CN102461553A - Mixed herbicide containing cinosulfuron, metolachlor and bispyribac and application thereof - Google Patents
Mixed herbicide containing cinosulfuron, metolachlor and bispyribac and application thereof Download PDFInfo
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- CN102461553A CN102461553A CN2010105528580A CN201010552858A CN102461553A CN 102461553 A CN102461553 A CN 102461553A CN 2010105528580 A CN2010105528580 A CN 2010105528580A CN 201010552858 A CN201010552858 A CN 201010552858A CN 102461553 A CN102461553 A CN 102461553A
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- Prior art keywords
- cinosulfuron
- mixed herbicide
- herbicide
- isopropyl methoxalamine
- careless
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- 239000004009 herbicide Substances 0.000 title claims abstract description 56
- 230000002363 herbicidal effect Effects 0.000 title claims abstract description 47
- 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 36
- WVQBLGZPHOPPFO-UHFFFAOYSA-N 2-chloro-N-(2-ethyl-6-methylphenyl)-N-(1-methoxypropan-2-yl)acetamide Chemical compound CCC1=CC=CC(C)=C1N(C(C)COC)C(=O)CCl WVQBLGZPHOPPFO-UHFFFAOYSA-N 0.000 title abstract description 5
- 239000005488 Bispyribac Substances 0.000 title abstract 4
- RYVIXQCRCQLFCM-UHFFFAOYSA-N bispyribac Chemical compound COC1=CC(OC)=NC(OC=2C(=C(OC=3N=C(OC)C=C(OC)N=3)C=CC=2)C(O)=O)=N1 RYVIXQCRCQLFCM-UHFFFAOYSA-N 0.000 title abstract 4
- 241000196324 Embryophyta Species 0.000 claims abstract description 46
- 239000004480 active ingredient Substances 0.000 claims abstract description 8
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 34
- 239000000203 mixture Substances 0.000 claims description 25
- 150000002170 ethers Chemical class 0.000 claims description 23
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 16
- 238000009472 formulation Methods 0.000 claims description 9
- 241001290610 Abildgaardia Species 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 5
- 238000009736 wetting Methods 0.000 claims description 5
- 239000000839 emulsion Substances 0.000 claims description 3
- 239000000375 suspending agent Substances 0.000 claims description 3
- 239000004562 water dispersible granule Substances 0.000 claims description 3
- 239000003905 agrochemical Substances 0.000 claims description 2
- 239000012752 auxiliary agent Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 238000009333 weeding Methods 0.000 abstract description 6
- 239000003795 chemical substances by application Substances 0.000 abstract description 5
- 241000209504 Poaceae Species 0.000 abstract description 4
- 241000234646 Cyperaceae Species 0.000 abstract description 3
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- 235000007164 Oryza sativa Nutrition 0.000 description 17
- 239000003814 drug Substances 0.000 description 17
- 235000009566 rice Nutrition 0.000 description 17
- YZHUMGUJCQRKBT-UHFFFAOYSA-M sodium chlorate Chemical compound [Na+].[O-]Cl(=O)=O YZHUMGUJCQRKBT-UHFFFAOYSA-M 0.000 description 12
- 244000025254 Cannabis sativa Species 0.000 description 11
- 244000058871 Echinochloa crus-galli Species 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000000126 substance Substances 0.000 description 6
- -1 methoxyl group Chemical group 0.000 description 5
- 241001272567 Hominoidea Species 0.000 description 4
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- 241000756999 Potamogetonaceae Species 0.000 description 3
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- 230000015572 biosynthetic process Effects 0.000 description 3
- 150000005693 branched-chain amino acids Chemical class 0.000 description 3
- 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
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
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- 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
- 239000000575 pesticide Substances 0.000 description 2
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- 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
- 238000010998 test method Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- IIZPXYDJLKNOIY-JXPKJXOSSA-N 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/CCCCC IIZPXYDJLKNOIY-JXPKJXOSSA-N 0.000 description 1
- VONWPEXRCLHKRJ-UHFFFAOYSA-N 2-chloro-n-phenylacetamide Chemical compound ClCC(=O)NC1=CC=CC=C1 VONWPEXRCLHKRJ-UHFFFAOYSA-N 0.000 description 1
- VTNQPKFIQCLBDU-UHFFFAOYSA-N Acetochlor Chemical compound CCOCN(C(=O)CCl)C1=C(C)C=CC=C1CC VTNQPKFIQCLBDU-UHFFFAOYSA-N 0.000 description 1
- 108010000700 Acetolactate synthase Proteins 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 244000237956 Amaranthus retroflexus Species 0.000 description 1
- 235000013479 Amaranthus retroflexus Nutrition 0.000 description 1
- 206010003694 Atrophy Diseases 0.000 description 1
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- 244000286838 Eclipta prostrata Species 0.000 description 1
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- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 244000292693 Poa annua Species 0.000 description 1
- 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
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 235000012211 aluminium silicate Nutrition 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
- 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 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
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 125000002668 chloroacetyl group Chemical group ClCC(=O)* 0.000 description 1
- 229960001231 choline Drugs 0.000 description 1
- OEYIOHPDSNJKLS-UHFFFAOYSA-N choline Chemical compound C[N+](C)(C)CCO OEYIOHPDSNJKLS-UHFFFAOYSA-N 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 229940125898 compound 5 Drugs 0.000 description 1
- 230000009615 deamination Effects 0.000 description 1
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- 201000010099 disease Diseases 0.000 description 1
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- 241001233957 eudicotyledons Species 0.000 description 1
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- 239000008187 granular material Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 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 1
- 239000000787 lecithin Substances 0.000 description 1
- 229940067606 lecithin Drugs 0.000 description 1
- 235000010445 lecithin Nutrition 0.000 description 1
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- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
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- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical class [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention belongs to the technical field of agricultural agents, and discloses a herbicide, in particular a mixed herbicide containing cinosulfuron, metolachlor and bispyribac and application thereof. The herbicide takes the cinosulfuron, the metolachlor and the bispyribac as main active ingredients, and the mass ratio of the cinosulfuron, the metolachlor and the bispyribac is 0.1-80/0.1-80/0.1-80. The mixed herbicide is applied to weeding paddy field, and particularly has the obvious effect on the application in preventing and weeding weeds of various grass families, sedge families or broad leaves of the paddy field. Compared with a single herbicide, under the premise of improving the efficacy, the mixed herbicide also has the advantages of weakened herbicide resistance, wide weeding scope and long efficacy duration, and is safe to paddy 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, isopropyl methoxalamine and two careless ethers.
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, apple, 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.
Isopropyl methoxalamine (metolachlor), commodity all thats by name are the chloroacetyl amine weed killer herbicides by the exploitation of Syngenta company,
Chemical name: 2-ethyl-6-methyl-N-(1 '-methyl-2 '-methoxyethyl) chloro acetanilide, its structural formula is following:
Isopropyl methoxalamine mainly absorbs through young shoot, and wherein monocotyledon weed mainly is that bud scale absorbs, and dicotyledon absorbs through young shoot and young root, and upwards conduction suppresses the growth of young shoot and root, before susceptible weeds is unearthed after germination or just unearthedly promptly be poisoned to death.The protein synthesis of the main sprout inhibition seed of the isopropyl methoxalamine mechanism of action, secondly, isopropyl methoxalamine suppresses choline and infiltrates phosphide, disturbs lecithin to form.If soil moisture content is good, weeds were killed in the young shoot phase.Few like soil moisture, the unearthed back of weeds is along with rainfall, and soil moisture increases, and weeds absorb medicament, the distortion of grassy weed lobus cardiacus, atrophy, and it is withered to put in order strain after other leaf shrinkages, and the whole strain of broad leaved weed leaf shrinkage flavescence is withered.Because it is can the force rate broad leaved weed strong that the grassy weed young shoot absorbs isopropyl methoxalamine, thereby the effect that this medicine is prevented and kill off grassy weed is better than broad leaved weed far away.Mainly prevent and kill off barnyard grass grass, eleusine indica, annual bluegrass, green foxtail, benbie, kitchen garden, chickweed, Amaranthus retroflexus etc.
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, isopropyl methoxalamine and two careless ethers.
Another object of the present invention provides this herbicide applications.
The mixed herbicide of a kind of cinosulfuron-containing, isopropyl methoxalamine and two careless ethers; It is characterized in that this weed killer herbicide is main active ingredient with cinosulfuron, isopropyl methoxalamine and two careless ether; The mass ratio of cinosulfuron, isopropyl methoxalamine and two careless ethers is 0.1～80: 0.1～80: 0.1～80, and the mass ratio of preferred cinosulfuron, isopropyl methoxalamine and two careless ethers is 1～70: 1～60: 1～60.
In the said mixed herbicide, cinosulfuron, isopropyl methoxalamine and two careless ether threes' 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, isopropyl methoxalamine and two careless ethers; Except active ingredients such as cinosulfuron, isopropyl methoxalamine and two careless ethers, 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 profit dispersible granule, wetting powder, suspending agent, missible oil, aqueous emulsion.
Mixed herbicide of the present invention can be used in the paddy field postemergence weed control, particularly in preventing and kill off paddy field, uses in various grass family, sedge family and 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.Isopropyl methoxalamine mainly is the synthetic growth that suppresses cell through impede protein matter; That is to say that herbicidal composition of the present invention can kill weeds through different approaches, wherein three kinds of active ingredient pluses and minuses are complementary; Three kinds of composite reagents not only can reduce the consumption of single agent greatly; Be made into the mixture use according to specific than row, can produce synergistic function, 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 ethers have very strong inhibitory action to grassy weeds such as barnyard grass grass, and double most of broad leaved weeds, some sedge weeds controlled; Isopropyl methoxalamine can be prevented and treated grass family and broad leaved weed; After the three mixes, action compensating, herbicidal spectrum is wideer; And cinosulfuron can both spread pesticide-clay mixture or spraying with two careless ethers; Isopropyl grass amine can be sprayed, so weed killer herbicide of the present invention has the double action in foliar treatment and feud, has prolonged the lasting period of medicament.
3, delay the weeds resistance.Because weeds are prone to sulfonylurea herbicide is produced resistance; And contain the isopropyl methoxalamine of chloroacetyl amine in the weed killer herbicide of the present invention, make medicament can prevent weeds effectively, in addition except anti-sulfonylurea; 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%, isopropyl methoxalamine 10%, two careless ethers 4%; APES 4%, polyoxyethylene polyoxy third rare block compound 5%, sodium carboxymethylcellulose 2%; Xylol 15%, water to 100%, being mixed with the quality percentage composition according to the formulation method of routine is 15% aqueous emulsion.
Embodiment 2
Cinosulfuron 4%, isopropyl methoxalamine 20%, two careless ethers 6%; NNO (sodium methylene bis-naphthalene sulfonate) 9%, APES 5%, white carbon 10%; Kaolin to 100%, being mixed with the quality percentage composition according to the formulation method of routine is 30% wetting powder.
Embodiment 3
Cinosulfuron 4%, isopropyl methoxalamine 1%, two careless ethers 60%, 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 65% water dispersible granules.
Embodiment 4
Cinosulfuron 4%, isopropyl methoxalamine 60%, two careless ethers 1%, calcium dodecyl benzene sulfonate 9%, alkyl polyoxyethylene ether 7%, xylol supplies 100%, and being mixed with the quality percentage composition according to the formulation method of routine is 65% missible oil.
Embodiment 5
Cinosulfuron 3%, isopropyl methoxalamine 13%, two careless ethers 9%; NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4%, APES 5%; Xanthans 0.15; Ethylene glycol 5%, water supplies 100%, and being mixed with the quality percentage composition according to the formulation method of routine is 25% suspending agent.
Embodiment 6
Cinosulfuron 70%, isopropyl methoxalamine 5%, two careless ethers 5%, NNO (sodium methylene bis-naphthalene sulfonate) 8%, APES 5%, sodium lignin sulfonate to 100%, being mixed with the quality percentage composition according to the formulation method of routine is 80% wetting powder.
Embodiment 7
1), indoor active determination test
Utilize the preparation among the embodiment 1～4, measure its co-toxicity coefficient the paddy field common weed.
Test method: the seed of quantitative weeds is seeded in respectively in the Disposable paper cup of 9cm, sows 10～15 seeds in every glass, in illumination box, cultivate, treat weeds 3～4 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.
The indoor determination of activity result of table 1
Table 2 pair careless ether, Acetochlor are to the indoor determination of activity result of barnyard grass grass
Can find out that from last table the co-toxicity coefficient after three kinds of active principles 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), 72% isopropyl methoxalamine missible oil (commercially available), 20% pair of careless ether wetting powder (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:
Paddy field advantage weeds such as barnyard grass grass, lady's-grass, rhizoma alismatis, nutgrass flatsedge, apple, pondweed, difformed galingale herb, arrowhead, Monochoria vaginalis.
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, isopropyl methoxalamine and two careless ethers; It is characterized in that described mixed herbicide is main active ingredient with cinosulfuron, isopropyl methoxalamine and two careless ether, the mass ratio of cinosulfuron, isopropyl methoxalamine and two careless ethers is 0.1～80: 0.1～80: 0.1～80.
2. the mixed herbicide of cinosulfuron-containing according to claim 1, isopropyl methoxalamine and two careless ethers is characterized in that the mass ratio of cinosulfuron in the described mixed herbicide, isopropyl methoxalamine and two careless ethers is 1～70: 1～60: 1～60.
3. according to the mixed herbicide described in the claim 1～2, it is characterized in that cinosulfuron in the described mixed herbicide, isopropyl methoxalamine and two careless ether threes' gross mass percentage composition is 1～85%.
4. according to the mixed herbicide described in the claim 3, it is characterized in that cinosulfuron in the described mixed herbicide, isopropyl methoxalamine and two careless ether threes' gross mass percentage composition 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, isopropyl methoxalamine and two careless ether.
6. according to the mixed herbicide described in the claim 4, it is characterized in that described formulation is water dispersible granules, wetting powder, suspending agent, missible oil, aqueous emulsion.
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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| CN2010105528580A CN102461553B (en) | 2010-11-19 | 2010-11-19 | Mixed herbicide containing cinosulfuron, metolachlor and bispyribac and application thereof |
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| CN2010105528580A CN102461553B (en) | 2010-11-19 | 2010-11-19 | Mixed herbicide containing cinosulfuron, metolachlor and bispyribac and application thereof |
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| CN102461553B CN102461553B (en) | 2013-11-27 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19834627A1 (en) * | 1998-07-31 | 1998-12-03 | Novartis Ag | Broad-spectrum pre- or post=emergence herbicidal composition |
| CN1286911A (en) * | 1999-09-08 | 2001-03-14 | 诺华农化(江苏)有限公司 | Re-compounded metolachlor-cinosulfuron preparation |
| DE10245222A1 (en) * | 2001-10-01 | 2003-04-17 | Syngenta Participations Ag | Synergistic herbicidal composition, especially for selective weed control in crops such as rice, containing phenylsulfonyl-urea derivative and another herbicide, e.g. picolinafen, tritosulfuron, mesotrione or sulcotrione |
| CN101115389A (en) * | 2005-02-04 | 2008-01-30 | 辛根塔参与股份公司 | Process for the control of undesired plant growth in rice |
-
2010
- 2010-11-19 CN CN2010105528580A patent/CN102461553B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19834627A1 (en) * | 1998-07-31 | 1998-12-03 | Novartis Ag | Broad-spectrum pre- or post=emergence herbicidal composition |
| CN1286911A (en) * | 1999-09-08 | 2001-03-14 | 诺华农化(江苏)有限公司 | Re-compounded metolachlor-cinosulfuron preparation |
| DE10245222A1 (en) * | 2001-10-01 | 2003-04-17 | Syngenta Participations Ag | Synergistic herbicidal composition, especially for selective weed control in crops such as rice, containing phenylsulfonyl-urea derivative and another herbicide, e.g. picolinafen, tritosulfuron, mesotrione or sulcotrione |
| CN101115389A (en) * | 2005-02-04 | 2008-01-30 | 辛根塔参与股份公司 | Process for the control of undesired plant growth in rice |
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