CN101897339B - Herbicide composition containing cinosulfuron and penoxsulam - Google Patents
Herbicide composition containing cinosulfuron and penoxsulam Download PDFInfo
- Publication number
- CN101897339B CN101897339B CN 201010257871 CN201010257871A CN101897339B CN 101897339 B CN101897339 B CN 101897339B CN 201010257871 CN201010257871 CN 201010257871 CN 201010257871 A CN201010257871 A CN 201010257871A CN 101897339 B CN101897339 B CN 101897339B
- Authority
- CN
- China
- Prior art keywords
- cinosulfuron
- penoxsuam
- weed
- weeds
- herbicidal composition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- WMLPCIHUFDKWJU-UHFFFAOYSA-N Cinosulfuron Chemical compound COCCOC1=CC=CC=C1S(=O)(=O)NC(=O)NC1=NC(OC)=NC(OC)=N1 WMLPCIHUFDKWJU-UHFFFAOYSA-N 0.000 title claims abstract description 101
- 239000000203 mixture Substances 0.000 title claims abstract description 44
- 230000002363 herbicidal effect Effects 0.000 title claims abstract description 38
- 239000004009 herbicide Substances 0.000 title abstract description 37
- 239000005592 Penoxsulam Substances 0.000 title abstract description 4
- SYJGKVOENHZYMQ-UHFFFAOYSA-N Penoxsulam Chemical compound N1=C2C(OC)=CN=C(OC)N2N=C1NS(=O)(=O)C1=C(OCC(F)F)C=CC=C1C(F)(F)F SYJGKVOENHZYMQ-UHFFFAOYSA-N 0.000 title abstract description 4
- 241000196324 Embryophyta Species 0.000 claims abstract description 72
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- 235000009566 rice Nutrition 0.000 claims abstract description 34
- 239000000843 powder Substances 0.000 claims abstract description 20
- 239000008187 granular material Substances 0.000 claims abstract description 10
- 239000004562 water dispersible granule Substances 0.000 claims abstract description 8
- 241000209094 Oryza Species 0.000 claims abstract 6
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- 241001290610 Abildgaardia Species 0.000 claims description 8
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- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical group N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 4
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a herbicide for preventing and removing grassy weeds, broadleaf weeds and cyperaceae weeds in rice paddy fields, which is a binary herbicide mixture taking cinosulfuron and penoxsulam as active ingredients, and the weight ration of the cinosulfuron to the penoxsulam in the composition is (32:1)-(1:32), while (8:1)-(1:8) is preferential. The compound herbicide can be prepared into water dispersible granules, wettable powder, powder, granules, suspension and dispersible oil suspension. The herbicide can be used for preventing and removing the weeds in the rice paddy fields and has reasonable components, and the prevention effect is better than the activity when independently applying each component, thereby expanding the weed preventing and removing spectrum, reducing the preventing and removing cost, retarding the production of weed resistance, having good safety for crops and being in line with the requirements on the safety of pesticide preparations.
Description
Technical field
The present invention relates to the herbicidal composition of a kind of cinosulfuron-containing and penoxsuam, be specifically related to a kind of weed killer herbicide for control rice field grassy weed, broad leaved weed and sedge weed, it is the active binary herbicidal composition of forming by cinosulfuron, penoxsuam.
Background technology
Large-area applications 2 from about the nineteen fifty, 4-drips, 2 first, 4 chlorine have been prevented and kill off since the paddy field broad leaved weed, paddy field develops rapidly with the weed killer herbicide kind, kind updates, perfect, successively emerge in large numbers weed killer herbicides such as diphenyl ether, thiocarbamates, amide-type, quinoline carboxylic acid, sulfonylurea, formed the comparatively perfect chemical weed control system that is adapted to the paddy rice different planting, become well stimulation indispensable, very important in world's Rice Production.
But, along with numerous weed killer herbicide kinds continue to use in the paddy field large tracts of land, also produce many problems: 1. the weeds resistance is outstanding, wherein comparatively outstanding to the resistance of Stam F-34, dichloro quinolinic acid, butachlor, benthiocarb with the barnyard grass grass, recently, common weeds such as sedge family, Pontederiaceae, Alismataceae such as difformed galingale herb, firefly Lin, angustifolia arrowhead herb, Monochoria korsakowii, Monochoria vaginalis have produced resistance to sulfonylurea herbicide, make the weeding problem more become complicated.2. perennial weed harm becomes major issue, and particularly the sedge family perennial weed is more outstanding.3. the careless problem of preventing and kill off with moleplant seed of barnyard grass at advanced age need solve; 4. the grass spectrum of killing of weed killer herbicide kind remains to be enlarged, and prolongs the lasting phase that soil is prevented and kill off medicament.5. more urgent for the demand of wide spectrum, selectivity weed killer herbicide kind strong, easy to use.
Use weed killer herbicide behind the seedling that penoxsuam system is developed by U.S. Tao Nongke company (Dow AgroSciences), it causes effect by inhibition acetolactate synthestase (ALS).On September 24th, 2004 is in U.S. EPA official register registration, applies in southern US rice district in 2005, registers in China in 2008.This medicament can very effectively be prevented and kill off barnyard grass grass (comprising the barnyard grass grass to Stam F-34, dichloro quinolinic acid and anti-acetyl-CoA carboxylase tool resistance), moleplant seed and annual sedge weed, simultaneously, it also can prevent and kill off anti-sulfonylurea weeds in the paddy field, and many broad-leaveds and sedge weed and barnyard grass grass etc. had residual activity, for present paddy field is composed the widest kind with killing grass in the weed killer herbicide, but the use cost height limits its large tracts of land and promotes the use of.
The English common name penoxsulam of penoxsuam, chemical name 2-(2,2-difluoro ethoxy)-N-(5,8-dimethoxy (1,2,4) triazole-(1,5-C) pyrimidine-2-base)-6-trifluoromethyl-benzene sulfanilamide (SN).Penoxsuam is a kind of triazolopyrimidine sulfonamide weed killer herbicide, works by suppressing the acetyl-lactic acid ester synzyme, and medicine absorbs via grass cutting blade, sheath portion or root, conducts to meristematic tissue, causes weed growth to stop, and yellow is dead then.Be used for preventing and kill off the paddy field annual weed, to barnyard grass grass special efficacy, but to the anti-heterodyne of part grassy weed, nutgrass flatsedge and broad leaved weed.The action target of this medicament is acetolactate synthestase (ALS), significantly be lower than other sulfonylurea medicaments according to the hodgepodge of the anti-sulfonylurea herbicide of the reported literature cross resistance level to triazolopyrimidine sulfonamides herbicide, and the activity of weeding of penoxsuam and other ALS inhibitor have evident difference.Therefore penoxsuam is the comparatively ideal weed killer herbicide of control paddy field weed.
The English common name cinosulfuron of cinosulfuron, molecular formula C
15H
19N
5O
7S, chemical name 1-(4,6-dimethoxy-1,3,5-triazines-2-yl)-3-[2 (2-methoxy ethoxy) phenyl sulphonyl] urea.Cinosulfuron is a kind of selectivity inner sucting conduction type weed killer herbicide.Active ingredient mainly absorbs by root and stem and is sent to meristematic tissue by conducting tissue, suppresses the biosynthesis of branched-chain amino acid (as serine, isoleucine).Weeds can be not dead immediately after the medication, but stop growing, and plant begins yellow after 5-10 days, withered death.In the paddy rice body, paddy rice can be by urea bridge fracture, after methoxyl group hydrolysis, deamination methyl and the phenol hydrolysis with approach such as the sucrose yoke close, be metabolized to non-poisonous material at last, the half life period was 3 days in the paddy rice leaf, so to rice safety less than 1 day half life period in rice root.But because its water-soluble big (3.7g/L water) in the water leaking paddy field, causes poisoning thereby may focus on the rice root district with water to paddy rice.Be used for that drought is broadcast, water is broadcast annual broadleaf weed and sedge weeds such as rice field control rhizoma alismatis, nutgrass flatsedge, apple, pondweed, arrowhead, Monochoria vaginalis, invalid to barnyard grass grass and moleplant seed etc.As a sulfonylurea herbicide for paddy field, advantage is a lot, and consumption is few, and is active high, but blemish in an otherwise perfect thing is that it is invalid to barnyard grass grass and moleplant seed etc., causes weeds to the rising year by year of sulfonylurea herbicide resistance after the use for many years, the shortcoming that use cost is higher.
In actual use, penoxsuam is to barnyard grass grass, a thousand pieces of gold special efficacy of rice field, but not satisfactory to part broad leaved weed, nutgrass flatsedge preventive effect; Cinosulfuron has preventive effect preferably as a kind of sulfonylurea herbicide for paddy field to broad leaved weed, nutgrass flatsedge, but owing to the resistance problem usage amount increases year by year, and invalid to grassy weed such as barnyard grass grass, moleplant seed etc.Therefore, the inventor rationally is mixed penoxsuam, cinosulfuron, finds to have remarkable synergy, paddy field grass family, sedge family and broad leaved weed are prevented and kill off in expansion control of weeds spectrum, a dispenser, reduce spraying times, reduce the effect of control cost, to rice safety.
Summary of the invention
The object of the present invention is to provide a kind of component reasonable, herbicidal spectrum is wide, and preventive effect is good, and drug cost is low, the cinosulfuron-containing that is difficult for developing immunity to drugs and the herbicidal composition of penoxsuam.
Another object of the present invention is to provide above-mentioned composition to be used for preventing and kill off the purposes of rice seedling bed, direct seading rice field, rice transplanting paddy field and transplanting rice field grassy weed, broad leaved weed and sedge weed.
In order to overcome the defective of existing unitary agent, technical scheme of the present invention is to solve like this:
The present invention contains active component cinosulfuron and penoxsuam, and wherein the two weight ratio of cinosulfuron and penoxsuam is 32: 1～1: 32, preferably 8: 1～1: 8.The cumulant of cinosulfuron and penoxsuam (weight sum) is 0.1%～80% of described composition total weight, is preferably 2%～20%.
According to method known in those skilled in the art, can be mixed with agricultural during the herbicidal composition practical application of cinosulfuron-containing of the present invention and penoxsuam and go up any formulation that allows, but preparation formulation is water dispersible granules, wetting powder, pulvis, granule, suspending agent dispersed oil suspending agent.
For water dispersible granules, those skilled in the art are familiar with the corresponding auxiliary agent of use and finish the present invention very much.Dispersant is selected from polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate, alkylphenol polyoxyethylene, EO/PO block polyether; Wetting agent is selected from alkyl sulfate, alkylsulfonate, naphthalene sulfonate, sodium lignin sulfonate, fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene; Disintegrant is selected from ammonium sulfate, sodium sulphate, sodium chloride, ammonium chloride, urea, sucrose, glucose, carboxymethyl cellulose, soluble starch, polyvinylpyrrolidone; Binding agent is selected from polyvinyl alcohol, soluble starch, dextrin, xanthans, carboxymethyl (ethyl) cellulose family; Filler is selected from diatomite, kaolin, white carbon, precipitated calcium carbonate, talcum powder, attapulgite, potter's clay.
To wetting powder, spendable auxiliary agent has: dispersant is selected from polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate; Wetting agent is selected from alkyl sulfate, alkylsulfonate, naphthalene sulfonate; Filler is selected from ammonium sulfate, urea, sucrose, glucose, diatomite, kaolin, white carbon, precipitated calcium carbonate, talcum powder, attapulgite, potter's clay.
To pulvis, spendable filler is selected from diatomite, kaolin, white carbon, fine particle calcium carbonate, talcum powder, attapulgite, potter's clay, clay.
To granule, spendable auxiliary agent has: carrier is selected from ammonium sulfate, urea, potassium dihydrogen phosphate, superphosphate, diatomite, kaolin, white carbon, precipitated calcium carbonate, talcum powder, attapulgite, potter's clay, boccaro rock dust, stone coal slag, clay, sand, common brick, sawdust, starch; Binding agent is selected from paraffin, gypsum, polyvinylpyrrolidone, carboxymethyl (ethyl) cellulose, hydroxypropyl methylcellulose, polyvidone, polyacrylamide, polyethylene glycol, polyvinyl alcohol; Coloring agent is iron oxide.
To suspending agent, spendable auxiliary agent has: dispersant is selected from polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate, TERSPERSE 2425 (U.S. Huntsman Corporation produces, the alkyl naphthalene sulfonic acid salt); Alkyl phenol formaldehyde resin polyoxyethylene ether), farming breast 2201, this dish-60# (common name: sorbitan monostearate), emulsifier T-60 (common name: the sorbitan monostearate APEO), agricultural newborn 1601# (common name: phenethyl phenol polyoxyethylene poly-oxygen propylene aether), TERSPERSE 4894 (U.S. Huntsman Corporation product) emulsifier such as Nongru-700 # (common name:; Wetting agent is selected from alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, alkylphenol-polyethenoxy base ether phosphate, phenethyl phenol polyethenoxy base ether phosphate, alkyl sulfate, alkylsulfonate, naphthalene sulfonate, TERSPERSE 2500 (U.S. Huntsman Corporation product); Thickener is selected from xanthans, polyvinyl alcohol, bentonite, aluminium-magnesium silicate; Preservative is selected from formaldehyde, benzoic acid, Sodium Benzoate; Defoamer is silicone based defoamer; Antifreezing agent is selected from ethylene glycol, propane diols, glycerine, urea, inorganic salts (as sodium chloride).
But to the dispersed oil suspending agent, spendable auxiliary agent has: dispersant is selected from polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate, TERSPERSE 2425; Emulsifier is selected from BY series emulsifier (BY-110, BY-125, BY-140) Nongru-700 #, farming breast 2201, this dish-60#, Tween-60 #, agricultural newborn 1601#, TERSPERSE 4894; Wetting agent is selected from alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, alkylphenol polyoxyethylene phosphate, phenethyl phenol polyethenoxy base ether phosphate, alkyl sulfate, alkylsulfonate, naphthalene sulfonate, TERSPERSE 2500; Thickener is selected from white carbon, polyvinyl alcohol, bentonite, aluminium-magnesium silicate; Antifreezing agent is selected from ethylene glycol, propane diols, glycerine, urea, inorganic salts (as sodium chloride); Stabilizing agent is selected from epoxidized soybean oil, epoxychloropropane, triphenyl phosphate; Dispersion medium is selected from soybean oil, rapeseed oil, corn oil, methyl oleate, diesel oil, machine oil, mineral oil.
Component of the present invention is reasonable, the activity that preventive effect is better than each component when using separately, has synergistic effect, paddy field grass family, sedge family and broad leaved weed are prevented and kill off in expansion control of weeds spectrum, a dispenser, reduce spraying times, reduce the control cost, slow down the generation of weeds resistance, good to crop safety, meet the security requirement of pesticidal preparations.The present invention has preventive effect preferably to rice field grassy weed broad leaved weed and sedge weed.
Embodiment
In order to prevent and treat paddy field broad leaved weed, grassy weed and the sedge weed weeds in the agricultural production, the inventor has carried out Toxicity Determination research with cinosulfuron and penoxsuam, concrete grammar carries out cauline leaf for the indoor pot method to be handled, and test is with reference to " agricultural chemicals indoor bioassay test rule weed killer herbicide the 9th part ".
1.1 reagent agent
The former medicine of 95% cinosulfuron; The former medicine of 95% penoxsuam.
1.2 for the examination weeds
Pondweed Potamogeton octandrus Poir (broad leaved weed)
Cyperus iria Cyperus iria L. (sedge weed)
Barnyard grass grass Echinochloa crus-galli (grassy weed)
1.3 experimental scheme
24 processing are established in this test altogether, wherein cinosulfuron and penoxsuam are established 0.125,0.25,0.5,1.0,2,4 grams/6 dosage processing of hectare respectively, cinosulfuron+penoxsuam the two use with set up 4.0+0.125,2.0+0.125,1.0+0.125,0.5+0.125,0.25+0.125,0.125+0.125,0.125+0.25,0.125+0.5,0.125+1.0,0.125+2.0 separately, 11 dosage ratios of 0.125+4.0 gram/hectare are handled, other establishes 1 auxiliary agent contrast, amount to 24 processing, repeat four times.
1.4 test method
Medicament adopts now with the current, after former medicine adopts dmso solution, adds the Tween 80 emulsifier, prepares 10% mother liquor.According to the medicament characteristic, 6 dosage from high to low are set.
Potted plant cultivation is adopted in the cultivation of target weeds, with 11 * 12cm plastic basin, will not use air-dry, the back dress basin that sieves of the soil of adopting back in the rice field of weed killer herbicide, quantitative 4/5 place of dry ground in the basin, soil pH value 7.0, the content of organic matter 1.2%.Pondweed, cyperus iria, the barnyard grass grass seed that last year, gathered in the field are soaked each about 30 even program request of back at soil surface, blinding 0.5cm～1 centimetre is placed in the greenhouse and cultivates, 28～32 ℃/18～25 ℃ of indoor temperatures (d/n) after planting keep ground moistening.Put when weeds pondweed, cyperus iria, barnyard grass grass 3-5 leaf and spray medicine (ASS-1 type pesticide spraying system, DG8003 shower nozzle, atomisation pressure 2.75MPA, spouting liquid 40kg/ mu) in the spray tower, dispenser keeps the 3cm water layer after 1 day, place to cultivate in the greenhouse to observe.
1.5 weeds investigation and analytical method
Periodical visual inspection is observed growth conditions, poisoning symptom and the poisoning degree of weeds after the dispenser, the record symptom of chemical damage, and the type of action of medicament is used in 14 days and the evaluation of 21 days employing Colby methods with behind the medicine, further inquires into the reasonability of proportioning.
1.5.1 ocular estimate
After the dispenser 14 days with ocular estimate investigation records activity of weeding, adopt following grade scale to investigate:
1 grade: all dead;
2 grades: the 0-2.5% that is equivalent to the blank district;
3 grades: the 2.6-5% that is equivalent to the blank district;
4 grades: the 5.1-10% that is equivalent to the blank district;
5 grades: the 10.1-15% that is equivalent to the blank district;
6 grades: the 15.1-25% that is equivalent to the blank district;
7 grades: the 25.1-35% that is equivalent to the blank district;
8 grades: the 35.1-67.5% that is equivalent to the blank district;
9 grades: the 67.6-100% that is equivalent to the blank district;
1.5.2 growth inhibition assay
In the time of 21 days clip each handle chlorenchyma on the ground, adopt scales/electronic balance weighing, calculate actual survival rate E, adopt formula (2) theory of computation survival rate E0, with the check of Colby method, estimate the two and use synergy type to weeds with.
Actual survival rate E (%)=treatment region weeds fresh weight * 100/ check plot weeds fresh weight (1)
Theoretical survival rate E0=XY/100 (n-1) (2)
When E-E0＞10%, illustrate to produce synergistic effect, when E-E0＜-10%, illustrate to produce antagonism, when E-E0 between ± 10% the time, the generation addition is described.
2 results and analysis
2.1 weeds death condition
After the dispenser 5 days, the barnyard grass grass growth of using the agent of cinosulfuron list to handle slows down, it is withered until death thereupon that pondweed, cyperus iria begin to occur the yellow symptom, the barnyard grass grass terminal bud of dispenser penoxsuam processing in 7 days reddens, beginning is dead, cyperus iria, pondweed terminal bud all have the symptom that reddens in various degree.
2.2 14 days range estimation results behind the medicine
Behind the medicine 14 days, each treatment region weeds is estimated investigation, the result is as follows:
Table 1 cinosulfuron penoxsuam is used the visual observation (level) of 14 days pondweeds behind the medicine with
Table 2 cinosulfuron penoxsuam is used the visual observation (level) of 14 days cyperus irias behind the medicine with
Table 3 cinosulfuron penoxsuam is used the visual observation (level) of 14 days barnyard grass grass behind the medicine with
2.3 21 days investigation results behind the medicine
Table 4 cinosulfuron penoxsuam is used with the actual survival rate of pondweed and theoretical survival rate
Cinosulfuron, penoxsuam are used the virulence to pondweed with: penoxsuam is better to the preventive effect of pondweed, susceptible weeds for medicament, cinosulfuron is general to the preventive effect of pondweed, along with the increase of cinosulfuron, penoxsuam consumption, uses the back with to the preventive effect raising of pondweed.Actual preventive effect difference after using with as seen from Table 4 is substantially greater than 10%, and the preventive effect to pondweed after the two is used with is synergistic effect.
Table 5 cinosulfuron penoxsuam is used with the actual survival rate of cyperus iria and theoretical survival rate
Cinosulfuron, penoxsuam are used the virulence to cyperus iria with: cinosulfuron, penoxsuam are general to the preventive effect of cyperus iria, along with the increase of cinosulfuron, penoxsuam consumption, use the back with the preventive effect of cyperus iria is improved greatly.Actual preventive effect difference after using with as seen from Table 5 is substantially greater than 10%, and the preventive effect to cyperus iria after the two is used with is synergistic effect.
Table 6 cinosulfuron penoxsuam is used with the actual inhibiting rate of barnyard grass grass and theoretical inhibiting rate
Cinosulfuron, penoxsuam are used the virulence to the barnyard grass grass with: penoxsuam is to the preventive effect excellence of barnyard grass grass, susceptible weeds for medicament, cinosulfuron has stronger inhibitory action to the barnyard grass grass, and along with the increase of cinosulfuron, penoxsuam consumption, the preventive effect to the barnyard grass grass after using with improves greatly.Actual preventive effect difference after using with as seen from Table 6 is substantially greater than 10%, and the preventive effect to the barnyard grass grass after the two is used with is synergistic effect.
Can find out from above result of the test, cinosulfuron, penoxsuam are used with, pondweed, cyperus iria, barnyard grass grass are synergistic effect, use with to have enlarged and kill the grass spectrum, delay the weeds resistance, reduced the content of cinosulfuron and the two single agent of penoxsuam, improved total preventive effect, reduced application cost, safer to crop, the two uses certain feasibility with on producing.
Be described further below in conjunction with the content of the present invention of embodiment.
FORMULATION EXAMPLE 1:
Take by weighing 40% cinosulfuron, 40% penoxsuam, 3%TERSPERSE 2700 (polycarboxylate, U.S. Huntsman Corporation produces), 2% dispersing agent NNO (alkylnaphthalene sulfonate formaldehyde condensation products), 1% Nekal BX (nekal), 1%K-12 (lauryl sodium sulfate), 3% soluble starch, 3% glucose, kaolin adds to 100% weight portion.The method of the frequent regulation of above-mentioned raw materials water intaking dispersible granule is namely mixed, 80% cinosulfuron penoxsuam water dispersible granules is produced in the pulverizing of ultra micro air-flow, mixing, granulation step.
FORMULATION EXAMPLE 2
Take by weighing 2% cinosulfuron, 64% penoxsuam, 3%TERSPERSE 2700,4% sodium lignin sulfonate, 1% Nekal BX, 1%K-12,1% carboxymethyl cellulose, 3% urea, diatomite and add to 100% weight portion.The method of the frequent regulation of above-mentioned raw materials water intaking dispersible granule is namely mixed, 66% cinosulfuron penoxsuam water dispersible granules is produced in the pulverizing of ultra micro air-flow, mixing, granulation step.
FORMULATION EXAMPLE 3:
Take by weighing 32% cinosulfuron, 1% penoxsuam, 4%TERSPERSE 2700,1% Nekal BX, 1%K-12,0.8% dextrin, 5% ammonium sulfate, attapulgite and add to 100% weight portion.The method of the frequent regulation of above-mentioned raw materials water intaking dispersible granule is namely mixed, 33% cinosulfuron penoxsuam water dispersible granules is produced in the pulverizing of ultra micro air-flow, mixing, granulation step.
FORMULATION EXAMPLE 4:
Take by weighing 20% cinosulfuron, 2.5% penoxsuam, 4%Morwet D-425 (alkylnaphthalene sulfonate, Akzo Nobel N.V. produces), 3% dispersing agent NNO, 2% Nekal BX, 2%K-12,2% polyvinylpyrrolidone, 0.5% xanthans, kaolin adds to 100% weight portion.The method of the frequent regulation of above-mentioned raw materials water intaking dispersible granule is namely mixed, 22.5% cinosulfuron penoxsuam water dispersible granules is produced in the pulverizing of ultra micro air-flow, mixing, granulation step.
FORMULATION EXAMPLE 5
Take by weighing 3% cinosulfuron, 24% penoxsuam, 5% calcium lignosulfonate, 2% Nekal BX, 1%K-12,3% White Carbon black, kaolin and add to 100% weight portion.Above-mentioned raw materials is through mixing, and air-flow makes 27% cinosulfuron penoxsuam wetting powder after pulverizing.
FORMULATION EXAMPLE 6
Take by weighing 10% cinosulfuron, 8% penoxsuam, 4% calcium lignosulfonate, 3%TERSPERSE2700,2% Nekal BX, 1%K-12,3% White Carbon black, precipitated calcium carbonate and add to 100% weight portion.Above-mentioned raw materials is through mixing, and air-flow makes 18% cinosulfuron penoxsuam wetting powder after pulverizing.
FORMULATION EXAMPLE 7
Take by weighing 1% cinosulfuron, 1% penoxsuam, 4% calcium lignosulfonate, 3% dispersing agent NNO, 1% Nekal BX, 1%K-12,3% White Carbon black, attapulgite and add to 100% weight portion.Above-mentioned raw materials is through mixing, and air-flow makes 2% cinosulfuron penoxsuam wetting powder after pulverizing.
FORMULATION EXAMPLE 8
Take by weighing 15% cinosulfuron, 5% penoxsuam, 4% sodium lignin sulfonate, 2%TERSPERSE2700,2%K-12,3% White Carbon black, potter's clay and add to 100% weight portion.Above-mentioned raw materials is through mixing, and air-flow makes 20% cinosulfuron penoxsuam wetting powder after pulverizing.
FORMULATION EXAMPLE 9
Take by weighing 8% cinosulfuron, 2% penoxsuam, 5% White Carbon black, kaolin and add to 100% weight portion.Above-mentioned raw materials is through mixing, and air-flow makes 10% cinosulfuron penoxsuam pulvis after pulverizing.
FORMULATION EXAMPLE 10
Take by weighing 0.25% cinosulfuron, 0.25% penoxsuam, 10% diatomite, talcum powder and add to 100% weight portion.Above-mentioned raw materials is through mixing, and air-flow makes 0.5% cinosulfuron penoxsuam pulvis after pulverizing.
FORMULATION EXAMPLE 11
Take by weighing 0.7% cinosulfuron, 1.3% penoxsuam, 3% paraffin, 2% white carbon, 1% iron oxide, sand and add to 100% weight portion.In the coating method granulation above-mentioned raw materials, cinosulfuron, penoxsuam and white carbon mixed powder are broken into female powder, standby; The paraffin hot melt is in a liquid state to spray into washes and drying and preheating to 50 ℃ sand, and after mixing, female powder is added, stirred 5～10 minutes, be cooled to normal temperature, make 2% cinosulfuron penoxsuam granule.
FORMULATION EXAMPLE 12
Take by weighing 2% cinosulfuron, 8% penoxsuam, 15% starch, 0.5% polyvinylpyrrolidone, 1% iron oxide, fine particle calcium carbonate and add to 100% weight portion.The extruding granulation is granulated: above-mentioned raw materials adds water and mediates after mix, air-flow is pulverized, extruding granulating, and oven dry, and screening makes 10% cinosulfuron penoxsuam granule.
FORMULATION EXAMPLE 13
Take by weighing 8% cinosulfuron, 12% penoxsuam, 3%TERSPERSE 4894,2%TERSPERSE 2500,1%TERSPERSE 2425,0.2% xanthans, 5% ethylene glycol, 0.3% benzoic acid, 0.5% silicone defoaming agent deionized water and add to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, with making 20% cinosulfuron penoxsuam suspending agent behind the sand mill sand milling.
FORMULATION EXAMPLE 14
Take by weighing 5% cinosulfuron, 5% penoxsuam, 1.5%NNO, 1%TERSPERSE 2500,2% emulsifier T-60,3% Nongru-700 #, 0.1% xanthans, 5% propane diols, 0.5% formaldehyde, 0.3% silicone defoaming agent deionized water and add to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, with making 10% cinosulfuron penoxsuam suspending agent behind the sand mill sand milling.
FORMULATION EXAMPLE 15
Take by weighing 6% cinosulfuron, 10% penoxsuam, 3%TERSPERSE 4894,1%TERSPERSE 2500,1%TERSPERSE 2425,0.2% xanthans, 1% aluminium-magnesium silicate, 5% ethylene glycol, 0.3% Sodium Benzoate, 0.5% silicone defoaming agent deionized water and add to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, with making 16% cinosulfuron penoxsuam suspending agent behind the sand mill sand milling.
FORMULATION EXAMPLE 16:
Take by weighing 20% cinosulfuron, 10% penoxsuam, 3% Nongru-700 #, 2% agricultural newborn 1601#, 1.5%TERSPERSE 2500,0.5%TERSPERSE 2425,0.2% xanthans, 3% white carbon, 5% ethylene glycol, 0.3% benzoic acid, 0.5% silicone defoaming agent deionized water and add to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, with making 30% cinosulfuron penoxsuam suspending agent behind the sand mill sand milling.
FORMULATION EXAMPLE 17
Take by weighing 3% cinosulfuron, 2% penoxsuam, 2%TERSPERSE 2425,4% this dish-60#, 3% Tween-60 #, 2% Nongru-700 #, 1%TERSPERSE 2500,0.5% white carbon, 5% propane diols, 1% epoxychloropropane, methyl oleate and add to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, but with making 5% cinosulfuron penoxsuam dispersed oil suspending agent behind the sand mill sand milling.
FORMULATION EXAMPLE 18
Take by weighing 3% cinosulfuron, 3% penoxsuam, 2% dispersing agent NNO, 3% agricultural newborn 2201#, 8%BY-110,1%TERSPERSE 2500,1% aluminium-magnesium silicate, 3% propane diols, 15% epoxidized soybean oil, soybean oil and add to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, but with making 6% cinosulfuron penoxsuam dispersed oil suspending agent behind the sand mill sand milling.
FORMULATION EXAMPLE 19
Take by weighing 4% cinosulfuron, 6% penoxsuam, 3%TERSPERSE 2425,3% this dish-60#, 3% Tween-60 #, 8%BY-110,1%TERSPERSE 2500,0.5% white carbon, 5% propane diols, 20% epoxidized soybean oil, methyl oleate and add to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, but with making 10% cinosulfuron penoxsuam dispersed oil suspending agent behind the sand mill sand milling.
FORMULATION EXAMPLE 20
Take by weighing 5% cinosulfuron, 2.5% penoxsuam, 3% dispersing agent NNO, 5%BY-125,4% this dish-60#, 4% agricultural newborn 1601#, 1% phenethyl phenol polyethenoxy base ether phosphate, 0.5% bentonite, 5% glycerine, 3% triphenyl phosphate, rapeseed oil and add to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, but with making 7.5% cinosulfuron penoxsuam dispersed oil suspending agent behind the sand mill sand milling.
Biological example 1 is prevented and kill off the paddy field weed field control effectiveness test
The inventor has carried out 6% cinosulfuron penoxsuam (3%+3%) on June 10th, 2010 at the Jiaxing City, Zhejiang Province rice direct seeding field and can disperse oil suspending agent to the test of paddy field weed.The field main weeds has Eclipta prostrata, Monochoria korsakowii, pondweed, barnyard grass grass and difformed galingale herb, and the weeds leaf age is in 2～4 leaf phases.Test medicine and dosage are that 6% cinosulfuron penoxsuam can disperse oil suspending agent 20g/ mu, 30g/ mu, 40g/ mu, and 25g/ rises penoxsuam can disperse oil suspending agent 60ml/ mu, 10% cinosulfuron wetting powder 20g/ mu.Adopt conventional spray-on process.
Table 7 6% penoxsuam bensulfuron-methyl can disperse oil suspending agent to the rice direct seeding field weed control efficacy
Table 8 6% penoxsuam bensulfuron-methyl can disperse oil suspending agent to the rice direct seeding field weed control efficacy
Table 9 6% penoxsuam bensulfuron-methyl can disperse oil suspending agent to the rice direct seeding field weed control efficacy
Result of the test shows: 6% penoxsuam bensulfuron-methyl can disperse behind oil suspending agent 30g/ mu, the 40g/ mu medicine the average strain preventive effect of Monochoria korsakowii, pondweed, Eclipta prostrata, difformed galingale herb, barnyard grass grass and fresh weight preventive effect all to be significantly higher than contrast medicament 2.5% penoxsuam in 30 days can disperse oil suspending agent 60ml/ mu, 10% cinosulfuron wetting powder 20g/ mu, illustrate after two medicaments are mixed and in use in the land for growing field crops, obvious synergistic effect is arranged, save drug cost simultaneously, enlarged the control of weeds spectrum.
Biological example 2 is prevented and kill off the paddy field weed field control effectiveness test
The inventor has carried out the test of 18% cinosulfuron penoxsuam (10%+8%) wetting powder to paddy field weed on June 25th, 2010 at Zhejiang Province's fairy house county transplanted rice field.The field main weeds has Eclipta prostrata, Monochoria korsakowii, Procumbent Falsepimpernel, barnyard grass grass and cyperus iria, and the weeds leaf age is in 2～4 leaf phases.Test medicine and dosage are 18% cinosulfuron penoxsuam wetting powder 8g/ mu, 10g/ mu, 12g/ mu, and 25g/ rises penoxsuam oil suspending agent 60ml/ mu, 10% cinosulfuron wetting powder 20g/ mu.Adopt conventional spray-on process.
Table 10 18% cinosulfuron penoxsuam wetting powder is to the transplanted rice field weed control efficacy
Table 11 18% cinosulfuron penoxsuam wetting powder is to the transplanted rice field weed control efficacy
Table 12 18% cinosulfuron penoxsuam wetting powder is to the transplanted rice field weed control efficacy
Result of the test shows: the average strain preventive effect of Monochoria korsakowii, Procumbent Falsepimpernel, Eclipta prostrata, cyperus iria, barnyard grass grass and fresh weight preventive effect all being higher than contrast medicament 25g/ in 30 days behind 18% penoxsuam cinosulfuron wetting powder 10g/ mu, the 12g/ mu medicine rises penoxsuam and can disperse oil suspending agent 60ml/ mu, 10% cinosulfuron wetting powder 20g/ mu, illustrating after two medicaments are mixed has obvious synergistic effect in use in the land for growing field crops, saved drug cost simultaneously.
Comprehensively above-mentioned, component of the present invention is reasonable, the activity that preventive effect is better than each component when using separately, field control effectiveness test verifies that its combination has synergistic effect, and paddy field grass family, sedge family and broad leaved weed are prevented and kill off in expansion control of weeds spectrum, a dispenser, reduce spraying times, reduce the control cost, slow down the generation of weeds resistance, good to crop safety, meet the security requirement of pesticidal preparations.
Claims (8)
1. the herbicidal composition of a cinosulfuron-containing and penoxsuam, it is characterized in that: herbicidal composition contains two kinds of active component cinosulfurons and penoxsuam, and wherein the two weight ratio of cinosulfuron and penoxsuam is 32:1 ~ 1:32.
2. according to the herbicidal composition of the described cinosulfuron-containing of claim 1 and penoxsuam, it is characterized in that: the two weight ratio of cinosulfuron and penoxsuam is 8:1 ~ 1:8.
3. according to the herbicidal composition of claim 1 or 2 described cinosulfuron-containings and penoxsuam, it is characterized in that: the cumulant of cinosulfuron and penoxsuam is 0.1%～80% of described composition total weight.
4. according to the herbicidal composition of the described cinosulfuron-containing of claim 3 and penoxsuam, it is characterized in that: the cumulant of cinosulfuron and penoxsuam is 2%～20% of described composition total weight.
5. according to the herbicidal composition of the described cinosulfuron-containing of claim 1 and penoxsuam, it is characterized in that: described combination dosage form is water dispersible granules or wetting powder.
6. according to the herbicidal composition of the described cinosulfuron-containing of claim 1 and penoxsuam, it is characterized in that: described combination dosage form is pulvis, granule or suspending agent.
7. according to the herbicidal composition of the described cinosulfuron-containing of claim 1 and penoxsuam, it is characterized in that: but described combination dosage form is the dispersed oil suspending agent.
8. the application of the described herbicidal composition of claim 1 in preventing and kill off rice seedling bed, direct seading rice field, rice transplanting paddy field and transplanting rice field grassy weed, broad leaved weed and sedge weed.
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| EP2672825A4 (en) * | 2011-02-11 | 2014-09-10 | Dow Agrosciences Llc | Stable agrochemical oil dispersions |
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| CN103039484A (en) * | 2011-10-17 | 2013-04-17 | 南京华洲药业有限公司 | Mixed herbicide containing cinosulfuron and bensulfuron methyl and application thereof |
| CN102578082B (en) * | 2012-01-12 | 2014-08-13 | 中国科学院合肥物质科学研究院 | Method for controlling loss of pesticide at high efficiency and low cost |
| CN103371161B (en) * | 2012-04-28 | 2016-08-03 | 陕西韦尔奇作物保护有限公司 | A kind of Herbicidal combinations containing AC322140 |
| CN106577712A (en) * | 2015-10-16 | 2017-04-26 | 江苏龙灯化学有限公司 | Weeding composition |
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