CN102771509A - Herbicide composition containing clacyfos - Google Patents
Herbicide composition containing clacyfos Download PDFInfo
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- CN102771509A CN102771509A CN2012102560719A CN201210256071A CN102771509A CN 102771509 A CN102771509 A CN 102771509A CN 2012102560719 A CN2012102560719 A CN 2012102560719A CN 201210256071 A CN201210256071 A CN 201210256071A CN 102771509 A CN102771509 A CN 102771509A
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Abstract
The invention relates to an herbicide composition containing clacyfos. The 100% of herbicide composition comprises an ingredient A, one or more of an ingredient B and the balance, wherein the ingredient A is the clacyfos, the ingredient B is selected from one or more effective ingredients including flucarbazone, pyraflufen-ethyl, florasulam, flumetsulam, pyroxsulam, 2,4-D butyl ester, fenoxaprop-p-ethyl, barban, bensulfuron-methyl, pinoxaden, chlortoluron, thifensulfuron, mesosulfuron or sodium metsulfuron methyl iodide, and the balance includes a dispersing agent, a wetting agent, a stabilizing agent, a thickening agent and a solvent. The weight ratio of the ingredient A to the ingredient B is 1:160-160:1. Two groups of active substance can be compounded to effectively prevent and control annual or perennial broadleaf gramineous weeds in wheat fields. The herbicide composition can improve preventive effects of simple dosages and enlarge weeding spectrum and is safe to wheat.
Description
Technical field
The present invention relates to a kind of composition pesticide.A kind of specifically weed killer herbicide synergistic composition that contains chlorine acyl grass phosphine active ingredient belongs to the pesticidal preparations field.
Background technology
Wheat is the most important cereal crops of northern China, concerning the grain security of national economy and country.Annual national cultivated area mainly concentrates on the Yellow River and Huai He River ocean current territory and the Yangtze river basin at 2,500 ten thousand hectares.In recent years, along with the downslide of rape price and constantly riseing of wheat price, the cultivated area of wheat has the trend that increases year by year.According to investigation, China's wheat weeds hazard area accounts for more than 55% of wheat area, endangers serious area mid-term and accounts for about 28%, and loss accounts for 15% of wheat gross yield.There are common weeds in wheat field A.aequalis, Japan A.aequalis, Wang grass, Polypogon grass and hard grass, bluegrass, candles grass, wild oats, brome, poison wheat, rice Croucher vegetables, mountain Kumai, mud Hu dishes, Sonchus year Peng, Cephalanoplos, chickweed, chickweed cattle, cocklebur, Mak public, Vetch, Vicia angustifolia, widely distributed wild peas, vetch, shepherd's purse, broken rice chestnut, speedwell, Persian speedwell, Noe stork grass.Therefore, chemical weed control has become the control weeds, retrieves one of main method of grain yield.
Chlorine acyl grass phosphine is a kind of new herbicides with independent intellectual property right by China's original creation of China.This composition is to be developed by Central China Normal University, belongs to substituent phenoxy acetyl group hydroxyl phosphate compound, is the potent inhibitor of pyruvate dehydrogenase system.This compound in March, 2012 obtain the International Organization for Standardization agricultural chemicals naming technique committee ratify temporarily its general Clacyfos. by name have novel structure, active high, kill characteristics such as careless spectrum width, interior absorption are strong; And have low toxicity, low-residual, environmentally safe characteristics.Can effectively prevent and kill off the broad leaved weed and the part monocotyledon weed in corn, wheat, tea place, orchard.But chlorine acyl grass phosphine uses separately its inevitable shortcoming being arranged, is not fine like the effect to corn gromwell and clearvers, and speed is slow.
Fluorine azoles sulphur is grand, 1H-1,2,4-triazole-1-carbamyl-4,5-2H-3-methoxyl group-4-methyl-5-O-N-[[2-(trifluoro methoxy) benzene] sulphonyl]-sodium salt.Be the efficient wheat paddock weed killer herbicide of sulfonylurea internal-suction type, grassy weeds such as wild oat, bromegrass, amur foxtail and multiple broadleaf weed are had obvious preventive effect.Its import name is called young tiger tiger, is a kind of brand-new compound, and its active ingredient can be absorbed by the root of weeds and cauline leaf, through suppressing the activity of acetolactate synthestase in the weeds body, destroys the normal Physiological and Biochemical Metabolism of weeds and brings into play activity of weeding.In tillering stage before the winter, weeds are not more than the use of 2 leaf phases, 3 gram/mus+10 gram auxiliary agents (tribenuron-methyl); Spring the wheat period of seedling establishment, the weeds 4-5 leaf phase uses, but winter, result of use was superior to the effect in spring
Pyrrole grass ether, 2-chloro-5-(4-chloro-5-difluoro-methoxy-1-methylpyrazole-3-yl)-4-fluorophenoxy ethyl acetate. other titles: pyrrole grass ether; The spirit of speed grass; Red panacea; Pyrrole fluorobenzene grass ester.This medicine is the phenylpyrazole class herbicide after seedling of tagging property; Its mechanism of action is protoporphyrin 4 oxidase that suppress in the plant corpus; And utilize wheat and weeds to the metabolite of the different activities that difference produces of medicine absorption and deposition, reach the effect of optionally preventing and treating the wheatland weeds.Cauline leaf can be absorbed rapidly in the plant tissue after handling, and makes the rapid necrosis of plant or under illumination condition, makes the cauline leaf dehydration withered.But all medications behind the Miao Qianmiao, early time treatment better effects if behind the seedling.
Florasulam: 2', 6'-two fluoro-5-ethyoxyl-8-fluorine [1,2,4] triazole [1,5-C] pyrimidine-2-sulfonanilides.Being triazolopyrimidine sulfonamides super-high-efficient weed killer herbicide, is a kind of inner sucting conduction type weed killer herbicide, can conduct to the weeds complete stool, thereby kills grass thoroughly, can not recur.Efficacy stability at low temperatures, even in the time of 2 ℃, still can guarantee to stablize drug effect, this point is that other weed killer herbicides are incomparable.Be used for wheat paddock and prevent and kill off broad leaved weed.Broad weed-killing spectrum can be prevented and kill off the most of broad leaved weeds of wheatland, comprises difficult anti-weeds such as clearvers (Rubiaceae), corn gromwell (Boraginaceae), and the most difficult wartwort of preventing and kill off (Euphorbiaceae) in the wheatland is had extraordinary inhibitory action.
Flumetsulam belongs to triazolopyrimidine sulfonamides, is typical inhibitor of acetolactate synthetase.The synthetic protein synthesis that makes through suppressing branched-chain amino acid is obstructed, and plant stops growing.Long, broad weed-killing spectrum of the longevity of residure, soil, cauline leaf are handled and all can.Prevent and treat life in 1 year and perennial broadleaf weed such as meadow pine (joint bone grass), shepherd's purse, wallflower, pepper grass, descurainia sophia (l.) webb ex prantl (wheat wormwood artemisia), knotweed, Veronica (quilt wadding), Siberian cocklebur (old ground), black nightshade (bryony), Amaranthus retroflexus (three-coloured amaranth), lamb's-quarters (grey dish), piemarker (fiber crops fruit), clearvers (puckery uprooting plants after their edible portions have been harvested), datura etc.Children grassy weed in age also there is certain inhibitory action.
Pyridine sulphur grass amine; Prevent and kill off the wheat paddock grassy weed sulfonamides herbicide of double anti-broad leaved weed simultaneously; Grassy weeds such as bromegrass, amur foxtail, Japanese amur foxtail (comprising resistance amur foxtail, resistance Japan amur foxtail), hard grass there is good preventive effect, simultaneously broad leaved weeds such as Veronica, Carolina Cranesbill Herb is had preventive effect preferably.
2, the 4-d butyl ester is the hormone-type selective herbicide.Have stronger interior suction conductivity, drug effect is high, under low concentration very (< 0.01%) can suppress plant normal growth and grow, deformity appears, until death.Cauline leaf is handled after being mainly used in seedling, and plate-out ability is good, and permeability is strong, is prone to get in the plant corpus, is difficult for by rain drop erosion, and is responsive to broadleaf weed, to cereal crop safety.
FenoxapropPethyl belongs to heterocyclic oxy group phenoxy propionic acid class weed killer herbicide, mainly is through synthetic key enzyme one acetyl-CoA carboxylase of inhibition fatty acid, thereby has suppressed the synthetic of fatty acid.Medicament absorbs the growing point that conducts to meristematic tissue and root through cauline leaf, and effect stopped growing after the dispenser rapidly in 2-3 days, 5-6 days lobus cardiacus chlorosis purpling looks, and meristematic tissue browning look, blade is withered gradually, is the extremely strong cauline leaf inorganic agent of selectivity.Be mainly used in and prevent and kill off wild oat, amur foxtail, green foxtail, oat, perennial ryegrass, annual bluegrass, barnyard grass grass, spontaneous corn, lady's-grass etc.
The oat fear claims that again triallate, triallate or A Wei reach, and is selective herbicide before a kind of carbamates bud.Be mainly used in and prevent and kill off wild oat.Low toxicity.Amur foxtail and annual bluegrass also there is control action preferably.
Bensulfuron-methyl, sulfonylurea selectivity inner sucting conduction type weed killer herbicide.Medicament is diffusion rapidly in water, after weeds root and blade absorption, transfers to other position, hinders the branched-chain amino acid biosynthesis.The susceptible weeds GF is obstructed, tender tissue turns to be yellow too early, suppresses leaf portion, root growth.Use at wheatland, can effectively prevent and kill off broad leaved weeds such as clearvers, chickweed, Hairy Bittercress, descurainia sophia (l.) webb ex prantl, shepherd's purse, common vetch, lamb's-quarters, every mu of usefulness 10% bensulfuron-methyl 30-40 gram adds water spray when weeds 2-3 leaf phase, soil humidity usually.
Azoles quinoline grass ester, azoles quinoline grass ester is an acetyl-CoA carboxylase inhibitor class weed killer herbicide, and medicine can be absorbed by grass cutting blade, conducts to meristematic tissue then, and the lipid that suppresses somatoblast is synthetic, causes weeds dead.48 hours susceptible weeds stop growing after the general dispenser, and grass cutting blade begins jaundice in 1～2 week, and weeds are thoroughly dead in 3～4 weeks.The reaction velocity that weeds are injured after the dispenser is relevant with weather conditions, weeds kind, growth conditions etc.This medicine is safe to barley.(low temperature or high humidity) dispenser under the bad climate condition, temporary transient chlorosis symptom may appear in barley leaves, does not grow and ultimate output but do not influence its normal growth.Medicine is fast in degraded in soil, is seldom absorbed by root, has only very low soil activation, and succession crop is not had influence.Resistance of rainwater washing against, 1 hour chance rain does not influence herbicidal effect basically after the dispenser.Can effectively control ryegrass, wild oats, green foxtail, Alopecurus, Japan A.aequalis hard grass, Wang grass, Polypogon grass and other weeds.
Chlortoluron is to inhale in the selectivity root, and there is the weed killer herbicide of action of contace poison on the blade face.Act on slowlyer, the lasting period is more than 70 days.Prevent and kill off multiple grass family and broad leaved weeds such as amur foxtail, annual bluegrass, wild oat, chickweed, clearvers, lamb's-quarters, Veronica.Invalid to weeds such as field bindweed, meadow pine, high mallows.
Thifensulfuronmethyl, sulfonylurea herbicide, 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.Wheat, 2 leaf phases of barley, weeds all sprouted to 2～4 leaf phases before booting, did outstanding agent 0.25～0.41g/100m with 75%
2, to water 4.5kg, adding the non-ionic surface active agent of liquid measure 0.2%, the cauline leaf spraying is handled.
Methyl two sulphurs are grand: sulfonylurea herbicide, and the inner sucting conduction type weed killer herbicide can be weeds cauline leaf and root and absorbs; In plant corpus, conduct subsequently; Through amino acid whose biosynthesis in the inhibition plant corpus, and it is green to cause sensitive plant growth retardation, cauline leaf to move back, and 15-30 days weeds are dead after the dispenser.Can prevent and kill off winter wheat, spring wheat, hard wheat field grassy weed and part broad leaved weed after adding safener (mefenpyrdiethyl).As: see and sell ma, wild oat, hard grass, annual bluegrass, caput grass, bromegrass, descurainia sophia (l.) webb ex prantl, ox chickweed, shepherd's purse etc.
Methyl iodide sulphur swells sodium salt: sulfonylurea herbicide, inhibitor of acetolactate synthetase.Weeds receive medicine rear blade thickening, embrittlement, lobus cardiacus jaundice, growth inhibition, and 10 days withered, dead gradually later on.Mainly prevent and kill off broad leaved weed (clearvers, german chamomile) and part grassy weed (Herba Eragrostidis ferrugineae, wild oat and annual bluegrass).
At present domestic application and the registration situation that still should not invent the herbicidal composition patent.
Summary of the invention
Main purpose of the present invention is seminar's compound (A) and the composite herbicidal composition synergistic formula of composition (B).This herbicidal composition can significantly improve preventive effect, enlarges herbicidal spectrum, increases safety, reduces poisoning, thereby overcomes the deficiency of each weed killer herbicide list agent.
Below be main contents of the present invention:
Said composition is characterised in that and comprises in active principle (A) and the component (B) one or more; Wherein component (A) is a compound chlorine acyl grass phosphine, and chemical name is: 0, and 0-dimethyl-1-(2; 4 dichlorophenoxy acetoxyl groups) ethyl phosphonate, molecular formula is: C12H15Cl2O6P.Component (B) is selected from following one or more active ingredients: fluorine azoles sulphur is grand, the careless ether of pyrrole, florasulam, Flumetsulam, pyridine sulphur grass amine, 2, and 4-d butyl ester, fenoxapropPethyl, oat fear, bensulfuron-methyl, azoles quinoline grass ester, chlortoluron, thifensulfuronmethyl, methyl two sulphurs are grand or the grand sodium salt of methyl iodide sulphur; All the other complement to 100% with dispersant, wetting agent, stabilizing agent, thickener and solvent.
Two groups of composite annual and perennial broad-leaved, grass family and the sedge weeds that can effectively prevent and treat the wheat crop field of active substance.Such as: sophia, quinoa, shepherd's purse, Mak public, wheat grass bottles, Veronica persica, Cephalanoplos, cleavers, chickweed, Vetch, foxtail, wild oats, Ae, brome , Wang grass, Daji and so on.This herbicidal composition can improve the preventive effect of each single agent greatly, enlarges herbicidal spectrum, and to wheat safety.
In the composition of the present invention, the ratio of component (A) and component (B) mixture 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, the weight proportion of component A and B component is 1:160～160:1, optimum ratio 1:75～75:1.
Combinations of herbicides according to the invention be this area the formulation that can process of known method be mainly: but all passable formulations such as wetting powder, dry suspending agent dispersed oil suspending agent, aqueous suspension agent, aqueous emulsion, ultra low volume spraying agent, microcapsule suspending agent, microemulsion or water dispersible granules.
Dispersant described in the present invention be NNO (naphthalenesulfonic acid-formaldehyde condensate), MF (methyl naphthalene sulfonate formaldehyde condensate), SOPA270 (alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate), lignosulfonates or polyethers, and dispersant known in those skilled in the art in a kind of or any several kinds of combinations.
Wetting agent described in the present invention is K12 (neopelex), NPE (NPE), AEO (AEO) series, oozes T, alkyl phenol or fatty alcohol, polyoxyethylene poly-oxygen propylene aether and sulphate thereof or phosphoric acid fat, and a kind of or any several kinds of combinations in the wetting agent known in those skilled in the art.
Stabilizing agent described in the present invention is 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] or a kind of or any several kinds of combinations in the pentanediol [1,5].
A kind of or any several kinds of combinations in thickener described in the present invention: CMC (CMC), xanthic acid, PVA (polyvinyl acetate), sodium alginate, gum Arabic, bentonite, white carbon, aluminium-magnesium silicate or the starch.
Solvent described in the present invention is a kind of or any several kinds of combinations in the wetting agents known in those skilled in the art such as deionized water, methyl oleate, methyl alcohol, DMF (dimethyl formamide) or xylol.
The various dispersants that the present invention added, wetting agent, stabilizing agent, thickener auxiliary agent etc. are the market sale product, and pesticide producing is used assistant agent always.
Beneficial effect of the present invention
(1) it is composite that the present invention makes full use of the product chlorine acyl grass phosphine and the wheat paddock weed killer herbicide principal item of the autonomous knowledge-product of country, improved preventive effect, enlarged herbicidal spectrum, avoided the deficiency of each weed killer herbicide list agent.
(2) herbicide compound of the invention increases the wheat field grasses, broadleaf weeds and weed control effect, reducing the use of a single dose of wheat fields sophia, pigweed, shepherd's purse, Mak Male, wheat grass bottles, Veronica persica, Cephalanoplos, cleavers, chickweed, vetch, foxtail, wild oats, Ae, brome, Wang grass, Daji such good effect.
Description of drawings
Fig. 1 is the basic flow sheet of preparation herbicidal composition water dispersible granules of the present invention agent.
Embodiment
Through embodiment the present invention is described further below.It should be understood that the said preparation method of the embodiment of the invention is only used for explaining the present invention, rather than limitation of the present invention, under design prerequisite of the present invention, preparation method's of the present invention simple modifications is all belonged to the present invention and require the scope protected.
In FORMULATION EXAMPLE, we introduce the process for preparation and the ratio of detailed composition, and in biologically active embodiment, we introduce the outstanding biologically active preventive effect of composition in detail.Through embodiment the present invention is described further below.It should be understood that the said preparation method of the embodiment of the invention is only used for explaining the present invention, rather than limitation of the present invention, under design prerequisite of the present invention, preparation method's of the present invention simple modifications is all belonged to the present invention and require the scope protected.
The present invention is that example describes with following instance, but does not limit the present invention.
FORMULATION EXAMPLE 1:76% chlorine acyl grass phosphine. fluorine azoles sulphur swells (1:75)) water dispersible granules
10 gram chlorine acyls grass phosphines, 750 gram fluorine azoles sulphurs are grand, 30 gram lignin, 40 gram NNO, 20 gram K12,30 gram low substituted hydroxy-propyl methylcellulose, kaolin 100 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, has both got 76% chlorine acyl grass phosphine. fluorine azoles sulphur precititation dispersible granule Herbicidal combinations.
FORMULATION EXAMPLE 2:50.5% chlorine acyl grass phosphine. fluorine azoles sulphur swells (1:100) dry suspending agent
With 5 gram chlorine acyl grass phosphines, the grand 30 gram phenyl aryl phenol polyoxy ethyl ethers of 500 gram fluorine azoles sulphurs, 40 gram nonyl poly phenol oxygen vinethene phosphates; Dispersant NNO60 gram adds in the mixed solution, supplies with deionized water to stir; Carry out coarse crushing with high-speed shearing machine then; Get into the fine grinding of two-stage skin grinder again, grind the back and add white carbon 235 grams, ammonium sulfate 130 gram backs get into pressure spray dryer tower drying or granulation; Process powdery or little solid, shaped, detecting promptly becomes 50.5%% chlorine acyl grass phosphine after qualified. and fluorine azoles sulphur swells the dry suspending agent composition.Identical after the entry during use with the suspending agent effect, but storage stability is superior to suspending agent.
FORMULATION EXAMPLE 3:30% chlorine acyl grass phosphine. pyrrole grass ether (14:1) but the dispersed oil suspending agent
614.5 gram methyl oleates in the jar are sheared in suction; Restraining MF, 18 gram NNO and 1860, the 5 gram formaldehyde suction of 5 grams with 45 shears in the jar; Stir 280 gram chlorine acyl grass phosphines, 20 gram pyrrole grass ethers, 2.5 gram xanthans, 10 gram aluminium-magnesium silicates on the limit then; Input is sheared jar in order, shears to make mixing of materials even in 30 minutes.Open cycle water, with a certain amount of flow, below temperature control 40 degree, fineness is crossed 325 mesh sieves, but promptly gets 30% tritosulfuron alachlor dispersed oil suspending agent Herbicidal combinations with the material ball milling.
FORMULATION EXAMPLE 4:35.7%% chlorine acyl grass phosphine. pyrrole grass ether (50:1) oil-suspending agent
With 350 gram chlorine acyl grass phosphines, 10 gram phenyl phenol polyoxy ethyl ethers, 4 gram alkylphenol-formaldehyde resin polyoxy ethyl ethers; 514 gram pure water, suction is sheared jar and is stirred, with 50 gram dispersing agent MFs, 15 gram NPEs; 25 gram K12 and 1860, the 5 gram formaldehyde suction of 5 grams are sheared in the jar; The limit sheared edge restrains florasulams, 3 gram xanthans, 12 gram aluminium-magnesium silicates with 7 then, drops in order and shears in the jar, shears to make mixing of materials even in 30 minutes.Open cycle water, with a certain amount of flow, below temperature control 40 degree, fineness is crossed 325 mesh sieves with the material ball milling, promptly gets 35.7%% chlorine acyl grass phosphine. pyrrole grass ether oil suspending agent Herbicidal combinations.
FORMULATION EXAMPLE 5:33% chlorine acyl grass phosphine. florasulam (10:1) oil-suspending agent
With 300 gram chlorine acyl grass phosphines, 10 gram phenyl phenol polyoxy ethyl ethers, 4 gram alkylphenol-formaldehyde resin polyoxy ethyl ethers; 541 gram pure water, suction is sheared jar and is stirred, with 50 gram dispersing agent MFs, 15 gram NPEs; 25 gram K12 and 1860, the 5 gram formaldehyde suction of 5 grams are sheared in the jar; The limit sheared edge restrains florasulams, 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.Open cycle water, with a certain amount of flow, below temperature control 40 degree, fineness is crossed 325 mesh sieves with the material ball milling, promptly gets 33% chlorine acyl grass phosphine. florasulam suspending agent Herbicidal combinations.
Preparation is implemented 6:80.5% chlorine acyl grass phosphine. Flumetsulam (1:160) water dispersible granules
With 5 gram chlorine acyl grass phosphines, 800 gram Flumetsulams, 30 gram lignin, 40 gram NNO, 20 gram K12,30 gram low substituted hydroxy-propyl methylcellulose, kaolin 55 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, has both got 80.5% chlorine acyl grass phosphine. Flumetsulam water dispersible granules Herbicidal combinations.
FORMULATION EXAMPLE 7:5.5% chlorine acyl grass phosphine. pyridine sulphur grass amine (1:10) microcapsule suspending agent
With 100 gram DMF 5 gram tritosulfurons are dissolved the back suction fully and shear jar, pyridine sulphur grass amine 50 grams, NNO dispersant 40 grams; K12 wetting agent 20 grams, urea resin prepolymer 180 grams, 1860 (antifoaming agent) 3 grams; Slowly add initator 180 grams after the shearing while stirring; Under 60 ℃ of temperature, slowly stir half an hour, mend pure water 422 grams, stir.Get final product 5.5% chlorine acyl grass phosphine. pyridine sulphur grass amine microcapsule suspending agent Herbicidal combinations.
FORMULATION EXAMPLE 8:24.2% chlorine acyl grass phosphine .2,4-d butyl ester (1:120) microemulsion
2 gram chlorine acyl grass phosphines are dissolved the suction mixing kettle with 90 gram cyclohexanone, methyl alcohol 100 grams, 2,4-d butyl ester 240 grams fully; Alkylphenol-formaldehyde resin polyoxy ethyl ether 40 grams, alkyl benzene calcium sulfonate 30 grams, phenyl phenol polyoxyethylene groups ether 40 grams; 1860 antifoaming agents, 3 grams, pure water 455 grams stir.Both got 24.2% chlorine acyl grass phosphine .2,4-d butyl ester microemulsion weeding composition.
FORMULATION EXAMPLE 9:41% chlorine acyl grass phosphine. fenoxapropPethyl (40:1) aqueous emulsion
Chlorine acyl grass phosphine 400 grams, fenoxapropPethyl 10 grams are dissolved in the 250 gram toluene, add alkylbenzenesulfonate 30 grams, alkylbenzene APEO 30 grams start clipper, and the limit sheared edge adds deionized water 280 grams.High speed shear got final product in 30 minutes 25% chlorine acyl grass phosphine. the fenoxapropPethyl aqueous emulsion
FORMULATION EXAMPLE 10:55% chlorine acyl grass phosphine. oat fear (4:7) ultra low volume liquids
Chlorine acyl grass phosphine 200 grams, oat fear 350 grams, N-Methyl pyrrolidone 50 grams, neopelex 55 grams, the two wires oil solvent is supplied 1000 grams, stirs 30 minutes, to transparent fully, is 55% ultra low volume liquids after the assay was approved.
FORMULATION EXAMPLE 11:64.4% chlorine acyl grass phosphine. bensulfuron-methyl (160:1) wetting powder
With chlorine acyl grass phosphine 640 grams, bensulfuron-methyl 4 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 246 grams.Stir, through comminution by gas stream, mix once more, stir, get final product 64.4% chlorine acyl grass phosphine. bensulfuron-methyl wetting powder Herbicidal combinations.
FORMULATION EXAMPLE 12:26% chlorine acyl grass phosphine. azoles quinoline grass ester (25:1) microemulsion
250 gram chlorine acyl grass phosphines are dissolved the suction mixing kettle fully with 90 gram cyclohexanone, methyl alcohol 100 grams, azoles quinoline grass ester 10 grams; Alkylphenol-formaldehyde resin polyoxy ethyl ether 40 grams, alkyl benzene calcium sulfonate 30 grams, phenyl phenol polyoxyethylene groups ether 40 grams; 1860 antifoaming agents, 3 grams, pure water 437 grams stir.Both got 26% chlorine acyl grass phosphine. azoles quinoline grass ester microemulsion weeding composition.
FORMULATION EXAMPLE 13:30.4% chlorine acyl grass phosphine. azoles quinoline grass ester (75:1) aqueous emulsion
Chlorine acyl grass phosphine 300 grams, azoles quinoline grass ester 4 grams are dissolved in the 250 gram toluene, add alkylbenzenesulfonate 30 grams, alkylbenzene APEO 30 grams start clipper, and the limit sheared edge adds deionized water 386 grams.High speed shear got final product in 30 minutes 30.4% chlorine acyl grass phosphine. azoles quinoline grass ester aqueous emulsion
FORMULATION EXAMPLE 14:40% chlorine acyl grass phosphine. chlortoluron (1:1) wetting powder
With chlorine acyl grass phosphine 200 grams, chlortoluron 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 390 grams.Stir, through comminution by gas stream, mix once more, stir, get final product 40% chlorine acyl grass phosphine. chlortoluron wetting powder Herbicidal combinations.
FORMULATION EXAMPLE 15:26% chlorine acyl grass phosphine. chlortoluron (1:25) suspending agent
With 10 gram chlorine acyl grass phosphines, 10 gram phenyl phenol polyoxy ethyl ethers, 4 gram alkylphenol-formaldehyde resin polyoxy ethyl ethers; 620 gram pure water, suction is sheared jar and is stirred, with 50 gram dispersing agent MFs, 15 gram NPEs; 25 gram K12 and 1860, the 5 gram formaldehyde suction of 5 grams are sheared in the jar; The limit sheared edge restrains chlortolurons, 3 gram xanthans, 12 gram aluminium-magnesium silicates with 250 then, drops in order and shears in the jar, shears to make mixing of materials even in 30 minutes.Open cycle water, with a certain amount of flow, below temperature control 40 degree, fineness is crossed 325 mesh sieves with the material ball milling, promptly gets 26%% chlorine acyl grass phosphine. chlortoluron suspending agent Herbicidal combinations.
FORMULATION EXAMPLE 16:61.5% chlorine acyl grass phosphine. thifensulfuronmethyl (1:40) dry suspending agent
With 15 gram chlorine acyl grass phosphines, 600 gram thifensulfuronmethyls, 30 gram phenyl aryl phenol polyoxy ethyl ethers, 40 gram nonyl poly phenol oxygen vinethene phosphates; Dispersant NNO60 gram adds in the mixed solution, supplies with deionized water to stir; Carry out coarse crushing with high-speed shearing machine then; Get into the fine grinding of two-stage skin grinder again, grind the back and add white carbon 135 grams, ammonium sulfate 120 gram backs get into pressure spray dryer tower drying or granulation; Process powdery or little solid, shaped, detecting promptly becomes 75% chlorine acyl grass phosphine after qualified. thifensulfuronmethyl dry suspending agent composition.Identical after the entry during use with the suspending agent effect, but storage stability is superior to suspending agent.
FORMULATION EXAMPLE 17:13% chlorine acyl grass phosphine. methyl two sulphurs swell (10:3) oil-suspending agent
775 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; Limit sheared edge 100 gram chlorine acyls grass phosphines, 30 gram methyl, two sulphurs are grand, 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.Open cycle water, with a certain amount of flow, below temperature control 40 degree, fineness is crossed 325 mesh sieves with the material ball milling, promptly get the careless phosphine of 13% chlorine acyl. and methyl two sulphurs swell the oil-suspending agent Herbicidal combinations.
FORMULATION EXAMPLE 18:20.2% chlorine acyl grass phosphine. methyl two sulphurs swell (100:1) water dispersible granules
200 gram chlorine acyls grass phosphines, 2 gram methyl, two sulphurs are grand, 30 gram lignin, 40 gram NNO, 20 gram K12,30 gram low substituted hydroxy-propyl methylcellulose, kaolin 688 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, has both got 20.2% chlorine acyl grass phosphine. methyl two sulphur precititation dispersible granule Herbicidal combinations
FORMULATION EXAMPLE 19:25% chlorine acyl grass phosphine. methyl iodide sulphur swells sodium salt (30:20) water dispersible granules
With 150 gram chlorine acyl grass phosphines, the grand sodium salt of 100 gram methyl iodide sulphurs, 30 gram lignin, 40 gram NNO, 20 gram K12,30 gram low substituted hydroxy-propyl methylcellulose, kaolin 610 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, both 25% chlorine acyl grass phosphine. methyl iodide sulphur swells natrium brine dispersible granule Herbicidal combinations
FORMULATION EXAMPLE 20:24.2% chlorine acyl grass phosphine. methyl iodide sulphur swells sodium salt (120:1) water dispersible granules
With 240 gram chlorine acyl grass phosphines, the grand sodium salt of 2 gram methyl iodide sulphurs, 30 gram lignin, 40 gram NNO, 20 gram K12,30 gram low substituted hydroxy-propyl methylcellulose, kaolin 618 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, both 24.2% chlorine acyl grass phosphine. methyl iodide sulphur swells natrium brine dispersible granule Herbicidal combinations
Biological Examples
Carry out biological Examples below in conjunction with FORMULATION EXAMPLE 1-20 of the present invention, thereby further specify usefulness of the present invention, rather than restriction the present invention.
The method that biological Examples of the present invention takes field efficacy and Toxicity Determination to combine is carried out.
The field control effectiveness test method:
In soil fertility, equal the processing of spraying of weeds 3-5 leaf phase; 5 FX of each processing selecting; Kind and quantity with investigation weeds before the medicine; Investigated the control efficiency of herbicidal composition in 30 days behind the medicine, and calculate strain according to weeds survival number and prevent, calculate herbicidal composition of the present invention supplying to try the control efficiency of weeds to weeds.
The biological Examples test of pesticide effectiveness of the present invention 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 for details) of implementing medicament.
Table 1 weed killer herbicide is to wheat paddock weeds field field control effect (strain preventive effect)
Can find out that by last table the compound in chlorine acyl grass phosphine and the active ingredient according to the invention (B) is composite can obviously to improve the effect of each single agent, enlarge and kill the grass spectrum.
The indoor virulence determination of activity
Do down description with regard to Toxicity Determination of the present invention below, the method that Toxicity Determination can adopt is a lot, and the present invention adopts cauline leaf spray-on process and soil spray-on process, but is not restricted to method of the present invention.
Supply the examination weeds to handle
To supply the examination weed seed earlier with 40 ℃ of water seed soakings, and use dark gauze shading then, and 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 moves into after planting that the greenhouse is conventional to be cultivated with the seed uniform broadcastings of pretreated weeds; 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 2-2.5 leaf, 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 with medicament of emerging and handle the usefulness of doing experiment in weeds.
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.
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 the 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
TTI＝TI
A×P
A+TI
B×P
B……………………………………(4)
In the 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.
The grand indoor joint toxicity measuring of indoor virulence determination of activity embodiment 1 chlorine acyl grass phosphine and fluorine azoles sulphur
Test method: respectively chlorine acyl grass phosphine is swelled former medicine with fluorine azoles sulphur and the mother liquor that will respectively be mixed is diluted to 5 different gradients; Seedling to cultured wild oat carries out cauline leaf spraying processing from the low dosage to the high dose then; 3 repetitions are established in each processing, and establish the clear water that does not contain medicament and make blank.After treating that then the experiment material medicine company is air-dry, move into the conventional cultivation in greenhouse.Calculate the strain preventive effect, ask LC50 and calculate co-toxicity coefficient according to the abundant method of Sun Yun.
The grand control wheat paddock weeds wild oat virulence that is mixed of table 2 chlorine acyl grass phosphine and fluorine azoles sulphur
Can find out by table 2; Chlorine acyl grass phosphine is prevented and treated wheat paddock weeds wild oat co-toxicity coefficient all greater than 120 with grand being mixed of fluorine azoles sulphur, and explaining that both are composite has a good effect, can obviously improve the preventive effect to wild oat; Wherein composite best with the ratio of 1:75, co-toxicity coefficient reaches 187.
Indoor virulence determination of activity embodiment 2 chlorine acyls grass phosphine and the indoor joint toxicity measuring of pyrrole grass ether
Test method: respectively the careless former medicine of ether of chlorine acyl grass phosphine and pyrrole and the mother liquor that will respectively be mixed are diluted to 5 different gradients; Seedling to cultured clearvers carries out cauline leaf spraying processing from the low dosage to the high dose then; 3 repetitions are established in each processing, and establish the clear water that does not contain medicament and make blank.After treating that then the experiment material medicine company is air-dry, move into the conventional cultivation in greenhouse.Calculate the strain preventive effect, ask LC50 and calculate co-toxicity coefficient according to the abundant method of Sun Yun.
Table 3 chlorine acyl grass phosphine and pyrrole grass ether are mixed and prevent and treat the indoor virulence of clearvers
Can find out chlorine acyl grass phosphine and pyrrole grass ether is composite by table 3 and can well prevent and treat clearvers, both composite co-toxicity coefficients are explained both composite preventive effects that can significantly improve individual single agent all greater than 120.
Indoor virulence determination of activity embodiment 3 chlorine acyls grass phosphine and the indoor joint toxicity measuring of florasulam
Test method: respectively chlorine acyl grass phosphine and the former medicine of florasulam and the mother liquor that will respectively be mixed are diluted to 5 different gradients; Seedling to cultured wartwort carries out cauline leaf spraying processing from the low dosage to the high dose then; 3 repetitions are established in each processing, and establish the clear water that does not contain medicament and make blank.After treating that then the experiment material medicine company is air-dry, move into the conventional cultivation in greenhouse.Calculate the strain preventive effect, ask LC50 and calculate co-toxicity coefficient according to the abundant method of Sun Yun.
Table 4 chlorine acyl grass phosphine and florasulam are mixed and prevent and treat the indoor virulence of wartwort
Can find out chlorine acyl grass phosphine and florasulam is composite can significantly improve the preventive effect to wartwort by table 4, both composite co-toxicity coefficients are all greater than 120, and are wherein composite best with 1:7, and co-toxicity coefficient is 198.
Indoor virulence determination of activity embodiment 4 chlorine acyls grass phosphine and the indoor joint toxicity measuring of Flumetsulam
Test method: adopt the soil spray-on process.
Test material: will test soil proportioning device basin alms bowl 4/5 place.Adopt basin alms bowl bottom infiltrating irrigation mode, make soil moistening fully, will be spread on the soil table, cover 102 centimetres soil then according to seed size, sow and carry out soil spraying processing after 24 hours in the shepherd's purse seed of processing.
Test method: respectively chlorine acyl grass phosphine and the former medicine of Flumetsulam and the mother liquor that will respectively be mixed are diluted to 5 different gradients; Then from the low dosage to the high dose to the basin alms bowl of cultivating the shepherd's purse seed processing of spraying; 3 repetitions are established in each processing, and establish the clear water that does not contain medicament and make blank.After treating that then the experiment material medicine company is air-dry, move into the conventional cultivation in greenhouse.Calculate the strain preventive effect, ask LC50 and calculate co-toxicity coefficient according to the abundant method of Sun Yun.
Table 5 chlorine acyl grass phosphine and Flumetsulam are mixed and prevent and treat the shepherd's purse indoor virulence
Can find out that by table 5 chlorine acyl grass phosphine and Flumetsulam are mixed co-toxicity coefficient all greater than 120, both are mixed and have obvious synergistic effect.
Indoor virulence determination of activity embodiment 5 chlorine acyls grass phosphine and the indoor joint toxicity measuring of pyridine sulphur grass amine
Test method: respectively the careless former medicine of amine of chlorine acyl grass phosphine and pyridine sulphur and the mother liquor that will respectively be mixed are diluted to 5 different gradients; Seedling to cultured rice crock carries out cauline leaf spraying processing from the low dosage to the high dose then; 3 repetitions are established in each processing, and establish the clear water that does not contain medicament and make blank.After treating that then the experiment material medicine company is air-dry, move into the conventional cultivation in greenhouse.Calculate the strain preventive effect, ask LC50 and calculate co-toxicity coefficient according to the abundant method of Sun Yun.
Table 6 chlorine acyl grass phosphine and pyridine sulphur grass amine control rice crock indoor virulence
Can find out that by table 6 chlorine acyl grass phosphine and the composite effect to the rice crock of pyridine sulphur grass amine obviously improve, both composite co-toxicity coefficients are all greater than 120, and wherein both are composite best with the 1:10 effect, and co-toxicity coefficient is 218.
Indoor virulence determination of activity embodiment 6 chlorine acyls grass phosphine and 2, the indoor joint toxicity measuring of 4-d butyl ester
Test method: respectively with chlorine acyl grass phosphine and 2; Former medicine of 4-d butyl ester and the mother liquor that will respectively be mixed are diluted to 5 different gradients; Seedling to cultured corn gromwell carries out cauline leaf spraying processing from the low dosage to the high dose then; 3 repetitions are established in each processing, and establish the clear water that does not contain medicament and make blank.After treating that then the experiment material medicine company is air-dry, move into the conventional cultivation in greenhouse.Calculate the strain preventive effect, ask LC50 and calculate co-toxicity coefficient according to the abundant method of Sun Yun.
Table 7 chlorine acyl grass phosphine and 2, the 4-d butyl ester is prevented and treated indoor virulence to corn gromwell
Can find out by table 7, chlorine acyl grass phosphine and 2, the composite co-toxicity coefficient of 4-d butyl ester explains that all greater than 120 two composite reagents have obvious synergistic effect to corn gromwell.Effect is best during wherein with 1:4, and co-toxicity coefficient reaches 201.
Indoor virulence determination of activity embodiment 7 chlorine acyls grass phosphine and the indoor joint toxicity measuring of fenoxapropPethyl
Test method: respectively chlorine acyl grass phosphine and the former medicine of fenoxapropPethyl and the mother liquor that will respectively be mixed are diluted to 5 different gradients; Seedling to cultured bromegrass carries out cauline leaf spraying processing from the low dosage to the high dose then; 3 repetitions are established in each processing, and establish the clear water that does not contain medicament and make blank.After treating that then the experiment material medicine company is air-dry, move into the conventional cultivation in greenhouse.Calculate the strain preventive effect, ask LC50 and calculate co-toxicity coefficient according to the abundant method of Sun Yun.
Table 8 chlorine acyl grass phosphine and fenoxapropPethyl control bromegrass indoor virulence
Can find out chlorine acyl grass phosphine and the composite co-toxicity coefficient of fenoxapropPethyl all greater than 120 by table 8, explaining that both are composite has obvious synergistic effect to bromegrass, and preventive effect is best during wherein with 1:4, and co-toxicity coefficient reaches 216.
Indoor virulence determination of activity embodiment 8 chlorine acyls grass phosphine and oat fear indoor joint toxicity measuring
Test method: respectively chlorine acyl grass phosphine is feared former medicine with oat and the mother liquor that will respectively be mixed is diluted to 5 different gradients; Seedling to cultured oat carries out cauline leaf spraying processing from the low dosage to the high dose then; 3 repetitions are established in each processing, and establish the clear water that does not contain medicament and make blank.After treating that then the experiment material medicine company is air-dry, move into the conventional cultivation in greenhouse.Calculate the strain preventive effect, ask LC50 and calculate co-toxicity coefficient according to the abundant method of Sun Yun.
Table 9 chlorine acyl grass phosphine and oat fear control of wild oats indoor virulence
Can find out that by table 9 acyl grass phosphine and oat fear composite co-toxicity coefficient all greater than 120, explain that two composite reagents have obvious synergistic effect to oat.
Indoor virulence determination of activity embodiment 9 chlorine acyls grass phosphine and the indoor joint toxicity measuring of bensulfuron-methyl
Test method: respectively chlorine acyl grass phosphine and the former medicine of bensulfuron-methyl and the mother liquor that will respectively be mixed are diluted to 5 different gradients; Seedling to cultured ox chickweed carries out cauline leaf spraying processing from the low dosage to the high dose then; 3 repetitions are established in each processing, and establish the clear water that does not contain medicament and make blank.After treating that then the experiment material medicine company is air-dry, move into the conventional cultivation in greenhouse.Calculate the strain preventive effect, ask LC50 and calculate co-toxicity coefficient according to the abundant method of Sun Yun.
Table 10 chlorine acyl grass phosphine and bensulfuron-methyl control chickweed indoor virulence
Can find out that by table 10 chlorine acyl grass phosphine and the composite co-toxicity coefficient of bensulfuron-methyl all greater than 120, explain that these two kinds of composite reagents have obvious synergistic effect to chickweed, the effect during wherein with 150:1 and 300:1 is better.
Indoor virulence determination of activity embodiment 10 chlorine acyls grass phosphine and the indoor joint toxicity measuring of azoles quinoline grass ester
Test method: respectively the careless former medicine of ester of chlorine acyl grass phosphine and azoles quinoline and the mother liquor that will respectively be mixed are diluted to 5 different gradients; From the low dosage to the high dose, see that to cultured the seedling of selling ma carries out the cauline leaf spraying and handles then; 3 repetitions are established in each processing, and establish the clear water that does not contain medicament and make blank.After treating that then the experiment material medicine company is air-dry, move into the conventional cultivation in greenhouse.Calculate the strain preventive effect, ask LC50 and calculate co-toxicity coefficient according to the abundant method of Sun Yun.
Table 11 chlorine acyl grass phosphine and the composite control of azoles quinoline grass ester are seen and are sold ma's indoor virulence
Can find out that by table 11 chlorine acyl grass phosphine and the composite control of the careless ester of azoles quinoline see that selling ma has obvious synergistic effect, both composite Toxicity Determination co-toxicity coefficients are all greater than 120.
Indoor virulence determination of activity embodiment 11 chlorine acyls grass phosphine and the indoor joint toxicity measuring of chlortoluron
Test method: respectively chlorine acyl grass phosphine and the former medicine of chlortoluron and the mother liquor that will respectively be mixed are diluted to 5 different gradients; Seedling to cultured annual bluegrass carries out cauline leaf spraying processing from the low dosage to the high dose then; 3 repetitions are established in each processing, and establish the clear water that does not contain medicament and make blank.After treating that then the experiment material medicine company is air-dry, move into the conventional cultivation in greenhouse.Calculate the strain preventive effect, ask LC50 and calculate co-toxicity coefficient according to the abundant method of Sun Yun.
Table 12 chlorine acyl grass phosphine and chlortoluron control annual bluegrass indoor virulence
Can be found out that by table chlorine acyl grass phosphine and each proportioning of chlortoluron have obvious synergistic effect to the indoor preventive effect of annual bluegrass, the co-toxicity coefficient of its each ratio gained this shows all greater than 120, and these two kinds of compositions are composite to have tangible preventive effect advantage.
Indoor virulence determination of activity embodiment 12 chlorine acyls grass phosphine and the indoor joint toxicity measuring of thifensulfuronmethyl
Test method: respectively chlorine acyl grass phosphine and the former medicine of thifensulfuronmethyl and the mother liquor that will respectively be mixed are diluted to 5 different gradients; Seedling to cultured descurainia sophia (l.) webb ex prantl carries out cauline leaf spraying processing from the low dosage to the high dose then; 3 repetitions are established in each processing, and establish the clear water that does not contain medicament and make blank.After treating that then the experiment material medicine company is air-dry, move into the conventional cultivation in greenhouse.Calculate the strain preventive effect, ask LC50 and calculate co-toxicity coefficient according to the abundant method of Sun Yun.
Table 13 chlorine acyl grass phosphine: thifensulfuronmethyl control descurainia sophia (l.) webb ex prantl indoor virulence
Can be found out that by last table chlorine acyl grass phosphine is given prominence to several proportionings preventive effect on the control descurainia sophia (l.) webb ex prantl that thifensulfuronmethyl is mixed, its co-toxicity coefficient is all greater than 120, explains that these two kinds of compositions are composite to have a tangible Practical significance.
The grand indoor joint toxicity measuring of indoor virulence determination of activity embodiment 13 chlorine acyls grass phosphine and methyl two sulphurs
Test method: respectively chlorine acyl grass phosphine is swelled former medicine with methyl two sulphurs and the mother liquor that will respectively be mixed is diluted to 5 different gradients; Seedling to cultured Triticum tauschii carries out cauline leaf spraying processing from the low dosage to the high dose then; 3 repetitions are established in each processing, and establish the clear water that does not contain medicament and make blank.After treating that then the experiment material medicine company is air-dry, move into the conventional cultivation in greenhouse.Calculate the strain preventive effect, ask LC50 and calculate co-toxicity coefficient according to the abundant method of Sun Yun.
The grand Triticum tauschii Toxicity Determination result that prevents and treats of table 14 chlorine acyl grass phosphine and methyl two sulphurs
Can be found out that by table 14 chlorine acyl grass phosphine and methyl two sulphurs swell prevents and treats that Triticum tauschii is indoor all to have an obvious synergistic effect, the co-toxicity coefficient of its proportioning is explained the composite significantly synergy of these two kinds of compositions all greater than 120, and very big field practical value is arranged.
The grand indoor joint toxicity measuring of sodium salt of indoor virulence determination of activity embodiment 14 chlorine acyls grass phosphine and methyl iodide sulphur
Test method: respectively chlorine acyl grass phosphine is swelled the former medicine of sodium salt with methyl iodide sulphur and the mother liquor that will respectively be mixed is diluted to 5 different gradients; Seedling to cultured bromegrass carries out cauline leaf spraying processing from the low dosage to the high dose then; 3 repetitions are established in each processing, and establish the clear water that does not contain medicament and make blank.After treating that then the experiment material medicine company is air-dry, move into the conventional cultivation in greenhouse.Calculate the strain preventive effect, ask LC50 and calculate co-toxicity coefficient according to the abundant method of Sun Yun.
The grand sodium salt control of table 15 chlorine acyl grass phosphine and methyl iodide sulphur bromegrass indoor virulence
Can find out by table 15: chlorine acyl grass phosphine and methyl iodide sulphur is grand be mixed prevent and treat bromegrass through each ratio co-toxicity coefficient of indoor its proportioning of determination of activity all greater than 120; Explain that these two kinds of medicaments are mixed and significantly to improve control efficiency, have very strong land for growing field crops practical value bromegrass.
Claims (9)
1. the herbicidal composition of a chloride acyl grass phosphine is characterized in that: comprise in component A and the B component one or more; Wherein component A is a chlorine acyl grass phosphine; B component is selected from following one or more active ingredients: fluorine azoles sulphur is grand, the careless ether of pyrrole, florasulam, Flumetsulam, pyridine sulphur grass amine, 2, and 4-d butyl ester, fenoxapropPethyl, oat fear, bensulfuron-methyl, azoles quinoline grass ester, chlortoluron, thifensulfuronmethyl, methyl two sulphurs are grand or the grand sodium salt of methyl iodide sulphur; All the other complement to 100% with dispersant, wetting agent, stabilizing agent, thickener and solvent.
2. chloride acyl grass phosphine herbicidal composition according to claim 1, it is characterized in that: the weight proportion of component A and B component is 1:160～160:1, optimum ratio 1:75～75:1.
3. chloride acyl grass phosphine herbicidal composition according to claim 1 and 2; The formulation that it is characterized in that herbicidal composition processing is: but wetting powder, dry suspending agent dispersed oil suspending agent, oil-suspending agent, aqueous emulsion, ultra low volume spraying agent, microcapsule suspending agent, microemulsion or water dispersible granules, the agricultural chemicals regular dosage form.
4. chloride acyl grass phosphine herbicidal composition according to claim 1 and 2 is characterized in that: described dispersant be naphthalenesulfonic acid-formaldehyde condensate, methyl naphthalene sulfonate formaldehyde condensate, alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, lignosulfonates or polyethers, and known dispersant in a kind of or any several kinds of combinations.
5. chloride acyl grass phosphine herbicidal composition according to claim 1 and 2; It is characterized in that: described wetting agent is neopelex, NPE, AEO series, oozes T, alkyl phenol or fatty alcohol, polyoxyethylene poly-oxygen propylene aether and sulphate thereof or phosphoric acid fat, and a kind of or any several kinds of combinations in the known wetting agent.
6. chloride acyl grass phosphine herbicidal composition according to claim 1 and 2; It is characterized in that: said stabilizing agent is potassium sorbate, Sodium Benzoate, formaldehyde, 1; 2-benzisothiazole-3-ketone, triumphant pine, epoxychloropropane, epoxidized vegetable oil, tributyl phosphate, APES phosphoric acid fat and salt thereof, 2 hexylene glycol 2; 4, a kind of or any several kinds of combinations in hexylene glycol 2,5 or the pentanediol 1,5.
7. chloride acyl grass phosphine herbicidal composition according to claim 1 and 2, it is characterized in that: said thickener is a kind of or any several kinds of combinations in CMC, xanthic acid, polyvinyl acetate, sodium alginate, gum Arabic, bentonite, white carbon, aluminium-magnesium silicate or the starch.
8. chloride acyl grass phosphine herbicidal composition according to claim 1 and 2, it is characterized in that: said solvent is a kind of or any several kinds of combinations in deionized water, methyl oleate, methyl alcohol, dimethyl formamide or xylol, the known wetting agent.
9. chloride acyl grass phosphine herbicidal composition according to claim 1 and 2, it is characterized in that: herbicidal composition is mainly used in annual and perennial broad-leaved, grass family and the sedge weed in control wheat crop field.
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| WO2020057358A1 (en) * | 2018-09-21 | 2020-03-26 | 华中师范大学 | Microemulsion formulation containing clacyfos herbicide, preparation method therefor and use thereof |
| CN111066811A (en) * | 2018-10-18 | 2020-04-28 | 华中师范大学 | Herbicide composition containing penoxsulam and application thereof |
| CN115152785A (en) * | 2022-08-08 | 2022-10-11 | 河南省农业科学院植物保护研究所 | Weeding composition containing cloransulam-methyl for alfalfa field |
| CN115152785B (en) * | 2022-08-08 | 2023-08-04 | 河南省农业科学院植物保护研究所 | Weeding composition containing chloracyl phosphinate for alfalfa fields |
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