CN106719725A - A kind of Herbicidal combinations of Han metamifops and its application - Google Patents
A kind of Herbicidal combinations of Han metamifops and its application Download PDFInfo
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- CN106719725A CN106719725A CN201611103882.XA CN201611103882A CN106719725A CN 106719725 A CN106719725 A CN 106719725A CN 201611103882 A CN201611103882 A CN 201611103882A CN 106719725 A CN106719725 A CN 106719725A
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- metamifops
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- herbicidal combinations
- pyraclonil
- azoles humulone
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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
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
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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
- A01N43/64—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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/74—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,3
- A01N43/76—1,3-Oxazoles; Hydrogenated 1,3-oxazoles
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- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
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- General Health & Medical Sciences (AREA)
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
A kind of Herbicidal combinations of Han metamifops and its application, it includes herbicidal active component pyraclonil, metamifop and azoles humulone, wherein, pyraclonil accounts for the 1%~40% of the Herbicidal combinations gross weight, metamifop accounts for the 1%~40% of the Herbicidal combinations gross weight, azoles humulone accounts for the 0.1%~20% of the Herbicidal combinations gross weight, obvious Synergistic or addition are shown between the active component of the Herbicidal combinations, improve drug effect, lasting period extends, expand herbicidal spectrum, reduce dosage, so as to reduce drug cost, decrease the adverse effect to ecological environment.
Description
Technical field
The invention belongs to herbicide field, and in particular to a kind of Herbicidal combinations of Han metamifops and its application.
Background technology
Weeds in paddy field wins honour for, strives water and strive fertilizer with paddy rice, while the still vector of many pest and disease damages and habitat,
Cause rice yield reduction, quality decline.Paddy field weed grass is mutually complicated, and the multiclass such as grass family, broad-leaved and sedge weed is miscellaneous
The mixed life of grass, rice terrace crop smothering problem can not be fully solved using single variety herbicide, can show defect in a certain respect
And limitation.
Pyraclonil is the compound with Pyrazolopyridine ring found by Bayer A.G, is rice terrace weeding
Agent, its mechanism of action is proporphyrinogen oxidase inhibitor.It is to barnyard grass and simultaneous annual Ju Mang cyperus irias section
Firefly Lin, needle spikesedge herb, wide scope weeds have very for broad leaved weed Chinese herbaceous peony shape Monochoria korsakowii, Procumbent Falsepimpernel and wild arrowhead for many years, water chestnut etc.
Activity high, can effectively suppress the weeds of barnyard grass, broad leaved weed, sedge weed and resistance to sulfonylurea herbicide, but its is right
Part weeds, such as fake rice, effect on driving birds is not good.
Metamifop is the aryloxyphenoxypropanoates class herbicide developed by Chemical Engineering Technology research institute of South Korea, its effect machine
Reason is the activity for suppressing acetyl-CoA carboxylase, so as to suppress the synthesis of plant body fat acid.With most of such herbicides
The difference is that , metamifops to rice safety, are mainly used in transplanting and direct sowing rice field weeding, most of one can be admirably prevented and kill off
Year raw grassy weed, such as barnyard grass, moleplant seed, lady's-grass and eleusine indica.It is metamifop low toxicity, environmentally safe, with wide
General miscibilty, and other crops and Kill weeds are expected to be used for, it is a very promising herbicide, but it is to broad-leaved
It is substantially invalid with sedge weed.
Azoles humulone is the triazolineone herbicide developed by FMC Corp., and its mechanism of action presses down for proporphyrinogen oxidase
Preparation.15min is to be absorbed by plant leaf blade after spray, and it is not drenched with rain influences, and occurs as soon as poisoning symptom after 3~4h of weeds, 2~
4d is dead.Azoles humulone prevents and kill off broad leaved weed and sedge weed such as pig suitable for wheat, barley, paddy rice and seeding corn and other crops Tanaka
Calamity calamity, white dead nettle, Veronica, piemarker, pivots storage, lamb's-quarters, blank pipe are led a cow, red heart knotweed, pale persicaria, willow leaf thorn smartweed, volume stem smartweed, anti-branch
Amaranth, acalypha copperleaf, benbie, sowthistle, summer cypress, black nightshade and sinapsis alba etc..The weeds such as clearvers, piemarker, red heart knotweed, blank pipe are led a cow
With excellent preventive effect, the weeds of resistance are produced to sulfonylurea herbicide also has good activity of weeding, but it is to grass family
Weeds are invalid.
The content of the invention
The present invention is easy in order to solve, weeds undesirable to the actual preventive effect of paddy field weed when agricultural chemicals single dose is used alone
The problem for developing immunity to drugs, enriches the use range of choice of herbicide for paddy field kind.It is an object of the invention to provide one kind
The Herbicidal combinations of Han metamifops and its application, show significantly collaboration and increase between the Herbicidal combinations active component
Effect or addition, improve drug effect, lasting period extension, expand herbicidal spectrum, reduce dosage, so as to reduce medication into
This, decreases the adverse effect to ecological environment.
In order to achieve the above object, the present invention provides following technical scheme：
A kind of Herbicidal combinations of Han metamifops, its include herbicidal active component pyraclonil, metamifops and
Azoles humulone, wherein, 1%~40% , metamifops that pyraclonil accounts for the Herbicidal combinations gross weight account for the weeding group
The 1%~40% of compound gross weight, azoles humulone accounts for the 0.1%~20% of the Herbicidal combinations gross weight.
Further, it is described also containing the auxiliary agent allowed in pesticidal preparations in the Herbicidal combinations of the Han metamifops
Herbicidal combinations are configured to any one formulation allowed on agricultural chemicals.
Further, the auxiliary agent for being allowed in described pesticidal preparations is included but is not limited to：Solvent, emulsifying agent, wetting agent, dispersion
Agent, disintegrant, binding agent, antifreezing agent, thickener, preservative, defoamer, filler, carrier oil phase and water etc., are known substance
Matter, is all the various auxiliary agents commonly used in Pesticide formulation, is commercially available.
Preferably, the formulation is wettable powder, water dispersible granules, suspension emulsion or dispersibles oil-suspending agent.
Component of the wettable powder of the present invention comprising following weight content：The , metamifops of pyraclonil 1~30%
1~30%, azoles humulone 0.1~10%, solvent 0~10%, emulsifying agent 0~8%, wetting agent 0.5~5%, dispersant 1~
15%, filler is mended to 100%.
Component of the water dispersible granules of the present invention comprising following weight content：The , metamifops of pyraclonil 1~30%
1~30%, azoles humulone 0.1~10%, solvent 0~10%, emulsifying agent 0~8%, wetting agent 0.5~5%, dispersant 1~
15%, disintegrant 1~20%, binding agent 0.1~5%, defoamer 0~5%, filler is mended to 100%.
Component of the suspension emulsion of the present invention comprising following weight content：The , metamifops 1 of pyraclonil 1~30%~
30%, azoles humulone 0.1~10%, solvent 1~20%, emulsifying agent 1~10%, wetting dispersing agent 1~10%, antifreezing agent 1~
10%, thickener 0.1~5%, preservative 0.1~3%, defoamer 0.1~5%, water is mended to 100%.
It is of the present invention to dispersible component of the oil-suspending agent comprising following weight content：The , oxazole acyls of pyraclonil 1~30%
Careless amine 0.1~30%, azoles humulone 1~10%, emulsifying agent 10~25%, dispersant 0~5%, thickener 0.1~5%, carrier oil
Mutually mend to 100%.
Herbicidal combinations of the present invention can be used to preventing and kill off rice terrace or transplanted rice field is annual and perennial weeds, bag
Include but be not limited to grassy weed, broad leaved weed and sedge weed.
Azoles humulone active compound is viscous liquid, and mobility is very poor, is easily caused production and feeds intake and mix difficulty.It is of the invention can
In WP and water dispersible granules, in order to solve the above problems, can be by azoles humulone active compound a certain proportion of solvent and emulsification
Agent dissolves, is emulsified into flowable liquids oil phase, and the oil phase is equal in mixing is adsorbed, stirred on unclassified stores by even spraying
It is even.Additionally, the method is also effectively improved the crush efficiency of material, the suspensibility and utilization rate of product are improve, so as to protect
The quality stability of product is demonstrate,proved.
Herbicidal combinations of the present invention are dispersibled in oil-suspending agent, the carrier that can have different solubilities using Dui metamifops
Oil phase is arranged in pairs or groups, and is mainly the oil phase larger to metamifop solubility and to the smaller oil phase collocation of metamifop solubility,
Make metamifop and exist with two states in oil-suspending agent, a part is dissolved in carrier oil phase, and another part is
It is suspended in carrier oil phase, the big oil phase of solubility can guarantee that that dissolved portion point metamifop will not be analysed at low temperature
Go out, can so be prevented effectively from Xi Chu metamifops under cryogenic conditions, it is ensured that the quality stability of product.
Herbicidal combinations of the present invention, generally using the application process for being watered foliar spray, it is also possible to adopt as needed
Technology is used with other agriculturally applied.
The present invention according to pyraclonil, metamifop and azoles humulone each the characteristics of, three has been carried out more deep
Composition research, it is found that three has more significant Synergistic or addition in the range of certain mixed ratio to weeds,
Rational compounded formula is filtered out after science mixture, the actual preventive effect to rice terrace crop smothering is effectively improved, expands herbicidal spectrum,
Dosage is reduced, drug cost is reduced, mitigates the pollution to environment, delay the development of herbicide resistance, time and labour saving, Ke Yizuo
It is a kind of preferable herbicide for paddy field, compensate for existing herbicide for paddy field deficiency present in actual application, increases
Using for the herbicides for use in paddy kind that adds water is selected.
In the present invention, the synergy of pyraclonil, metamifops and azoles humulone shows obvious Synergistic
Or addition, the average strain preventive effect of 15 days and 30 days and fresh weight preventive effect are all remarkably higher than three kinds all more than 90% after dispenser
Preventive effect when comparison medicament is used alone, improves drug effect, and lasting period extension expands herbicidal spectrum, reduces dosage, so that
Drug cost is reduced, the adverse effect to ecological environment is decreased.
Compared with prior art, the present invention has the advantages that：
1) Herbicidal combinations that the present invention is provided, expand herbicidal spectrum, and a drug can solve most of weed problems,
The defect and limitation when single dose is used are compensate for, the selection of herbicide for paddy field kind is enriched.
2) Herbicidal combinations that the present invention is provided, pyraclonil, metamifops and azoles humulone synergy, show compared with
Obvious Synergistic or addition, its herbicidal effect are significantly improved than single dose, dispenser dosage are reduced, so as to reduce
Drug cost, decreases the adverse effect to ecological environment.
3) pyraclonil, metamifops are different with azoles humulone herbicide effect mechanism, can overcome the single medicine of long-term use
Agent causes the shortcoming that herbicide resistance occurs, and extends the service life of medicament, is conducive to the comprehensive regulation of agricultural weed.
4) herbicide that the present invention is provided, lasting period extension is easy to use, time saving and energy saving, to rice safety.
Specific embodiment
Below in conjunction with specific embodiment, the invention will be further described, and unless otherwise indicated, all percentages are attached most importance to
Amount percentage.
Pyraclonil (pyraclonil or pyrazogyl) of the present invention, chemical entitled 1- (3- chloro- 4,5,6,7- tetra-
Hydrogen pyrazolo [1,5-a] pyridine -2- bases) -5- [methyl (Propargyl) amino] pyrazoles -4- nitriles, chemical structural formula is：
Suo Shu metamifops (metamifop), chemical name is (2R) -2- [4- [(the chloro- 2- Ben oxazolyls of 6-)] benzene oxygen
Base]-N- (2- fluorobenzene)-N- methyl propanamides, chemical structural formula is：
The azoles humulone (carfentrazone-ethyl), the chemical entitled chloro- 3- of ethyl -2- { 2- chloro- 5- [4- (difluoros
Methyl) -4,5- dihydro -3- methyl -5- oxygen -1H-1,2,4- triazol-1-yls] -4- fluorophenyls } ethyl propionate, chemical structural formula
For：
The production technology of the various application forms of Herbicidal combinations of the present invention can use prior art, no longer go to live in the household of one's in-laws on getting married herein
State.
Solvent of the present invention be toluene, dimethylbenzene, No. 100 solvent naphthas, No. 150 solvent naphthas, No. 180 solvent naphthas, No. 200
Solvent naphtha, cyclohexanone, DBE, NMP, DMSO, DMF, DMAC N,N' dimethyl acetamide, N, it is N- dimethyldecamides, methyl alcohol, ethanol, different
The mixture of one kind or any several arbitrary proportions in propyl alcohol and n-butanol.
Emulsifying agent of the present invention be dodecyl benzene sulfonate, APES, castor oil polyoxyethylene ether,
AEO, aliphatic acid polyethenoxy ether, sorbitol polyoxyethylene ether, phenethyl phenol polyethenoxy ether, alkyl phenol
Formaldehyde resin APEO, special phenethyl phenol formaldehyde resin APEO, triphenoethyl benzene phenol polyoxypropylene polyoxy second
One kind in alkene block polymer, triphenoethyl benzene phenol polyethenoxy polyoxypropylene block polymer and EO-PO block copolymers
Or the mixture of any several arbitrary proportions.
Wetting agent of the present invention is the one kind or any several in alkylnaphthalene sulfonate, alkyl sulfate and sulfonate
The mixture of meaning ratio.
Dispersant of the present invention is phosphoric acid ester, sulfuric acid ester, lignin or derivatives thereof sulfonate, naphthalene and alkylnaphthalene
Formaldehyde condensate sulfonate, polycarboxylate, EO-PO block copolymers, to methoxyl group fatty acyl amido benzene sulfonic acid sodium salt and trimerization phosphorus
The mixture of one kind or any several arbitrary proportions in sour sodium.
Disintegrant of the present invention is ammonium sulfate, sodium sulphate, sodium chloride, calcium chloride, urea and solid weak acid and weak base buffering
The mixture of one kind or any several arbitrary proportions in system, the solid weak acid and weak base buffer system is by citric acid and carbon
Hydrochlorate, citric acid and bicarbonate are ammonium sulfate and the buffer system of bicarbonate composition.
Binding agent of the present invention is carboxymethylcellulose calcium, polyethylene glycol, polyvinyl alcohol, polyvinylpyrrolidone, malt
The mixture of one kind or any several arbitrary proportions in dextrin, soluble starch, glucose, lactose and sucrose.
Antifreezing agent of the present invention is the one kind in ethylene glycol, propane diols, glycerine, urea, sodium chloride and polyethylene glycol
Or the mixture of any several arbitrary proportions.
Thickener of the present invention is the one kind or any several in organobentonite, aluminium-magnesium silicate, xanthans and white carbon
Plant the mixture of arbitrary proportion.
Preservative of the present invention is one kind or any several any ratios in benzoic acid, Sodium Benzoate, BIT20 and KF88
The mixture of example.
Defoamer of the present invention is organic silicon, higher alcohols, propylene glycol block polyether class and mineral oil defoaming agent
In one kind or any several arbitrary proportions mixture.
Filler of the present invention is kaolin, diatomite, attapulgite, bentonite, precipitated calcium carbonate, talcum powder, Hai Pao
The mixture of one kind or any several arbitrary proportions in stone, white carbon, polysaccharide and inorganic salts.
Carrier oil phase of the present invention is soybean oil, corn oil, peanut oil, rapeseed oil, castor oil, palm oil, esterification
Vegetable oil, methyl oleate, toluene, dimethylbenzene, No. 100 solvent naphthas, No. 150 solvent naphthas, No. 180 solvent naphthas, No. 200 solvent naphthas and
The mixture of one kind or any several arbitrary proportions in cyclohexanone.
Embodiment 1 (16% polybenzobisoxazole Cao Jing metamifop azoles humulones wettable powder)
The , metamifops 10% of pyraclonil 5%, azoles humulone 1%, dimethylbenzene 1.5%, calcium dodecyl benzene sulfonate
0.25%, APES OP-10 0.25%, lauryl sodium sulfate 1.5%, sodium lignin sulfonate 4%, diffusion
Agent NNO 4%, white carbon 10%, diatomite is mended to 100%.
The preparation method of the wettable powder is as follows：
(1) according to recipe requirements, by azoles humulone active compound, emulsifying agent (calcium dodecyl benzene sulfonate, APES
OP-10) and solvent (dimethylbenzene) is well mixed, oil base is obtained.
(2) by solid active compound (pyraclonil, metamifops), solid packing (white carbon, diatomite), wetting dispersing agent
(lauryl sodium sulfate, sodium lignin sulfonate and dispersing agent NNO) is well mixed, then is crushed through airslide disintegrating mill, is obtained
Butt.The smashing fineness control range of butt：By 45 μm of amount >=95% of testing sieve.
(3) by oil base by sprayer even spraying on butt, adsorb and be well mixed, after testing, packing obtains
16% polybenzobisoxazole Cao Jing metamifop azoles humulone wettable powders.
Embodiment 2 (23.4% polybenzobisoxazole Cao Jing metamifop azoles humulones water dispersible granules)
The , metamifops 8% of pyraclonil 15%, azoles humulone 0.4%, alkylnaphthalene sulfonate Morwet EFW 1.5%,
Polycarboxylate SP-2836 3%, alkyl naphthalene formaldehyde condensate sulfonates Morwet D-4255%, ammonium sulfate 10%, lactose
1.5%, organic silicon defoamer Tanafoam SLX 0.8%, white carbon 4%, kaolin is mended to 100%.
The preparation method of the water dispersible granules is：
Constituted according to formula, said components are well mixed carries out air-flow crushing together, through granulation, dry, screening, detection
23.5% polybenzobisoxazole Cao Jing metamifop azoles humulone water dispersible granules are obtained with packing.
Embodiment 3 (30% polybenzobisoxazole Cao Jing metamifop azoles humulones suspension emulsion)
The , metamifops 14% of pyraclonil 14%, azoles humulone 2%, No. 200 solvent naphthas 6%, phenethyl phenol polyoxyethylene
Ether 601 2%, castor oil polyoxyethylene ether BY-125 2%, APES NP-10P 2.5%, EO-PO blocks are total to
Polymers Atlox G5000 1.5%, phenethyl phenol phosphate triethanolamine salt Dispersogen LFS 4.5%, polyacrylic acid
Salt Atolx 4,913 1%, ethylene glycol 5%, aluminium-magnesium silicate 0.8%, xanthans 0.12%, Sodium Benzoate 0.12%, organosilicon disappears
Infusion SAG1522 0.5%, water is mended to 100%.
The preparation method of the suspension emulsion is as follows：
(1) preparation of missible oil part：According to recipe requirements, by azoles humulone active compound, No. 150 solvent naphthas, phenethyl phenol polyoxies
Vinethene 601, castor oil polyoxyethylene ether BY-125 and APES NP-10P are configured to missible oil part.
(2) aqueous suspension agent part is prepared：According to recipe requirements, by pyraclonil, metamifops, EO-PO block copolymerizations
Thing Atlox G5000, phenethyl phenol phosphate triethanolamine salt Dispersogen LFS, polyacrylate Atolx 4913, second
Glycol, aluminium-magnesium silicate, xanthans, Sodium Benzoate, organic silicon defoamer SAG 1522 and water are configured to aqueous suspension agent part.
(3) according to recipe requirements, missible oil part and aqueous suspension agent part are mixed in proportion, shearing is uniform, through inspection
Survey, packing is obtained 30% polybenzobisoxazole Cao Jing metamifop azoles humulone suspension emulsions.
Embodiment 4 (24.8% polybenzobisoxazole Cao Jing metamifop azoles humulones dispersible oil-suspending agent)
The , metamifops 6% of pyraclonil 18%, azoles humulone 0.8%, calcium dodecyl benzene sulfonate 7%, alkyl phenol polyoxy
Vinethene OP-10 6%, castor oil polyoxyethylene ether BY-125 5%, polycarboxylate SP-OF3472B 2%, organobentonite
1.8%, No. 150 solvent naphthas 15%, methyl oleate is mended to 100%.
The preparation method that this dispersibles oil-suspending agent is as follows：
(1) by emulsifying agent (calcium dodecyl benzene sulfonate, APES OP-10 and castor oil polyoxyethylene ether
) and dispersant (polycarboxylate SP-OF3472B) is added to equipped with quantitative carrier oil phase that (No. 150 molten according to formula rate BY-125
Agent oil and methyl oleate) reactor in, open agitating device and stir well mixed to material；
(2) to step 1) mixture in Yi Jia Ru metamifop and azoles humulone active compound, continue to stir mixed to dissolving
Close uniform；
(3) to step 2) mixture in sequentially add pyraclonil active compound and thickener (organobentonite), continue to stir
Mix to well mixed；
(4) by step 3) in the material that mixes go to horizontal sand mill and be sanded that (temperature of charge is tried one's best not during sand milling
More than 40 DEG C), size controlling scope after material sand milling：D98≤5μm；
(5) will be sanded terminate material go to transfer kettle, be uniformly mixed, after testing, packing i.e. obtain 24.8% pair
Azoles Cao Jing metamifop azoles humulones dispersible oil-suspending agent.
The indoor biological determination of activity of embodiment 5
1.1 experiment targets
Barnyard grass Echinochloa crus-galli (L.) P.Beauv. (field collection Seed storage)
Eclipta prostrata Eclipta prostrata (L.) L. (field collection Seed storage)
Cyperus iria Cyperus iria L. (field collection Seed storage)
1.2 reagent agents
97% pyraclonil active compound (commercially available, abbreviation A), 96% metamifop active compound (commercially available, abbreviation B) and 95% azoles grass
Ketone active compound (commercially available, abbreviation C)
1.3 instrument and equipments
Controllable heliogreenhouse；Electronic balance (sensibility reciprocal 0.1mg)；Accurate a set of 100-1000 μ L, 20-100 the μ L of liquid-transfering gun,
1-20μL；Potter spray towers；Beaker, graduated cylinder and plastic tub alms bowl are some.
1.4 experimental designs
1.4.1 soil is tested
Experiment is using the content of organic matter≤3%, the farmland topsoil that pH value is neutral, permeability is good, natural air drying, mistake
Sieve, is quantitatively filled at basin alms bowl 4/5.
1.4.2 examination material treatment
, then with dark gauze shading, will be placed in the culture dish for being covered with sponge for planting experimentally son first 40 DEG C of water seed soakings,
Being moistened with water carries out vernalization, is sowed after waiting seed to show money or valuables one carries unintentionally.Experiment soil is quantitatively filled at the 4/5 of basin, is then poured from basin bottom part,
Soil is set to moisten completely to saturation state.What will be pre-processed broadcasts sowing in soil for examination weed seed equal and quantitative, earthing 1.0cm,
Move into hot-house culture.Weeds emerge after thinning singling, grassy weed (barnyard grass) maintain about 15 plants/basin, broad leaved weed (Eclipta prostrata)
About 10 plants/basin, sedge weed (cyperus iria) 10 plants/basin, about treat that weeds are long was carried out to 2~4 leaf phases with Potter spray towers
Cauline leaf spraying treatment.
1.5 test procedures
1.5.1 medicament is prepared
Pyraclonil active compound is configured to 30g.a.i./hm respectively2、90g.a.i./hm2Two solution of concentration gradient.
Metamifop active compound is configured to 25g.a.i./hm respectively2、50g.a.i./hm2Two solution of concentration gradient.
Azoles humulone active compound is configured to 6g.a.i./hm respectively2、12g.a.i./hm2Two solution of concentration gradient.
The solution of each gradient of A, B and C is taken into 10mL combination of two respectively standby into 8 proportionings.
1.5.2 chemicals treatment
The atomisation pressure (15 pounds/square inch) of Potter spray towers demarcated, spouting liquid corrected, according to experimental design
Concentration gradient spraying treatment is carried out from low dosage to high dose, each 4 repetition for the treatment of and sets blank, the treatment per basin
It is 2mL liquids to measure, and controllable greenhouse culture is moved into after treatment.
1.6 investigation methods
Routine observation records the growth conditions of weeds after treatment, describes weeds damage symptoms, 14d growth inhibition assays after treatment
Investigation method investigation records activity of weeding, records weeds fresh weight.
1.7 data statistics and analysis
1.7.1 absolute value investigation method
According to survey data, the actual survival rate of each treatment is calculated by formula, unit is percentage (%).
Actual survival rate E (%)=(treatment region weeds fresh weight-check plot weeds fresh weight) * 100
1.7.2Colby method
By taking tri- kinds of pharmacy mix of A, B, C as an example, mixed theoretical survival rate is calculated by formula according to the above ratio：
E0=A*B*C/100(n-1)
A, B, C represent three kinds of actual survival rates of single dose respectively in formula, and n is mixture herbicide kind quantity.
E0-E>10% is synergistic effect；E0-E<- 10% is antagonism；E0- E values are addition between ± 10%.
1.8 result of the tests and discussion
Table 1 lists the synergy measurement result of pyraclonil, metamifops and azoles humulone mixture to barnyard grass, table 2
The synergy measurement result of pyraclonil, metamifops and azoles humulone mixture to Eclipta prostrata is listed, table 3 lists polybenzobisoxazole grass
The synergy measurement result of Jing, metamifops and azoles humulone mixture to cyperus iria.
Table 1
Can be seen that what pyraclonil, metamifop and azoles humulone ternary built were respectively processed from the result of the test of table 1
E0- E (%) is all higher than 10%, illustrates that three's compounding has synergistic function to barnyard grass.
Table 2
Can be seen that what pyraclonil, metamifop and azoles humulone ternary built were respectively processed from the result of the test of table 2
E0- E (%) is all higher than 10%, illustrates that three's compounding has synergistic function to Eclipta prostrata.
Table 3
Can be seen that what pyraclonil, metamifop and azoles humulone ternary built were respectively processed from the result of the test of table 3
E0- E (%) is substantially all between 0~10%, illustrates that three's compounding has obvious addition to cyperus iria.
The field control effectiveness test of embodiment 6
The Herbicidal combinations prepared using embodiment 1~4 prevent and kill off that transplanted rice field is annual and perennial weeds, adjust respectively
Look into the strain preventive effect and fresh weight preventive effect of 15 days and 30 days after dispenser, investigation result and the pyraclonil water-dispersible grain of comparison medicament 1.8%
Agent (commercially available), 10% metamifop wettable powder (commercially available), 10%% azoles humulone wettable powder (commercially available) compare, as a result
It is shown in Table 4~7.
Transplanted rice field tests field weed based on barnyard grass, false loosestrife, angustifolia arrowhead herb, difformed galingale herb.Arrange at random experimental plot
Row, each plot area is 25 square metres, and each treatment is repeated 4 times.
Drug effect computational methods are as follows：
Strain preventive effect (%)=(check plot weeds strain number-treatment region weeds strain number)/check plot weeds strain number × 100.
Fresh weight preventive effect (%)=(check plot fresh weight-treatment region fresh weight)/check plot fresh weight × 100.
By table 4~7 as can be seen that embodiment of the present invention Herbicidal combinations have to rice transplanting field weed it is good anti-
Except effect, the average strain preventive effect of 15 days and 30 days and fresh weight preventive effect are all remarkably higher than three kinds of controls all more than 90% after dispenser
Preventive effect when medicament is used alone.Show that pyraclonil, metamifops and the compounding use of azoles humulone significantly expand medicine
The herbicidal spectrum of agent, improves the activity of weeding of medicament, reduces the usage amount of medicament.
Claims (9)
1. a kind of Herbicidal combinations of Han metamifops, it includes herbicidal active component pyraclonil, metamifops and azoles
Humulone, wherein, 1%~40% , metamifops that pyraclonil accounts for the Herbicidal combinations gross weight account for the Herbicidal combination
The 1%~40% of thing gross weight, azoles humulone accounts for the 0.1%~20% of the Herbicidal combinations gross weight.
2. Herbicidal combinations of Han metamifops according to claim 1, it is characterised in that also including permitting in pesticidal preparations
Perhaps auxiliary agent, any one formulation that the Herbicidal combinations are configured to be allowed on agricultural chemicals.
3. Herbicidal combinations of Han metamifops according to claim 2, it is characterised in that the auxiliary agent is selected from molten
Agent, emulsifying agent, wetting agent, dispersant, disintegrant, binding agent, antifreezing agent, thickener, preservative, defoamer, filler, carrier oil
At least one mutually and in water.
4. Herbicidal combinations of Han metamifops according to claim 2, it is characterised in that the formulation is wettable
Pulvis, water dispersible granules, suspension emulsion dispersible oil-suspending agent.
5. Herbicidal combinations of Han metamifops according to claim 4, it is characterised in that the wettable powder bag
Component containing following weight content：The , metamifops 1~30% of pyraclonil 1~30%, azoles humulone 0.1~10%, solvent 0
~10%, emulsifying agent 0~8%, wetting agent 0.5~5%, dispersant 1~15%, filler is mended to 100%.
6. Herbicidal combinations of Han metamifops according to claim 4, it is characterised in that the water dispersible granules bag
Component containing following weight content：The , metamifops 1~30% of pyraclonil 1~30%, azoles humulone 0.1~10%, solvent 0
~10%, emulsifying agent 0~8%, wetting agent 0.5~5%, dispersant 1~15%, disintegrant 1~20%, binding agent 0.1~
5%, defoamer 0~5%, filler is mended to 100%.
7. Herbicidal combinations of Han metamifops according to claim 4, it is characterised in that the suspension emulsion is comprising such as
The component of lower weight content：The , metamifops 1~30% of pyraclonil 1~30%, azoles humulone 0.1~10%, solvent 1~
20%, emulsifying agent 1~10%, wetting dispersing agent 1~10%, antifreezing agent 1~10%, thickener 0.1~5%, preservative 0.1~
3%, defoamer 0.1~5%, water is mended to 100%.
8. Herbicidal combinations of Han metamifops according to claim 4, it is characterised in that described to dispersible oily suspension
Component of the agent comprising following weight content：The , metamifops 0.1~30% of pyraclonil 1~30%, azoles humulone 1~10%, breast
Agent 10~25%, dispersant 0~5%, thickener 0.1~5%, carrier oil phase is mended to 100%.
9. the Herbicidal combinations as described in claim any one of 1-8 are used to prevent and kill off rice terrace or transplanted rice field is annual and for many years
Raw weeds.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110178848A (en) * | 2019-07-05 | 2019-08-30 | 南京农业大学 | A kind of propanil metamifop azoles humulone administers resistance barnyard grass composition and its application |
| CN115088725A (en) * | 2021-08-16 | 2022-09-23 | 吉林省八达农药有限公司 | Weeding composition and preparation method thereof |
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| CN102113503A (en) * | 2010-12-30 | 2011-07-06 | 苏州富美实植物保护剂有限公司 | Herbicide composite used in paddy field |
| CN102484999A (en) * | 2010-12-02 | 2012-06-06 | 江苏丘陵地区镇江农业科学研究所 | Herbicide compound composition used for preventing and treating weeds in rice fields and its application |
| WO2013080484A1 (en) * | 2011-11-30 | 2013-06-06 | クミアイ化学工業株式会社 | Herbicide composition |
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| CN1713820A (en) * | 2002-11-21 | 2005-12-28 | 辛根塔参与股份公司 | Herbidical composition |
| CN102484999A (en) * | 2010-12-02 | 2012-06-06 | 江苏丘陵地区镇江农业科学研究所 | Herbicide compound composition used for preventing and treating weeds in rice fields and its application |
| CN102113503A (en) * | 2010-12-30 | 2011-07-06 | 苏州富美实植物保护剂有限公司 | Herbicide composite used in paddy field |
| WO2013080484A1 (en) * | 2011-11-30 | 2013-06-06 | クミアイ化学工業株式会社 | Herbicide composition |
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| CN110178848A (en) * | 2019-07-05 | 2019-08-30 | 南京农业大学 | A kind of propanil metamifop azoles humulone administers resistance barnyard grass composition and its application |
| CN115088725A (en) * | 2021-08-16 | 2022-09-23 | 吉林省八达农药有限公司 | Weeding composition and preparation method thereof |
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