CN106489979B - Herbicidal composition comprising flucarbazone, 2 first, 4 chlorine different monooctyl ester and azoles humulone - Google Patents
Herbicidal composition comprising flucarbazone, 2 first, 4 chlorine different monooctyl ester and azoles humulone Download PDFInfo
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- CN106489979B CN106489979B CN201610900788.0A CN201610900788A CN106489979B CN 106489979 B CN106489979 B CN 106489979B CN 201610900788 A CN201610900788 A CN 201610900788A CN 106489979 B CN106489979 B CN 106489979B
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- flucarbazone
- monooctyl ester
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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<
- A01N47/38—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< where at least one nitrogen atom is part of a heterocyclic ring; Thio analogues thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N39/00—Biocides, pest repellants or attractants, or plant growth regulators containing aryloxy- or arylthio-aliphatic or cycloaliphatic compounds, containing the group or, e.g. phenoxyethylamine, phenylthio-acetonitrile, phenoxyacetone
- A01N39/02—Aryloxy-carboxylic acids; Derivatives thereof
- A01N39/04—Aryloxy-acetic acids; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/647—Triazoles; Hydrogenated triazoles
- A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
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- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present invention relates to the Herbicidal combinations containing flucarbazone, 2 first, 4 chlorine different monooctyl ester and azoles humulone, the Herbicidal combinations have synergistic function, wherein, flucarbazone, the different monooctyl ester of 2 first, 4 chlorine, azoles humulone mass ratio be 1~3:1~60:1~3, more preferably 1~2:20~30:2~3.
Description
Technical field
The invention belongs to pesticide herbicides to compound field, and in particular to be a kind of different pungent containing flucarbazone, 2 first, 4 chlorine
The ternary built herbicidal composition and its application of ester and azoles humulone.
Background technique
Flucarbazone (Flucarbazone-Na), appearance are odorless, colourless crystalline powder, are sulfonylurea internal-suction types
High-efficiency wheat field herbicide has obvious preventive effect to the gramineae weeds such as wild avena sativa, herba bromi japonici, amur foxtail and a variety of broadleaf weeds.
The entitled young tiger tiger of its import, is a kind of novel compounds, and effective component can be absorbed by the roots and leaves of weeds, by inhibiting miscellaneous
The activity of acetolactate synthestase in cursive script destroys the normal Physiological and Biochemical Metabolism of weeds and plays activity of weeding.Young tiger Hu Keyou
Effect prevents and kill off wheat paddock major part gramineae weed, while part broadleaf weeds also can be effectively controlled.Young tiger tiger in wheat can be very
Fast metabolism has fabulous safety to wheat.
The different monooctyl ester of 2 first, 4 chlorine (MCPA-isooctyl) belongs to phenoxy carboxylic acid selective herbicide, and there is stronger interior suction to pass
The property led, is mainly used for stem and leaf treatment after seedling, and medicament passes through cuticula and cytoplasma membrane, each section is finally transmitted to, in different portions
Position is synthetically produced Different Effects to nucleic acid and protein, inhibits the synthesis of nucleic acid metabolism and protein in plant tip, makes to grow
Point stops growing, young leaflet tablet not tensible, until photosynthesis cannot proceed normally.It is transmitted to the medicament of plant lower part,
The synthesis of the nucleic acid and protein that organize plant stem increases, and promotes abnormal cell division, and the tip of a root expands, and loses and absorbs nutrient
Ability, cause stem distortion, deformity, screen casing blocking, bast destroy, organic matter transport be obstructed, so that it is normal to destroy plant
Viability, eventually lead to Plant death.For many years, it is widely used in wheat paddock, corn field, paddy field, urban lawn, fiber crops
Class crop prevents and kill off annual or perennial broadleaf weed and part nutgrass flatsedge.
Azoles humulone (Carfentrazone-ethyl), other titles: good fortune agriculture, go out fastly spirit, three azoles humulones, carfentrazone, be by
The triazolineone herbicide of U.S. Fu Meishi (FMC) company exploitation.Azoles humulone is a kind of contact killing type selective herbicide,
Under conditions of having light, in the process of chlorophyll biosynthesis, lead to the product of toxic intermediary by inhibiting protoporphyrinogen oxidase
It is tired, to destroy the cell membrane of weeds, quickly dry the leaves and die.Azoles humulone is after spray i.e. by leaves of plants in 15 minutes
Piece absorbs, and not drenched with rain influences, and weeds occur as soon as poisoning symptom after 3-4 hours, and 2-4 days dead.Herbicide speed is fast, by low temperature
Influence small, medication chance is wide, since azoles humulone has good low temperature resistant and resistance of rainwater washing against effect, temperature can drop to very before the winter
Medication when low can also get the jump on the timely medication in rainy day gap in rainfall frequent spring, and fool proof to succession crop, be wheat
The fine herbicide that field spring eliminates.Because its half-life period in the soil is only a few houres, thus it is also safe to second stubble crop.Mainly
For preventing and kill off broadleaf weeds and nutgrass flatsedge, as Descurainia sophia, white dead nettle, Veronica, piemarker, Armstrong, Chenopodiaceae, red heart Chenopodiaceae, blank pipe are led a cow, weasel
Hemp nettle, pale persicaria, willow leaf thorn smartweed, volume stem smartweed, Amaranthus retroflexus, acalypha copperleaf, precious leaf mustard, white dead nettle, fruitlet flax, summer cypress, black nightshade,
The weeds such as sinapsis alba.There is excellent imitation to Descurainia sophia, piemarker, red heart Chenopodiaceae, shepherd's purse, wartwort, corn gromwell, the blank pipe weeds such as lead a cow,
Generating weeds of resistance etc. to sulfonylurea herbicide has activity well.
Wheat field herbicide is limited by safety and degrass spectrum at present, and a kind of herbicide of single use not can solve wheat
The generation problem of field weed, and wheat paddock resistant weed population advantage is more obvious in recent years, gramineae weed and broadleaf weeds
Mixing generation is increasingly severe, simultaneous simultaneously can control these two types of herbicides there is an urgent need to a kind of.Present inventor is indoors
On the basis of screening and field trial, the complex composition of flucarbazone, 2 first, 4 chlorine different monooctyl ester and azoles humulone is filtered out, is had bright
Aobvious synergistic effect, and the most gramineae weed of wheat paddock and broadleaf weeds can be prevented and kill off simultaneously, and the weeding about the two
It has not been reported so far for composition and its application.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of Herbicidal combination efficiently, less toxic, inexpensive
Object can prevent and kill off wheat paddock grass family and broadleaf weeds simultaneously, be conducive to the integrated control of crop weeds, the Herbicidal combination
Object active constituent includes flucarbazone, the different monooctyl ester of 2 first, 4 chlorine and azoles humulone.
Herbicidal combinations of the invention can be with auxiliary element conventional in Pesticide formulation according to customary preparation methods
Any one dosage form is prepared, such as can be wettable powder, water dispersible granules, granule, suspending agent, soluble liquid
Agent, dispersible oil-suspending agent, dry suspending agent etc..
Further, in Herbicidal combinations of the invention active constituent be flucarbazone, the different monooctyl ester of 2 first, 4 chlorine, azoles humulone,
The mass ratio that they are compounded is 1~3:1~60:1~3, more preferably 1~2:20~30:2~3.
Further, Herbicidal combinations of the invention be mainly used for wheat paddock prevent and kill off gramineae weed in various crop and
Broadleaf weeds.
The frequency of use and usage amount of Herbicidal combinations of the invention with crops, weeds, weather condition and it is small change,
Can achieve the purpose that effectively prevent by using suitable dosage Herbicidal combinations of the invention may also include it is other agricultural
Active constituent, for example, other types herbicide, insecticide, fungicide, fertilizer and safener pesticide activity component and/or plant
Common additive and/or insecticides adjuvant in object protection, or can use together with which.
Compared with prior art, Herbicidal combinations of the invention have the following beneficial effects:
1, activity of weeding is high, has complementary advantages, synergistic: flucarbazone, which mainly passes through, inhibits acetolactic acid in weeds body
The activity of synzyme, the different monooctyl ester of 2 first, 4 chlorine are the synthesis for inhibiting nucleic acid metabolism and protein, and azoles humulone inhibits protoporphyrinogen oxidation
The herbicide of enzymatic activity, three kinds of different role mechanism is used in mixed way, and is had complementary advantages and is coordinated synergy, and activity of weeding performance is high.
2, broad weed-killing spectrum, lasting period are long: flucarbazone mainly prevents and kill off annual gramineous weed and part broadleaf weeds, right
Acalypha copperleaf, piemarker effect are poor, invalid to the rhizome of nutgrass flatsedge.The different monooctyl ester of 2 first, 4 chlorine prevents and kill off annual or perennial broadleaf weed and part Sha
Grass.Azoles humulone is mainly used for preventing and kill off broadleaf weeds and nutgrass flatsedge.Three kinds of mixture of herbicides, expand degrass spectrum and hold, and the effect phase is longer, can
To reach 90 days or more.
3, highly-safe: herbicidal composition avoid using single herbicide dosage it is excessively high caused by phytotoxicity risk, mention
The safety to crop is improved while high-drug-effect again.
Delay Weed Resistance: year after year using single herbicide, dosage is continued to increase, and weeds easily generate resistance.It is small at present
Wheatland malignant weed is more serious, such as herba bromi japonici, Descurainia sophia, Descurainia sophia, and wheat paddock herbicide after seedling use cost is year by year
It improves, and this complex composition is selected to carry out control of weeds, can effectively prevent and kill off wheat paddock main weeds, while reducing single dose
Usage amount delays Weed Resistance, extends the service life of herbicide.
Specific embodiment
Essence in order to better understand the present invention is described further the contents of the present invention below with reference to embodiment,
But limitation of the present invention cannot be considered as, the following description is only for the purpose of explaining the present invention, for without departing from spirit of that invention and principle
Modification, replacement or the improvement made, fall within the scope of the claimed invention.
One, example of formulations
Embodiment 1: when the present composition is dispersible oil-suspending agent, each component content are as follows:
Flucarbazone 3%
The different monooctyl ester 40% of 2 first, 4 chlorine
Azoles humulone 5%
Fatty alcohol polyoxyethylene ether 5%
Crodaret 10%
Organobentonite 1%
Methyl oleate polishing is to 100%
The specific procedure of processing of oil-suspending agent can be dispersed in the composition are as follows: by above-mentioned formula that methyl oleate, 2 first, 4 chlorine is different
Monooctyl ester and dispersing agent, thickener, emulsifier mixing, are uniformly mixed through high speed shear, flucarbazone and azoles humulone are added, continues to cut
Cut mixing, subsequently into being ground in horizontal sand mill, make preparation partial size all in 10um hereinafter, be made it is of the present invention containing
The dispersible oil-suspending agent of two flucarbazones, the different monooctyl ester of 2 first, 4 chlorine and azoles humulone.
Embodiment 2: when the present composition is suspoemulsion, each component content are as follows:
Flucarbazone 4%
The different monooctyl ester 45% of 2 first, 4 chlorine
Azoles humulone 6%
Fatty alcohol polyoxyethylene ether 2%
EO-PO block polyether 2%
Alkyl phenol alcohol ether phosphate 4%
Xanthan gum 0.1%
Propylene glycol 4%
Defoaming agent 0.1%
Water polishing is to 100%
The specific procedure of processing of the composition suspoemulsion are as follows: press the different monooctyl ester of dimethyl tetrachloride and alkyl phenolic alcohol in above-mentioned formula
Ether phosphate mixes, and being added under stirring condition is suitable for water, cutter is opened when closing on phase inversion point, dimethyl tetrachloride is made in high speed dispersion
The part different monooctyl ester EW；Wetting agent, dispersing agent, antifreezing agent, defoaming agent, suitable water are mixed evenly by above-mentioned formula, added
Enter flucarbazone and azoles humulone, continues shearing and mix, subsequently into grinding in horizontal sand mill, make partial size all in 5um or less
The part SC is made, and is transferred to the part above-mentioned dimethyl tetrachloride different monooctyl ester EW, shearing mixes, and is made of the present invention containing fluorine azoles sulphur
Grand, 2 first, 4 chlorine different monooctyl ester and azoles humulone suspoemulsion.
Embodiment 3: when the present composition is wettable powder, each component content are as follows:
Flucarbazone 5%
The different monooctyl ester 47% of 2 first, 4 chlorine
Azoles humulone 5%
White carbon black 30%
Lauryl sodium sulfate 3%
Sodium lignin sulfonate complements to 100%
The specific procedure of processing of the composition wettable powder are as follows: mix the different monooctyl ester of 2 first, 4 chlorine and white carbon black by above-mentioned formula
It closes, makes the different monooctyl ester absorption of 2 first, 4 chlorine completely, flucarbazone, azoles humulone and dispersing agent, wetting agent mixing are added at this time, is stirring
Uniform stirring in kettle is uniformly mixed after air-flow crushing, can be prepared by of the present invention different pungent containing flucarbazone, 2 first, 4 chlorine
The wettable powder of ester and azoles humulone.
Embodiment 4: when the present composition is wettable powder, each component content are as follows:
Flucarbazone 4%
The different monooctyl ester 50% of 2 first, 4 chlorine
Azoles humulone 6%
White carbon black 30
Lauryl sodium sulfate 3%
Sodium lignin sulfonate complements to 100%
The specific procedure of processing of the composition wettable powder are as follows: mix the different monooctyl ester of 2 first, 4 chlorine and white carbon black by above-mentioned formula
It closes, makes the different monooctyl ester absorption of 2 first, 4 chlorine completely, flucarbazone, azoles humulone and dispersing agent, wetting agent mixing are added at this time, is stirring
Uniform stirring in kettle is uniformly mixed after air-flow crushing, can be prepared by of the present invention different pungent containing flucarbazone, 2 first, 4 chlorine
The wettable powder of ester and azoles humulone.
Two, toxicity measures
1, Application Example 1: fluorine pyrrole acyl grass amine and the different monooctyl ester of fluroxypyr and its mixed composition are miscellaneous to wheat paddock
The biological activity determination report of grass
Experiment purpose: fluorine pyrrole acyl grass amine is measured under the conditions of greenhouse pot culture and is mixed with the different monooctyl ester of fluroxypyr and its Bu Tong
With composition to herba bromi japonici and the fresh weight preventive effect after Descurainia sophia 14 days, and its synergy is had rated, is opened for the dosage form of Mixed Pharmacy
Hair and agriculture chemical registration field control effectiveness test provide scientific basis.
For examination target: herba bromi japonici (BromusjaponicusThunb.) and Descurainia sophia (Descuminia sophia(L.)
Webb.Ex Prantl).
Calculate fresh weight preventive effect.(NY/T1155.7-2006)
Synergy evaluation method: evaluating herbicide synergy (NY/T1155.7-2006) according to Colby method, public
Formula is as follows:
A: Relative fresh weight preventive effect when flucarbazone is with single dose dosage；
Relative fresh weight preventive effect when the different monooctyl ester of 4 chlorine of B:2 first is with single dose dosage；
C: Relative fresh weight preventive effect when azoles humulone is with single dose dosage；
E0: theoretical Relative fresh weight preventive effect when three kinds of pendimethalin, oxadiazon, chlortoluron pharmacy mix；
E: Relative fresh weight preventive effect when three kinds of pendimethalin, oxadiazon, chlortoluron pharmacy mix；
Evaluation criterion: as E- E0When > 10%, synergistic effect is shown as；As -10% < E- E0When < 10%, show as being added
Effect；As E- E0When < -10%, antagonism is shown as.Test result is shown in Table 1.
As can be seen from Table 1, it is more respectively applied alone and is compared to small after fluorine pyrrole acyl grass amine is mixed with the different monooctyl ester of fluroxypyr
Wheatland herba bromi japonici and Descurainia sophia have extraordinary preventive effect, have notable synergistic effect, are worth promoting and applying in production.
2, field control effectiveness test
2.1 tests one: this test is located at Liaocheng of Shandong Province Dongchangfu District bucket Hu Tun, sandy loam, PH6.6, organic matter
1.2%, medium fertility, it is good that water pours condition.Spraying period is on 2 21st, 2016, and weather is fine, temperature -2 ~ 8 DEG C.Wheat product
It kind is Jimai 22, wheat is in the 3-4 leaf phase when spray, and weeds are in the 2-4 leaf phase, and field main weeds type is herba bromi japonici (covering
Degree accounts for entire weed community 54%).It 67 square metres of plot area, is repeated 4 times, random district's groups arrangement.15 days, 30 after medicine
Its investigation preventive effect.Test result is shown in Table 2:
Field control effectiveness test result show the different monooctyl ester of 2 first of single dose, 4 chlorine and azoles humulone to herba bromi japonici almost without preventive effect, in fluorine
Azoles sulphur is grand, after the different monooctyl ester of 2 first, 4 chlorine and azoles humulone mixture, good to wheat field brome grass preventive effect, and production-increasing function is obvious, with
Within the scope of medicine, do not find there is phytotoxicity generation to wheat, it is seen then that the compounding of flucarbazone, the different monooctyl ester of 2 first, 4 chlorine and azoles humulone is worth
It is promoted and applied in production.
2.2 tests two: this test is located at Liaocheng of Shandong Province Dongchangfu District road junction paving, sandy loam, PH6.7, organic matter
1.3%, medium fertility, it is good that water pours condition.Spraying period is on 2 22nd, 2016, and weather is fine, temperature -2 ~ 9 DEG C.Wheat product
It kind is Jimai 22, wheat is in the 3-4 leaf phase when spray, and weeds are in the 3-4 leaf phase, and field main weeds type is that Descurainia sophia (covers
Cover degree accounts for entire weed community 75%).It 67 square metres of plot area, is repeated 4 times, random district's groups arrangement.15 days after medicine,
30 days investigation preventive effects.Test result is shown in Table 2:
After field control effectiveness test result shows flucarbazone, the different monooctyl ester of 2 first, 4 chlorine and azoles humulone mixture, ma is broadcast to wheat paddock
Wormwood artemisia preventive effect is good, and production-increasing function is obvious, in scope of medication, does not find there is phytotoxicity generation to wheat, it is seen then that fluorine azoles sulphur
The compounding of grand, the different monooctyl ester of 2 first, 4 chlorine and azoles humulone is worth promoting and applying in production.
The illustrative embodiments that above-described embodiment uses only for illustrating inventive principle, however the present invention is not limited only to
This, those skilled in the art can make various improvement and change in the case where not departing from real situation of the present invention, these improve and become
More also belong to protection scope of the present invention.
Claims (7)
1. a kind of herbicidal composition, which is characterized in that active constituent include flucarbazone, the different monooctyl ester of 2 first, 4 chlorine, azoles humulone, three
The weight ratio of person is 1~3:1~60:1~3.
2. herbicidal composition according to claim 1, which is characterized in that the flucarbazone, the different monooctyl ester of 2 first, 4 chlorine, azoles
The weight ratio of humulone is preferably 1~2:20~30:2~3.
3. herbicidal composition according to claim 1 or 2, which is characterized in that the herbicidal composition also includes
Conventional auxiliary element in Pesticide formulation.
4. herbicidal composition according to claim 1 or 2, which is characterized in that the herbicidal composition also includes
One or more other agricultural active ingredients.
5. herbicidal composition according to claim 4, which is characterized in that other agricultural active ingredients are safety
Agent.
6. herbicidal composition described in -5 any one is used to prevent and kill off the purposes of noxious plant according to claim 1.
7. purposes according to claim 6, which is characterized in that the noxious plant is grass family and broadleaf weeds.
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