CN105379733A - Flufenacet and terbuthylazine compound cornfield herbicide - Google Patents
Flufenacet and terbuthylazine compound cornfield herbicide Download PDFInfo
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- CN105379733A CN105379733A CN201510827759.1A CN201510827759A CN105379733A CN 105379733 A CN105379733 A CN 105379733A CN 201510827759 A CN201510827759 A CN 201510827759A CN 105379733 A CN105379733 A CN 105379733A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/82—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with three ring hetero atoms
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/66—1,3,5-Triazines, not hydrogenated and not substituted at the ring nitrogen atoms
- A01N43/68—1,3,5-Triazines, not hydrogenated and not substituted at the ring nitrogen atoms with two or three nitrogen atoms directly attached to ring carbon atoms
- A01N43/70—Diamino—1,3,5—triazines with only one oxygen, sulfur or halogen atom or only one cyano, thiocyano (—SCN), cyanato (—OCN) or azido (—N3) group directly attached to a ring carbon atom
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Abstract
The invention discloses a cornfield herbicide composition. The herbicide is prepared from active components of flufenacet and terbuthylazine, wherein the weight of the active components is 40 percent-80 percent of the total weight of the composition, and the weight ratio of the flufenacet to the terbuthylazine as the active components is 5 : (1 to 5). The herbicide can be prepared into a suspending agent, wettable powder or water dispersible granules. The herbicide is used for preventing and removing annual gramineous weeds and broadleaf weeds, can reduce pollution to underground water, has good compatibility with environment, and has the advantages of safety to corn, low toxicity and high efficiency, wide herbicide controlling spectrum and the like.
Description
Technical field
The invention belongs to pesticide field, relate in particular to a kind of corn field herbicide, more particularly, it relates to the composite corn field herbicide of a kind of flufenacet Garagard.
Technical background
The medicament that before at present broadcasting rear seedling for corn, management of weeds carries out soil treatment mainly contains single dose and the mix preparations thereof such as alachlor, Acetochlor, isopropyl methoxalamine, propisochlor, atrazine, piperazine humulone.Wherein, Acetochlor, atrazine and second green bristlegrass mixture are the weed killer herbicide kinds that China's corn field application area is larger.Although Acetochlor is to annual gramineae and part annual broadleaf weed; as barnyard grass, lamb's-quarters, Amaranthus retroflexus, kitchen garden etc. have good preventive effect; but it is poor to acalypha copperleaf, preventive effect such as horse race seedling, piemarker, wild broomcorn millet etc., to horse race seedling nearly unavailable (Zhao Wei. the different weed killer herbicide Control Weeds in Maize Field test of pesticide effectiveness. plant protection .2011 August).And Acetochlor is poor to corn safety, when large usage quantity or low temperature and high relative humidity, can affect its grow (Huang Chunyan. soil moisture is on the impact of Acetochlor poisoning. Chinese agronomy circular .2006 August).Although atrazine has good preventive effect to annual gramineae and broad leaved weed, but its lasting period is long, come into operation for a long time, easily soil, surface water and underground water are polluted, and the chemical injury of crops event that the atrazine entering river by the rolling action of rainwash causes also happens occasionally.At present, its European Union prohibit the use (thank to civilization. the residue dynamics of atrazine in soil and Coptotermes firmosanus. Pesticide Science journal .2003 March).In the Spring Corn Area of Northeast of China of China, long-time use second green bristlegrass mixture, some areas Weed-control effect is caused to decline, weed community changes, the frequency that piemarker, field thistle, bitter dish and Siberian cocklebur occur and density significantly rise (Wang Shiwen. the causes and precautions that northeast part spring corn ground second green bristlegrass mixture preventive effect declines. Maize Sciences .2007 February).
Flufenacet (Flufenacet), No. CAS: 142459-58-3, the fluoro-N-isopropyl of chemical name: 4'--2-(5-Trifluoromethyl-1,3,4-thiadiazoles-2-base oxygen) antifebrin, belong to herbicide of aryloxyl acetamide type, played a role by T suppression cell division and growth, be mainly used in before bud or broad leaved weed that bud rear defence is sprouted except Tanaka's annual gramineous weeds such as corn, wheat, barley, soybean and some small-sized seed, as lady's-grass, eleusine indica, Annual Ryegrass etc.But flufenacet soil treatment is poor to large seed broad leaved weed preventive effect, herbicide spectrum is narrower.Therefore, the flufenacet mainly composite use with broadleaf weed herbicide.At present, the compound product merchandized handling of flufenacet and piperazine humulone, diflufenican, pendimethalin and isoxazole humulone isoreactivity composition.Flufenacet to corn safety, consumption be 300 and 600ga.i./ha condition under to Course of Corn Seed Germination and growth of seedling without obvious inhibitory action (Saayman-duToitA.Phytotoxicityofsevengraminicidesonmaize. SouthAfricanJournalofPlantandSoil.2002).In addition, flufenacet and Environmental compatibility good, only there is the face, top layer of soil, the deep layer of soil can not be seeped into, reduce its polluted underground water possibility (Liu's treasured is arrogated to oneself. the study on the synthesis of flufenacet. Hebei University of Science and Technology master thesis .2013 May).At present, domesticly the patented mandate of composition (CN101965846A, CN101946781A, CN101999373A, CN102334485B) is obtained about multiple mixture of herbicides such as flufenacet and nicosulfuron, fluroxypyr, cyhalofop-butyl, piclorams.
Garagard (terbuthylazine), the special fourth amino of No. CAS: 5915-41-3, chemical name: 2-chloro-4--6-ethylamino-1,3,5-triazine, belongs to triazine herbicide, mainly through the root absorption of plant, be applied to the crop fields such as corn, peanut, jowar and prevent and kill off multiple weeds.Garagard has good effect to most annual broadleaf weed, as Amaranthus retroflexus, kitchen garden, carp intestines, black nightshade, lamb's-quarters etc., but to the preventive effect of grassy weed significantly lower than to broad leaved weed preventive effect (Li Guangsong. Garagard is in Summer Maize Field in Shandong Province application technical research. Shandong Agricultural University master thesis .2005 April).The solvability of Garagard in water is 8.5mg/L, significantly lower than atrazine (33.0mg/L), and the half life period of Garagard in soil is shorter, half life period in sandy soil and clay is respectively 23 days and 37 days, can't detect residual (the James.Degradationandmovementofterbuthylazineinsoil.Proce edingsoftheNewZealandPlantProtectionConference.1998) of Garagard under soil depth 10cm.In addition, Garagard is better to the safety of crop, its to the safety of corn, cotton and peanut all higher than atrazine.(Wang Liping. Garagard compares with prometryn, the safety of atrazine to 3 kinds of crops. modern .2005 August).
Summary of the invention
The object of the invention is to avoid above-mentioned defect, provide the corn field herbicide that a kind of flufenacet Garagard is composite, preemergence application after corn is broadcast, both can be used for preventing and kill off grassy weed, and can broad leaved weed have been prevented and treated again.This Herbicidal combinations not only can expand herbicide spectrum, and can alleviate the pollution to underground water, good with Environmental compatibility, and to corn safety.
Technical scheme of the present invention is achieved in that the composite corn field herbicide of this flufenacet Garagard, it is characterized in that: weed killer herbicide comprises flufenacet and the Garagard active component that percentage by weight is 40% ~ 80%, and auxiliary agent; Wherein the weight ratio of active component flufenacet and Garagard is 5: (1 ~ 5).
The corn field herbicide that described flufenacet Garagard is composite, flufenacet and Garagard weight ratio 5:3.
The corn field herbicide that described flufenacet Garagard is composite, the application form of weed killer herbicide is suspending agent, auxiliary agent comprises 0.2 ~ 1% wetting agent, 0.3 ~ 3% dispersant, 0.2 ~ 5% thickener, 0.1 ~ 10% stabilizing agent, 5 ~ 10% antifreezing agents and 0.1 ~ 2% defoamer, supplies surplus with water.
Corn field herbicide that described flufenacet Garagard is composite, its suspending agent comprises following percentage by weight:
The former medicine of 95% flufenacet: 21.05 ~ 70.18%,
The former medicine of 97% Garagard: 6.87 ~ 41.24%,
In above-mentioned auxiliary agent:
Wetting agent be neopelex, lauryl sodium sulfate, agriculture breast BY110, agriculture breast 1601, agriculture breast 1602, in Nongru-700 any one or multiple 0.2% ~ 1%;
Dispersant be in sodium lignin sulfonate, calcium lignosulfonate, metal carboxylate dispersant Tersperse2700, NO, NNO, MF-5 any one or multiple 0.3% ~ 3%;
Thickener be in aluminium-magnesium silicate, xanthan gum, polyvinyl alcohol any one or multiple 0.2% ~ 5%;
Stabilizing agent be in bentonite, precipitated calcium carbonate, white carbon, diatomite, crushed crude pearlite, silica gel, talcum powder, calcium silicates any one or multiple 0.1% ~ 10%;
Antifreezing agent be in 1,2-PD, ethylene glycol, sodium chloride, urea any one or multiple 5% ~ 10%.
Defoamer be in silicone, BX-822, palmitic acid, lauric acid any one or multiple 0.1% ~ 2%;
Surplus is water.
Corn field herbicide that described flufenacet Garagard is composite, following percentage by weight selected by described suspending agent: (5:3)
The corn field herbicide that described flufenacet Garagard is composite, the application form of weed killer herbicide is water dispersible granules, auxiliary agent comprise 1 ~ 10% dispersant, 1 ~ 10% wetting agent, 3 ~ 6% disintegrant, 2 ~ 8% binding agents and 3 ~ 6% disintegrants, supply surplus with carrier.
Corn field herbicide that described flufenacet Garagard is composite, its water dispersible granules comprises following percentage by weight:
The former medicine of flufenacet of 95%: 21.05 ~ 70.18%,
The former medicine of Garagard of 97%: 6.87 ~ 41.24%,
In above-mentioned auxiliary agent:
Dispersant is that lignosulfonates, naphthalene sulfonate, naphthalenesulfonate formaldehyde condensation compound, polycarboxylate etc. are containing any one in the surfactant of anionic group (as carboxylate radical, sulfonate radical) or multiple 1 ~ 10%;
Wetting and penetrating agent is SOPA, pull open in powder, petroleum sodium sulfonate, sldium lauryl sulfate, JFC, wetting agent T, agriculture breast 2000, Tween60, octyl sulfate, dodecyl phenenyl sulfate, Chinese honey locust, isopropyl alcohol any one or multiple 1 ~ 10%;
Disintegrant be in sodium carboxymethylcellulose, soluble starch, polyethyl acrylate, calcium chloride, ammonium sulfate any one or multiple 3 ~ 6%;
Binding agent be in xanthans, polyvinyl alcohol, polyvinylpyrrolidone, polyethylene glycol, dextrin, soluble starch any one or multiple 2 ~ 8%;
Carrier be in kaolin, precipitated calcium carbonate, bentonite, imvite, talcum powder, clay, diatomite, corncob cellulose, white carbon, precipitated calcium carbonate any one or multiplely supply surplus.
Corn field herbicide that described flufenacet Garagard is composite, described water dispersible granules selects following percentage by weight: (5:3)
The corn field herbicide that described flufenacet Garagard is composite, the application form of weed killer herbicide is wetting powder, and auxiliary agent comprises 1 ~ 15% dispersant and 1 ~ 10% wetting agent, supplies surplus with carrier.
Corn field herbicide that described flufenacet Garagard is composite, its wetting powder comprises following percentage by weight:
The former medicine of flufenacet of 95%: 21.05 ~ 70.18%,
The former medicine of Garagard of 97%: 6.87 ~ 41.24%,
In above-mentioned auxiliary agent:
Dispersant is lignosulfonates, NNO, pull open in powder one or more 1 ~ 15%;
Wetting agent be in Negel, alkyl naphthalene sulfonic acid calcium, alkylphenol polyoxyethylene, fatty alcohol phenol polyethenoxy ether one or more 1 ~ 10%;
Carrier be in potter's clay, kaolin, diatomite, calcium carbonate, white carbon any one or multiplely supply surplus.
Corn field herbicide that described flufenacet Garagard is composite, following percentage by weight selected by described wetting powder: (5:3)
The beneficial effect of the corn field herbicide that flufenacet Garagard provided by the invention is composite:
(1) preventive effect is improved, synergistic effect is obvious, expand herbicide spectrum: the preventive effect to the broad leaved weeds such as lady's-grass, eleusine indica, piemarker and acalypha copperleaf and grassy weed after the two is composite, can be significantly improved, performance synergistic effect, improve preventive effects such as lady's-grass, eleusine indica, piemarker and acalypha copperleafs and reach more than 90%, the preventive effect of field to weeds is obviously better than Common Herbicides.
(2) improve the safety of crop, avoid corn phytotoxicity: relative to blank, corn yield increasing 9.7%-14.7%.After not finding the medication of flufenacet Garagard in process of the test there is symptom of chemical damage in corn, also has no these two kinds of medicaments cause poisoning relevant report to corn at present.
Embodiment
The embodiment of the present invention, to process 100g preparation, uses active component to be selected from:
Content is the former medicine of 95% flufenacet (Anhui Fengle Agricultural Co., Ltd),
Content is the former medicine of 97% Garagard (Shandong Bin Dong Science and Technology Ltd.),
Corresponding additive is commercially available.
Embodiment 140% flufenacet Garagard suspending agent (5:3)
Its processing step is: get after flufenacet and the former medicine of Garagard carry out drying, weighing, pulverizing according to above-mentioned formula, former medicine, dispersant, wetting agent, viscosity modifier, antifreezing agent etc. are dropped in modulation kettle successively, after agitator fully mixes, just disperse with high-speed shearing machine, then in sand mill, be ground to effective ingredient particle diameter to 2 μm ~ 3 μm, after quality inspection is qualified, is finished product.
Embodiment 260% flufenacet Garagard water dispersible granules (5:1)
Its processing step is: get the auxiliary agent such as flufenacet and the former medicine of Garagard, dispersant, wetting agent, disintegrant, defoamer, binding agent and a small amount of filler according to above-mentioned formula, by wet method or dry pulverization process, after making it miniaturization, again by technique granulations such as spraying dry, thermopnore, extruding, disk granulations, just water dispersible granules can be obtained.
Embodiment 370% flufenacet Garagard wetting powder (5:2)
Its processing step is: according to above-mentioned formula take material, according to after first many less, first heavy after after light, first filler the principle of auxiliary agent mix, pin rod milling is adopted to pulverize, make raw meal particle size between 150 ~ 200 orders, further pulverize through airslide disintegrating mill, then through whirlwind dust excluder and impulse bag trap carry out two-stage mixing obtain.
Embodiment 445% flufenacet Garagard suspending agent (5:4)
Its processing step is: get after flufenacet and the former medicine of Garagard carry out drying, weighing, pulverizing according to above-mentioned formula, former medicine, dispersant, wetting agent, viscosity modifier, antifreezing agent etc. are dropped in modulation kettle successively, after agitator fully mixes, just disperse with high-speed shearing machine, then in sand mill, be ground to effective ingredient particle diameter to 2 μm ~ 3 μm, after quality inspection is qualified, is finished product.
Embodiment 580% flufenacet Garagard water dispersible granules (5:3)
Its processing step is: get the auxiliary agent such as flufenacet and the former medicine of Garagard, dispersant, wetting agent, disintegrant, defoamer, binding agent and a small amount of filler according to above-mentioned formula, by wet method or dry pulverization process, after making it miniaturization, again by technique granulations such as spraying dry, thermopnore, extruding, disk granulations, just water dispersible granules can be obtained.
Embodiment 657% flufenacet Garagard wetting powder (5:4.5)
Its processing step is: according to above-mentioned formula take material, according to after first many less, first heavy after after light, first filler the principle of auxiliary agent mix, pin rod milling is adopted to pulverize, make raw meal particle size between 150 ~ 200 orders, further pulverize through airslide disintegrating mill, then through whirlwind dust excluder and impulse bag trap carry out two-stage mixing obtain.
Embodiment 750% flufenacet Garagard suspending agent (5:5)
Its processing step is: get after flufenacet and the former medicine of Garagard carry out drying, weighing, pulverizing according to above-mentioned formula, former medicine, dispersant, wetting agent, viscosity modifier, antifreezing agent etc. are dropped in modulation kettle successively, after agitator fully mixes, just disperse with high-speed shearing machine, then in sand mill, be ground to effective ingredient particle diameter to 2 μm ~ 3 μm, after quality inspection is qualified, is finished product.
Embodiment 875% flufenacet Garagard water dispersible granules (5:2.5)
Its processing step is: get the auxiliary agent such as flufenacet and the former medicine of Garagard, dispersant, wetting agent, disintegrant, defoamer, binding agent and a small amount of filler according to above-mentioned formula, by wet method or dry pulverization process, after making it miniaturization, again by technique granulations such as spraying dry, thermopnore, extruding, disk granulations, just water dispersible granules can be obtained.
Embodiment 980% flufenacet Garagard wetting powder (5:3)
Its processing step is: according to above-mentioned formula take material, according to after first many less, first heavy after after light, first filler the principle of auxiliary agent mix, pin rod milling is adopted to pulverize, make raw meal particle size between 150 ~ 200 orders, further pulverize through airslide disintegrating mill, then through whirlwind dust excluder and impulse bag trap carry out two-stage mixing obtain.
Flufenacet and Garagard mixture are to the herbicidal effect of corn field weed and synergy determination test
1. for examination weeds and cultural method
Examination weeds are supplied to be lady's-grass (Digitariasanguinalis), acalypha copperleaf (Acalyphaaustralis).
Concrete cultural method: at in-built soil to 4/5 place of the polypots of high 10cm, diameter 11cm, adopt bottom infiltrating irrigation mode, make the soil in basin alms bowl completely moistening, by pretreated for trying the uniform broadcasting of target weed seed in soil surface, 20 seeds in every basin alms bowl, then earthing 0.8cm, be placed in greenhouse and cultivate, condition of culture is: temperature 15 ~ 20 DEG C/25 ~ 30 DEG C (N/D), illumination 0/8000 ~ 10000lx (N/D), light application time 12h/12h (N/D), relative moisture is 70% ± 10%.With the required moisture of bottom infiltration mode regular replenishment growth between culture period.
2. reagent agent and compound method
Reagent agent: the former medicine of flufenacet (Anhui Fengle Agricultural Co., Ltd) of 95%, the former medicine of Garagard (Shandong Bin Dong Science and Technology Ltd.) of 97%.
With former medicine needed for electronic balance precise, with dmso solution, finally with the Tween 80 aqueous solution of 0.1%, above-mentioned single dose is diluted to desired concn.
3. application method
After treating that weed seed is sowed 24 hours, utilize ASS-1 type pesticide spraying system (XR8003 shower nozzle, atomisation pressure 0.3MPa, spouting liquid 400L/ha) to process, often process repetition 4 times, and set the process not containing medicament as contrasting.Process is placed in greenhouse and continues to cultivate, and the growing state of routine observation target weeds, takes acrial part fresh weight after 21d, calculate fresh weight preventive effect.
4. synergy evaluation method
Evaluate weed killer herbicide mode of application (NY/T1155.7-2006) according to Gowing method, its formula is as follows:
in formula X be flufenacet alone with certain dosage time fresh weight inhibition to target weeds; Y be Garagard alone with certain dosage time fresh weight inhibition to target weeds; E
0for the theoretical value to target weeds fresh weight inhibition when flufenacet and Garagard two kinds of pharmacy mix.E be flufenacet and Garagard two kinds of pharmacy mix time measured value to target weeds fresh weight inhibition.
Evaluation criterion is: work as E-E
0be expressed as synergistic effect during > 10%, be expressed as summation action when-10%≤E-E0≤10%, work as E-E
0antagonism is expressed as during <-10%.
Table 1 flufenacet and Garagard and compounded combination thereof are to the preventive effect of lady's-grass, acalypha copperleaf
As can be seen from Table 1, flufenacet and the composite rear fresh weight preventive effect to lady's-grass and acalypha copperleaf of Garagard are all significantly improved when comparatively the two is used alone.The two is composite rear to lady's-grass and the fresh weight preventive effect of acalypha copperleaf and the difference (E-E of theoretical preventive effect
0) respectively between 4.2 ~ 12.8,5.0 ~ 12.4.Wherein, flufenacet and Garagard compound proportion are 5:(1 ~ 5) under condition, to lady's-grass and the fresh weight preventive effect of acalypha copperleaf and the difference (E-E of theoretical preventive effect
0) be all greater than 10, show obvious synergistic effect.Flufenacet: when Garagard is 5:3, to lady's-grass and the fresh weight preventive effect of acalypha copperleaf and the difference (E-E of theoretical preventive effect
0) maximum.
The embodiment that the present invention enumerates is intended to further illustrate combination of the present invention and processing method, and does not form any restriction to scope of the present invention.
Claims (10)
1. the composite corn field herbicide of flufenacet Garagard, is characterized in that: weed killer herbicide comprises flufenacet and the Garagard active component that percentage by weight is 40% ~ 80%, and auxiliary component; Wherein the weight ratio of active component flufenacet and Garagard is 5: (1 ~ 5).
2. the corn field herbicide that a kind of flufenacet Garagard according to claim 1 is composite, is characterized in that: flufenacet and Garagard weight ratio are 5:3.
3. the corn field herbicide that a kind of flufenacet Garagard according to claim 1 is composite, it is characterized in that: the application form of weed killer herbicide is suspending agent, auxiliary agent comprises following percentage by weight: 0.2 ~ 1% wetting agent, 0.3 ~ 3% dispersant, 0.2 ~ 5% thickener, 0.1 ~ 10% stabilizing agent, 5 ~ 10% antifreezing agents and 0.1 ~ 2% defoamer, supplies surplus with water.
4. the corn field herbicide that a kind of flufenacet Garagard according to claim 3 is composite, is characterized in that: its suspending agent comprises following percentage by weight:
The former medicine of 95% flufenacet: 21.05 ~ 70.18%,
The former medicine of 97% Garagard: 6.87 ~ 41.24%,
In above-mentioned auxiliary agent:
Wetting agent be neopelex, lauryl sodium sulfate, agriculture breast BY110, agriculture breast 1601, agriculture breast 1602, in Nongru-700 any one or multiple 0.2% ~ 1%;
Dispersant be in sodium lignin sulfonate, calcium lignosulfonate, metal carboxylate dispersant Tersperse2700, NO, NNO, MF-5 any one or multiple 0.3% ~ 3%;
Thickener be in aluminium-magnesium silicate, xanthan gum, polyvinyl alcohol any one or multiple 0.2% ~ 5%;
Stabilizing agent be in bentonite, precipitated calcium carbonate, white carbon, diatomite, crushed crude pearlite, silica gel, talcum powder, calcium silicates any one or multiple 0.1% ~ 10%;
Antifreezing agent be in 1,2-PD, ethylene glycol, sodium chloride, urea any one or multiple 5% ~ 10%.
Defoamer be in silicone, BX-822, palmitic acid, lauric acid any one or multiple 0.1% ~ 2%;
Surplus is water.
5. according to the corn field herbicide that right wants a kind of flufenacet Garagard described in 4 composite, to it is characterized in that: following percentage by weight selected by described suspending agent:
。
6. the corn field herbicide that a kind of flufenacet Garagard according to claim 1 is composite, it is characterized in that: the application form of weed killer herbicide is water dispersible granules, auxiliary agent comprises following percentage by weight: 1 ~ 10% dispersant, 1 ~ 10% wetting agent, 3 ~ 6% disintegrant, 2 ~ 8% binding agents and 3 ~ 6% disintegrants, supply surplus with carrier.
7. the corn field herbicide that a kind of flufenacet Garagard according to claim 6 is composite, is characterized in that: its water dispersible granules comprises following percentage by weight:
The former medicine of flufenacet of 95%: 21.05 ~ 70.18%,
The former medicine of Garagard of 97%: 6.87 ~ 41.24%,
In above-mentioned auxiliary agent:
Dispersant is that lignosulfonates, naphthalene sulfonate, naphthalenesulfonate formaldehyde condensation compound, polycarboxylate etc. are containing any one in the surfactant of anionic group (as carboxylate radical, sulfonate radical) or multiple 1 ~ 10%;
Wetting and penetrating agent is SOPA, pull open in powder, petroleum sodium sulfonate, sldium lauryl sulfate, JFC, wetting agent T, agriculture breast 2000, Tween60, octyl sulfate, dodecyl phenenyl sulfate, Chinese honey locust, isopropyl alcohol any one or multiple 1 ~ 10%;
Disintegrant be in sodium carboxymethylcellulose, soluble starch, polyethyl acrylate, calcium chloride, ammonium sulfate any one or multiple 3 ~ 6%;
Binding agent be in xanthans, polyvinyl alcohol, polyvinylpyrrolidone, polyethylene glycol, dextrin, soluble starch any one or multiple 2 ~ 8%;
Carrier be in kaolin, precipitated calcium carbonate, bentonite, imvite, talcum powder, clay, diatomite, corncob cellulose, white carbon, precipitated calcium carbonate any one or multiplely supply surplus.
8. the corn field herbicide that a kind of flufenacet Garagard according to claim 7 is composite, is characterized in that: described water dispersible granules selects following percentage by weight:
。
9. the corn field herbicide that a kind of flufenacet Garagard according to claim 1 is composite, it is characterized in that: the application form of weed killer herbicide is wetting powder, auxiliary agent comprises following percentage by weight: 1 ~ 15% dispersant and 1 ~ 10% wetting agent, supplies surplus with carrier.
10. the corn field herbicide that a kind of flufenacet Garagard according to claim 9 is composite, is characterized in that: following percentage by weight selected by described wetting powder:
。
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115226720A (en) * | 2022-07-28 | 2022-10-25 | 江苏东宝农化股份有限公司 | Herbicide composition with broad-spectrum synergistic weeding effect |
| CN115251072A (en) * | 2022-08-23 | 2022-11-01 | 美丰农业科技(上海)有限公司 | Herbicide composition, preparation method and application thereof |
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| CN1527666A (en) * | 2001-06-13 | 2004-09-08 | �����ɷ� | Herbicidal composition |
| EP2832223A1 (en) * | 2012-03-30 | 2015-02-04 | Ishihara Sangyo Kaisha, Ltd. | Herbicidal composition |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1527666A (en) * | 2001-06-13 | 2004-09-08 | �����ɷ� | Herbicidal composition |
| EP2832223A1 (en) * | 2012-03-30 | 2015-02-04 | Ishihara Sangyo Kaisha, Ltd. | Herbicidal composition |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115226720A (en) * | 2022-07-28 | 2022-10-25 | 江苏东宝农化股份有限公司 | Herbicide composition with broad-spectrum synergistic weeding effect |
| CN115251072A (en) * | 2022-08-23 | 2022-11-01 | 美丰农业科技(上海)有限公司 | Herbicide composition, preparation method and application thereof |
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| CN105379733B (en) | 2018-07-24 |
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