CN108849941A - A kind of Herbicidal combinations containing Huan Wu Evil humulone, penoxsuam and pretilachlor - Google Patents

A kind of Herbicidal combinations containing Huan Wu Evil humulone, penoxsuam and pretilachlor Download PDF

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Publication number
CN108849941A
CN108849941A CN201811001436.7A CN201811001436A CN108849941A CN 108849941 A CN108849941 A CN 108849941A CN 201811001436 A CN201811001436 A CN 201811001436A CN 108849941 A CN108849941 A CN 108849941A
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penoxsuam
huan
pretilachlor
evil humulone
herbicidal combinations
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CN108849941B (en
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葛家成
刘金玲
吕文东
司国栋
谢维星
赵月超
巨翠红
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Qingdao hailier Biotechnology Co.,Ltd.
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Hailir Pesticides and Chemicals Group Co Ltd
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/90Biocides, 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
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N37/00Biocides, 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
    • A01N37/18Biocides, 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 the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof
    • A01N37/22Biocides, 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 the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof the nitrogen atom being directly attached to an aromatic ring system, e.g. anilides
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/72Biocides, 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
    • A01N43/74Biocides, 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
    • A01N43/761,3-Oxazoles; Hydrogenated 1,3-oxazoles

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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)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention discloses a kind of Herbicidal combinations, effective active composition is made of Huan Wu Evil humulone, penoxsuam and pretilachlor, and effective component weight ratio is 1~80:1~80:1~80.The total weight of each component in the formulation is 0.1%~95%, preferably 0.5%~90%;Remaining is auxiliary element common in pesticide.The present invention provides Herbicidal combinations and is mainly used in preventing and kill off for paddy field weed, and herbicidal effect is significantly improved compared with single dose, expands that weeding is general, and the lasting period is long, and to rice safety.

Description

A kind of Herbicidal combinations containing Huan Wu Evil humulone, penoxsuam and pretilachlor
Technical field
The invention belongs to pesticides application technical fields, are related to a kind of composition pesticide, it is specifically a kind of containing effectively at The Herbicidal combinations of point Huan Wu Evil humulone, penoxsuam and pretilachlor, applied to preventing and kill off unwanted plant.
Background technique
In agricultural production process, serious, the target crops such as damage to crops, forest life occurs for unwanted plant (weeds) It is long, and influence undesirable vegetation plot (such as bare place, railway, highway, forest fire protection road, industrial sites, threshing ground) just It is often used.Herbicide is to prevent and kill off the method the most economic, quick and effective for not needing plant.Single herbicide is produced using easy Raw drug resistance or prevention spectrum are limited, not can be well solved the harm that production does not need plant in practice.Mixture herbicide tool Prevention spectrum, enhancing preventive effect can be expanded by having, and delayed the advantages such as herbicide resistance, become most popular application shape in production practice Formula.Herbicide especially with synergy interacts between each active principle of herbicide, makes combination aging fruit better than independent The theoretical summation of using effect, thus can play a multiplier effect in actual use, more welcome by user.
Huan Wu Evil humulone (pentoxazone) be a kind of exploitation of overseas enterprise seedling before seedling post-processing herbicide, can be used for Be administered before rice growing, when transplanting or after transplanting, prevent and kill off barnyard grass and other parts annual gramineous weed, broadleaf weeds and Nutgrass flatsedge etc..CAS accession number is 110956-75-7.Its structural formula is as follows:
Penoxsuam is the herbicide for rice field of new generation developed by The Dow Agrosciences, LLC., by inhibiting second phthalein cream Acid enzyme (ALS) and cause effect, be mainly used for preventing and kill off the weeds of paddy field, be current herbicide for rice field in degrass spectrum it is most wide Kind can effectively prevent and kill off barnyard grass (including the barnyard grass to propanil, dichloro quinolinic acid and anti-acetyl-CoA carboxylase tool resistance), one Year life sedge weed, and it is effective to numerous broadleaf weeds, such as natural pond raw different stamen flower (Heteranthera limosa), carp intestines (Eclipta prostrata), sesbania (Sesbania exaltata), ring flower (Commelina diffusa), Monochoria vaginalis (Monochoria vaginalis) etc..Lasting period is up to 30~60 days, and a drug can control full season Weed infestation substantially.
In practical agricultural production process, the above medicament is used alone, it is relatively narrow that there are degrass spectrums, and dosage is big, at high cost Disadvantage, while pollution of the same medicament of single use for environment, Weed Resistance etc. all have a great impact.In order to develop speed Effect property and lasting effect are good, the lower new pesticide combination of use cost, we are raw indoors to survey the base screened with field trial On plinth, the composition obtains synergistic effect, high-efficiency environment friendly with obvious, and does not find the correlation report about such compounding so far Road.
Description
The present invention relates to synergistic herbicidal compositions, including active constituent Huan Wu Evil humulone, penoxsuam and pretilachlor this It outside, further include the auxiliary agent that can be used in Pesticide formulation.
Wherein penta Evil humulone of effective component ring, penoxsuam and pretilachlor of the present invention can be mixed with arbitrary proportion, Usually a kind of active component content is higher than rest activity ingredient, and mixing ratio is 1~80:1~80:1~80.
The Herbicidal combinations of the effective component Huan Wu Evil humulone, penoxsuam and pretilachlor compounding, each component exist Total weight in preparation is 0.1%~95%, preferably 0.5%~90%;Remaining is auxiliary element common in pesticide.
The dosage form agriculturally allowed can be prepared by known methods into Herbicidal combinations of the invention, and preferable dosage form is Wettable powder, dispersible oil-suspending agent, suspoemulsion, aqueous suspension agent, missible oil, aqueous emulsion, microemulsion or water dispersible granules.
The auxiliary ingredients for pesticide preparations includes carrier and auxiliary agent.
The carrier is one of water, solvent or filler, two kinds or three kinds, the preferred deionized water of water.
The solvent is selected from n,N-Dimethylformamide, cyclohexanone, toluene, dimethylbenzene, dimethyl sulfoxide, methanol, second Alcohol, trimethylcyclohexanone, n-octylpyrrolidone, ethanol amine, triethanolamine, isopropylamine.N-Methyl pyrrolidone, propyl alcohol, One of butanol, ethylene glycol, diethylene glycol, ethylene glycol monomethyl ether, butyl ether, ethanol amine, isopropylamine, ethyl acetate or acetonitrile are more The mixture of kind composition.
The filler is in kaolin, diatomite, bentonite, attapulgite, white carbon black, starch or precipitated calcium carbonate The mixture of one or more compositions.
The auxiliary agent includes at least a kind of surfactant and can be also added antifreeze according to different use occasion and demand The other functions auxiliary agent such as agent, thickener, stabilizer, disintegrating agent, defoaming agent.
The surfactant is selected from one of emulsifier, dispersing agent, wetting agent or bleeding agent or four kinds.Above-mentioned surface Activating agent is the single dose or compound preparation of common nonionic surfactant or anionic surfactant.
Other function auxiliary agent one kind or five in antifreezing agent, thickener, stabilizer, disintegrating agent or defoaming agent Kind.
The emulsifier is selected from agriculture breast 500# (alkyl benzene calcium sulfonate), OP series phosphate (nonylphenol polyoxyethylene ether phosphorus Acid esters), 600# phosphate (phenyl phenol polyoxyethylene ether phosphate), styrene polyoxyethylene ether ammonium sulfate salt, alkyl biphenyl ether Disulfonic acid magnesium salts, triethanolamine salt, agriculture breast 400# (benzyl dimethyl phenol polyoxyethyl ether), Nongru-700 # (alkylphenol formaldehyde tree Rouge polyoxyethyl ether), peaceful cream 36# (phenethyl phenol formaldehyde resin polyoxyethyl ether), agriculture breast 1600# (phenethyl phenol polyoxyethanyl Polypropylene-base ether), ethylene oxide-propylene oxide block copolymer, OP serial (nonylphenol polyoxyethylene ether), the serial (castor-oil plant of BY Oily polyoxyethylene ether), agriculture breast 33# (alkylaryl polyoxyethylene poly-oxygen propylene aether), Span series (sorbitol anhydride monostearate), One of TWEEN Series (anhydrous sorbitol resin acid ester APEO) or AEO serial (fatty alcohol polyoxyethylene ether) are more The mixture of kind composition.
The dispersing agent be selected from polycarboxylate, lignosulfonates, APES formaldehyde condensation products sulfat, Alkyl benzene calcium sulfonate, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkyl phenol polyoxyethylene ether, aliphatic amine polyoxyethylene ether, fatty acid polyglycol The mixture of one of ethylene oxide ether or glycerol fatty acid ester polyoxyethylene ethe or a variety of compositions.
The wetting agent is selected from lauryl sodium sulfate, neopelex, Nekal BX, wetting and penetrating agent F, soap The mixture of one of angle powder, silkworm excrement or spaonin powder or a variety of compositions.
The bleeding agent is selected from penetrating agent JFC (fatty alcohol polyoxyethylene ether), penetrant t (diisooctyl maleate Sulfonate), the mixture of one of azone or organosilicon or a variety of compositions.
The antifreezing agent is selected from the mixture of one of ethylene glycol, propylene glycol, glycerine or urea or a variety of compositions.
The thickener be selected from one of xanthan gum, polyvinyl alcohol, bentonite, carboxymethyl cellulose or aluminium-magnesium silicate or The mixture of a variety of compositions.
The stabilizer is selected from one kind or more of epoxidized soybean oil, epoxychloropropane, BHT, ethyl acetate, triphenyl phosphate The mixture of kind composition.
The disintegrating agent is selected from bentonite, urea, ammonium sulfate, aluminium chloride, low-substituted hydroxypropyl cellulose, lactose, lemon The mixture of one of acid, succinic acid or sodium bicarbonate or a variety of compositions.
The defoaming agent is selected from silicone oil, silicone compound, C10~C20 saturated fat acids compound or C8~C10 rouge The mixture of one of fat alcohol compound or a variety of compositions.
Above-mentioned substance can be commercially available.
The composition can be used to prevent and treat the weeds in various useful crops, the useful crop with particularly good effect Including but not limited to conventional breeding crop, genetically modified crops, asexually propagated crop and asexual propagation material, domesticating and cultivating it is wild Plant etc., especially suitable for preventing and kill off the weeds in paddy field.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, present invention following specific embodiments It is illustrated, but the present invention is limited to absolutely not these examples.The following is only the preferred embodiment of the present invention, is used only for explaining The present invention, it cannot be construed as a limitation to the scope of the present invention.It should be pointed out that all in spirit of the invention Any modification, equivalent substitute and improvement etc. with being made within principle, should all be included in the protection scope of the present invention.Therefore The scope of protection of the patent of the present invention should be subject to the appended claims.
Simple dosage form embodiment is as follows:
Component Huan Wu Evil humulone, penoxsuam and pretilachlor are effective component in following embodiments.
One, embodiment is prepared
1, wettable powder
Preparation method:In Example formulations ratio, effective component Huan Wu Evil humulone, penoxsuam and pretilachlor are added In carrier, and surfactant and other function auxiliary agent are added wherein, mixing remixes after air-flow crushing and is made wettable Property pulvis.Capital equipment has mixing machine, airslide disintegrating mill.
Embodiment 1:(60% Huan Wu Evil humulone penoxsuam pretilachlor wettable powder) 1:1:2
Formula:Huan Wu Evil humulone, 15%;Penoxsuam, 15%;Pretilachlor, 30%;Wetting agent dodecyl sulphate Sodium, 2%;Dispersing agent calcium lignosulfonate, 8%;Filler white carbon black, 18%;Filler kaolin, surplus.
2, water dispersible granules
Preparation method:In Example formulations ratio, effective component Huan Wu Evil humulone, penoxsuam and pretilachlor are added In carrier, and surfactant and other function auxiliary agent are added wherein, mixing adds 10~25% after air-flow crushing Then water dispersible granules product is made through kneading, granulation, drying, screening in water;Or by the powder that crushed in boiling granulator Water spray is granulated, is dry, sieves product is made later.Capital equipment has mixing machine, airslide disintegrating mill, kneader, extrusion granulation Machine, drying chamber or fluidized bed drying or boiling granulator, screening machine.
Embodiment 2:(40% Huan Wu Evil humulone penoxsuam pretilachlor water dispersible granules) 1:1:3
Formula:Huan Wu Evil humulone, 8%;Penoxsuam, 8%;Pretilachlor, 24%;Dispersing agent Negel, 5%, dispersing agent sodium lignin sulfonate, 7%;Wetting agent lauryl sodium sulfate, 2%;Urea (disintegrating agent) 5%, lightweight carbonic acid Calcium is mended, surplus.
3, suspending agent
Preparation method:By formula rate, by effective component novaluron and Fenpropathrin, surfactant and other function Auxiliary agent is sequentially placed into reaction kettle, is mixed with water, and through high speed shear, wet process is sanded, finally homogeneous to filter up to product.It is main Wanting equipment is batching kettle, colloid mill or homogeneous mixing machine, sand mill.
Embodiment 3:(35% Huan Wu Evil humulone penoxsuam pretilachlor aqueous suspension agent) 1:1:5
Formula:Huan Wu Evil humulone, 5%;Penoxsuam, 5%;Pretilachlor, 25%;Wetting agent NP-10,1%;Dispersing agent Polycarboxylate, 4%;Thickener selects aluminium-magnesium silicate and xanthan gum, dosage are respectively 1.2% and 0.12%;Antifreezing agent selects third Glycol, 5%;Organically-modified silicone antifoam agent, 0.2%;Water, surplus.
4, missible oil
Preparation method:Effective component novaluron and Fenpropathrin are added in carrier in Example formulations ratio, and at it Middle addition surfactant and other function auxiliary agent, are uniformly mixed in being stirred kettle.Being stirred kettle can Select enamel reaction still, stainless steel stirred tank etc..
Embodiment 4:(30% Huan Wu Evil humulone penoxsuam pretilachlor missible oil) 1:1:1
Formula:Huan Wu Evil humulone, 10%;Penoxsuam, 10%;Pretilachlor, 10%;Emulsifier select agriculture breast 500# and Agriculture breast OP-10#, dosage are respectively 5% and 8%;Solvent selection cyclohexanone, 15%;Dimethylbenzene, surplus.
5, aqueous emulsion
Preparation method:In Example formulations ratio by effective component novaluron and Fenpropathrin and solvent, emulsifier, hydrotropy Agent is added together, and makes to be dissolved into uniform oily phase;By part water, antifreeze, the others insecticides adjuvant mixing such as antimicrobial Together at uniform water phase;The oil phase is added to the aqueous phase while being stirred in the reactor at high speed, and slowly plus water turns until reaching Phase point opens cutter and carries out high speed shear, and remaining water is added, and shearing about half an hour, forms the aqueous emulsion of oil-in-water type.
Embodiment 5:(16% Huan Wu Evil humulone penoxsuam pretilachlor aqueous emulsion) 1:2:1
Formula:Huan Wu Evil humulone, 4%;Penoxsuam, 8%;Pretilachlor, 4%;Solvent selection cyclohexanone, 15%;Two Toluene, 10%;It is respectively 2%, 1% that emulsifier, which selects phenyl phenol polyoxyethylene ether phosphate, agriculture breast 1601 and BY-125, dosage, With 3%;Antifreezing agent selection ethylene glycol, 3%;Water, surplus.
6, microemulsion
Preparation method:It is in Example formulations ratio, effective component novaluron and Fenpropathrin solvent and cosolvent is complete Then fully dissolved adds other auxiliary agents, be uniformly mixed, be eventually adding water, after being sufficiently stirred, can be prepared by mite killing group of the present invention Close object microemulsion formulation.
Embodiment 6:(20% novaluron fenpropathrin microemulsion) 1:2:2
Formula:Huan Wu Evil humulone, 4%;Penoxsuam, 8%;Pretilachlor, 8%;Solvent selects N, N- dimethyl formyl Amine and cyclohexanone, dosage are respectively 10% and 15%;Emulsifier selects agriculture breast 602# and agriculture breast 500#, and dosage is respectively 9% He 6%;Water, surplus.
7, oil-suspending agent
Preparation method:By formula rate, by effective component novaluron and Fenpropathrin, surfactant and other function Auxiliary agent is sequentially placed into reaction kettle, is refueled and is uniformly mixed, and through high speed shear, wet process is sanded, finally homogeneous to filter up to product.It is main Wanting equipment is batching kettle, colloid mill or homogeneous mixing machine, sand mill.
Embodiment 7:(40% Huan Wu Evil humulone penoxsuam pretilachlor oil-suspending agent) 1:2:1 formula:Huan Wu Evil Humulone, 10%;Penoxsuam, 20%;Pretilachlor, 10%;Emulsifier agriculture breast BY-125,7%;Oil dispersant polycarboxylate, 8%;Thickener selects organobentonite, dosage 1.6%;Oil, surplus.
8, suspoemulsion
Preparation method:Solvent, surfactant is added in effective component Fenpropathrin in Example formulations ratio, adds water mixed It closes uniformly, aqueous emulsion is made through high speed shear;Novaluron is added in carrier, and surfactant and other function are added wherein Property auxiliary agent, be mixed with water, through high speed shear, wet process is sanded, and suspending agent is made, finally by obtained suspending agent and water and milk Agent high speed shear, it is homogeneous to filter up to product.Capital equipment is batching kettle, colloid mill or homogeneous mixing machine, sand mill.
Embodiment 8:(35% Huan Wu Evil humulone penoxsuam pretilachlor suspoemulsion) 2:2:1
Formula:Huan Wu Evil humulone, 14%;Penoxsuam, 14%;Pretilachlor, 7%;Solvent N-methyl pyrilidone, Dosage 25%;Emulsifier selects agriculture breast 500# and agriculture breast OP-10#, and dosage is respectively 4% and 5%;Oil dispersant polycarboxylate, 8%;Thickener selects xanthan gum and aluminium-magnesium silicate, dosage are respectively 0.2% and 2.0%;Antifreeze glycol, dosage 3%; Water, surplus.
Two, BIOLOGICAL ACTIVITY EXAMPLES
BIOLOGICAL ACTIVITY EXAMPLES is divided into indoor biological activity Example and crop field BIOLOGICAL ACTIVITY EXAMPLES.
1, determination of activity example:
Test medicine:97% Huan Wu Evil humulone raw medicine (Jiangsu Zhongdan Chemical Engineering Technology Co., Ltd.);98% penoxsuam Raw medicine (Chemical Co., Ltd. Shandong Hailier);97% pretilachlor raw medicine (Shandong Qiaochang Chemical Co., Ltd).The above raw medicine by Market is bought.
Test target:The common standing grain weeds of paddy field:Barnyard grass (Echinochloa crusgalli), arrowhead (SagittariasagittifoliaL.)。
Medicament prepares:Huan Wu Evil humulone, penoxsuam, pretilachlor raw medicine are prepared into 100g/L mother liquor.According to test Setting carries out proportion mixture.
Test repeats and number:Each concentration sets 4 repetitions, 3 basins of every processing, and every repeated drug taking is primary.
Test method:It is carried out by the Ministry of Agriculture professional standard NY/T1155.4-2006 and NY/T1155.7-2006, using stem Leaf spray-on process is tested.
Test data and statistical method:It checks each processing weed growth situation within 21 days after medicine, gathers in the miscellaneous of each processing respectively Grass claims its fresh weight, calculates each processing fresh weight mitigation rate.
According to investigation result, calculate weeds fresh weight preventive effect (%):
It is tested with Colby method to the compound herbicide activity after compounding, formula is
In formula:
The Weed-control effect of A expression herbicide Huan Wu Evil humulone
The Weed-control effect of B expression herbicide penoxsuam
The Weed-control effect of C expression herbicide pretilachlor
E0Indicate the theoretical preventive effect of herbicide mixture
The practical preventive effect of E expression herbicide mixture
E-E0> 10% is synergistic effect, E-E0< -10% is antagonism, E-E0It is addition between theoretical value ± 10% Effect.
N is mixture herbicide kind quantity.
Interpretation of result and discussion:
1 Huan Wu Evil humulone of table, penoxsuam, pretilachlor mixture are to paddy field barnyard grass synergy measurement result
2 Huan Wu Evil humulone of table, penoxsuam, pretilachlor mixture are to paddy field arrowhead synergy measurement result
In summary table 1, table 2 The Toxicity Determination result can be seen that Huan Wu Evil humulone, penoxsuam, third grass It is largely synergistic effect that amine Ternary, which is respectively handled for paddy field common weed barnyard grass, arrowhead co-toxicity, it can be seen that Huan Wu Evil humulone, penoxsuam, pretilachlor Ternary have reasonability and feasibility.
2, field efficacy example:
Experimental field selection paddy field carries out, and every processing sets 3 repetitions, and a situation arises for each treatment region weeds of 30d observation after medicine And calculate preventive effect,
3 Huan Wu Evil humulone of table, penoxsuam, pretilachlor mixture are to preventing and controlling weed in rice field effect
As can be seen from Table 3, after application 30 days Huan Wu Evil humulones, penoxsuam, pretilachlor Ternary each implementation Composite preparation has excellent control efficiency to paddy field gramineae weed, broadleaf weeds, and preventive effect is 80% or more, together When do not found in pilot survey using Huan Wu Evil humulone, penoxsuam, pretilachlor Ternary each case study on implementation to water Rice generates harm.

Claims (5)

1. a kind of Herbicidal combinations containing Huan Wu Evil humulone, penoxsuam and pretilachlor, it is characterised in that:Effective active at Divide and is made of Huan Wu Evil humulone, penoxsuam and pretilachlor.
2. Herbicidal combinations according to claim 1, it is characterised in that:Effective component Huan Wu Evil humulone, penoxsuam It is 1~80 with pretilachlor weight ratio:1~80:1~80.
3. Herbicidal combinations according to claim 1, it is characterised in that:Huan Wu Evil humulone, penoxsuam and pretilachlor The total weight of each effective component in the formulation is 0.1%~95%, preferably 0.5%~90%;Remaining is auxiliary to commonly use in pesticide Co-ingredients.
4. Herbicidal combinations according to claim 1, it is characterised in that:It can be prepared by known methods into and agriculturally permit Perhaps dosage form, preferable dosage form is wettable powder, dispersible oil-suspending agent, suspoemulsion, aqueous suspension agent, missible oil, aqueous emulsion, micro- Emulsion or water dispersible granules.
5. Herbicidal combinations according to claim 1, it is characterised in that be mainly used in preventing and kill off for paddy field weed.
CN201811001436.7A 2018-08-30 2018-08-30 Weeding composition containing pentoxazone, penoxsulam and pretilachlor Active CN108849941B (en)

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