CN102550582A - Weeding composition and application thereof - Google Patents
Weeding composition and application thereof Download PDFInfo
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- CN102550582A CN102550582A CN2012100103827A CN201210010382A CN102550582A CN 102550582 A CN102550582 A CN 102550582A CN 2012100103827 A CN2012100103827 A CN 2012100103827A CN 201210010382 A CN201210010382 A CN 201210010382A CN 102550582 A CN102550582 A CN 102550582A
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Abstract
The invention belongs to the technical field of pesticide preparations, and particularly relates to a weeding composition containing tritosulfuron pestanal active components. The weeding composition comprises a component A and a component B which serve as the active components, wherein the component A is tritosulfuron pestanal, the component B is one or more of compounds including acetochlor, alachlor, metolachlor, dimethenamid, efficient dimethenamid, propisochlor, propachlor, ethachlor, diphenamide, ethaprochlor, flufenacet, allidochlor, prynachlor, nicosulfuron, rimsulfuron, thifensulfuron, atrazine, cyanazine, simazine, simetryn, ametryn, terbutryn, terbuthylazine, dimethyl tetrachloro, 2, 4-D butyl ester, 2, 4-D isooctyl ester, fluroxypyr, dichloro pyridine acid and fluroxypyr-mepthyl. The weeding composition can greatly improve preventing and removing effects of single doses, enlarges weeding spectrum, reduces dosage per mu (Chinese acre) and is very safe to crops.
Description
Technical field
The invention belongs to technical field of pesticide preparations, particularly a kind of Herbicidal combinations and application thereof that contains tritosulfuron active ingredient.
Background technology
Corn is as one of China three generalized grain crops, and cultivated area and output have the trend that increases gradually in recent years, the development Maize Production to ensure China's grain-production safely, increase farmers' income, developing the economy has important function.Yet because corn (summer corn) is at growing period, temperature is high, high humidity, and the weeds in field generating capacity is big, and Maize Production is constituted serious harm.Corn field weed and corn contention nutrient, moisture, illumination and living space gently then make the thin and weak jaundice of corn, and be heavy then cover in maize seedling fully, and suppress its growth, causes the corn yield reduction.Cornfield 30 kinds of common weeds, including weeds, broadleaf weeds and sedge weeds, grass weeds are barnyard grass, daughter son, crabgrass, foxtail, goosegrass, dog root; dicotyledonous weeds, also known as broadleaf weeds, mainly smartweed, cocklebur, velvetleaf, purslane, black nightshade, quinoa, amaranth iron, cattle chickweed, redroot pigweed, Amaranthus lividus, small canadensis, Elsholtzia, Daji, Cephalanoplos, Sonchus, Eclipta prostrata, playing bowls of flowers, Verbena, Commelina, wild watermelon, plantain, bitter Zhi, alfalfa, wild soybeans; sedge weeds main there are broken Mischa grass.Adopt chemical weed control, not only alleviated labour intensity, and weeding is timely, effective, can alleviate the harm of weeds Maize Production.At present, the single agent of weeding that can be used for removing corn field weed is a lot, but single agent exists following deficiency: preventive effect is lower, and herbicidal spectrum is narrow, and consumption is big etc.
Summary of the invention
The object of the present invention is to provide a kind of Herbicidal combinations, can improve the preventive effect of each single agent greatly, enlarge herbicidal spectrum, reduce the mu consumption, and to the corn high safety.
The technical scheme that the present invention adopts is following:
A kind of Herbicidal combinations comprises A component and B component as active component, and wherein the A component is a tritosulfuron, and the B component is to be selected from following one or more compound: (B-1) Acetochlor, (B-2) alachlor; (B-3) isopropyl methoxalamine, (B-4) dimethenamid, (B-5) efficient dimethenamid, (B-6) propisochlor, (B-7) propachlor; (B-8) kecaoan, (B-9) diphenamide, (B-10) N-alpha-chloroacetyl-N-isopropyl-o ethylaniline, (B-11) flufenacet, (B-12) allidochlor; (B-13) prynachlor, (B-14) nicosulfuron, (B-15) rimsulfuron, (B-16) thifensulfuronmethyl, (B-17) atrazine; (B-18) cyanazine, (B-19) Simanex, (B-20) symetryne, (B-21) ametryn, (B-22) terbutryn; (B-23) Garagard, (B-24) 2 first, 4 chlorine, (B-25) 2,4-d butyl ester, (B-26) 2; 4-drips different monooctyl ester, (B-27) fluroxypyr, (B-28) clopyralid, (B-29) the different monooctyl ester of fluroxypyr.
In the composition of the present invention, the ratio of component A and B component can be according to the kind of said composition, spraying time, application process and in a more wide in range scope, is fluctuateed.Generally speaking, component A and B component be in following ratio proportioning, but the mass ratio that is not limited to following proportioning: A, B component is 1:0.1-140, preferred 1:0.5-100.
In the effective active composition of the present invention, component A tritosulfuron (Tritosulfuron), chemical name are 1-(4-methoxyl group-6-Trifluoromethyl-1,3,5-triazine-2-yl)-3-(2-trifluoromethyl sulfonyl) urea, molecular formula C
13H
9F
6N
5O
4S, molecular weight 445.3.Tritosulfuron belongs to sulfonylurea herbicide; Acetolactic acid enzymatic synthesis inhibitor promptly through suppressing the ALS in the plant corpus, hinders the biosynthesis of side chain amino acid such as valine, leucine, isoleucine; Cell division is suppressed, and the weeds normal growth is damaged and death.This product is by the sulfonylurea weed killer herbicide of BASF AG's exploitation in 2004, is mainly used in the corn field postemergence weed control.Such weed killer herbicide is fast-developing in market with the fine quality of its super-high-efficient, wide spectrum, high selectivity, low toxicity.First advantage of this type of weed killer herbicide: efficient, consumption is with g/hm
2Meter, its biologically active surpasses 100～1000 times of traditional weed killer herbicides, makes the development of weed killer herbicide get into " super-high-efficient epoch ".Another advantage of this type of weed killer herbicide is wide spectrum, high selectivity; To many annual or perennial broad-leaveds, grassy weed and nutgrass flatsedge; Especially broad leaved weed has special efficacy, has been widely used in various crop, lawn and other uncultivated areas such as water paddy and wheat class, soybean, corn, rape.Such weed killer herbicide also has extremely low lactation toxicity and good environmental characteristics.But, getting into the nineties in 20th century, sulfonylurea herbicide has run into some difficult problems in its application process, and the most outstanding is the resistance problem of residual poisoning and weeds.Therefore, the new varieties of recent development are keeping under original high activity, the environment amenable prerequisite, and main feature is not only to when a stubble crop safety, and succession crop is not had influence.In addition, in the sulfonylureas herbicide molecular structure, introducing fluorine atom, also is research and development focus in recent years.Tritosulfuron is the weed killer herbicide by BASF AG's exploitation; Be mainly used in multiple broad leaved weeds such as control of maize field polygonaceae, Chenopodiaceae, Amaranthaceae, Stellaria, multiple broad leaved weed is had excellent preventive effect, be mainly used in postemergence weed control; And this component has been introduced fluorine atom; Adhering to crop safety, under the eco-friendly prerequisite, improving activity of weeding greatly.
In the B component, (B-1)-(B-13) belong to acetamide-group herbicides.(B-1) Acetochlor, 2-ethyl-6 methyl--N-ethoxyl methyl-alpha-chloro acetanil; (B-2) alachlor, 2-chloro-N-(2,6-diethyl phenyl)-N-(methoxyl methyl) acetamide; (B-3) isopropyl methoxalamine, 2-ethyl-6-methyl-N-(1 '-methyl-2 '-methoxyethyl) chloro acetyl is for benzene; (B-4) dimethenamid, (RS)-2-chloro-N-(2,4-dimethyl-3-thienyl)-N-(2-methoxyl group-1-Methylethyl) acetamide; (B-5) efficient dimethenamid, (S)-2-chloro-N-(2,4-dimethyl-3-thienyl)-N-(2-methoxyl group-1-Methylethyl) acetamide; (B-6) propisochlor, 2-chloro-N-(isopropyl methyl)-N-(2-ethyl-6-methyl) phenyl-acetamides; (B-7) propachlor, alpha-chloro-N-isopropyl acetanil; (B-8) kecaoan, N-(2-ethylphenyl)-N-(ethoxyl methyl) chloroacetamide; (B-9) diphenamide, N, N-dimethyl diphenyl formamide; (B-10) N-alpha-chloroacetyl-N-isopropyl-o ethylaniline, N-(2-ethylphenyl)-N-isopropyl-chloroacetamide; (B-11) flufenacet, 4 '-fluoro-N-isopropyl-2-(5-Trifluoromethyl-1,3,4-thiadiazoles-2-base oxygen) antifebrin; (B-12) allidochlor, N, N-diallyl-2 chloroacetamide; (B-13) prynachlor, 2-chloro-N-(1-methyl-2 propinyl)-phenyl acetanilide,Phenacetylaniline.Acetamide-group herbicides are one type of weed killer herbicides with fastest developing speed, that herbicidal effect is high.Such weed killer herbicide development is rapid, and by 2007, annual production range of application and usable floor area were only second to organophosphorus herbicide, occupy the second place of the world.In the international market, the most salable acetamide-group herbicides kind mainly is: Acetochlor, isopropyl methoxalamine, dimethenamid, metazachlor, butachlor, alachlor, flufenacet, mefenacet, the third careless amine, napropamide, how propylamine, P DimethenamidP, propachlor.The main feature of such weed killer herbicide is: nearly all kind all is the specific drug of control annual gramineous weed, and poor to the control efficiency of broad leaved weed.Most of kinds all are processing soil treatment agents, are mainly used in before crop broadcasts the back seedling, are used to prevent and treat the young shoot of annual weed; And the part kind also can be handled as cauline leaf, and being manured into soil does not have activity.The lasting period in soil of soil treatment is shorter, is mainly 1-3 month, in plant corpus, is easy to degraded.All kinds water-soluble medium higher, volatility is little, unionization.
(B-14) nicosulfuron (nicosulfuron) claims that again beautiful farming is happy, cigarette sulphur is grand.Chemical name: 2-(4,6-dimethoxypyridin-2-base carbamyl aminosulfonyl)-N, the N-dimethyl nicotinamide.Nicosulfuron is a systemic herbicide; Can be weeds cauline leaf and root and absorb, in plant corpus, conduct subsequently, cause sensitive plant growth retardation, cauline leaf chlorisis, withered gradually; Death in 20-25 days generally speaking, but under the lower situation of temperature, some perennial weed is needed the long time.In the dispenser good drug efficacy before the phase of 4 leaves behind the bud, the dispenser drug effect descended when seedling was big.This medical instrument has the preceding activity of weeding of bud, but active in low behind the bud.Can prevent and kill off annual and perennial grassy weed, part broad leaved weed.Tests showed that for drug sensitivity are weeds and gather grass, green foxtail, wild oats, Amaranthus; sensitivity of the medium's weed Polygonum, legal grass, purslane, Benn grass, cocklebur and velvetleaf hemp, sedges; less sensitive weeds are quinoa, Solanum nigrum, Commelina, Kochia and Galeopsis.
(B-15) rimsulfuron (Rimsulfuron) is claimed precious one-tenth again, rimsulfuron 25.Chemical name: N-(((4,6-dimethoxy-2-pyrimidine radicals) amino) carbonyl)-3-(ethylsulfonyl)-2-pyridine sulfonamide; N-(((4,6-dimethoxy-2-pyrimidinyl) amino) carbonyl)-3-(ethylsulfonyl)-2-pyridinesulfonamide; Sulfonylurea herbicide, branched-chain amino acid synthetic inhibitor, selective post-emergence herbicide.Be used for preventing and kill off annual or perennial grass family of corn field and broad leaved weed, like creeping thistle, iron shepherd's purse, the rhizome of nutgrass flatsedge, curly dock, johnson grass, wild oat, Digitaria ischaemum (Schreib.) Schreib. Ex Mubl, barnyard grass grass, Annual Ryegrass, piemarker, Amaranthus retroflexus, clearvers, corn poppy, chickweed.Good especially to early stage use behind the annual weed bud, recommend consumption 5～15g active ingredient/hm when using separately
2Be used for corn and potato weeding; To corn safety, the safest to spring corn.The half life period of rimsulfuron in corn is merely 6h, and when handling with 2～4 times of RD, corn is still very safe.Press RD 5～15g (a.i.)/hm at corn field
2[every mu 0.33～1.09 (a.i.)].During use, succession crop is had no adverse effects, but sweet corn, pop corn, glutinous corn and seed farm should not use.
(B-16) thifensulfuronmethyl (thifensulfuon (methyl)), other titles: thiameturonmethyl.Selective herbicide behind the genus inner sucting conduction type seedling is the branched-chain amino acid synthetic inhibitor, can suppress the biosynthesis of valine, leucine, isoleucine, stops cell division, and sensitive crop is stopped growing.Be mainly used in the broad leaved weed of preventing and kill off between cereal crop wheat, barley, oat, corn field, like Amaranthus retroflexus, kitchen garden, descurainia sophia (l.) webb ex prantl, shepherd's purse, salsola collina, clearvers, Veronica, ox chickweed etc., invalid to field thistle, field bindweed and dogstail etc.Be cauline leaf inorganic agent behind a kind of efficient selective bud, can be used for cereal crop and prevent and kill off 1 year living broad leaved weed.Main through weeds blade face and root system absorption and conduction.After the general dispenser, susceptible weeds stops growing immediately, the back death of 1 week.
(B-17) atrazine (atrazine); Chemical name: 2-chloro-4-diethylin-6-isopropylamine base-1,3,5-triazines; Other titles: atrazine, Aatrex, Primatola, gram esaprim, gram-30027.Be before the interior suction selectivity seedling, herbicide after seedling.Root absorption is main, and cauline leaf absorbs seldom.Kill grass effect and the same Simanex of selectivity, be prone to by rainwater drip washing to soil than deep layer, also effective to some dark root grass, but be prone to the generation poisoning.Lasting period is also longer.Be applicable to that corn, Chinese sorghum, sugarcane, fruit tree, nursery, forest land prevent and kill off lady's-grass, barnyard grass grass, green foxtail, nutgrass flatsedge, amur foxtail, knotweed, lamb's-quarters, Cruciferae, pulse family weeds, some perennial weed is also had certain inhibitory action.
(B-18) cyanazine (cyanazine), other titles hundred this, bladex, Bladex, Foxtrol.Be interior suction selective herbicide, mainly through root absorption, leaf also can absorb.To corn safety, lasting period 2-3 month, back stubble wheat there is not influence.Activity of weeding and soil organic matter content and quality have substantial connection.Much more organic or be clay then the weed killer herbicide consumption also need suitably increase.At Sha Xingchong, the content of organic matter is prone to poisoning after a little while.Kill careless wide spectrum, can prevent and kill off 1 year living grassy weed of great majority and broad leaved weed.Be applicable to that crop fields such as corn, pea, broad bean, potato, sugarcane, cotton prevent and kill off multiple grassy weed and broad leaved weed.
(B-19) Simanex (simazine), other titles Aquazina, Bitemol, CAT, gram asatop, Simater, Weedex.
(B-20) symetryne (simetryn) is applicable to that the rice field prevents and kill off weeds such as barnyard grass grass, fescue, pondweed, rhizoma alismatis, angustifolia arrowhead herb, Brittle Falsepimpernel Herb, little arrowhead, with herbicide mixtures such as benthiocarb, butachlor, molinates, can enlarge and kill the grass spectrum.Also can be used for crop field weedings such as corn, soybean, wheat, peanut, cotton.
(B-21) ametryn, other titles: Ah going out is clean.The interior conductivity processing soil treatment agent of inhaling can be prevented and kill off annual gramineae and broad leaved weed, and is bigger than unifacial leaf to the lethality of broadleaf weed.
(B-22) terbutryn, other titles: terbutryn.The inner sucting conduction type weed killer herbicide, medicament is absorbed as the master with root, also can be absorbed by cauline leaf, is transported to suppress photosynthesis in the green blade, is used for weeding behind the bud before the bud, and the lasting period in soil is 3-10 week.
(B-23) Garagard (Terbuthylazine) soil processing herbicide is used for crop Tanakas such as corn, wheat, barley, potato, pea, Chinese sorghum and oranges and tangerines and prevents and kill off multiple weeds, and consumption is 1～3kg/ha.
(B-24)-(B-29) belong to picolinic acid class weed killer herbicide.Picolinic acid class weed killer herbicide belongs to hormone herbicide, and activity of weeding is high, mainly prevents and treats broad leaved weed, and along with the succession of weeds, this series products range of application is more and more wider, and sales volume is soaring year by year.Such weed killer herbicide is the inner sucting conduction type herbicide after seedling, very soon by plant absorbing, makes susceptible weeds the reaction of typical hormone herbicide occur behind the medicine, plant deformity, distortion.In drug resistance plant such as wheat body, can be combined into conjugates and lose toxicity, thereby have selectivity.Temperature does not have influence to the final effect of its weeding, but influences the speed of its drug effect performance.Generally the drug effect performance is slower when temperature is low, stop growing after can making dunsiekte, but dead immediately; Plant was very fast dead after temperature raise.
Said herbicidal composition can conventional method be processed regular dosage form known in the field, but like formulations such as wetting powder, suspending agent dispersed oil suspending agent, aqueous suspension agent, granule, aqueous emulsion, ultra low volume spraying agent, microcapsule suspending agent, microcapsule powder, microemulsion, water dispersible granules.
Processing suspending agent with composition is example, and the Herbicidal combinations percentage composition is following:
Tritosulfuron 0.5～40%
B component 1～70%
Dispersant 0.5～20%
Wetting agent 0.5～20%
Stabilizing agent 0.5～5%
Thickener 0.1～5%
Solvent 25～75%.
Described dispersant can be selected NNO (naphthalenesulfonic acid-formaldehyde condensate), MF (methyl naphthalene sulfonate formaldehyde condensate), SOPA270 (alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate), lignosulfonates, polyethers, and a kind of or any several kinds of combinations in other dispersants known in those skilled in the art.
Described wetting agent can be selected K12 (neopelex), NPE (NPE), AEO (AEO) series, ooze T, alkyl phenol (or fatty alcohol) polyoxyethylene poly-oxygen propylene aether and sulphate (or phosphoric acid fat) thereof, and a kind of or any several kinds of combinations in the wetting agent known in those skilled in the art.
Said stabilizing agent can be selected potassium sorbate, Sodium Benzoate, formaldehyde, BIT (1; The 2-benzisothiazole-3-ketone), triumphant pine, epoxychloropropane, epoxidized vegetable oil, tributyl phosphate, APES phosphoric acid fat and salt thereof, 2 hexylene glycol [2; 4], hexylene glycol [2; 5], a kind of or any several kinds of combinations in the pentanediol [1,5].
Said thickener can be selected a kind of or any several kinds of combinations in CMC (CMC), xanthic acid, PVA (polyvinyl acetate), sodium alginate, gum Arabic, bentonite, white carbon, aluminium-magnesium silicate, the starch.
Said solvent can be selected a kind of or any several kinds combination in the wetting agents known in those skilled in the art such as deionized water, methyl oleate, methyl alcohol, DMF (dimethyl formamide) xylol.
More than auxiliary agents such as various dispersants, wetting agent, stabilizing agent, thickener be the market sale product, belong to pesticide producing assistant agent commonly used.When making other formulations, so same.
The collocation method of above herbicidal composition suspending agent is with stirring in tritosulfuron, B component, dispersant, wetting agent, stabilizing agent, the thickener input mixing kettle, at first the material of mixing to be crossed colloid mill; Open cycle water then, with certain flow ball milling, temperature is controlled below 40 degree with material; Fineness is crossed 325 mesh sieves; Treat each item index detect qualified after, carry out packing, semi-finished product get final product herbicide composition suspending agent of the present invention.
Described Herbicidal combinations is used for suppressing the growths of plant growth weeds, and described crop is a corn.
Described weeds are annual or perennial grass family, broad-leaved and sedge weed.Like lady's-grass, eleusine indica, barnyard grass grass, green foxtail, Amaranthus retroflexus, humulus grass, black nightshade, Eclipta prostrata, acalypha copperleaf, ivy glorybind, lamb's-quarters, Horseweed Herb, pale persicaria, Siberian cocklebur, piemarker, yellow clever nutgrass flatsedge, cyperus iria and artemisia annua etc.
Herbicidal combinations consumption is in use according to circumstances confirmed by those skilled in the art, belongs to those skilled in the art's routine techniques means, repeats no more here.
Herbicidal composition of the present invention has enlarged the herbicidal spectrum of tritosulfuron.Because two types of components of said composition belong to the weed killer herbicide of different effects mechanism, effectively combination can be played the effect of Synergistic, enlarges the herbicidal spectrum of each single agent, reduces the mu consumption; Secondly, lot of test proves that two groups of compounds are applicable to that corn field can not only play the effect of sealing but also play the effect of killing grass, especially to grassy weeds such as broad leaved weed such as corn field Polygonum, Chenopodium, Amaranthus, piemarker and barnyard grass grass, lady's-grass, moleplant seeds; Sedge weed such as eleusine indica, cyperus iria has good preventive effect, basically can the common weeds in control of maize field.
The present invention has following advantage with respect to prior art:
The present composition can improve the preventive effect of each single agent greatly, enlarges herbicidal spectrum, reduces the mu consumption, and to plant height safety.
Description of drawings
Fig. 1 is the basic flow sheet of preparation herbicidal composition suspending agent of the present invention.
Embodiment
Below with specific embodiment technical scheme of the present invention is described, but protection scope of the present invention is not limited thereto:
FORMULATION EXAMPLE
Explain: the mass fraction in the following FORMULATION EXAMPLE before the composition is the ratio shared in the preparation that is combined in of two active ingredients, and the ratio in its unquote is two active ingredients (tritosulfurons: mass ratio B).
Embodiment 1
51.5% tritosulfuron. Acetochlor (3:100), but dispersed oil suspending agent
395.5 gram methyl oleates in the jar are sheared in suction; 45 gram MF, 22 grams are oozed during T and 5 gram antifoaming agents, 5 gram formaldehyde suction shear jar; Then while stirring with 15 gram tritosulfurons, 500 gram Acetochlors, 2.5 gram xanthans, 10 gram bentonites; Input is sheared jar in order, shears to make mixing of materials even in 30 minutes.Material is carried out ball milling, and below control ball mill temperature 40 degree, the discharging fineness is crossed 325 mesh sieves, but promptly gets 51.5% tritosulfuron Acetochlor dispersed oil suspending agent Herbicidal combinations.
Embodiment 2
21% tritosulfuron. alachlor (1:20), but dispersed oil suspending agent
704.5 gram methyl oleates in the jar are sheared in suction; Restrain in MF, 18 gram NNO and 5 gram antifoaming agents, the 5 gram formaldehyde suction shearing jars 45; Then while stirring with 10 gram tritosulfurons, 200 gram alachlors, 2.5 gram xanthans, 10 gram aluminium-magnesium silicates; Input is sheared jar in order, shears to make mixing of materials even in 30 minutes.Material is carried out ball milling, and below control ball mill temperature 40 degree, the discharging fineness is crossed 325 mesh sieves, but promptly gets 21% tritosulfuron alachlor dispersed oil suspending agent Herbicidal combinations.
Embodiment 3
70.5% tritosulfuron. isopropyl methoxalamine (1:140), microcapsule powder
With 25 gram DMF 5 gram tritosulfurons are dissolved the back suction fully and shear jar, isopropyl methoxalamine 700 grams, phenyl phenol polyoxyethylene poly-oxygen propylene aether and sulphate thereof (or phosphoric acid fat) 30 grams; Calcium dodecyl benzene sulfonate 30 grams; Urea resin prepolymer 180 grams, antifoaming agent 3 grams slowly add initator 180 grams while stirring after the shearing; Under 60 ℃ of temperature, slowly stir half an hour, pass through vacuum cooling drying then.Can get 70.5% tritosulfuron isopropyl methoxalamine microcapsule powder Herbicidal combinations.
Embodiment 4
27.5% tritosulfuron. dimethenamid (1:10) suspension emulsion
With 250 gram dimethenamids, 10 gram phenyl phenol polyoxy ethyl ethers, 4 gram alkylphenol-formaldehyde resin polyoxy ethyl ethers; 623 gram pure water, suction is sheared jar shearing evenly, with 30 gram MF, 10 gram NPEs; 25 gram K12 and 5 gram antifoaming agents, 5 gram formaldehyde suction are sheared in the jar; The limit sheared edge restrains tritosulfurons, 3 gram xanthans, 10 gram bentonites with 25 then, drops in order and shears in the jar, shears to make mixing of materials even in 30 minutes.Material is carried out ball milling, and below control ball mill temperature 40 degree, the discharging fineness is crossed 325 mesh sieves, promptly gets 27.5% tritosulfuron dimethenamid herbicidal composition suspension emulsion.
Embodiment 5
23% tritosulfuron. efficient dimethenamid (3:20) suspension emulsion
With the efficient dimethenamid of 200 grams, 8 gram phenyl phenol polyoxy ethyl ethers, 4 gram alkylphenol-formaldehyde resin polyoxy ethyl ethers; 643 gram pure water, suction is sheared jar and is stirred, with 50 gram MF, 15 gram NPEs; 25 gram K12 and 5 gram antifoaming agents, 5 gram formaldehyde suction are sheared in the jar; The limit sheared edge restrains tritosulfurons, 3 gram xanthans, 12 gram aluminium-magnesium silicates with 30 then, drops in order and shears in the jar, shears to make mixing of materials even in 30 minutes.Material is carried out ball milling, and below control ball mill temperature 40 degree, the discharging fineness is crossed 325 mesh sieves, promptly gets the efficient dimethenamid suspension emulsion of 23% tritosulfuron Herbicidal combinations.
Embodiment 6
40% tritosulfuron. propisochlor (1:7), microcapsule suspending agent
With 100 gram DMF 50 gram tritosulfurons are dissolved the back suction fully and shear jar, propisochlor 350 grams, NNO dispersant 40 grams; K12 wetting agent 20 grams, urea resin prepolymer 180 grams, antifoaming agent 3 grams; Slowly add initator 180 grams after the shearing while stirring; Slowly stir half an hour down at 60 ℃, mend pure water 77 grams, stir.Get final product 40% tritosulfuron propisochlor microcapsule suspending agent Herbicidal combinations.
Embodiment 7
30% tritosulfuron. propachlor (1:2) granule
100 gram tritosulfurons, 200 gram propachlors, polyvinyl alcohol 60 grams are mixed pulverizing; Pour the native ball of 640 grams into disk.The limit adds powder in disk, limit water spray, treat the absorption fully of powder and native ball after, carry out dry screened, 30% tritosulfuron propachlor granule Herbicidal combinations.
Embodiment 8
40% tritosulfuron. kecaoan (3:5) suspension emulsion
With 250 gram kecaoans, 30 gram phenyl phenol polyoxy ethyl ethers, 10 gram alkylphenol-formaldehyde resin polyoxy ethyl ethers; 472 gram pure water, suction is sheared jar and is stirred, with 30 gram MF, 10 gram NPEs; 25 gram K12 and 5 gram antifoaming agents, 5 gram formaldehyde suction are sheared in the jar; The limit sheared edge restrains tritosulfurons, 3 gram xanthans, 10 gram aluminium-magnesium silicates with 150 then, drops in order and shears in the jar, shears to make mixing of materials even in 30 minutes.Material is carried out ball milling, and below control ball mill temperature 40 degree, the discharging fineness is crossed 325 mesh sieves, promptly gets 40% tritosulfuron kecaoan suspension emulsion Herbicidal combinations.
Embodiment 9
30% tritosulfuron. diphenamide (2:1) suspending agent
With 602 gram pure water; 50 restrain lignin, 25 gram K12 and 5 gram antifoaming agents, 5 Keshan potassium sorbates throws in the shearing jar; The limit sheared edge is with 200 gram tritosulfurons, 100 gram diphenamides, 3 gram xanthans, 10 Ke Kaisong then; Input is sheared in the jar in order, shears to make mixing of materials even in 30 minutes.Material is carried out ball milling, and below control ball mill temperature 40 degree, the discharging fineness is crossed 325 mesh sieves, promptly gets 30% tritosulfuron diphenamide suspending agent Herbicidal combinations.
Embodiment 10
50% tritosulfuron. N-alpha-chloroacetyl-N-isopropyl-o ethylaniline (1:1) water dispersible granules
With 250 gram tritosulfurons, 250 gram N-alpha-chloroacetyl-N-isopropyl-o ethylanilines, 30 gram lignin, 40 gram NNO, 20 gram K12,30 gram low substituted hydroxy-propyl methylcellulose, kaolin 360 grams; Mixing laggard promoting the circulation of qi stream pulverizes; But cause ultra-fine wet-milling; But the limit adds the aqueous solution that the spray of wet-milling limit has 20 gram phenolic resins in the rotating disk that tilts, and carries out dry screened then, gets 50% tritosulfuron N-alpha-chloroacetyl-N-isopropyl-o ethylaniline water dispersible granules Herbicidal combinations.
Embodiment 11
40% tritosulfuron. flufenacet (1:3) suspending agent
With 502 gram pure water; 50 restrain lignin, 25 gram K12 and 5 gram antifoaming agents, 5 Ke Kaisong drops in the shearing jar; The limit sheared edge is with 100 gram tritosulfurons, 300 gram flufenacets, 3 gram xanthans, 10 gram aluminium-magnesium silicates then; Input is sheared in the jar in order, shears to make mixing of materials even in 30 minutes.Material is carried out ball milling, and below control ball mill temperature 40 degree, the discharging fineness is crossed 325 mesh sieves, promptly gets 40% tritosulfuron flufenacet aqueous suspension agent Herbicidal combinations.
Embodiment 12
30% tritosulfuron. allidochlor (7:23) wetting powder
With tritosulfuron 70 grams, allidochlor 230 grams, naphthalenesulfonate formaldehyde condensation compound (dispersant) 40 grams; Alkylnaphthalene sulfonate formaldehyde condensation products (dispersant) 100 grams; Lauryl sodium sulfate (wetting agent) 20 grams, white carbon (filler) 50 grams, kaolin 490 grams.Stir, through comminution by gas stream, mix once more, stir, get final product 30% tritosulfuron allidochlor wetting powder Herbicidal combinations.
Embodiment 13
20% tritosulfuron. prynachlor (2:3) suspending agent
With 702 gram pure water; 50 restrain lignin, 25 gram K12 and 5 gram antifoaming agents, 5 Ke Kaisong drops in the shearing jar; The limit sheared edge is with 80 gram tritosulfurons, 120 gram prynachlors, 3 gram xanthans, 10 gram aluminium-magnesium silicates then; Input is sheared in the jar in order, shears to make mixing of materials even in 30 minutes.Material is carried out ball milling, and below control ball mill temperature 40 degree, the discharging fineness is crossed 325 mesh sieves, promptly gets 20% tritosulfuron prynachlor suspending agent Herbicidal combinations.
Embodiment 14
7% tritosulfuron. nicosulfuron (3:4) oil-suspending agent
With 832 gram methyl oleates; 50 restrain in NO, 25 gram K12 and 5 gram antifoaming agents, the 5 gram urea inputs shearing jars; The limit sheared edge is with 30 gram tritosulfurons, 40 gram nicosulfurons, 3 gram xanthans, 10 gram aluminium-magnesium silicates then; Input is sheared in the jar in order, shears to make mixing of materials even in 30 minutes.Material is carried out ball milling, and below control ball mill temperature 40 degree, the discharging fineness is crossed 325 mesh sieves, promptly gets 7% tritosulfuron nicosulfuron oil-suspending agent Herbicidal combinations.
Embodiment 15
18% tritosulfuron. rimsulfuron (4:5) oil-suspending agent
With 722 gram methyl oleates; 50 gram MF, 25 gram K12 and 5 gram antifoaming agents, 5 Keshan potassium sorbate inputs are sheared in the jar; The limit sheared edge is with 80 gram tritosulfurons, 100 gram rimsulfurons, 3 gram xanthans, 10 gram bentonites then; Input is sheared in the jar in order, shears to make mixing of materials even in 30 minutes.Material is carried out ball milling, and below control ball mill temperature 40 degree, the discharging fineness is crossed 325 mesh sieves, promptly gets 18% tritosulfuron rimsulfuron oil-suspending agent Herbicidal combinations.
Embodiment 16
20% tritosulfuron. thifensulfuronmethyl (3:7) suspending agent
700 gram methyl oleates in the jar are sheared in suction; 55 gram MF, 27 gram AEO series, 5 Keshan potassium sorbate suction are sheared in the jar; The limit sheared edge is with 60 gram tritosulfurons, 140 gram thifensulfuronmethyls, 3 gram xanthans, 10 gram aluminium-magnesium silicates then; Input is sheared in the jar in order, shears to make mixing of materials even in 30 minutes.Material is carried out ball milling, and below control ball mill temperature 40 degree, the discharging fineness is crossed 325 mesh sieves, promptly gets 20% tritosulfuron thifensulfuronmethyl suspending agent Herbicidal combinations.
Embodiment 17
22% tritosulfuron. atrazine (1:10) water dispersible granules
With 20 gram tritosulfurons, 200 gram atrazines, 30 gram lignin, 40 gram NNO, 20 gram K12,30 gram low substituted hydroxy-propyl methylcellulose, kaolin 640 grams; Mixing laggard promoting the circulation of qi stream pulverizes; But cause ultra-fine wet-milling; But the limit adds the aqueous solution that the spray of wet-milling limit has 20 gram phenolic resins in the rotating disk that tilts, and carries out dry screened then, gets 22% tritosulfuron atrazine water dispersible granule Herbicidal combinations.
Embodiment 18
22% tritosulfuron. cyanazine (2:20) wetting powder
With tritosulfuron 20 grams, cyanazine 200 grams, naphthalenesulfonate formaldehyde condensation compound (dispersant) 40 grams; Alkylnaphthalene sulfonate formaldehyde condensation products (dispersant) 100 grams; Lauryl sodium sulfate (wetting agent) 20 grams, white carbon (filler) 50 grams, kaolin 570 grams.Stir, through comminution by gas stream, mix once more, stir, get final product 22% tritosulfuron cyanazine wetting powder Herbicidal combinations.
Embodiment 19
52.5% tritosulfuron. Simanex (1:20) water dispersible granules
With 25 gram tritosulfurons, 500 gram Simanexs, 30 gram MF, 40 gram NNO, 20 gram K12,30 gram low substituted hydroxy-propyl methylcellulose, bentonite 335 grams; Mixing laggard promoting the circulation of qi stream pulverizes; But cause ultra-fine wet-milling; But the limit adds the aqueous solution that the spray of wet-milling limit has 20 gram phenolic resins in the rotating disk that tilts, and carries out dry screened then, gets 52.5% tritosulfuron Simanex water dispersible granules Herbicidal combinations.
Embodiment 20
30% tritosulfuron. symetryne (1:4) but wet-milling
With tritosulfuron 60 grams, symetryne 240 grams, naphthalenesulfonate formaldehyde condensation compound (dispersant) 40 grams; Alkylnaphthalene sulfonate formaldehyde condensation products (dispersant) 100 grams; Lauryl sodium sulfate (wetting agent) 20 grams, white carbon (filler) 50 grams, fine particle calcium carbonate 490 grams.Stir, through comminution by gas stream, mix once more, stir, get final product 30% tritosulfuron symetryne wetting powder Herbicidal combinations.
Embodiment 21
68.68% tritosulfuron. ametryn (1:100) wetting powder
With tritosulfuron 6.8 grams, ametryn 680 grams, naphthalenesulfonate formaldehyde condensation compound (dispersant) 70 grams; Alkylnaphthalene sulfonate formaldehyde condensation products (dispersant) 100 grams; Lauryl sodium sulfate (wetting agent) 20 grams, white carbon (filler) 50 grams, kaolin 73.2 grams.Stir, through comminution by gas stream, mix once more, stir, get final product 68.68% tritosulfuron ametryn wetting powder Herbicidal combinations.
Embodiment 22
48.5% tritosulfuron. terbutryn (7:90) water dispersible granules
With 35 gram tritosulfurons, 450 gram terbutryns, 30 gram MF, 40 gram NNO, 20 gram K12,30 gram low substituted hydroxy-propyl methylcellulose, bentonite 375 grams; Mixing laggard promoting the circulation of qi stream pulverizes; But cause ultra-fine wet-milling; But the limit adds the aqueous solution that the spray of wet-milling limit has 20 gram phenolic resins in the rotating disk that tilts, and carries out dry screened then, gets 48.5% tritosulfuron terbutryn water dispersible granules Herbicidal combinations.
Embodiment 23
35% tritosulfuron. Garagard (1:6) suspending agent
550 gram methyl oleates in the jar are sheared in suction; 55 gram MF, 27 gram AEO series, 5 Keshan potassium sorbate suction are sheared in the jar; The limit sheared edge is with 50 gram tritosulfurons, 300 gram Garagards, 3 gram xanthans, 10 gram aluminium-magnesium silicates then; Input is sheared in the jar in order, shears to make mixing of materials even in 30 minutes.Material is carried out ball milling, and below control ball mill temperature 40 degree, the discharging fineness is crossed 325 mesh sieves, promptly gets 35% tritosulfuron Garagard suspending agent Herbicidal combinations.
Embodiment 24
40% tritosulfuron. 2 first, 4 chlorine (1:3) suspending agent
497 gram pure water in the jar are sheared in suction; 55 gram MF, 30 gram NPE, 5 Ke Kaisong suction are sheared in the jar; The limit sheared edge restrains 2 first, 4 chlorine, 3 gram xanthans, 10 gram bentonites with 100 gram tritosulfurons, 300 then, drops in order and shears in the jar, shears to make mixing of materials even in 30 minutes.Material is carried out ball milling, and below control ball mill temperature 40 degree, the discharging fineness is crossed 325 mesh sieves, promptly gets 40% tritosulfuron, 2 first, 4 chlorine suspending agent Herbicidal combinations.
Embodiment 25
29% tritosulfuron. 2,4-d butyl ester (9:20) suspension emulsion
With 200 grams 2,4-d butyl ester, 10 gram phenyl phenol polyoxy ethyl ethers; 4 gram alkylphenol-formaldehyde resin polyoxy ethyl ethers, 608 gram pure water, suction is sheared jar shearing evenly; 30 gram MF, 10 are restrained NPEs, and 25 gram K12 and 5 gram antifoaming agents, 5 gram formaldehyde suction are sheared in the jar, and the limit sheared edge is with 90 gram tritosulfurons, 3 gram xanthans, 10 gram bentonites then; Input is sheared in the jar in order, shears to make mixing of materials even in 30 minutes.Material is carried out ball milling, and below control ball mill temperature 40 degree, the discharging fineness is crossed 325 mesh sieves, promptly gets 29% tritosulfuron 2,4-d butyl ester herbicidal composition suspension emulsion.
Embodiment 26
21% tritosulfuron. 2,4-drips different monooctyl ester (1:20) microcapsule suspending agent
With 100 gram DMF 10 gram tritosulfurons are dissolved the back suction fully and shear jar, 2,4-drips different monooctyl ester 200 grams; NNO dispersant 40 grams, K12 wetting agent 20 grams, urea resin prepolymer 180 grams; Antifoaming agent (antifoaming agent) 3 grams slowly add initator 180 grams while stirring after the shearing, under 60 ℃ of temperature, slowly stir half an hour; Mend pure water 267 grams, stir.Get final product 21% tritosulfuron 2,4-drips different monooctyl ester microcapsule suspending agent Herbicidal combinations.
Embodiment 27
20% tritosulfuron. fluroxypyr (1:3) suspending agent
697 gram pure water in the jar are sheared in suction; 55 gram MF, 30 gram NPE, 5 Ke Kaisong suction are sheared in the jar; The limit sheared edge is with 50 gram tritosulfurons, 150 gram fluroxypyrs, 3 gram xanthans, 10 gram aluminium-magnesium silicates then; Input is sheared in the jar in order, shears to make mixing of materials even in 30 minutes.Material is carried out ball milling, and below control ball mill temperature 40 degree, the discharging fineness is crossed 325 mesh sieves, promptly gets 20% tritosulfuron fluroxypyr suspending agent Herbicidal combinations.
Embodiment 28
22% tritosulfuron. clopyralid (7:15) oil-suspending agent
685 gram methyl oleates in the jar are sheared in suction; 50 gram lignin, 27 gram AEO series, 5 Keshan potassium sorbate suction are sheared in the jar; The limit sheared edge is with 70 gram tritosulfurons, 150 gram clopyralids, 3 gram xanthans, 10 gram aluminium-magnesium silicates then; Input is sheared in the jar in order, shears to make mixing of materials even in 30 minutes.Material is carried out ball milling, and below control ball mill temperature 40 degree, the discharging fineness is crossed 325 mesh sieves, promptly gets 22% tritosulfuron clopyralid oil-suspending agent Herbicidal combinations.
Embodiment 29
36% tritosulfuron. the different monooctyl ester of fluroxypyr (1:11) suspending agent
534 gram pure water in the jar are sheared in suction; 58 gram MF, 30 grams are oozed in T, the 5 Ke Kaisong suction shearing jar; The limit sheared edge is with 30 gram tritosulfurons, the different monooctyl ester of 330 gram fluroxypyrs, 3 gram xanthans, 10 gram aluminium-magnesium silicates then; Input is sheared in the jar in order, shears to make mixing of materials even in 30 minutes.Material is carried out ball milling, and below control ball mill temperature 40 degree, the discharging fineness is crossed 325 mesh sieves, promptly gets 36% tritosulfuron fluroxypyr suspending agent Herbicidal combinations.
The effect example
Below in conjunction with FORMULATION EXAMPLE 1-29 of the present invention the effect example is provided.
The method that effect example of the present invention takes Toxicity Determination and field efficacy to combine is carried out.
The test of pesticide effectiveness adopts the cauline leaf spray-on process to carry out, and observes, writes down test data and result, calculates the preventive effect (seeing table 1-3 for details) of implementing medicament.
The method that Toxicity Determination can adopt is a lot, and the present invention adopts the cauline leaf method, but is not restricted to method of the present invention.
Supply the examination weeds
Confession is planted experimentally son earlier with 40 ℃ of water seed soakings, use dark gauze shading then, be placed in the culture dish that is covered with sponge, water is moistening to carry out vernalization, waits the seed back that shows money or valuables one carries unintentionally to sow.Test soil quantitatively is filled to 4/5 place of basin alms bowl.Adopt basin alms bowl bottom infiltrating irrigation mode, make soil fully moistening to saturation state.In soil surface, earthing 0.5cm after planting moves into the conventional cultivation in greenhouse with pretreated seed uniform broadcasting; Adopt the moisturizing of basin alms bowl bottom infiltrating irrigation mode, make soil moistening fully, place 30 ℃ of temperature; Cultivate in light/dark greenhouse than 14h/10h, after planting 10d carries out thinning and decides strain, and making weeds density is 20 strains/basin; Treat that weeds grow to the 3-4 leaf phase, carry out dispenser and handle.
Implementation method
With the seeds of weeds by per 20 as a processing, each is handled 3 times and repeats, and plants in basin.Grow to the 3-4 leaf phase of emerging and handle the usefulness of doing experiment in weeds with weeding pesticide.
The investigation method of Toxicity Determination of the present invention adopts the absolute value investigation method, according to survey data, calculates strain preventive effect that each is handled according to following formula, and result of calculation keeps behind the decimal point 2.
（1）
In the formula: E-strain preventive effect;
C-contrast weeds acrial part weeds strain number;
T-processing weeds acrial part weeds strain number.
Computational methods adopt the abundant method of Sun Yun (1960) to estimate the mixture synergism effect.Calculate mixture actual measurement toxicity index according to formula.
In
formula: ATI------mixture actual measurement toxicity index;
The EC50 of S---standard herbicide, unit are every liter (mg/L) of milligram;
The EC50 of M---mixture, unit are every liter (mg/L) of milligram.
Calculate the theoretical toxicity index of mixture according to formula
In
formula: TTI------the theoretical toxicity index of mixture;
TIA---A medicament toxicity index;
PA---the percentage composition of A medicament in mixture, unit is percentage (%);
TIB---B medicament toxicity index;
PB---the percentage composition of B medicament in mixture, unit is percentage (%).
Calculate the co-toxicity coefficient of mixture according to formula
In the formula:
CTC---co-toxicity coefficient;
ATI---mixture actual measurement toxicity index;
The theoretical toxicity index of TTI---mixture.
Composite dose co-toxicity coefficient (CTC)>=120 shows as synergistic effect; CTC≤80 show as antagonism; 80＜CTC＜120 show as summation action (seeing table 4).
The weed killer herbicide that the respectively corresponding embodiment 1-29 of preparation 1-29 among the following table 1-4 obtains.
The effect (strain preventive effect) of table 1 herbicidal composition control of maize field weed after 20 days
| Medicament | Active ingredient mu consumption (g) | Grassy weed (lady's-grass) preventive effect (%) | Broad leaved weed (three-coloured amaranth) preventive effect (%) | Sedge family preventive effect (%) | Integrated control effect (%) |
| Tritosulfuron | 2 | 46.46 | 65.39 | 60.12 | 57.32 |
| Acetochlor | 50 | 66.66 | 40.24 | 31.06 | 45.99 |
| Alachlor | 90 | 64.64 | 47.28 | 32.06 | 48.00 |
| Isopropyl methoxalamine | 100 | 67.67 | 39.23 | 37.07 | 47.99 |
| Dimethenamid | 65 | 68.68 | 48.29 | 30.06 | 49.01 |
| Efficient dimethenamid | 35 | 68.68 | 52.31 | 41.08 | 54.02 |
| Propisochlor | 120 | 58.58 | 45.27 | 37.07 | 46.97 |
| Propachlor | 100 | 68.68 | 41.25 | 42.08 | 50.67 |
| Kecaoan | 75 | 62.62 | 38.23 | 35.07 | 45.31 |
| Diphenamide | 150 | 69.69 | 40.24 | 36.07 | 48.67 |
| N-alpha-chloroacetyl-N-isopropyl-o ethylaniline | 160 | 61.61 | 39.23 | 39.08 | 46.64 |
| Flufenacet | 65 | 53.53 | 45.27 | 40.08 | 46.29 |
| Allidochlor | 200 | 67.67 | 49.29 | 45.09 | 54.02 |
| Prynachlor | 100 | 68.68 | 52.31 | 41.08 | 54.02 |
| Nicosulfuron | 4 | 67.67 | 55.33 | 28.06 | 50.35 |
| Rimsulfuron | 1.25 | 67.67 | 50.30 | 31.06 | 49.68 |
| Thifensulfuronmethyl | 1.5 | 68.68 | 46.28 | 37.07 | 50.68 |
| Atrazine | 95 | 54.54 | 60.36 | 37.07 | 50.66 |
| Cyanazine | 120 | 43.43 | 62.37 | 30.06 | 45.29 |
| Simanex | 200 | 41.41 | 59.35 | 41.08 | 47.28 |
| Symetryne | 50 | 32.32 | 54.32 | 28.06 | 38.23 |
| Ametryn | 120 | 34.34 | 60.36 | 33.07 | 42.59 |
| Terbutryn | 100 | 43.43 | 64.38 | 44.09 | 50.63 |
| Garagard | 100 | 45.45 | 65.39 | 39.08 | 49.97 |
| 2 first, 4 chlorine | 30 | 32.32 | 62.37 | 47.09 | 47.26 |
| 2, the 4-d butyl ester | 35 | 38.38 | 61.37 | 28.06 | 42.60 |
| 2, a 4-different monooctyl ester | 60 | 39.39 | 59.35 | 27.05 | 41.93 |
| Fluroxypyr | 15 | 41.41 | 60.36 | 35.07 | 45.61 |
| Clopyralid | 11.25 | 38.38 | 58.35 | 28.06 | 41.59 |
| The different monooctyl ester of fluroxypyr | 13 | 35.35 | 63.38 | 29.06 | 42.60 |
| Preparation 1 | 27 | 74.74 | 67.40 | 65.13 | 69.09 |
| Preparation 2 | 47 | 78.78 | 60.36 | 46.09 | 61.74 |
| Preparation 3 | 39.5 | 84.84 | 67.40 | 65.13 | 72.46 |
| Preparation 4 | 34.5 | 89.89 | 59.35 | 69.14 | 72.79 |
| Preparation 5 | 19.5 | 88.88 | 68.41 | 63.13 | 73.47 |
| Preparation 6 | 62 | 88.88 | 72.43 | 74.15 | 78.49 |
| Preparation 7 | 52 | 78.78 | 65.39 | 70.14 | 71.44 |
| Preparation 8 | 39.5 | 88.88 | 61.37 | 75.15 | 75.13 |
| Preparation 9 | 77 | 82.82 | 58.35 | 68.14 | 69.77 |
| Preparation 10 | 82 | 89.89 | 60.36 | 69.14 | 73.13 |
| Preparation 11 | 34.5 | 81.81 | 59.35 | 72.14 | 71.10 |
| Preparation 12 | 102 | 73.73 | 65.39 | 73.15 | 70.76 |
| Preparation 13 | 52 | 87.87 | 69.41 | 78.16 | 78.48 |
| Preparation 14 | 4 | 88.88 | 72.43 | 74.15 | 78.49 |
| Preparation 15 | 2.625 | 87.87 | 75.45 | 61.12 | 74.81 |
| Preparation 16 | 2.75 | 87.87 | 70.42 | 64.13 | 74.14 |
| Preparation 17 | 49.5 | 98.98 | 66.40 | 70.14 | 78.51 |
| Preparation 18 | 62 | 74.74 | 78.47 | 70.14 | 74.45 |
| Preparation 19 | 102 | 63.63 | 80.48 | 63.13 | 69.08 |
| Preparation 20 | 27 | 61.61 | 77.46 | 74.15 | 71.07 |
| Preparation 21 | 62 | 52.52 | 72.43 | 61.12 | 62.02 |
| Preparation 22 | 52 | 54.54 | 78.47 | 66.13 | 66.38 |
| Preparation 23 | 52 | 63.63 | 82.49 | 77.15 | 74.43 |
| Preparation 24 | 17 | 65.65 | 83.50 | 72.14 | 73.76 |
| Preparation 25 | 19.5 | 52.52 | 80.48 | 80.16 | 71.05 |
| Preparation 26 | 32 | 58.58 | 79.47 | 61.12 | 66.39 |
| Preparation 27 | 9.5 | 59.59 | 77.46 | 60.12 | 65.72 |
| Preparation 28 | 7.625 | 61.61 | 78.47 | 68.14 | 69.40 |
| Preparation 29 | 8.5 | 58.58 | 76.46 | 61.12 | 65.39 |
The effect (strain preventive effect) of table 2 herbicidal composition control of maize field weed after 40 days
| Medicament | Active ingredient mu consumption (g) | Grassy weed (lady's-grass) preventive effect (%) | Broad leaved weed (three-coloured amaranth) preventive effect (%) | Sedge family preventive effect (%) | Integrated control effect (%) |
| Tritosulfuron | 2 | 54.54 | 76.76 | 72.65 | 67.98 |
| Acetochlor | 50 | 76.76 | 40.40 | 31.28 | 49.48 |
| Alachlor | 90 | 74.74 | 47.47 | 32.29 | 51.50 |
| Isopropyl methoxalamine | 75 | 77.77 | 39.39 | 37.33 | 51.50 |
| Dimethenamid | 65 | 78.78 | 48.48 | 30.27 | 52.51 |
| Efficient dimethenamid | 35 | 78.78 | 52.52 | 41.37 | 57.56 |
| Propisochlor | 120 | 68.68 | 45.45 | 37.33 | 50.49 |
| Propachlor | 100 | 78.78 | 41.41 | 42.38 | 54.19 |
| Kecaoan | 75 | 72.72 | 38.38 | 35.32 | 48.81 |
| Diphenamide | 150 | 79.79 | 40.40 | 36.32 | 52.17 |
| N-alpha-chloroacetyl-N-isopropyl-o ethylaniline | 160 | 71.71 | 39.39 | 39.35 | 50.15 |
| Flufenacet | 65 | 63.63 | 45.45 | 40.36 | 49.81 |
| Allidochlor | 200 | 77.77 | 49.49 | 45.41 | 57.56 |
| Prynachlor | 100 | 78.78 | 52.52 | 41.37 | 57.56 |
| Nicosulfuron | 4 | 77.77 | 55.55 | 28.25 | 53.86 |
| Rimsulfuron | 1.25 | 77.77 | 50.50 | 31.28 | 53.18 |
| Thifensulfuronmethyl | 1.5 | 78.78 | 46.46 | 37.33 | 54.19 |
| Atrazine | 95 | 54.54 | 72.72 | 37.33 | 54.86 |
| Cyanazine | 120 | 43.43 | 74.74 | 30.27 | 49.48 |
| Simanex | 200 | 41.41 | 71.71 | 41.37 | 51.50 |
| Symetryne | 50 | 32.32 | 66.66 | 28.25 | 42.41 |
| Ametryn | 120 | 34.34 | 72.72 | 33.30 | 46.79 |
| Terbutryn | 100 | 43.43 | 76.76 | 44.40 | 54.86 |
| Garagard | 100 | 45.45 | 77.77 | 39.35 | 54.19 |
| 2 first, 4 chlorine | 30 | 32.32 | 74.74 | 47.42 | 51.49 |
| 2, the 4-d butyl ester | 35 | 38.38 | 73.73 | 28.25 | 46.79 |
| 2, a 4-different monooctyl ester | 60 | 39.39 | 71.71 | 27.24 | 46.11 |
| Fluroxypyr | 15 | 41.41 | 72.72 | 35.32 | 49.82 |
| Clopyralid | 11.25 | 38.38 | 70.70 | 28.25 | 45.78 |
| The different monooctyl ester of fluroxypyr | 13 | 35.35 | 75.75 | 29.26 | 46.79 |
| Preparation 1 | 27 | 95.95 | 99.87 | 84.58 | 93.47 |
| Preparation 2 | 47 | 96.96 | 83.22 | 85.60 | 88.60 |
| Preparation 3 | 39.5 | 94.94 | 90.51 | 90.70 | 92.05 |
| Preparation 4 | 34.5 | 97.97 | 86.34 | 83.57 | 89.29 |
| Preparation 5 | 19.5 | 98.98 | 91.55 | 94.78 | 95.10 |
| Preparation 6 | 62 | 98.98 | 95.71 | 90.70 | 95.13 |
| Preparation 7 | 52 | 88.88 | 88.43 | 95.79 | 91.03 |
| Preparation 8 | 39.5 | 98.98 | 84.26 | 88.66 | 90.64 |
| Preparation 9 | 77 | 92.92 | 88.43 | 89.68 | 90.34 |
| Preparation 10 | 82 | 98.98 | 83.22 | 92.74 | 91.65 |
| Preparation 11 | 34.5 | 91.91 | 87.39 | 93.76 | 91.02 |
| Preparation 12 | 102 | 83.83 | 88.43 | 98.85 | 90.37 |
| Preparation 13 | 52 | 97.97 | 92.59 | 94.78 | 95.11 |
| Preparation 14 | 4 | 98.98 | 95.71 | 81.53 | 92.07 |
| Preparation 15 | 2.625 | 97.97 | 98.83 | 84.58 | 93.79 |
| Preparation 16 | 2.75 | 97.97 | 93.63 | 90.70 | 94.10 |
| Preparation 17 | 49.5 | 98.98 | 89.47 | 90.70 | 93.05 |
| Preparation 18 | 62 | 97.97 | 95.71 | 83.57 | 92.41 |
| Preparation 19 | 102 | 91.20 | 94.94 | 94.78 | 93.64 |
| Preparation 20 | 27 | 89.08 | 91.91 | 90.70 | 90.56 |
| Preparation 21 | 62 | 92.26 | 86.86 | 86.62 | 88.58 |
| Preparation 22 | 52 | 91.20 | 92.92 | 97.83 | 93.99 |
| Preparation 23 | 52 | 91.20 | 96.96 | 92.74 | 93.63 |
| Preparation 24 | 17 | 93.32 | 97.97 | 98.85 | 96.72 |
| Preparation 25 | 19.5 | 94.38 | 94.94 | 81.53 | 90.28 |
| Preparation 26 | 32 | 90.14 | 93.93 | 87.64 | 90.57 |
| Preparation 27 | 9.5 | 93.32 | 91.91 | 88.66 | 91.30 |
| Preparation 28 | 7.625 | 92.26 | 92.92 | 86.62 | 90.60 |
| Preparation 29 | 8.5 | 94.38 | 90.90 | 87.64 | 90.98 |
The effect (fresh weight preventive effect) of table 3 herbicidal composition control of maize field weed after 40 days
| Medicament | Active ingredient mu consumption (g) | Grassy weed (lady's-grass) preventive effect (%) | Broad leaved weed (three-coloured amaranth) preventive effect (%) | Sedge family preventive effect (%) | Integrated control effect (%) |
| Tritosulfuron | 2 | 55.08 | 78.28 | 74.16 | 69.17 |
| Acetochlor | 50 | 77.52 | 41.20 | 31.93 | 50.22 |
| Alachlor | 90 | 75.48 | 48.41 | 32.96 | 52.28 |
| Isopropyl methoxalamine | 75 | 78.54 | 40.17 | 38.11 | 52.27 |
| Dimethenamid | 65 | 79.56 | 49.44 | 30.90 | 53.30 |
| Efficient dimethenamid | 35 | 79.56 | 53.56 | 42.23 | 58.45 |
| Propisochlor | 120 | 69.36 | 46.35 | 38.11 | 51.27 |
| Propachlor | 100 | 79.56 | 42.23 | 43.26 | 55.02 |
| Kecaoan | 75 | 73.44 | 39.14 | 36.05 | 49.54 |
| Diphenamide | 150 | 80.58 | 41.20 | 37.08 | 52.95 |
| N-alpha-chloroacetyl-N-isopropyl-o ethylaniline | 160 | 72.42 | 40.17 | 40.17 | 50.92 |
| Flufenacet | 65 | 64.26 | 46.35 | 41.20 | 50.60 |
| Allidochlor | 200 | 78.54 | 50.47 | 46.35 | 58.45 |
| Prynachlor | 100 | 79.56 | 53.56 | 42.23 | 58.45 |
| Nicosulfuron | 4 | 78.54 | 56.65 | 28.84 | 54.68 |
| Rimsulfuron | 1.25 | 78.54 | 51.50 | 31.93 | 53.99 |
| Thifensulfuronmethyl | 1.5 | 79.56 | 47.38 | 38.11 | 55.02 |
| Atrazine | 95 | 55.08 | 74.16 | 38.11 | 55.78 |
| Cyanazine | 120 | 43.86 | 76.22 | 30.90 | 50.33 |
| Simanex | 200 | 41.82 | 73.13 | 42.23 | 52.39 |
| Symetryne | 50 | 32.64 | 67.98 | 28.84 | 43.15 |
| Ametryn | 120 | 34.68 | 74.16 | 33.99 | 47.61 |
| Terbutryn | 100 | 43.86 | 78.28 | 45.32 | 55.82 |
| Garagard | 100 | 45.90 | 79.31 | 40.17 | 55.13 |
| 2 first, 4 chlorine | 30 | 32.64 | 76.22 | 48.41 | 52.42 |
| 2, the 4-d butyl ester | 35 | 38.76 | 75.19 | 28.84 | 47.60 |
| 2, a 4-different monooctyl ester | 60 | 39.78 | 73.13 | 27.81 | 46.91 |
| Fluroxypyr | 15 | 41.82 | 74.16 | 36.05 | 50.68 |
| Clopyralid | 11.25 | 38.76 | 72.10 | 28.84 | 46.57 |
| The different monooctyl ester of fluroxypyr | 13 | 35.70 | 77.25 | 29.87 | 47.61 |
| Preparation 1 | 27 | 96.90 | 98.88 | 85.49 | 93.76 |
| Preparation 2 | 47 | 97.92 | 82.40 | 86.52 | 88.95 |
| Preparation 3 | 39.5 | 95.88 | 89.61 | 91.67 | 92.39 |
| Preparation 4 | 34.5 | 98.94 | 85.49 | 84.46 | 89.63 |
| Preparation 5 | 19.5 | 99.96 | 90.64 | 95.79 | 95.46 |
| Preparation 6 | 62 | 99.96 | 94.76 | 91.67 | 95.46 |
| Preparation 7 | 52 | 89.76 | 87.55 | 96.82 | 91.38 |
| Preparation 8 | 39.5 | 99.96 | 83.43 | 89.61 | 91.00 |
| Preparation 9 | 77 | 93.84 | 87.55 | 90.64 | 90.68 |
| Preparation 10 | 82 | 99.96 | 82.40 | 93.73 | 92.03 |
| Preparation 11 | 34.5 | 92.82 | 86.52 | 94.76 | 91.37 |
| Preparation 12 | 102 | 84.66 | 87.55 | 99.91 | 90.71 |
| Preparation 13 | 52 | 98.94 | 91.67 | 95.79 | 95.47 |
| Preparation 14 | 4 | 99.96 | 94.76 | 82.40 | 92.37 |
| Preparation 15 | 2.625 | 98.94 | 97.85 | 85.49 | 94.09 |
| Preparation 16 | 2.75 | 98.94 | 92.70 | 91.67 | 94.44 |
| Preparation 17 | 49.5 | 99.96 | 88.58 | 91.67 | 93.40 |
| Preparation 18 | 62 | 98.94 | 94.76 | 84.46 | 92.72 |
| Preparation 19 | 102 | 87.72 | 96.82 | 95.79 | 93.44 |
| Preparation 20 | 27 | 85.68 | 93.73 | 91.67 | 90.36 |
| Preparation 21 | 62 | 88.74 | 88.58 | 87.55 | 88.29 |
| Preparation 22 | 52 | 87.72 | 94.76 | 98.88 | 93.79 |
| Preparation 23 | 52 | 87.72 | 98.88 | 93.73 | 93.44 |
| Preparation 24 | 17 | 89.76 | 99.91 | 99.91 | 96.53 |
| Preparation 25 | 19.5 | 90.78 | 96.82 | 82.40 | 90.00 |
| Preparation 26 | 32 | 86.70 | 95.79 | 88.58 | 90.36 |
| Preparation 27 | 9.5 | 89.76 | 93.73 | 89.61 | 91.03 |
| Preparation 28 | 7.625 | 88.74 | 94.76 | 87.55 | 90.35 |
| Preparation 29 | 8.5 | 90.78 | 92.70 | 88.58 | 90.69 |
Table 4 is implemented medicament to weeds synergy situation
| Medicament | Virulence regression equation | Correlation coefficient | SE(B) | The actual measurement toxicity index | Theoretical toxicity index | Co-toxicity coefficient |
| Embodiment 1 | Y=1.4289X+1.5782 | 0.9909 | 0.224 | 16.23 | 8.81 | 184.21 |
| Embodiment 2 | Y=1.4429X+1.6172 | 0.9912 | 0.2196 | 18.22 | 13.04 | 139.72 |
| Embodiment 3 | Y=1.7695X+1.3293 | 0.9912 | 0.2175 | 33.93 | 17.28 | 196.35 |
| Embodiment 4 | Y=1.7305X+1.3474 | 0.9921 | 0.2165 | 32.37 | 25.76 | 125.66 |
| Embodiment 5 | Y=0.8925X+3.1744 | 0.9931 | 0.1605 | 84.38 | 50.36 | 167.55 |
| Embodiment 6 | Y=0.9274X+3.0591 | 0.9938 | 0.1614 | 75.67 | 55.36 | 136.67 |
| Embodiment 7 | Y=1.1402X+2.8342 | 0.982 | 0.1662 | 118.09 | 60.36 | 195.63 |
| Embodiment 8 | Y=1.0639X+2.9099 | 0.9972 | 0.164 | 101.69 | 65.36 | 155.58 |
| Embodiment 9 | Y=1.1235X+2.8611 | 0.9879 | 0.1658 | 116.93 | 70.36 | 166.17 |
| Embodiment 10 | Y=1.1430X+2.7463 | 0.9978 | 0.1658 | 92.88 | 27.86 | 333.39 |
| Embodiment 11 | Y=1.2623X+2.5305 | 0.9916 | 0.1689 | 84.17 | 58.20 | 144.63 |
| Embodiment 12 | Y=1.2528X+2.9893 | 0.9951 | 0.1898 | 126.59 | 57.21 | 221.27 |
| Embodiment 13 | Y=1.4044X+1.5977 | 0.9969 | 0.1927 | 110.19 | 81.02 | 136.00 |
| Embodiment 14 | Y=1.3054X+1.5978 | 0.9946 | 0.179 | 125.43 | 72.71 | 172.51 |
| Embodiment 15 | Y=1.2043X+1.7979 | 0.9953 | 0.1838 | 101.38 | 79.44 | 127.62 |
| Embodiment 16 | Y=1.1045X+1.8980 | 0.9835 | 0.1816 | 92.67 | 64.15 | 144.46 |
| Embodiment 17 | Y=1.4054X+1.9981 | 0.9987 | 0.1834 | 135.09 | 63.16 | 213.88 |
| Embodiment 18 | Y=1.5054X+1.9782 | 0.9894 | 0.1834 | 118.69 | 86.97 | 136.47 |
| Embodiment 19 | Y=1.0639X+2.9099 | 0.9972 | 0.164 | 108.57 | 79.78 | 167.89 |
| Embodiment 20 | Y=2.6409+4.0112X | 0.9955 | 0.4243 | 84.38 | 50.36 | 167.55 |
| Embodiment 21 | Y=2.8467+4.0859X | 0.9919 | 0.4265 | 75.67 | 55.36 | 136.67 |
| Embodiment 22 | Y=-3.3398+4.4354X | 0.995 | 0.4377 | 118.09 | 60.36 | 195.63 |
| Embodiment 23 | Y=-3.1890+4.3242X | 0.9839 | 0.4306 | 101.69 | 65.36 | 155.58 |
| Embodiment 24 | Y=-1.6535+3.4783X | 0.9944 | 0.4102 | 116.93 | 70.36 | 166.17 |
| Embodiment 25 | Y=-1.4747+3.3670X | 0.9973 | 0.4078 | 89.40 | 53.76 | 159.70 |
| Embodiment 26 | Y=4.3189x-3.1756 | 0.9942 | 0.4326 | 80.69 | 58.76 | 218.66 |
| Embodiment 27 | Y=4.0533x-2.6989 | 0.9951 | 0.4253 | 123.11 | 63.76 | 178.61 |
| Embodiment 28 | Y=1.1402X+2.8342 | 0.982 | 0.1662 | 106.71 | 68.76 | 189.20 |
| Embodiment 29 | Y=3.4769x-1.7404 | 0.9823 | 0.4091 | 121.95 | 73.76 | 182.73 |
1-3 can find out that the effect of herbicidal composition control of maize field weed of the present invention has remarkable advantages than the effect of each single agent by table, has improved preventive effect greatly and has reduced the mu consumption, and two types of composite can expansions of herbicidal active compounds kill the grass spectrum; Can find out that by table 4 the composite co-toxicity coefficient of this herbicidal composition explains that greater than 120 its composite effect that Synergistic is arranged has feasibility.
The present invention has done detailed description with general explanation and specific embodiments to the present invention, but on basis of the present invention, can to some modifications of do and improvement, this is apparent to those skilled in the art.Therefore, these modifications and the improvement on the basis of not departing from spirit of the present invention, made all belong to the scope that requirement of the present invention is protected.
Claims (5)
1. a Herbicidal combinations is characterized in that, comprises A component and B component as active component, and wherein the A component is a tritosulfuron, and the B component is to be selected from following one or more compound: Acetochlor, alachlor, isopropyl methoxalamine; Dimethenamid, efficient dimethenamid, propisochlor, propachlor, kecaoan, diphenamide, N-alpha-chloroacetyl-N-isopropyl-o ethylaniline; Flufenacet, allidochlor, prynachlor, nicosulfuron, rimsulfuron, thifensulfuronmethyl, atrazine; Cyanazine, Simanex, symetryne, ametryn, terbutryn, Garagard, 2 first, 4 chlorine; 2, the 4-d butyl ester, 2,4-drips different monooctyl ester, fluroxypyr, clopyralid, the different monooctyl ester of fluroxypyr.
2. Herbicidal combinations as claimed in claim 1 is characterized in that, the mass ratio of A, B component is 1:0.1-140.
3. Herbicidal combinations as claimed in claim 2 is characterized in that, the mass ratio of A, B component is 1:0.5-100.
4. the described Herbicidal combinations of one of claim 1-3 is used for suppressing the growth of plant growth weeds, it is characterized in that, described crop is a corn.
5. Herbicidal combinations as claimed in claim 4 is used for suppressing the growth of plant growth weeds, it is characterized in that, described weeds are annual or perennial grass family, broad-leaved and sedge weed.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104106588A (en) * | 2014-03-29 | 2014-10-22 | 山东先达农化股份有限公司 | Wheat field herbicide composition |
| CN104137841A (en) * | 2014-08-04 | 2014-11-12 | 安徽美兰农业发展股份有限公司 | Fluroxypyr-mepthyl, 2,4-D isooctyl ester and florasulam compound suspending agent |
| CN104871883A (en) * | 2015-06-04 | 2015-09-02 | 吉林省农业科学院 | Chemical weeding method for dry crops based on drip irrigation under film |
| CN105746528A (en) * | 2016-03-31 | 2016-07-13 | 太仓市新华粮食生产专业合作社 | Weed killer composition |
| CN106259368A (en) * | 2016-08-16 | 2017-01-04 | 安徽丰乐农化有限责任公司 | A kind of corn field complex weedicide containing isoxazole oxadiazon |
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| CN1338208A (en) * | 1995-09-20 | 2002-03-06 | 巴斯福股份公司 | Herbicidal mixture with enhancing activity |
| EP2052610A1 (en) * | 2007-10-24 | 2009-04-29 | Bayer CropScience AG | Herbicide combination |
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| US5488029A (en) * | 1992-02-28 | 1996-01-30 | Basf Aktiengesellschaft | Herbicidal N- [1,3,5-riazin-2-yl)-aminocarbonyl]-benzenesulfonamides |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104106588A (en) * | 2014-03-29 | 2014-10-22 | 山东先达农化股份有限公司 | Wheat field herbicide composition |
| CN104137841A (en) * | 2014-08-04 | 2014-11-12 | 安徽美兰农业发展股份有限公司 | Fluroxypyr-mepthyl, 2,4-D isooctyl ester and florasulam compound suspending agent |
| CN104871883A (en) * | 2015-06-04 | 2015-09-02 | 吉林省农业科学院 | Chemical weeding method for dry crops based on drip irrigation under film |
| CN105746528A (en) * | 2016-03-31 | 2016-07-13 | 太仓市新华粮食生产专业合作社 | Weed killer composition |
| CN106259368A (en) * | 2016-08-16 | 2017-01-04 | 安徽丰乐农化有限责任公司 | A kind of corn field complex weedicide containing isoxazole oxadiazon |
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