CN107047568A - Barley field weeding composition and its application - Google Patents
Barley field weeding composition and its application Download PDFInfo
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- CN107047568A CN107047568A CN201710446765.1A CN201710446765A CN107047568A CN 107047568 A CN107047568 A CN 107047568A CN 201710446765 A CN201710446765 A CN 201710446765A CN 107047568 A CN107047568 A CN 107047568A
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- tralkoxydim
- weeding composition
- barley field
- fluorine chloropyridine
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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
- A01N35/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical
- A01N35/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical at least one of the bonds to hetero atoms is to nitrogen
- A01N35/10—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical at least one of the bonds to hetero atoms is to nitrogen containing a carbon-to-nitrogen double bond
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- 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 provides a kind of barley field weeding composition and its application, belong to herbicide field, after selection active ingredient tralkoxydim and fluorine chloropyridine ester are compounded, can effectively control weeds, poisoning is reduced, it is particularly pertinent especially for the weeds herbicidal effect of barley field.The barley field weeding composition, including active ingredient and auxiliary element, active ingredient are fluorine chloropyridine ester and tralkoxydim, and the weight ratio of fluorine chloropyridine ester and tralkoxydim is 1:2‑32.Active ingredient fluorine chloropyridine ester and tralkoxydim weight percentage shared in the barley field weeding composition are 5% 95%, auxiliary element includes carrier and auxiliary agent, carrier is the one or more in water, solvent or filler, and auxiliary agent at least includes a kind of surfactant.
Description
Technical field
The present invention relates to pesticide field, more particularly to herbicide field, and in particular to a kind of barley field weeding composition and
It is applied.
Background technology
Widely distributed, the major production areas Relatively centralized of China barley, main distributed areas be the Yangtze river basin, the Huanghe valley and
Qinghai-Tibet Platean.In recent years, the development of brewing industry to increase sharply to the demand of raw material barley.
Herbicide is the conventional measure of current barley field control of weeds, to promoting barley production to improve and saving planting cost
With important effect.But herbicide it is long-term, promote the use of a large area, farmland weed chemical control trigger Weed Resistance,
Population succession and drug injury problem are on the rise, and have an impact to barley production and succession crop.Common use medicament is such as：Isopropyl
Grand, pinoxaden, Flumetsulam, florasulam, fenoxapropPethyl (big fat horse), tribenuron-methyl, azoles humulone, chlorine fluorine pyrrole oxygen
Acetic acid, the chlorine sodium of 2 first 4, bensulfuron-methyl etc..Barley field grassy weed is bad to prevent and kill off, it is necessary to based on early prevention and treatment, particularly field
Between grass it is mutually complicated, before seedling carries out closed soil treatment with class herbicide is closed preferably after broadcasting, weeds Seedling Stage further according to
Grass carries out cauline leaf process with herbicides such as isoproturons.The barley field grassy weed overwhelming majority after planting to emerging before the winter,
Emerged after winter and the beginning of spring seldom, catch after planting this section of material time medication to before surviving the winter, can effectively control grassy weed
Harm.
Fluorine chloropyridine ester is a kind of active component researched and developed by Tao benefit agriculture, can be used as pyridine carboxylic acid class herbicide, the work
The ISO common names of property composition get the Green Light in November, 2012.Tao benefit agriculture is entered for the methyl esters fluorine chloropyridine ester of the compound
The market development is gone, has been released in Canadian cereal crops market, for broad leaved weed prevention and control after bud.Contain removing for fluorine chloropyridine ester
Careless agent can be by preventing and kill off partial resistance weeds, and such as clearvers, chickweed and cannabis weeds carry out resistance management.In addition, fluorine chlorine
Pyridine ester can provide larger flexibility by microorganism fast degradation in the environment for succeeding crop plantation.
Tralkoxydim, CAS 87820-88-0, chemical name be 2- (l- (ethoxy imino) propyl group) -3- hydroxyls -
5- (2,4,6- trimethylphenyl) cyclohexene -2- ketone, also known as methoxyphenone, English name are tra l koxyd im.Belong to cyclohexene
Ketone selective herbicide, can effectively prevent and kill off and wheat and barley field, anti-deratization are applied to after a variety of grassy weeds of wheatland, bud
Tail amur foxtail, wind grass, oat, auspicious native rye grass, dog tail are early, after being absorbed through leaf, are transferred to growing point in bast, suppress herein
New growth.To broad leaved weed or sedge weed without obvious activity of weeding, but to grassy weed, quilt rapidly after foliage application
Plant absorbs and shifted.Weeds elder generation chlorosis, changes colour withered afterwards, completely withered in general 3~4 weeks.The effect of Control Wild oat is excellent
In preventive effect of the diclofop-methyl under recommended dose, and the optimum period for applying fertilizer is wide, almost can thoroughly prevent and kill off the wild oat before tiller final period,
The suppression phase can be extended down to the jointing stage.This product is also safe to wheat, barley under 2 times of maximum recommended dosage, including solids is small
Wheat.In low temperature cold current period, security is better than big fat horse.
Fluorine chloropyridine ester and tralkoxydim are single in use, there is certain defect and limitation.At present not on two
The compound medicine of person, other weeding Drug Combination Effects for barley field are nor highly desirable.
The content of the invention
It is an object of the invention to provide a kind of barley field weeding composition and its application, choose active ingredient tralkoxydim and
After fluorine chloropyridine ester is compounded, weeds can be effectively controlled, poisoning are reduced, especially for the weeds herbicidal effect of barley field
It is particularly pertinent.
An aspect of of the present present invention provides a kind of barley field weeding composition, including active ingredient and auxiliary element, effectively
Composition is fluorine chloropyridine ester and tralkoxydim, and the weight ratio of fluorine chloropyridine ester and tralkoxydim is 1:2-32.
As optimal technical scheme, the weight ratio of active ingredient fluorine chloropyridine ester and tralkoxydim is 1:2-24.
As optimal technical scheme, the weight ratio of active ingredient fluorine chloropyridine ester and tralkoxydim is 1:4-16.
As optimal technical scheme, the weight ratio of active ingredient fluorine chloropyridine ester and tralkoxydim is 1:4 or 1:5.33 or 1:
6 or 1:8 or 1:10.67 or 1:12 or 1:26.
As optimal technical scheme, active ingredient fluorine chloropyridine ester and tralkoxydim institute in the barley field weeding composition
The weight percentage accounted for is 5%-95%, preferably 30%-60%.
As optimal technical scheme, auxiliary element includes carrier and auxiliary agent, carrier be one kind in water, solvent or filler or
A variety of, auxiliary agent at least includes a kind of surfactant.
The water is deionized water；The solvent is selected from DMF, cyclohexanone, toluene, dimethylbenzene, two
Methyl sulfoxide, methanol, ethanol, trimethylcyclohexanone, NOP, monoethanolamine, triethanolamine, isopropylamine, N- first
Base pyrrolidones, propyl alcohol, butanol, ethylene glycol, diethylene glycol, ethylene glycol monomethyl ether, butyl ether, monoethanolamine, isopropylamine, ethyl acetate or
The mixture of one or more compositions in acetonitrile；The filler is selected from kaolin, diatomite, bentonite, attapulgite, hard charcoal
The mixture of one or more compositions in black, starch or precipitated calcium carbonate.
One or more of the surfactant in emulsifying agent, dispersant, wetting agent or bleeding agent.
The emulsifying agent is selected from serial phosphate (the NPE phosphorus of agriculture breast 500# (alkyl benzene calcium sulfonate), OP
Acid esters), 600# phosphates (phenyl phenol polyoxyethylene ether phosphate), styrene polyoxyethylene ether ammonium sulfate salt, alkyl biphenyl ether
Disulfonic acid magnesium salts, triethanolamine salt, agriculture breast 400# (benzyl dimethyl phenol polyoxyethyl ether), Nongru-700 # (alkylphenol formaldehyde trees
Fat polyoxyethyl ether), peaceful breast 36# (phenethyl phenol formaldehyde resin polyoxyethyl ether), agriculture breast 1600# (phenethyl phenol polyoxyethanyls
Polypropylene-base ether), ethylene oxide-propylene oxide block copolymer, OP serial (NPE), the serial (castor-oil plants of BY
Oily APEO), agriculture breast 33# (alkylaryl polyoxyethylene poly-oxygen propylene aether), Span series (sorbitol anhydride monostearate),
It is a kind of or many in TWEEN Series (anhydrous sorbitol resin acid ester APEO) or AEO series (AEO)
Plant the mixture of composition.
The dispersant be selected from polycarboxylate, lignosulfonates, APES formaldehyde condensation products sulfat,
Alkyl benzene calcium sulfonate, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, APES, aliphatic amine polyoxyethylene ether, fatty acid polyglycol
The mixture of one or more compositions in oxygen vinethene or glycerine fatty acid ester APEO.
The wetting agent is selected from lauryl sodium sulfate, neopelex, Nekal BX, wetting and penetrating agent F, soap
The mixture of one or more compositions in angle powder, silkworm excrement or spaonin powder.
The bleeding agent is selected from penetrating agent JFC (AEO), penetrant t (diisooctyl maleate
Sulfonate), the mixtures of one or more compositions in azone or organosilicon.
The auxiliary agent also includes one or more in antifreezing agent, thickener, stabilizer, disintegrant, defoamer.
The mixture of one or more compositions of the antifreezing agent in ethylene glycol, propane diols, glycerine or urea.
One kind in xanthans, polyvinyl alcohol, bentonite, carboxymethyl cellulose or aluminium-magnesium silicate of the thickener or
The mixture of a variety of compositions.
The stabilizer is selected from epoxidized soybean oil, epoxychloropropane, BHT, ethyl acetate, one kind of triphenyl phosphate or many
Plant the mixture of composition.
The disintegrant is selected from bentonite, urea, ammonium sulfate, aluminium chloride, low-substituted hydroxypropyl cellulose, lactose, lemon
The mixture of one or more compositions in acid, succinic acid or sodium acid carbonate.
The defoamer is selected from silicone oil, silicone compound, C10~C20 saturated fat acids compound or C8~C10 fat
The mixture of one or more compositions in fat alcohol compound.
Any one formulation of suitable agricultural use can be prepared by known methods into the Herbicidal combinations of the present invention, compared with
Good formulation is wettable powder, soluble powder, suspension emulsion, oil-suspending agent, aqueous suspension agent, aqueous emulsion, microemulsion, missible oil,
Soluble granula or water dispersible granules.
Another aspect provides the application of above-mentioned barley field weeding composition, prevent for barley field or control
Undesirable vegetation, including deep root perennial weeds, annual gramineous weed and broad leaved weed.For example：Descurainia sophia, grandmother
Receive, clearvers, shepherd's purse, chickweed, Amaranthus retroflexus, piemarker, corn gromwell, amur foxtail, wild oat, straw, yard grass, hard grass, eleusine indica,
Lady's-grass and green bristlegrass etc..
Another aspect of the invention provides a kind of method prevented or control undesirable vegetation, and above-mentioned barley field is removed
Careless composition, emerges for being not intended in the soil of vegetation existence, being not intended to the cauline leaf of vegetation, or before crop-planting or after planting
The after seedling processing of burning the grass on waste land before emerging afterwards and tolerant crops and non-tolerant crops.
Compared to existing Herbicidal combinations, advantages and positive effects of the present invention are：
The beneficial effects of the present invention are：
1st, tralkoxydim and fluorine chloropyridine ester can be separated, sequentially or simultaneously used, and can expand herbicidal spectrum when being applied in combination,
Annual and biennial grass family and broad leaved weed are controlled well；
2nd, Herbicidal combinations of the invention produce the weeds of resistance to barley field, or even the tall and big weeds in part have good control
Make and use, and said composition can also slow down weeds well and produce resistance；
3rd, Herbicidal combinations of the invention reduce the dosage of agricultural chemicals, reduce residual quantity of the agricultural chemicals on crop, subtract
Light environmental pollution；
4th, Herbicidal combinations of the invention reduce the generation of poisoning risk to barley high safety；
5th, Herbicidal combinations preparation of the invention is with low cost, and preparing process is simple, it is adaptable to be widely applied.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
The embodiment of one aspect of the present invention provides a kind of barley field weeding composition, including active ingredient and aids in into
Point, active ingredient is fluorine chloropyridine ester and tralkoxydim, and the weight ratio of fluorine chloropyridine ester and tralkoxydim is 1:2-32.The present embodiment institute
There is provided the Herbicidal combinations for barley field in mainly using fluorine chloropyridine ester and tralkoxydim as active ingredient, in addition for
In the auxiliary element for forming composition.In order to reach the purpose for expanding herbicide controlling spectrum and slowing down barley field herbicide resistance, the combination
Different mechanism of action of the thing according to compounding component, reduce dosage, to barley high safety, while reducing residues of pesticides and ring
Pollute in border.
To achieve these goals and play a role, in the preferred embodiment of the present invention, active ingredient fluorine chloropyridine
The weight ratio of ester and tralkoxydim is set as 1:2-24.In above range, the herbicidal effect of active ingredient shows as preferably adding
Into or synergistic effect, for example：The weight ratio of active ingredient fluorine chloropyridine ester and tralkoxydim can be：1:2,1:3,1:5,1:7,1:
9,1:11,1:13,1:15,1:17,1:19,1:21,1:23,1:24 etc..It is used as preferred embodiment, active ingredient fluorine chlorine
The weight ratio of pyridine ester and tralkoxydim is 1:4-16, wherein the weight ratio in active ingredient fluorine chloropyridine ester and tralkoxydim is 1:4
Or 1:5.33 or 1:6 or 1:8 or 1:10.67 or 1:12 or 1:26 effects are best.
In a preferred embodiment, active ingredient fluorine chloropyridine ester and tralkoxydim institute in the barley field weeding composition
The weight percentage accounted for is 5%-95%, and as preferred embodiment, active ingredient fluorine chloropyridine ester is with tralkoxydim in institute
It is 30%-60% to state weight percentage shared in barley field weeding composition.Specific addition can be according to actually needing to administer
Weeds area and species depending on, such as quality of fluorine chloropyridine ester and tralkoxydim can account for 5%, 10%, 15%, 20%,
25%th, 30%, 35%, 40%, 45%, 50%, 55%, 60%, 65%, 70%, 75%, 80%, 85%, 90%, 95%
Deng, or other any values in above range.In a more preferred embodiment, the quality of the fluorine chloropyridine ester and tralkoxydim
Account for the 18%-60% of the barley field weeding composition gross mass.Within the range, can be while drug effect performance be met, profit
In the formulation for being prepared into excellent effect.
In an alternative embodiment, carrier is also included in the barley field weeding composition, carrier is selected from water, solvent, filled out
One or more in material.Wherein, water is preferably deionized water；Solvent is selected from DMF, cyclohexanone, first
Benzene, dimethylbenzene, dimethyl sulfoxide (DMSO), methanol, ethanol, trimethylcyclohexanone, NOP, monoethanolamine, triethanolamine,
Isopropylamine, 1-METHYLPYRROLIDONE, propyl alcohol, butanol, ethylene glycol, diethylene glycol, ethylene glycol monomethyl ether, butyl ether, monoethanolamine, isopropyl
The mixture of one or more compositions in amine, ethyl acetate or acetonitrile；Filler is selected from kaolin, diatomite, bentonite, bumps
The mixture of one or more compositions in rod soil, white carbon, starch or precipitated calcium carbonate.It is understood that mentioned kind
Only it is to enumerate not exhaustive, other suitable carriers can also be used in the preparation process of above-mentioned composition.
In an alternative embodiment, auxiliary agent is also included in the barley field weeding composition, auxiliary agent at least includes a kind of table
Face activating agent, one or more of the surfactant in emulsifying agent, dispersant, wetting agent.
Wherein, the emulsifying agent is selected from the serial phosphate (Nonyl pheno of agriculture breast 500# (alkyl benzene calcium sulfonate), OP
Ether phosphate), 600# phosphates (phenyl phenol polyoxyethylene ether phosphate), styrene polyoxyethylene ether ammonium sulfate salt, alkyl connection
Phenylate disulfonic acid magnesium salts, triethanolamine salt, agriculture breast 400# (benzyl dimethyl phenol polyoxyethyl ether), Nongru-700 # (alkyl phenol first
Urea formaldehyde polyoxyethyl ether), peaceful breast 36# (phenethyl phenol formaldehyde resin polyoxyethyl ether), # (the phenethyl phenol polyoxies of agriculture breast 1600
Ethyl polypropylene-base ether), ethylene oxide-propylene oxide block copolymer, OP serial (NPE), BY series
(castor oil polyoxyethylene ether), the # of agriculture breast 33 (alkylaryl polyoxyethylene poly-oxygen propylene aether), (sorbitol anhydride list is hard for Span series
Resin acid), one kind in TWEEN Series (anhydrous sorbitol resin acid ester APEO) or AEO serial (AEO)
Or the mixture of a variety of compositions.
The dispersant be selected from polycarboxylate, lignosulfonates, APES formaldehyde condensation products sulfat,
Alkyl benzene calcium sulfonate, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, APES, aliphatic amine polyoxyethylene ether, fatty acid polyglycol
The mixture of one or more compositions in oxygen vinethene or glycerine fatty acid ester APEO.
The wetting agent is selected from lauryl sodium sulfate, neopelex, Nekal BX, wetting and penetrating agent F, soap
The mixture of one or more compositions in angle powder, silkworm excrement or spaonin powder.
The bleeding agent is selected from penetrating agent JFC (AEO), penetrant t (diisooctyl maleate
Sulfonate), the mixtures of one or more compositions in azone or organosilicon.
It is understood that the surfactant cited by above-described embodiment is common nonionic surfactant or the moon
The single dose or complex preparation of ionic surface active agent, but selected surfactant can be not limited to it is above-mentioned cited,
It can also be other rational surfactants in the art known to technical staff.
In an alternative embodiment, the auxiliary agent also includes in antifreezing agent, thickener, stabilizer, disintegrant, defoamer
It is one or more.
Wherein, the mixing of one or more compositions of the antifreezing agent in ethylene glycol, propane diols, glycerine or urea
Thing.One or more of the thickener in xanthans, polyvinyl alcohol, bentonite, carboxymethyl cellulose or aluminium-magnesium silicate
The mixture of composition.The stabilizer is selected from epoxidized soybean oil, epoxychloropropane, BHT, ethyl acetate, the one of triphenyl phosphate
The mixture of kind or a variety of compositions.The disintegrant is selected from bentonite, urea, ammonium sulfate, aluminium chloride, low substituted hydroxy-propyl fiber
The mixture of one or more compositions in element, lactose, citric acid, succinic acid or sodium acid carbonate.The defoamer be selected from silicone oil,
One or more in silicone compound, C10~C20 saturated fat acids compound or C8~C10 aliphatic alcohols compounds
The mixture of composition.It is understood that above-mentioned auxiliary agent species is only to enumerate not exhaustive, other can play respective action
Surfactant is also applied in the preparation of composition.
Another embodiment of the present invention provides the application of above-mentioned barley field weeding composition, prevents for barley field or controls
Make undesirable vegetation, including deep root perennial weeds, annual gramineous weed and broad leaved weed.Specific weeds species can
Think：Descurainia sophia, Veronica, clearvers, shepherd's purse, chickweed, Amaranthus retroflexus, piemarker, corn gromwell, amur foxtail, wild oat, straw, Xi
Shuai grass, hard grass, eleusine indica, lady's-grass and green bristlegrass etc..
Another embodiment of the present invention provides a kind of method prevented or control undesirable vegetation, by above-mentioned barley field
Herbicidal combinations, go out for being not intended in the soil of vegetation existence, being not intended to the cauline leaf of vegetation, or before crop-planting or after planting
After seedling emerge before burn the grass on waste land and tolerant crops and non-tolerant crops after seedling processing.Corresponding prevention can be obtained or control is not wished
The growth of the vegetation of prestige, while ensureing the safety of barley.
In order to become apparent from introducing barley field weeding composition and its application that the embodiment of the present invention is provided in detail, below
It will be illustrated in connection with specific embodiments.
Indoor biological determination of activity
Tralkoxydim and fluorine chloropyridine ester mixture are to barley field weed wild oat, the active determination test of Descurainia sophia
The weeding of tralkoxydim and fluorine chloropyridine ester and its different blended with combination to wild oat is determined under the conditions of greenhouse pot culture
Effect, and its synergy is have rated, test method is as follows：For examination target：Wild oat；Test medicine：The active compound of tralkoxydim 95%,
The active compound of fluorine chloropyridine ester 93%, is provided by Qingdao Hansen Biologic Science Co., Ltd..
Medicament configuration：Tralkoxydim solution：The tralkoxydim active compounds of 0.0215g 95% accurately are weighed, it is fully molten with 0.2mL acetone
Xie Hou, adds the clear water 400mL of 0.1% Tween 80 emulsifying agent, stirs and be configured to tralkoxydim 80g a.i./ha solution,
Be diluted to 60 with clear water again, 40,20g a.i./ha concentration it is standby.
Fluorine chloropyridine ester solution：The fluorine chloropyridine ester active compounds of 0.0027g 93% accurately are weighed, it is fully molten with 0.2mL acetone
Xie Hou, adds the clear water 400mL of 0.1% Tween 80 emulsifying agent, stirring, it is molten to be configured to fluorine chloropyridine ester 10g a.i./ha
Liquid, then be diluted to clear water 7.5,5,2.5g a.i./ha concentration it is standby.
Placebo solution：0.2mL acetone adds the water of 80mL0.1% Tween 80 emulsifying agents.
Test method：Using potted plant cauline leaf process method (NY/T 1155.4-2006)：In high 6cm, diameter 9cm polypots
Built-in quantitative soil, will be placed on for 15~20 sowings of examination target weeds seed in polypots after fine earth thick 0.5~1cm of lid
Cultivated in greenhouse, treat that weeds length to 1~3 leaf phase carries out cauline leaf spraying treatment, per alms bowl spraying liquid 1mL, often processing is repeated 4 times, and
If the processing without medicament is control.Examination is just placed in greenhouse and cultivated after processing, the growing state of routine observation target weeds,
Target damage symptoms and growth inhibition situation are estimated after 15d, and claims aerial part fresh weight or strain fresh weight, with form fresh weight inhibition
Evaluate toxicity action of the medicament to target weeds.Investigation method：Target damage symptoms and growth suppression are estimated after test process 15d
Situation processed, and claim aerial part fresh weight or strain fresh weight, calculate fresh weight inhibition (%)
Synergy evaluation method：
Herbicide mode of application (NY/T 1155.7-2006) is evaluated according to Gowi ng methods, its formula is as follows：E0=
X+Y-XY/100
In formula, X be tralkoxydim with certain dosage when alone to the fresh weight inhibitions of target weeds；Y is fluorine chloropyridine ester with certain
To the fresh weight inhibition of target weeds when dosage is alone；E0It is miscellaneous to target during for tralkoxydim with fluorine chloropyridine two kinds of pharmacy mix of ester
The theoretical value of the fresh weight inhibition of grass；The fresh weight of target weeds is pressed down when E is tralkoxydim and fluorine chloropyridine two kinds of pharmacy mix of ester
The measured value of rate processed.
Evaluation criterion：Work as E-E0Synergistic effect is expressed as during ＞ 10%, as -10%≤E-E0It is expressed as being added when≤10%
Effect, works as E-E0Antagonism is expressed as during ＜ -10%.
The fluorine chloropyridine ester of table 1 and tralkoxydim and its mixture combine the toxicity test result to wild oat
Table 1 be tralkoxydim and fluorine chloropyridine ester and its mixture composition to the herbicidal effect measurement result of wild oat, pass through
Table 1 is as can be seen that fluorine chloropyridine ester and tralkoxydim are with 1:2-32 scope E-E0It is worth just, to show the work of addition or synergy
With wherein with 1:4,1:5.33,1:6,1:The effect of 8 pairs of wild oats is fine, its E-E0Value is all higher than 10% and shows as synergy,
Maximum is 11.14.
The fluorine chloropyridine ester of table 2 and tralkoxydim and its mixture combine the toxicity test result to Descurainia sophia
Table 2 is the herbicidal effect measurement result of tralkoxydim and fluorine chloropyridine ester and its mixture composition to Descurainia sophia, by table 2
As can be seen that fluorine chloropyridine ester and tralkoxydim are with 1：2-32 scope E-E0It is worth just, to show summation action, wherein with
1:2.67,1:5.33,1:8,1:10.67,1:12,1:16 mixture composition is best to the effect of Descurainia sophia, its E-E0Value is equal
Synergy is shown as more than 10%, maximum is 10.98.
Field efficacy
1st, following medicament is prepared respectively：
Embodiment 1：66% fluorine chloropyridine lactazone humulone wettable powder 1:32
Proportioning：Fluorine chloropyridine ester, 2%；Tralkoxydim, 64%；Wetting agent lauryl sodium sulfate, 2%；Dispersant is wooden
Plain sulfoacid calcium, 8%；Filler white carbon, 16%, filler kaolin, surplus.
Preparation method：By said ratio, active ingredient tralkoxydim, fluorine chloropyridine ester are added in carrier, and is added wherein
Enter surfactant and other functional aids, mix, obtained wettable powder is remixed after air-flow crushing.Capital equipment has
Mixer, airslide disintegrating mill.
Embodiment 2：75% fluorine chloropyridine lactazone humulone wettable powder 1:24
Proportioning：Fluorine chloropyridine ester, 3%；Tralkoxydim, 72%；Wetting agent lauryl sodium sulfate, 2%；Dispersant is wooden
Plain sulfoacid calcium, 8%；Filler white carbon, 8%, filler kaolin, surplus.
Preparation method be the same as Example 1.
Embodiment 3：68% fluorine chloropyridine lactazone humulone water dispersible granules 1:16
Proportioning：Fluorine chloropyridine ester, 4%；Tralkoxydim, 64%；Wetting agent dodecylbenzene sodium sulfonate, 3%；Dispersant alkyl
Naphthalenesulfonate formaldehyde condensation compound, 8%；Filler attapulgite, surplus.
Preparation method：By said ratio, active ingredient tralkoxydim, fluorine chloropyridine ester are added in carrier, and is added wherein
Enter surfactant and other functional aids, mix, Jia 10 after air-flow crushing~25% water, then through mediating, granulating,
Dry, water dispersible granules product is made in screening；Or the powder crushed is sprayed water in boiling granulator, granulated, is dried, afterwards
Product is made in screening.Capital equipment has mixer, airslide disintegrating mill, kneader, Squeezinggranulator, drying room or fluidized bed drying,
Or boiling granulator, screening machine.
Embodiment 4：39% fluorine chloropyridine lactazone humulone suspension emulsion 1:12
Proportioning：Fluorine chloropyridine ester, 3%；Tralkoxydim, 36%；Solvent N-methyl pyrilidone, consumption 25%；Emulsifying agent is selected
With agriculture breast 500# and agriculture breast OP-10#, consumption is respectively 4% and 5%；Oil dispersant polycarboxylate, 8%；Thickener selects xanthan
Glue and aluminium-magnesium silicate, consumption are respectively 0.2% and 2.0%；Antifreeze glycol, consumption 3%；Water, surplus.
Preparation method：By said ratio, active ingredient fluorine chloropyridine ester is added into solvent, surfactant, add water mixing
Uniformly, aqueous emulsion is made through high speed shear；Tralkoxydim is added in carrier, and adds surfactant and other features wherein
Auxiliary agent, is mixed with water, through high speed shear, and wet method is sanded, and suspending agent is made, finally by resulting suspending agent and aqueous emulsion
High speed shear, homogeneous filtering produces product.Capital equipment is batching kettle, colloid mill or homogeneous mixer, sand mill.
Embodiment 5：The 22% dispersible oil-suspending agent 1 of fluorine chloropyridine lactazone humulone:10
Proportioning：Fluorine chloropyridine ester, 2%；Tralkoxydim, 20%；Emulsifying agent agriculture breast BY-125,7%；Oil dispersant polycarboxylic acids
Salt, 8%；Thickener selects organobentonite, and consumption is respectively 1.6%；Oil, surplus.
Preparation method：By said ratio, by active ingredient tralkoxydim, fluorine chloropyridine ester, surfactant and other functions
Property auxiliary agent be sequentially placed into reactor, refuel well mixed, through high speed shear, wet method is sanded, last homogeneous filtering produces product.
Capital equipment is batching kettle, colloid mill or homogeneous mixer, sand mill.
Embodiment 6：The 27% dispersible oil-suspending agent 1 of fluorine chloropyridine lactazone humulone:8
Formula：Fluorine chloropyridine ester, 3%；Tralkoxydim, 24%；Emulsifying agent agriculture breast BY-125,8%；Oil dispersant polycarboxylic acids
Salt, 10%；Thickener selects organobentonite, and consumption is respectively 1.4%；Oil, surplus.
Preparation method be the same as Example 5.
Embodiment 7：35% fluorine chloropyridine lactazone humulone suspending agent 1:6
Proportioning：Fluorine chloropyridine ester, 5%；Tralkoxydim, 30%；Wetting agent NPE, 2%；The poly- carboxylic of dispersant
Hydrochlorate, 4%；Thickener selects xanthans and aluminium-magnesium silicate, and consumption is respectively 0.2% and 2.0%；Antifreeze glycol, consumption
3%；Water, surplus.
Preparation method：By said ratio, by active ingredient tralkoxydim, fluorine chloropyridine ester, surfactant and other functions
Property auxiliary agent be sequentially placed into reactor, be mixed with water, through high speed shear, wet method is sanded, last homogeneous filtering produces product.
Capital equipment is batching kettle, colloid mill or homogeneous mixer, sand mill.
Embodiment 8：36% fluorine chloropyridine lactazone humulone suspending agent 1:5
Proportioning：Fluorine chloropyridine ester, 6%；Tralkoxydim, 30%；Wetting agent NPE, 2%；The poly- carboxylic of dispersant
Hydrochlorate, 5%；Thickener selects xanthans and aluminium-magnesium silicate, and consumption is respectively 0.1% and 1.0%；Antifreeze glycol, consumption
3%；Water, surplus.
Preparation method be the same as Example 7.
Embodiment 9：10% fluorine chloropyridine lactazone humulone microemulsion 1:4
Proportioning：Fluorine chloropyridine ester, 2%；Tralkoxydim, 8%；Dimethylformamide, 16%；N- methyl pyrrolidones,
20%；Dimethylbenzene, 15%；Isopropanol, 4.0%；Alkylaryl polyoxyethylene poly-oxygen propylene aether, consumption 16%；Water, surplus.
Preparation method：It is by said ratio, active ingredient tralkoxydim, fluorine chloropyridine ester solvent and cosolvent is completely molten
Solution, then adds other auxiliary agents, is well mixed, water is eventually adding, after being sufficiently stirred for, you can bactericidal composition of the present invention is made
Microemulsion formulation.
Embodiment 10：12% fluorine chloropyridine lactazone humulone microemulsion 1:2
Proportioning：Fluorine chloropyridine ester, 4%；Tralkoxydim, 8%；Dimethylformamide, 16%；N- methyl pyrrolidones,
20%；Dimethylbenzene, 15%；Isopropanol, 4.0%；Alkylaryl polyoxyethylene poly-oxygen propylene aether, consumption 12%；Water, surplus.
Preparation method be the same as Example 9.
2nd, comparison medicament：40% tralkoxydim suspending agent (purchased in market)；7.5% fluorine chloropyridine emulsifiable concentrate (purchased in market).
If artificial weeding and clear water control treatment.
Application method：Every mu is watered after 30 liters uniform cauline leaf and sparges in each cell.
Spraying time：On June 28th, 2015, in the corn 3-5 leaf phases, the weeds in field 2-4 leaf phases, carry out cauline leaf spraying 1
It is secondary.
Dispenser place：Jiangsu Province Huai'an Siyang County suburb barley field
Investigation method and drug effect are calculated
Investigating weeds object is：Wild oat, amur foxtail , Wang are careless, Descurainia sophia, clearvers, the weeds such as shepherd's purse, 7 days after investigation,
15 days to the strain preventive effect of weeds and the fresh weight preventive effect of 15 days.
Barley occurs visual test medicament without poisoning.
Test results and analysis are shown in Table 3, table 4 respectively.
Table 3 is applied the present invention relates to 7 days after Herbicidal combinations medicine to barley field weed control efficacy
Table 4 is applied the present invention relates to 14 days after Herbicidal combinations medicine to barley field weed control efficacy
Tralkoxydim compounds to barley field wild oat, Wang grass, Descurainia sophia with fluorine chloropyridine ester, sees wheat knowable to table 3 and table 4
Ma, shepherd's purse, clearvers etc. have a good prevention effect, and preventive effect is better than single dose preventive effect, with comparison medicament, artificial weeding, relative to
Significant difference between the rate of growth of clear water control treatment, and with preferable quick-acting and lasting effect, in this experimental drug model
In enclosing, to barley safety.
Claims (10)
1. barley field weeding composition, it is characterised in that including active ingredient and auxiliary element, active ingredient is fluorine chloropyridine ester
And tralkoxydim, the weight ratio of fluorine chloropyridine ester and tralkoxydim is 1:2-32.
2. barley field weeding composition according to claim 1, it is characterised in that active ingredient fluorine chloropyridine ester and oxime grass
The weight ratio of ketone is 1:2-24.
3. barley field weeding composition according to claim 2, it is characterised in that active ingredient fluorine chloropyridine ester and oxime grass
The weight ratio of ketone is 1:4-16.
4. barley field weeding composition according to claim 3, it is characterised in that active ingredient fluorine chloropyridine ester and oxime grass
The weight ratio of ketone is 1:4 or 1:5.33 or 1:6 or 1:8 or 1:10.67 or 1:12 or 1:26.
5. the barley field weeding composition according to claim 1-4 any one, it is characterised in that active ingredient fluorine chlorine pyrrole
Pyridine ester is 5%-95%, preferably 30%- with tralkoxydim weight percentage shared in the barley field weeding composition
60%.
6. barley field weeding composition according to claim 5, it is characterised in that auxiliary element includes carrier and auxiliary agent,
Carrier is the one or more in water, solvent or filler, and auxiliary agent at least includes a kind of surfactant.
7. barley field weeding composition according to claim 6, it is characterised in that the surfactant is selected from emulsification
One or more in agent, dispersant, wetting agent or bleeding agent；The auxiliary agent also includes antifreezing agent, thickener, stabilizer, collapsed
Solve one or more in agent, defoamer.
8. barley field weeding composition according to claim 5, it is characterised in that the agent of the barley field weeding composition
Type is wettable powder, soluble powder, suspension emulsion, oil-suspending agent, aqueous suspension agent, aqueous emulsion, microemulsion, missible oil, solubility
One kind in granula or water dispersible granules.
9. the application of the barley field weeding composition described in claim 1-8 any one, it is characterised in that pre- for barley field
Prevent or control undesirable vegetation, including deep root perennial weeds, annual gramineous weed and broad leaved weed.
10. prevention or the method for controlling undesirable vegetation, it is characterised in that will be big described in claim 1-8 any one
Cornfield herbicidal composition is used to be not intended in the soil of vegetation existence, is not intended to the cauline leaf of vegetation, or before crop-planting or sows
The after seedling processing of burning the grass on waste land before being emerged after emerging afterwards and tolerant crops and non-tolerant crops.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101808520A (en) * | 2007-08-27 | 2010-08-18 | 陶氏益农公司 | Synergistic herbicidal composition containing certain pyridine or pyrimidine carboxylic acids and certain cereal and rice herbicides |
| CN106857529A (en) * | 2017-03-06 | 2017-06-20 | 江苏莱科化学有限公司 | A kind of Herbicidal combinations of fluorine-containing chloropyridine ester and tralkoxydim |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101808520A (en) * | 2007-08-27 | 2010-08-18 | 陶氏益农公司 | Synergistic herbicidal composition containing certain pyridine or pyrimidine carboxylic acids and certain cereal and rice herbicides |
| CN106857529A (en) * | 2017-03-06 | 2017-06-20 | 江苏莱科化学有限公司 | A kind of Herbicidal combinations of fluorine-containing chloropyridine ester and tralkoxydim |
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