CN105766975A - Herbicidal composite containing mesosulfuron-methyl, pinoxaden and fluroxypyr - Google Patents
Herbicidal composite containing mesosulfuron-methyl, pinoxaden and fluroxypyr Download PDFInfo
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- CN105766975A CN105766975A CN201610218894.0A CN201610218894A CN105766975A CN 105766975 A CN105766975 A CN 105766975A CN 201610218894 A CN201610218894 A CN 201610218894A CN 105766975 A CN105766975 A CN 105766975A
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- fluroxypyr
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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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- 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
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
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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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- Agronomy & Crop Science (AREA)
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- Health & Medical Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention belongs to the technical field of pesticides, and discloses a herbicidal composite containing mesosulfuron-methyl, pinoxaden and fluroxypyr.According to the herbicidal composition, mesosulfuron-methyl, pinoxaden and fluroxypyr serve as main active ingredients, and the mass ratio of mesosulfuron-methyl to pinoxaden to fluroxypyr is (1-40):(1-80):(1-60).The invention further discloses application of the herbicidal composite in preparing a herbicide for controlling gramineous weeds and broadleaf weeds in wheat fields or oilseed rape fields.Through herbicide blending, the herbicidal composition reduces the herbicide cost, broadens the herbicidal spectrum, improves the herbicidal effect, has the advantages of being capable of taking effect fast, long in lasting period, not likely to cause herbicide tolerance, thorough in weed killing, low in residual and toxicity, safe, environmentally friendly and the like, is a good-quality herbicide for wheat fields and oilseed rape fields and is safe to wheat and oilseed rape.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of Herbicidal combinations, be specifically related to a kind of Herbicidal combinations containing mesosulfuron, pinoxaden and fluroxypyr and application thereof.
Background technology
Chemical method weeding is agriculturally one of Main Means controlling weeds.In recent years, owing to some herbicide kind large area are used alone, already lead to a lot of weeds and create Drug resistance.Simultaneously as grass is mutually complicated, of a great variety when weeds occur, single variety uses can not effectively solve farmland weed, all can show defect in a certain respect.Herbicide is wide in variety in the market, and simultaneously application technology also requires that height, careless slightly in the application, the problem such as poisoning, herbicidal effect will be occurred bad.Herbicide selection is improper will directly affect safety or the yield of people or seedlings of cereal crops plant.Along with the development of weeding technique and the continuous of herbicide occur, the many weeds in farmland are then increasingly difficult to kill.
Mesosulfuron is sulfonylurea herbicide, and by suppressing acetolactate synthestase to work, weeds root and leaf absorb, and conduct in plant body, make weeds stop growing then withered.The part broad leaved weeds such as winter wheat, spring wheat annual gramineous weed and Herba stellariae mediae are had favorable effect by this medicament.
Pinoxaden belongs to neophyl pyrazolines herbicide, and the mechanism of action is acetyl-CoA carboxylase (ACC) inhibitor.Causing fatty acid biosynthesis block, make cell division stop, cell membrane is destructurized containing fat, causes that weeds are dead.Having Uptake and translocation, be mainly used in barley field and prevent and kill off annual gramineous weed, through toxicity test and field control effectiveness test, result shows that barley field annual gramineous weed such as wild oat, Herba Setariae Viridis, barnyard grass etc. are had good preventive effect.
Fluroxypyr, has another name called: fluorine grass is fixed, make that it is grand, control green bristlegrass spirit, molecular formula: C15H21Cl2FN2O3, chemical name: 4-amino-3, the chloro-6-of 5-bis-fluoro-2-pyridine-2-pyridine fluoroacetic acid.Fluroxypyr is organic heterocyclic class selectivity inner sucting conduction type herbicide after seedling.Quickly it is absorbed by plants after medicine, makes sensitive plant that the reaction of classical hormones class herbicide to occur, plant deformity, distortion.The final effect of its weeding without impact, but is affected the speed that its drug effect plays by temperature.Be typically in temperature low time drug effect play relatively slow, stop growing after dunsiekte can be made, but dead immediately；After temperature raises, plant is quickly dead.In soil, leaching is not notable, and major part is distributed in 0-10 centimetre of topsoil, and when aerobic, the effect at soil microorganism is quickly degraded into the non-poisonous materials such as 2-pyridine alcohol, and in soil, the half-life is shorter, lower stubble broad leaf crop will not be produced impact.In drug resistance plant such as Semen Tritici aestivi body, fluroxypyr is combined into conjugates and loses toxicity, thus having selectivity.Cereal crop uses optimum period wider, can be used for the ground such as Semen Tritici aestivi, Fructus Hordei Vulgaris, Semen Maydis, Fructus Vitis viniferae and orchard, pasture, forest farm and prevent and kill off broad leaved weed, such as weeds such as Herba Galii Teneri, Herba seu Flos Convolvuli arvensis, Herba Capsellae, Herba stellariae mediae, volume stem Herba Amaranthi tricoloris, Herba Portulacaes.
Mesosulfuron, pinoxaden and fluroxypyr single use time, all have certain defect and limitation.Mesosulfuron, pinoxaden, fluroxypyr mixture and application there is no report at present.
Summary of the invention
It is an object of the invention to for problems of the prior art, a kind of Herbicidal combinations containing mesosulfuron, pinoxaden and fluroxypyr is provided, Herbicidal combinations drug cost is low, herbicidal effect good for this, there is instant effect, lasting period length, be not likely to produce Drug resistance, weeding thoroughly, remain advantage low, low toxicity, can be used for Controlling Weeds in Rape Fields Tanaka grassy weed and broad leaved weed.
It is an object of the invention to be achieved through the following technical solutions:
A kind of Herbicidal combinations containing mesosulfuron, pinoxaden and fluroxypyr, it is with mesosulfuron, pinoxaden and fluroxypyr for principle active component, and the mass ratio of described mesosulfuron, pinoxaden and fluroxypyr is 1～40:1～80:1～60.
Preferably, in described Herbicidal combinations, the mass ratio of mesosulfuron, pinoxaden and fluroxypyr is 1～20:1～40:1～20.
It is furthermore preferred that the mass ratio of mesosulfuron, pinoxaden and fluroxypyr is 1:1.66～20:0.33～10 in described Herbicidal combinations.
It is further preferred that the mass ratio of mesosulfuron, pinoxaden and fluroxypyr is 1:10:0.5～5 in described Herbicidal combinations.
Described mesosulfuron, pinoxaden and fluroxypyr three weight/mass percentage composition in Herbicidal combinations are 10～80%, it is preferred to 10～70%.
In the Herbicidal combinations of the mesosulfuron of the present invention, pinoxaden and fluroxypyr, except three kinds of effective ingredient, it is also possible to add the auxiliary agent allowed on pesticide, be configured to any one dosage form.Described dosage form is preferably processed into wettable powder, water dispersion granule, suspending agent, micro-capsule suspension, suspension emulsion, microemulsion, aqueous emulsion or cream.
Described insecticides adjuvant includes dispersant, wetting agent, disintegrating agent, emulsifying agent, antifreezing agent, defoamer, thickening agent, filler, one-tenth wafer, pH adjusting agent, organic solvent, warning pigment, stink agent (2,3 dimethyl pyridine), water.
Described dispersant is selected from one or more in alkylnaphthalene sulfonate, naphthalene sulfonic acid-formaldehyde condensation product, octylphenol polyethylene oxyethylene group ether sulfate, polycarboxylate, lignosulfonates, fatty alcohol-polyoxyethylene ether, aliphatic amine polyoxyethylene ether, polyoxyethylene carboxylate, alkylphenol polyoxyethylene, alkylphenol polyoxyethylene formaldehyde condensation products sulfate, alkyl benzene sulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt etc..
Described wetting agent is selected from one or more in sodium lauryl sulphate, dodecylbenzene sodium sulfonate, Nekal BX, spaonin powder, Fructus Sapindi Mukouossi powder etc..
Described disintegrating agent is selected from one or more in sodium bicarbonate, sodium carbonate, bentonite, carbamide, ammonium sulfate, glucose, aluminum chloride etc..
nullDescribed emulsifying agent is selected from alkyl benzene calcium sulfonate、OP series phosphate ester (thermally coupled distillation columns)、600# phosphate ester (phenyl phenol polyoxyethanyl ether phosphate)、Styrene polyoxyethylene ether ammonium sulfate salt、Alkyl biphenyl ether disulfonic acid magnesium salt、Triethanolamine salt、Benzyl dimethyl phenol polyoxyethyl ether、Phenyl phenol polyoxyethyl ether、Alkylphenol-formaldehyde resin polyoxyethyl ether、Phenethyl fluosite polyoxyethyl ether、Phenethyl phenol polyoxyethanyl polypropylene-base ether、Ethylene oxide-propylene oxide block copolymer、OP series (NPE)、By series (castor oil polyoxyethylene ether)、Alkylphenol polyoxyethylene、Alkylaryl polyoxyethylene polyoxypropylene ether、Alkylaryl polyoxyethylene poly-oxygen propylene aether、Span series、TWEEN Series、One or more in AEO series (fatty alcohol-polyoxyethylene ether) etc..
Described antifreezing agent is selected from one or more in glycerol, ethylene glycol, propylene glycol, glycerol, diethylene glycol, 2,2'-ethylenedioxybis(ethanol)., Polyethylene Glycol etc..
Described defoamer is selected from silicone antifoams agent, C8～10Aliphatic alcohols, C10～20One or more in saturated fat acids (such as capric acid) and amide, silicone oil, silicone compound.
Described thickening agent is selected from medium one or more of hydroxymethyl cellulose, Carboxymethyl cellulose sodium, hydroxyethyl cellulose, Magnesiumaluminumsilicate, gelatin, guar gum, arabic gum, xanthan gum, sodium tripolyphosphate, phenolic resin, sodium alginate, white dextrin, methylcellulose, sodium acrylate, polyvinylpyrrolidone, crospolyvinylpyrrolidone, Polyethylene Glycol, polyvinyl alcohol.
Described filler is selected from one or more in Kaolin, kieselguhr, bentonite, attapulgite, white carbon, starch, precipitated calcium carbonate etc..
Described one-tenth wafer includes cyst material and protection glue; described cyst material is toluene di-isocyanate(TDI) (TDI), methyl diphenylene diisocyanate (MDI), hexa-methylene-1, two or more in 6-diisocyanate, diethylenetriamines, ethylenediamine, carbamide, formaldehyde；Described protection glue is one or more in gelatin, arabic gum, polyvinyl alcohol, sodium polyacrylate.
One or more in glacial acetic acid, hydrochloric acid, ammonia, ethanolamine, triethanolamine or inorganic base of described pH adjusting agent.
Described organic solvent in N,N-dimethylformamide, 3-methyl cyclohexanol ketenes, NOP, N-ketopyrrolidine, toluene, propanol, Ketohexamethylene, acetone, methanol, ethanol, butanol, ethylene glycol monomethyl ether, butyl ether, ethyl acetate, vegetable oil, the acetonitrile etc. one or more.
It is a further object of the present invention to provide this Herbicidal combinations and prevent and kill off the application in the medicines such as grassy weed and broad leaved weed such as Euphorbiaceae weeds, Caryophyllaceae weeds, Rubiaceae weeds, Boraginaceae weeds, Scrophulariaceae weeds, knotweed and Compositae in wheat paddock, Rapeseed Field in preparation, it will be preferred that the application prevented and kill off in wheat paddock, Rapeseed Field in hard grass, amur foxtail, barnyard grass, Herba Euphorbiae Helioscopiae, Semen Euphorbiae, Herba stellariae mediae, Herba Silenes conoideae, corn gromwell, Herba veronicae, pale persicaria, Conyza canadensis medicine in preparation has remarkable result.
Compared with prior art, beneficial effects of the present invention:
The Herbicidal combinations of the present invention reduces drug cost by the mixed of herbicide, expand herbicidal spectrum, improve herbicidal effect, there is instant effect, lasting period length, be not likely to produce Drug resistance, weeding thoroughly, remain the advantages such as low, low toxicity, safety and environmental protection, it is the wheat paddock of high-quality, herbicide used in rape field, to Semen Tritici aestivi, Brassica campestris L safety.
Detailed description of the invention
By detailed description of the invention, technical scheme being further described, " % " of the present invention is weight/mass percentage composition.
Embodiment 140% mesosulfuron-pinoxaden-fluroxypyr wettable powder
Mesosulfuron 2.5%, pinoxaden 25%, fluroxypyr 12.5%, sodium lignin sulfonate 2%, dodecylbenzene sodium sulfonate 1%, Kaolin add to 100%, namely prepare 40% mesosulfuron-pinoxaden-fluroxypyr wettable powder.
By mesosulfuron, pinoxaden, fluroxypyr, dispersant (sodium lignin sulfonate), wetting agent (dodecylbenzene sodium sulfonate), filler (Kaolin) mixing, mix homogeneously in mixed cylinder, remix uniformly after jet mill is pulverized, namely can be made into wettable powder product.
Embodiment 221% mesosulfuron-pinoxaden-fluroxypyr water dispersible granules
Mesosulfuron 1%, pinoxaden 10%, fluroxypyr 10%, aliphatic alcohol polyethenoxy base ether 5%, spaonin powder 4%, ammonium sulfate 2%, kieselguhr add to 100%, prepare 21% mesosulfuron-pinoxaden-fluroxypyr water dispersible granules.
Mesosulfuron, pinoxaden, fluroxypyr, dispersant (aliphatic alcohol polyethenoxy base ether), wetting agent (spaonin powder), disintegrating agent (ammonium sulfate), filler (kieselguhr) etc. are obtained through comminution by gas stream together the particle diameter needed, obtains granulation materials.Item is quantitatively sent in fluidized bed granulating dryer through granulating and dried, prepares water dispersible granules product.
Embodiment 366% mesosulfuron-pinoxaden-fluroxypyr suspending agent
Mesosulfuron 6%, pinoxaden 30%, fluroxypyr 30%, sodium lignin sulfonate 5%, Magnesiumaluminumsilicate 1%, C10～20Saturated fat acids 3%, Polyethylene Glycol 2.5%, water adds to 100%, prepares 66% mesosulfuron-pinoxaden-fluroxypyr suspending agent.
By dispersant (sodium lignin sulfonate), thickening agent (Magnesiumaluminumsilicate), defoamer (C in above-mentioned formulation material10～20Saturated fat acids), antifreezing agent (Polyethylene Glycol), water is through high speed shear mix homogeneously, add mesosulfuron, pinoxaden, fluroxypyr, ball milling 2～3 hours in ball mill, make diameter of particle all below 5 μm, prepare suspending agent product.
Embodiment 430% mesosulfuron-pinoxaden-fluroxypyr micro-capsule suspension
Mesosulfuron 5%, pinoxaden 25%, fluroxypyr 5%, toluene 20%, toluene di-isocyanate(TDI) 5%, diethylenetriamines 5%, alkylphenol polyoxyethylene 10%, ethylene glycol 2%, xanthan gum 0.1%, organic silicon defoamer SAG-10 (commercially available) 0.1%, sodium benzoate 0.4%, water adds to 100%, adopts interfacial polymerization to prepare 30% mesosulfuron-pinoxaden-fluroxypyr micro-capsule suspension.
Embodiment 560% mesosulfuron-pinoxaden-fluroxypyr suspension emulsion
Mesosulfuron 5%, pinoxaden 50%, fluroxypyr 5%, sodium lignin sulfonate 4%, fatty alcohol-polyoxyethylene ether 6%, silicone oil 0.5%, guar gum 0.4%, propylene glycol 2.5%, water adds to 100%, prepares 90% mesosulfuron-pinoxaden-fluroxypyr suspension emulsion.
By dispersant (sodium lignin sulfonate), defoamer (silicone oil), thickening agent (guar gum), antifreezing agent (propylene glycol), water in above-mentioned formulation material through high speed shear mix homogeneously, add pinoxaden, fluroxypyr, ball milling 2～3 hours in ball mill, make diameter of particle all below 5 μm, prepare pinoxaden-fluroxypyr suspending agent, then in mesosulfuron, emulsifying agent (fatty alcohol-polyoxyethylene ether) the direct emulsifying of high speed agitator to pinoxaden-fluroxypyr suspending agent, suspension emulsion product will be prepared.
Embodiment 611.5% mesosulfuron-pinoxaden-fluroxypyr microemulsion
Mesosulfuron 1%, pinoxaden 10%, fluroxypyr 0.5%, toluene 3%, 3-methyl cyclohexanol ketenes 4%, agriculture breast 500#3%, C8～10Aliphatic alcohols 0.2%, hydroxyethyl cellulose 0.6%, diethylene glycol 1%, water is mended to 100%, prepares 11.5% mesosulfuron-pinoxaden-fluroxypyr microemulsion.
Mesosulfuron, pinoxaden and fluroxypyr are dissolved in the reactor equipped with organic solvent (toluene, 3-methyl cyclohexanol ketenes)；By emulsifying agent (agriculture breast 500#), defoamer (C8～10Aliphatic alcohols), antifreezing agent (diethylene glycol), thickening agent (hydroxyethyl cellulose), water join and strongly mix after in the reactor equipped with above-mentioned solution and homogenize, finally obtain the microemulsion product that clear appearance is transparent.
Embodiment 740.5% mesosulfuron-pinoxaden-fluroxypyr aqueous emulsion
Mesosulfuron 3%, pinoxaden 30%, fluroxypyr 7.5%, toluene 3%, Ketohexamethylene 1%, 600# phosphate ester 1%, ethylene glycol 1%, xanthan gum 0.5%, silicone oil 0.2%, water is mended to 100%, prepares 40.5% mesosulfuron-pinoxaden-fluroxypyr aqueous emulsion.
Mesosulfuron in formula, pinoxaden, fluroxypyr, organic solvent (toluene, Ketohexamethylene), emulsifying agent (600# phosphate ester) are added together, are dissolved into homogeneous oil phase；Water, antifreezing agent (ethylene glycol), defoamer (silicone oil), thickening agent (xanthan gum) are mixed, becomes homogeneous aqueous phase；Under high velocity agitation, aqueous phase added oil phase or oil phase is added aqueous phase, after good dispersion, preparing the aqueous emulsion product of the present invention.
Embodiment 820% mesosulfuron-pinoxaden-fluroxypyr suspending agent
Mesosulfuron 5%, pinoxaden 12.5%, fluroxypyr 2.5%, alkyl benzene sulfonate calcium salt 2%, sodium alginate 0.5%, silicone antifoams agent 0.1%, diethylene glycol 2%, water adds to 100%, and mixing prepares 20% mesosulfuron-pinoxaden-fluroxypyr suspending agent.
Embodiment 967.5% mesosulfuron-pinoxaden-fluroxypyr water dispersible granules
Mesosulfuron 5%, pinoxaden 50%, fluroxypyr 12.5%, polycarboxylate 5%, Fructus Sapindi Mukouossi powder 5%, ammonium sulfate 0.8%, white carbon adds to 100%, prepares 67.5% mesosulfuron-pinoxaden-fluroxypyr water dispersible granules.
Embodiment 1016.5% mesosulfuron-pinoxaden-fluroxypyr wettable powder
Mesosulfuron 1.5%, pinoxaden 10%, fluroxypyr 5%, sodium lignin sulfonate 5%, sodium lauryl sulphate 5%, bentonite adds to 100%, namely prepares 16.5% fluroxypyr-pinoxaden-fluroxypyr wettable powder.
Embodiment 1118% mesosulfuron-pinoxaden-fluroxypyr aqueous emulsion
Mesosulfuron 6%, pinoxaden 10%, fluroxypyr 2%, toluene 3%, Ketohexamethylene 2%, 600# phosphate ester 2%, ethylene glycol 1%, arabic gum 0.4%, silicone oil 0.2%, water is mended to 100%, prepares 18% mesosulfuron-pinoxaden-fluroxypyr aqueous emulsion.
Embodiment 1265% mesosulfuron-pinoxaden-fluroxypyr microemulsion
Mesosulfuron 10%, pinoxaden 50%, fluroxypyr 5%, toluene 2%, 3-methyl cyclohexanol ketenes 3%, agriculture breast 500#1%, C8～10Aliphatic alcohols 0.2%, Carboxymethyl cellulose sodium 0.5%, diethylene glycol 2%, water supplies 100%, prepares 65% mesosulfuron-pinoxaden-fluroxypyr microemulsion.
Embodiment 1370% mesosulfuron-pinoxaden-fluroxypyr suspension emulsion
Mesosulfuron 15%, pinoxaden 50%, fluroxypyr 5%, lignosulfonates 1%, fatty alcohol-polyoxyethylene ether 1%, silicone oil 0.5%, xanthan gum 0.1%, propylene glycol 0.5%, water adds to 100%, aforementioned formula material is mixed, namely prepares 70% mesosulfuron-pinoxaden-fluroxypyr suspension emulsion.
Embodiment 14
1, toxicity determination test
Test objective: with hard grass, Herba Silenes conoideae is for supplying examination target weeds, the herbicidal effect that mesosulfuron, pinoxaden, fluroxypyr and different blended combo thereof are closed when greenhouse pot culture, and have rated its synergy.
Test method: select and do not use herbicide, pH6.8 soil, after air-dry for soil sieving, load in the polypots of high 6cm, diameter 9cm, every basin 20 target weed seeds of sowing, it is placed on temperature indoor cultivation after the fine earth that lid 0.5～1cm is thick, treats that weeds length adopts potted plant stem and leaf facture (NY/T1155.4-2006), every alms bowl spraying liquid 1mL to 2～4 leaf phases, often process and repeat 4 times, and set the process without medicament as compareing.Try material after process and be placed in temperature indoor cultivation, the growing state of routine observation target weeds, estimate target damage symptoms and growth inhibited situation after 20d, and claim aerial parts fresh weight or strain fresh weight, evaluate the medicament toxicity action to target weeds with target fresh weight inhibition.Concrete grammar is with reference to NY/T1155.4-2006 farm-chemical indoor determination test rule herbicide the 4th part: active determination test stem and leaf nebulization is tested, and often processing 4 times and repeats, often repeating 20 strains, if being blank without chemicals treatment.Ternary built synergy evaluation methodology is with reference to the Colby method in the synergy mensuration of NY/T1155.7-2006 farm-chemical indoor determination test rule herbicide the 7th part mixture.
The weeds actual measurement preventive effect E of single dose and each mixture calculates according to below equation:
E=(Ck-Pt)/Ck × 100；In formula: Ck is the weeds fresh weight after the dispenser of blank district；Pt is the weeds fresh weight after chemicals treatment.
The theoretical preventive effect of mixture calculates according to below equation:
E0=X × Y × Z/1002；In formula, X is mesosulfuron weeds weight under certain dosage is the percent compareing weeds weight；Y is pinoxaden weeds weight under certain dosage is the percent compareing weeds weight；Z is fluroxypyr weeds weight under certain dosage is the percent compareing weeds weight.
Evaluation criterion: work as E0Potentiation it is expressed as, as-10% < E during-E >=10%0It is expressed as summation action during-E < 10%, works as E0Antagonism it is expressed as during-E≤-10%.
Table 1 mesosulfuron, pinoxaden and fluroxypyr and the different ratio Toxicity Determination to hard grass thereof
Table 2 mesosulfuron, pinoxaden and fluroxypyr and the different ratio Toxicity Determination to Herba Silenes conoideae thereof
Evaluating drug effect: mesosulfuron, pinoxaden, fluroxypyr and mixture compositions thereof to hard grass, Herba Silenes conoideae herbicidal effect measurement result respectively in Table 1, table 2, the mass ratio of mesosulfuron, pinoxaden and fluroxypyr is the E of the ternary recompounded composite of 1:1.66～20:0.33～100-E both is greater than 10%, and hard grass, Herba Silenes conoideae are all shown as potentiation；Mesosulfuron, pinoxaden, fluroxypyr the potentiation of the ternary recompounded composite that mass ratio is 1:10:0.5～5 comparatively notable, when ternary built is 5+50+5, the potentiation of hard grass, Herba Silenes conoideae is the most notable, its E0-E value respectively 25.24,20.16.
2, field control effectiveness test
Reagent agent: 7 kinds of ternary built herbicides in embodiment 1～7.
Comparison medicament: 3% mesosulfuron oil-suspending agent (commercially available), 5% pinoxaden cream (commercially available), 200g/L fluroxypyr cream (commercially available).
Preventing and treating crop: Brassica campestris L.
Prevent and kill off object: the grassy weeds such as hard grass, amur foxtail, the broad leaved weed such as Herba Euphorbiae Helioscopiae, Herba stellariae mediae, Herba Silenes conoideae, corn gromwell, Herba veronicae, pale persicaria, Conyza canadensis.
Test method: each plot area is 66.7m2, repeat 3 times；Investigation drug effect method after investigating before dispenser and preventing and treating is: randomization 5 point (every each sampling 2m in test treatment region2), carry out severity Scaling according to country's field test relevant criterion, calculate preventive effect.
Embodiments of the invention Herbicidal Testing Trials effect is shown in table 3 below (after medicine 20d) and table 4 (after medicine 40d)
Table 3 field control effectiveness test result (after medicine 20d)
Table 4 field control effectiveness test result (after medicine 40d)
Table 5 medicament security survey result to crop
From table 3, table 4 can be seen that the present invention passes through three kinds of effective ingredient mesosulfurons, pinoxaden, fluroxypyr mixture uses, drug effect performance also ratio is comparatively fast, each Ingredient Amount and single use mesosulfuron, the consumption of pinoxaden or fluroxypyr compares minimizing, but to hard grass, amur foxtail, Herba veronicae, the preventive effect that the preventive effect of Herba Euphorbiae Helioscopiae is used alone higher than three kinds of pesticide, the overall the preventive effect simultaneously overall preventive effect of grassy weed and broad leaved weed being used alone also above three kinds of pesticide, preventing and treating grassy weed, broad leaved weed aspect achieves significant potentiation, improve overall preventive effect, the herbicide spectrum making Herbicidal combinations of the present invention further expands.Mixed herbicide medication of the present invention simultaneously was substantially better than, with drug effect after 40 days, the prevention effect that three kinds of pesticide are used alone after 20 days, and it is more lasting that this shows that mixed herbicide of the present invention not only acts on, and not easily makes weeds especially malignant weed develop immunity to drugs.
As can be seen from Table 5, the Brassica campestris L in each community of mixed herbicide of the present invention all grows fine, and has no any medicine speckle, illustrates that Brassica campestris L is all safe by the Herbicidal combinations of variable concentrations.Herbicidal combinations of the present invention is easily degraded, and to Brassica campestris L safety, has no side effect；In soil, residual period, is short, to succession crop safety.
Claims (10)
1. the Herbicidal combinations containing mesosulfuron, pinoxaden and fluroxypyr, it is characterized in that this Herbicidal combinations is with mesosulfuron, pinoxaden and fluroxypyr for principle active component, the mass ratio of described mesosulfuron, pinoxaden and fluroxypyr is 1～40:1～80:1～60.
2. Herbicidal combinations according to claim 1, it is characterised in that in described Herbicidal combinations, the mass ratio of mesosulfuron, pinoxaden and fluroxypyr is 1～20:1～40:1～20.
3. Herbicidal combinations according to claim 2, it is characterised in that in described Herbicidal combinations, the mass ratio of mesosulfuron, pinoxaden and fluroxypyr is 1:1.66～20:0.33～10.
4. Herbicidal combinations according to claim 3, it is characterised in that in described Herbicidal combinations, the mass ratio of mesosulfuron, pinoxaden and fluroxypyr is 1:10:0.5～5.
5. Herbicidal combinations according to claim 1, it is characterised in that described mesosulfuron, pinoxaden and fluroxypyr three weight/mass percentage composition in Herbicidal combinations are 10～80%.
6. Herbicidal combinations according to claim 5, it is characterised in that described mesosulfuron, pinoxaden and fluroxypyr three weight/mass percentage composition in Herbicidal combinations are 10～70%.
7. Herbicidal combinations according to claim 1, it is characterised in that the auxiliary agent that described Herbicidal combinations allows with mesosulfuron, pinoxaden and fluroxypyr for effective ingredient and pesticide is configured to any one dosage form.
8. Herbicidal combinations according to claim 7, it is characterised in that described dosage form is wettable powder, water dispersion granule, suspending agent, micro-capsule suspension, suspension emulsion, microemulsion, aqueous emulsion or cream.
9. the application that the Herbicidal combinations described in claim 1 is prevented and kill off in wheat paddock, Rapeseed Field in grassy weed and broad leaved weed medicine in preparation.
10. the application that the Herbicidal combinations described in claim 1 is prevented and kill off in wheat paddock, Rapeseed Field in hard grass, amur foxtail, barnyard grass, Herba Euphorbiae Helioscopiae, Semen Euphorbiae, Herba stellariae mediae, Herba Silenes conoideae, corn gromwell, Herba veronicae, pale persicaria, Conyza canadensis medicine in preparation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610218894.0A CN105766975A (en) | 2016-04-08 | 2016-04-08 | Herbicidal composite containing mesosulfuron-methyl, pinoxaden and fluroxypyr |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610218894.0A CN105766975A (en) | 2016-04-08 | 2016-04-08 | Herbicidal composite containing mesosulfuron-methyl, pinoxaden and fluroxypyr |
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| Publication Number | Publication Date |
|---|---|
| CN105766975A true CN105766975A (en) | 2016-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106332874A (en) * | 2016-08-25 | 2017-01-18 | 安徽美兰农业发展股份有限公司 | Pinoxaden and fluroxypr-mepthyl compound emulsifiable concentrate and preparation method thereof |
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|---|---|---|---|---|
| CN101669482A (en) * | 2009-07-10 | 2010-03-17 | 合肥星宇化学有限责任公司 | Weeding composition for wheat fields |
| WO2013127855A1 (en) * | 2012-03-01 | 2013-09-06 | Basf Se | Use of an agrochemical composition with fungicidal, herbicidal and plant health improving action in cereals |
| CN103461364A (en) * | 2013-08-20 | 2013-12-25 | 湖南农大海特农化有限公司 | Weeding composition containing mesosulfuron and pinoxaden |
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| CN101669482A (en) * | 2009-07-10 | 2010-03-17 | 合肥星宇化学有限责任公司 | Weeding composition for wheat fields |
| WO2013127855A1 (en) * | 2012-03-01 | 2013-09-06 | Basf Se | Use of an agrochemical composition with fungicidal, herbicidal and plant health improving action in cereals |
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| CN106332874A (en) * | 2016-08-25 | 2017-01-18 | 安徽美兰农业发展股份有限公司 | Pinoxaden and fluroxypr-mepthyl compound emulsifiable concentrate and preparation method thereof |
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