CN102461531A - Mixed herbicide containing cinosulfuron, bispyribac-sodium and cyhalofop-butyl and application thereof - Google Patents
Mixed herbicide containing cinosulfuron, bispyribac-sodium and cyhalofop-butyl and application thereof Download PDFInfo
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- CN102461531A CN102461531A CN2010105519632A CN201010551963A CN102461531A CN 102461531 A CN102461531 A CN 102461531A CN 2010105519632 A CN2010105519632 A CN 2010105519632A CN 201010551963 A CN201010551963 A CN 201010551963A CN 102461531 A CN102461531 A CN 102461531A
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- butyl
- cyhalofop
- cinosulfuron
- mixed herbicide
- herbicide
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- 239000004009 herbicide Substances 0.000 title claims abstract description 59
- 230000002363 herbicidal effect Effects 0.000 title claims abstract description 48
- TYIYMOAHACZAMQ-CQSZACIVSA-N Cyhalofop-butyl Chemical group C1=CC(O[C@H](C)C(=O)OCCCC)=CC=C1OC1=CC=C(C#N)C=C1F TYIYMOAHACZAMQ-CQSZACIVSA-N 0.000 title claims abstract description 41
- 239000005502 Cyhalofop-butyl Substances 0.000 title claims abstract description 40
- WMLPCIHUFDKWJU-UHFFFAOYSA-N Cinosulfuron Chemical compound COCCOC1=CC=CC=C1S(=O)(=O)NC(=O)NC1=NC(OC)=NC(OC)=N1 WMLPCIHUFDKWJU-UHFFFAOYSA-N 0.000 title claims abstract description 37
- FUHMZYWBSHTEDZ-UHFFFAOYSA-M bispyribac-sodium Chemical compound [Na+].COC1=CC(OC)=NC(OC=2C(=C(OC=3N=C(OC)C=C(OC)N=3)C=CC=2)C([O-])=O)=N1 FUHMZYWBSHTEDZ-UHFFFAOYSA-M 0.000 title abstract description 4
- 241000196324 Embryophyta Species 0.000 claims abstract description 43
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 46
- 239000000203 mixture Substances 0.000 claims description 25
- 238000009472 formulation Methods 0.000 claims description 9
- 241001290610 Abildgaardia Species 0.000 claims description 6
- 239000004480 active ingredient Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 5
- 238000009736 wetting Methods 0.000 claims description 5
- 239000004562 water dispersible granule Substances 0.000 claims description 4
- 239000000839 emulsion Substances 0.000 claims description 3
- 239000000375 suspending agent Substances 0.000 claims description 3
- 239000003905 agrochemical Substances 0.000 claims description 2
- 239000012752 auxiliary agent Substances 0.000 claims description 2
- 240000007594 Oryza sativa Species 0.000 abstract description 21
- 235000007164 Oryza sativa Nutrition 0.000 abstract description 21
- 235000009566 rice Nutrition 0.000 abstract description 21
- 230000000694 effects Effects 0.000 abstract description 8
- 238000009333 weeding Methods 0.000 abstract description 6
- 239000003795 chemical substances by application Substances 0.000 abstract description 5
- 238000001228 spectrum Methods 0.000 abstract description 4
- 239000000575 pesticide Substances 0.000 abstract description 3
- 230000001934 delay Effects 0.000 abstract 1
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- 239000003814 drug Substances 0.000 description 15
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- 150000002170 ethers Chemical class 0.000 description 12
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- 238000000034 method Methods 0.000 description 7
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- 102000000452 Acetyl-CoA carboxylase Human genes 0.000 description 5
- 108010016219 Acetyl-CoA carboxylase Proteins 0.000 description 5
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- 230000002045 lasting effect Effects 0.000 description 4
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- 235000014716 Eleusine indica Nutrition 0.000 description 3
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- 241001272567 Hominoidea Species 0.000 description 3
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 229940100389 Sulfonylurea Drugs 0.000 description 3
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- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 description 3
- LCRMGUFGEDUSOG-UHFFFAOYSA-N naphthalen-1-ylsulfonyloxymethyl naphthalene-1-sulfonate;sodium Chemical compound [Na].C1=CC=C2C(S(=O)(OCOS(=O)(=O)C=3C4=CC=CC=C4C=CC=3)=O)=CC=CC2=C1 LCRMGUFGEDUSOG-UHFFFAOYSA-N 0.000 description 3
- MTCFGRXMJLQNBG-REOHCLBHSA-N (2S)-2-Amino-3-hydroxypropansäure Chemical compound OC[C@H](N)C(O)=O MTCFGRXMJLQNBG-REOHCLBHSA-N 0.000 description 2
- SXERGJJQSKIUIC-UHFFFAOYSA-N 2-Phenoxypropionic acid Chemical compound OC(=O)C(C)OC1=CC=CC=C1 SXERGJJQSKIUIC-UHFFFAOYSA-N 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 2
- 235000009328 Amaranthus caudatus Nutrition 0.000 description 2
- 240000001592 Amaranthus caudatus Species 0.000 description 2
- 241000234646 Cyperaceae Species 0.000 description 2
- AGPKZVBTJJNPAG-WHFBIAKZSA-N L-isoleucine Chemical compound CC[C@H](C)[C@H](N)C(O)=O AGPKZVBTJJNPAG-WHFBIAKZSA-N 0.000 description 2
- 240000000178 Monochoria vaginalis Species 0.000 description 2
- MTCFGRXMJLQNBG-UHFFFAOYSA-N Serine Natural products OCC(N)C(O)=O MTCFGRXMJLQNBG-UHFFFAOYSA-N 0.000 description 2
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- 239000003112 inhibitor Substances 0.000 description 2
- 229960000310 isoleucine Drugs 0.000 description 2
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- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000000442 meristematic effect Effects 0.000 description 2
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 2
- 231100000572 poisoning Toxicity 0.000 description 2
- 230000000607 poisoning effect Effects 0.000 description 2
- 230000003449 preventive effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229960004889 salicylic acid Drugs 0.000 description 2
- YROXIXLRRCOBKF-UHFFFAOYSA-N sulfonylurea Chemical class OC(=N)N=S(=O)=O YROXIXLRRCOBKF-UHFFFAOYSA-N 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 229920001285 xanthan gum Polymers 0.000 description 2
- 108010000700 Acetolactate synthase Proteins 0.000 description 1
- 241000748223 Alisma Species 0.000 description 1
- 241000272525 Anas platyrhynchos Species 0.000 description 1
- 206010003694 Atrophy Diseases 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N Benzoic acid Natural products OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
- 241000722731 Carex Species 0.000 description 1
- 241000234653 Cyperus Species 0.000 description 1
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- 235000005804 Digitaria eriantha ssp. eriantha Nutrition 0.000 description 1
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- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
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- 235000014676 Phragmites communis Nutrition 0.000 description 1
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- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- CZPWVGJYEJSRLH-UHFFFAOYSA-N Pyrimidine Chemical compound C1=CN=CN=C1 CZPWVGJYEJSRLH-UHFFFAOYSA-N 0.000 description 1
- 240000003461 Setaria viridis Species 0.000 description 1
- 235000002248 Setaria viridis Nutrition 0.000 description 1
- 235000010086 Setaria viridis var. viridis Nutrition 0.000 description 1
- 229930006000 Sucrose Natural products 0.000 description 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 230000008485 antagonism Effects 0.000 description 1
- 230000037444 atrophy Effects 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- OOCMUZJPDXYRFD-UHFFFAOYSA-L calcium;2-dodecylbenzenesulfonate Chemical compound [Ca+2].CCCCCCCCCCCCC1=CC=CC=C1S([O-])(=O)=O.CCCCCCCCCCCCC1=CC=CC=C1S([O-])(=O)=O OOCMUZJPDXYRFD-UHFFFAOYSA-L 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
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- 229910052737 gold Inorganic materials 0.000 description 1
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- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000361 pesticidal effect Effects 0.000 description 1
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- QIIPQYDSKRYMFG-UHFFFAOYSA-N phenyl hydrogen carbonate Chemical compound OC(=O)OC1=CC=CC=C1 QIIPQYDSKRYMFG-UHFFFAOYSA-N 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical class [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 description 1
- 235000010234 sodium benzoate Nutrition 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention belongs to the technical field of pesticides, and discloses a mixed herbicide, particularly a mixed herbicide containing cinosulfuron, bispyribac-sodium and cyhalofop-butyl and application thereof. The herbicide adopts the cinosulfuron, the bispyribac-sodium and the cyhalofop-butyl as main active components, the weight ratio of which is 0.1 to 80:0.1 to 80:0.1 to 80. The mixed herbicide is applied in the weeding of paddy fields, and particularly has a remarkable effect in preventing and getting rid of various gramineous, cyperaceous and broadleaf weeds in paddy fields. Compared with single agents, the herbicide delays the resistance of weeds under the premise that the effect is enhanced, has a broad weeding spectrum and long persistence, and is safe for rice and succeeding crops.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of weed killer herbicide, be specifically related to the mixed herbicide and the application thereof of a kind of cinosulfuron-containing, two careless ether and cyhalofop-butyl.
Background technology
China is the country with the longest history of rice cropping in the world, and paddy rice is one of China's staple food crop, and about 3,300 ten thousand hectares of cultivated area accounts for 29% of cereal crops cultivated area.
Not weeding of field it is reported that annual national paddy rice all receives crop smothering in various degree, if can make the paddy rice underproduction more than 50%.Weeds have the paddy field main harm: barnyard grass grass, moleplant seed, reed, firefly Lin, Herba Cyperi Glomerati, difformed galingale herb, cyperus iria, miliary fimbristylis herb, pondweed, Eclipta prostrata, wild arrowhead, Monochoria vaginalis etc.In order to reduce the economic loss that crop smothering causes, reduce labor intensity, also because chemical weed control is convenient, quick-acting, the control time is long, chemical weed control is accepted by people gradually simultaneously.
In recent years, along with increasing and the extensive popularization of chemical control technology in agricultural production of weed killer herbicide kind, chemical weed control has been widely used in each period of paddy growth.The choose reasonable weed killer herbicide not only can reduce friend peasant labour intensity, shorten working time, cultivate cost but also can reduce, reach the purpose of raising the output.
Cinosulfuron (Cinosulfuron) has another name called the first cinosulfuron, a kind of sulfonylurea herbicide, and formal name used at school 1-(4,6-dimethoxy-1,3,5-triazines-2-yl)-3-[2-(2-methoxy ethoxy) phenyl sulphonyl] urea, its structural formula is following:
Cinosulfuron mainly absorbs through root and stem, is sent to meristematic tissue by conducting tissue, suppresses the biosynthesis of branched-chain amino acid (like serine, isoleucine).Weeds can be not dead immediately after the medication, but stop growing, and plant begins yellow after 5-10 days, withered death.In the paddy rice body, active ingredient can be through urea bridge fracture, after methoxyl group hydrolysis, deamination and the phenyl ring hydrolysis with approach such as the sucrose yoke close; Be metabolized to non-poisonous material at last; The half life period was 3 days in the paddy rice leaf, so to rice safety less than 1 day half life period in rice root.But because its water-soluble big (3.7g/L water) in the water leaking paddy field, causes poisoning thereby may focus on the rice root district with water to paddy rice.Be used for that drought is broadcast, water broadcasts annual broadleaf weed and sedge weeds such as rice field control rhizoma alismatis, nutgrass flatsedge, pondweed, arrowhead, Monochoria vaginalis, and is invalid to barnyard grass grass and moleplant seed etc.
Two careless ethers (bispyribac-sodium) have another name called the salicylic acid Sulfadiazine Compound, are the pyrimidine Type salicylic acid broad-spectrum herbicides by the exploitation of Japanese combinatorial chemistry company, chemical name: 2, and two (4, the 6-SDM base-2-oxygen base) Sodium Benzoates of 6-.Its structural formula is following:
Two careless ethers are highly active ALS inhibitor; Biosynthesis through hindering branched-chain amino acid is worked, and mainly uses the direct Tanaka of paddy rice, prevents and kill off grassy weed; Can prevent and kill off the barnyard grass grass of 1～7 leaf phase especially; Double most of broad leaved weeds, some sedge weeds and the Stam F-34 controlled produces resistance barnyard grass grass, and consumption is extremely low, has broad application prospects.
Cyhalofop-butyl (Cyhalofop-butyl), commodity are called a thousand pieces of gold, are the phenoxy carboxylic acid herbicidess of LG-DOW agricultural science company exploitation, chemical name: (R)-and 2-[4 (4-cyanic acid-2-fluorophenoxy) phenoxy group]-butyl propionate, its structural formula is following:
Cyhalofop-butyl is unique in the fragrant phenoxy propionic acid ester weed killer herbicide paddy rice to be had the kind of tight security, and is the same with such other kinds, also is the inner sucting conduction type weed killer herbicide.Cyhalofop-butyl is absorbed by the leaf sheath and the blade of plant corpus; The phloem conduction accumulates the meristem zone in plant corpus, suppresses acetyl-CoA carboxylase (ACCase); Fatty acid is synthesized to be stopped; The growth division of cell can not normally be carried out, and film system etc. contains membrane structure and destroys, and causes plant dead at last.It is slower to be absorbed into weeds death from cyhalofop-butyl, generally needs 1-3 week.The symptom of weeds after dispenser is following: the tender shoots atrophy of four leaf phases, working hard at last causes death.Grow rapidly that leaf then stops growing after a couple of days tri-leaf period, it is sallow how many limb edge occurs, and causes death.The Lao Ye of two leaf stage changes minimum, keeps green.Cyhalofop-butyl can be degraded to the diacid attitude to the acetyl-CoA carboxylase non-activity rapidly by paddy rice, thereby paddy rice is had the safety of height.Because of it is degraded rapidly in soil with in the typical paddy field water either, so to succession crop safety.Be mainly used in and prevent and kill off grassy weed.Cyhalofop-butyl is not only efficient to various barnyard grass grass (comprising above the average age for marriage barnyard grass grass), also can prevent and kill off moleplant seed, lady's-grass, Paspalum distichum, green foxtail, eleusine indica, amur foxtail etc.Invalid to sedge family and broad leaved weed.
Herbicide for paddy field is limit by crop safety at present; It is also limited to kill the grass spectrum; Use separately the agent of a kind of weed killer herbicide list can not control the generation of paddy field weed completely effectively, moreover some weed killer herbicide is because water-soluble big or the field lasting period is oversize, consumption is excessive or the inhomogeneous residual hazard that all causes easily this season crop or succession crop of dispenser.
Summary of the invention
The mixed herbicide that the purpose of this invention is to provide a kind of cinosulfuron-containing, two careless ether and cyhalofop-butyl.
Another object of the present invention provides the application of this weed killer herbicide in agent for removing grass in paddy field.
The mixed herbicide of a kind of cinosulfuron-containing, two careless ether and cyhalofop-butyl; It is characterized in that this weed killer herbicide is main active ingredient with cinosulfuron, two careless ether and cyhalofop-butyl; The mass ratio of cinosulfuron, two careless ether and cyhalofop-butyl is 0.1～80: 0.1～80: 0.1～80, and the mass ratio of preferred cinosulfuron, two careless ether and cyhalofop-butyl is 1～70: 1～60: 1～60.
In the said mixed herbicide, cinosulfuron, two careless ether and cyhalofop-butyl three's gross mass percentage composition is 1～85%, and the preferred mass percentage composition is 15～80%.
In the ternary built preparation of cinosulfuron of the present invention, two careless ether and cyhalofop-butyl; Except active ingredients such as cinosulfuron, two careless ether and cyhalofop-butyl, can also add the auxiliary agents such as conventional surfactants, thickener, solvent or solid packing that allow on the pesticidal preparations and be mixed with any one formulation that allows on the agricultural chemicals.Preferably be processed into missible oil, aqueous emulsion, water dispersible granules, wetting powder, suspending agent.
Mixed herbicide of the present invention can be used in the weeding before the paddy field bud or behind the early stage bud, particularly in preventing and kill off paddy field, uses in various grassy weeds, sedge weed or the broad leaved weed to have remarkable result.
Herbicidal composition of the present invention has the following advantages:
1, activity of weeding is high.Cinosulfuron all is an inhibitor of acetolactate synthetase with two careless ethers.Mainly absorb and be sent to meristematic tissue by conducting tissue, the biosynthesis of inhibition branched-chain amino acid (like serine, isoleucine) through root and stem.Cyhalofop-butyl is the inner sucting conduction type weed killer herbicide, by the leaf sheath and the blade absorption of plant corpus, phloem conduction; Accumulate meristem zone in plant corpus; Suppress acetyl-CoA carboxylase (ACCase), fatty acid is synthesized stop, the growth division of cell can not normally be carried out; Film system etc. contains membrane structure and destroys, and causes plant dead at last.That is to say that herbicidal composition of the present invention can kill weeds through two kinds of different approaches, can greatly improve the removing activity of weed killer herbicide.
2, herbicidal spectrum is wide, and the lasting period is long.Cinosulfuron is mainly effective to broad leaved weed and sedge weed, and two careless ether, cyhalofop-butyl ester are effective to grassy weed, and both mix the back action compensating, and herbicidal spectrum is wideer, and because cinosulfuron can spread pesticide-clay mixture or spraying; And two careless ethers, cyhalofop-butyl can be made cauline leaf and handle.So weed killer herbicide of the present invention has the double action in foliar treatment and feud, prolonged the lasting period of medicament.
3, delay the weeds resistance.Because weeds are prone to sulfonylurea herbicide is produced resistance; And contain the cyhalofop-butyl of fragrant phenoxy propionic acid ester and the two careless ether of pyrimidyl oxy benzoic acid ester class in the weed killer herbicide of the present invention; Make medicament can prevent weeds effectively except anti-sulfonylurea; In addition, reduce the pesticide resistance of weeds, prolonged the service life of medicament.
4, safe.Herbicidal composition of the present invention is applied to agent for removing grass in paddy field, and it can prevent and kill off various grass family, sedge family and broad leaved weed in the paddy field, under the prerequisite that has improved drug effect, paddy rice and succession crop is all had safety.
Specific embodiments
Embodiment 1
Cinosulfuron 1%, two careless ethers 1%, cyhalofop-butyl 13%, APES 4%, polyoxyethylene polyoxy third rare block compound 5%, xanthans 2%, water to 100%, being mixed with the quality percentage composition according to the formulation method of routine is 15% aqueous emulsion.
Embodiment 2
Cinosulfuron 3%, two careless ethers 5%, cyhalofop-butyl 7%, calcium dodecyl benzene sulfonate 7%, APES 5%, xylol to 100%, being mixed with the quality percentage composition according to the formulation method of routine is 15% missible oil.
Embodiment 3
Cinosulfuron 18%, two careless ethers 2%, cyhalofop-butyl 10%, sodium lignin sulfonate 7%, neopelex 5%, ammonium sulfate 5%, diatomite supplies 100%, and being mixed with the quality percentage composition according to the formulation method of routine is 30% water dispersible granules.
Embodiment 4
Cinosulfuron 70%, two careless ethers 4%, cyhalofop-butyl 6%, NNO (sodium methylene bis-naphthalene sulfonate) 3%, sodium lignin sulfonate 3%, white carbon 4%, kaolin supplies 100%, and being mixed with the quality percentage composition according to the formulation method of routine is 80% wetting powder.
Embodiment 5
Cinosulfuron 11%, two careless ethers 60%, cyhalofop-butyl 4%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4%, white carbon 9%, kaolin supplies 100%, and being mixed with the quality percentage composition according to the formulation method of routine is 75% wetting powder.
Embodiment 6
Cinosulfuron 5%, two careless ethers 10%, cyhalofop-butyl 10%; NNO (sodium methylene bis-naphthalene sulfonate) 9%, APES 5%, xanthans 2%; Ethylene glycol 3%, water to 100%, being mixed with the quality percentage composition according to the formulation method of routine is 25% suspending agent.
Embodiment 7
1), indoor active determination test
Utilize the preparation among the embodiment 1～4, measure its co-toxicity coefficient paddy field common weed difformed galingale herb.
Test method: the seed of quantitative difformed galingale herb and barnyard grass grass is seeded in respectively in the Disposable paper cup of 9cm; Sow 10～15 seeds in every glass; In illumination box, cultivate, treat difformed galingale herb 3～6 leaves during the phase, do the enterprising row spraying of composition spray in crawler type and handle.Handle in the greenhouse, back and continue to cultivate, each handles the preventive effect to weeds routine observation, and each weeds fresh weight after handling of weighing behind the 30d is pressed the method for nineteen sixty propositions such as Sun Yunpei, calculates its toxicity regression curve and co-toxicity coefficient.Co-toxicity coefficient shows that greater than 100 two kinds of active principles have synergistic effect, and co-toxicity coefficient shows that less than 100 two kinds of active principles have antagonism.Measure the result shown in table 1 and table 2.
Table 1 cinosulfuron, two careless ether are to the indoor determination of activity result of difformed galingale herb
Table 2 pair careless ether, cyhalofop-butyl are to the indoor determination of activity result of barnyard grass grass
Can find out from last table, cinosulfuron and two careless ethers, the co-toxicity coefficient after cyhalofop-butyl and two careless ethers are composite explains that all greater than 100 the present invention has obvious synergistic effect.
2), field control effectiveness test
Supply the reagent agent:
Ternary built weed killer herbicide among among the embodiment 1～4 4.
The contrast medicament:
20% cinosulfuron water dispersible granules (commercially available), 20% pair of careless ether wetting powder (commercially available), 10% cyhalofop-butyl missible oil (commercially available).
Confession studies thing: paddy rice
The paddy rice seedling was 3～5 leaf phases, grew fine, and robust plant does not have other damage by disease and insect.
Prevent and kill off object:
Alisma, sedges, Ping, pondweed, arrowhead, crabgrass, foxtail, barnyard grass, daughter son, goose grass, duck Zhi grass and other weeds in paddy field advantage.
Test method:
According to the area of experimental plot, the accurate good various medicaments of weighing, and after converting the water dilution, utilize knapsack sprayer, and carrying out even spraying, shower nozzle is selected the special-purpose Fan spray head of weed killer herbicide for use.During spraying, note soup is evenly sprayed application in the experimental plot, accomplish not leak the phenomenon of spray, many sprays.
After the test respectively behind medicine 20d, 40d observe the weeds death condition, and the activity of weeding of more various medicaments, the result sees table 3 and table 4.In addition, also will behind medicine, observe the condition of production of crop in 1～15d, to investigate medicament whether crop had poisoning, the result sees table 5.
Table 3 field control effectiveness test result (20d behind the medicine)
Table 4 field control effectiveness test result (40d behind the medicine)
Consumption in table 3 and the table 4 all refers to the consumption of active ingredient in each preparation.Can find out that from table 3 and table 4 the present invention has significant preventive effect to grassy weed, broad leaved weed and sedge weed, synergy property is remarkable, and the lasting period is long.
Table 5 medicament is to the security survey result of crop
Each is handled, and the rice is doing well in the sub-district, do not see any medicine spot, explains that various medicaments are to the equal safety of paddy rice.
Claims (8)
1. the mixed herbicide of a cinosulfuron-containing, two careless ether and cyhalofop-butyl; It is characterized in that described mixed herbicide is main active ingredient with cinosulfuron, two careless ether and cyhalofop-butyl, the mass ratio of cinosulfuron, two careless ether and cyhalofop-butyl is 0.1～80: 0.1～80: 0.1～80.
2. the mixed herbicide of cinosulfuron-containing according to claim 1, two careless ether and cyhalofop-butyl, the mass ratio that it is characterized in that cinosulfuron in the described mixed herbicide, two careless ether and cyhalofop-butyl is 1～70: 1～60: 1～60.
3. according to the mixed herbicide described in claim 1 or 2, the gross mass percentage composition that it is characterized in that cinosulfuron in the described mixed herbicide, two careless ether and cyhalofop-butyl three is 1～85%.
4. according to the mixed herbicide described in the claim 3, the gross mass percentage composition that it is characterized in that cinosulfuron in the described mixed herbicide, two careless ether and cyhalofop-butyl three is 15～80%.
5. according to the mixed herbicide described in the claim 1, it is characterized in that described mixed herbicide is that the auxiliary agent that allows on main active ingredient and the agricultural chemicals is mixed with any one formulation with cinosulfuron, two careless ether and cyhalofop-butyl.
6. according to the mixed herbicide described in the claim 5, it is characterized in that described formulation is missible oil, aqueous emulsion, water dispersible granules, wetting powder, suspending agent.
7. the application of the described mixed herbicide of claim 1 in the paddy field postemergence weed control.
8. the described mixed herbicide of claim 1 application in various grassy weeds, sedge weed or the broad leaved weed in preventing and kill off paddy field.
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| CN2010105519632A CN102461531B (en) | 2010-11-19 | 2010-11-19 | Mixed herbicide containing cinosulfuron, bispyribac-sodium and cyhalofop-butyl and application thereof |
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| CN2010105519632A CN102461531B (en) | 2010-11-19 | 2010-11-19 | Mixed herbicide containing cinosulfuron, bispyribac-sodium and cyhalofop-butyl and application thereof |
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| CN102461531B CN102461531B (en) | 2013-11-27 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103202290A (en) * | 2013-05-07 | 2013-07-17 | 中化化工科学技术研究总院 | Cyhalofop-butyl suspending agent and preparation method thereof |
| CN106386796A (en) * | 2016-08-29 | 2017-02-15 | 美丰农化有限公司 | Bispyribac sodium-cyhalofop butyl suspoemulsion and preparation method thereof |
| CN109221105A (en) * | 2018-11-02 | 2019-01-18 | 上海祥霖农业技术有限公司 | A kind of auxiliary agent of bispyribac-sodium preparation and preparation method thereof and bispyribac-sodium preparation |
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| CN1072313A (en) * | 1987-12-22 | 1993-05-26 | 古米埃化学工业株式会社 | Method with pyrimidine derivatives or its herbicidal salt |
| DE19834627A1 (en) * | 1998-07-31 | 1998-12-03 | Novartis Ag | Broad-spectrum pre- or post=emergence herbicidal composition |
| CN101084750A (en) * | 2007-07-12 | 2007-12-12 | 徐开云 | Synergistic herbicide |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1072313A (en) * | 1987-12-22 | 1993-05-26 | 古米埃化学工业株式会社 | Method with pyrimidine derivatives or its herbicidal salt |
| DE19834627A1 (en) * | 1998-07-31 | 1998-12-03 | Novartis Ag | Broad-spectrum pre- or post=emergence herbicidal composition |
| CN101084750A (en) * | 2007-07-12 | 2007-12-12 | 徐开云 | Synergistic herbicide |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103202290A (en) * | 2013-05-07 | 2013-07-17 | 中化化工科学技术研究总院 | Cyhalofop-butyl suspending agent and preparation method thereof |
| CN103202290B (en) * | 2013-05-07 | 2014-04-16 | 中化化工科学技术研究总院 | Cyhalofop-butyl suspending agent and preparation method thereof |
| CN106386796A (en) * | 2016-08-29 | 2017-02-15 | 美丰农化有限公司 | Bispyribac sodium-cyhalofop butyl suspoemulsion and preparation method thereof |
| CN109221105A (en) * | 2018-11-02 | 2019-01-18 | 上海祥霖农业技术有限公司 | A kind of auxiliary agent of bispyribac-sodium preparation and preparation method thereof and bispyribac-sodium preparation |
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| CN102461531B (en) | 2013-11-27 |
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Inventor after: Wang Guoping Inventor after: Rui Guohua Inventor after: Xiao Tingting Inventor after: Liu Junli Inventor after: Shen Haifeng Inventor after: Zhang Lanping Inventor before: Rui Guohua Inventor before: Xiao Tingting Inventor before: Liu Junli Inventor before: Shen Haifeng Inventor before: Zhang Lanping |
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Address after: Lechuan Chemical Co., Ltd., 12 / F, west of Yuquan building, 135 Tianmushan Road, Xihu District, Hangzhou City, Zhejiang Province, 310000 Patentee after: Hangzhou Banghua Biotechnology Co.,Ltd. Address before: Lechuan Chemical Co., Ltd., 12 / F, west of Yuquan building, 135 Tianmushan Road, Xihu District, Hangzhou City, Zhejiang Province, 310000 Patentee before: HANGZHOU BANGHUA CHEMICAL Co.,Ltd. |
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