CN105875626A - Composite herbicide containing tribenuron-methyl and lactofen and application of composite herbicide - Google Patents
Composite herbicide containing tribenuron-methyl and lactofen and application of composite herbicide Download PDFInfo
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- CN105875626A CN105875626A CN201610227126.1A CN201610227126A CN105875626A CN 105875626 A CN105875626 A CN 105875626A CN 201610227126 A CN201610227126 A CN 201610227126A CN 105875626 A CN105875626 A CN 105875626A
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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<
- A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof
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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
- 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
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Abstract
The invention relates to a composite herbicide containing tribenuron-methyl and lactofen and an application of the composite herbicide. The herbicide adopts tribenuron-methyl and lactofen as main effective components, wherein a weight ratio of tribenuron-methyl to lactofen is 1:1-20. Tribenuron-methyl and lactofen after compounded have remarkable synergistic effect, and are good in fast-acting property and have low toxicity for human and livestock; besides, tribenuron-methyl and lactofen have different action mechanisms, so that herbicide resistance of weeds can be delayed, and the composite herbicide containing tribenuron-methyl and lactofen is an ideal herbicide.
Description
Technical field
The present invention relates to technical field of pesticide, in particular it relates to a kind of containing tribenuron-methyl and the compound herbicide of lactofen and
Its application in preventing and treating agricultural weed.
Background technology
Semen Tritici aestivi is the third-largest cereal crops that China is only second to Semen Maydis and Oryza glutinosa, accounts for more than the 20% of whole nation total output of grain, so
Ensure that Semen Tritici aestivi is persistently got bumper crops to have a good harvest for keeping China's self-sufficiency rate of grain, ensure that national food security is significant.But,
Wheat Production is faced with numerous threat, and wherein weeds are one of topmost factors.It is reported, China's wheat paddock crop smothering area accounts for
More than the 55% of cultivated area, wherein serious harm area accounts for 28%, and production loss reaches 15%；Meanwhile, along with China labour force
Improving constantly of cost, utilizes herbicide to control weeds of wheat harm and has become as the required measure of Wheat Production.
Weeds of wheat can be divided into broad leaved weed and grassy weed two class, progressively increases the weight of although grassy weed endangers in recent years,
But broad leaved weed is still had the advantage status at northern China wheat paddock, and its main species has descurainia sophia (l.) webb ex prantl, Herba Capsellae, corn gromwell, wheat
Bottle grass, Herba Galii Teneri, Herba chenopodii, little Herba chenopodii, DAWANHUA, Herba seu Flos Convolvuli arvensis, lead a cow, field thistle, storage, Herba Abutili, Herba Xanthii, Fructus Kochiae, court
It Herba Potentillae Chinensis, wallflower, grass, Lepidium sativum L., Herba veronicae, Herba Trigonotidis peduncularis, Herba Euphorbiae Helioscopiae etc..Tribenuron-methyl is that China is little for preventing and kill off
Wheatland broad leaved weed most important herbicide kind, has that consumption is few, toxicity is low, broad weed-killing spectrum, numerous excellent to crop safety etc.
Point.
Tribenuron-methyl, English common name tribenuron-methyl, chemical name 2-[4-methoxyl group-6-methyl isophthalic acid, 3,5-triazine-2-base (first
Base) carbamoylamino sulfonyl] essence of Niobe, CAS registration number 101200-48-0.Lactofen, English common name
Lactofen, chemical name 2-nitro-5-(2-chloro-trifluoromethyl phenoxy) benzoic acid-1-(carbethoxyl group) ethyl ester, CAS registers
Number 77501-63-4.
But, owing to tribenuron-methyl action site is single, along with the prolongation of the time of use, herbicide resistance problem generally occurs, benzene
The grand preventive effect to weeds of sulphur is substantially reduced, and therefore, in the urgent need to developing the synergistic composition of tribenuron-methyl, prevents weeds to improve
Control effect, extend the service life of this fine herbicide, ensure Wheat Production safety.
Summary of the invention
First mesh of the present invention is to provide a kind of potentiation significantly containing tribenuron-methyl and the compound herbicide of lactofen, is used for preventing and treating
Weeds of wheat；Utilize the cooperative effect existed between the two, it is provided that multiple concrete scheme is to obtain more preferable application prospect.
The second object of the present invention is to provide the related application of this compound herbicide.
The present invention adopts the following technical scheme that
A kind of containing tribenuron-methyl with the compound herbicide of lactofen, this herbicide with tribenuron-methyl and lactofen for main effectively
Composition；The weight ratio of wherein said tribenuron-methyl and lactofen is 1:1-20.
Preferably, the weight ratio of described tribenuron-methyl and lactofen is 1:1-10.
It is highly preferred that the weight ratio of described tribenuron-methyl and lactofen is 1:1-5；Further it is preferably 1:4
The present invention studies discovery, when tribenuron-methyl and lactofen weight ratio within the above range time to compound effect more prominent.
It is further preferred that in compound herbicide of the present invention, both described tribenuron-methyl and lactofen account for described compound
The 5%～80% of herbicide gross weight, preferably 20%～50%.
Compound herbicide of the present invention, in addition to containing effective ingredient tribenuron-methyl and lactofen, it is also possible to add agriculturally or agriculture
The acceptable auxiliary agent of medicine preparation and/or carrier, be processed into acceptable dosage form on any pesticide on demand, such as suspended emulsion, micro-
Emulsion, aqueous emulsion, cream, oil-suspending agent, suspending agent, wettable powder, dry suspending agent, granule, water dispersible granules, powder
Agent, oil preparation, microcapsule suspending agent, the most more preferably dosage form is suspended emulsion, microemulsion, aqueous emulsion etc.；Preferred dosage form
For suspended emulsion.
Of the present invention agriculturally or the acceptable auxiliary agent of pesticidal preparations and/or carrier include but not limited to: solvent, emulsifying agent,
Co-emulsifier, dispersant, stabilizer, defoamer, viscosifier, density adjuster, pH adjusting agent, antifreezing agent, preservative,
Carrier, wetting agent, penetrating agent etc..
Further, suspended emulsion of the present invention preferably comprises the component of following weight content: tribenuron-methyl 1%～50%, breast fluorine
Diclofop-methyl 5%～50%, solvent 10%～50%, emulsifying agent 1%～5%, dispersant 0.1%～5%, viscosifier 0.1%～5%, disappear
Infusion 0.1%～3%, antifreezing agent 2%～10%, preservative 0.1%～1%, pH adjusting agent 0.1%～5%, deionized water are supplied remaining
Amount.
Further, suspended emulsion of the present invention preferably comprises the component of following weight content: tribenuron-methyl 2%～7%, breast fluorine
Diclofop-methyl 28%～36%, solvent 14%～17%, emulsifying agent 4%～4.5%, dispersant 2%～3%, viscosifier 0.5%, froth breaking
Agent 0.5%, antifreezing agent 5%, preservative 0.5%, pH adjusting agent 0.524%, deionized water supply surplus；Wherein solvent is different
Propanol, chloroform or dimethylbenzene, emulsifying agent is calcium dodecyl benzene sulfonate or octyl phenol polyoxyethylene poly-oxygen propylene aether, and dispersant is
Lignosulfonates, alkylnaphthalene sulfonate formaldehyde condensation products or nekal, viscosifier be xanthan gum, gelatin or I
Primary glue, defoamer is isoamyl alcohol, isooctanol or lauric acid, and antifreezing agent is ethylene glycol or propylene glycol, preservative be sodium salicylate or
Sodium benzoate, pH adjusting agent is Borax, sodium hydroxide.
The preparation method of above-mentioned suspended emulsion such as may is that by dispersant, viscosifier, defoamer, antifreezing agent, preservative,
PH adjusting agent, deionized water through high speed shear mix homogeneously, add the former medicine of tribenuron-methyl, ball milling 2～3 hours in ball mill, make
Diameter of particle is all below 5 μm, and mean diameter is less than 3 μm, prepares tribenuron-methyl suspending agent；By Loctofen, molten
After agent, emulsifying agent mixing, with in the direct emulsifying of high speed agitator to suspending agent.
Further, microemulsion of the present invention preferably comprises the component of following weight content: tribenuron-methyl 1%～50%, breast fluorine standing grain
Grass spirit 5%～50%, solvent 5%～50%, emulsifying agent 10%～20%, pH adjusting agent 0.1%～5%, stabilizer 0.5%～3%,
Antifreezing agent 5%～10%, deionized water supply surplus.
Further, microemulsion of the present invention preferably comprises the component of following weight content: tribenuron-methyl 2%～7%, breast fluorine standing grain
Grass spirit 15%～28%, solvent 14%～30%, emulsifying agent 15%～16%, pH adjusting agent 0.524%, stabilizer 1%～1.5%,
Antifreezing agent 5%, deionized water supply surplus；Wherein solvent be acetone, chloroform, or solvent be acetonitrile, isopropanol, emulsifying agent
It is C for calcium dodecyl benzene sulfonate, benzylbiphenyl phenol polyethenoxy ether, or emulsifying agent15Alkylsurfuric acid sodium salt, phenethyl phenol
Polyoxyethylene poly-oxygen propylene aether, pH adjusting agent is Borax, sodium hydroxide, and stabilizer is butyl glycidyl ether, 3-chloro-1,2-ring
Ethylene Oxide, antifreezing agent is Polyethylene Glycol, glycerol.
The preparation method of above-mentioned microemulsion such as may is that and former medicine, emulsifying agent, solvent, stabilizer, antifreezing agent is sufficiently mixed
The most transparent oil phase；Deionized water, pH adjusting agent are sufficiently mixed the most transparent aqueous phase；Under agitation that aqueous phase is slow
Slowly add oil phase, form Water in Oil emulsion, more agitated heating, be allowed to rapid phase inversion and become oil-in-water type, be cooled to room temperature,
Stable microemulsion is prepared through filtering.
Further, aqueous emulsion of the present invention preferably comprises the component of following weight content: tribenuron-methyl 1%～50%, breast fluorine standing grain
Grass spirit 5%～50%, solvent 5%～20%, emulsifying agent 3%～10%, dispersant 0.1%～5%, co-emulsifier 0.2%～5%, anti-
Freeze agent 2%～10%, defoamer 0.1%～3%, preservative 0%～1%, pH adjusting agent 0.1%～5%, density adjuster 0%～5%,
Viscosifier 0.1%～5%, deionized water supply surplus.
Further, aqueous emulsion of the present invention preferably comprises the component of following weight content: tribenuron-methyl 2%～7%, breast fluorine dogstail
Spirit 10%～28%, solvent 16%～20%, emulsifying agent 7%～8.5%, dispersant 2%～3%, co-emulsifier 1.5%～2%, anti-
Freeze agent 2%～3.5%, defoamer 1%, preservative 0.5%～1%, pH adjusting agent 0.524%, density adjuster 0.5%～1%,
Viscosifier 0.5%, deionized water supply surplus；Wherein solvent be acetonitrile, dimethylbenzene, or solvent be acetonitrile, chloroform, or
Solvent is acetone, chloroform, and emulsifying agent is ethylene oxide-propylene oxide block copolymer, ethoxyquin alkyl phenylate or detergent alkylate
Sulfoacid calcium, dispersant is Radix Acaciae senegalis or polyvinyl alcohol, and co-emulsifier is isobutanol or butanol, antifreezing agent be ammonium sulfate, third
Glycol or glycerol, defoamer is lauric acid, isooctanol or isoamyl alcohol, and preservative is 2-xenol, hydroxy benzaldehyde or 1,2-
Benzothiazoline-3-ketone, pH adjusting agent is Borax, sodium hydroxide, and density adjuster is carbamide or NaCl, and viscosifier are ton
Glue or polyacrylate.
The preparation method of above-mentioned aqueous emulsion such as may is that former medicine, solvent, emulsifying agent, co-emulsifier, dispersant, froth breaking
Agent, viscosifier are added together, and make to be dissolved into homogeneous oil phase.By water, antifreezing agent, preservative, pH adjusting agent, density adjuster
Mix, become homogeneous aqueous phase.Under high velocity agitation, aqueous phase is added oil phase, form finely disseminated aqueous emulsion.
In the present invention, described solvent can be isopropanol, chloroform, dimethylbenzene, acetone, acetonitrile, toluene, ethyl acetate, ring
In hexanone, methanol, ethanol, propanol, butanol, ethylene glycol, ether, butyl ether, dimethylformamide, dimethyl sulfoxide one
Plant or multiple；
Described emulsifying agent can be calcium dodecyl benzene sulfonate, octyl phenol polyoxyethylene poly-oxygen propylene aether, benzylbiphenyl phenol polyoxy second
Alkene ether, C15Alkylsurfuric acid sodium salt, phenethyl phenol polyethenoxy polyethenoxy ether, ethylene oxide-propylene oxide block copolymer,
One or more in ethoxyquin alkyl phenylate, cyclohexyl phenol polyethenoxy polyethenoxy ether；
Described co-emulsifier can be butanol, isobutanol, dodecanol-1, tetradecanol-1, octadecanol-1, nonadecanol-1,
One or more in EICOSANOL-1；
Described dispersant can be lignosulfonates, alkylnaphthalene sulfonate formaldehyde condensation products, nekal, polyethylene
One or more in alcohol, Radix Acaciae senegalis, oleic acid methylaminoethyl sodium sulfonate；
Described stabilizer can be epichlorohydrin, butyl glycidyl ether, phenyl glycidyl ether, tolyl shrink
One or more in glycerin ether, polyethylene glycol diglycidyl ether, sodium sorbate；
Described defoamer can be one or more in isoamyl alcohol, isooctanol, lauric acid, stearic acid；
Described viscosifier can be xanthan gum, gelatin, arabic gum, aluminium-magnesium silicate, polyacrylate, natural polysaccharide, ton
One or more in glue, kieselguhr, bentonite；
Described density adjuster can be carbamide, NaCl, CaCl2In one or more；
Described pH adjusting agent can be the one in Borax, sodium hydroxide, sodium carbonate, disodium hydrogen phosphate, sodium bicarbonate or many
Kind；
Described antifreezing agent can be ethylene glycol, propylene glycol, Polyethylene Glycol, glycerol, ammonium sulfate, glycerol, NaCl, CaCl2
In one or more；
Described preservative can be sodium salicylate, sodium benzoate, 1,2-benzothiazoline-3-ketone, 2-xenol, para hydroxybenzene first
One or more in aldehyde, sorbic acid, benzoic acid, benzaldehyde；
Described carrier can be the one in kieselguhr, attapulgite, white carbon, bentonite, Talcum, pyrophyllite, clay or
Multiple；
Described wetting agent can be to pull open powder, sodium alkyl benzene sulfonate, sodium laurylsulfate, alkylsulfonate, dioctyl succinic acid
Ester sodium sulfonate, diisopropyl sodium naphthalene sulfonate, NPE, OPEO, tridecanol polyoxyethylene ether
In one or more.
Described penetrating agent can be sodium laurylsulfate, alkylsulfonate, dioctyl succinate sodium sulfonate, diisopropyl naphthalene sulphur
One or more in acid sodium, NPE, OPEO, tridecanol polyoxyethylene ether.
Present invention additionally comprises the application in preventing and treating agricultural weed of the above-mentioned compound herbicide.
Preferably, described compound herbicide is used for preventing and treating wheat paddock broad leaved weed, such as descurainia sophia (l.) webb ex prantl, Herba Capsellae, corn gromwell, wheat bottle
Grass, Herba Galii Teneri, Herba chenopodii, little Herba chenopodii, DAWANHUA, Herba seu Flos Convolvuli arvensis, lead a cow, field thistle, storage, Herba Abutili, Herba Xanthii, Fructus Kochiae, towards sky
Herba Potentillae Chinensis, wallflower, grass, Lepidium sativum L., Herba veronicae, Herba Trigonotidis peduncularis, Herba Euphorbiae Helioscopiae etc..
It is furthermore preferred that described compound herbicide is for preventing and treating descurainia sophia (l.) webb ex prantl and the Herba Capsellae of wheat paddock.
In application of the present invention, the effective ingredient field rate of described compound herbicide is 10～200g/hm2, it is preferably
30～70g/hm2。
Described application process includes foliar spray, stem and leaf spraying before jointing after preferably winter wheat turns green.
Various raw materials and reagent used by the present invention are commercially available, can be readily available.The former medicine of such as tribenuron-methyl can be purchased from upper
Sea Du Pont agrochemical company limited, Loctofen can be purchased from Han Sheng biotech inc, Qingdao, acetone,
Chloroform can be purchased from Luoyang Hao Hua chemical reagent company limited, and calcium dodecyl benzene sulfonate can be purchased from Wanrong, Changzhou limited public affairs of chemical industry
Department.
The present invention has a following positive beneficial effect:
1, tribenuron-methyl and lactofen have obvious potentiation after compounding；
2, tribenuron-methyl is different with the lactofen mechanism of action, and compounding use can delay herbicide resistance；
3, quick-acting is good, rapid-action；
4, to people and animals' low toxicity.
Detailed description of the invention
Following example are used for illustrating the present invention, but are not limited to the scope of the present invention.In embodiment unreceipted concrete technology or
Condition person, according to the technology described by the document in this area or condition, or is carried out according to product description.Agents useful for same or
Instrument unreceipted production firm person, is the conventional products can being commercially available by regular distributor.If no special instructions, this
Percentage composition in bright all embodiments and experimental example refers both to weight percentage.
(1) example of formulations
Embodiment 1:34% tribenuron-methyl lactofen suspended emulsion
Raw material and consumption: tribenuron-methyl 2%, lactofen 32%, isopropanol 15%, calcium dodecyl benzene sulfonate 4.5%, wood
Mahogany sulfonate 2%, xanthan gum 0.5%, isoamyl alcohol 0.5%, ethylene glycol 5%, sodium benzoate 0.5%, Borax 0.5%, hydrogen-oxygen
Change sodium 0.024%, deionized water supplies surplus.
By lignosulfonates, xanthan gum, isoamyl alcohol, ethylene glycol, sodium benzoate, Borax, sodium hydroxide, deionized water warp
High speed shear mix homogeneously, adds the former medicine of tribenuron-methyl, ball milling 2～3 hours in ball mill, make diameter of particle all 5 μm with
Under, mean diameter is less than 3 μm, prepares tribenuron-methyl suspending agent；By Loctofen, isopropanol, DBSA
After calcium mixing, with in the direct emulsifying of high speed agitator to suspending agent, prepare 34% tribenuron-methyl lactofen suspended emulsion.
Embodiment 2:40% tribenuron-methyl lactofen suspended emulsion
Raw material and consumption: tribenuron-methyl 4%, lactofen 36%, chloroform 17%, calcium dodecyl benzene sulfonate 4%, alkylnaphthalene
Sulfonate and formaldehyde condensation substance 2.5%, gelatin 0.5%, isooctanol 0.5%, propylene glycol 5%, sodium benzoate 0.5%, Borax 0.5%,
Sodium hydroxide 0.024%, deionized water supply surplus.
By alkylnaphthalene sulfonate formaldehyde condensation products, gelatin, isooctanol, propylene glycol, sodium benzoate, Borax, sodium hydroxide, go
Ionized water through high speed shear mix homogeneously, adds the former medicine of tribenuron-methyl, ball milling 2～3 hours in ball mill, makes diameter of particle whole
Below 5 μm, mean diameter is less than 3 μm, prepares tribenuron-methyl suspending agent；By Loctofen, chloroform, dodecyl
After the mixing of benzenesulfonic acid calcium, with in the direct emulsifying of high speed agitator to suspending agent, prepare 40% tribenuron-methyl lactofen and suspend newborn
Agent.
Embodiment 3:35% tribenuron-methyl lactofen suspended emulsion
Raw material and consumption: tribenuron-methyl 7%, lactofen 28%, dimethylbenzene 14%, octyl phenol polyoxyethylene poly-oxygen propylene aether
4%, nekal 3%, arabic gum 0.5%, lauric acid 0.5%, propylene glycol 5%, sodium salicylate 0.5%, Borax
0.5%, sodium hydroxide 0.024%, deionized water supply surplus.
By nekal, arabic gum, lauric acid, propylene glycol, sodium salicylate, Borax, sodium hydroxide, deionization
Water through high speed shear mix homogeneously, adds the former medicine of tribenuron-methyl, ball milling 2～3 hours in ball mill, makes diameter of particle all in 5 μm
Hereinafter, mean diameter is less than 3 μm, prepares tribenuron-methyl suspending agent；By Loctofen, dimethylbenzene, octyl phenol polyoxy second
After the mixing of alkene polyethenoxy ether, with in the direct emulsifying of high speed agitator to suspending agent, prepare 35% tribenuron-methyl lactofen and hang
Floating Emulsion.
Embodiment 4:24% tribenuron-methyl lactofen microemulsion
Raw material and consumption: tribenuron-methyl 2%, lactofen 22%, acetone 10%, chloroform 10%, calcium dodecyl benzene sulfonate
7%, benzylbiphenyl phenol polyethenoxy ether 8%, Borax 0.5%, sodium hydroxide 0.024%, butyl glycidyl ether 1%, poly-second
Glycol 5%, deionized water supply surplus.
By former for tribenuron-methyl medicine, Loctofen, acetone, chloroform, calcium dodecyl benzene sulfonate, benzylbiphenyl phenol polyoxy second
Alkene ether, butyl glycidyl ether, Polyethylene Glycol are sufficiently mixed the most transparent oil phase；By deionized water, Borax, hydroxide
Sodium is sufficiently mixed the most transparent aqueous phase；Under agitation aqueous phase is slowly added into oil phase, then agitating heating, is cooled to room temperature
Rear filtration, prepares 24% tribenuron-methyl lactofen microemulsion.
Embodiment 5:18% tribenuron-methyl lactofen microemulsion
Raw material and consumption: tribenuron-methyl 3%, lactofen 15%, acetonitrile 4%, isopropanol 10%, C15Alkylsurfuric acid sodium salt
8%, phenethyl phenol polyethenoxy polyethenoxy ether 8%, Borax 0.5%, sodium hydroxide 0.024%, epichlorohydrin 1.5%,
Glycerol 5%, deionized water supply surplus.
By former for tribenuron-methyl medicine, Loctofen, acetonitrile, isopropanol, C15Alkylsurfuric acid sodium salt, phenethyl phenol polyethenoxy
Polyethenoxy ether, epichlorohydrin, glycerol are sufficiently mixed the most transparent oil phase；By deionized water, Borax,
Sodium hydroxide is sufficiently mixed the most transparent aqueous phase；Under agitation aqueous phase is slowly added into oil phase, then agitating heating, cooling
Filter to room temperature, prepare 18% tribenuron-methyl lactofen microemulsion.
Embodiment 6:35% tribenuron-methyl lactofen microemulsion
Raw material and consumption: tribenuron-methyl 7%, lactofen 28%, acetone 10%, chloroform 20%, calcium dodecyl benzene sulfonate
8%, benzylbiphenyl phenol polyethenoxy ether 8%, Borax 0.5%, sodium hydroxide 0.024%, epichlorohydrin 1.5%,
Glycerol 5%, deionized water supply surplus.
By former for tribenuron-methyl medicine, Loctofen, acetone, chloroform, calcium dodecyl benzene sulfonate, benzylbiphenyl phenol polyoxy second
Alkene ether, epichlorohydrin, glycerol are sufficiently mixed the most transparent oil phase；By deionized water, Borax, hydroxide
Sodium is sufficiently mixed the most transparent aqueous phase；Under agitation aqueous phase is slowly added into oil phase, then agitating heating, is cooled to room temperature
Rear filtration, prepares 35% tribenuron-methyl lactofen microemulsion.
Embodiment 7:28% tribenuron-methyl lactofen aqueous emulsion
Raw material and consumption: tribenuron-methyl 2%, lactofen 26%, acetonitrile 3%, dimethylbenzene 15%, oxirane-epoxy third
Alkane block copolymer 8%, Radix Acaciae senegalis 3%, isobutanol 2%, ammonium sulfate 3%, lauric acid 1%, 2-xenol 0.5%,
Borax 0.5%, sodium hydroxide 0.024%, carbamide 1%, xanthan 0.5%, deionized water supply surplus.
By former for tribenuron-methyl medicine, Loctofen, acetonitrile, dimethylbenzene, ethylene oxide-propylene oxide block copolymer, isobutyl
Alcohol, Radix Acaciae senegalis, lauric acid, xanthan are sufficiently mixed, and make to be dissolved into homogeneous oil phase.By deionized water, ammonium sulfate, 2-
Xenol, Borax, sodium hydroxide, carbamide are sufficiently mixed into homogeneous aqueous phase.Under high velocity agitation, aqueous phase is added oil phase,
Prepare 28% tribenuron-methyl lactofen aqueous emulsion.
Embodiment 8:32% tribenuron-methyl lactofen aqueous emulsion
Raw material and consumption: tribenuron-methyl 4%, lactofen 28%, acetonitrile 5%, chloroform 15%, ethoxyquin alkyl phenylate 7%,
Polyvinyl alcohol 2.5%, isobutanol 2%, propylene glycol 3.5%, isooctanol 1%, hydroxy benzaldehyde 1%, Borax 0.5%, hydrogen
Sodium oxide 0.024%, NaCl 0.5%, polyacrylate 0.5%, deionized water supply surplus.
By former for tribenuron-methyl medicine, Loctofen, acetonitrile, chloroform, ethoxyquin alkyl phenylate, isobutanol, polyvinyl alcohol,
Isooctanol, polyacrylate are sufficiently mixed, and make to be dissolved into homogeneous oil phase.By deionized water, propylene glycol, hydroxy benzaldehyde,
Borax, sodium hydroxide, NaCl are sufficiently mixed into homogeneous aqueous phase.Under high velocity agitation, aqueous phase is added oil phase, prepare 32% benzene
Sulphur grand lactofen aqueous emulsion.
Embodiment 9:35% tribenuron-methyl lactofen aqueous emulsion
Raw material and consumption: tribenuron-methyl 7%, lactofen 28%, acetonitrile 5%, chloroform 15%, epoxy ethane-epoxy propane
Block copolymer 8%, polyvinyl alcohol 2.5%, butanol 1.5%, propylene glycol 3.5%, isooctanol 1%, hydroxy benzaldehyde 1%,
Borax 0.5%, sodium hydroxide 0.024%, carbamide 1%, polyacrylate 0.5%, deionized water supply surplus.
By former for tribenuron-methyl medicine, Loctofen, acetonitrile, chloroform, ethylene oxide-propylene oxide block copolymer, butanol,
Polyvinyl alcohol, isooctanol, polyacrylate are sufficiently mixed, and make to be dissolved into homogeneous oil phase.By deionized water, propylene glycol, to hydroxyl
Benzaldehyde, Borax, sodium hydroxide, carbamide are sufficiently mixed into homogeneous aqueous phase.Under high velocity agitation, aqueous phase is added oil phase,
Prepare 35% tribenuron-methyl lactofen aqueous emulsion.
Embodiment 10:15% tribenuron-methyl lactofen aqueous emulsion
Raw material and consumption: tribenuron-methyl 5%, lactofen 10%, acetone 7%, chloroform 9%, calcium dodecyl benzene sulfonate 8.5%,
Polyvinyl alcohol 2%, butanol 1.5%, glycerol 2%, isoamyl alcohol 1%, 1,2-benzothiazoline-3-ketone 1%, Borax 0.5%, hydrogen
Sodium oxide 0.024%, carbamide 1%, polyacrylate 0.5%, deionized water supply surplus.
By former for tribenuron-methyl medicine, Loctofen, acetone, chloroform, calcium dodecyl benzene sulfonate, butanol, polyvinyl alcohol,
Isoamyl alcohol, polyacrylate are sufficiently mixed, and make to be dissolved into homogeneous oil phase.By deionized water, glycerol, 1,2-benzothiazoline-3-
Ketone, Borax, sodium hydroxide, carbamide are sufficiently mixed into homogeneous aqueous phase.Under high velocity agitation, aqueous phase is added oil phase, prepare 15%
Tribenuron-methyl lactofen aqueous emulsion.
(2) indoor biometrics experimental example
The indoor biometrics experimental example of the present invention is according to " farm-chemical indoor determination test rule herbicide the 7th part: the connection of mixture
Cooperation measures (NY/T 1155.7 2006) " carry out, by indoor bioassay, clear and definite two kinds of medicaments are multiple by a certain percentage
Synergy to weeds after joining.Test method is as follows:
Accurately weigh 95% tribenuron-methyl former medicine 4.2105g, be dissolved in 100mL acetone, make the tribenuron-methyl that concentration is 40g/L female
Liquid.Accurately weigh 95% Loctofen 10.5263g, be dissolved in 100mL chloroform, make the breast that concentration is 100g/L
Fluorine diclofop-methyl mother solution.During test, take appropriate tribenuron-methyl mother solution, lactofen mother solution respectively, with the POLYSORBATE 80 of appropriate 0.1%
Aqueous solution dilutes, and makes for reagent liquid.
Use pot experiment method, be wheat paddock main broad leaved weed descurainia sophia (l.) webb ex prantl, Herba Capsellae for examination target.In heliogreenhouse, select
Diameter 12cm, the plastic tub alms bowl nursery of high 11cm, final singling before dispenser, every basin retains weeds 10 strain of uniformity.Weeds
3～4 leaf phase stem and leaf spraying treatments, often process and are repeated 4 times, amount of liquid medicine 450L/hm2.14d after medicine, weighs every basin weeds fresh weight,
Calculate each process actual preventive effect E:
In formula: PT chemicals treatment group weeds fresh weight；
CK blank group weeds fresh weight.
Employing Gowing method evaluates the synergy after two kinds of medicaments compound by a certain percentage to weeds, the theoretical preventive effect after compounding
E0Computing formula is:
In formula: X herbicide A consumption is preventive effect during P；
Y herbicide B consumption is preventive effect during Q；
E0Herbicide A consumption is P, herbicide B consumption is the theoretical preventive effect after Q uses with；
E herbicide A consumption is P, herbicide B consumption is the actual preventive effect after Q uses with.
E–E0＞ 10% is potentiation；E–E0＜ 10% is antagonism；10% ＜ E E0＜ 10% is summation action.
Indoor biometrics experimental example 1:
Being descurainia sophia (l.) webb ex prantl for examination target, each process dosing and preventive effect are shown in Table 1.Raw result of the test of surveying shows: tribenuron-methyl and breast fluorine
Diclofop-methyl proportioning in the range of 1:1～20, E E0Value is 25.63～38.23, shows the two mixture in the range of 1:1～20, all
There is obvious potentiation.Tribenuron-methyl and lactofen proportioning in the range of 1:1～10, E E0Value is 29.94～38.23,
Showing the two mixture in the range of 1:1～10, potentiation becomes apparent from.Tribenuron-methyl and lactofen proportioning are in 1:1～5 scopes
In, E E0Value is 32.07～38.23, shows the two mixture in the range of 1:1～5, and potentiation is the most obvious.
Descurainia sophia (l.) webb ex prantl is given birth to survey result of the test by table 1 tribenuron-methyl and lactofen different ratio
Indoor biometrics experimental example 2:
Being Herba Capsellae for examination target, each process dosing and preventive effect are shown in Table 2.Raw result of the test of surveying shows: tribenuron-methyl and breast fluorine standing grain
Grass spirit proportioning in the range of 1:1～20, E E0Value is 32.66～43.61, shows the two mixture in the range of 1:1～20, all has
Significantly potentiation.Tribenuron-methyl and lactofen proportioning in the range of 1:1～10, E E0Value is 37.29～43.61, table
The two mixture in the range of 1:1～10 bright, potentiation becomes apparent from.Tribenuron-methyl and lactofen proportioning in the range of 1:1～5,
E–E0Value is 40.09～43.61, shows the two mixture in the range of 1:1～5, and potentiation is the most obvious.
Survey result of the test given birth to by Herba Capsellae by table 2 tribenuron-methyl and lactofen different ratio
(3) field control effectiveness test experimental example
The field control effectiveness test embodiment of the present invention is according to " pesticide field efficacy medicine test criterion (one) herbicide preventing and treating wheat crops
Ground weeds (GB/T 17980.41-2000) " carry out, by field plot trial, verify indoor biometrics result of the test, the brightest
Field control effect to weeds after true two kinds of medicaments are compounding by a certain percentage.Test method is as follows:
Winter wheat turn green after stem and leaf spraying treatment, amount of liquid medicine 450L/hm before jointing2, often process and be repeated 4 times, plot area 25
, random district group arranges.30d investigation after medicine, 4 sampling points, every some 1m are randomly drawed in every community2, investigate respectively every kind miscellaneous
The fresh weight of grass, calculates each process preventive effect E:
In formula: PT chemicals treatment district weeds fresh weight；
CK blank district weeds fresh weight.
Test is carried out in Jiao Zhuan village of Lian Chi district, Baoding, Hebei province, is the wheat paddock broad leaved weed such as descurainia sophia (l.) webb ex prantl, Herba Capsellae for examination target,
Each process dosing and preventive effect are shown in Table 3.Field control effectiveness test result shows: compound herbicide of the present invention, is effectively becoming
Demultiplexing amount is used alone under dosage less than lactofen, and the preventive effect to descurainia sophia (l.) webb ex prantl is 91.36%～99.37%, the preventive effect to Herba Capsellae
Being 90.08%～99.13%, total preventive effect is 89.87%～99.87%, is all remarkably higher than preventive effect when two kinds of medicaments are used alone, table
Bright tribenuron-methyl and lactofen compound use and have obvious potentiation, and can effectively control wheat paddock broad leaved weed.Excellent
Choosing, when tribenuron-methyl and lactofen weight ratio are 1:4, the preventive effect to descurainia sophia (l.) webb ex prantl is 95.25%～99.37%, to Herba Capsellae
Preventive effect be 94.05%～99.13%, total preventive effect is 95.09%～99.87%, and preventive effect is better than other proportioning.It is furthermore preferred that work as benzene
Sulphur is grand and lactofen weight ratio is 1:4, and when being prepared as suspended emulsion, the preventive effect to descurainia sophia (l.) webb ex prantl is 99.37%, to Herba Capsellae
Preventive effect be 99.13%, total preventive effect is 99.87%, and preventive effect is best.Additionally, compound herbicide of the present invention, it is right also to have
The advantages such as crop safety, quick-acting are good, are a kind of preferably herbicides.
Table 3 tribenuron-methyl and lactofen compound the field control effectiveness test result using preventing and treating wheat paddock broad leaved weed
Although, the present invention is described in detail the most with a general description of the specific embodiments, but in the present invention
On the basis of, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore, not
Deviate these modifications or improvements on the basis of spirit of the present invention, belong to the scope of protection of present invention.
Claims (10)
1. one kind contains tribenuron-methyl and the compound herbicide of lactofen, it is characterised in that described herbicide is with tribenuron-methyl and breast fluorine
Diclofop-methyl is principle active component；The weight ratio of wherein said tribenuron-methyl and lactofen is 1:1-20.
Compound herbicide the most according to claim 1, it is characterised in that described tribenuron-methyl and the weight ratio of lactofen
For 1:1-10, preferably 1:1-5；More preferably 1:4.
Compound herbicide the most according to claim 1 and 2, it is characterised in that described tribenuron-methyl and lactofen account for institute
State the 5%～80% of compound herbicide gross weight, preferably 20%～50%.
4. according to the compound herbicide described in any one of claim 1-3, it is characterised in that described compound herbicide is to be prepared as
Acceptable dosage form on pesticide；Preferably, described dosage form selected from suspended emulsion, microemulsion, aqueous emulsion, cream, oil-suspending agent,
Suspending agent, wettable powder, soluble powder, dry suspending agent, granule, water dispersible granules, powder, oil preparation or microcapsule suspension
Agent.
Compound herbicide the most according to claim 1 and 2, it is characterised in that described compound herbicide is suspended emulsion,
Comprise the component of following weight content: tribenuron-methyl 1%～50%, lactofen 5%～50%, solvent 10%～50%, emulsifying agent
1%～5%, dispersant 0.1%～5%, viscosifier 0.1%～5%, defoamer 0.1%～3%, antifreezing agent 2%～10%, preservative
0.1%～1%, pH adjusting agent 0.1%～5%, deionized water supply surplus；
Preferably comprise the component of following weight content: tribenuron-methyl 2%～7%, lactofen 28%～36%, solvent 14%～17%,
Emulsifying agent 4%～4.5%, dispersant 2%～3%, viscosifier 0.5%, defoamer 0.5%, antifreezing agent 5%, preservative 0.5%,
PH adjusting agent 0.524%, deionized water supply surplus；Wherein solvent is isopropanol, chloroform or dimethylbenzene, and emulsifying agent is 12
Alkyl benzene calcium sulfonate or octyl phenol polyoxyethylene poly-oxygen propylene aether, dispersant is lignosulfonates, the contracting of alkylnaphthalene sulfonate formaldehyde
Compound or nekal, viscosifier are xanthan gum, gelatin or arabic gum, and defoamer is isoamyl alcohol, isooctanol or the moon
Cinnamic acid, antifreezing agent is ethylene glycol or propylene glycol, and preservative is sodium salicylate or sodium benzoate, and pH adjusting agent is Borax, hydroxide
Sodium.
Compound herbicide the most according to claim 1 and 2, it is characterised in that described compound herbicide is microemulsion, bag
Component containing following weight content: tribenuron-methyl 1%～50%, lactofen 5%～50%, solvent 5%～50%, emulsifying agent
10%～20%, pH adjusting agent 0.1%～5%, stabilizer 0.5%～3%, antifreezing agent 5%～10%, deionized water supply surplus；
Preferably comprise the component of following weight content: tribenuron-methyl 2%～7%, lactofen 15%～28%, solvent 14%～30%,
Emulsifying agent 15%～16%, pH adjusting agent 0.524%, stabilizer 1%～1.5%, antifreezing agent 5%, deionized water supply surplus；
Wherein solvent be acetone, chloroform, or solvent be acetonitrile, isopropanol, emulsifying agent is calcium dodecyl benzene sulfonate, benzylbiphenyl
Phenol polyethenoxy ether, or emulsifying agent is C15Alkylsurfuric acid sodium salt, phenethyl phenol polyethenoxy polyethenoxy ether, pH adjusting agent
For Borax, sodium hydroxide, stabilizer is butyl glycidyl ether, the chloro-1,2 epoxy prapane of 3-, antifreezing agent be Polyethylene Glycol, third
Triol.
Compound herbicide the most according to claim 1 and 2, it is characterised in that described compound herbicide is aqueous emulsion, bag
Component containing following weight content: tribenuron-methyl 1%～50%, lactofen 5%～50%, solvent 5%～20%, emulsifying agent
3%～10%, dispersant 0.1%～5%, co-emulsifier 0.2%～5%, antifreezing agent 2%～10%, defoamer 0.1%～3%, anticorrosion
Agent 0%～1%, pH adjusting agent 0.1%～5%, density adjuster 0%～5%, viscosifier 0.1%～5%, deionized water are supplied remaining
Amount；
Preferably comprise the component of following weight content: tribenuron-methyl 2%～7%, lactofen 10%～28%, solvent 16%～20%,
Emulsifying agent 7%～8.5%, dispersant 2%～3%, co-emulsifier 1.5%～2%, antifreezing agent 2%～3.5%, defoamer 1%, anti-
Rotten agent 0.5%～1%, pH adjusting agent 0.524%, density adjuster 0.5%～1%, viscosifier 0.5%, deionized water supply surplus；
Wherein solvent be acetonitrile, dimethylbenzene, or solvent be acetonitrile, chloroform, or solvent be acetone, chloroform, emulsifying agent is epoxy
Oxide-propylene oxide block copolymer, ethoxyquin alkyl phenylate or calcium dodecyl benzene sulfonate, dispersant is Radix Acaciae senegalis or poly-
Vinyl alcohol, co-emulsifier is isobutanol or butanol, and antifreezing agent is ammonium sulfate, propylene glycol or glycerol, and defoamer is lauric acid, different
Capryl alcohol or isoamyl alcohol, preservative is 2-xenol, hydroxy benzaldehyde or 1,2-[4-morpholinodithio quinoline-3-ketone, and pH adjusting agent is boron
Sand, sodium hydroxide, density adjuster is carbamide or NaCl, and viscosifier are xanthan or polyacrylate.
8. the application in preventing and treating agricultural weed of the compound herbicide described in any one of claim 1-7.
Application the most according to claim 8, it is characterised in that described compound herbicide is used for preventing and treating wheat paddock broad leaved weed；
Described weeds include descurainia sophia (l.) webb ex prantl, Herba Capsellae, corn gromwell, Herba Silenes conoideae, Herba Galii Teneri, Herba chenopodii, little Herba chenopodii, DAWANHUA, Herba seu Flos Convolvuli arvensis, lead a cow,
Field thistle, storage, Herba Abutili, Herba Xanthii, Fructus Kochiae, towards sky Herba Potentillae Chinensis, wallflower, grass, Lepidium sativum L., Herba veronicae, attached
Dish, Herba Euphorbiae Helioscopiae, preferably descurainia sophia (l.) webb ex prantl, Herba Capsellae.
Application the most according to claim 8 or claim 9, it is characterised in that the effective ingredient consumption of described compound herbicide is
10～200g/hm2, preferably 30～70g/hm2。
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1182535A (en) * | 1997-11-21 | 1998-05-27 | 宜兴市农业化学研究所 | Herbicide composition |
| DE19851854A1 (en) * | 1998-11-10 | 1999-04-15 | Novartis Ag | Synergistic herbicidal composition for selective weed control |
| CN1332608A (en) * | 1998-11-10 | 2002-01-23 | 辛根塔参与股份公司 | Herbicidal composition |
| CN1342406A (en) * | 2001-04-12 | 2002-04-03 | 江苏龙灯化学有限公司 | Composite herbicide with synergistic action for wheat field |
| CN1357234A (en) * | 2001-12-26 | 2002-07-10 | 安徽华星化工股份有限公司 | Herbicide composition for wheat field |
-
2016
- 2016-04-13 CN CN201610227126.1A patent/CN105875626B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1182535A (en) * | 1997-11-21 | 1998-05-27 | 宜兴市农业化学研究所 | Herbicide composition |
| DE19851854A1 (en) * | 1998-11-10 | 1999-04-15 | Novartis Ag | Synergistic herbicidal composition for selective weed control |
| CN1332608A (en) * | 1998-11-10 | 2002-01-23 | 辛根塔参与股份公司 | Herbicidal composition |
| CN1342406A (en) * | 2001-04-12 | 2002-04-03 | 江苏龙灯化学有限公司 | Composite herbicide with synergistic action for wheat field |
| CN1357234A (en) * | 2001-12-26 | 2002-07-10 | 安徽华星化工股份有限公司 | Herbicide composition for wheat field |
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