CN106538576A - A kind of Herbicidal combinations, preparation and its application - Google Patents
A kind of Herbicidal combinations, preparation and its application Download PDFInfo
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- CN106538576A CN106538576A CN201510605548.3A CN201510605548A CN106538576A CN 106538576 A CN106538576 A CN 106538576A CN 201510605548 A CN201510605548 A CN 201510605548A CN 106538576 A CN106538576 A CN 106538576A
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- isoproturon
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Abstract
The invention discloses a kind of Herbicidal combinations, comprising active ingredient isoproturon, tralkoxydim, florasulam, isoproturon, tralkoxydim, florasulam mass ratio are 0.1 ~ 90：0.1~80：0.1 ~ 50, preferably 5 ~ 80: 1 ~ 60：0.2 ~ 20, most preferably 5 ~ 60: 5 ~ 50：0.2~10；A kind of Herbicidal combinations preparation, said preparation include above-mentioned Herbicidal combinations and preparation adjuvant, and the Herbicidal combinations account for the 1 ~ 90% of total amount by percentage to the quality, preferably 5 ~ 75%；The herbicidal composition of the present invention：1st, to Semen Tritici aestivi high safety；2nd, broad weed-killing spectrum, is killed comprehensively including the various weeds including grass family, broad-leaved class；3rd, herbicidal effect is good, high to Semen Tritici aestivi, barley field Weed-control effect；4th, it is easy to use, closed soil treatment or weeds after seedling cauline leaf process after wheat cultivation；5th, it is environmentally friendly, drift is difficult, it is environmentally safe；6th, quick-acting and lasting effect are had concurrently, times for spraying is reduced, the amount of labour and production cost is reduced, is reduced the risk that poisoning occurs, is delayed herbicide resistance to produce.
Description
Technical field
The present invention relates to a kind of herbicide, specifically a kind of containing isoproturon, tralkoxydim, the Herbicidal combinations of florasulam, preparation and its application.
Background technology
Semen Tritici aestivi is one of main cereal crops of China, and cornfield herbicidal is a great problem in production.Chemical weed control is the Main Means for controlling weeds.Often there is different degrees of defect on Agriculture Field control of weeds in the herbicide kind containing single-activity component, in recent years, as some herbicide single dose kind large area are individually continuously used, many weeds are caused to develop immunity to drugs, weed control spectrum is narrow, more increase environmental pollution more than application times, therefore be badly in need of efficient, the weeding pharmaceutical preparations of low toxicity, economy, safety, wide spectrum.
For preventing and treating agriculturally produces the weeds of resistance, a kind of method is to release the new new component with existing kind no interactions resistance, but the development cost of new effective ingredient is high, and the construction cycle is long, and does not much catch up with the speed that weeds produce resistance；Other methods such as crop structure adjustment, different pesticide rotations etc., during practical operation, it is difficult to really play obvious effect；Different cultivars composition is compounded, and is the modal method of preventing and treating resistant weed.
Compound herbicide is made up of the effective ingredient of different mechanism of action, and action site increases, and not only can expand weed control spectrum, be conducive to overcoming and delaying the generation of herbicide resistance, be the important means of integrated control weeds in field.
Isoproturon（Isoproturon）It is selective phenyl ureagroup herbicides, is inner sucting conduction type soil and cauline leaf process agent.Annual gramineous weed and part broadleaved herb are prevented and kill off mainly.Isoproturon after weeds root system absorption is taught and is accumulated in the blade of weeds, mainly disturbs weeds photosynthesis, causes weeds dead.It is mainly used in the ground such as wheat and barley, Semen sojae atricolor, Cotton Gossypii, Semen Maydiss and prevents and kill off the weeds such as amur foxtail, annual bluegrass Herba Digitariae, wild oat, Herba Setariae Viridis.The molecular structure of isoproturon is：
（CAS：34123-59-6）
Tralkoxydim（tralkoxydim）, belong to oxime herbicide.Semen Tritici aestivi and barley field being applied to after bud, the weeds such as amur foxtail, hard grass, wild oat, auspicious native rye grass, Herba Setariae Viridis are prevented and kill off, Jing after leaf absorbs, growing point being transferred in phloem, here suppresses new growth.To grassy weed, absorbed and shifted by plant after foliage application rapidly.Weeds elder generation chlorosis, changes colour withered afterwards, completely withered in general 3～4 weeks.Wild oat before tiller final period can be thoroughly prevented and kill off almost, the suppression phase can be extended down to the jointing stage.The molecular structural formula of tralkoxydim is：
（No. CAS：87820-88-0）
Florasulam（florasulam）It is the triazolopyrimidine sulfonamides herbicide developed by LG-DOW agricultural sciences company, is worked by suppressing acetolactate synthestase (ALS), cause weeds finally dead.It is the broad-spectrum herbicide of wheat paddock application, can effectively prevents and kill off most broadleaved herbs such as the Herba Galii Teneri of wheat paddock, Herba stellariae mediae, Herba Capsellae, the lasting period is long, to crop safety.The molecular structure of florasulam is：
（No. CAS: 145701-23-1）
At present, isoproturon, tralkoxydim, the report of the ternary built preparation of florasulam be there is no.
The content of the invention
For background technology propose wheat paddock there is a problem of weeds mix send out, retransmit, resistance, the present invention provide it is a kind of containing isoproturon, tralkoxydim, florasulam Herbicidal combinations, the Herbicidal combinations resistance risk is little, cost accounting is low, broad weed-killing spectrum, good drug efficacy, lasting effect and quick-acting is all good, environmental pollution is little.What is more important, the Herbicidal combinations are difficult to the grassy weeds such as the resistance amur foxtail prevented and kill off, Alopecurus, Ying Cao Beckmannia syzigachne (Steud.) Fernald [B.erucaeformis (L.)Host var. uniflora Sckibn. Ex A.Grag to the repeating transmission of current wheat paddock specially good effect, and the broadleaved herb for increasingly sharpening to Herba Galii Teneri, Herba Capsellae, Herba stellariae mediae, ox chickweed etc. and being difficult to prevent and kill off equally has specially good effect；Second object of the present invention is to provide a kind of Herbicidal combinations preparation of employing above-mentioned composition；Third object of the present invention is to provide the application of combinations of the above thing and preparation.
In order to realize above-mentioned first purpose, following technical scheme is present invention employs：
A kind of Herbicidal combinations, comprising active ingredient isoproturon, tralkoxydim, florasulam.
In the presence of in the Herbicidal combinations of the present invention, effective ingredient is with extra fine quality ratio, synergy highly significant.Therefore described effective ingredient isoproturon, tralkoxydim, florasulam mass ratio are 0.1 ~ 90：0.1~80：0.1 ~ 50, preferably 5 ~ 80: 1 ~ 60：0.2 ~ 20, most preferably 5 ~ 60: 5 ~ 50：0.2~10.
Three of the above effective ingredient isoproturon, tralkoxydim, florasulam no interactions resistance, carried out mixture, energy its soil sealing process of efficient hardening and stem and leaf killing action, the weeds not germinateed with germination and emergence are killed comprehensively, expanding prevention can be composed on a large scale, be extended the use age, extensively kill including the various weeds including grass family, broad-leaved class, its quick-acting and lasting effect are improved, the times for spraying of period of duration is reduced, is had particularly important meaning to delaying drug resistance.Simultaneously as single medicament concentration declines, the risk of poisoning generation is greatly reduced.Meet the requirement that a medicine in agricultural production is multiplex, reduces times for spraying, reduce poisoning risk.
In order to realize above-mentioned second purpose, following technical scheme is present invention employs：
A kind of Herbicidal combinations preparation, said preparation include above-mentioned Herbicidal combinations and preparation adjuvant, and the Herbicidal combinations account for the 1 ~ 90% of total amount by percentage to the quality, preferably 5 ~ 75%.
Described Herbicidal combinations can be configured to any dosage form for agriculturally allowing, and preferred wettable powder, powder, water dispersible granules, granule, dry suspending agent, microcapsule suspending agent, microemulsion, aqueous emulsion, suspension emulsion, oil suspending agent, cream, shed agent or effervescent tablet.
The preparation adjuvant be wetting agent, dispersant, emulsifying agent, thickening agent, solvent, antifreezing agent, preservative, disintegrating agent, stabilizer, film former, in wafer, pH acid-base modifiers, defoamer, coloring agent, filler and water one or more combine.
Described wetting agent is one or more combinations in EO/PO block polyethers, fatty alcohol-polyoxyethylene ether, tallow ethyoxyl ammonium salt, alkylnaphthalene sulfonate, fatty alcohol polyoxyethylene ether sulfate and acyl group glutamate.
The dispersant is one or more combinations in naphthalene sulfonic acid condensate sodium salt, phenolsulfonic acid condensation substance sodium salt, methyl naphthalene sulfonate formaldehyde condensate, sodium lignin sulfonate, sodium metnylene bis-naphthalene sulfonate, acrylate homopolymer sodium salt, polymeric polycarboxylic acid salt, dioctyl sodium sulphosuccinate salt, EO/PO block polyethers and maleic acid-acrylic acid copolymer sodium salt.
Described emulsifying agent is alkylphenol polyoxyethylene、Ben-zylphenol Polyoxyethyl Ether、Phenethyl phenol polyethenoxy ether、Fatty alcohol-polyoxyethylene ether、Phenethyl phenol polyethenoxy ether polyethenoxy ether、Aliphatic amine polyoxyethylene ether、Oleum Ricini ethylene oxide adduct and its derivant、Polyol fatty acid ester and its ethylene oxide adduct、Alkylbenzenesulfonate、Alkylsulfonate、Dialkyl succinylsuccinate sulfonated ester、Alkyl biphenyl base ether sulfonate、Naphthalene sulfonic acid-formaldehyde condensation product、Aliphatic alcohol sulfate、Alkylphenol polyoxyethylene sulfate、Aralkyl phenol polyethenoxy ether sulfate、Alkylphenol polyoxyethylene phosphate ester、Phenethyl phenol polyethenoxy ether phosphate ester、Polyoxyethylene carboxylate phosphate、Ethoxylated fatty amines phosphate ester、Alkylphosphonic、APES formaldehyde condensation product、Aralkyl phenol polyethenoxy ether formaldehyde condensation products、Biphenyl phenol polyethenoxy ether formaldehyde condensation products、Polyoxyethylene polyoxypropylene block copolymer、Alkyl naphthalene sulfonic acid formaldehyde condensation products、Phenol formaldehyde condensate sulfonate、APES formaldehyde condensation products sulfat、Contracting methylcellulose and its derivant、Alkylammonium salt、Amino alcohol fatty acid derivatives、Polyamines derivative of fatty acid、Quaternary ammonium salt、Tallow ethyoxyl ammonium salt、Alkylnaphthalene sulfonate、Aminoacid、Amine oxide、Glycine betaine、One or more combinations in fatty alcohol polyoxyethylene ether sulfate and acyl group glutamate.
The thickening agent is xanthan gum, Magnesiumaluminumsilicate, sodium carboxymethyl cellulose, starch phosphate sodium, starch sodium octenyl succinate, one or more combinations in polyvinyl alcohol.
The solvent is dimethylbenzene, turpentine-based vegetable oil, methyl oleate, one or more combinations in heavy aromatic solvent oil.
The antifreezing agent is ethylene glycol, Propylene Glycol, glycerol, isopropanol, one or more combinations in carbamide.
The preservative is Kazon, formaldehyde, phenyl salicylate, butyl p-hydroxybenzoate, one or more combinations in potassium sorbate.
The disintegrating agent is boric acid, ammonium chloride, Sodium Chloride, ammonium sulfate, sodium sulfate, one or more combinations in soluble starch.
The stabilizer is epoxy soybean oil, epoxychloropropane, triphenyl phosphite, glycidyl ether, one or more combinations in tetramethylolmethane.
The film former is polyvinyl alcohol, polyvinyl acetate, polyethylene glycol polymethylacrylic acid glycol ester, carboxymethyl cellulose, Radix Acaciae senegalis, xanthan gum, one or more combinations in starch.
The cyst material is carbamide resin, and carbamide resin is obtained by interface polymerization reaction with polyhydric alcohol or polyamine by isocyanate-monomer；Isocyanates include the multiple methylene polyisocyanates of toluene di-isocyanate(TDI), 4,4- methyl diphenylene diisocyanates, many phenyl, polyphenyl polymethylene polyisocyanates.
The pH acid-base modifiers are the one kind in citric acid, glacial acetic acid, hydrochloric acid, ammonia, triethanolamine, sodium hydroxide, triethylamine and diethylenetriamine.
The defoamer is organic silicon defoamer, C8~10One kind in aliphatic alcohols, polyether antifoam agent.
The coloring agent is ferrum oxide, titanium oxide, one or more combinations in azo dye.
Described filler is Kaolin, kieselguhr, Pulvis Talci, sodium bicarbonate, precipitated calcium carbonate, one or more combinations in white carbon.
The water is deionized water or distilled water.
In order to realize above-mentioned the 3rd purpose, following technical scheme is present invention employs：
The present invention through repetition test it has been found that it is above-mentioned containing isoproturon, tralkoxydim, the compositionss of florasulam and preparation for suppressing undesirable plant growing to present notable synergistic effect.
The using method of the Herbicidal combinations of the present invention：Described Synergistic herbicide compositions are applied to into the growth place of undesirable plant.
The undesirable plant includes grassy weed, broad leaved weedses.
The grassy weed includes wild oat, Herba bromi japonici, Triticum tauschii, amur foxtail, Alopecurus, net grass, barnyard grass, annual bluegrass, Herba Digitariae, Herba Eleusines Indicae, Paspalum conjugatum, Herba Setariae Viridis, white lance grass, Herba bromi japonici, wild broomcorn millet, Paspalum distichum, Herba Eragrostidis pilosae, Setaria glauca, Radix seu Caulis Embeliae Parviflorae, Herba Arthraxonis Hispidi, caput grass or Herba panici repentics.
The broad leaved weedses include that pig Yang brings disaster to、Herba stellariae mediae、Ox chickweed、Herba Capsellae、Herba Viviae Sativae、Grasswort、Herba veronicae、Corn gromwell、Herba Silenes conoideae、Herba Euphorbiae Helioscopiae、Herba Lamii Amplexicauliss、The Lao Stork of Ye、Field thistle、Herba Cirsii、Herba seu Flos Convolvuli arvensves、Descurainia sophia (l.) webb ex prantl、Bidens pilosa、Eclipta prostrata、Golden button、Pig label、Myriogyne minuta、Flake chrysanthemum、Naked post chrysanthemum、Folium Artemisiae Argyi、Flos et Folium Lactucae elatae、Crassocephalum crepidioides、Guayule、Herba Sonchi Oleracei、Herba Kalimeridis、Herba youngiae japonicae、Mus Qu dishes、Herba Duchesneae Indicae、Herba Erigerontis Annui、Herba Hemisteptae Lyratae、Radix seu Caulis Parthenocissi tricuspidatae、Herba Acalyphae、Garden euphorbia herb、Cacumen Securinegae Suffruticosae、Bending Hairy Bittercress、Bird's-pepper (pl. bird's-peppers)、Yin Du Herba Rorippae、Guang Zhou Herba Rorippae、Land cress、Herba Kummerowiae Striatae、Lespedeza cuneata、Pueraria lobata、Blazon vetch、Veronica persica、Mazus japonicus、Herba Veronicae peregrinae、Boehmeria、Herba Pileae microphyllae、Herba Solani Nigri、Alternanthera philoxeroides、Concave head amaranth、Carolina Cranesbill Herb、Herba Chenopodii、Chenopodium glaucum linn、Herba Leonuri、Clinopodium gracile、Syringe dish、Herba Salviae Plebeiae、Fennel fennel Bulbus Allii、Herba Ranunculi Scelerati (Radix Anemones rupicolae)、Whip grass、Herba Malvastri Coromandeliani、Radix sidae acutae、Urena lobata Linn、Plantaginaceae Herba Plantaginiss、Herba polygoni senticosi、Herba Polygoni Avicularis、Herba polygoni hydropiperis、Herba Polygoni cymosi、Radix Rumicis Japonici、Phytolacca american、Semen Cuscutae、Herba Dichodrae、Herba Duchesneae Indicae、Rubus Tosaefulins、Herba Cayatiae Japonicae、Parthenocissuss、Fevervine、Herba Hedyotidis Diffusae、Herba basellae rubrae potato、Caulis fici pumilae (Fructus Fici Pumilae)、Herba Saginae Japonicae、Herba Centellae、Hydrocotyle sibthorpioides lam.Var.Batvachium (Hand.- Mazz.) et shan.、Herba Hydrocotyleses、Tuberous chervil、Lobule hemlock chervil、Hemerocallis citrina Baroni Herba Oxalidis Corniculatae、Window box oxalis、Rhizoma Smilacis Chinensiss、Herba Lobeliae Chinensis、Radix Wahlenbergiae Marginatae、Herba Portulacae、Radix Talini Paniculati、Herba Violae japonicae、The Rhizoma Pinelliae、Herba Violae.
Compared to the prior art the herbicidal composition of the present invention has the advantages that to project very much：
1st, to Semen Tritici aestivi high safety；
2nd, broad weed-killing spectrum, is killed comprehensively including the various weeds including grass family, broad-leaved class；
3rd, herbicidal effect is good, high to Semen Tritici aestivi, barley field Weed-control effect；
4th, it is easy to use, closed soil treatment or weeds after seedling cauline leaf process after wheat cultivation；
5th, it is environmentally friendly, drift is difficult, it is environmentally safe；
6th, quick-acting and lasting effect are had concurrently, times for spraying is reduced, the amount of labour and production cost is reduced, is reduced the risk that poisoning occurs, is delayed herbicide resistance to produce.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent; the present invention is illustrated with specific examples below; described embodiment is to preferably explain the present invention; rather than limiting the scope of the invention; it is all based on any modification made in basic thought of the present invention and principle and variation, belong to the scope that the present invention is claimed.
Prepare embodiment：
Embodiment 1：Cream
By 25% isoproturon, 15% tralkoxydim, 0.5% florasulam and 15% fatty alcohol-polyoxyethylene ether, 44.5% heavy aromatic solvent oil complements to 100%, through mixing processing, obtain cream preparation, according to actual needs, appropriate dimethylbenzene can be added, prepared active component content is 40.5% cream preparation.
Embodiment 2：Water dispersible granules
30% isoproturon, 25% tralkoxydim, 1% florasulam and 3% naphthalene sulfonic acid condensate sodium salt, 2% acyl group glutamate, 10% ammonium chloride, 2% white carbon, 27% Kaolin are sufficiently mixed; pass through comminution by gas stream again; granulating and forming obtains water dispersible granules; contain 56% content reactive compound in water dispersible granules, product cut size is 80-120 mesh.
Embodiment 3：Dry suspending agent
40% isoproturon, 20% tralkoxydim, 0.8% florasulam and 2% lignosulfonates, 2% naphthalene sulfonate, 10% ammonium sulfate, 0.3% xanthan gum, 10% white carbon, 14.9% Kaolin are sufficiently mixed, pass through Ultrafine Jet Milling again, prepared dry suspending agent, contains 60.8% content reactive compound in dry suspending agent.
Embodiment 4：Wettable powder
35% isoproturon, 20% tralkoxydim, 0.6% florasulam compositionss, 2% fatty alcohol-polyoxyethylene ether, 5% white carbon, 5% precipitated calcium carbonate, 10% Kaolin, 22.4% kieselguhr are sufficiently mixed, again by superfine grinding to certain particle diameter, prepared active component content is 55.6% wettable powder.
Embodiment 5：Microemulsion
25% isoproturon, 15% tralkoxydim, 0.3% florasulam, 2.5%EO/PO block polyethers, 5% phenethyl phenol polyethenoxy ether phosphate ester, 5% dimethylbenzene, 2% glycerol, 3% isopropanol, deionized water 42.2% are mixed to prepare the microemulsion containing 40.3% active component.
Embodiment 6：Aqueous emulsion
25% isoproturon, 18% tralkoxydim, 0.25% florasulam, 3% phenethyl phenol polyethenoxy ether phosphate ester, 2% alkylammonium salt, 7% methyl oleate, 3% Propylene Glycol, 1.1%C8~10Aliphatic alcohols, deionized water 40.65% is mixed to prepare the aqueous emulsion containing 43.25% active component.
Embodiment 7：Suspension emulsion
30% reactive compound（19.6% isoproturon, 10% tralkoxydim, 0.4% florasulam）Preparation method: 19.6% isoproturon, 10% tralkoxydim, 0.4% florasulam, alkylnaphthalene sulfonate 1.0%, acrylate homopolymer sodium salt 4.0%, Propylene Glycol 2.0%, xanthan gum 0.3%, organic silicon defoamer 0.1%, deionized water 52.6% are sufficiently mixed, high shear homogenized milk agent high speed shearing corase grind and homogenizing are put into again, the sand milling into sand mill is put again, sand milling is to certain particle diameter, suspending agent, reactive compound of the suspension emulsion containing 30% content are obtained final product after refiltering.
Try embodiment in field：
Try embodiment 1 in field：
Choosing following 7 formula and 3 single doses carries out field test, and testing site is located at Xiuqian City Shuyang agricultural Demonstration Base wheat paddock and carries out, and test weeds in field has the broad leaved weed such as the grassy weeds such as amur foxtail, hard grass and Herba Galii Teneri, Herba stellariae mediae, ox chickweed, Herba Capsellae.Test using 5 days after wheat cultivation, Semen Tritici aestivi and weeds emerge before sealing treatment.
Investigation method：After medicine, the leaf color of 15d, 30d range estimation Semen Tritici aestivi, growing way, observe safety of the medicament to Semen Tritici aestivi；Preventive effect adopts chessboard method, takes at 5 points per cell, area 0.2m2, 30d, the 60 d investigation after medication, calculating preventive effect.
Preventive effect（%）=
1st, formula one：Isoproturon+tralkoxydim+florasulam（50g.ai/mu + 24g.ai/mu+0.75g.ai/mu）
Take 50% isoproturon can 100 grams of wet-milling, 40% 60 grams of tralkoxydim, 5% 15 milliliters of florasulam be watered spraying, and test effect is shown in Table one；
2nd, formula two：Isoproturon+tralkoxydim+florasulam（30g.ai/mu +32g.ai/mu+0.5g.ai/mu）
Take 50% isoproturon can 60 grams of wet-milling, 40% 80 gram+5% of tralkoxydim, 10 milliliters of florasulam is watered even spraying, and test effect is shown in Table one；
3rd, formula three：Isoproturon+tralkoxydim+florasulam（40g.ai/mu +20g.ai/mu+0.6g.ai/mu）
Take 50% isoproturon can 80 grams of wet-milling, 40% 50 grams of tralkoxydim, 5% 12 milliliters of florasulam be watered even spraying, test effect is shown in Table one；
4th, formula four：Isoproturon+tralkoxydim+florasulam（35g.ai/mu +28g.ai/mu+0.8g.ai/mu)
Take 50% isoproturon can 70 grams of wet-milling, 40% 70 grams of tralkoxydim, 5% 16 milliliters of florasulam are watered even spraying, see test table one；
5th, formula five：Isoproturon+tralkoxydim（50 gai/mu + 24gai/mu)
100 grams of 50% isoproturon is taken, 40% 60 grams of tralkoxydim is watered spraying, sees test table one；
6th, formula six：Isoproturon+florasulam（50g ai/mu +0.8g ai/mu）
100 grams of 50% isoproturon is taken, 5% 16 milliliters of florasulam is watered spraying, sees test table one；
7th, formula seven：Tralkoxydim+florasulam（32g ai/mu + 0.8g ai/mu）
80 grams of 40% tralkoxydim is taken, 5% 16 milliliters of florasulam is watered spraying, sees test table one；
7 formula of the above respectively with 50% isoproturon（100 grams）, 40% tralkoxydim（80 grams）And 5% florasulam（15 milliliters）These three single doses are compared, and comparing result is shown in Table one：
Table one：
Result of the test shows, the isoproturon of the present invention, tralkoxydim, the Herbicidal combinations of florasulam compounding, the total preventive effect of eliminating weed in wheat field is up to more than 90%, apparently higher than the binary built of any two of which single dose, and the herbicidal effect that each of which single dose is used alone, the use cost of peasant household can be substantially reduced, and the effect of the various weeds of wheatland is solved with a drug；Test simultaneously is also indicated that, in this test scope of medication, to Semen Tritici aestivi safety.
Try embodiment 2 in field：
Choosing following four formula and two single doses carries out field test, and testing site is located at the Semen Tritici aestivi Demonstration Base in Jiangdu bridge town, has the grassy weeds and broadleaved herb etc. such as amur foxtail, Beckmannia syzigachne (Steud.) Fernald [B.erucaeformis (L.)Host var. uniflora Sckibn. Ex A.Grag, Herba Galii Teneri, Herba Viviae Sativae, Herba Capsellae for trying field weeds in field.In the 4 leaf phase of Semen Tritici aestivi, the weeds 3-4 leaf phases are carried out for test, are watered 30 liters of stem and leaf nebulization dispensers using per mu.
Investigation method：After medicine, the leaf color of 15d, 30d range estimation Semen Tritici aestivi, growing way, observe safety of the medicament to Semen Tritici aestivi；Preventive effect adopts chessboard method, takes at 5 points per cell, area 0.2m2, 30 days after medication, investigate within 45 days, 60 days, calculate preventive effect.
Preventive effect（%）=
1st, formula one：Isoproturon+tralkoxydim+florasulam（50g.ai/mu + 20g.ai/mu+0.5g.ai/mu）
Take 50% isoproturon can 100 grams of wet-milling, 40% 50 grams of tralkoxydim, 5% 10 milliliters of florasulam be watered spraying, and test effect is shown in Table two；
2nd, formula two：Isoproturon+tralkoxydim+florasulam（40g.ai/mu +24g.ai/mu+0.6g.ai/mu）
Take 50% isoproturon can 80 grams of wet-milling, 40% 60 gram+5% of tralkoxydim, 12 milliliters of florasulam is watered even spraying, and test effect is shown in Table two；
3rd, formula three：Isoproturon+tralkoxydim+florasulam（30g.ai/mu +28g.ai/mu+0.7g.ai/mu）
Take 50% isoproturon can 60 grams of wet-milling, 40% 70 grams of tralkoxydim, 5% 14 milliliters of florasulam be watered even spraying, test effect is shown in Table two；
4th, formula four：Isoproturon+florasulam（60g.ai/mu +0.6g.ai/mu)
Take 50% isoproturon can 120 grams of wet-milling, 5% 12 milliliters of florasulam is watered even spraying, sees test table two；
5th, formula five：Isoproturon+tralkoxydim（50 gai/mu + 24gai/mu)
100 grams of 50% isoproturon is taken, 40% 60 grams of tralkoxydim is watered spraying, sees test table two；
6th, formula six：Tralkoxydim+florasulam（28g ai/mu +0.6g ai/mu）
70 grams of 40% tralkoxydim is taken, 5% 12 milliliters of florasulam is watered spraying, sees test table two；
7th, formula seven：100 milliliters of isoproturon（50g ai/mu）
Take 50% isoproturon can 100 grams of wet-milling, test effect is shown in Table two；
8th, formula eight：70 grams of tralkoxydim
40% 70 grams of tralkoxydim, test effect is shown in Table two；
9th, formula nine：Florasulam（0.6g.ai/mu）
9 formula field test effect examination tables of the above are to frequently, effect is shown in Table two：
Table two：
Result of the test shows, the Herbicidal combinations of the isoproturon, tralkoxydim and florasulam compounding of the present invention, the total preventive effect of eliminating weed in wheat field is up to more than 85%, apparently higher than the exclusive use of each single dose, or the herbicidal effect that the binary mixture of any two single dose is used, and herbicidal spectrum is complementary, can substantially reduce the use cost of peasant household, the effect of the various weeds of wheatland is solved with a drug；Test simultaneously is also indicated that, in this test scope of medication, to Semen Tritici aestivi safety.
Claims (10)
1. a kind of Herbicidal combinations, it is characterised in that：Including isoproturon, tralkoxydim, florasulam.
2. a kind of Herbicidal combinations according to claim 1, it is characterised in that：Described effective ingredient isoproturon, tralkoxydim, florasulam mass ratio are 0.1 ~ 90：0.1~80：0.1~50.
3. a kind of Herbicidal combinations according to claim 1, it is characterised in that：Described effective ingredient isoproturon, tralkoxydim, florasulam mass ratio are 5 ~ 80: 1 ~ 60：0.2~20.
4. a kind of Herbicidal combinations according to claim 1, it is characterised in that：Described effective ingredient isoproturon, tralkoxydim, florasulam mass ratio are 5 ~ 60: 5 ~ 50：0.2~10.
5. application of the Herbicidal combinations according to claim 1 to claim 4 any one in undesirable plant growing is suppressed.
6. application of the Herbicidal combinations according to claim 5 in undesirable plant growing is suppressed, it is characterised in that：The undesirable plant includes grassy weed, broad leaved weedses.
7. a kind of Herbicidal combinations preparation, it is characterised in that：Including the Herbicidal combinations described in claim 1 to any one of claim 4 and preparation adjuvant, by percentage to the quality, the Herbicidal combinations account for the 1 ~ 90% of total amount.
8. a kind of Herbicidal combinations preparation according to claim 7, it is characterised in that：The Herbicidal combinations account for the 5 ~ 75% of total amount.
9. a kind of Herbicidal combinations preparation according to claim 7, it is characterised in that：The dosage form of the Herbicidal combinations preparation is wettable powder, powder, water dispersible granules, granule, dry suspending agent, microcapsule suspending agent, microemulsion, aqueous emulsion, suspension emulsion, oil suspending agent, cream, sheds agent, the one kind in effervescent tablet.
10. a kind of Herbicidal combinations preparation according to claim 7, it is characterised in that：The preparation adjuvant be wetting agent, dispersant, emulsifying agent, thickening agent, solvent, antifreezing agent, preservative, disintegrating agent, stabilizer, film former, in wafer, pH acid-base modifiers, defoamer, coloring agent, filler and water one or more combine.
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| CN201510605548.3A CN106538576A (en) | 2015-09-22 | 2015-09-22 | A kind of Herbicidal combinations, preparation and its application |
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| CN111955472A (en) * | 2020-08-11 | 2020-11-20 | 安徽省菲尔德化工科技有限公司 | Weeding composition containing isoproturon, mesosulfuron and florasulam |
| CN112772667A (en) * | 2021-02-04 | 2021-05-11 | 安徽润农腾辉生物科技有限公司 | Weeding composition containing pyroxsulam, isoproturon and florasulam |
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| CN112772667A (en) * | 2021-02-04 | 2021-05-11 | 安徽润农腾辉生物科技有限公司 | Weeding composition containing pyroxsulam, isoproturon and florasulam |
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