CN102204559A - Agricultural chemical composite herbicide containing cyhalofopbutyl - Google Patents
Agricultural chemical composite herbicide containing cyhalofopbutyl Download PDFInfo
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- CN102204559A CN102204559A CN2011101162298A CN201110116229A CN102204559A CN 102204559 A CN102204559 A CN 102204559A CN 2011101162298 A CN2011101162298 A CN 2011101162298A CN 201110116229 A CN201110116229 A CN 201110116229A CN 102204559 A CN102204559 A CN 102204559A
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- herbicidal combinations
- ethoxysulfuron
- grass
- cyhalofop
- butyl
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Abstract
The invention relates to a weeding composition in the field of pesticide compounding. The effective components of the weeding composition comprise cyhalofopbutyl and ethoxysulfuron which are subjected to two-component blending; the proportion of the two effective components by weight percentage is (1-90): (90-1), preferably (1-40): (40-1); and the weeding composition comprises 1-90 percent by total weight of the effective components and the balance of allowed and acceptable auxiliary components in pesticide. The weeding composition can be made into an oil suspension, wettable powder, water dispersible granules and powder, granules, a suspending agent, a dry suspending agent, emulsifiable concentrate, water emulsion in water, and microemulsion with the known method; and the weeding composition with cyhalofopbutyl and ethoxysulfuron as the effective components has an excellent effect during the prevention and removal of weeds in the paddy field.
Description
Technical field
The present invention relates to a kind of Herbicidal combinations, being specially a kind of is the composite Herbicidal combinations of active ingredient with cyhalofop-butyl and ethoxysulfuron, and the application of said composition on the control paddy field weed.
Background technology
Paddy rice is the first cereal crops of China, the kind of paddy field weed is a lot, the kind difference takes place in the various places weeds, rice district, the whole nation has kind surplus the weeds 200 approximately, wherein common generation is general, the serious main weeds of harm has 40 kinds approximately, take place and the hazard area maximum with the barnyard grass grass in the main weeds, secondly take second place for difformed galingale herb, Monochoria vaginalis, flat stalk Fischer grass, moleplant seed, pondweed.
Cyhalofop-butyl (cyhalofop-butyl), chemical name: (R)-2-[4 (4-cyano group-2-fluorophenoxy) phenoxy group]-butyl propionate, cyhalofop-butyl is the only kind that paddy rice is had tight security in the fragrant phenoxy propionic acid class weed killer herbicide, the same with such other kinds, also be interior suction conductivity weed killer herbicide.Blade and leaf sheath by plant corpus absorb, and the phloem conduction accumulates the meristem zone in plant corpus, resist acetyl-CoA carboxylase (ACCase), fatty acid is synthesized stop, the growth division of cell can not normally be carried out, film system etc. contains the fat structural deterioration, causes plant death at last.Be mainly used in and prevent and kill off important grassy weed, not only efficient to moleplant seed, various barnyard grass grass (comprising above the average age for marriage barnyard grass grass), also can prevent and kill off, lady's-grass, Paspalum distichum, green foxtail, eleusine indica, amur foxtail etc., invalid to sedge weed and broad leaved weed.
Ethoxysulfuron is a kind of sulfonylurea super-high-efficient, low toxicity herbicide.Be absorbed as the master with weeds young shoot, cauline leaf, 3-7 days weeds stop growing after the dispenser, gradually withered death.Ethoxy sulphur is grand to be mainly used in rice seedling bed, rice transplanting field, live field, prevents and kill off broad leaved weed and nutgrass flatsedges such as Monochoria vaginalis, water silk floss, Monochoria korsakowii, dichotomous fimbristylis herb, difformed galingale herb, cyperus iria, needle spikesedge herb, Herba Cyperi Glomerati, firefly shade, pondweed, rhizoma alismatis, arrowhead, wolf tail grass, beggar-ticks, mexicana, Herba Ammanniae Bacciferae, four leaf duckweeds, false loosestrife, pipewort.
It is narrow that the weed killer herbicide that only contains single active ingredient kills the grass spectrum, and quick-acting is difficult to take into account with lasting effect, and the long-time increase pesticide resistance easily of using, and the residual quantity height causes certain harm to environment.Through the research staff of our company studying for a long period of time in the mixture of herbicides field, a kind of new Herbicidal combinations has been proposed, said composition is to be the Herbicidal combinations that the effective active composition rationally is mixed by a certain percentage with cyhalofop-butyl and ethoxysulfuron, the grass that kills that has enlarged paddy field is greatly composed, thereby reduce medication number of times and dosage, lowered cost, more useful to environment, and quick-acting is stronger, and lasting effect has had large increase.And do not find to have this composite relevant report both at home and abroad through associate's retrieval.
Summary of the invention
It is general bigger to the purpose of this invention is to provide a kind of weeding, and quick-acting is stronger, the Herbicidal combinations that lasting effect is more of a specified duration, and the active ingredient of this Herbicidal combinations is cyhalofop-butyl and ethoxysulfuron.Be mainly used in preventing and kill off of paddy field weed.
Herbicidal combinations of the present invention is characterised in that, this Herbicidal combinations is to be that active ingredient rationally is mixed with cyhalofop-butyl and ethoxysulfuron, and wherein the percentage by weight of active ingredient cyhalofop-butyl and ethoxysulfuron is 1～90: 90～1.
Herbicidal combinations of the present invention is characterised in that it is 1～40: 40～1 that the percentage by weight of active ingredient cyhalofop-butyl and ethoxysulfuron can be preferably.
Described Herbicidal combinations of the present invention is characterized in that it is oil-suspending agent, wetting powder, water dispersible granules pulvis, granule, suspending agent, dry suspending agent, missible oil, aqueous emulsion, microemulsion that relevant auxiliary agent of active ingredient adding and safener can be made into the upward suitable formulation of agricultural.In described Herbicidal combinations preparation, the active ingredient total content accounts for the 1%-90% of preparation total amount.
Formulation embodiment substantially is:
One of technical scheme of the present invention, described Pesticidal combination are aqueous emulsion, and the percentage by weight of component is:
The concrete production stage of this aqueous emulsion is: at first former medicine cyhalofop-butyl is added with ethoxysulfuron, solvent and emulsifier, cosolvent and be in the same place, make and be dissolved into uniform oil phase; With part water, antifreeze, other insecticides adjuvant such as antimicrobial mixes into uniform water; When the reactor high speed stirs, oil phase is added water, slowly add water, open clipper and carry out high speed shear, and add remaining water, shear half an hour approximately, form the aqueous emulsion of oil-in-water type until reaching the phase inversion point.Promptly can be made into the aqueous emulsion of the present composition.
Two of technical scheme of the present invention, when described Pesticidal combination was microemulsion, the percentage by weight of component was:
The concrete production stage of this microemulsion is: former medicine cyhalofop-butyl, ethoxysulfuron are dissolved fully with cosolvent, add other compositions such as emulsifier, antifreezing agent stabilizing agent again, evenly mix, add entry at last, can be made into microemulsion after fully stirring.
Three of technical scheme of the present invention, described Pesticidal combination are cream preparation, and the mass percent of component is:
The concrete production stage of this cream preparation adds emulsifier, the synergist back that stirs after the dissolving fully again and becomes the oily liquids of transparent and homogeneous for earlier active ingredient cyhalofop-butyl, ethoxysulfuron being added in the solvent, can promptly can be made into the cream preparation of the present composition.
Four of technical scheme of the present invention, described Pesticidal combination are suspending agent, and the percentage by weight of component is:
The concrete production stage of this suspending agent is earlier other auxiliary agents to be mixed, mix through high speed shear, add active ingredient cyhalofop-butyl, ethoxysulfuron, abrading-ball is 2～3 hours in ball crusher, make a diameter all below 5mm, promptly can be made into the suspending agent preparation of the present composition.
Five of technical scheme of the present invention, described Pesticidal combination is a wetting powder, the percentage by weight of component is:
The concrete production stage of this wetting powder is: by above-mentioned prescription active ingredient cyhalofop-butyl, ethoxysulfuron and dispersant, wetting agent and filler are mixed, in stirred tank, evenly stir, behind airslide disintegrating mill, mixing, promptly can be made into the wetting powder of the present composition.
Six of technical scheme of the present invention, described Pesticidal combination are water dispersible granules, and the percentage by weight of component is:
The concrete production stage of this water dispersible granules is: by above-mentioned prescription active ingredient cyhalofop-butyl, ethoxysulfuron and dispersant, wetting agent, disintegrant and filler are mixed, pulverize with micro jet, through mediating, add then and carry out granulation, drying, screening in the fluidized bed prilling dryer after sample analysis, promptly can be made into the water dispersible granules of the present composition.
Seven of technical scheme of the present invention, described Pesticidal combination are granule, and the percentage by weight of component is:
Each component such as active ingredient, dispersant, stabilizing agent, defoamer and solvent is mixed in the ratio of prescription, after putting into the sand milling still and grinding, send into the interior mixing of homogeneous blender and get product.
Auxiliary agent is selected from following composition:
Emulsifier is alkylbenzene naphthalene sulfonate, alkylphenol polyoxyethylene phosphate, diphenyl phenol polyethenoxy polyethenoxy ether, styrenated phenol APEO, alkylphenol polyoxyethylene formaldehyde condensation products, diphenyl phenol polyethenoxy polyformaldehyde condensation product, castor oil ethylene oxide adduct and derivative thereof, for example farming breast 300, farming breast 500, farming breast 600, Nongru-700, agricultural newborn SorplKS, OX2511, NNO, NP series etc., emulsifier can be one or more mixture
Dispersant has one or several the mixture in lignosulfonates, fatty acid amide N methyl taurine sodium salt, alkylphenol polyoxyethylene sulphate, lignosulfite, fatty acid ester sulphate, polyoxyethylene polyoxypropylene block copolymer, alkylphenol polyoxyethylene, the fatty alcohol-polyoxyethylene ether.
Wetting agent is one or several the mixture in fatty acid amide N methyl taurine sodium salt, lignosulfonates, alkylphenol polyoxyethylene sulphate, petroleum sodium sulfonate, alkylnaphthalene sulfonate, fatty acid ester sulphate, alkylphenol polyoxyethylene, fatty alcohol-polyoxyethylene ether, lignosulfite, the withered powder of tea, the spaonin powder.
Thickener is one or more the mixture in CMC, polyvinyl alcohol, xanthans, gum Arabic, sodium alginate, polyvinylpyrrolidone, bentonite, aluminium-magnesium silicate, the gypsum.
Penetrating agent is one or both the mixture among Laurocapram, the JFC.
Defoamer can be one or more the mixture in organic silicone oil, methyl alcohol, ethanol, the epoxidized soybean oil.
Antifreezing agent is one or more the mixture in ethylene glycol, propane diols, glycerine, polyethylene glycol, the sorbierite.
PH value conditioning agent is one or more the mixture in sodium hydroxide, potassium hydroxide, ammoniacal liquor, hydrochloric acid, acetic acid, phosphoric acid or the citric acid.
Solvent and cosolvent have one or more the mixture in water, methyl alcohol, ethanol, butanols, ethylene glycol, propane diols, glycerine, polyethylene glycol, acetone, cyclohexanone, pyrrolidones, toluene, dimethylbenzene, ethyl acetate, dimethyl formamide (DMF), the dimethyl sulfoxide (DMSO) (DMSO).
Disintegrant can be one or more the mixture in urea, magnesium chloride, aluminium chloride, sodium chloride, ammonium sulfate, the bentonite.
Carrier is one or more the mixture in kaolin, diatomite, atlapulgite, white carbon black, clay, precipitated calcium carbonate, talcum powder, the montmorillonite.
Described Herbicidal combinations, it is characterized in that being used for agent for removing grass in paddy field, be particularly useful for paddy field barnyard grass grass, broad leaved weed, sedge weed, the specifically weeds that can prevent and kill off nutgrass flatsedge for example, Monochoria vaginalis, flat stalk Fischer grass, moleplant seed, pondweed, the barnyard grass grass, flat stalk Fischer grass, needle spikesedge herb, Monochoria korsakowii, firefly Lin, the water silk floss, the barnyard grass grass, difformed galingale herb, Herba Ammanniae Bacciferae, Eclipta prostrata, Herba Cyperi Glomerati, rice Li Shi standing grain, floating heart, duckweed, cyperus iria, short arrowhead, alternanthera philoxeroides, Procumbent Falsepimpernel, firefly Lin Ping, rhizoma alismatis, short arrowhead, apple, little najas marina, mexicana, the often living weeds of paddy fields such as the fire hose.
Herbicidal combinations of the present invention obvious advantage be:
1. two kinds of compositions have an obvious synergistic effect in conjunction with composite in the Herbicidal combinations of the present invention, can reduce effective ingredient consumption, improve herbicidal effect.
2. Herbicidal combinations of the present invention can enlarge prevents and kill off spectrum, and composition has good herbicidal effect to paddy field broad leaved weed and grassy weed.
3. Herbicidal combinations of the present invention has improved the quick-acting to weeds greatly, has prolonged the persistence of weed control.
4. based on the synergy of compound drug, significantly reduce dosage, improve the safety of composition, reduce use cost second stubble crop, significant to ecology and environmental protection.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, the present invention describes with following specific embodiment, but the present invention is limited to these examples absolutely not.The following stated only is the present invention embodiment preferably, only is used to explain the present invention, can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that all any modifications of being made within the spirit and principles in the present invention, be equal to replacement and improvement etc., all should be included within protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with appended claims.
The method that the present invention adopts indoor bioassay and field trial to combine.If no special instructions, the ratio of below mentioning (comprising percentage) all is a mass ratio.
1, joint toxicity measuring
Test site: test is in rel rice test field, sea, Qingdao, Hubei Province.
Subjects: paddy field weed-barnyard grass grass and nutgrass flatsedge.
Test medicine: 20% cyhalofop-butyl ethoxysulfuron.
Assay method: field trial method.Handle at barnyard grass grass and the spraying of nutgrass flatsedge 2-5 leaf after date phase cauline leaf; 750 liters/hectare of the water yields are converted in spraying, measure the weeds fresh weight of living in 10 days after the dispenser, and every processing repeats for five times, adopts the Colby method to judge the synergy type.
Colby law theory preventive effect computing formula is:
E
0＝XY/100
E in the formula
0Be single agent A and the B theoretical preventive effect after using with; X is that weed killer herbicide A weeds weight under certain dosage is the percentage of contrast weeds weight; Y is that weed killer herbicide B weeds weight under certain dosage is the percentage of contrast weeds weight; If being A, B, E uses the percentage of the weeds weight of back actual measurement with for contrast weeds weight.
If E is significantly less than E
0, then be synergistic effect; E and E
0, approaching, then be summation action; E is obviously greater than E
0, then be antagonism.
Result of the test:
Table 1 cyhalofop-butyl and ethoxysulfuron are composite to paddy rice barnyard grass grass, nutgrass flatsedge joint toxicity measuring
The virulence test example shows, cyhalofop-butyl and ethoxysulfuron be composite to have the notable synergistic effect, and 20% formulation, cyhalofop-butyl: the mass ratio of ethoxysulfuron is that 7: 13 and synergistic effect in 9: 11 o'clock are comparatively obvious, suggestion is done further field experiment in this scope, with its synergistic effect of better evaluation.
2, field control effectiveness test
In May, 2010 is at Macheng town, Jingmen, Hubei paddy field, the rice transplanting phase is in mid or late May, general rice weed such as barnyard grass grass seeding stage are in the first tenday period of a month in May, the peak period is at the beginning of 5 the end of month to 6 month, 2～3 leaf phases that reached that during this experiment dispenser there are field barnyard grass grass, spray test region area 20m respectively with following test medicament and contrast agents
2, repeat for three times, carried out effect research behind the medicine in 10 days.Adopt accidental sampling during investigation, the sampling area is 1m
2, investigation survival strain number, result of the test is as follows:
The composite field efficiency test of table 2 cyhalofop-butyl and ethoxysulfuron
This field experiment is the result show, 7% cyhalofop-butyl+13% ethoxysulfuron is all better to the preventive effect of weeds such as paddy field grass family, nutgrass flatsedge, broadleaved herb, and the average preventive effect after 10 days is 87.3%, 89.5%, 92%.According to the field range estimation, in the test dose scope, plant growth is normal, and rice transplanting is all safer with the paddy rice of planting the dual mode transplanting, does not see that plant produces poisoning and anomaly, illustrates that it is safe to paddy rice.And aquatic animals such as rice field Mesichthyes, loach, river snail, tadpole do not have the obvious minimizing or the phenomena of mortality.Explanation is to other aquatile free of toxic effects.
To sum up virulence and field experiment result verification, the present invention contains the Herbicidal combinations of cyhalofop-butyl and ethoxysulfuron, to paddy field barnyard grass grass, broad leaved weed, sedge weed, concrete as nutgrass flatsedge, Monochoria vaginalis, flat stalk Fischer grass, moleplant seed, pondweed, the barnyard grass grass, flat stalk Fischer grass, needle spikesedge herb, Monochoria korsakowii, firefly Lin, the water silk floss, the barnyard grass grass, difformed galingale herb, Herba Ammanniae Bacciferae, Eclipta prostrata, Herba Cyperi Glomerati, rice Li Shi standing grain, floating heart, duckweed, cyperus iria, short arrowhead, alternanthera philoxeroides, Procumbent Falsepimpernel, firefly Lin Ping, rhizoma alismatis, short arrowhead, apple, little najas marina, mexicana, the often living weeds of paddy fields such as the fire hose have excellent preventive effect.And to the target crop safety, compare with single agent, Herbicidal combinations of the present invention has mechanism of action uniqueness, has consumption few, and weeding is general more extensive, and the lasting period is longer, more obvious advantage such as environmental protection.So research and development of the present invention and popularization have important social meaning and environment protection significance.
Claims (8)
1. farm weeding composition is characterized in that: this Herbicidal combinations is to be that two yuan of carrying out of active ingredient are mixed with cyhalofop-butyl and ethoxysulfuron.
2. Herbicidal combinations according to claim 1 is characterized in that: the active ingredient cyhalofop-butyl of this Herbicidal combinations and the percentage by weight of ethoxysulfuron are 1～90: 90～1.
3. Herbicidal combinations according to claim 1 is characterized in that: the active ingredient cyhalofop-butyl of this Herbicidal combinations and the percentage by weight of ethoxysulfuron are 1～40: 40～1.
4. Herbicidal combinations according to claim 1 is characterized in that: active ingredient cyhalofop-butyl and the ethoxysulfuron gross weight percentage composition in preparation is 1%-90% in this Herbicidal combinations.
5. Herbicidal combinations according to claim 1 is characterized in that: the formulation that Herbicidal combinations of the present invention can be prepared according to the known method of those skilled in the art of the present technique is oil-suspending agent, wetting powder, water dispersible granules pulvis, granule, suspending agent, dry suspending agent, missible oil, aqueous emulsion, microemulsion.
6. Herbicidal combinations according to claim 1 is characterized in that: Herbicidal combinations of the present invention is mainly used in prevents and kill off paddy field weed.
7. Herbicidal combinations according to claim 6 is characterized in that: the paddy field weed that Herbicidal combinations of the present invention is used to prevent and kill off is mainly grassy weed, sedge weed, broad leaved weed.
8. Herbicidal combinations according to claim 7 is characterized in that: the paddy field weed that Herbicidal combinations of the present invention is used to prevent and kill off is specially nutgrass flatsedge, Monochoria vaginalis, flat stalk Fischer grass, moleplant seed, pondweed, barnyard grass grass, flat stalk Fischer grass, needle spikesedge herb, Monochoria korsakowii, firefly Lin, water silk floss, barnyard grass grass, difformed galingale herb, Herba Ammanniae Bacciferae, Eclipta prostrata, Herba Cyperi Glomerati, rice Li Shi standing grain, floating heart, duckweed, cyperus iria, short arrowhead, alternanthera philoxeroides, Procumbent Falsepimpernel, firefly Lin Ping, rhizoma alismatis, short arrowhead, apple, little najas marina, mexicana, the fire hose.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101162298A CN102204559A (en) | 2011-05-06 | 2011-05-06 | Agricultural chemical composite herbicide containing cyhalofopbutyl |
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|---|---|---|---|
| CN2011101162298A CN102204559A (en) | 2011-05-06 | 2011-05-06 | Agricultural chemical composite herbicide containing cyhalofopbutyl |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102334496A (en) * | 2011-11-09 | 2012-02-01 | 山东胜邦绿野化学有限公司 | Composite herbicide and preparation method thereof |
| CN103271064A (en) * | 2013-06-05 | 2013-09-04 | 江苏龙灯化学有限公司 | Weeding composition |
| CN104855408A (en) * | 2015-05-14 | 2015-08-26 | 北京明德立达农业科技有限公司 | Herbicide composition and use thereof |
| CN107136111A (en) * | 2017-06-16 | 2017-09-08 | 浙江天丰生物科学有限公司 | Herbicidal composition for rice field |
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| CN1325269A (en) * | 1998-11-04 | 2001-12-05 | 辛根塔参与股份公司 | Herbicidal composition |
| 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 |
| CN101686671A (en) * | 2007-06-19 | 2010-03-31 | 拜尔农作物科学股份公司 | Synergistic crop-tolerated combinations of herbicides from the benzoylcyclohexandione group for application in rice growing |
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2011
- 2011-05-06 CN CN2011101162298A patent/CN102204559A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1325269A (en) * | 1998-11-04 | 2001-12-05 | 辛根塔参与股份公司 | Herbicidal composition |
| CN101686671A (en) * | 2007-06-19 | 2010-03-31 | 拜尔农作物科学股份公司 | Synergistic crop-tolerated combinations of herbicides from the benzoylcyclohexandione group for application in rice growing |
| 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102334496A (en) * | 2011-11-09 | 2012-02-01 | 山东胜邦绿野化学有限公司 | Composite herbicide and preparation method thereof |
| CN103271064A (en) * | 2013-06-05 | 2013-09-04 | 江苏龙灯化学有限公司 | Weeding composition |
| CN104855408A (en) * | 2015-05-14 | 2015-08-26 | 北京明德立达农业科技有限公司 | Herbicide composition and use thereof |
| CN107136111A (en) * | 2017-06-16 | 2017-09-08 | 浙江天丰生物科学有限公司 | Herbicidal composition for rice field |
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Application publication date: 20111005 |