CN105494407A - Herbicide composition containing metamifop and cafenstrole - Google Patents
Herbicide composition containing metamifop and cafenstrole Download PDFInfo
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- CN105494407A CN105494407A CN201510987509.4A CN201510987509A CN105494407A CN 105494407 A CN105494407 A CN 105494407A CN 201510987509 A CN201510987509 A CN 201510987509A CN 105494407 A CN105494407 A CN 105494407A
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- Prior art keywords
- herbicidal combinations
- killer herbicide
- paddy field
- cafenstrole
- weed
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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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/38—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< where at least one nitrogen atom is part of a heterocyclic ring; Thio analogues thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
-
- 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
- A01N43/74—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 one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,3
- A01N43/76—1,3-Oxazoles; Hydrogenated 1,3-oxazoles
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to herbicide composition containing effective ingredients including metamifop and cafenstrole in the weight ratio being (15:1)-(1:15) and used for a rice paddy field. The herbicide composition acts on annual and perennial grassy weeds including barnyard grass, crab grass, eleusine indica or reed in the rice paddy field, on annual and perennial cyperaceae weeds including Scirpus juncoides Roxb, Eleocharis yokoscensis or Cyperus rotundus in the rice paddy field and also on annual and perennial broadleaf weeds including false loosestrife, sagittaria pusilla, Rotala indica or monochoria vaginalis in the rice paddy field. The herbicide composition has a remarkable synergistic effect, the control effect of the composition is improved to a certain degree while compared with that of a single agent, the use dosage of pesticides is reduced, and the pesticide use cost and the impact risk of the pesticides to the ecological environment are reduced.
Description
Technical field
The invention belongs to technical field of pesticide, particularly weed killer herbicide field, be specifically related to a kind of Han You metamifop and cafenstrole is the Herbicidal composition for rice field of active ingredient.
Background technology
Along with progressively eliminating of high-toxic pesticide, need efficient, low toxicity, safety, environment amenable pharmaceutical preparations, the Long-Time Service of agricultural chemicals makes the pesticide resistance of disease pest and weed produce simultaneously, also more and more higher to the requirement of pesticide control, this just needs agricultural chemicals research staff to develop the pharmaceutical preparations of highly effective and safe, meets control requirement.Because China's pesticides discovery is at the early-stage, the pesticide species with independent intellectual property right can't be satisfied the demand, and therefore the pesticide mixed preparation of development of new is the only way of Present Domestic Agrochemicals.
Paddy rice is one of main cereal crops of China, is the basic subsistence crop of China's wide geographic area, and agent for removing grass in paddy field is a great problem on producing.Chemical weed control is the Main Means controlling weeds at present.In recent years, because the large area of some weeding kinds is used alone, cause a lot of weeds to develop immunity to drugs, be therefore badly in need of efficient, low toxicity, economy, the paddy field novel herbicidal medicament of safety dropped in Agricultural Activities.
Metamifop, English name: metamifop, chemical name: (R)-2-{ (4-chloro-1,3-benzoxazoles-2-base oxygen) phenoxy group }-2 '-fluoro-N-methyl-prop anilid, belong to aryloxyphenoxypropanoates class weed killer herbicide, for systemic herbicide, the synthesis of weeds fatty acid can be suppressed.High to Security of rice, be mainly used in transplanting and direct sowing rice field weeding, most of annual gramineous weed in paddy field can be prevented and kill off efficiently, as rice barnyard grass, children's moleplant seed in age, lady's-grass and eleusine indica.Metamifop low toxicity, environmentally safe, there is preferably miscibilty.Its chemical structural formula:
Cafenstrole, English name:: Cafenstrole, chemical name: N, N-diethyl-3-mesitylene sulfonyl-1H-1,2,4-triazole-1-formamide.For cytostatic agent, herbicide, to barnyard grass special efficacy, and have favorable effect to part sedge weed (as difformed galingale herb, firefly Lin, the rhizome of nutgrass flatsedge), broad leaved weed (most of annual with perennial broadleaf weed as Monochoria vaginalis, Sagittaria pygmaea etc.), high to transplanting rice safety, about the 40 days lasting period after medication, to all effective to weeds in tri-leaf period before bud.Miscibilty is good, environmentally safe.Its chemical structural formula:
Metamifop and cafenstrole all have and kill barnyard grass activity preferably, but after being used alone for a long time, easily make barnyard grass develop immunity to drugs, the mu consumption of Mu Qian metamifop is caused to be multiplied, the problems such as preventive effect reduction, lasting period shortening, agricultural chemicals Reusability causes the degradation rate of agricultural chemicals in soil to decline, and is unfavorable for very much the sustainable development of environment.How making agricultural chemicals upgrade, more efficiently, delay the generation of field drug-fastness, reduce peasant's drug cost, to environment environmental protection more, close friend, to meet the requirement of agricultural production, is the problem needing now to solve.
Weed killer herbicide is rationally composite is improve preventive effect, expand herbicide spectrum or widen service time, delaying shift of weed community speed, reducing the resistance risk that the single use of agricultural chemicals brings, alleviate the pollution to environment, reduce a kind of effective ways of use cost and reduction herbicide residue.The present inventor Dui metamifop, cafenstrole mixture have carried out a large amount of intensive research, carrying out lot of experiments Hou Fa Xian metamifop, cafenstrole carries out mixture, within the scope of certain mixed ratio, the barnyard grass of paddy field is prevented and kill off and show obvious synergistic function, after further research, the present invention is completed.
Summary of the invention
The object of the invention is to deficiency when solution weed killer herbicide is single to be used, filter out the obvious Herbicidal combinations of paddy field weed synergy, be conducive to the paddy field weed comprehensive regulation.
Technical scheme of the present invention is: a kind of Herbicidal combinations, is characterized in that, described Herbicidal combinations Han You metamifop and cafenstrole are as active component, and the weight ratio of the two is 15:1 ~ 1:15.
More preferably, the weight ratio of this Herbicidal combinations Zhong metamifop and cafenstrole is 5:1 ~ 1:5.
The present invention relates to a kind of weed killer herbicide, it is characterized in that, this weed killer herbicide contains the Herbicidal combinations as above of 0.1 ~ 90 % by weight, and surplus is acceptable carrier and auxiliary agent on agricultural chemicals.
Preferably, this weed killer herbicide contains the Herbicidal combinations as above of 3 ~ 80 % by weight.
More preferably, this weed killer herbicide contains the Herbicidal combinations as above of 15 ~ 70 % by weight.
Except as otherwise noted, " % " involved in the present invention is " percentage by weight ".
Herbicidal combinations of the present invention or weed killer herbicide are applicable to acting on the annual and perennial grassy weed occurred in paddy field, as barnyard grass, lady's-grass, eleusine indica, reed; Act on the annual and perennial sedge weed occurred in paddy field, as firefly Lin, needle spikesedge herb, the rhizome of nutgrass flatsedge; Act on the annual and perennial broadleaf weed occurred in paddy field, as false loosestrife, Sagittaria pygmaea, mexicana, Monochoria vaginalis.
Weed killer herbicide involved in the present invention can be mixed with agriculturally acceptable formulation, and preferred dosage form is water dispersible granules, suspending agent, wetting powder, microemulsion or aqueous emulsion.Described formulation adopts and well known to a person skilled in the art that method carries out processing, preparing.
With regard to water dispersible granules, those skilled in the art use following main auxiliary agent, adopt conventional method to prepare: dispersant is selected from polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate; Wetting agent is selected from polyoxyethylene alcohol, alkyl sulfate, alkylsulfonate, naphthalene sulfonate; Disintegrant is selected from ammonium sulfate, urea, sucrose, glucose, citric acid, succinic acid, sodium bicarbonate; Binding agent is selected from diatomite, corn starch, PVA, carboxymethyl (ethyl) cellulose and microcrystalline cellulose class; Filler is selected from diatomite, kaolin, white carbon, fine particle calcium carbonate, sepiolite, talcum powder, attapulgite, potter's clay etc.
With regard to wetting powder, those skilled in the art use following main auxiliary agent, adopt conventional method to prepare: dispersant is selected from polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate; Wetting agent is selected from alkyl sulfate, alkylsulfonate, naphthalene sulfonate; Filler is selected from diatomite, kaolin, white carbon, fine particle calcium carbonate, talcum powder, attapulgite, potter's clay etc.
With regard to suspending agent, those skilled in the art use following main auxiliary agent, adopt conventional method to prepare: dispersant is selected from polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate, Huntsman Corporation of TERSPERSE2425(U.S. product, alkyl naphthalene sulfonic acid salt); Emulsifier is selected from Nongru-700 #(common name: alkyl phenol formaldehyde resin polyoxyethylene ether), agriculture breast 2201, this dish-60#(common name: sorbitan monostearate), emulsifier T-60(common name: sorbitan monostearate APEO), agriculture breast 1601#(common name: phenethyl phenol polyoxyethylene poly-oxygen propylene aether), Huntsman Corporation of the TERSPERSE4894(U.S. produces); Wetting agent is selected from alkylphenol-polyethenoxy and gathers base ether formaldehyde condensation products sulphate, alkylphenol-polyethenoxy base ether phosphate, phenethyl phenol polyethenoxy base ether phosphate, alkyl sulfate, alkylsulfonate, naphthalene sulfonate, Huntsman Corporation of TERSPERSE2500(U.S. product); Thickener is selected from xanthans, aluminium-magnesium silicate, bentonite; Preservative is selected from 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.
With regard to aqueous emulsion, those skilled in the art use following main auxiliary agent, adopt conventional method to prepare: emulsifier is selected from polyoxyethylene nonylphenol ether (EO=10) phosphate, triphenoethyl benzene phenol polyethenoxy ether phosphate (agriculture breast 600# phosphate), Nongru-700 #, agriculture breast 2201#, Span-60#, emulsifier T-60, TX-10, agriculture breast 1601#, agriculture breast 600#, agriculture breast 400#; Solvent is selected from dimethylbenzene, toluene, cyclohexanone, solvent naphtha (trade mark: S-150, S-180, S-200); Stabilizing agent is selected from triphenyl phosphite, epoxychloropropane; Antifreezing agent is selected from ethylene glycol, propane diols, glycerine, urea, inorganic salts as sodium chloride; Thickener is selected from xanthans, bentonite, aluminium-magnesium silicate; Preservative is selected from benzoic acid, Sodium Benzoate.
With regard to microemulsion, those skilled in the art use following main auxiliary agent, adopt conventional method to prepare: emulsifier is selected from calcium dodecyl benzene sulfonate (agriculture breast 500#), Nongru-700 #, agriculture breast 2201#, this dish-60#, Tween-80, TX-10, agriculture breast 1601, agriculture breast 600#, agriculture breast 400#; Cosolvent is selected from methyl alcohol, isopropyl alcohol, n-butanol, ethanol; Solvent is selected from cyclohexanone, 1-METHYLPYRROLIDONE, dimethylbenzene, toluene, solvent naphtha (trade mark: S-150, S-180, S-200); Stabilizing agent is selected from triphenyl phosphite, epoxychloropropane.
Herbicidal combinations of the present invention can provide with finished product preparation form, and namely in composition, each active substance mixes; Also can provide with unit dose preparation, namely directly mix in bucket (tank) before field uses.Adopt the concentration that dilute with water obtains required active substance.
Herbicidal combinations provided by the invention has following beneficial effect:
1. Herbicidal combinations provided by the invention, within the scope of certain mixed ratio, obvious synergistic function is shown to paddy field annual weed and part perennial weed, the control efficiency of composition has had certain raising than single dose, reduce the using dosage of agricultural chemicals, reducing drug cost and agricultural chemicals affects risk to ecotope.
2. provided by the invention is Herbicidal combinations, can reduce or delay the resistance risk of Long-Time Service Dan mono-metamifop or cafenstrole generation, extend the service life of medicament, to the comprehensive regulation important in inhibiting of Weed Resistance.
Accompanying drawing illustrates:
Fig. 1: metamifop and cafenstrole to 3 the leaf phase rice barnyard grass synergy equivalence line chart.
Embodiment
In order to make object of the present invention, technical scheme and advantage more short and sweet, the following instantiation of the present invention is described, but the present invention is only limitted to absolutely not these examples.The following stated is only the good embodiment of the present invention, only for describing the present invention, can not be interpreted as limitation of the scope of the invention.It should be pointed out that all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Embodiment 1: metamifop and cafenstrole and mixture thereof to 3 the leaf phase rice barnyard grass toxicity test.
Table 1 metamifop and cafenstrole and mixture thereof to 3 the leaf phase rice barnyard grass dosage---the regression relation of reaction
See figure 1, metamifop and cafenstrole mixture to 3 the leaf phase rice barnyard grass synergy equivalence line chart (Fig. 1 draws with reference to NY/T1155.7-2006, and drawing data derives from table 1)
By Fig. 1 can go out metamifop and cafenstrole mixture to 3 the leaf phase rice barnyard grass equivalent point all under theoretical equivalent line, show as synergistic function.
Embodiment 2:30% metamifop cafenstrole water dispersible granules.
| Metamifop | 15% |
| Cafenstrole | 15% |
| Dodecyl sodium sulfate | 6% |
| Metal carboxylate | 7% |
| Kaolin | To 100% |
Above-mentioned logistics is added in cone-type mixer together and mixes; pulverize by airslide disintegrating mill; crushing rear material mixes through cone-type mixer again; mixed logistics fineness 98% is by 600 mesh standard sieves; add in kneader and be kneaded into plasticity material; finally this material is put into Squeezinggranulator extruder grain, through drying after granulation, 30% metamifop cafenstrole water dispersible granules after screening, can be obtained.
Embodiment 3:30% metamifop cafenstrole wetting powder.
| Metamifop | 15% |
| Cafenstrole | 15% |
| Dodecyl sodium sulfate | 3% |
| Sodium butylnaphthalenesulfonate | 5% |
| Lignin calcium carbonate | 6% |
| White carbon | 5% |
| Kaolin | To 100% |
Above-mentioned material is added in cone-type mixer together and mixes, pulverize by airslide disintegrating mill, material after pulverizing is again through cone-type mixer mixing, and mixed fineness of materials 98%, by 600 mesh standard sieves, can obtain 30% metamifop cafenstrole wetting powder.
Embodiment 4:1% metamifop cafenstrole granule.
| Metamifop | 0.5% |
| Cafenstrole | 0.5% |
| Dodecyl sodium sulfate | 3% |
| Lignin calcium carbonate | 5% |
| Convex Attapulgite | 6% |
| Kaolin | To 100% |
Added in cone-type mixer together by above-mentioned material and mix, pulverize by airslide disintegrating mill, the material after pulverizing is again through cone-type mixer mixing, and mixed fineness of materials 98%, by 600 mesh standard sieves, can obtain wetting powder.Again this wetting powder is added in granulating disc the granulation that adds water, by drying drying, screening, cooling cylinder cooling, 1% metamifop cafenstrole granule can be obtained.
Embodiment 5: prevent and kill off rice direct seeding field field control effectiveness test, test is carried out with reference to GBT17980.40-2000.
Test site is the old market town of Anhui Province's Rubbish Heap in Begbu City, and Front Stubble of Rice crop is winter wheat, when stubble paddy rice adopts direct-sowing dry mode to plant.Process 1 is 30% metamifop cafenstrole water dispersible granules, process 2 is 30% metamifop cafenstrole wetting powder, process 3 is 1% metamifop cafenstrole granule, process 4 is 25 grams per liter penoxsuam oil-suspending agent+75% bensulfuron-methyl water dispersion granules.
Rice direct seeding field field control effectiveness test result prevented and kill off by table 2
Remarks: strain preventive effect=(check plot weeds strain number-treatment region weeds strain number)/check plot weeds strain number × 100%
Known by table 2, when effective dose is suitable, metamifop cafenstrole mixture is outstanding to rice direct seeding field annual weed preventive effect, general effect is better than contrast medicament 25 grams per liter penoxsuam oil-suspending agent+75% bensulfuron-methyl water dispersion granule, has very strong practicality and promotional value.
In sum, Herbicidal combinations of the present invention has good preventive effect to paddy field annual weed, good to Security of rice, is the herbicide composition preventing and kill off paddy field annual weed.
The Herbicidal combinations of a kind of Han You metamifop of the present invention and cafenstrole is described by concrete example, those skilled in the art can use for reference content of the present invention, the links such as suitable feed change, process conditions realize other object corresponding, its relevant change does not all depart from content of the present invention, all similar replacements and change will become apparent to those skilled in the art that and be all deemed to be included within scope of the present invention.
Claims (7)
1. a Herbicidal combinations, is characterized in that, described Herbicidal combinations is containing having metamifop and cafenstrole as active component, and the weight ratio of the two is 15:1 ~ 1:15.
2. Herbicidal combinations according to claim 1, is characterized in that, the weight ratio of described Herbicidal combinations Zhong metamifop and cafenstrole is 5:1 ~ 1:5.
3. a weed killer herbicide, is characterized in that, this weed killer herbicide contains 0.1 ~ 90 % by weight Herbicidal combinations as claimed in claim 1, and surplus is acceptable carrier and auxiliary agent on agricultural chemicals.
4. weed killer herbicide according to claim 4, is characterized in that, described weed killer herbicide contains the Herbicidal combinations as claimed in claim 1 of 3 ~ 80 % by weight.
5. weed killer herbicide according to claim 4, is characterized in that, described weed killer herbicide contains the Herbicidal combinations as claimed in claim 1 of 15 ~ 70 % by weight.
6. weed killer herbicide according to claim 4, is characterized in that, described herbicide formulation becomes water dispersible granules, suspending agent, wetting powder, microemulsion or aqueous emulsion.
7. the arbitrary described Herbicidal combinations of claim 1 to 2 or the arbitrary described weed killer herbicide of claim 3 to 6 are applied to the purposes of weeding, it is characterized in that, act on the annual and perennial grassy weed occurred in paddy field: barnyard grass, lady's-grass, eleusine indica or reed; Act on the annual and perennial sedge weed occurred in paddy field: firefly Lin, needle spikesedge herb or the rhizome of nutgrass flatsedge; Act on the annual and perennial broadleaf weed occurred in paddy field: false loosestrife, Sagittaria pygmaea, mexicana or Monochoria vaginalis.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510987509.4A CN105494407A (en) | 2015-12-27 | 2015-12-27 | Herbicide composition containing metamifop and cafenstrole |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105794826A (en) * | 2016-04-20 | 2016-07-27 | 青岛瀚生生物科技股份有限公司 | Herbicidal composition containing metamifop and cafenstrole and application of herbicidal composition |
| CN106857625A (en) * | 2017-04-07 | 2017-06-20 | 安徽蓝田农业开发有限公司 | Herbicidal composition and its application of a kind of Han oxaziclomefones and cafenstrole |
| CN108812680A (en) * | 2018-08-11 | 2018-11-16 | 江西正邦作物保护有限公司 | A kind of Herbicidal combinations of Han You metamifop and trichlopyr |
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| CN1713820A (en) * | 2002-11-21 | 2005-12-28 | 辛根塔参与股份公司 | Herbidical composition |
| CN1725952A (en) * | 2002-11-21 | 2006-01-25 | 辛根塔参与股份公司 | Herbicidal composition |
| JP2008074839A (en) * | 2006-08-23 | 2008-04-03 | Nippon Nohyaku Co Ltd | Herbicide composition and method of using the same |
| CN104522018A (en) * | 2004-12-17 | 2015-04-22 | 株式会社Lg生命科学 | Synergistic herbicidal compositions |
-
2015
- 2015-12-27 CN CN201510987509.4A patent/CN105494407A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1713820A (en) * | 2002-11-21 | 2005-12-28 | 辛根塔参与股份公司 | Herbidical composition |
| CN1725952A (en) * | 2002-11-21 | 2006-01-25 | 辛根塔参与股份公司 | Herbicidal composition |
| CN104522018A (en) * | 2004-12-17 | 2015-04-22 | 株式会社Lg生命科学 | Synergistic herbicidal compositions |
| JP2008074839A (en) * | 2006-08-23 | 2008-04-03 | Nippon Nohyaku Co Ltd | Herbicide composition and method of using the same |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105794826A (en) * | 2016-04-20 | 2016-07-27 | 青岛瀚生生物科技股份有限公司 | Herbicidal composition containing metamifop and cafenstrole and application of herbicidal composition |
| CN106857625A (en) * | 2017-04-07 | 2017-06-20 | 安徽蓝田农业开发有限公司 | Herbicidal composition and its application of a kind of Han oxaziclomefones and cafenstrole |
| CN108812680A (en) * | 2018-08-11 | 2018-11-16 | 江西正邦作物保护有限公司 | A kind of Herbicidal combinations of Han You metamifop and trichlopyr |
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Application publication date: 20160420 |