CN110367270A - A kind of Herbicidal combinations and its application containing prosulfocarb, diflufenican and flufenacet - Google Patents
A kind of Herbicidal combinations and its application containing prosulfocarb, diflufenican and flufenacet Download PDFInfo
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- CN110367270A CN110367270A CN201910620012.7A CN201910620012A CN110367270A CN 110367270 A CN110367270 A CN 110367270A CN 201910620012 A CN201910620012 A CN 201910620012A CN 110367270 A CN110367270 A CN 110367270A
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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
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
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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
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
- A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
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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
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/82—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with three ring hetero atoms
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- 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
- A01N47/10—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
- A01N47/12—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing a —O—CO—N< group, or a thio analogue thereof, neither directly attached to a ring nor the nitrogen atom being a member of a heterocyclic ring
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Abstract
The invention discloses a kind of Herbicidal combinations containing prosulfocarb, diflufenican and flufenacet, effective component is prosulfocarb, diflufenican and flufenacet, and the mass ratio of prosulfocarb, diflufenican and flufenacet is 1 ~ 40:1 ~ 20:1 ~ 40 in Herbicidal combinations；The mass percentage of effective component is 1 ~ 50% in Herbicidal combinations；Herbicidal combinations of the invention utilize the different role mechanism of three kinds of active principles, apparent synergistic effect is shown in certain ratio range, it is significantly improved using the control efficiency of composition than single preparation and double preparations, reduce the dosage of pesticide, reduce times for spraying, medication old is reduced, reduces pesticide to the adverse effect of ecological environment；The combination of three kinds of components of herbicide of the invention expands herbicidal spectrum, and a drug can solve various weed problems, while compensating for that the dosage that single dose uses is more, the few defect of weeding type.
Description
Technical field
It is specifically a kind of containing prosulfocarb, diflufenican and flufenacet the present invention relates to herbicide technology field
Herbicidal combinations and its application.
Background technique
China is the big country of wheat planting area, while being also maximum wheat consumption state in the world, as China second
Generalized grain crop, wheat occupy an important position in terms of the diet of Chinese, have plantation in the south of China and the north
The history of wheat includes mainly spring wheat and winter wheat, and wherein the cultivated area of winter wheat accounts for 80% or more of the wheat gross area.
Wheat weeds harm is always the severe problem of a comparison, has seriously affected the high yield and stable yields of China's wheat paddock.Row at present
The careless means of effective control or chemical weed control, the use of herbicide is also the one of the important signs that of agricultural modernization.Winter wheat
Gramineae weed mainly have herba bromi japonici, big fringe amur foxtail and annual bluegrass etc., broadleaf weeds is mainly Herba Galii Teneri, Veronica, broadcasts ma
Wormwood artemisia, field thistle, shepherd's purse etc..The means of preventing and kill off of wheat paddock weeding at present often apply different herbicide product in different times
Kind, based on cauline leaf spraying treatment, this kind of herbicide must use just effectively after weed germination for common weeding for wheat agent, and
And it is difficult to ensure that a drug can control the weeds in wheat paddock well, need repeatedly to be administered；On the other hand, some single
The large area of herbicide kind is using many resistant weeds are also produced, such as Alopecurus, Wang grass, herba bromi japonici, Descurainia sophia, shepherd's purse
Deng, while increasing drug cost, since weeds are many kinds of, single variety herbicide be difficult to effectively control wheatland in it is each
Kind weeds.
Soil closes herbicide in wheat paddock using relatively fewer, and limiting factor is more, to the more demanding of environment,
The reasons such as preventive effect difference make wheat paddock soil close weeding after spraying the extreme weathers such as rear rainfall ponding and weeds emergence
Agent using less, therefore the first use of exploratory development wheat paddock and keep in wheat entire breeding time without the safe and efficient of grass
Herbicide is just particularly important.
Summary of the invention
Poor to solve single herbicide using effect, first use is difficult to effectively control weeds in wheat entire breeding time
Problem, the object of the present invention is to provide a kind of Herbicidal combinations containing prosulfocarb, diflufenican and flufenacet and its applications.
The present invention to achieve the above object, is achieved through the following technical solutions:
A kind of Herbicidal combinations containing prosulfocarb, diflufenican and flufenacet, effective component are prosulfocarb, pyrrole fluorine acyl
Careless amine and flufenacet, the mass ratio of prosulfocarb, diflufenican and flufenacet is 1~40:1~20:1 in Herbicidal combinations
~40；The mass percentage of effective component is 1~50% in Herbicidal combinations.
Preferably, the mass ratio of prosulfocarb, diflufenican and flufenacet is 5~20:5~10:5 in Herbicidal combinations
~20.
Preferably, the mass percentage of effective component is 20~40% in Herbicidal combinations.
Preferred dosage form is suspending agent, water dispersible granules, aqueous suspension agent or missible oil.
Preferably, further include in Herbicidal combinations in wetting agent, dispersing agent, thickener, stabilizer and antifreezing agent at least
Two kinds.
It is further preferred that the wetting agent is that neopelex, sodium dodecyl benzene sulfonate, succinic acid two are pungent
One of ester sodium sulfonate, nekal are a variety of；
The dispersing agent is selected from castor oil polyoxyethylene ether, sodium lignin sulfonate, calcium lignosulfonate, dodecyl polyoxy
One of ethylene ether phosphate, dodecyl polyoxyethylene ether sulfuric ester, polyaryl phenol polyethenoxy phosphate are a variety of；
It is described selected from sodium hydroxyethyl cellulose, methylcellulose, Sodium Polyacrylate, polyvinyl alcohol, soluble starch and its
One of derivative, Arabic gum, gelatin, guar gum, alginic acid, agar, tall oil are a variety of；
The stabilizer is one of calcium silicates, white carbon black, diatomite, crushed crude pearlite, talcum powder or a variety of；
The antifreezing agent is one of ethylene glycol, propylene glycol, glycerine, sorbierite or a variety of.
Preferably, Herbicidal combinations are grouped as by the group of following weight percentage: prosulfocarb 10%, diflufenican
5%, flufenacet 10%, neopelex 0.5%, polyoxyalkyl ether class 6%, succinic acid salt emulsifier 3%, first
Base cellulose 0.5%, diatomite 0.5%, antifreezing agent propylene glycol 4%, deionized water are supplied.
Preferably, it is grouped as by the group of following weight percentage: prosulfocarb 11%, diflufenican 5.5%, fluorine thiophene grass
Amine 11%, neopelex 0.5%, castor oil polyoxyethylene ether 20%, methylcellulose 2%, succinic acid Barbiturates
Emulsifier 10%, vegetable oil 30%, diatomite 0.5%, antifreezing agent propylene glycol 4%, deionized water are supplied.
The invention also includes the applications of the Herbicidal combinations containing prosulfocarb, diflufenican and flufenacet, for preventing and kill off
Wheat paddock gramineae weed and broadleaf weeds.
The present invention has the advantage that compared with prior art
Herbicidal combinations containing prosulfocarb, diflufenican and flufenacet of the invention utilize three kinds of active principles not
Same-action mechanism shows apparent synergistic effect in certain ratio range, using the control efficiency of composition than single system
Agent and double preparations are significantly improved, and reduce the dosage of pesticide, reduce times for spraying, it is old to reduce medication
This, reduces pesticide to the adverse effect of ecological environment；The combination of three kinds of components of herbicide of the invention, expands weeding
Spectrum, a drug can solve various weed problems, while compensate for that the dosage that single dose uses is more, the few defect of weeding type；
Herbicidal composition of the invention, effective component mechanism of action is different, and long-term single use can be overcome to hold
It is also easy to produce the defect of resistance, extends the service life of medicament, to the comprehensive treatment important in inhibiting of Weed Resistance；Of the invention
Herbicidal composition is particularly suitable as wheat paddock soil closing herbicide, and drug effect plays rapidly, and the duration is long, use cost
Low, easy to use, time saving and energy saving, popularization and use have huge economic benefit and social benefit.
Specific embodiment
The object of the present invention is to provide a kind of Herbicidal combinations containing prosulfocarb, diflufenican and flufenacet and its answer
With being achieved through the following technical solutions:
Herbicidal combinations of the invention be any dosage form pesticide-acceptable, as wettable powder, water dispersible granules,
Suspending agent (aqueous suspension agent or oil-suspending agent), microemulsion, finish, missible oil or aqueous emulsion etc., various dosage forms are according to prior art
It is prepared.
Herbicidal combinations of the invention are other than containing three kinds of prosulfocarb, diflufenican and flufenacet active principles, also
Comprising other auxiliary materials, such as wetting agent, dispersing agent, stabilizer, thickener, antifreezing agent, suspension stabilizer, defoaming agent, preservative, collapse
Solve agent, solvent and filler etc..
The wetting agent is neopelex, sodium dodecyl benzene sulfonate, dioctyl sodium sulfosuccinate, two fourths
One of base sodium naphthalene sulfonate is a variety of；
It is poly- that the dispersing agent is selected from castor oil polyoxyethylene ether, sodium lignin sulfonate, calcium lignosulfonate, dodecyl
One of ethylene oxide ether phosphate, dodecyl polyoxyethylene ether sulfuric ester, polyaryl phenol polyethenoxy phosphate are a variety of；
The stabilizer is one or both of calcium silicates, white carbon black, diatomite, crushed crude pearlite, talcum powder；The thickener is hydroxyl
It is ethyl cellulose sodium, methylcellulose, Sodium Polyacrylate, polyvinyl alcohol, soluble starch and its derivative, Arabic gum, bright
One or more of glue, guar gum, alginic acid, agar, tall oil；The antifreezing agent is ethylene glycol, propylene glycol, glycerine, mountain
One or more of pears alcohol；The suspension stabilizer is aluminum magnesium silicate or precipitated calcium carbonate；The defoaming agent is polyglycereol
One or more of defoaming agent, fatty acid defoaming agent, organic silicon defoamer.The disintegrating agent be urea, ammonium sulfate, starch,
One or more of starch derivatives；The solvent is water, methyl oleate soybean oil, white oil, turpentine oil, the advanced rouge of methyl naphthalene
One or more of fat hydrocarbon ils；The filler is kaolin, in white carbon black, cornstarch, diatomite, sodium sulphate, ammonium sulfate
One or more.
Herbicidal combinations of the invention are for preventing and kill off wheat paddock gramineae weed and broadleaf weeds, and specifically the period of preventing and kill off is
Before emerging after wheat cultivation, application method is usually pesticide-clay mixture method, the fertile method of poison or spray-on process, can also be used as needed agriculturally
The other methods of application.
Below in conjunction with specific embodiment, the invention will be further described.
The weight percent of 1 20% prosulfocarb diflufenican flufenacet missible oil of embodiment, component and component contains
It measures as follows:
Prosulfocarb 8%, diflufenican 8%, flufenacet 4%, neopelex 15%, solvent naphtha 30%,
Diatomite 0.5%, propylene glycol 4%, deionized water are supplied.Missible oil product of the invention is made according to conventional formulation method.
2 25% prosulfocarb diflufenican flufenacet suspending agent of embodiment, the weight percent of component and component
Content is as follows:
Prosulfocarb 10%, diflufenican 8%, flufenacet 7%, neopelex 0.5%, polyoxyalkyl ether
Class 4%, methylcellulose 0.5%, succinic acid salt emulsifier 1%, diatomite 0.5%, propylene glycol 4%, deionized water are supplied.
Suspending agent product of the invention is made according to conventional formulation method.
3 25% prosulfocarb diflufenican flufenacet suspending agent of embodiment, the weight percent of component and component
Content is as follows:
Prosulfocarb 10%, diflufenican 5%, flufenacet 10%, neopelex 0.5%, polyoxy alkyl
Ethers 6%, succinic acid salt emulsifier 3%, methylcellulose 0.5%, diatomite 0.5%, propylene glycol 4%, deionized water are mended
Foot.Suspending agent product of the invention is made according to conventional formulation method.
4 30% prosulfocarb diflufenican flufenacet suspending agent of embodiment, the weight percent of component and component
Content is as follows:
Prosulfocarb 15%, diflufenican 5%, flufenacet 10%, neopelex 0.5%, castor oil are poly-
Ethylene oxide ether 15%, methylcellulose 2%, carboxylic acid Barbiturates emulsifier 5%, vegetable oil 30%, diatomite 0.5%, propylene glycol
4%, deionized water is supplied.Suspending agent product of the invention is made according to conventional formulation method.
5 27.5% prosulfocarb diflufenican flufenacet suspending agent of embodiment, the weight percent of component and component
It is as follows than content:
Prosulfocarb 11%, diflufenican 5.5%, flufenacet 11%, neopelex 0.5%, castor oil
Polyoxyethylene ether 20%, methylcellulose 2%, succinic acid Barbiturates emulsifier 10%, vegetable oil 30%, diatomite 0.5%, third
Glycol 4%, deionized water are supplied.Suspending agent product of the invention is made according to conventional formulation method.
6 35% prosulfocarb diflufenican flufenacet oil of embodiment suspends, the weight percent of component and component
Content is as follows:
Prosulfocarb 15%, diflufenican 5%, flufenacet 15%, neopelex 0.5%, castor oil are poly-
Ethylene oxide ether 12%, methylcellulose 3%, Polyoxometalate class emulsifier 4%, vegetable oil 20%, diatomite 0.5%, propylene glycol
4%, deionized water is supplied.Oil-suspending agent product of the invention is made according to conventional formulation method.
7 37.5% prosulfocarb diflufenican flufenacet suspending agent of embodiment, the weight percent of component and component
It is as follows than content:
Prosulfocarb 20%, diflufenican 7.5%, flufenacet 10%, neopelex 0.5%, polyoxy alkane
Base ethers 6%, succinic acid Barbiturates emulsifier 1%, methylcellulose 0.2%, diatomite 0.5%, propylene glycol 4%, deionization
Water is supplied.Suspending agent product of the invention is made according to conventional formulation method.
Embodiment 8
A kind of Herbicidal combinations containing prosulfocarb, diflufenican and flufenacet, in parts by weight, by following component group
At missible oil: 1 part of prosulfocarb, 1 part of diflufenican, 1 part of flufenacet, 2 parts of neopelex, 30 parts of solvent naphtha,
0.5 part of diatomite, 4.5 parts of propylene glycol, 260 parts of deionized water.Missible oil product of the invention is made according to conventional formulation method.
Embodiment 9
A kind of Herbicidal combinations containing prosulfocarb, diflufenican and flufenacet, in parts by weight, by following component group
At suspending agent: 4 parts of prosulfocarb, 2 parts of diflufenican, 4 parts of flufenacet, 0.5 part of neopelex, polyoxy alkyl
0.5 part of ethers, 0.5 part of succinic acid salt emulsifier, 0.5 part of diatomite, 8 parts of deionized water.According to conventional formulation method system
Obtain suspending agent product of the invention.
Embodiment 10
A kind of Herbicidal combinations containing prosulfocarb, diflufenican and flufenacet, in parts by weight, by following component group
At suspending agent: 1 part of prosulfocarb, 20 parts of diflufenican, 40 parts of flufenacet, 0.5 part of neopelex, polyoxy alkane
4.5 parts of base ethers, 2 parts of succinic acid salt emulsifier, 0.5 part of methylcellulose, 0.5 part of diatomite, 4 parts of propylene glycol, deionization
49 parts of water.
Embodiment 11
A kind of Herbicidal combinations containing prosulfocarb, diflufenican and flufenacet, in parts by weight, by following component group
At oil-suspending agent: 40 parts of prosulfocarb, 1 part of diflufenican, 1 part of flufenacet, 0.5 part of neopelex, castor-oil plant
15 parts of oily polyoxyethylene ether, 3 parts of methylcellulose, 10 parts of Polyoxometalate class emulsifier, 20 parts of vegetable oil, 0.5 part of diatomite, third
4 parts of glycol, 73 parts of deionized water.
Field control effectiveness test
Reagent agent: the herbicidal composition of Examples 1 to 7；
Comparison medicament:
1 80% prosulfocarb missible oil (being conventionally made) of comparative example；
2 50% diflufenican WDG (commercially available) of comparative example；
3 41% flufenacet SC (commercially available) of comparative example；
4 50% acetochlor ec (commercially available) of comparative example；
5 50% isoproturon wettable powder (commercially available) of comparative example；
33% fluorine thiophene pyrrole acyl furan suspending agent (commercially available) of positive control；
1) toxicity determination test
Test objective: prosulfocarb, diflufenican, flufenacet and different mixture combinations are to big at room temperature potting conditions
Fringe amur foxtail, alkali thatch, clearvers, Descurainia sophia herbicidal effect, and have rated its synergy.
Subjects: gramineae weed: big fringe amur foxtail (Alopecurus myosuroides H.), alkali thatch
(Puccinellia distans), broadleaf weeds: clearvers (Galium aparine L.), Descurainia sophia (Descurainia
Sophia S.)。
Reagent agent: 99% prosulfocarb raw medicine, 98% diflufenican raw medicine, 98% flufenacet raw medicine
Test apparatus: 3PWT-2000 type walking spray tower, electronic balance, volumetric flask, triangular flask, beaker, graduated cylinder, modeling
Expect alms bowl, pipette, ruler, scissors.
Test method: first weighing a certain amount of prosulfocarb, diflufenican and flufenacet raw medicine, and it is sufficiently molten that acetone is added
The Tween 80 aqueous solution of Xie Houyong 0.1% dilutes, and is configured to single dose mother liquor, and series proportion, Mei Gepei is arranged according to mixed purpose
It is stand-by than 5-7 concentration gradient of setting.Herbicide, PH6.8 were not applied in selection, and sieving is mixed with matrix 1:1 after soil is air-dried
It after conjunction, is packed into the plastic tub alms bowl of high 8cm, diameter 9cm, in a manner of the infiltrating irrigation of polypots bottom, keeps soil completely wet.Each
Polypots sows big fringe amur foxtail 30, alkali thatch 20, clearvers 15, Descurainia sophia 30 respectively, broadcasts rear fine earth cladding thickness
About 0.2cm.Potting soil spraying treatment method (NY/T 1156.3-2006) is used after sunning 1 day, is using indoor automatic control
System carries out reagent spray, by real area (1.1m2) spray solarization 50mL medical fluid (equivalent mu water consumption 30L), even spraying, each place
4 repetitions are managed, and the clear water without medicament is set and is compareed, is dried 1 day after spray and is put into 300m2Heliogreenhouse culture is mended daily
Fill water tariff collection ground moistening.
The big fringe amur foxtail of routine observation after medicine, clearvers, alkali thatch, Descurainia sophia emergence and emergence after seedling growth feelings
Condition.Big fringe amur foxtail, clearvers, alkali thatch, Descurainia sophia aerial part fresh weight are investigated within 40 days after medicine, calculates fresh weight inhibition rate i.e. to target
Mark the preventive effect of weeds.Prosulfocarb, diflufenican, flufenacet single dose and 5 are found out using DPS data processing system
The independent regression equation of Ternary agent calculates GR50、GR90Value and 95% confidence limit.Co-toxicity coefficient is calculated with Sun Peiyun method, altogether
Malicious coefficient, which is greater than 120, indicates synergistic effect, and antagonism is indicated less than 80, is expressed as summation action between 80-120.
Specific method is referring to NT/T1155.3-2006 farm-chemical indoor determination test rule herbicide third portion: activity
Measurement test soil is tested by spraying, and 4 repetitions per treatment, setting is free of the blank control of chemicals treatment.
Ternary built synergy evaluation method is removed referring to NT/T1155.7-2006 farm-chemical indoor determination test rule
Colby method in the synergy measurement of careless the 7th part mixture of agent.
Test result: observing after application, and diflufenican soil treatment is to the big fringe amur foxtail of the set 4 kinds of weeds of test, alkali
Thatch, clearvers and Descurainia sophia have good effect, wherein being slightly worse than other weeds to clearvers effect, emergence is that albefaction is withered
Effect is fine；Flufenacet soil treatment is excellent to big fringe amur foxtail, alkali thatch, Descurainia sophia effect, also preferable to clearvers effect,
Yellow inhibits growth after weeds are unearthed；Prosulfocarb soil treatment has preferably big fringe amur foxtail, alkali thatch, clearvers and Descurainia sophia
Effect, to clearvers inhibit growth result be better than diflufenican and flufenacet.Have complementary advantages after three's compounding, to grass
The big fringe amur foxtail of section weeds, alkali thatch and broadleaf weeds clearvers and Descurainia sophia have good effect.
40 days after medicine, 5 prosulfocarb, diflufenican and flufenacet Ternaries combine the fresh weight to big fringe amur foxtail
It significantly inhibits, the co-toxicity coefficient of 5 proportion mixtures is in addition to prosulfocarb, diflufenican, flufenacet are by 0:1:2
Outside 120, Ternary is both greater than 120, belongs to synergistic effect, as shown in table 1.
Function and effect table of the table 1 to big fringe amur foxtail
40 days after medicine, 5 prosulfocarb, diflufenican and flufenacet Ternary combinations have the fresh weight of alkali thatch bright
Aobvious inhibiting effect, the co-toxicity coefficients of 5 proportion mixtures by 0:1:2 are 105 in addition to prosulfocarb, diflufenican, flufenacet
Outside, Ternary is both greater than 120, belongs to synergistic effect, as shown in table 2.
Function and effect table of the table 2 to alkali thatch
40 days after medicine, 5 prosulfocarb, diflufenican and flufenacet Ternary combinations have the fresh weight of clearvers
The GR50 co-toxicity coefficient of apparent inhibiting effect, 5 proportion mixtures is all larger than 120, belongs to synergistic effect, so preventing and kill off pig calamity
Calamity, belongs to synergistic effect, as shown in table 3.
Function and effect table of the table 3 to Herba Galii Teneri
40 days after medicine, 5 prosulfocarb, diflufenican and flufenacet Ternary combinations have the fresh weight of Descurainia sophia
The co-toxicity coefficient of apparent inhibiting effect, 5 proportion mixtures is all larger than 120, belongs to synergistic effect, as shown in table 4.
Function and effect table of the table 4 to Descurainia sophia
The Ternary of prosulfocarb, diflufenican and flufenacet is to big fringe it can be seen from the result of 1~table of table 4
Amur foxtail, alkali thatch, Descurainia sophia, clearvers show as synergistic function.
2) outdoor active determination test
Prevent and treat crop: winter wheat；
Controlling object: herba bromi japonici, big fringe amur foxtail, amur foxtail, Veronica, shepherd's purse, Descurainia sophia；
According to the area of experimental plot, the good various medicaments of precise, and be watered dilution after (making up a prescription, it is secondary dilute to be all made of
Release), using knapsack sprayer, carry out even spraying, the dedicated Fan spray head of sprinkler selection herbicide.When spraying, it should be noted that
The phenomenon that medical fluid is uniformly sprayed in experimental plot, accomplishes no drain spray, more sprays.
Test one:
It tests and is carried out in the village Dong Sheng, Zouping County, Shandong Province winter wheat field, each group handles 4 repetitions, and processing area is
30m2；The medication administration mode that embodiment 1 to 7, comparative example 1-5, positive controls provide is soil spraying treatment.Record is applied
The growing state of wheat paddock after medicine, 30d counts preventive effect result after application.Test process, formulation rate and preventive effect the results are shown in Table 5.
Test two:
It tests and is carried out in Henan Province, the village Xi Li, the town Luohe City Deng Xiang winter wheat field, each group handles 4 repetitions, processing
Area is 30m2；The medication administration mode that embodiment 1 to 7, comparative example 1-5, positive controls provide is soil spraying treatment.
The growing state of wheat paddock after record application, 30d counts preventive effect result after application.Test process, formulation rate and preventive effect result are shown in
Table 6.
Test three:
It tests and is carried out in Hebei province, the village Yin Zhuan, Hengshui City Wuyi County winter wheat field, each group handles 4 repetitions, processing
Area is 30m2；The medication administration mode that embodiment 1 to 7, comparative example 1-5, positive controls provide is soil spraying treatment.
The growing state of wheat paddock after record application, 30d counts preventive effect result after application.Test process, formulation rate and preventive effect result are shown in
Table 7.
Preventive effect calculation formula are as follows:
Strain/check plot weeds strain number × 100 preventive effect (%)=(check plot weeds strain number-treatment region weeds strain number)；
Table 5 tests each group formulation rate of soil spraying treatment and preventive effect result before a weeds seedling
After closed soil treatment it can be seen from the result of table 5, and prosulfocarb, diflufenican, flufenacet single dose,
And wheat paddock is often compared with Seal treatment medicament isoproturon, Acetochlor, after prosulfocarb, diflufenican, flufenacet compounding
Herbicidal combinations used in wheat paddock and preparation herbicidal effect will be apparently higher than any one single dose in three components, and produce increasing
Effect effect, expands degrass spectrum.Compared with positive controls, Wheat field weeding composition pair that embodiment 1 to embodiment 7 provides
The difficult anti-weeds herba bromi japonici of wheat paddock, big fringe amur foxtail, Descurainia sophia, the preventive effect of shepherd's purse are quite even more excellent.Illustrate that the present invention mentions
For Wheat field weeding composition using safe, can effectively avoid phytotoxicity, be more suitably applied to eliminating weed in wheat field.
Table 6 tests each group formulation rate of soil spraying treatment and preventive effect result before two weeds seedlings
By 6 experimental result of table it is found that after closed soil treatment, and prosulfocarb, diflufenican, flufenacet single dose, with
And wheat paddock is often compared with Seal treatment medicament isoproturon, Acetochlor, it is small after prosulfocarb, diflufenican, flufenacet compounding
Herbicidal combinations used in wheatland and preparation herbicidal effect will be apparently higher than any one single dose in three components, and produce synergy
Effect, expands degrass spectrum.Compared with positive controls, the Wheat field weeding composition that embodiment 1 to embodiment 7 provides is to small
The difficult anti-weeds herba bromi japonici of wheatland, big fringe amur foxtail, Veronica, the preventive effect of Descurainia sophia are quite even more excellent.Illustrate that the present invention mentions
For Wheat field weeding composition using safe, can effectively avoid phytotoxicity, be more suitably applied to eliminating weed in wheat field.
Table 7 tests each group formulation rate of soil spraying treatment and preventive effect result before three weeds seedlings
As seen from the results in Table 7, after closed soil treatment, with prosulfocarb, diflufenican, flufenacet single dose, Yi Ji little
Wheatland is often compared with Seal treatment medicament isoproturon, Acetochlor, wheat paddock after prosulfocarb, diflufenican, flufenacet compounding
Herbicidal combinations and preparation herbicidal effect used will be apparently higher than any one single dose in three components, and produce synergy work
With expanding degrass spectrum.Compared with positive controls, the Wheat field weeding composition that embodiment 1 to embodiment 7 provides is to wheat
The difficult anti-weeds herba bromi japonici in field, amur foxtail, Descurainia sophia, the preventive effect of shepherd's purse are quite even more excellent.Illustrate wheat provided by the invention
Field weeding composition can effectively avoid phytotoxicity, be more suitably applied to eliminating weed in wheat field using safe.
The present invention provides wheat paddock composition prosulfocarb, diflufenican, the reasonable compound proportion of flufenacet, and benzyls
Significant raising is played to preventing and kill off for weeds after careless pellet, diflufenican, flufenacet compounding, degrass spectrum is expanded, to small
The difficult anti-weeds of wheatland can also play effectively preventing effect, and to wheat safety, no phytotoxicity is generated, and can be used for preventing and treating wheat paddock grass
Evil expands the type of wheat paddock closed soil treatment herbicide.
Claims (9)
1. a kind of Herbicidal combinations containing prosulfocarb, diflufenican and flufenacet, it is characterised in that: effective component is benzyl grass
Red, diflufenican and flufenacet, in Herbicidal combinations the mass ratio of prosulfocarb, diflufenican and flufenacet be 1~
40:1~20:1~40；The mass percentage of effective component is 1~50% in Herbicidal combinations.
2. the Herbicidal combinations according to claim 1 containing prosulfocarb, diflufenican and flufenacet, feature exist
In: the mass ratio of prosulfocarb, diflufenican and flufenacet is 5~20:5~10:5~20 in Herbicidal combinations.
3. the Herbicidal combinations according to claim 1 containing prosulfocarb, diflufenican and flufenacet, feature exist
In: the mass percentage of effective component is 20~40% in Herbicidal combinations.
4. the Herbicidal combinations according to claim 1 containing prosulfocarb, diflufenican and flufenacet, feature exist
In: dosage form is suspending agent, water dispersible granules, aqueous suspension agent or missible oil.
5. the Herbicidal combinations according to claim 1 containing prosulfocarb, diflufenican and flufenacet, feature exist
In: it further include at least two in wetting agent, dispersing agent, thickener, stabilizer and antifreezing agent in Herbicidal combinations.
6. the Herbicidal combinations according to claim 5 containing prosulfocarb, diflufenican and flufenacet, feature exist
In: the wetting agent is neopelex, sodium dodecyl benzene sulfonate, dioctyl sodium sulfosuccinate, dibutyl naphthalene
One of sodium sulfonate is a variety of；
The dispersing agent is selected from castor oil polyoxyethylene ether, sodium lignin sulfonate, calcium lignosulfonate, dodecyl polyoxyethylene
One of ether phosphate, dodecyl polyoxyethylene ether sulfuric ester, polyaryl phenol polyethenoxy phosphate are a variety of；
It is described to be selected from sodium hydroxyethyl cellulose, methylcellulose, Sodium Polyacrylate, polyvinyl alcohol, soluble starch and its derivative
One of object, Arabic gum, gelatin, guar gum, alginic acid, agar, tall oil are a variety of；
The stabilizer is one of calcium silicates, white carbon black, diatomite, crushed crude pearlite, talcum powder or a variety of；
The antifreezing agent is one of ethylene glycol, propylene glycol, glycerine, sorbierite or a variety of.
7. the Herbicidal combinations according to claim 1 containing prosulfocarb, diflufenican and flufenacet, feature exist
In: Herbicidal combinations are grouped as by the group of following weight percentage: prosulfocarb 10%, diflufenican 5%, flufenacet
10%, neopelex 0.5%, polyoxyalkyl ether class 6%, succinic acid salt emulsifier 3%, methylcellulose
0.5%, diatomite 0.5%, antifreezing agent propylene glycol 4%, deionized water are supplied.
8. the Herbicidal combinations according to claim 1 containing prosulfocarb, diflufenican and flufenacet, feature exist
In: Herbicidal combinations are grouped as by the group of following weight percentage: prosulfocarb 11%, diflufenican 5.5%, flufenacet
11%, neopelex 0.5%, castor oil polyoxyethylene ether 20%, methylcellulose 2%, succinic acid Barbiturates cream
Agent 10%, vegetable oil 30%, diatomite 0.5%, antifreezing agent propylene glycol 4%, deionized water are supplied.
9. the application of the Herbicidal combinations described in claim 1 containing prosulfocarb, diflufenican and flufenacet, feature exist
In: for preventing and kill off wheat paddock gramineae weed and broadleaf weeds.
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