CN107136111A - Herbicidal composition for rice field - Google Patents
Herbicidal composition for rice field Download PDFInfo
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- CN107136111A CN107136111A CN201710456608.9A CN201710456608A CN107136111A CN 107136111 A CN107136111 A CN 107136111A CN 201710456608 A CN201710456608 A CN 201710456608A CN 107136111 A CN107136111 A CN 107136111A
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- Prior art keywords
- cyhalofop
- butyl
- rice
- ethoxysulfuron
- herbicidal composition
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N39/00—Biocides, pest repellants or attractants, or plant growth regulators containing aryloxy- or arylthio-aliphatic or cycloaliphatic compounds, containing the group or, e.g. phenoxyethylamine, phenylthio-acetonitrile, phenoxyacetone
- A01N39/02—Aryloxy-carboxylic acids; Derivatives thereof
- A01N39/04—Aryloxy-acetic acids; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—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
-
- 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
- A01N43/80—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 1,2
Abstract
The invention discloses a kind of Herbicidal composition for rice field, comprising cyhalofop-butyl, four kinds of active ingredients of the different monooctyl ester, clomazones of fluroxypyr and ethoxysulfuron, wherein, four kinds of active ingredient mass ratioes are 15 ~ 35：4~8：6~12：0.5 ~ 3, the mass percent summation of four kinds of active ingredients in the composition is 1 ~ 60%.Herbicidal combinations of the present invention, relative to the single dose of equally effective composition, for two-spot or the ternary built combination of same type, can effectively expand herbicide controlling spectrum, while obvious to the preventing and treating rice terrace stem or leaf of cattail and resistant biotypes Monochoria vaginalis synergistic effect.Herbicidal combinations of the present invention are applied to prevent and kill off the most of grass family of rice terrace, broadleaved herb and sedge weed, and safety is showed to paddy rice.
Description
Technical field
The present invention relates to a kind of Herbicidal composition for rice field and its application.It is especially a kind of to contain cyhalofop-butyl, chlorine fluorine pyrrole
The Herbicidal combinations that four kinds of active ingredients of the different monooctyl ester, clomazones of fluoroacetic acid and ethoxysulfuron are compounded, belong to pesticide technology
Field.
Background technology
Cyhalofop-butyl (Cyhalofop-butyl), chemical name (R) -2- [4- itrile group -2- fluorophenoxies] phenoxy group] propionic acid
Butyl ester, belongs to aryloxyphenoxypropionic class herbicide, is developed by the Dow Chemical Company, and the mechanism of action presses down for acetyl-CoA carboxylase
Preparation, makes aliphatic acid synthesis stopping, and the growth division of cell can not be normally carried out, and the destruction of the structure containing fat such as membranous system is finally led
Cause Plant death.It is efficient to moleplant seed to paddy rice high safety, there is certain preventive effect to low age barnyard grass, but to Herba Eragrostidis ferrugineae of cracking rice, west
Come barnyard grass, blue or green barnyard grass, bald barnyard, eleusine indica and other effects undesirable.
The different monooctyl ester of fluroxypyr (Fluroxypyr-meptyl), chemical name ((the fluoro- 2- of chloro- 6- of 4- amino -3,5- bis-
Pyridine) epoxide)-acetic acid 1- methylheptyl esters, belong to pyridine fluoroacetic acid class herbicide, with uptake and translocation effect, after seedling is used,
There is the reaction of classical hormones class herbicide in sensitive crop.Clearvers, field bindweed, shepherd's purse, chickweed, volume stem are prevented and kill off suitable for rice terrace
The broad leaved weeds such as amaranth, purslane, alternanthera philoxeroides, it is poor to grass family and sedge weed effect.
Clomazone (Command), also known as clomazone, chemical name 2- (2- chlorobenzyls) -4,4- dimethyl isoxazoles -3-
Ketone.It is selective herbicide before organic heterocyclic class bud, carotenoid inhibitor.Absorbed by the root and young shoot of plant, to upload
Lead each position of plant；Cauline leaf process only has action of contace poison, does not conduct downwards.Carrotene is hindered into the medicament in plant
With the biosynthesis of chlorophyll, the weeds chlorosis for making rudiment unearthed, and it is dead in a short time.Suitable for soybean, sugarcane, peanut,
Potato, tobacco, rape and rice terrace prevent and kill off annual gramineous weed and broad leaved weed.
Ethoxysulfuron (Ethoxysulfuron), chemical name 1- (4,6- dimethoxypyridin -2- bases) -3- (2- ethyoxyls
Methylsulfonyl phenoxy base) urea, belong to branched-chain amino acid synthesis (ALS or AHAS) inhibitor, by block basic amino acid valine and
The biosynthesis of isoleucine, so as to prevent division and the plant growth of cell.With good selectivity, for preventing and treating paddy rice
Field nutgrass flatsedge and annual broadleaf weed, it is poor to grass family preventive effect.
Chemical herbicide is while preventing and kill off work to farmland weed and bringing Gospel, in the selection index system of these herbicides
Under pressure, the drug-resistant organisms type that some drug resistance plant are produced due to gene selects effect starts rapid rise and spread,
Rice terrace resistant weed or malignant weed problem are gradually protruded.
Nearly 30 years since the later stage eighties in last century, China start in rice field be widely applied bensulfuron-methyl and
The sulfonylurea herbicide kind such as pyrazosulfuron, causes occur substantial amounts of anti-bensulfuron-methyl and pyrazosulfuron, flucetosulfuron at present
Deng bion Monochoria vaginalis, the traditional medicament preventive effect such as bensulfuron-methyl, pyrazosulfuron starts to slide, and doubles in the case of use still not
Can effectively it prevent and kill off.
The stem or leaf of cattail, is called cattail, water candle etc., Shu Fan Pu Ke, herbaceos perennial.Underground root-like stock of crawling is flourishing, ground
Upper stem is upright, high 0.5~3 meter, with seed and Propagation of Rhizomes.Second Year spring sprouts after seed is survived the winter.The young shoot on rhizome top
Formed in the fall and get over hibernaculum or stem tuber, many adventitious roots and one are given birth to thereon to several lateral buds, hibernaculum is got over to Second Year spring and sprouts,
Form ground strain.Because stem or leaf of cattail leaf surfaces wax coat is thicker, the general more difficult transmission epidermis of herbicide decoction penetrates into leaf internal layer.
In addition, stem or leaf of cattail fast growth, underground rhizome is flourishing, the chemical control difficulty of the particularly stem or leaf of cattail in rice terrace is larger.
Chinese patent CN 104285957A《Compound herbicide containing cyhalofop-butyl, fluroxypyr and bispyribac-sodium and
It is applied》Disclose a kind of herbicidal composition containing cyhalofop-butyl, fluroxypyr and bispyribac-sodium, cyhalofop-butyl, chlorine
The weight ratio of fluorine pyrrole fluoroacetic acid and bispyribac-sodium is 5~25：10~20：10~20, it can effectively prevent and treat barnyard grass in paddy field, lady's-grass, dog tail
The broad leaved weed such as the grassy weeds such as grass and dayflower, Amaranthus retroflexus；Chinese patent CN 1025242272A《A kind of Herbicidal combination
Thing》Disclose a kind of herbicidal composition containing penoxsuam, cyhalofop-butyl and fluroxypyr, wherein penoxsulam
The weight ratio of amine, cyhalofop-butyl and fluroxypyr is 1：6~9：8~17, it can effectively prevent and treat barnyard grass in paddy field, annual nutgrass flatsedge
And a variety of broad leaved weeds；Chinese patent CN 105211072A《Herbicidal combinations》Disclose one kind and contain cyhalofop-butyl, chlorine fluorine
Pyrrole fluoroacetic acid is He the herbicidal composition of clomazone, wherein cyhalofop-butyl, fluroxypyr He the weight ratio of clomazone
For 15~35：4~8：6~12, it can effectively prevent and treat the weeds such as barnyard grass in paddy field, lady's-grass, moleplant seed；Chinese patent CN
106376576A《A kind of ternary weeding composition》Disclose one kind and contain cyhalofop-butyl, fluroxypyr and metamifop
Ternary herbicidal composition, wherein the weight ratio of cyhalofop-butyl, fluroxypyr and metamifop be 1~90：1~
90：1~90, it can effectively prevent and treat barnyard grass in paddy field, lady's-grass, moleplant seed, rice Leersia Sw, Monochoria vaginalis, alternanthera philoxeroides and false loosestrife etc.
Weeds；Chinese patent CN 103583523A《A kind of Herbicidal composition for rice field》Disclose it is a kind of containing fluroxypyr, it is phonetic
Pyridine oxime grass ether and cyhalofop-butyl herbicidal composition, wherein fluroxypyr, pyribenzoxim and cyhalofop-butyl in group
Percentage by weight in compound is respectively 1~30%, 1~10% and 1~20%, can effectively prevent and treat rice terrace grassy weed and
Broad leaved weed；But above-mentioned all patents are not directed to the stem or leaf of cattail in rice field and the current resistant organisms being on the rise
The preventing and treating of type Monochoria vaginalis.
Inventor has found that cyanogen fluorine is careless in surprise during the related problem of tackling key problem rice terrace resistant biotypes weed control technology
Cooperate with and increase under special ratios after four kinds of active ingredient compoundings of the different monooctyl ester, clomazones of ester, fluroxypyr and ethoxysulfuron
Effect is obvious, not only good to rice terrace annual gramineae, broad leaved weed preventive effect, while to the difficult stem or leaf of cattail prevented and kill off in rice terrace and resisting
Property bion Monochoria vaginalis has good preventive effect, and very safe to paddy rice under dosage.
The present invention is to the paddy field weeding group containing cyhalofop-butyl, the different monooctyl ester, clomazones of fluroxypyr and ethoxysulfuron
Compound is had made intensive studies using technology, by lot of experiments, completes the present invention, it can effectively solve current rice terrace and prevent and kill off
Field hardly possible removes pernicious grassy weed dispenser dosage is big, access times are more, residues of pesticides are serious, resistant biotypes weeds hardly possible is anti-etc.
Problem.
Have not yet to see and be related to contain cyhalofop-butyl, the different monooctyl ester, clomazones of fluroxypyr and ethoxysulfuron
The relevant report of herbicide.
The content of the invention
The present invention is in order to overcome the deficiencies in the prior art there is provided a kind of poison more high and low to crop safety, low-residual, kill
Grass spectrum is wide, can effectively delay the Herbicidal composition for rice field of herbicide resistance.
To achieve these goals, the present invention uses following technical scheme：A kind of Herbicidal composition for rice field, including cyanogen fluorine
Four kinds of active principles of the different monooctyl ester, clomazones of careless ester, fluroxypyr and ethoxysulfuron, the cyhalofop-butyl, chlorine fluorine pyrrole oxygen
The weight ratio of 2-ethyl hexyl ethanoate, clomazones and ethoxysulfuron is 15~35：4~8：6~12：0.5~3.
Further, the weight of the different monooctyl ester, clomazones of the cyhalofop-butyl, fluroxypyr and ethoxysulfuron accounts for group
The 1-60% of compound gross weight.
The auxiliary agent includes emulsifying agent, dispersant, suspending agent, synergist, preservative and solvent.
The emulsifying agent is calcium dodecyl benzene sulfonate, styrylphenol polyoxyethylene ether, alkylaryl polyoxyethylene
Polyethenoxy ether, castor oil polyoxyethylene ether, polyoxyethylene polyoxypropylene block copolymer, APES phosphate
In one or more.
The dispersant be sodium lignin sulfonate, alkylnaphthalene sulfonate, alkylphenol-polyethenoxy formaldehyde condensation products sulfate,
One or more in dispersing agent MF, phosphate.
The suspending agent is the one or more in organobentonite, xanthans, white carbon.
The synergist is poly- trisiloxanes, heterogeneous ten alcohol polyoxyethylene ether, isomerous tridecanol polyoxyethylene ether, butanedioic acid
One or more in di-isooctyl sulfonate.
The preservative is one or both of sodium benzoate, Kathon CG.
The solvent is soybean oil, methyl oleate, methyl naphthalene higher aliphatic hydrocarbon ils, aromatic hydrocarbons S-150, S-200 solvents
One or more in oil.
Herbicidal combinations of the present invention, can be prepared into missible oil, suspension emulsion, can be divided by conventional pesticide producing mode, processing
Dissipate the formulation that various forms of suitable agricultural productions such as oil-suspending agent are used.
Described Herbicidal combinations, its application is to prevent and kill off paddy field weed.
Further, described Herbicidal combinations, it is used to prevent and kill off rice terrace resistance Monochoria vaginalis and the stem or leaf of cattail.
The frequency of use and usage amount of the Herbicidal composition for paddy fields of the present invention are as plant growth, weeds occur, weather becomes
Change and have a small amount of change, the purpose effectively prevented and treated can be reached by using appropriate dosage, to rice safety.
In summary, the beneficial effects of the invention are as follows：Can keeping from ill grassy weed, cost is low, and can effectively reduce makes
Consumption, reduces times for spraying, and broad weed-killing spectrum can effectively delay herbicide resistance, and herbicidal effect is preferable.
Embodiment
In order that those skilled in the art are better understood from the essence of the present invention, come with reference to specific embodiment to this
Invention is further described, but does not limit the invention to these embodiments.Those skilled in the art should recognize
Know, present invention encompasses all alternatives, improvement project and the equivalents potentially included in Claims scope.
It is raw to survey embodiment
It is different pungent with reaction cyhalofop-butyl, fluroxypyr definitely below by way of greenhouse pot culture active determination test
Between ester, clomazones antagonism Monochoria vaginalis mixed with ethoxysulfuron and the synergistic effect of the stem or leaf of cattail, further comparative composition, with
And the activity of weeding between composition and single dose, to better illustrate Herbicidal combinations of the present invention.
It is raw to survey embodiment 1
Test name：The toxicity examination mixed with ethoxysulfuron of the different monooctyl ester, clomazones of cyhalofop-butyl, fluroxypyr
Test.
Test target：It is experiment target from the stem or leaf of cattail and resistant biotypes Monochoria vaginalis.Stem tuber or seed are collected in Zhejiang respectively
Jiang Jinhua and Zhanjiang.
Test medicine：95% cyhalofop-butyl active compound, the different monooctyl ester of 95% fluroxypyr, 95% clomazone TC and 96%
Ethoxysulfuron TC.
Test medicine and preparation：A certain amount of active compound is weighed, mother liquor is made into from the dissolving of suitable organic solvent, by setting
Dosage is handled with the distilled water diluting containing 0.1% Tween-80 into test dose.
Try material culture：The experiment special soil that experiment soil is collected for non-medication plot, from bore 21cm, deep 17cm plastics
Flowerpot, is filled to 3/4 height by soil, adds water after soil is moistened completely, the uniform cuttage of stem or leaf of cattail stem tuber that field is gathered to basin alms bowl
In, Monochoria vaginalis seed uniform broadcasting.Hot-house culture is bred, and regular moisturizing is to keep 100% soil moisture, target length to 3~4
It is stand-by for trying during the leaf phase, ensure there be 6-10 strain per basin.
Test method：Using greenhouse pot culture method, examination weeds spraying treatment is supplied under each dosage.Often processing sets 4 repetitions, separately sets
Blank control.Handle in rearmounted greenhouse and cultivate, regular moisturizing keeps soil moisture.
Investigation method：Routine observation plant reaction symptom after processing, and 21d aerial parts weeds fresh weight after medicine is determined, count
Fresh weight inhibition is calculated, medicament is evaluated to target virulence with fresh weight inhibition.
Fresh weight inhibition (%)=(control fresh weight-processing fresh weight)/control fresh weight * 100.
Synergy evaluation method：Using DPS software analysis, virulence equation, LC are calculated50It is worth (gai/hm2) and poison is altogether
Number CTC, the results are shown in Table 1 and table 2.
Table 1：The different monooctyl ester, clomazones of cyhalofop-butyl, fluroxypyr and ethoxysulfuron single dose and mixed to stem or leaf of cattail poison
Power result of the test.
Table 2：The different monooctyl ester, clomazones of cyhalofop-butyl, fluroxypyr are given birth to ethoxysulfuron single dose and mixed antagonism
Thing type Monochoria vaginalis virulence test result.
Wherein co-toxicity coefficient>120 represent synergistic effects, and CTC is expressed as antagonism less than 80, CTC between 80-120 it
Between be expressed as summation action.CTC numerical value is bigger, and synergistic effect is more notable.According to Tables 1 and 2 result of the test, cyhalofop-butyl, chlorine
The different monooctyl ester, clomazones of fluorine pyrrole fluoroacetic acid and ethoxysulfuron combination have obvious to the stem or leaf of cattail and resistant biotypes Monochoria vaginalis
Inhibitory action, synergistic effect is notable.
Example of formulations
In embodiments below active ingredient using 95% cyhalofop-butyl TC, the different monooctyl ester TC of 95% fluroxypyr,
95% clomazone TC and 96% ethoxysulfuron TC, each component percentage composition is weight percent content.
Embodiment 1：32% cyanogen fluorine chlorine fluorine pyrrole Yi Evil ethoxysulfurons (20:6:3:3) oil-suspending agent
Cyhalofop-butyl 20%, the different , clomazones 3% of monooctyl ester 6% of fluroxypyr, ethoxysulfuron 3%, 18% emulsifying agent
This grease of bamboo YUS-110,5% bamboo this grease dispersant EP60P, 1.5% organobentonite 838F, gas-phase silica 0.2%,
Above component is mixed and carries out sand by sand mill by No. 200 solvent naphthas 15%, methyl oleate surplus with cutter high speed shear
Mill, is made the 37% different monooctyl ester clomazones ethoxysulfurons (20 of cyhalofop-butyl fluroxypyrs:6:3:3) dispersible oil is outstanding
Floating agent.
Embodiment 2：37% cyanogen fluorine chlorine fluorine pyrrole Yi Evil ethoxysulfurons (20:6:9:2) oil-suspending agent
Cyhalofop-butyl 20%, the different , clomazones 9% of monooctyl ester 6% of fluroxypyr, ethoxysulfuron 2%, emulsifying agent 12
Alkyl benzene calcium sulfonate 3%, dispersant alkyl phenol polyether phosphoric acid ester 2.5%, emulsifying agent alkylphenol-polyethenoxy polyoxypropylene is embedding
Section polyethers 3.4%, emulsifying agent AEO 5%, thickener organobentonite 1.2%, methyl oleate surplus.Will be each
Active component, various adjuvants etc. are sufficiently mixed by formula rate, are sanded by sand mill, stirring produces 37% cyanogen fluorine grass
The different monooctyl ester clomazone ethoxysulfuron (20 of ester fluroxypyr:6:9:2) oil-suspending agent.
Embodiment 3：27% cyanogen fluorine chlorine fluorine pyrrole Yi Evil ethoxysulfurons (15:4:6:2) suspension emulsion
Cyhalofop-butyl 15%, the different , clomazones 6% of monooctyl ester 4% of fluroxypyr, ethoxysulfuron 2%, dispersant divides greatly
Sub- polyoxyethylene polyoxypropylene block polyether 3%, emulsifying agent castor oil polyoxyethylene ether 1.5%, emulsifying agent fatty alcohol polyoxy second
Alkene ether 5%, dispersant list pectination carboxylate polymer 0.5%, dispersant alkyl phenol polyether phosphoric acid ester %2.5%, thickener
Aluminium-magnesium silicate 0.2%, antifreeze glycol 4%, thickener xanthans 0.1%, Preservative Kathon CG(Methylchloroisothiazolinone/Methylisothiazolinone combination) 0.1%, organic silicon defoamer
0.3%, C9-10 heavy aromatic solvent oil 24%, water surplus.By cyhalofop-butyl, the different monooctyl ester, clomazones of fluroxypyr, C9-
10 heavy aromatic solvents add the dissolving of shear-mixed kettle completely, add macromolecular polyoxyethylene polyoxypropylene block polyether, castor-oil plant
Oily APEO, AEO emulsifier, it is stand-by as oil phase.By ethoxysulfuron, dispersant list dressing
Carboxylate polymer, phosphate, aluminium-magnesium silicate, defoamer, preservative, water are well mixed by high speed shear, are transferred to sand milling
Machine sand milling particle diameter all below 5 μm, transfers to cutting kettle, adds ethylene glycol, xanthans, and shearing, which is uniformly dispersed, produces water
Phase.By oil phase, directly emulsification, into aqueous phase, produces 27% cyhalofop-butyl fluroxypyr different pungent in high-speed shearing machine
Zhi clomazones ethoxysulfuron (15:4:6:2) suspension emulsion.
Embodiment 4：40% cyanogen fluorine chlorine fluorine pyrrole Yi Evil ethoxysulfurons (25:8:6:1) missible oil
Cyhalofop-butyl 25%, the different , clomazones 6% of monooctyl ester 8% of fluroxypyr, ethoxysulfuron 1%, 48% solvent naphtha
150#, 6% emulsifying agent 500#, 4% emulsifying agent 34#, 10% emulsifying agent AEO TO-7, by each active component,
Various solvents etc. are fully dissolved by formula rate, add each auxiliary component, stirring can be prepared by 40% cyhalofop-butyl chlorine fluorine
The different monooctyl ester clomazones ethoxysulfurons (25 of pyrrole fluoroacetic acid:8:6:1) missible oil
Embodiment 5：30% cyanogen fluorine chlorine fluorine pyrrole Yi Evil ethoxysulfurons (15:6:8:1) missible oil
Cyhalofop-butyl 15%, the different , clomazones 8% of monooctyl ester 6% of fluroxypyr, ethoxysulfuron 1%, emulsifying agent 12
Alkyl benzene calcium sulfonate 4%, emulsifying agent APES oxypropylene block polyethers 3.2%, wetting agent fatty alcohol polyoxy
Vinethene 15%, N- first class pyrrolidones 3%, dimethyl sulfoxide (DMSO) 4%, C9-10 heavy aromatic solvent oil surpluses.By it is each activity into
Point, various solvents etc. fully dissolved by formula rate, add each auxiliary component, stirring produces 30% cyhalofop-butyl chlorine fluorine
The different monooctyl ester clomazone ethoxysulfuron (15 of pyrrole fluoroacetic acid:6:8:1) missible oil.
Application Example
The different monooctyl ester clomazones ethoxysulfuron Herbicidal combinations of cyhalofop-butyl fluroxypyrs prevent and kill off rice terrace
The weeds test of pesticide effectiveness
(1) embodiment 1：32% cyanogen fluorine chlorine fluorine pyrrole Yi Evil ethoxysulfurons (20:6:3:3) oil-suspending agent
(2) embodiment 2：37% cyanogen fluorine chlorine fluorine pyrrole Yi Evil ethoxysulfurons (20:6:9:2) oil-suspending agent
(3) embodiment 3：27% cyanogen fluorine chlorine fluorine pyrrole Yi Evil ethoxysulfurons (15:4:6:2) suspension emulsion
(4) embodiment 4：40% cyanogen fluorine chlorine fluorine pyrrole Yi Evil ethoxysulfurons (25:8:6:1) missible oil
(5) embodiment 5：30% cyanogen fluorine chlorine fluorine pyrrole Yi Evil ethoxysulfurons (15:6:8:1) missible oil
(6) the 26% different monooctyl ester missible oil of cyhalofop-butyl fluroxypyrs
The different monooctyl ester clomazone missible oil of (7) 35% cyhalofop-butyl fluroxypyrs
(8) 10% cyhalofop-butyl missible oils
(9) the different monooctyl ester missible oil of 288g/L fluroxypyrs
(10) 480g/L clomazones missible oil
(11) 15% ethoxysulfuron water dispersible granules
Experimental field condition：Sample is carried out positioned at Zhejiang Province Dongyang City He Zhuan, and rice varieties are that yellow China accounts for conventional variety, the machine transplanting of rice
Or so leaf phase of seedling paddy rice 4, field main weeds have barnyard grass, Monochoria vaginalis, difformed galingale herb and stem or leaf of cattail etc..
Test method：Each test process sets 4 repetitions, experimental plot 20m2, random district's groups arrangement.Set and manually remove simultaneously
Grass and clear water control treatment.Each medicament is converted that fine earth is uniformly spread fertilizer over the fields or bottle is got rid of by every mu of test dose, water conservation 7 days after dispenser.Investigation
7 days, 15 days and 21 days paddy rice and weeds victimization state after test process, 21 days weeds fresh weights after investigation dispenser calculate fresh weight and prevented
Effect, result of the test is shown in Table 3.
Table 3：Fresh weight preventive effect of 21 days each test medicines to weeds in field after dispenser
By the field control effectiveness test result of table 3, it is found that 1~embodiment of embodiment 5 presses above-mentioned recommended dose dispenser, to paddy rice
The preventive effect of the weeds such as barnyard grass, Monochoria vaginalis, difformed galingale herb and the stem or leaf of cattail of Tanaka is all remarkably higher than 10% cyhalofop-butyl EC, 288g/L chlorine
Different monooctyl ester EC, 480g/L clomazone EC of fluorine pyrrole fluoroacetic acid and 15% ethoxysulfuron WDG single doses.It is to barnyard grass preventive effect and comparison medicine
The cyanogen fluorine chlorine fluorine pyrrole EC of agent 26% and 35% cyanogen fluorine chlorine fluorine pyrrole clomazone EC preventive effects are suitable, but it is to field Monochoria vaginalis and Pu
Careless preventive effect is protruded, and is significantly higher than comparison medicament processing, and obvious synergistic effect is showed to Monochoria vaginalis and the stem or leaf of cattail, and field integrates anti-
Imitate highly significant.
3 days after the use of 1~embodiment of embodiment 5, barnyard grass starts jaundice in processing cell, and growing point, which blacks, is poisoned；The stem or leaf of cattail
Lobus cardiacus albefaction, root growth point has poisoning symptom；Monochoria vaginalis and difformed galingale herb growth are suppressed, and cell portion paddy rice lobus cardiacus has white
Change phenomenon, but there are no obvious rice leaf burn, wilt phenomenon.7 days after dispenser, barnyard grass largely jaundice and gradually it is withered,
Stem or leaf of cattail yellow leaf, roots blacking, can pull apart conveniently, Monochoria vaginalis and difformed galingale herb growth it is suppressed, yellow leaf and gradually
Rotted at the bottom, paddy rice growing way is recovered completely, and plant height is normal.21 days after dispenser, barnyard grass, Monochoria vaginalis, the stem or leaf of cattail are substantially dead in cell
Die, Plant Height of Rice, tiller are significantly better than blank control.
As can be seen here, this by four kinds of cyhalofop-butyl, the different monooctyl ester, clomazones of fluroxypyr and ethoxysulfuron effectively into
The herbicidal effect of the Herbicidal combinations being grouped, more single medicament and two-spot or triple combination is significantly improved, and is shown fabulous
Synergistic effect, preferable prevention effect is respectively provided with to barnyard grass, Monochoria vaginalis, difformed galingale herb and stem or leaf of cattail etc., especially to rice terrace
Middle Monochoria vaginalis and the stem or leaf of cattail preventive effect is protruded, notable synergy.
Comprehensive indoor biometricses experiment and field control effectiveness test result, it was demonstrated that the present invention contains cyhalofop-butyl, chlorine fluorine pyrrole oxygen second
The Herbicidal combinations of the different monooctyl ester, clomazones of acid and ethoxysulfuron, to rice safety in certain dispenser dosage range, and are removed
Careless excellent performance.Herbicidal combinations of the present invention, easy to use simultaneously, is worth in agriculturally popularization and application.
Although above the present invention is described in detail with a general description of the specific embodiments, at this
On the basis of invention, further modification or improvement can be made to it.This will be apparent to those skilled in the art.Cause
This, these modifications or improvements, belong to the scope of protection of present invention without departing from theon the basis of the spirit of the present invention.
Claims (5)
1. a kind of Herbicidal composition for rice field, it is characterised in that：Contain cyhalofop-butyl, the different monooctyl ester, Yi Evil grass of fluroxypyr
Pine and four kinds of active ingredients of ethoxysulfuron, active ingredient mass ratio are 15 ~ 35：4~8：6~12：0.5~3.
2. Herbicidal composition for rice field according to claim 1, it is characterised in that：The cyhalofop-butyl, chlorine fluorine pyrrole oxygen second
The mass percent summation of the different monooctyl ester, clomazones of acid and four kinds of active ingredients of ethoxysulfuron in the composition is 1 ~ 60%.
3. Herbicidal composition for rice field according to claim 1 or 2, it is characterised in that：Missible oil, outstanding breast can be processed into
The formulations such as agent, dispersible oil-suspending agent.
4. the Herbicidal composition for rice field according to any one of claim 1-3, it is characterised in that：Suitable for preventing and kill off paddy rice
The most of grassy weeds in field, broad-leaved and sedge weed.
5. Herbicidal composition for rice field according to claim 4, it is characterised in that：The paddy field weed is resistant organisms
Type Monochoria vaginalis and the stem or leaf of cattail.
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| CN102204559A (en) * | 2011-05-06 | 2011-10-05 | 青岛海利尔药业有限公司 | Agricultural chemical composite herbicide containing cyhalofopbutyl |
| CN102217626A (en) * | 2011-05-06 | 2011-10-19 | 浙江泰达作物科技有限公司 | Water dispersible granule formulated from phytocide fluroxypyr and ethoxysulfuron and preparation method of granule |
| CN105211072A (en) * | 2015-08-20 | 2016-01-06 | 浙江天丰生物科学有限公司 | Herbicidal combinations |
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- 2017-06-16 CN CN201710456608.9A patent/CN107136111A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1318978A (en) * | 1998-07-16 | 2001-10-24 | 阿温提斯作物科学有限公司 | Herbicidal agents with substituted phenoxysulfonylureas |
| CN101530104A (en) * | 2009-04-21 | 2009-09-16 | 北京颖泰嘉和科技股份有限公司 | Herbicide composition containing sulfonylurea, pyridine and cyhalofop-butyl and use thereof |
| CN102204559A (en) * | 2011-05-06 | 2011-10-05 | 青岛海利尔药业有限公司 | Agricultural chemical composite herbicide containing cyhalofopbutyl |
| CN102217626A (en) * | 2011-05-06 | 2011-10-19 | 浙江泰达作物科技有限公司 | Water dispersible granule formulated from phytocide fluroxypyr and ethoxysulfuron and preparation method of granule |
| CN105211072A (en) * | 2015-08-20 | 2016-01-06 | 浙江天丰生物科学有限公司 | Herbicidal combinations |
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