphthalene formaldehyde condensate sulfonates, alkylphenol-polyethenoxy base ether phosphate, aliphatic alcohol polyoxyvinethene phosphate, alkylphenol-polyethenoxy base ether sulfonate one or more; Wetting agent as in alkyl sulfate, alkylsulfonate, naphthalene sulfonate one or more; 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 water dispersible granules, 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; Disintegrant as in ammonium sulfate, sodium sulphate, polyvinylpyrrolidone, starch and derivative thereof, bentonite one or more; Binding agent is as one or more in starch, glucose, polyvinyl alcohol (PVA), polyethylene glycol, sodium carboxymethylcellulose, sucrose; Filler as diatomite, kaolin, white carbon, fine particle calcium carbonate, talcum powder, attapulgite, potter's clay one or more.
Instant component is reasonable, and preventive effect is better than activity when each component is used separately, has synergistic effect, expands control of weeds spectrum, reduces spraying times, reduce cost accounting, delaying drug resistance, good to crop safety, meets the security requirement of pesticidal preparations.The present invention is good to the multiple grassy weed preventive effect of wheat paddock.
Embodiment
Below by Toxicity Determination, tralkoxydim and pyridine sulphur grass being described, amine is composite whether has synergistic effect to weeds of wheat.
In order to eliminating weed in wheat field, we have carried out mutual composite synergy research with tralkoxydim and pyridine sulphur grass amine, and test method is with reference to " People's Republic of China (PRC) agricultural industry criteria NYT1155.4-2006 farm-chemical indoor determination test rule weed killer herbicide the 4th part: active determination test cauline leaf spray-on process " and " 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: the synergy of mixture measures ".
Subjects is wheat paddock wild oat (Avenafatua), bromegrass (Bromusjaponicus), not grass (Beckmanniasyzigachne), hard grass (Sclerochloadura), annual bluegrass (Poaannua), Annual Ryegrass (Loliummultiflorum), amur foxtail (Alopecurusaequalis), Alopecurus (Alopecurusjaponicus).
Test adopts the air-dry sandy loam that sieves that the content of organic matter is 2.5%, pH is 6.8, permeability is good.Select to be easy to cultivate, breeding time consistent wild oat, bromegrass, deceive grass, hard grass, annual bluegrass, Annual Ryegrass, amur foxtail, Alopecurus seed, germination rate is all more than 80%.
Test soil is quantitatively filled to 4/5 place of basin alms bowl, adopts infiltrating irrigation mode bottom basin alms bowl, make soil complete wetting.By wild oat, bromegrass, deceive grass, hard grass, annual bluegrass, Annual Ryegrass, amur foxtail, the uniform broadcasting of Alopecurus seed in soil surface, earthing 1.0cm.Weeds laggard seedling in the ranks of emerging determines strain, and density is every square metre of 120 strains.
Single dose and each Mixed Pharmacy arrange 5 variable concentrations gradients (on the basis of preliminary experiment result, different according to dosages distribution, concentration gradient arranges also different, and rate of preventing and kill off sets by geometric progression in the scope of 5% ~ 90%).If clear water contrasts, repeat 4 times.In weeds 2 ~ 3 leaf phase, from low dosage to high dose, carry out spraying process respectively.Process is placed in greenhouse to cultivate and observes, with infiltrating irrigation mode moisturizing bottom basin alms bowl.
Process the rear fresh weight preventive effect calculating each chemicals treatment for 21 days, 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, calculates the co-toxicity coefficient (CTC) of mixture, evaluates the activity of reagent agent to weeds with this by the abundant method of Sun Yun.
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.
Table 1 tralkoxydim and pyridine sulphur grass amine combine the Toxicity Determination to wild oat
Table 2 tralkoxydim and pyridine sulphur grass amine combine the Toxicity Determination to bromegrass
Table 3 tralkoxydim and pyridine sulphur grass amine combine the Toxicity Determination to deceiving grass
Table 4 tralkoxydim and pyridine sulphur grass amine combine the Toxicity Determination to hard grass
Table 5 tralkoxydim and pyridine sulphur grass amine combine the Toxicity Determination to annual bluegrass
Table 6 tralkoxydim and pyridine sulphur grass amine combine the Toxicity Determination to Annual Ryegrass
Table 7 tralkoxydim and pyridine sulphur grass amine combine the Toxicity Determination to amur foxtail
Table 8 tralkoxydim and pyridine sulphur grass amine combine the Toxicity Determination to Alopecurus
Toxicity Determination result shows: tralkoxydim and pyridine sulphur grass amine are that 10:1 ~ 100:1 is mixed with weight ratio all has good synergistic effect to wild oat, bromegrass, not grass, hard grass, annual bluegrass, Annual Ryegrass, amur foxtail, Alopecurus.
In order to better the present invention is described, be described further content of the present invention below in conjunction with embodiment, the percentage in formula is all weight percentage.
Example of formulations 1
Take 35% tralkoxydim, 1% pyridine sulphur grass amine, 3% agriculture breast 600#, 5% this dish-60#, 2% methyl alcohol, 2% epoxychloropropane, dimethylbenzene adds to 100% weight portion.Above-mentioned raw materials is through mixing, and stirring and dissolving is obtained 36% tralkoxydim pyridine sulphur grass amine missible oil completely afterwards.
Example of formulations 2
Take 10% tralkoxydim, 1% pyridine sulphur grass amine, 5% Nongru-700 #, 4% agriculture breast 600#, 2% cyclohexanone, 2% aceticanhydride, toluene adds to 100% weight portion.Above-mentioned raw materials is through mixing, and stirring and dissolving is obtained 11% tralkoxydim pyridine sulphur grass amine missible oil completely afterwards.
Preparation implements 3
Take 15.5% tralkoxydim, 0.5% pyridine sulphur grass amine, 5% alkyl polyoxyethylene ether sodium sulfonate, 3% Negel, 0.3% aluminium-magnesium silicate, 0.2% bentonite, 5% sorbierite, 0.2% Sodium Benzoate, 1.5% butanols, deionized water adds to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear dispersion 30min, obtains 16% tralkoxydim pyridine sulphur grass amine suspending agent with sand mill sand milling to particle diameter D90 after being less than 10 μm.
Example of formulations 4
Take 18% tralkoxydim, 1% pyridine sulphur grass amine, 3% sodium lignin sulfonate, 3% phenethyl phenol polyethenoxy base ether phosphate, 4% sodium alkyl sulfonate, 0.5% carboxymethyl cellulose, 3% polyethylene glycol, 0.2% isothiazolinone, 1% octanol, deionized water adds to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear dispersion 30min, obtains 19% tralkoxydim pyridine sulphur grass amine suspending agent with sand mill sand milling to particle diameter D90 after being less than 10 μm.
Example of formulations 5
Take 25% tralkoxydim, 1% pyridine sulphur grass amine, 3% agriculture breast 1601,3% calcium dodecyl benzene sulfonate, 3% methyl alcohol, 3% dimethylbenzene, 1% epoxychloropropane, deionized water adds to 100% weight portion.Above-mentioned raw materials is obtained 26% tralkoxydim pyridine sulphur grass amine microemulsion after being uniformly mixed.
Example of formulations 6
Take 24% tralkoxydim, 1% pyridine sulphur grass amine, 5% agriculture breast 600#, 3% isopropyl alcohol, 3% toluene, 1% triphenyl phosphite, deionized water adds to 100% weight portion.Above-mentioned raw materials is obtained 25% tralkoxydim pyridine sulphur grass amine microemulsion after being uniformly mixed.
Example of formulations 7
Take 30% tralkoxydim, 2% pyridine sulphur grass amine, 5% agriculture breast 1601,2% toluene, 1% triphenyl phosphite, 2% propane diols, 5% bentonite, 0.2% Sodium Benzoate, deionized water adds to 100% weight portion.Above-mentioned raw materials mixes, obtained 32% tralkoxydim pyridine sulphur grass amine aqueous emulsion after high-speed stirred.
Example of formulations 8
Take 16% tralkoxydim, 1% pyridine sulphur grass amine, 6% Tween-60 #, 2% cyclohexanone, 1% epoxidized soybean oil, 2% ethylene glycol, 5% polyvinyl alcohol, 0.2% formaldehyde, deionized water adds to 100% weight portion.Above-mentioned raw materials mixes, obtained 17% tralkoxydim pyridine sulphur grass amine aqueous emulsion after high-speed stirred.
Example of formulations 9
Take 33% tralkoxydim, 2% pyridine sulphur grass amine, 4% agriculture breast 1601#, deionized water adds to 100% weight portion.Above-mentioned raw materials is through mixing, and stirring and dissolving is obtained 35% tralkoxydim pyridine sulphur grass amine aqua completely afterwards.
Example of formulations 10
Take 26% tralkoxydim, 1% pyridine sulphur grass amine, 2% agriculture breast 2201#, 3% Nongru-700 #, deionized water adds to 100% weight portion.Above-mentioned raw materials is through mixing, and stirring and dissolving is obtained 27% tralkoxydim pyridine sulphur grass amine aqua completely afterwards.
Example of formulations 11
Take 20% tralkoxydim, 1% pyridine sulphur grass amine, 2% dispersing agent NNO, 3% Huntsman Corporation of Nongru-700 #, 8%BY-110,1%TERSPERSE2500(U.S. produce), 1% aluminium-magnesium silicate, 3% glycerine, rapeseed oil adds to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear dispersion 30min, dispersibles oil-suspending agent with 21% tralkoxydim pyridine sulphur grass amine obtained after sand mill sand milling.
Example of formulations 12
Take 30% tralkoxydim, 3% pyridine sulphur grass amine, 2% sodium lignin sulfonate, 3% Nongru-700 #, 10%BY-110,1% sodium naphthalene sulfonate, 1% bentonite, 3% propane diols, little wheat oil adds to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear dispersion 30min, dispersibles oil-suspending agent with 33% tralkoxydim pyridine sulphur grass amine obtained after sand mill sand milling.
Example of formulations 13
Take 60% tralkoxydim, 2% pyridine sulphur grass amine, 5% polyoxyethylene polyoxypropylene base ether block copolymers, 2% alkylphenol-polyethenoxy base ether phosphate, 2% sodium alkyl sulfonate, 5% urea, fine particle calcium carbonate adds to 100% weight portion.Above-mentioned raw materials, through mixing, obtains 62% tralkoxydim pyridine sulphur grass amine wetting powder after air-flow crushing.
Example of formulations 14
Take 50% tralkoxydim, 1% pyridine sulphur grass amine, 5% alkylphenol-polyethenoxy base ether sulfonic acid sodium, 2% alkylphenol-polyethenoxy base ether phosphate, 2% sodium alkyl sulfonate, 5% ammonium sulfate, diatomite adds to 100% weight portion.Above-mentioned raw materials, through mixing, obtains 51% tralkoxydim pyridine sulphur grass amine wetting powder after air-flow crushing.
Example of formulations 15
Take 49.5% tralkoxydim, 0.5% pyridine sulphur grass amine, 4% sodium lignin sulfonate, 2% Negel, 1% sodium alkyl sulfonate, 2% sodium naphthalene sulfonate, 1% polyethylene glycol, white carbon adds to 100% weight portion.Namely the method for above-mentioned raw materials frequent regulation water intaking dispersible granule mixes, ultra micro air-flow crushing, mixing, granulation step produce 50% tralkoxydim pyridine sulphur grass amine water dispersible granules.
Example of formulations 16
Take 40% tralkoxydim, 1% pyridine sulphur grass amine, 43% polycarboxylate GY-D06,5% sodium lignin sulfonate, 2% sodium alkyl sulfonate, 2%K-12(lauryl sodium sulfate), 3% sodium sulphate, 5% sulphur ammonium, attapulgite adds to 100% weight portion.Namely the method for above-mentioned raw materials frequent regulation water intaking dispersible granule mixes, ultra micro air-flow crushing, mixing, granulation step produce 41% tralkoxydim pyridine sulphur grass amine water dispersible granules.
Biological Examples 1: control wheat paddock grassy weed field control effectiveness test.
Inventor has carried out example of formulations 1(36% tralkoxydim pyridine sulphur grass amine missible oil in 2015 in Junichiro Koizumi village of xiangtan, hunan province county), example of formulations 3(16% tralkoxydim pyridine sulphur grass amine suspending agent), example of formulations 5(26% tralkoxydim pyridine sulphur grass amine microemulsion), example of formulations 7(32% tralkoxydim pyridine sulphur grass amine aqueous emulsion), example of formulations 9(36% tralkoxydim pyridine sulphur grass amine aqua), example of formulations 11(21% tralkoxydim pyridine sulphur grass amine dispersibles oil-suspending agent), example of formulations 13(62% tralkoxydim pyridine sulphur grass amine wetting powder), example of formulations 15(50% tralkoxydim pyridine sulphur grass amine water dispersible granules) prevent and treat weeds of wheat field control effectiveness test, demonstrate the control efficiency of this medicament to weeds of wheat and the safety to wheat.
Trial crops is wheat, controlling object is wheat paddock grassy weed: wild oat (Avenafatua), bromegrass (Bromusjaponicus), not grass (Beckmanniasyzigachne), hard grass (Sclerochloadura), annual bluegrass (Poaannua), Annual Ryegrass (Loliummultiflorum), amur foxtail (Alopecurusaequalis), Alopecurus (Alopecurusjaponicus), during dispenser, weeds were in for 2 ~ 3 leaf phases.
Experimental field physical features is smooth, and soil fertility is medium, pH value 7.1.Test medicine and dosage refer to table 9.Separately establish blank, often process 4 times and repeat, every community 30 ㎡, Gong408Ge community, random district, community group arranges.Adopt conventional spray-on process, mu dispenser liquid 45kg.
After medicine, 30d investigates each process weeds strain preventive effect.Investigation method is that 2 points are investigated, often some 0.25m in every community
2(0.5m × 0.5m).Drug effect computational methods are:
Wherein: CK is blank district careless number (or fresh weight) alive; PT is the remaining careless number (or fresh weight) for the treatment of region.
Weeds of wheat field control effectiveness test strain preventive effect prevented and treated by table 9
Field test results shows, 36% tralkoxydim pyridine sulphur grass amine missible oil, 16% tralkoxydim pyridine sulphur grass amine suspending agent, 26% tralkoxydim pyridine sulphur grass amine microemulsion, 32% tralkoxydim pyridine sulphur grass amine aqueous emulsion, 36% tralkoxydim pyridine sulphur grass amine aqua, 21% tralkoxydim pyridine sulphur grass amine dispersible oil-suspending agent, 62% tralkoxydim pyridine sulphur grass amine wetting powder, 50% tralkoxydim pyridine sulphur grass amine water dispersible granules dosage are 200ga.i./hm
2, have good control efficiency to weeds of wheat, after medicine, the average preventive effect of 30 days is all obviously better than 40% tralkoxydim water dispersible granules 400ga.i./hm
2, 7.5% pyridine sulphur grass amine water dispersible granules 14ga.i./hm
2preventive effect.By to significance of difference analysis in 30 days after medicine, tralkoxydim and pyridine sulphur grass amine combine and other single dose process preventive effect otherness remarkable.
Security survey: after medicine, 7d, 15d estimate the safety of each process to wheat seedling.Observed result is, all reagent agents, to wheat growth safety, occur without the poisoning such as chlorisis, dwarfing phenomenon.
In sum, composition of the present invention is employing 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 there is 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 (5)
1. contain a Herbicidal combinations for tralkoxydim and pyridine sulphur grass amine, it is characterized in that: be made up of the first active component tralkoxydim and the second active component pyridine sulphur grass amine and auxiliary agent, the weight ratio of the first active component and the second active component is 10:1 ~ 100:1.
2. contain the Herbicidal combinations of tralkoxydim and pyridine sulphur grass amine according to claim 1, it is characterized in that: the weight ratio of the first active component and the second active component is 20:1 ~ 60:1.
3., according to claim 1 containing the Herbicidal combinations of tralkoxydim and pyridine sulphur grass amine, it is characterized in that: described combination dosage form is missible oil, suspending agent, microemulsion, aqueous emulsion, aqua, dispersible oil-suspending agent, wetting powder, water dispersible granules.
4. preventing and treating the application on wheat paddock grassy weed containing the Herbicidal combinations of tralkoxydim and pyridine sulphur grass amine according to claim 1.
5. apply according to claim 4, wheat paddock grassy weed is wild oat, bromegrass, not grass, hard grass, annual bluegrass, Annual Ryegrass, amur foxtail, Alopecurus.
Priority Applications (1)
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