CN104472512B - Herbicide for paddy field - Google Patents
Herbicide for paddy field Download PDFInfo
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- CN104472512B CN104472512B CN201410693082.2A CN201410693082A CN104472512B CN 104472512 B CN104472512 B CN 104472512B CN 201410693082 A CN201410693082 A CN 201410693082A CN 104472512 B CN104472512 B CN 104472512B
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- herbicide
- penoxsuam
- cyhalofop
- butyl
- paddy field
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Abstract
The present invention relates to one kind to be used for herbicide for paddy field, and active ingredient is penoxsuam, cyhalofop-butyl, fenoxaprops；Herbicide of the present invention has synergistic function, prevents and kill off the positive effect of rice terrace annual grassy weeds and is used alone better than each single dose, and expands herbicide controlling spectrum, while reduces dosage, has delayed the generation of herbicide resistance, has alleviated pollution to environment.
Description
Technical field
The invention belongs to technical field of pesticide, and in particular to one kind is with penoxsuam, cyhalofop-butyl, fenoxaprops
Composition pesticide is responded for the Synergistic of active ingredient, is primarily adapted for use in and prevents and kill off rice terrace annual grassy weeds.
Background technology
Penoxsuam (penoxsulam), be rice field broad-spectrum herbicide, can effectively prevent and kill off barnyard grass (including to propanil,
The barnyard grass of dichloro quinolinic acid and anti-acetyl-CoA carboxylase tool resistance), annual sedge weed, and to numerous broad leaved weeds
Effectively, different stamen flower, carp intestines, sesbania, ring flower, Monochoria vaginalis are given birth in such as natural pond, and the lasting period is up to 30~60 days, and a drug can be basic
Control full season Weed infestation.Meanwhile it can also prevent and kill off rice field moderate resistance bensulfuron-methyl weeds, and to many broad-leaveds and sedge weed
There is residual activity with barnyard grass etc., but it is invalid to moleplant seed weeds, such as need to prevent and treat, can be mixed with cyhalofop-butyl.
Cyhalofop-butyl (cyhalofop-buty), be in fragrant phenoxy phenoxy propionic acid herbicide it is only to rice have height pacify
The kind of full property, as such other kind, and uptake and translocation herbicide.Absorbed by the blade and leaf sheath of plant,
Bast conducts, and accumulates the meristem zone in plant, resists acetyl-CoA carboxylase (ACCase), synthesizes aliphatic acid
Stop, the growth division of cell can not be normally carried out, and the structure containing fat such as membranous system is destroyed, and finally results in Plant death.From cyanogen fluorine
It is slower that careless ester is absorbed into weeds Mortality Ratio, generally requires 1-3 weeks, the symptom of weeds after administration is as follows：Four leaf stage it is tender
Bud atrophy, causes death.The old leaf of two leaf stage changes very little, and keeps green；It is mainly used in preventing and kill off important grassy weed, cyanogen
Fluorine grass ester is efficient to moleplant seed, there is certain preventive effect to low age barnyard grass, can also prevent and kill off, lady's-grass, Paspalum distichum, green bristlegrass, Cowhells
Grass, amur foxtail etc., it is invalid to sedge weed and broad leaved weed.
Fenoxaprop (fenoxaprop-P-ethyl), belong to heterocyclic oxy group phenoxy propionic acid class herbicide, mainly
The acetyl-CoA carboxylase of key enzyme one synthesized by suppressing aliphatic acid, so as to inhibit the synthesis of aliphatic acid.Medicament passes through stem
Leaf Assimilation and conductivity is to separate living tissue and the growing point of root, and effect is rapid, stops growing within 2-3 days after dispenser, and lobus cardiacus chlorosis becomes within 5-6 days
Purple, separate living tissue become brown, and blade is gradually withered, are the extremely strong cauline leaf process agent of selectivity.
Penoxsuam, the compounding of cyhalofop-butyl, fenoxaprops are without relevant report.
The present invention possesses the prospect of industrial applications, by certain technological means, can be suspended by suspending agent, oil of excipient
Agent, water dispersible granules, wettable powder, effervescent tablet, granulae effervescentes etc. are easy to the formulation agriculturally used.
The present inventor has made intensive studies to penoxsuam, cyhalofop-butyl, fenoxaprop mixtures, finds five fluorine
Sulphur grass amine, cyhalofop-butyl, fenoxaprop mixtures have Synergistic response, especially to moleplant seed (Leptochloa
Chinensis), barnyard grass (Echinochloa crusgalli), lady's-grass (Digitaria sanguinalis), mao matang
(Digitaria chrysoblephara), eleusine indica (Eleusine indica), green bristlegrass (Setaria viridis), cut
Stock clever (Agrostis matsumurae), amur foxtail (Setaria viridis), Paspalum distichum (Paspalum
Paspaloides), Yunnan ditch millet (Paspalum delavayi), hairy flowered paspalum (Paspalum dilatatum) have significantly
Synergistic responds.
The content of the invention
Paddy field weed is also easy to produce during it is an object of the invention to solve the exclusive use of prior art Pesticides single dose anti-
The problem of property of medicine and weeding is not thorough, prevention effect is poor, there is provided a kind of efficient, wide spectrum, economy, safety, be advantageous to rice
The Herbicidal combinations of the field weed comprehensive regulation.
The technical scheme is that：One kind is used for herbicide for paddy field, and active ingredient is penoxsuam, cyanogen fluorine grass
Ester, fenoxaprops, percentage by weight of the penoxsuam in herbicide are 0.1%~20%, and cyhalofop-butyl is in weeding
Percentage by weight in agent be percentage by weight of 0.1%~40%, fenoxaprops in herbicide be 0.1%~
20%, remaining is to allow to use and acceptable auxiliary element in agricultural chemicals.
Described herbicide can according to well known to a person skilled in the art method, can be processed into suspending agent, oil-suspending agent,
The application forms used in the suitable agricultural production such as water dispersible granules, wettable powder, effervescent tablet, granulae effervescentes.
Herbicide for paddy field provided by the invention, suitable for preventing and kill off rice terrace annual grassy weeds.
The frequency of administration and amount of application of composition provided by the invention change with crops, weeds, weather condition and had small
Amount change, can reach the purpose effectively prevented and treated by using appropriate dosage.
When the herbicide is processed into suspending agent, each component percetage by weight is：Penoxsuam 0.1~40%, cyanogen fluorine
The careless , fenoxaprops 0.1~50% of ester 0.1~40%, dispersant 0.1~15%, wetting agent 0.1-15%, thickener 0.1
~2%, deionized water carrier complements to 100%.Specifically production stage is：Active ingredient and other auxiliary agents are mixed, through at a high speed
Shear after being sanded in scattered, sand mill, high dispersive, stable suspension system, obtained corresponding weight hundred are formed in water-medium
Divide the suspending agent of content.
When the herbicide is processed into oil-suspending agent, each component percetage by weight is：Penoxsuam 0.1~40%, cyanogen
The~oxazoles diclofop-methyl 0.1~50% of fluorine grass ester 0.1, dispersant 0.1~16%, wetting agent 0.1-15%, thickener 0.1~2%,
Liquid-carrier complements to 100%.Specifically production stage is：Active ingredient and other auxiliary agents are mixed, disperseed through high speed shear, sand
After being sanded in grinding machine, high dispersive, stable suspension system are formed in oil is medium, the oil that corresponding weight percentage is made hangs
Floating agent.
When the herbicide is processed into water dispersible granules, each component percetage by weight is：Penoxsuam 0.1~75%,
The , fenoxaprops 0.1~40% of cyhalofop-butyl 0.1~50%, dispersant 0.1~14%, wetting agent 0.1~11%, disintegration
Agent 0.1~10%, solid carrier complements to 100%.Specifically production stage is：Active ingredient and other auxiliary agents are well mixed,
Crushed with micro jet, through mediating, then add in fluidized-bed granulation dryer and be granulated, dry, sieve, be made
The water dispersible granules of corresponding weight percentage.
When the herbicide is processed into wettable powder, each component percetage by weight is：：Penoxsuam 0.1~75%,
The , fenoxaprops 0.1~40% of cyhalofop-butyl 0.1~50%, dispersant 0.1~15%, wetting agent 0.1~14%, solid
Carrier complements to 100%.Specifically production stage is：Active ingredient and other auxiliary agents are mixed, again through air-flow powder after mechanical crushing
It is broken, it is well mixed, the wettable powder of corresponding weight percentage is made.
When the herbicide is processed into effervescent tablet, each component percetage by weight is：Penoxsuam 0.1~75%, cyanogen
The, fenoxaprops 0.1~40% of fluorine grass ester 0.1~50%, dispersant 0.1~15%, wetting agent 0.1~10%, solid acid
0.1~30%, carbonate 0.1~30%, binding agent 0.1~11%, flowing regulator 0.1~12%, solid carrier complements to
100%.Specifically production stage is：By active ingredient, wetting agent, dispersant, solid acid, carbonate, flowing regulator and filler
It is sufficiently mixed uniformly, is then crushed to 0.3~5 micron with the broken machine of low-temperature submicron powder, is subsequently added into the bonding that pasty state is tuned into water
Agent, uses tablet press machine film-making after stirring, last drying, whole grain, after detecting, packing, corresponding weight percent is made and contains
The effervescent tablet of amount.
When the herbicide is processed into granulae effervescentes, each component percetage by weight is：Penoxsuam 0.1~75%, cyanogen
The , fenoxaprops 0.1~40% of fluorine grass ester 0.1~50%, dispersant 0.1~16%, wetting agent 0.1~11%, solid acid
0.1~30%, carbonate 0.1~30%, binding agent 0.1~10%, flowing regulator 0.1~10%, solid carrier complements to
100%.Active ingredient, wetting agent, dispersant, solid acid, carbonate, flowing regulator and filler are sufficiently mixed uniformly, so
0.3~5 μm is crushed to the broken machine of low-temperature submicron powder afterwards, is subsequently added into the binding agent that pasty state is tuned into water, with making after stirring
Grain machine is granulated, and last drying, whole grain, after detecting, packing, the granulae effervescentes of corresponding weight percentage is made.
In above-mentioned processing formulation, described defoamer can be silicone compound, epoxidized soybean oil, methanol, silicone oil etc.
In one or more.
Described antifreezing agent can be one or more of in glycerine, propane diols, diethylene glycol (DEG), urea etc..
Described wetting agent can be lauryl sodium sulfate, neopelex, sodium butylnaphthalenesulfonate, alkyl sulphur
One or more in sour sodium, tea seed cake powder, spaonin powder, spaonin powder etc..
Described dispersant can be APES formaldehyde condensation product, naphthalenesulfonate formaldehyde condensation compound, to first
Epoxide fatty acyl anilinesulfonic acid, lignosulfonates, polycarboxylate, APES sulfate, alkyl benzene sulphonate
One or more in calcium salt, fatty acid ester sulfate, APES, AEO etc..
Described disintegrant can be sodium carboxymethyl starch, low-substituted hydroxypropyl cellulose, Ac-Di-Sol,
PVPP, chitosan, sodium alginate sodium acid carbonate, magnesium chloride, aluminium chloride, sodium chloride, urea, ammonium sulfate, bentonite etc.
In one or more.
Described thickener can be polyvinyl acetate, xanthans, gelatin, gum arabic, aluminium-magnesium silicate, phenolic aldehyde tree
One or more in fat, hydroxymethyl cellulose, sodium alginate etc..
Described solid carrier can be precipitated calcium carbonate, clay, kaolin, diatomite, bentonite, white carbon, clay,
One or more in attapulgite, talcum powder, quartz sand etc..
Described liquid-carrier can be exquisite soybean oil, corn oil, rapeseed oil, turpentine oil, methyl oleate, coconut oil,
One or more in palm oil etc..
Described deionized water is industrialization deionized water.
Described binding agent can be sucrose, polyvinyl alcohol, polyethylene glycol, sodium carboxymethylcellulose, carboxymethyl cellulose
One kind in calcium, carboxy-propyl cellulose, dextrin, amylodextrin, polyvinylpyrrolidone, sticky kaolin, paraffin, rosin etc. or
It is several.
Described solid acid can be citric acid, butanedioic acid, maleic acid, fumaric acid, tartaric acid, oxalic acid, malonic acid, apple
Acid, succinic acid, hexanedioic acid, boric acid, phosphoric acid, benzoic acid, sulfamic acid, salicylic acid, glutamic acid, phenylacetic acid, nicotinic acid or sorbic acid
One or more in.
Described carbonate can be sodium carbonate, potassium carbonate, ammonium carbonate, calcium carbonate, lithium carbonate, sodium acid carbonate, bicarbonate
One or more in potassium, lithium bicarbonate, sodium sesquicarbonate, bicarbonate tripotassium or the ammonium of bicarbonate three etc..
Described flowing regulator can be calcium stearate, magnesium stearate, barium stearate, titanium dioxide, talcum powder, 12
It is one or more of in alkylsurfuric acid magnesium, polysorbate, wheat starch or sodium benzoate etc..
The frequency of administration and amount of application of the present composition change with crops, weeds, weather condition and have small variations,
The purpose effectively prevented and treated can be reached by using appropriate dosage.
Triple combination (i.e. penoxsuam cyhalofop-butyl fenoxaprop) of the present invention expands herbicide controlling spectrum, composition
There is Synergistic response to target, especially to moleplant seed (Leptochloa chinensis), bent grass (Agrostis
Matsumurae) there is the response of obvious Synergistic, offer excellent fix can be prevented and kill off for rice terrace annual grassy weeds,
Especially with moleplant seed (Leptochloa chinensis), the water of bent grass (Agrostis matsumurae) dominant weed
Rice field, there is positive effect for the paddy field weed comprehensive regulation.
Embodiment
In order that the objects, technical solutions and advantages of the present invention are more concise, present invention specific examples below
Illustrate, but the present invention is only limitted to absolutely not these examples.As described below is only the preferable embodiment of the present invention, is used only for retouching
State the present invention, it is impossible to be interpreted as limiting the scope of the present invention.It should be pointed out that it is all the spirit and principles in the present invention it
Interior done all any modification, equivalent and improvement etc., should be included in the scope of the protection.
Embodiment 1：Penoxsuam, cyhalofop-butyl, fenoxaprops and its compounding moleplant seed (Leptochloa
Chinensis), the Toxicity Determination experiment of bent grass (Agrostis matsumurae)
According to the Colby formula (predictive role of evaluation particular composition, referring to S.R.Colby, " Calculating
Synergistic and Antagonistic Responses of Herbicide combinations”Weeds 1967,
15,20-22)
A, the theoretical survival rate or fresh weight survival rate that B, C are used with certain dosage
In formula：
Strain survival rates or fresh weight survival rate (%) of the A with certain dosage when alone to target weeds；
Strain survival rates or fresh weight survival rate (%) of the B with certain dosage when alone to target weeds；
Strain survival rates or fresh weight survival rate (%) of the C with certain dosage when alone to target weeds；
N is the herbicide kind number of mixture；
E0For penoxsuam, cyhalofop-butyl, three kinds of pharmacy mix of fenoxaprop when to target weeds fresh weight remaining
The theoretical value of rate or strain survival rate；
To target weeds fresh weight survival rate when E is penoxsuam, cyhalofop-butyl, three kinds of pharmacy mix of fenoxaprop
Or the observation of strain survival rate.
Evaluation criterion：Strain survival rate or fresh weight survival rate observation have synergy when being less than theoretical value (synergy is made
With), i.e. E0- E is more than zero.
Table one, penoxsuam, cyhalofop-butyl, fenoxaprops and its compounding are to moleplant seed (Leptochloa
Chinensis Toxicity Determination result table)
Herbicide associated form is evaluated according to Colby methods, the data of table one are shown, penoxsuam, cyhalofop-butyl, Jing oxazoles
Diclofop-methyl triple combination is notable to moleplant seed (Leptochloa chinensis) synergistic effect, E0- E values are all higher than 20%.
Table two, penoxsuam, cyhalofop-butyl, fenoxaprops and its compounding are to bent grass (Agrostis
Matsumurae Toxicity Determination result table)
Herbicide associated form is evaluated according to Colby methods, the data of table two are shown, penoxsuam, cyhalofop-butyl, Jing oxazoles
Diclofop-methyl triple combination is notable to bent grass (Agrostis matsumurae) synergistic effect, E0- E values are all higher than 20%.
Embodiment two：30% penoxsuam cyhalofop-butyl fenoxaprop water dispersible granules
Above-mentioned material is added in cone-type mixer together and is well mixed, is crushed by airslide disintegrating mill, the thing after crushing
Material mixes through cone-type mixer again, and mixed fineness of materials 98% adds in kneader that be kneaded into can by 600 mesh standard sieves
Plastic material, this material is finally put into extruder grain in Squeezinggranulator, 30% 5 is made after drying, screening after granulation
Penoxsulam cyhalofop-butyl fenoxaprop water dispersible granules.
Embodiment three：29% penoxsuam cyhalofop-butyl fenoxaprop wettable powder
Above-mentioned material is added in cone-type mixer together and is well mixed, is crushed by airslide disintegrating mill, the thing after crushing
Material mixes through cone-type mixer again, and mixed fineness of materials 98% produces 29% penoxsuam by 600 mesh standard sieves
Cyhalofop-butyl fenoxaprop wettable powder.
Example IV：22% penoxsuam cyhalofop-butyl fenoxaprop suspending agent
Above-mentioned formula is crushed in advance in proportion, adds in sand mill and grinds, system is allocated after high shear mixing
Obtain 23% penoxsuam cyhalofop-butyl fenoxaprop suspending agent.
Embodiment five：20% penoxsuam cyhalofop-butyl fenoxaprop oil-suspending agent
Above-mentioned material (except organobentonite) is added in reactor mixer together, stirred 2 hours, opens bottom
Pan feeding valve, material is injected in multistage sand mill and ground, the fineness of materials 98% after grinding after 1-5um by discharging, and material is again
It is put into together with the organobentonite dissolved in advance in high-shear emulsifying kettle, 20% of flowing to property well is can be made into after emulsification
Penoxsuam cyhalofop-butyl fenoxaprop oil-suspending agent.
Embodiment six：Prevent and kill off rice terrace annual grassy weeds field control effectiveness test
Table three, penoxsuam, cyhalofop-butyl, fenoxaprops composition are to rice terrace annual grassy weeds field efficacy
Result of the test
In summary, instant component is reasonable, penoxsuam cyhalofop-butyl fenoxaprop triple combination tool
There is Synergistic response, especially to moleplant seed (Leptochloa chinensis), bent grass (Agrostis
Matsumurae) there is notable synergy response effect, expansion herbicide controlling spectrum is rice terrace especially with moleplant seed (Leptochloa
Chinensis), bent grass (Agrostis matsumurae) provides excellent weed control for the rice terrace of dominant weed
Solution, suitable for preventing and kill off rice terrace annual grassy weeds.
Claims (4)
- A kind of 1. herbicide for paddy field, it is characterised in that：Active ingredient is penoxsuam, cyhalofop-butyl, fenoxaprops, Penoxsuam, cyhalofop-butyl, the parts by weight ratio of fenoxaprop are 1~9:27:2~14.
- A kind of 2. herbicide for paddy field according to claim 1, it is characterised in that：Described herbicide also contains agricultural chemicals system Agent auxiliary element, so as to which the application forms of suitable agricultural use are made.
- A kind of 3. herbicide for paddy field according to claim 2, it is characterised in that：The formulation of the herbicide for paddy field is One kind in suspending agent, oil-suspending agent, water dispersible granules, wettable powder, effervescent tablet, granulae effervescentes.
- A kind of 4. application of herbicide for paddy field in rice terrace annual grassy weeds is prevented and kill off described in claim 1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410693082.2A CN104472512B (en) | 2014-11-25 | 2014-11-25 | Herbicide for paddy field |
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| CN201410693082.2A CN104472512B (en) | 2014-11-25 | 2014-11-25 | Herbicide for paddy field |
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| CN104472512A CN104472512A (en) | 2015-04-01 |
| CN104472512B true CN104472512B (en) | 2017-11-28 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105766950A (en) * | 2016-05-13 | 2016-07-20 | 创新美兰（合肥）股份有限公司 | Fenoxaprop-P-ethyl, cyhalofop-butyl and penoxsulam compound dispersible oil suspension concentrate and preparation method thereof |
| CN107372534A (en) * | 2017-07-18 | 2017-11-24 | 长江大学 | A kind of effervescent tablet containing fenoxaprop active ingredient and preparation method thereof |
| CN110622966A (en) * | 2019-09-29 | 2019-12-31 | 海南天道种业有限公司 | Herbicide composition for paddy field and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102388894A (en) * | 2011-12-16 | 2012-03-28 | 联保作物科技有限公司 | Weeding composition |
| CN103314971A (en) * | 2013-06-19 | 2013-09-25 | 北京燕化永乐农药有限公司 | Weeding composition |
| WO2014130964A1 (en) * | 2013-02-25 | 2014-08-28 | Dow Agrosciences Llc | Synergistic weed control with penoxsulam and acetochlor |
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2014
- 2014-11-25 CN CN201410693082.2A patent/CN104472512B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102388894A (en) * | 2011-12-16 | 2012-03-28 | 联保作物科技有限公司 | Weeding composition |
| WO2014130964A1 (en) * | 2013-02-25 | 2014-08-28 | Dow Agrosciences Llc | Synergistic weed control with penoxsulam and acetochlor |
| CN103314971A (en) * | 2013-06-19 | 2013-09-25 | 北京燕化永乐农药有限公司 | Weeding composition |
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