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CN108157379A - Containing pyroxsulam He metamifop Herbicidal combinations - Google Patents

Containing pyroxsulam He metamifop Herbicidal combinations Download PDF

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Publication number
CN108157379A
CN108157379A CN201810039386.5A CN201810039386A CN108157379A CN 108157379 A CN108157379 A CN 108157379A CN 201810039386 A CN201810039386 A CN 201810039386A CN 108157379 A CN108157379 A CN 108157379A
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CN
China
Prior art keywords
pyroxsulam
herbicidal combinations
active ingredient
composition
metamifop
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.)
Pending
Application number
CN201810039386.5A
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Chinese (zh)
Inventor
季红进
仲汉根
罗莉娟
花伟
潘晓桃
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Jiangsu Huifeng Biological Agriculture Ltd By Share Ltd
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Jiangsu Huifeng Biological Agriculture Ltd By Share Ltd
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Priority to CN201810039386.5A priority Critical patent/CN108157379A/en
Publication of CN108157379A publication Critical patent/CN108157379A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/90Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/72Biocides, 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
    • A01N43/74Biocides, 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
    • A01N43/761,3-Oxazoles; Hydrogenated 1,3-oxazoles

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  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention discloses a kind of Herbicidal combinations with synergistic effect, active ingredient pyroxsulam is contained in the composition He metamifop.The weight ratio of active ingredient pyroxsulam and metamifop can be 5~1:1~30.The test of pesticide effectiveness shows that the composition has the characteristics that with strong complementarity, synergistic effect is apparent, herbicide controlling spectrum expands, amount of application is reduced, the optimum period for applying fertilizer extends, high, environmental pollution reduces, is by force etc. positive with environment compatibility to crop safety.

Description

Containing pyroxsulam He metamifop Herbicidal combinations
Technical field
The invention belongs to agriculture plant protection field, more particularly to a kind of Herbicidal combinations for having and improving performance.
Background technology
Active component pyroxsulam is triazolopyrimidine sulfonamides herbicide.Pyroxsulam is sulfonamides Uptake and translocation Property, selective herbicide after seedling, herbicidal spectrum is wide, activity of weeding is high, drug action is fast.Pass through grass cutting blade, sheath portion, stem or root Portion absorbs, and is accumulated in growing point, inhibits acetolactate synthestase, can not synthesize branched-chain amino acid, and then influence the conjunction of protein Into, weeds cell division is influenced, weeds is caused to stop growing, yellow, it is then dead.Pyroxsulam to wheat, barley, oat, Corn and soybean, rice, cotton, peanut safety, can effectively management of weeds amur foxtail, ox chickweed, Descurainia sophia, wild oat, shepherd's purse Deng.
Huo Zu Fen metamifops (metamifop) are the fragrant phenoxy propionic acid developed by Chemical Engineering Technology research institute of South Korea Ester herbicide, can be fabulous prevent and kill off most of annual gramineous weeds, the , oxazoles unlike most of such herbicides Acyl grass amine can effectively prevent and kill off rice terrace main weeds, such as barnyard grass, moleplant seed, lady's-grass and eleusine indica, be mainly used for rice safety Transplanting and direct sowing rice field weeding.Metamifop low toxicity, it is environmentally safe, there is extensive miscibilty, and be expected to be used for other works Object and Kill weeds are a very promising herbicides.
Practical pesticide experience have shown that, repeat and single-minded carry out controlling weeds in many feelings using a kind of reactive compound The fast selective that will lead to weeds under condition prevents injurious weed usually using the mixture of different activities compound at present. By the way that the reactive compound with different role mechanism is combined, can delaying drug resistance generate, reduce amount of application, reduce prevention Cost.
Invention content
The purpose of the present invention is being directed to herbicide resistance and pedo relict problem in practical applications, filter out containing two The herbicide of the different weeding principles of kind is compounded, and to improve herbicide prevention effect, delaying drug resistance generates, and reduces amount of application, Reduce cost accounting.
It is a further object of the present invention to provide a kind of application of above-mentioned composition in agriculture field controlling weeds.
The purpose of the present invention can be achieved by the following measures:
The present invention provides a kind of Herbicidal combinations with synergistic effect, contain effective constituents A and B in the composition, Effective constituents A is pyroxsulam, active ingredient B Wei metamifops.
Inventor is found by experiment that above-mentioned Herbicidal combinations synergy is apparent, it is often more important that amount of application is reduced, and reduction makes Contain that component A is different from the compound structure type of component B, and mechanism of action is different with cost, the two compounding can expand weeding Spectrum, and generation and the development speed of Weed Resistance can be delayed to a certain extent, and no interactions between component A and component B Resistance.
The active ingredient of the present composition can be only comprising A and B, can also be in the base for not influencing composition overall performance On plinth, other active ingredients are further included.
In a kind of scheme, the active ingredient pyroxsulam of Herbicidal combinations of the present invention is He the weight ratio of metamifop is 5~1:1~30.
Active ingredient pyroxsulam in a kind of preferred embodiment is He the weight ratio of metamifop is 1:1~25, in another kind In scheme, the active ingredient pyroxsulam of Herbicidal combinations of the present invention is He the weight ratio of metamifop is 1:5~20.
In a kind of preferred scheme, the weight ratio between two component of A and B can be arbitrarily in the range of following proportionings It is adjusted:5:1、4:1、3:1、2:1、1:1、1:2、1:3、1:4、1:5、1:6、1:7、1:8、1:9、1:10、1:11、1:12、 1:13、1:14、1:15、1:16、1:17、1:18、1:19、1:20、1:21、1:22、1:23、1:24、1:25、1:26、1:27、1: 28、1:29、1:30, it can also be selected in the range of two proportionings of any of the above form.
The composition of the present invention acceptable dosage form on pesticide can be made jointly by active ingredient and insecticides adjuvant.
The weight percentage of active ingredient can be 2~95%, preferably 5~85% in the composition of the present invention.
Carrier, auxiliary agent and/or surfactant can be included in the present composition.It can be mixed during application Common auxiliary agent.
Suitable auxiliary agent can be solid or liquid, they are typically common substance during formulation, such as day Right or regenerated minerals, solvent, dispersant, wetting agent, adhesive, thickener, adhesive or fertilizer.
The method of administration of the present composition includes for the composition of the present invention being used for the aerial part of plant growth, especially It is leaf portion or blade face.The frequency and amount of application of application depend on the biology of weeds and weather life condition.It can be by plant Place is grown, such as rice field is soaked with the liquid preparation of composition or is applied to composition in soil in solid form, such as (soil application) in granular form, composition can be entered in plant (systemic action) by soil through plant root.
These compositions can only include active constituent (also known as active ingredient) and be administered, can also with additive or Auxiliary agent mixes together, therefore the composition of the present invention can be prepared into various dosage forms, for example, wettable powder, suspending agent, Dispersible oil-suspending agent, aqueous emulsion, missible oil, microemulsion, water dispersible granules etc..According to the property and administration group of these compositions Object institute's purpose to be achieved and ambient conditions are closed, can be selected composition to spray, atomizing, be dusted, broadcast sowing or sprinkle and pour etc. it The method application of class.
The composition of the present invention can be prepared into various dosage forms by known method, it such as can be by active ingredient with helping Agent such as solvent, solid carrier, can uniformly mix together with surfactant when needing, grind, be prepared into required dose Type.
Above-mentioned solvent may be selected from aromatic hydrocarbon, preferably containing 8-12 carbon atom, such as xylene mixture or substituted benzene, phthalein Esters of gallic acid, such as Dibutyl phthalate or the octanoic acid of phthalandione two, fat hydrocarbon, such as thiacyclohexane or paraffin, alcohol and ethylene glycol and their ether And ester, such as ethyl alcohol, ethylene glycol, ethylene glycol monomethyl;Ketone, such as cyclohexanone, highly polar solvent, such as N- methyl -2- pyrrolidines Ketone, dimethyl sulfoxide (DMSO) or dimethylformamide and vegetable oil or vegetable oil, such as soybean oil.
Above-mentioned solid carrier, such as pulvis and dispersible dose of typically natural mineral fillers, such as talcum, kaolinite Soil, montmorillonite or atlapulgite.In order to manage the physical property of composition, polymolecularity silicic acid or polymolecularity can also be added in Adsorpting polymerization object carrier, such as granulated adsorptive carriers or non-adsorbed carrier, suitable granulated adsorptive carriers are porous types, it is such as floating Stone, bentonite or bentonite;Suitable non-adsorbed carrier such as calcite or sand.Further, it is possible to use a large amount of inorganic in nature or having The prefabricated material to granulate of machine property is as carrier, particularly dolomite.
The chemical property of active ingredient in composition according to the present invention, suitable surfactant are sulfomethylated lignin Acid, naphthalene sulfonic acids, phenolsulfonic acid, alkali salt or amine salt, alkylaryl sulfonates, alkyl sulfate, alkylsulfonate, fat Alcohol sulfate, aliphatic acid and sulphated fatty alcohol glycol ether, the also condensation product of sulfonated naphthalene and naphthalene derivatives and formaldehyde, naphthalene or Naphthalene sulfonic acids and phenol and the condensation product of formaldehyde, NONIN HS 240, ethoxylated isooctyl-phenol, octyl phenol, nonyl phenol, Alkylaryl polyglycol ether, tributyl benzene polyglycol ether, three stearyl phenyl polyglycol ethers, alkyl aryl polyether alcohol, Ethoxylated castor oil, polyoxyethylene alkyl ether, ethylene oxide condensation product, ethoxylation polyoxypropylene, bay acid polyethylene glycol Ether acetal, sorbitol ester, lignin sulfite waste liquor and methylcellulose.
Two kinds of active ingredients show as synergistic effect in the composition of the present invention, and the activity of the composition is than using individualized The expected summation of activity of conjunction object and the independent activity of single compound are more notable.Synergistic effect shows as allowing amount of application Reduction, broader weeding control spectrum, quick, more longlasting control effect, by only once or a small number of several times using more preferable Control weeds and broaden the possible administration interval time.These characteristics are to prevent and kill off in control weeds practice process especially It needs.
The Herbicidal combinations of the present invention can be applicable to significant effect in terms of agriculture field prevention crop weeds, particularly anti- Control Semen Cuscutae, green bristlegrass, barnyard grass and ox chickweed.
The other features shown of the Herbicidal combinations of the present invention are mainly shown as:1st, due to two lists of this composition Agent chemical constitution is widely different, and the mechanism of action is entirely different, and there is no cross resistances, and two single dose exclusive uses can be delayed to be produced Raw resistance problem;2nd, composition of the invention is good to crop safety, preventive effect.Tests prove that herbicidal composition of the present invention Chemical property is stablized, and synergy is notable, and apparent synergy and complementation are shown to controlling object.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention It is further elaborated.It should be appreciated that specific embodiment described herein is not used to limit only to explain the present invention The fixed present invention, any modifications, equivalent replacements and improvementsmade within the spirit and principles of the invention, etc., should be included in Within protection scope of the present invention.
Percentage is weight percentage in all formulas of following embodiment.The processing work of the various preparations of the present composition Skill is the prior art, can be varied from according to different situations.
First, dosage form prepares embodiment
(1) processing of missible oil and embodiment
Active constituent pyroxsulam Yu metamifop, emulsifier and solvent etc. are sufficiently mixed in proportion, you can.
Embodiment 1:33% pyridine sulphur Cao An metamifop missible oil
3% , metamifops 30% of pyroxsulam, benzene diethylstilbestrol polyoxyethylene ether 15%, polyoxyethylene alcohol 12%, soybean oil Complement to 100%.
Embodiment 2:62% pyridine sulphur Cao An metamifop missible oil
2% , metamifops 60% of pyroxsulam, alkylbenzene naphthalene sulfonate 10%, castor oil ethylene oxide adduct 15%, mineral oil complements to 100%.
(2) processing of dispersible oil-suspending agent and embodiment
Active constituent pyroxsulam Yu metamifop and suspending agent, surfactant, oil phase component etc. are filled in proportion Divide mixing, you can dispersible oil-suspending agent is made.
Embodiment 3:The 12% dispersible oil-suspending agent of pyridine sulphur Cao An metamifops
10% , metamifops 2% of pyroxsulam, diphenyl phenol polyethenoxy polyethenoxy ether 10%, xanthans 1.6%, fatty acid amide N methyl taurine sodium salt 8%, vegetable oil complements to 100%.
Embodiment 4:The 21% dispersible oil-suspending agent of pyridine sulphur Cao An metamifops
1% , metamifops 20% of pyroxsulam, hydroxymethyl cellulose 3%, fatty alcohol polyoxyethylene ether 8%, polyethylene Alcohol 16%, mineral oil complements to 100%.
(3) processing of wettable powder and embodiment
Active component pyroxsulam Yu metamifop and various auxiliary agents and filler etc. are sufficiently mixed in proportion, through ultra-fine Wettable powder is made after crushing in pulverizer.
Embodiment 5:6% pyridine sulphur Cao An metamifop wettable powders
1% , metamifops 5% of pyroxsulam, ammonium sulfate 8%, NONIN HS 240 10%, lignin sulfonic acid Salt 12%, attapulgite complements to 100%.
Embodiment 6:78% pyridine sulphur Cao An metamifop wettable powders
3% , metamifops 75% of pyroxsulam, aluminium chloride 5%, alkyl sulfate 5%, precipitated calcium carbonate complements to 100%.
(4) processing of water dispersible granules and embodiment
By active constituent pyroxsulam and Huo Cheng Fen metamifops, mixed in the ratio of formula with auxiliary agent and filler It is even, through air-flow crushing into wettable powder, a certain amount of water mixing extruder grain is added, moisture, which is made, after dry sieve dissipates Granula product.
Embodiment 7:50% pyridine sulphur Cao An metamifop water dispersible granules
25% , metamifops 25% of pyroxsulam, lauryl sodium sulfate 12%, bentonite 3%, aluminium-magnesium silicate 3%, White carbon supply is to 100%.
Embodiment 8:40% pyridine sulphur Cao An metamifop water dispersible granules
2.5% , metamifops 37.5% of pyroxsulam, aliphatic alcohol sulfate 15%, aluminium-magnesium silicate 2.4%, spaonin powder 8%, kaolin complements to 100%.
2nd, drug effect verification test
(1) Assays Example
Using pyroxsulam as standard agent, disease index and control effect are calculated.Control effect is converted into niqueMin (y), liquor strength (μ g/ml) is converted into logarithm (x), concentration EC50 in being calculated virulence equation with least square method and inhibited, The toxicity index of medicament and co-toxicity coefficient (CTC) are calculated according to the abundant methods of Sun Yun.Toxicity test the results are shown in Table 1.
Survey toxicity index (ATI)=(standard agent EC50/ reagent agent EC50) * 100
Percentage composition+B medicament toxicity index * the mixtures of A in theoretical toxicity index (TTI)=A medicament toxicity index * mixtures The percentage composition of middle B
Co-toxicity coefficient (CTC)=[mixture actual measurement toxicity index (ATI)/mixture theoretical toxicity index (TTI)] * 100
CTC≤80, composition show as antagonism, 80 < CTC < 120, and composition shows as summation action, and CTC >= 120, composition shows as synergistic effect.
1st, pyroxsulam Yu metamifops compounding tests (one) to the toxicity test of barnyard grass
1 pyroxsulam Yu metamifops different ratio of table, which compounds, analyzes the toxicity test of barnyard grass
As a result (table 1) shows pyroxsulam Yu metamifops in proportioning 5~1:Between 1~30, co-toxicity coefficient exists More than 120, illustrate that pyroxsulam Yu metamifops compound preventing and kill off with significant synergistic function to barnyard grass.
2nd, pyroxsulam Yu metamifops compounding tests (two) to the toxicity test of Semen Cuscutae grass
The Semen Cuscutae grass toxicity test interpretation of result of 2 pyroxsulam Yu metamifops of table compounding pair
As a result (table 2) shows pyroxsulam Yu metamifops in proportioning 5~1:Between 1~30, co-toxicity coefficient exists More than 120, illustrate that pyroxsulam Yu metamifops compound preventing and kill off with significant synergistic function to Semen Cuscutae weeds.
(2) field control effectiveness test
1st, the field control effect of pyroxsulam Yu metamifops is verified using embodiment produced by the present invention.
It is expected that preventive effect (%)=X+Y-XY/100 (wherein, X, Y are single dose preventive effect)
3. pyroxsulam Yu metamifops of table compound the field efficiency test result to green bristlegrass and ox chickweed
Measurement result (table 3) shows pyroxsulam Yu metamifops compounding to controlling weeds green bristlegrass and ox chickweed Preventive effect significantly improves, and illustrates that the two compounding has significant synergistic function to weeds green bristlegrass and ox chickweed.

Claims (10)

1. a kind of Herbicidal combinations with synergistic effect, it is characterised in that in the composition containing active ingredient pyroxsulam and Metamifop.
2. Herbicidal combinations according to claim 1, it is characterised in that the active ingredient pyroxsulam is He oxazole acyl is careless The weight ratio of amine is 5~1:1~30.
3. Herbicidal combinations according to claim 2, it is characterised in that the active ingredient pyroxsulam is He oxazole acyl is careless The weight ratio of amine is 1:1~25.
4. Herbicidal combinations according to claim 3, it is characterised in that the active ingredient pyroxsulam is He oxazole acyl is careless The weight ratio of amine is 1:5~20.
5. Herbicidal combinations according to claim 1, it is characterised in that the composition is total to by active ingredient and insecticides adjuvant It is same that acceptable dosage form on pesticide is made.
6. Herbicidal combinations according to claim 5, it is characterised in that the weight percent of active ingredient contains in the composition Measure is 2~95%.
7. Herbicidal combinations according to claim 6, it is characterised in that the weight percent of active ingredient contains in the composition Measure is 5~85%.
8. Herbicidal combinations according to claim 5, it is characterised in that the dosage form is dispersible oil-suspending agent, wettable Pulvis, water dispersible granules or missible oil.
9. purposes of the Herbicidal combinations described in claim 1 in terms of agriculture field prevents crop weeds.
10. purposes according to claim 9, it is characterised in that the weeds are selected from Semen Cuscutae, barnyard grass, ox chickweed, dog tail Grass.
CN201810039386.5A 2018-01-16 2018-01-16 Containing pyroxsulam He metamifop Herbicidal combinations Pending CN108157379A (en)

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CN201810039386.5A CN108157379A (en) 2018-01-16 2018-01-16 Containing pyroxsulam He metamifop Herbicidal combinations

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105766899A (en) * 2010-07-15 2016-07-20 陶氏益农公司 Solid Herbicide Compositions With Built-in Adjuvant
CN107372543A (en) * 2017-08-10 2017-11-24 江苏辉丰农化股份有限公司 The Herbicidal combinations of Han You metamifops and Flumetsulam

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105766899A (en) * 2010-07-15 2016-07-20 陶氏益农公司 Solid Herbicide Compositions With Built-in Adjuvant
CN107372543A (en) * 2017-08-10 2017-11-24 江苏辉丰农化股份有限公司 The Herbicidal combinations of Han You metamifops and Flumetsulam

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Application publication date: 20180615