CN109452306A - Herbicidal combinations and its application - Google Patents
Herbicidal combinations and its application Download PDFInfo
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- CN109452306A CN109452306A CN201910045680.1A CN201910045680A CN109452306A CN 109452306 A CN109452306 A CN 109452306A CN 201910045680 A CN201910045680 A CN 201910045680A CN 109452306 A CN109452306 A CN 109452306A
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- herbicidal combinations
- ammonium
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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
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds
- A01N57/20—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds containing acyclic or cycloaliphatic radicals
-
- 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
- A01N33/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds
- A01N33/16—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds containing nitrogen-to-oxygen bonds
- A01N33/18—Nitro compounds
- A01N33/20—Nitro compounds containing oxygen or sulfur attached to the carbon skeleton containing the nitro group
- A01N33/22—Nitro compounds containing oxygen or sulfur attached to the carbon skeleton containing the nitro group having at least one oxygen or sulfur atom and at least one nitro group directly attached to the same aromatic ring system
-
- 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
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/44—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids
- A01N37/48—Nitro-carboxylic acids; Derivatives thereof
-
- 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
- A01N41/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom
- A01N41/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom containing a sulfur-to-oxygen double bond
- A01N41/04—Sulfonic acids; Derivatives thereof
- A01N41/06—Sulfonic acid amides
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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
- A01N43/88—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 six-membered rings with three ring hetero atoms
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- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
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- General Health & Medical Sciences (AREA)
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of Herbicidal combinations and its applications.The Herbicidal combinations include active components A and active constituent B.Wherein, the active components A is smart glufosinate-ammonium, and the active constituent B includes one of diphenyl ether herbicide or a variety of.The active components A and the weight ratio of active constituent B are (1~20): (80~1).The Herbicidal combinations can be used for preventing and treating grass weeds, broadleaf weeds and nutgrass flatsedge weeds.By the compounding of a variety of active ingredients, drug effect is fast, expands degrass spectrum, improves environment compatibility.
Description
Technical field
The present invention relates to a kind of Herbicidal combinations, in particular to a kind of Herbicidal combinations comprising smart glufosinate-ammonium, and its
Application in agricultural.
Background technique
The chemical name of smart glufosinate-ammonium is 4- [hydroxyl (methyl) phosphono]-L- high lactamine, soluble easily in water, is not readily dissolved in
Organic solvent stablizes light, and fusing point is 214-216 DEG C, molecular formula are as follows: C5H12NO4P；Molecular weight: 181.1；Structural formula are as follows:
Smart glufosinate-ammonium belongs to non-conducting contact killing type herbicide, controlling weeds be by inhibiting glutamine synthelase,
Lead to nitrogen metabolism disorder in plant, the accumulative poisoning of nitrogen, and then chloroplaset synthesis and photosynthesis is made to be obstructed, eventually leads to plant
It is dead.The advantages that smart glufosinate-ammonium has toxicity low, and highly-safe, herbicidal spectrum is wide, and activity is high, and weeding speed is fast.Moreover, essence grass ammonium
Phosphine good water solubility facilitates processing and is used in combination.
Fluoroglycofen-ethyl (Fluoroglycofen-ethyl, O- [5- (the fluoro- p- toloxyl of 2- chloro- a, a, a- tri-) -2-
Nitro benzoyl] fluoroacetic acid ethyl ester) it is diphenyl ether herbicide, chemical structural formula is as follows:
Fluoroglycofen-ethyl is contact killing type herbicide after seedling, protoporphyrin can be inhibited to aoxidize mould inhibitor, only in illumination item
Effect is just played under part, can be used alternately for preventing and kill off the gramineae weed in various crops and broadleaf weeds.
Oxyfluorfen (the chloro- 4- trifluoromethyl -4'- nitro -3'- ethoxyl phenenyl ether of Oxyfluorfen, 2-) is
Diphenyl ether herbicide, chemical structural formula are as follows:
Oxyfluorfen is selective contact killing type herbicide, can be used alternately for preventing and kill off broadleaf weeds in various crops,
Nutgrass flatsedge and barnyard grass, it is especially inhibited to perennial weeds.
Fomesafen (Fomesafen, 5- [2- chloro- 4- (trifluoromethyl) phenoxy group]-N- (mesyl) -2- nitro
Benzamide) it is diphenyl ether herbicide, chemical structural formula is as follows:
Fomesafen is highly selective herbicide, can effectively prevent and kill off broadleaf weeds and gramineae weed.
But smart glufosinate-ammonium or diphenyl ether herbicide single dose, which is used for a long time, can be easy to cause drug resistance, cause to use medicament
Amount increases, and environment influences to increase, and control efficiency reduces, and drug cost increases.
Summary of the invention
In view of this, the main purpose of the present invention is to provide a kind of Herbicidal combinations, by including smart glufosinate-ammonium conduct
One of active constituent is compounded with diphenyl ether herbicide, realizes the dosage for reducing herbicidal active component, is improved control efficiency, is prolonged
Long lasting period, resistance of rainwater washing against delay drug resistance, expand the purpose of prevention and treatment range.
According on one side, the present invention provides a kind of Herbicidal combinations, including active components A and active constituent B,
In, the active components A is smart glufosinate-ammonium, and the active constituent B includes one of diphenyl ether herbicide or a variety of, wherein
The active components A and the weight ratio of active constituent B are 1:20~80:1.
Preferably, the diphenyl ether herbicide is selected from fluoroglycofen-ethyl, Oxyfluorfen and fomesafen.
Based on the total weight of the Herbicidal combinations, the weight percent of the active components A and active constituent B is 10~
50%.
According to a specific embodiment, the effective dose of the Herbicidal combinations is 20~150g (a.i.)/ha.
According to another embodiment, based on the total weight of the Herbicidal combinations, the Herbicidal combinations include:
Smart glufosinate-ammonium 2~25%, diphenyl ether herbicide 2~8%, composite assistant 5~25%.
According to a specific embodiment, based on the total weight of the Herbicidal combinations, the Herbicidal combinations include: essence
Glufosinate-ammonium 2~25%, diphenyl ether herbicide 2~8%, alkyl glycosides 1~12%, cocamide glycine betaine 4~15% are remaining
Amount is water.
According to another embodiment, based on the total weight of the Herbicidal combinations, the Herbicidal combinations include:
Smart glufosinate-ammonium 2~25%, diphenyl ether herbicide 2~8%, castor oil polyoxyethylene ether 3~7%, PULLRONIC F68
Block polyether 2~20%, water 20~60%.
Preferably, the active constituent B further includes bentazone, haloxyfop-r-methyl, Quizalotop-ethyl, clethodim, trichlorine
One of pyrrole fluoroacetic acid, fluroxypyr are a variety of.
Optionally, the dosage form of the Herbicidal combinations be selected from wettable powder, pulvis, granule, microemulsion, aqueous emulsion,
Oil-suspending agent, aqueous suspension agent, colloidal powder and missible oil.
According to another aspect of the present invention, the present invention also provides the applications that the Herbicidal combinations are used for management of weeds.
Herbicidal combinations according to the present invention because containing smart glufosinate-ammonium in component, by with diphenyl ether herbicide, with
And optionally matched with above-mentioned composite assistant, have the advantage that the efficient and splendid water solubility for making full use of smart glufosinate-ammonium,
To reduce the dosage of pesticidal preparations, the use for even avoiding organic solvent is reduced；Utilize diphenyl ether herbicide
Selectivity, to gramineae weed, broadleaf weeds and sedge weed Selective long-range DEPT；Utilize smart glufosinate-ammonium, diphenyl ether
Physics bonding effect between herbicide and composite assistant, is effectively formed medicine film in plant surface, can be better against rainwater
It washes away, to extend pesticidal preparations in the residence time of plant surface, so that smart glufosinate-ammonium and diphenyl ether herbicide remove
Careless activation plays are more abundant, further improve the activity of weeding of above-mentioned complex herbicidal composition, to realize reduction agriculture
Medicine usage amount reduces the pollution to environment.
Therefore, Herbicidal combinations according to the present invention are compared with the smart glufosinate-ammonium and diphenyl ether herbicide of exclusive use,
Have effects that more significant synergistic.Specifically, Herbicidal combinations according to the present invention are particularly suitable for preventing and kill off grass
Section weeds, broadleaf weeds and nutgrass flatsedge weeds, such as clearvers, Veronica, amur foxtail, herba eleusines indicae, barnyard grass, herba setariae viridis, herba digitariae, perfume (or spice)
Monkshood etc..
Specific embodiment
Herbicidal combinations according to the present invention include active components A and active constituent B, and wherein active components A is the careless ammonium of essence
Phosphine, active constituent B include one of diphenyl ether herbicide or a variety of, and optionally bentazone, haloxyfop-r-methyl,
One of Quizalotop-ethyl, clethodim, trichlopyr, fluroxypyr are a variety of.
Wherein, the weight ratio of active components A and active constituent B can be 1:20~80:1, preferably 1:20~70:1, more preferably
1:15~65:1, most preferably 1:10~50:1, may be, for example, 1:5,1:1,5:1,10:1,15:1,20:1,25:1,30:1,35:
Isosorbide-5-Nitrae 0:1,45:1.
When the active constituent of above-mentioned Herbicidal combinations includes: smart glufosinate-ammonium；Fluoroglycofen-ethyl, Oxyfluorfen and fluorine sulfanilamide (SN)
One of careless ether is a variety of；And bentazone, haloxyfop-r-methyl, Quizalotop-ethyl, clethodim, trichlopyr, chlorine
One of fluorine pyrrole fluoroacetic acid or it is a variety of when, their weight ratio can be (1~25): (1~16): (1~50), such as (1~
25): (1~10): (1~25), (1~15): (1~4): (8~50), (1~25): (1~4): (1~25), (1~25): (1
~4): (1~15), (1~15): (1~4): (1~10), preferably 16:1:16,1:5:5.
According to a specific embodiment, above-mentioned Herbicidal combinations further include composite assistant.Based on the Herbicidal combinations
Total weight, the Herbicidal combinations include: smart glufosinate-ammonium 2~25% (preferably 5~20%, more preferable 7~15%), second carboxylic fluorine
One of careless ether, Oxyfluorfen and fomesafen or it is a variety of 2~8% (preferably 2~6%, more preferable 2~4%, such as
3%, 5%), composite assistant 5~25% (preferably 5~20%, more preferable 7~18%, such as 10%, 15%).For example, compound help
Agent can be the alkyl glycosides and cocounut oil that weight ratio is 5:1~1:3 (such as 4:1~1:3, preferably 2.5:1, more preferable 1:1.5)
The combination of base amide betaine or weight ratio be 3:1~1:7 (such as 3:1~1:5, preferably 2:1~1:3, more preferable 1:
1.5) combination of castor oil polyoxyethylene ether and PULLRONIC F68 (EO-PO) block polyether.
Abovementioned alkyl glucosides may be, for example, C8~C12 alkyl glycosides, may be, for example, Dodecyl Glucoside.
Above-mentioned castor oil polyoxyethylene ether may be, for example, castor oil polyoxyethylene ether 40 or castor oil polyoxyethylene ether 80.
It is poly- that above-mentioned PULLRONIC F68 block polyether may be, for example, propylene glycol polyoxyethylene poly-oxygen propylene aether blocked
Ether, glycerine polyoxyethylene poly-oxygen propylene aether blocked polyethers, ethylenediamine polyoxyethylene polystyrene blocked polyethers.
It is preferably based on the total weight of Herbicidal combinations, above-mentioned Herbicidal combinations include: smart glufosinate-ammonium 2~25%, second carboxylic
Fluofazone 2~8%, alkyl glycosides 1~12%, cocamide glycine betaine 4~15%, surplus are water.
Optionally, based on the total weight of Herbicidal combinations, above-mentioned Herbicidal combinations include: smart glufosinate-ammonium 2~25%, second carboxylic
Fluofazone 2~8%, castor oil polyoxyethylene ether 3~7%, PULLRONIC F68 block polyether 2~20%, water 20~
60%.
Preferably, Herbicidal combinations of the invention may also include the organic solvent of 1~5% weight, preferably 1.5~3.5%,
Such as 2%, 2.5%.
Above-mentioned organic solvent can be selected from ethyl alcohol, methanol, N,N-dimethylformamide, dimethyl sulfoxide, cyclohexanone.
Herbicidal combinations of the invention may also include the oleaginous bases such as methyl oleate, be used to prepare the dosage forms such as oil emu.
Further, above-mentioned Herbicidal combinations may also include filler, emulsifier, thickener, antifreezing agent, dispersing agent, bonding
One of agent, stabilizer, safener, synergist or a variety of adjuvants.
Filler for use in the present invention can be selected from kaolin, bentonite, white carbon black, light calcium.
Based on the total weight of the Herbicidal combinations, the percentage of the active constituent is 10~50%, preferably 12~
45%, more preferable 15~40%, such as 17~35%, specially 20%, 25%, 30% etc..
The dosage form of the Herbicidal combinations be selected from wettable powder, pulvis, granule, suspending agent, microemulsion, aqueous emulsion,
Oil-suspending agent, aqueous suspension agent, colloidal powder and missible oil.
Above-mentioned Herbicidal combinations are preferably microemulsion or oil-suspending agent, using it is preceding be watered dilution after be sprayed on target,
Medicine film can quickly be formed.Herbicidal combinations according to the present invention infiltration conductibility is strong, and adherence is good, resistance of rainwater washing against, when holding effect
Between it is long so that the utilization rate of medicament is high, reduce pharmaceutical use, environmental-protection function is more significant.
The effective dose of the Herbicidal combinations be 0.5~100g (a.i.)/ha, preferably 1~80g (a.i.)/ha, 5~
68g (a.i.)/ha, more preferable 15~50g (a.i.)/ha, more preferable 20~45g (a.i.)/ha, such as 25g (a.i.)/ha,
30g (a.i.)/ha, 40g (a.i.)/ha.
Herbicidal combinations according to the present invention can be provided in the form of finished product preparation, i.e., each ingredient has mixed in composition,
Perhaps each ingredient of composition can also be provided with unit dose form is directly directly mixed in bucket or tank using preceding, then dilute
It releases to required concentration.
In Herbicidal combinations according to the present invention, carboxyl, hydroxyl, amino and phosphine are contained in smart glufosinate-ammonium molecular structure
Acyl group, diphenyl ether herbicide molecular structure is interior to contain nitro, ester acyl group or ehter bond and halogen group-Cl and-F, therefore living
Property ingredient and composite assistant, i.e., multiple alcoholic extract hydroxyl groups, cocamide glycine betaine, castor oil polyoxyethylene ether in alkyl glycosides or
Multiple ehter bonds or ester acyl group in PULLRONIC F68 block polyether can form solid netted hydrogen bond structure, can be in plant
Surface forms medicine film, can be inhaled quickly by plant so as to preferably adhere to plant surface and penetrate the wax coat of plant epidermis
It receives, resistance of rainwater washing against extends contact time.Due to smart glufosinate-ammonium, diphenyl ether herbicide, cocamide glycine betaine, castor-oil plant
Oily polyoxyethylene ether or PULLRONIC F68 block polyether have fabulous water solubility and biological degradability, can extend medicine
The retention time is imitated, to realize lasting, efficient herbicidal effect.
Herbicidal combinations according to the present invention pass through compounding for smart glufosinate-ammonium and diphenyl ether herbicide, can be used for ploughing and
The prevention and treatment of bare place weeds.Especially for gramineae weed, broadleaf weeds and nutgrass flatsedge weeds, just have under significant low dosage
There is obvious better control efficiency.
Further, by smart glufosinate-ammonium, the combination of diphenyl ether herbicide and specific composite assistant, medicine is improved
The interfacial characteristics of thing liquid drop and plant surface increase contact surface to extend the time of contact of plant drop and plant.Therefore,
The combination of smart glufosinate-ammonium, diphenyl ether herbicide and composite assistant further improves the weeding effect of above-mentioned Herbicidal combinations
Rate.
Specific embodiment will be enumerated below, and embodiment of the present invention is illustrated with representativeness.
Embodiment
The present composition is using smart glufosinate-ammonium as active constituent (A), diphenyl ether herbicide and/or other Herbicidal compositions
For active constituent (B), binary or Recompounded multielement are formed, the combination between them has apparent synergistic work to control of weeds
With.
(1) indoor toxicity determination test
Measuring method: indoor pot method, barnyard grass, herba eleusines indicae, nutgrass flatsedge, Chenopodiaceae carry out cauline leaf process with spray tower.15d after medicine
It measures fresh weight inhibition rate, calculate ED50Value, co-toxicity coefficient, the activity of weeding of reagent is evaluated with this.
Binary combined action of herbicide is evaluated with Sun Peiyun co-toxicity coefficient method, formula is as follows:
In formula:
ATI-mixture surveys toxicity index；
S-standard agent ED50/90；
M-mixture ED50/90；
TTI=A × PA+B×PB
In formula:
TTI-mixtures theoretical toxicity index；
A-A medicament toxicity index；
B-B medicament toxicity index；
Percentage composition of PA-A medicament in mixture；
Percentage composition of PB-B medicament in mixture；
In formula:
CTC-co-toxicity coefficient；
ATI-mixture surveys toxicity index；
TTI-mixtures theoretical toxicity index.
Criterion: CTC > 120 is synergistic effect；CTC < 80 is antagonism；80 < CTC < 120 are summation action.
Smart glufosinate-ammonium+fluoroglycofen-ethyl
It is tested according to compound drug of the above-mentioned indoor toxicity determination test to smart glufosinate-ammonium and fluoroglycofen-ethyl, and root
Co-toxicity coefficient is calculated according to Sun Peiyun co-toxicity coefficient method, is as a result shown in Table 1.
The smart glufosinate-ammonium of table 1 compounds the toxicity test result to barnyard grass fresh weight with fluoroglycofen-ethyl
It can be seen that by the toxicity test result of smart glufosinate-ammonium and fluoroglycofen-ethyl formulation agents shown in the above table 1, essence grass
When the binary built reagent of ammonium phosphine and fluoroglycofen-ethyl is in the range of the two weight ratio is in 1:20~80:1, all has and be greater than
120 co-toxicity coefficient, i.e. these formulation agents all have significant synergistic function.And smart glufosinate-ammonium and fluoroglycofen-ethyl
When weight ratio is 1:30 and 90:1, only summation action.
Smart glufosinate-ammonium+Oxyfluorfen
It is tested according to compound drug of the above-mentioned indoor toxicity determination test to smart glufosinate-ammonium and Oxyfluorfen, and root
Co-toxicity coefficient is calculated according to Sun Peiyun co-toxicity coefficient method, is as a result shown in Table 2.
The smart glufosinate-ammonium of table 2 compounds the toxicity test result to barnyard grass fresh weight with Oxyfluorfen
It can be seen that by the toxicity test result of smart glufosinate-ammonium and Oxyfluorfen formulation agents shown in the above table 2, essence grass
When the binary built reagent of ammonium phosphine and Oxyfluorfen is in the range of the two weight ratio is in 1:20~80:1, all has and be greater than
120 co-toxicity coefficient, i.e. these formulation agents all have significant synergistic function.And smart glufosinate-ammonium and Oxyfluorfen
When weight ratio is 1:30 and 90:1, only summation action.
Smart glufosinate-ammonium+fomesafen
It is tested according to compound drug of the above-mentioned indoor toxicity determination test to smart glufosinate-ammonium and fomesafen, and root
Co-toxicity coefficient is calculated according to Sun Peiyun co-toxicity coefficient method, is as a result shown in Table 3.
The smart glufosinate-ammonium of table 3 compounds the toxicity test result to barnyard grass fresh weight with fomesafen
It can be seen that by the toxicity test result of smart glufosinate-ammonium and fomesafen formulation agents shown in the above table 3, essence grass
When the binary built reagent of ammonium phosphine and fomesafen is in the range of the two weight ratio is in 1:20~80:1, all has and be greater than
120 co-toxicity coefficient, i.e. these formulation agents all have significant synergistic function.And smart glufosinate-ammonium and fomesafen
When weight ratio is 1:30 and 90:1, only summation action.
Smart glufosinate-ammonium+fluoroglycofen-ethyl+Oxyfluorfen
According to above-mentioned indoor toxicity determination test to the compound drug of smart glufosinate-ammonium and fluoroglycofen-ethyl, Oxyfluorfen into
Row test, and co-toxicity coefficient is calculated according to Sun Peiyun co-toxicity coefficient method, as a result it is shown in Table 4.
The smart glufosinate-ammonium of table 4 compounds the toxicity test result to nutgrass flatsedge fresh weight with fluoroglycofen-ethyl, Oxyfluorfen
By the toxicity test result of smart glufosinate-ammonium and fluoroglycofen-ethyl, Oxyfluorfen formulation agents shown in the above table 4
Can be seen that, smart glufosinate-ammonium and fluoroglycofen-ethyl, Oxyfluorfen ternary built reagent in three's weight ratio in (1~25): (1
~16): when in the range of (1~50), all having the co-toxicity coefficient greater than 120, i.e., these formulation agents all have significant association
Same synergistic effect.And smart glufosinate-ammonium and the weight ratio of fluoroglycofen-ethyl, Oxyfluorfen all do not have when being 30:1:25 and 1:20:25
There is synergistic function.
Smart glufosinate-ammonium+fluoroglycofen-ethyl+fomesafen
According to above-mentioned indoor toxicity determination test to the compound drug of smart glufosinate-ammonium and fluoroglycofen-ethyl, fomesafen into
Row test, and co-toxicity coefficient is calculated according to Sun Peiyun co-toxicity coefficient method, as a result it is shown in Table 5.
The smart glufosinate-ammonium of table 5 compounds the toxicity test result to nutgrass flatsedge fresh weight with fluoroglycofen-ethyl, fomesafen
By the toxicity test result of smart glufosinate-ammonium and fluoroglycofen-ethyl, fomesafen formulation agents shown in the above table 5
Can be seen that, smart glufosinate-ammonium and fluoroglycofen-ethyl, fomesafen ternary built reagent in three's weight ratio in (1~25): (1
~16): when in the range of (1~50), all having the co-toxicity coefficient greater than 120, i.e., these formulation agents all have significant association
Same synergistic effect.And smart glufosinate-ammonium and the weight ratio of fluoroglycofen-ethyl, fomesafen all do not have when being 30:1:25 and 1:20:25
There is synergistic function.
Smart glufosinate-ammonium+Oxyfluorfen+fomesafen
According to above-mentioned indoor toxicity determination test to the compound drug of smart glufosinate-ammonium and Oxyfluorfen, fomesafen into
Row test, and co-toxicity coefficient is calculated according to Sun Peiyun co-toxicity coefficient method, as a result it is shown in Table 6.
The smart glufosinate-ammonium of table 6 compounds the toxicity test result to nutgrass flatsedge fresh weight with Oxyfluorfen, fomesafen
By the toxicity test result of smart glufosinate-ammonium and Oxyfluorfen, fomesafen formulation agents shown in the above table 6
Can be seen that, smart glufosinate-ammonium and Oxyfluorfen, fomesafen ternary built reagent in three's weight ratio in (1~25): (1
~16): when in the range of (1~50), all having the co-toxicity coefficient greater than 120, i.e., these formulation agents all have significant association
Same synergistic effect.And smart glufosinate-ammonium and the weight ratio of Oxyfluorfen, fomesafen all do not have when being 30:1:25 and 1:20:25
There is synergistic function.
Smart glufosinate-ammonium+Oxyfluorfen+bentazone
It is surveyed according to compound drug of the above-mentioned indoor toxicity determination test to smart glufosinate-ammonium and Oxyfluorfen, bentazone
Examination, and co-toxicity coefficient is calculated according to Sun Peiyun co-toxicity coefficient method, as a result it is shown in Table 7.
The smart glufosinate-ammonium of table 7 compounds the toxicity test result to Chenopodiaceae fresh weight with Oxyfluorfen, bentazone
It can be seen by the toxicity test result of smart glufosinate-ammonium and Oxyfluorfen, bentazone formulation agents shown in the above table 7
Out, the ternary built reagent of smart glufosinate-ammonium and Oxyfluorfen, bentazone is in three's weight ratio in (1~25): (1~16): (1
~50) when in the range of, the co-toxicity coefficient greater than 120 is all had, i.e., these formulation agents all have significant synergistic work
With.And smart glufosinate-ammonium and the weight ratio of Oxyfluorfen, bentazone are all made without synergistic when being 30:1:25 and 1:20:25
With.
(2) field weeding pharmacodynamic test
Experiment one
Pesticidal preparations are made in the reagent of the composition according to following table 8, and are applied in test area, to evaluate these
The drug effect of pesticidal preparations.
The composition (one) of 8 preparation of table and Comparative formulation
Note: what is listed in the above table is the parts by weight of each ingredient.
Test method: according to the area of trial zone, the good each medicament of precise after being watered dilution, utilizes knapsack spraying
Device carries out even spraying.The dedicated Fan spray head of sprinkler selection weeding selects be sprayed the afternoon of fine day illumination abundance.Spray
Medical fluid is uniformly sprayed application in experimental plot when mist, accomplishes not respray, drain spray.
After the test, 20d, 40d observe weeds death condition after medicine respectively, and take 1 square meter at random from each cell
Weeds mortality survey is carried out, preventive effect is calculated.As a result it is shown in Table 9.
9 field control effectiveness test of table (one)
It can be seen that by the data of the above table 8 and table 9, include smart glufosinate-ammonium, fluoroglycofen according to the preparation 1~4 of the application
Combination within the scope of the special ratios of ether, Dodecyl Glucoside and cocamide glycine betaine has collaboration to barnyard grass and nutgrass flatsedge
Synergistic effect.Particularly, under ultralow effective dose, existed according to the preventive effect of 1~4 pair of barnyard grass of preparation of the application and nutgrass flatsedge
91% or more, and the preventive effect duration is considerably longer.
Compared with preparation 3, Comparative formulation 1~8 respectively only comprising smart glufosinate-ammonium, fluoroglycofen-ethyl, Dodecyl Glucoside and
Three kinds in cocamide glycine betaine, even if these three ingredient relative scales are identical, preventive effect and duration and 3 phase of preparation
Than also differing greatly, it can be seen that, above-mentioned four kinds of components are mutually supported, have significant synergistic function.
Compared with preparation 3, it is preferred that the content of active constituent and composite assistant that Comparative formulation 9 includes has exceeded the application
Range, therefore also there is larger decline in their preventive effect.Wherein, the total content of active constituent is 60% in Comparative formulation 9,
But there is decline in preventive effect, this is because active constituent is easy to appear dispersion in preparation after active component content exceeds 60%
Unevenly, to reduce drug effect.
Experiment two
Pesticidal preparations are made in the reagent of the composition according to following table 10, and evaluate these agricultures according to the method for experiment one
The drug effect of medicine preparation, is as a result shown in Table 11.
The composition (two) of 10 preparation of table and Comparative formulation
Note: what is listed in the above table is the parts by weight of each ingredient.
11 field control effectiveness test of table (two)
It can be seen that by the data of the above table 10 and table 11, include smart glufosinate-ammonium, second carboxylic fluorine according to the preparation 5~8 of the application
Group within the scope of the special ratios of careless ether, castor oil polyoxyethylene ether and PULLRONIC F68 block polyether (EO-PO)
It closes, there is synergistic function to barnyard grass and nutgrass flatsedge.Particularly, under ultralow effective dose, according to the preparation 5~8 of the application
To the preventive effect of barnyard grass and nutgrass flatsedge 91% or more, and the preventive effect duration is considerably longer.
Compared with preparation 7, Comparative formulation 11~18 is respectively only comprising smart glufosinate-ammonium, fluoroglycofen-ethyl, castor oil polyoxy second
It three kinds in alkene ether and PULLRONIC F68 block polyether, even if these three ingredient relative scales are identical, preventive effect and holds
The continuous time also differs greatly compared with preparation 7, it can be seen that, above-mentioned four kinds of components are mutually supported, are had significant synergistic
Effect.
Compared with preparation 7, it is excellent that the content of active constituent and composite assistant that Comparative formulation 19 includes has exceeded the application
The range of choosing, therefore also there is larger decline in their preventive effect.Wherein, the total content of active constituent is in Comparative formulation 19
60%, but there is decline in preventive effect, this is because active constituent is easy to appear in preparation after active component content exceeds 60%
Dispersion is uneven, to reduce drug effect.
Experiment three
Pesticidal preparations are made in the reagent of the composition according to following table 12, and evaluate these agricultures according to the method for experiment one
The drug effect of medicine preparation, is as a result shown in Table 13.
The composition (three) of 12 preparation of table and Comparative formulation
Note: what is listed in the above table is the parts by weight of each ingredient.
13 field control effectiveness test of table (three)
It can be seen that by the data of the above table 12 and table 13, include smart glufosinate-ammonium, ethoxy fluorine according to the preparation 9~12 of the application
Combination within the scope of the special ratios of careless ether, Dodecyl Glucoside and cocamide glycine betaine has association to barnyard grass and nutgrass flatsedge
Same synergistic effect.Particularly, under ultralow effective dose, the preventive effect according to 9~12 pairs of barnyard grasses of preparation of the application and nutgrass flatsedge is equal
91% or more, and the preventive effect duration is considerably longer.
Compared with preparation 11, Comparative formulation 21~28 is respectively only comprising smart glufosinate-ammonium, Oxyfluorfen, Dodecyl Glucoside
With three kinds in cocamide glycine betaine, even if these three ingredient relative scales are identical, preventive effect and duration and preparation
11 compared to also differing greatly, it can be seen that, above-mentioned four kinds of components are mutually supported, have significant synergistic function.
Compared with preparation 11, it is excellent that the content of active constituent and composite assistant that Comparative formulation 29 includes has exceeded the application
The range of choosing, therefore also there is larger decline in their preventive effect.Wherein, the total content of active constituent is in Comparative formulation 19
60%, but there is decline in preventive effect, this is because active constituent is easy to appear in preparation after active component content exceeds 60%
Dispersion is uneven, to reduce drug effect.
Experiment four
Pesticidal preparations are made in the reagent of the composition according to following table 14, and evaluate these agricultures according to the method for experiment one
The drug effect of medicine preparation, is as a result shown in Table 15.
The composition (four) of 14 preparation of table and Comparative formulation
Note: what is listed in the above table is the parts by weight of each ingredient.
15 field control effectiveness test of table (four)
It can be seen that by the data of the above table 14 and table 15, include smart glufosinate-ammonium, ethoxy according to the preparation 13~16 of the application
Group within the scope of the special ratios of fluofazone, castor oil polyoxyethylene ether and PULLRONIC F68 block polyether (EO-PO)
It closes, there is synergistic function to barnyard grass and nutgrass flatsedge.Particularly, under ultralow effective dose, according to the preparation 13 of the application~
16 pairs of barnyard grasses and the preventive effect of nutgrass flatsedge are 91% or more, and the preventive effect duration is considerably longer.
Compared with preparation 15, Comparative formulation 41~48 is respectively only comprising smart glufosinate-ammonium, Oxyfluorfen, castor oil polyoxy second
It three kinds in alkene ether and PULLRONIC F68 block polyether, even if these three ingredient relative scales are identical, preventive effect and holds
The continuous time also differs greatly compared with preparation 15, it can be seen that, above-mentioned four kinds of components are mutually supported, are had significant synergistic
Effect.
Compared with preparation 15, it is excellent that the content of active constituent and composite assistant that Comparative formulation 49 includes has exceeded the application
The range of choosing, therefore also there is larger decline in their preventive effect.Wherein, the total content of active constituent is in Comparative formulation 49
60%, but there is decline in preventive effect, this is because active constituent is easy to appear in preparation after active component content exceeds 60%
Dispersion is uneven, to reduce drug effect.
Experiment five
Pesticidal preparations are made in the reagent of the composition according to following table 16, and evaluate these agricultures according to the method for experiment one
The drug effect of medicine preparation, is as a result shown in Table 17.
The composition (five) of 16 preparation of table and Comparative formulation
Note: what is listed in the above table is the parts by weight of each ingredient.
17 field control effectiveness test of table (five)
It can be seen that by the data of the above table 16 and table 17, include smart glufosinate-ammonium, fluorine sulphur according to the preparation 17~20 of the application
Combination within the scope of the special ratios of amine grass ether, Dodecyl Glucoside and cocamide glycine betaine, has barnyard grass and nutgrass flatsedge
Synergistic function.Particularly, under ultralow effective dose, according to the preventive effect of preparation 17~20 pairs of barnyard grasses and nutgrass flatsedge of the application
91% or more, and the preventive effect duration is considerably longer.
Compared with preparation 19, Comparative formulation 61~68 is respectively only comprising smart glufosinate-ammonium, fomesafen, Dodecyl Glucoside
With three kinds in cocamide glycine betaine, even if these three ingredient relative scales are identical, preventive effect and duration and preparation
19 compared to also differing greatly, it can be seen that, above-mentioned four kinds of components are mutually supported, have significant synergistic function.
Compared with preparation 19, it is excellent that the content of active constituent and composite assistant that Comparative formulation 69 includes has exceeded the application
The range of choosing, therefore also there is larger decline in their preventive effect.Wherein, the total content of active constituent is in Comparative formulation 69
60%, but there is decline in preventive effect, this is because active constituent is easy to appear in preparation after active component content exceeds 60%
Dispersion is uneven, to reduce drug effect.
Experiment six
Pesticidal preparations are made in the reagent of the composition according to following table 18, and evaluate these agricultures according to the method for experiment one
The drug effect of medicine preparation, is as a result shown in Table 19.
The composition (six) of 18 preparation of table and Comparative formulation
Note: what is listed in the above table is the parts by weight of each ingredient.
19 field control effectiveness test of table (six)
It can be seen that by the data of the above table 18 and table 19, include smart glufosinate-ammonium, fluorine sulphur according to the preparation 21~24 of the application
Group within the scope of the special ratios of amine grass ether, castor oil polyoxyethylene ether and PULLRONIC F68 block polyether (EO-PO)
It closes, there is synergistic function to barnyard grass and nutgrass flatsedge.Particularly, under ultralow effective dose, according to the preparation 21 of the application~
24 pairs of barnyard grasses and the preventive effect of nutgrass flatsedge are 91% or more, and the preventive effect duration is considerably longer.
Compared with preparation 23, Comparative formulation 71~78 is respectively only comprising smart glufosinate-ammonium, fomesafen, castor oil polyoxy second
It three kinds in alkene ether and PULLRONIC F68 block polyether, even if these three ingredient relative scales are identical, preventive effect and holds
The continuous time also differs greatly compared with preparation 23, it can be seen that, above-mentioned four kinds of components are mutually supported, are had significant synergistic
Effect.
Compared with preparation 23, it is excellent that the content of active constituent and composite assistant that Comparative formulation 79 includes has exceeded the application
The range of choosing, therefore also there is larger decline in their preventive effect.Wherein, the total content of active constituent is in Comparative formulation 79
60%, but there is decline in preventive effect, this is because active constituent is easy to appear in preparation after active component content exceeds 60%
Dispersion is uneven, to reduce drug effect.
Experiment seven
Pesticidal preparations are made in the reagent of the composition according to following table 20, and evaluate these agricultures according to the method for experiment one
The drug effect of medicine preparation, is as a result shown in Table 21.
The composition (seven) of 20 preparation of table and Comparative formulation
Note: what is listed in the above table is the parts by weight of each ingredient.
21 field control effectiveness test of table (seven)
It can be seen that by the data of the above table 20 and table 21, include smart glufosinate-ammonium, ethoxy according to the preparation 25~28 of the application
Fluofazone, bentazone, Dodecyl Glucoside and cocamide glycine betaine special ratios within the scope of combination, to Chenopodiaceae and nutgrass flatsedge
With synergistic function.Particularly, under ultralow effective dose, Chenopodiaceae and nutgrass flatsedge are prevented according to the preparation 25~28 of the application
Effect is 91% or more, and the preventive effect duration is considerably longer.
Compared with preparation 27, Comparative formulation 81~84 is respectively only comprising one in smart glufosinate-ammonium, Oxyfluorfen, bentazone
Kind or two kinds, one or both of Dodecyl Glucoside and cocamide glycine betaine, even if these ingredient relative scale phases
Together, preventive effect and duration also differ greatly compared with preparation 27.It can be seen that said components are mutually supported, have significant
Synergistic function.
Experiment eight
Pesticidal preparations are made in the reagent of the composition according to following table 22, and evaluate these agricultures according to the method for experiment one
The drug effect of medicine preparation, is as a result shown in Table 23.
The composition (eight) of 22 preparation of table and Comparative formulation
Note: what is listed in the above table is the parts by weight of each ingredient.
23 field control effectiveness test of table (eight)
It can be seen that by the data of the above table 22 and table 23, include smart glufosinate-ammonium, second carboxylic according to the preparation 29~32 of the application
Fluofazone, Oxyfluorfen, castor oil polyoxyethylene ether and PULLRONIC F68 block polyether (EO-PO) specific ratio
Combination in example range has synergistic function to Chenopodiaceae and nutgrass flatsedge.Particularly, under ultralow effective dose, according to the application
29~32 pairs of Chenopodiaceae of preparation and nutgrass flatsedge preventive effect 91% or more, and the preventive effect duration is considerably longer.
Compared with preparation 31, Comparative formulation 85~88 is respectively only comprising in smart glufosinate-ammonium, fluoroglycofen-ethyl, Oxyfluorfen
One or two, one or both of castor oil polyoxyethylene ether and PULLRONIC F68 block polyether, though this
A little ingredient relative scales are identical, and preventive effect and duration also differ greatly compared with preparation 31.It can be seen that said components phase
Mutually support that there is significant synergistic function.
Experiment nine
Pesticidal preparations are made in the reagent of the composition according to following table 24, and evaluate these agricultures according to the method for experiment one
The drug effect of medicine preparation, is as a result shown in Table 25.
The composition (nine) of 24 preparation of table and Comparative formulation
Note: what is listed in the above table is the parts by weight of each ingredient.
25 field control effectiveness test of table (nine)
It can be seen that by the data of the above table 24 and table 25, include smart glufosinate-ammonium, second carboxylic according to the preparation 33~36 of the application
Fluofazone, fomesafen, Dodecyl Glucoside and cocamide glycine betaine special ratios within the scope of combination, to Chenopodiaceae and
Nutgrass flatsedge has synergistic function.Particularly, under ultralow effective dose, according to 33~36 pairs of Chenopodiaceae of preparation of the application and nutgrass flatsedge
Preventive effect 91% or more, and the preventive effect duration is considerably longer.
Compared with preparation 35, Comparative formulation 89~92 is respectively only comprising in smart glufosinate-ammonium, fluoroglycofen-ethyl, fomesafen
One or two, one or both of Dodecyl Glucoside and cocamide glycine betaine, even if these ingredients compare
Example is identical, and preventive effect and duration also differ greatly compared with preparation 35.It can be seen that said components are mutually supported, have
Significant synergistic function.
Claims (10)
1. a kind of Herbicidal combinations, which is characterized in that the Herbicidal combinations include active components A and active constituent B, wherein
The active components A is smart glufosinate-ammonium, and the active constituent B includes one of diphenyl ether herbicide or a variety of and described
Active components A and the weight ratio of active constituent B are (1~20): (80~1).
2. Herbicidal combinations according to claim 1, wherein the diphenyl ether herbicide is selected from fluoroglycofen-ethyl, second
Oxygen fluofazone and fomesafen.
3. Herbicidal combinations according to claim 1, wherein the total weight based on the Herbicidal combinations, the activity
The weight percent of ingredient A and active constituent B are 10~50%.
4. Herbicidal combinations according to claim 1 or 2, wherein the effective dose of the Herbicidal combinations be 20~
150g(a.i.)/ha。
5. Herbicidal combinations according to claim 1 or 2, wherein the total weight based on the Herbicidal combinations, it is described to remove
Careless composition includes: smart glufosinate-ammonium 2~25%, diphenyl ether herbicide 2~8%, composite assistant 5~25%.
6. Herbicidal combinations according to claim 5, wherein the total weight based on the Herbicidal combinations, the weeding
Composition includes: smart glufosinate-ammonium 2~25%, diphenyl ether herbicide 2~8%, alkyl glycosides 1~12%, cocamide sweet tea
Dish alkali 4~15%, surplus are water.
7. Herbicidal combinations according to claim 5, wherein the total weight based on the Herbicidal combinations, the weeding
Composition includes: smart glufosinate-ammonium 2~25%, diphenyl ether herbicide 2~8%, castor oil polyoxyethylene ether 3~7%, polyoxy second
Alkene-oxypropylene block polyethers 2~20%, water 20~60%.
8. Herbicidal combinations according to claim 1 or 2, wherein the active constituent B further includes bentazone, efficient fluorine
One of the spirit of pyrrole first standing grain, Quizalotop-ethyl, clethodim, trichlopyr, fluroxypyr are a variety of.
9. Herbicidal combinations according to claim 1 or 2, wherein the dosage form of the Herbicidal combinations is selected from wettable powder
Agent, pulvis, granule, microemulsion, aqueous emulsion, oil-suspending agent, aqueous suspension agent, colloidal powder and missible oil.
10. the application that Herbicidal combinations according to any one of claim 1 to 9 are used for management of weeds.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113331206A (en) * | 2021-05-08 | 2021-09-03 | 安徽省益农化工有限公司 | 74% fluoroglycofen-ethyl and glufosinate-ammonium water dispersible granule |
| CN114375965A (en) * | 2021-12-23 | 2022-04-22 | 河北农信生物科技有限责任公司 | Weeding composition and application thereof |
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