CN105994290B - A kind of Herbicidal combinations containing ring pyrrole fluorine humulone and aryl carboxylic acid class compound - Google Patents
A kind of Herbicidal combinations containing ring pyrrole fluorine humulone and aryl carboxylic acid class compound Download PDFInfo
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- CN105994290B CN105994290B CN201610454263.9A CN201610454263A CN105994290B CN 105994290 B CN105994290 B CN 105994290B CN 201610454263 A CN201610454263 A CN 201610454263A CN 105994290 B CN105994290 B CN 105994290B
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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
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/36—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids
- A01N37/38—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids having at least one oxygen or sulfur atom attached to an aromatic ring system
- A01N37/40—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids having at least one oxygen or sulfur atom attached to an aromatic ring system having at least one carboxylic group or a thio analogue, or a derivative thereof, and one oxygen or sulfur atom attached to the same aromatic ring system
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- 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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- Agronomy & Crop Science (AREA)
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- Health & Medical Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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Abstract
The present invention relates to technical field of pesticide, more particularly to a kind of Herbicidal combinations containing ring pyrrole fluorine humulone and aryl carboxylic acid class compound, the Herbicidal combinations include two kinds of active components, wherein active components A is ring pyrrole fluorine humulone, active ingredient B is aryl carboxylic acid class compound fluroxypyr, the different monooctyl ester of fluroxypyr, fluorine chloropyridine ester, trichlopyr, clopyralid, picloram, one or more of Mediben, and the weight percent of two kinds of active ingredients in the composition is 1% 95%.The Herbicidal combinations can effectively prevent and kill off the broad leaved weeds such as wheat paddock annual gramineous weed amur foxtail, Alopecurus, big fringe amur foxtail and Descurainia sophia, ox chickweed, clearvers, shepherd's purse, and efficiency solves the broad leaved weeds such as grassy weeds and Descurainia sophia, shepherd's purse, clearvers such as amur foxtail, Alopecurus of resistance and multiresistance.
Description
Technical field
The invention belongs to technical field of pesticide, and in particular to a kind of containing ring pyrrole fluorine humulone and aryl carboxylic acid class compound
Herbicidal combinations.
Background technology
Aryl carboxylic acid class herbicide is hormone herbicide, and mechanism of action is uptake and translocation, after spraying, by weeds
Root, stem, leaf absorb quickly, are accumulated in growing point and grow vigorous part, hinder plant hormone activity in plant body, cause weeds
It is dead.It is poor to wheat paddock security during exclusive use, easily there is plant and earthward tilt, wheat strain is into shape of crawling, under blade elongates
It drapes over one's shoulders and waits victimization states, and then cause the underproduction.
Ring pyrrole fluorine humulone is new HPPD classes herbicide, by inhibiting the activity of HPPD, turns p-hydroxybenzene pyruvic acid (HPP)
It turns to alcapton process to be obstructed, can not normally be synthesized so as to cause tocopherol and plastoquinone, influence carotenoid in target body and close
Into blade is caused to whiten.The different mechanism of action, ring pyrrole fluorine humulone solve weeds of wheat to ALS and ACCase inhibitor
The resistance to the action of a drug and multiresistance problem, can effectively solve the grassy weeds such as amur foxtail, the Alopecurus of resistance and multiresistance
And the broad leaved weeds such as Descurainia sophia, ox chickweed.
It is means the most economical and effective during farmland weed is prevented and kill off using herbicide chemical weed control.But long-term continuous high agent
The problems such as using to amount single variety or the chemical herbicide of the single mode of action, be easy to causeing weeds drug resistance and resistance evolution.
The reasonable compounding or mixture of herbicidal compounds, which have, to be expanded weeds spectrum, improves preventive effect, delays weeds drug resistance and anti-medicine
The advantages that generation and development of property, be one of maximally efficient method to solve the above problems.
The content of the invention
The purpose of the present invention is：The characteristic of coupling collar pyrrole fluorine humulone and in the prior art existing for aryl carboxylic acid class herbicide
Defect provides a kind of complex herbicidal composition containing ring pyrrole fluorine humulone and aryl carboxylic acid class compound, realizes that expanding farmland kills
Grass spectrum, reduces usage amount, improves safety in utilization, and imitates the purpose for preventing and kill off resistant weed.
To realize above-mentioned technical purpose, the present invention is achieved through the following technical solutions：
A kind of Herbicidal combinations containing ring pyrrole fluorine humulone and aryl carboxylic acid class compound, it is characterised in that：It lives including effect
Property ingredient A and active ingredient B：Wherein active components A is ring pyrrole fluorine humulone, and active ingredient B is aryl carboxylic acid class compound chlorine fluorine
The different monooctyl ester of pyrrole fluoroacetic acid, fluroxypyr, fluorine chloropyridine ester, trichlopyr, clopyralid, picloram, wheat
One or more of grass fear.
Wherein, the mass ratio of active components A and active ingredient B are 1-100：1-100, it is preferable that effective active composition A with
The mass ratio of B is 1-20：The weight ratio of 1-20, more preferable A and B are 1-10:1-10 is living in the range of the mass ratio limited
Property ingredient A and active ingredient B mixtures obtain synergistic technique effect.
Active components A and B account for the 1-95% of total composition, preferably 10-80% in the Herbicidal combinations.In general, this
The Herbicidal combinations of invention include the active ingredient of 1-95 parts by weight and the pesticide conven-tional adjuvants of 5-99 parts by weight, and auxiliary agent, which refers to, to be helped
In carrier, surfactant, safener of active ingredient application etc..
The carrier is pesticide industry often with substance, such as clay, silicate, water, alcohols, silica, resin.
The surfactant may include emulsifier, dispersant or wetting agent, be that pesticide industry often uses substance, such as poly- third
The salt of olefin(e) acid, lignosulfonates, the salt of phenolsulfonic acid or naphthalene sulfonic acids, the polymer of alkylphenol or aryl phenol, sulphation
Fatty alcohol glycol ether, laruyl alcohol polyglycol ether acetal, sorbitol ester, lignin sulfite waste liquor and protein, denaturation
Albumen, polyvinylamine, polyvinylpyrrolidone and its copolymer.A kind of surfactant is at least needed to exist, to be conducive to live
Property ingredient in water scattered and be conducive to enable them to correctly be applied to plant.
The Herbicidal combinations also containing various other components, as protecting colloid, adhesive, thickener, thixotropic agent,
Bleeding agent, stabilizer, chelating agent, dyestuff, colorant and polymer.
The composition of the present invention can be used through dilution or directly before use by user.It, which is prepared, to be added by common
Work method prepare, i.e., after active material is mixed with liquid flux or solid carrier, add surfactant such as dispersant, surely
Determine one or more of agent, wetting agent, adhesive, antifoaming agent etc..
The specific preparation of the Herbicidal combinations is missible oil, suspending agent, microemulsion, suspension emulsion, aqueous emulsion, dispersible oil are outstanding
Floating agent, wettable powder or water dispersible granules.
Comprising following constituent content when wettable powder is made in composition：Active components A 1~65%, active ingredient B 2
~40%, dispersant 5~10%, wetting agent 2~12%, filler surplus.
Composition includes following constituent content when water dispersible granules are made：Active components A 1~70%, active ingredient B1~
60%th, dispersant 3~15%, wetting agent 1~10%, disintegrant 1~10%, binding agent 1~10%, filler surplus.
Composition includes following constituent content when suspending agent is made：Active components A 0.5~45%, active ingredient B0.5~
40%th, dispersant 2~10%, wetting agent 2~12%, antifoaming agent 0.1~3%, binding agent 0.3~2%, antifreeze 0.5~
8%th, deionized water adds to 100%.
Composition includes following constituent content when suspension emulsion is made：Active components A 0.5~45%, active ingredient B 0.5
~36%, emulsifier 4~10%, dispersant 3~9%, antifoaming agent 0.1~3%, thickener 0.1~5%, antifreeze 0.1~
10%th, stabilizer 0.1~3%, water add to 100%.
Composition includes following constituent content when aqueous emulsion is made：Active components A 2%~38%, active ingredient B 1%
~40%, solvent 2%~10%, emulsifier 2%~10%, dispersant 1%~10%, emulsifier 0.5%~5%, antifreeze
0.1%~10%, antifoaming agent 0.1%~4%, thickener 0.1%~4%, deionized water add to 100%.
Composition includes following constituent content when microemulsion is made：Active components A 0.5%~45%, active ingredient B
0.5%~36%, emulsifier 5%~15%, solvent 2%~15%, antifreeze 5%~15%, stabilizer 0.5%~5%, go
Ionized water adds to 100%.
In further preferred form of implementation, the composition contains safener C, the safener C and is selected from pyrazoles solution
Careless ester, cloquintocetmexyl, isoxadifen, cyclopropyl-sulfonylamide, naphthalic anhydride, chlorine oxalene peace, R-28725, AD-67, CGA-
154281st, CGA-43089, CGA-43089, Hoe-70542, benoxacor, flurazole, BAS-145138, MON-13900, quinoline
One or more in derivative, 2,4-D, new Antidote T and gibberellin.
The Herbicidal combinations of the present invention can be applied to by the method for spraying on pending plant leaf blade, pass through field medicine
Effect experiments have shown that, in the 3 leaf phase of wheat to period of seedling establishment, weeds 1-4 leaves not grade phases, wheat has no poisoning disease from dispenser to maturity period
Shape, to wheat safety.The preventive effect of weeds reaches more than 90% in 45 days, and with the increase of dosage, preventive effect substantially increases, and can control
The generality weeds such as clearvers, shepherd's purse, corn gromwell, Descurainia sophia, amur foxtail, big fringe amur foxtail in fabrication entire growth period,
A variety of Herbicide-resistant weeds such as Descurainia sophia, ox chickweed, amur foxtail, Alopecurus can be effectively prevented and kill off again, and it is environmentally friendly, under
Stubble crop is without influence.
Specific embodiment
With reference to specific embodiment, the present invention will be further described, but these examples are not intended to limit the model of the present invention
It encloses.In addition any change that those of ordinary skill in the related art are the present invention without departing from the essence of the present invention, all will
Equivalence falls in claims of the present invention limited range.
1st, embodiment
1.1) 10% ring pyrrole fluorine humulone fluroxypyr microemulsion
Formula composition is：Ring pyrrole fluorine humulone 5%+ fluroxypyr 5%+ cyclohexanone 10%+ isopropanol 10%+ isooctanol
4%+ maleic di-sec-octyl sodium sulfonate 10%+ phenethyl phenol polyethenoxy ether 10%+ phenethyl phenol polyethenoxy ether formaldehyde trees
Fat condensation product 5%+ deionized waters are supplied.
Process equipment：Vacuum pump, batching kettle, storage tank.
Process：By in active compound and solvent input batching kettle, stirring and dissolving adds in emulsifier to fully transparent afterwards,
It stirs evenly, finally plus water, stirs fully transparent to solution, after chemical examination is qualified, it is filling to be transferred to storage tank.
1.2) the 10% different monooctyl ester aqueous emulsion of ring pyrrole fluorine humulone fluroxypyr
Formula composition is：The different monooctyl ester 5%+ cyclohexanone 10%+150# solvent naphthas of ring pyrrole fluorine humulone 5%+ fluroxypyrs
10%+ phenethyl phenol polyethenoxy ether phosphate triethanolamine salt 3%+ phenethyl phenol polyethenoxy ether 2%+ castor oil polyoxy second
Alkene ether 3%+ ethylene glycol 3%+ deionized waters complement to 100%.
Process equipment：Vacuum pump, batching kettle, storage tank, cutting kettle.
Process：By in active compound and solvent input batching kettle, stirring and dissolving adds in emulsifier to fully transparent afterwards,
Oil phase is stirred for, ethylene glycol, antifoaming agent and water are pumped into cutting kettle afterwards, finally under shearing condition, oil phase is delayed
It is slow to be pumped into cutting kettle, after whole materials are pumped into, continue to shear 1 hour, after chemical examination is qualified, it is filling to be transferred to storage tank.
1.3) 11% ring pyrrole fluorine humulone fluorine chloropyridine emulsifiable concentrate
Formula composition is：Ring pyrrole fluorine humulone 10%+ fluorine chloropyridine ester 1%+ calcium dodecyl benzene sulfonate 5%+ phenethyl phenols
Polyoxyethylene ether 10%+100# aromatic solvent naphthas are supplied.
Process equipment：Vacuum pump, batching kettle, storage tank.
Process：All materials are put into batching kettle, stirring and dissolving after chemical examination is qualified, is transferred to fully transparent
Storage tank is filling.
1.4) 22% ring pyrrole fluorine humulone trichlopyr suspending agent
Formula composition is：+ 2% pull open powder of ring pyrrole fluorine humulone 6%+ trichlopyr 16%+5%EO-PO block polyethers+
0.2%+5% glycerine of xanthans+deionized water is supplied.
Process equipment：Mixing kettle, colloid mill, sand mill, cutter etc..
Process：All materials are put into mixing kettle, colloid mill are crossed after being stirred, afterwards into sand mill three-level
It is sanded, is finally sheared in cutter uniformly, after chemical examination is qualified, it is filling to be transferred to storage tank.
1.5) 10% ring pyrrole fluorine humulone clopyralid water dispersible granules
Formula composition is：Ring pyrrole fluorine humulone 5%+ clopyralid 5%+ polycarboxylic acid salt dispersant 10%+ pull open powders 5%
+ polyvinyl alcohol 1%+ filler diatomite is supplied.
Process equipment：Airslide disintegrating mill, coulter type mixer, basket comminutor, drying box, screening machine etc..
Process：Above-mentioned material was uniformly mixed air-flow crushing, water is added to enter to mediate granulation, dries, finally sieves afterwards
Get finished product.
1.6) 15% ring pyrrole fluorine humulone picloram aqueous emulsion
Formula composition is：Ring pyrrole fluorine humulone 5%+ picloram 10%+ cyclohexanone 7.5%+150# solvent naphthas 7.5%+
Phenethyl phenol polyethenoxy ether phosphate triethanolamine salt 3%+ phenethyl phenol polyethenoxy ether 2%+ castor oil polyoxyethylene ethers
3%+ ethylene glycol 3%+ deionized waters complement to 100%.
Process equipment：Vacuum pump, batching kettle, storage tank, cutting kettle.
Process：By in active compound and solvent input batching kettle, stirring and dissolving adds in emulsifier to fully transparent afterwards,
Oil phase is stirred for, ethylene glycol, antifoaming agent and water are pumped into cutting kettle afterwards, finally under shearing condition, oil phase is delayed
It is slow to be pumped into cutting kettle, after whole materials are pumped into, continue to shear 1 hour, after chemical examination is qualified, it is filling to be transferred to storage tank.
1.7) 15% ring pyrrole fluorine humulone Mediben missible oil
Formula composition is：Ring pyrrole fluorine humulone 6%+ Mediben 9%+ dimethyl sulfoxide (DMSO) 5%+ dialkyl benzene sulfonic acids calcium 5%+ benzene
Ethyl phenol polyethenoxy ether 10%+100# aromatic solvent naphthas are supplied.
Process equipment：Vacuum pump, batching kettle, storage tank.
Process：All materials are put into batching kettle, stirring and dissolving after chemical examination is qualified, is transferred to fully transparent
Storage tank is filling.
2nd, the test of pesticide effectiveness
2.1 experiment condition
2.1.1 for examination target
Shepherd's purse (Capsella bursa-pastoris), ox chickweed (Malachium aquaticum), amur foxtail
(Alopecurus aequalis) picks up from Shandong Province Tai'an proving ground wheat paddock.
Above-mentioned weeds use pot-culture method culture, with 180 х 140mm plastic nutrition bowls, are placed in enamel tray, built-in from agriculture
The topsoil for backing through and air-drying sieving is adopted in field, and soil moisture initial stage is controlled 20%, selects the homogeneous ruderal species of full seed
Son, with 25 DEG C of warm water impregnate 6 it is small when, the vernalization in 28 DEG C of biochemical cultivation cases (dark) is uniform by the weed seed just to have showed money or valuables one carries unintentionally
Soil surface is placed in, then earthing 0.7cm.Chemicals treatment is placed on culture in controllable heliogreenhouse, periodically in enamel tray
A certain amount of water is added in, keeps ground moistening.
2.1.2 condition of culture
It is carried out in controllable heliogreenhouse, 18~30 DEG C of temperature, natural lighting, relative humidity 57%~72%.
Soil types is loam, the content of organic matter 1.63%, pH=7.1, alkali-hydrolyzable nitrogen 84.3mg/kg, rapid available phosphorus
38.5mg/kg, available potassium 82.1mg/kg.
2.1.3 instrument and equipment
3WP-2000 type walking spray towers, Nanjing Agricultural Machinery Inst., Ministry of Agriculture.GA110 type a ten thousandth electronics day
Flat (Germany)；ZDR2000 intelligent datas recorder (Hangzhou Ze great Instrument Ltd.)；SPX type Intelligent biochemistry incubators (Ningbo
Jiangnan instrument plant).
2.2 experimental design
2.2.1 reagent
Required active ingredient B is commercially available active compound, and active components A is ring pyrrole fluorine humulone, and the compound is clear former anti-for Qingdao
Property control of weeds Co., Ltd production.
Active compound using acetone as solvent, is diluted, current existing dilution with 0.1% emulsifier T-80 aqueous solutions of content.
2.2.2 test process
Dosage is set
In definite active components A and when active ingredient B each groups distribution ratio or content, should from the action characters of two kinds of medicaments and
The measurements such as its virulence, it is also contemplated that the main purpose of usage of the formula.This research is on the basis of prerun early period, if active ingredient
A, active ingredient B is applied alone and mixes dosage and is shown in Table lattice respectively.To be free of medicament, the water containing same solvent and emulsifier as blank
Control.
Experiment repeats
Often processing is repeated 4 times, and often handles 3 basins every time, and weed seed 20 is sowed per basin, often handles totally 60 plants.
2.2.3 processing mode
Experiment shares medicine 1 time.It treats 1 heart stage of 2 leaf of weeds, thinning, keep 15 plants of weeds in per basin, often processing retains 45 plants,
It then proceedes to cultivate to shepherd's purse 3-4 leaf phases, 1 heart stage of 3 leaf of ox chickweed, Alopecurus 3-5 leaf phases and be handled.
2.3 test method
Using pot-culture method.Weeds culture is shown in 2.1, reference《Farm-chemical indoor determination test rule herbicide》It carries out, adopts
With cauline leaf process method.
2.4 data surveys and statistical analysis
2.4.1 investigation method
Using absolute number investigation method, the survival whole strain seedling of weeds is cut off along soil surface with blade, is weighed with assay balance
Weeds fresh weight.It is based on zero by fresh weight for dead weeds.
2.4.2 data statistic analysis
The theoretical fresh weight inhibition rate (E0=X+Y-X*Y/100) of each processing hybrid combining, Ran Houyu are calculated with Gowing methods
Actual measurement inhibiting rate (E) compares, the mixed synergy type to weeds of both evaluations, makees when E-E0 values are more than 10% for synergy
With, less than -10% be antagonism, be addition between -10%~10%.It is and special according to actual preventive effect and herbicide
The factors such as point, the balance being formulated determine optimum proportioning.
X is fresh weight inhibition rate when active components A dosage is P in formula；Y is that fresh weight when active ingredient B dosages are Q inhibits
Rate.
Herbicidal combinations are to the actual preventive effect of weeds as a result, statistical result see the table below：
Table 1：Embodiment 1.1 is to the actual preventive effect and synergy effect (Gowing methods) of weeds
Table 2：Embodiment 1.2 is to the actual preventive effect and synergy effect (Gowing methods) of weeds
Table 3：Embodiment 1.3 is to the actual preventive effect and synergy effect (Gowing methods) of weeds
Table 4：Embodiment 1.4 is to the actual preventive effect and synergy effect (Gowing methods) of weeds
Table 5：Embodiment 1.5 is to the actual preventive effect and synergy effect (Gowing methods) of weeds
Table 6：Embodiment 1.6 is to the actual preventive effect and synergy effect (Gowing methods) of weeds
Table 7：Embodiment 1.7 is to the actual preventive effect and synergy effect (Gowing methods) of weeds
The Herbicidal combinations provided by the invention it can be seen from table 1-- tables 7：Active ingredient ring pyrrole fluorine humulone and aryl carboxylic
The mixtures such as acid compounds Mediben, fluroxypyr can effectively prevent and kill off wheat paddock broad leaved weeds ox chickweed, shepherd's purse and standing grain
Undergraduate course weeds amur foxtail, preventive effect is good, has significant synergies between active ingredient.
3rd, Safe to wheat is tested
Having carried out within 2015 that multiple spot is exemplary to promote experiment China wheat main producing region more.
Test method：After 3 leaf of wheat, 1 heart, the weeds 3-5 leaf phases, hand sprayer, 15 kilograms/667m2 of the amount of being watered, use
Cauline leaf spraying even spraying, often processing are repeated 4 times, and Safe to wheat situation is shown in Table 8.
8 field demonstration Safe to wheat situation of table
Poisoning is classified：1 grade：Plant growth is normal, without any damage symptoms；
2 grades：The slight poisoning of crop, poisoning are less than 10%；
3 grades：The medium poisoning of crop can recover, not influence yield later；
4 grades：Chemical injury of crops is heavier, it is difficult to recover, cause the underproduction；
5 grades：Chemical injury of crops is serious, it is impossible to recover, cause Severe Reduction or total crop failure；
As can be seen from Table 8, the present composition is good to wheat paddock security, and dosage is few, can effectively reduce aryl carboxylic
The problem of poor to Safe to wheat is used alone in acid herbicides.
4th, crop field field preventive effect
45d after medicine, to the fresh weight preventive effect of various weeds.
9 field demonstration preventive effect of table
As can be seen from Table 9, the present composition is good to wheat paddock broad weed-killing spectrum, preventive effect, and dosage is few, can be effective
Reduction aryl carboxylic acid class herbicide exclusive use herbicide controlling spectrum is narrow, poor to preventive effects such as cruciferous weed Descurainia sophias, dosage is high
Problem.
5th, to aryl carboxylic acid class herbicide-resistant weeds preventing iron test
Experiment selects the seeds such as amur foxtail, Alopecurus, Descurainia sophia, ox chickweed to be collected in Shandong Province Tai'an in 2015
City, to aryl carboxylic acid class herbicide, there are the resistances to the action of a drug.
Test method：
Weed seed is unified into vernalization, by pretreatment for examination weed seed uniform broadcasting in soil surface.Dispenser is advanced
Seedling in the ranks, it is each to handle 4 basins examination material per basin final singling to 30 plants.Cauline leaf spraying treatment is carried out to weeds, investigates dead strain number,
Calculate weeds strain preventive effect (in table strain preventive effect be 4 repetitions average value), in experiment 45 days after statistical test situation.
Weeds strain preventive effect (%)=(clear water check plot weeds strain number-chemicals treatment district weeds strain number)/clear water check plot is miscellaneous
Careless strain number.
10 resistant weed preventing iron test result of table
As can be seen from Table 10, effective active composition A rings pyrrole fluorine humulone and aryl carboxylic acid class herbicide of the present invention are equal
There is no cross resistance, Herbicidal combinations of the present invention can effectively prevent and kill off wheat paddock multiresistance weeds Alopecurus, see wheat
The weeds such as ma, Descurainia sophia, ox chickweed.
By a large number of experiments and probing into, the removing containing ring pyrrole fluorine humulone and aryl carboxylic acid class compound given by the present invention
Careless composition, preventing and kill off general common broad leaved weed and annual gramineous weed for farmland has notable synergistic effect, especially
Have to weeds such as shepherd's purse, Descurainia sophia, ox chickweed, Alopecurus and significantly prevent and kill off effect, in addition, can effectively prevent and kill off to aryl carboxylic
Acid herbicides generate the weeds such as amur foxtail, Alopecurus, Descurainia sophia, ox chickweed of multiple resistance, there is no cross resistance,
Preventive effect protrudes, and has notable synergistic effect, while while usage amount is reduced, improves the security to crop, has very
Good application prospect.
Claims (7)
1. a kind of Herbicidal combinations containing ring pyrrole fluorine humulone and aryl carboxylic acid class compound, it is characterised in that：It includes weeding
Effective active composition A and active ingredient B, wherein active components A be compound ring pyrrole fluorine humulone, active ingredient B be aryl carboxylic
Acid compounds：The different monooctyl ester of fluroxypyr, fluroxypyr, fluorine chloropyridine ester, trichlopyr, dichloropyridine
One kind in acid, picloram, Mediben；
Wherein, the mass ratio of the active ingredient ring pyrrole fluorine humulone and active ingredient fluroxypyr is 2: 1~1: 2；
The mass ratio of the active ingredient ring pyrrole fluorine humulone and the different monooctyl ester of active ingredient fluroxypyr is 2: 1~1: 2；
The mass ratio of the active ingredient ring pyrrole fluorine humulone and active ingredient fluorine chloropyridine ester is 10: 1~40: 1；
The mass ratio of the active ingredient ring pyrrole fluorine humulone and active ingredient trichlopyr is 3: 4~3: 16；
The mass ratio of the active ingredient ring pyrrole fluorine humulone and active ingredient clopyralid is 2: 1~1: 2；
The mass ratio of the active ingredient ring pyrrole fluorine humulone and active ingredient picloram is 1: 1~1: 4；
The mass ratio of the active ingredient ring pyrrole fluorine humulone and active ingredient Mediben is 2: 1~1: 2.
2. Herbicidal combinations according to claim 1, it is characterised in that：Active components A and B are accounted in the Herbicidal combinations
The 1-95% of total composition.
3. Herbicidal combinations according to claim 2, it is characterised in that：Active components A and B are accounted in the Herbicidal combinations
The 10-80% of total composition.
4. Herbicidal combinations according to claim 1, it is characterised in that：The specific preparation of the Herbicidal combinations is breast
Oil, suspending agent, microemulsion, suspension emulsion, aqueous emulsion, dispersible oil-suspending agent, wettable powder or water dispersible granules.
5. Herbicidal combinations according to claim 1, it is characterised in that：The composition further includes safener C, described
Safener C is selected from mefenpyrdiethyl, cloquintocetmexyl, isoxadifen, cyclopropyl-sulfonylamide, naphthalic anhydride, chlorine oxalene peace, R-
28725th, AD-67, CGA-154281, CGA-43089, CGA-43089, Hoe-70542, benoxacor, flurazole, BAS-
145138th, the one or more in MON-13900,2,4-D, new Antidote T and gibberellin.
6. the Herbicidal combinations as described in claim 1-5 any one, it is characterised in that：The composition is used to prevent farmland
Injurious weed.
7. Herbicidal combinations according to claim 6, it is characterised in that：The farmland injurious weed be to ALS and
The multiresistance weeds that ACCase inhibitor class herbicides develop immunity to drugs.
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| CN106472517B (en) * | 2016-09-30 | 2018-11-02 | 江苏清原农冠杂草防治有限公司 | Synergistic herbicide compositions and its application |
| CN107810963A (en) * | 2017-11-09 | 2018-03-20 | 青岛清原化合物有限公司 | A kind of Herbicidal combinations of the fluorine of pyrrole containing ring humulone and its application |
| CN108157374B (en) * | 2018-02-01 | 2022-03-15 | 青岛清原化合物有限公司 | Ternary weeding composition and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997046530A1 (en) * | 1996-06-06 | 1997-12-11 | E.I. Du Pont De Nemours And Company | Herbicidal pyridinyl and pyrazolylphenyl ketones |
| CN105218449A (en) * | 2015-11-06 | 2016-01-06 | 青岛清原化合物有限公司 | Pyrazolone compound or its salt, preparation method, herbicidal composition and purposes |
| CN105638703A (en) * | 2016-03-15 | 2016-06-08 | 青岛清原化合物有限公司 | Application of weeding composition in barley fields |
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2016
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997046530A1 (en) * | 1996-06-06 | 1997-12-11 | E.I. Du Pont De Nemours And Company | Herbicidal pyridinyl and pyrazolylphenyl ketones |
| CN105218449A (en) * | 2015-11-06 | 2016-01-06 | 青岛清原化合物有限公司 | Pyrazolone compound or its salt, preparation method, herbicidal composition and purposes |
| CN105638703A (en) * | 2016-03-15 | 2016-06-08 | 青岛清原化合物有限公司 | Application of weeding composition in barley fields |
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