CN103039489B - Weeding composite containing fentrazamide and fluroxypyr - Google Patents
Weeding composite containing fentrazamide and fluroxypyr Download PDFInfo
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- CN103039489B CN103039489B CN201210570271.1A CN201210570271A CN103039489B CN 103039489 B CN103039489 B CN 103039489B CN 201210570271 A CN201210570271 A CN 201210570271A CN 103039489 B CN103039489 B CN 103039489B
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- Prior art keywords
- fluroxypyr
- fentrazamide
- weed
- weeding composite
- weeds
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- 239000005558 Fluroxypyr Substances 0.000 title claims abstract description 51
- MEFQWPUMEMWTJP-UHFFFAOYSA-N fluroxypyr Chemical compound NC1=C(Cl)C(F)=NC(OCC(O)=O)=C1Cl MEFQWPUMEMWTJP-UHFFFAOYSA-N 0.000 title claims abstract description 51
- LLQPHQFNMLZJMP-UHFFFAOYSA-N Fentrazamide Chemical compound N1=NN(C=2C(=CC=CC=2)Cl)C(=O)N1C(=O)N(CC)C1CCCCC1 LLQPHQFNMLZJMP-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 238000009333 weeding Methods 0.000 title abstract description 13
- 239000002131 composite material Substances 0.000 title abstract description 10
- 230000002363 herbicidal effect Effects 0.000 claims abstract description 36
- 239000000203 mixture Substances 0.000 claims description 26
- 239000002270 dispersing agent Substances 0.000 claims description 13
- 239000000080 wetting agent Substances 0.000 claims description 13
- 239000000945 filler Substances 0.000 claims description 11
- 239000004562 water dispersible granule Substances 0.000 claims description 11
- 238000009472 formulation Methods 0.000 claims description 10
- 239000004480 active ingredient Substances 0.000 claims description 9
- 239000000470 constituent Substances 0.000 claims description 6
- 239000011230 binding agent Substances 0.000 claims 1
- 241000196324 Embryophyta Species 0.000 abstract description 56
- 235000007164 Oryza sativa Nutrition 0.000 abstract description 21
- 235000009566 rice Nutrition 0.000 abstract description 21
- 239000004009 herbicide Substances 0.000 abstract description 19
- 238000001228 spectrum Methods 0.000 abstract description 6
- 230000002195 synergetic effect Effects 0.000 abstract description 5
- 239000000575 pesticide Substances 0.000 abstract description 4
- 230000002265 prevention Effects 0.000 abstract description 3
- 240000007594 Oryza sativa Species 0.000 abstract 1
- 230000003042 antagnostic effect Effects 0.000 abstract 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 22
- 241000209094 Oryza Species 0.000 description 20
- 239000003921 oil Substances 0.000 description 18
- 235000019198 oils Nutrition 0.000 description 18
- 230000000295 complement effect Effects 0.000 description 16
- 230000003449 preventive effect Effects 0.000 description 15
- 238000012360 testing method Methods 0.000 description 15
- -1 carbamyl Tetrazoline series Chemical class 0.000 description 13
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 11
- 239000003814 drug Substances 0.000 description 11
- 239000000843 powder Substances 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 239000000375 suspending agent Substances 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 9
- 239000007900 aqueous suspension Substances 0.000 description 9
- 150000001875 compounds Chemical class 0.000 description 8
- 229910052938 sodium sulfate Inorganic materials 0.000 description 8
- 235000011152 sodium sulphate Nutrition 0.000 description 8
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 8
- 239000004372 Polyvinyl alcohol Substances 0.000 description 7
- 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 7
- 239000001768 carboxy methyl cellulose Substances 0.000 description 7
- 229920000056 polyoxyethylene ether Polymers 0.000 description 7
- 229940051841 polyoxyethylene ether Drugs 0.000 description 7
- 229920002451 polyvinyl alcohol Polymers 0.000 description 7
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 7
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 7
- 244000026873 Alternanthera philoxeroides Species 0.000 description 6
- 241000192043 Echinochloa Species 0.000 description 6
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 5
- RNMDNPCBIKJCQP-UHFFFAOYSA-N 5-nonyl-7-oxabicyclo[4.1.0]hepta-1,3,5-trien-2-ol Chemical compound C(CCCCCCCC)C1=C2C(=C(C=C1)O)O2 RNMDNPCBIKJCQP-UHFFFAOYSA-N 0.000 description 5
- 241000209202 Bromus secalinus Species 0.000 description 5
- 241001553700 Euphorbia lathyris Species 0.000 description 5
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 5
- 229910019142 PO4 Inorganic materials 0.000 description 5
- 241000756999 Potamogetonaceae Species 0.000 description 5
- 239000003153 chemical reaction reagent Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 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 5
- 238000005516 engineering process Methods 0.000 description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 5
- 239000010452 phosphate Substances 0.000 description 5
- 238000009736 wetting Methods 0.000 description 5
- QPUYECUOLPXSFR-UHFFFAOYSA-N 1-methylnaphthalene Chemical compound C1=CC=C2C(C)=CC=CC2=C1 QPUYECUOLPXSFR-UHFFFAOYSA-N 0.000 description 4
- 241001108764 Ludwigia sphaerocarpa Species 0.000 description 4
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 description 4
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 4
- WMGSQTMJHBYJMQ-UHFFFAOYSA-N aluminum;magnesium;silicate Chemical compound [Mg+2].[Al+3].[O-][Si]([O-])([O-])[O-] WMGSQTMJHBYJMQ-UHFFFAOYSA-N 0.000 description 4
- 239000004927 clay Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000003995 emulsifying agent Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- YZHUMGUJCQRKBT-UHFFFAOYSA-M sodium chlorate Chemical compound [Na+].[O-]Cl(=O)=O YZHUMGUJCQRKBT-UHFFFAOYSA-M 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 239000004094 surface-active agent Substances 0.000 description 4
- RIADWMCWOGLLKA-UHFFFAOYSA-N 2-octylphenol;phenol Chemical compound OC1=CC=CC=C1.CCCCCCCCC1=CC=CC=C1O RIADWMCWOGLLKA-UHFFFAOYSA-N 0.000 description 3
- 241000209504 Poaceae Species 0.000 description 3
- 235000013339 cereals Nutrition 0.000 description 3
- 235000014113 dietary fatty acids Nutrition 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 239000000194 fatty acid Substances 0.000 description 3
- 229930195729 fatty acid Natural products 0.000 description 3
- 230000002045 lasting effect Effects 0.000 description 3
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- 239000000454 talc Substances 0.000 description 3
- 229910052623 talc Inorganic materials 0.000 description 3
- 235000012222 talc Nutrition 0.000 description 3
- 235000015112 vegetable and seed oil Nutrition 0.000 description 3
- 239000008158 vegetable oil Substances 0.000 description 3
- 241001290610 Abildgaardia Species 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 2
- 241000759199 Eleocharis acicularis Species 0.000 description 2
- 239000001293 FEMA 3089 Substances 0.000 description 2
- 244000068988 Glycine max Species 0.000 description 2
- 235000010469 Glycine max Nutrition 0.000 description 2
- 206010061217 Infestation Diseases 0.000 description 2
- 229920001732 Lignosulfonate Polymers 0.000 description 2
- 235000019482 Palm oil Nutrition 0.000 description 2
- 235000019484 Rapeseed oil Nutrition 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 2
- 125000006177 alkyl benzyl group Chemical group 0.000 description 2
- 235000019270 ammonium chloride Nutrition 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 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 2
- 235000019868 cocoa butter Nutrition 0.000 description 2
- 229940110456 cocoa butter Drugs 0.000 description 2
- 239000007859 condensation product Substances 0.000 description 2
- 235000012343 cottonseed oil Nutrition 0.000 description 2
- 239000002385 cottonseed oil Substances 0.000 description 2
- 239000007884 disintegrant Substances 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 150000002191 fatty alcohols Chemical class 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000004530 micro-emulsion Substances 0.000 description 2
- 239000002480 mineral oil Substances 0.000 description 2
- 235000010446 mineral oil Nutrition 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000002540 palm oil Substances 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 229940088417 precipitated calcium carbonate Drugs 0.000 description 2
- ROSDSFDQCJNGOL-UHFFFAOYSA-N protonated dimethyl amine Natural products CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 210000000582 semen Anatomy 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- JNYAEWCLZODPBN-JGWLITMVSA-N (2r,3r,4s)-2-[(1r)-1,2-dihydroxyethyl]oxolane-3,4-diol Chemical compound OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O JNYAEWCLZODPBN-JGWLITMVSA-N 0.000 description 1
- MTAODLNXWYIKSO-UHFFFAOYSA-N 2-fluoropyridine Chemical compound FC1=CC=CC=N1 MTAODLNXWYIKSO-UHFFFAOYSA-N 0.000 description 1
- 240000001592 Amaranthus caudatus Species 0.000 description 1
- 235000009328 Amaranthus caudatus Nutrition 0.000 description 1
- DNXHEGUUPJUMQT-CBZIJGRNSA-N Estrone Chemical compound OC1=CC=C2[C@H]3CC[C@](C)(C(CC4)=O)[C@@H]4[C@@H]3CCC2=C1 DNXHEGUUPJUMQT-CBZIJGRNSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 235000010086 Setaria viridis var. viridis Nutrition 0.000 description 1
- 235000019486 Sunflower oil Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000783 alginic acid Substances 0.000 description 1
- 235000010443 alginic acid Nutrition 0.000 description 1
- 229920000615 alginic acid Polymers 0.000 description 1
- 229960001126 alginic acid Drugs 0.000 description 1
- 150000004781 alginic acids Chemical class 0.000 description 1
- 150000003973 alkyl amines Chemical class 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 230000008485 antagonism Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- UDHMTPILEWBIQI-UHFFFAOYSA-N butyl naphthalene-1-sulfonate;sodium Chemical compound [Na].C1=CC=C2C(S(=O)(=O)OCCCC)=CC=CC2=C1 UDHMTPILEWBIQI-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
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- 238000010790 dilution Methods 0.000 description 1
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- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 244000230342 green foxtail Species 0.000 description 1
- 235000008216 herbs Nutrition 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 229910003480 inorganic solid Inorganic materials 0.000 description 1
- 239000002917 insecticide Substances 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to the field of pesticide herbicides, and particularly discloses a weeding composite containing fentrazamide and fluroxypyr. The weeding composite containing fentrazamide and fluroxypyr comprises the effective components of fentrazamide and fluroxypyr in a weight ratio of 1:88 to 88:1. The weeding composite containing fentrazamide and fluroxypyr has the benefits that firstly, the herbicide controlling spectrum is wide: the weeding composite is suitable for prevention and treatment of various annual and perennial weeds, and one-time herbicide application can effectively control the weed harm of the whole growing period of paddy fields; secondly the weeding composite is safe to rice and afterreap crops: even though the usage amount per mu is five times of proposed usage amount, the pesticide hazard is prevented, so that the herbicide application cost is reduced, and the affect on the afterreap crops is also reduced; thirdly, the antagonistic effect is prevented: the weeding composite has synergistic effect on the herbicidal activity of the weeds, and the weed control synergistic effect is remarkable; and fourthly, the cost is low, and the use is convenient.
Description
(1) technical field
The present invention relates to pesticide herbicide field, particularly a kind of Herbicidal combinations containing fentrazamide and fluroxypyr.
(2) background technology
Weeds are important component parts of agricultural ecosystem, always win honour for crops, strive fertilizer, strive water, are one of key factors causing the crop growth underproduction.In recent years, along with the change of cropping system, fertilising and seeding method, rice field crop smothering is very outstanding, very large loss is caused every year to production estimation, weed community and dominant population also there occurs change in addition, risen to dominant population than barnyard grass, moleplant seed, two fringe bromegrass, angustifolia arrowhead herb, pondweed, alternanthera philoxeroides, false loosestrife etc., what have then becomes malignant weed.In order to reduce the loss of crops, improving the average annual productivity of paddy field, must fast and effeciently control and prevent and kill off the various weeds in paddy field, therefore must develop a kind of standing grain wealthy two except, lasting period is long, the weed killer herbicide of safety and environmental protection.The method mainly spraying herbicide of current control farmland weed, the weed killer herbicide herbicide spectrum of unitary class is too narrow, and the Herbicidal combinations of Recompounded multielement then can expand herbicide spectrum.
Fentrazamide is the carbamyl Tetrazoline series new herbicides of the initiative of Japanese Beyer Co., Ltd and exploitation, when actual dispenser, fentrazamide weeding speed, weed growth can be suppressed after dispenser, excellent preventive effect is had to the grassy weed in rice field and sedge weed, but this weed killer herbicide is only effective to part broad leaved weed, to false loosestrife, alternanthera philoxeroides, flat stalk Fischer grass, rhizoma alismatis weak effect, the broad leaved weed in rice field thoroughly can not be prevented and kill off.
Fluroxypyr is inner sucting conduction type herbicide after seedling, absorbed rapidly by plant leaf blade and root after dispenser, conduct fast in vivo, there is the effect of plant hormone, strong to the lethality of plant, the dosage of unit are is few, and fluroxypyr can prevent and kill off multiple broad leaved weed, but invalid to grassy weed.
Fentrazamide and fluroxypyr are all the weed killer herbicides of unitary class, and all there is too narrow, the slow problem of weeding of herbicide spectrum, drug effect is not very desirable.
(3) summary of the invention
The present invention in order to make up the deficiencies in the prior art, provide a kind of broad weed-killing spectrum, synergistic effect significantly, weeding speed is fast, cost is low, easy to use, the Herbicidal combinations containing fentrazamide and fluroxypyr to paddy rice and succession crop safety.
The present invention is achieved through the following technical solutions:
Contain a Herbicidal combinations for fentrazamide and fluroxypyr, its active ingredient consists of fentrazamide and fluroxypyr, and the weight ratio of described fentrazamide and fluroxypyr is 1: 88 ~ 88: 1, and preferred weight ratio is 20: 40.
Described active ingredient fentrazamide and fluroxypyr account for 0.1% ~ 89% of Herbicidal combinations gross weight, be preferably 40% ~ 80%, all the other are auxiliary element, and auxiliary element can be one or more in emulsifier, wetting agent, dispersant, disintegrant, adhesive, thickener, filler.
According to different use needs or applying environment, Herbicidal combinations of the present invention can by the pesticide producing mode of existing routine, be prepared into the multi-form any formulation agriculturally allowed, such as: wetting powder, water dispersible granules, aqueous suspension, oil suspending agent, missible oil, aqueous emulsion or microemulsion etc., the preferred formulation of Herbicidal combinations of the present invention is water dispersible granules and oil suspending agent.
The percentage by weight of each constituent of described water dispersible granules in water dispersible granules is respectively: fentrazamide and fluroxypyr 40% ~ 80%, wetting agent and/or dispersant 0.1% ~ 15%, adhesive 3% ~ 5%, surplus is filler, its preferred percentage by weight is respectively: fentrazamide 20%, fluroxypyr 40%, wetting agent 3%, dispersant 4%, adhesive 3%, and surplus is filler.
When preparing aqueous emulsion or microemulsion, emulsifier used can be a kind of anion or non-ionic surface active agent, also can be the compound of multiple anion, non-ionic surface active agent composition, anion surfactant be as calcium dodecyl benzene sulfonate, neopelex etc.; Non-ionic surface active agent is as sorbitan fatty acid ester, alkylphenol polyoxyethylene polyethenoxy ether, polyoxyethylene alkyl amine etc.
Wetting agent used when preparing above-mentioned formulation can for lauryl sodium sulfate, fatty alcohol-polyoxyethylene ether, neopelex, pull open in powder, polyoxyethylene nonylphenol ether, OPEO sodium sulphate, aliphatic alcohol sulfate, alkylnaphthalene sulfonate, sodium butylnaphthalenesulfonate, sodium sulfate of polyethenoxy ether of fatty alcohol, fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene, alkyl benzyl dimethyl ammonium chloride, sorbitan fatty acid ester one or more.
Dispersant used when preparing above-mentioned formulation can be one or more in sodium lignin sulfonate, NNO, fatty alcohol ethylene oxide adduct sulphate, alkylphenol-polyethenoxy base ether phosphate, water-soluble high-molecular compound sodium carboxymethylcellulose, polyvinyl alcohol.
Thickener used when preparing above-mentioned formulation can be one or more in aluminium-magnesium silicate, xanthans, white carbon.
Disintegrant used when preparing above-mentioned formulation can be one or more in starch and derivative sodium carboxymethyl starch, low-substituted hydroxypropyl cellulose, crospolyvinylpyrrolidone, alginic acid and salt, clay.
Adhesive used when preparing above-mentioned formulation can be one or more in the surfactants such as the formaldehyde condensation products of lignosulfonates, alkylbenzenesulfonate, alkylnaphthalene sulfonate, polycarboxylic acid or water-soluble high-molecular compound sodium carboxymethylcellulose, polyvinyl alcohol.
Filler used when preparing above-mentioned formulation can be solid packing or liquid filler.Solid packing is organic or inorganic solid inert material mainly, as talcum, potter's clay, diatomite, aluminium-magnesium silicate, white carbon, pyrophillite, precipitated calcium carbonate etc.; And liquid filler mainly comprises part oil based solvent as soya-bean oil, cottonseed oil, palm oil, cocoa butter, rapeseed oil, Semen Ricini oil, turpentine oil, enriching vegetable oil, sunflower oil, paraffin series oil, methyl naphthalene higher aliphatic hydrocarbon ils or water etc.
Fentrazamide is used for preventing and kill off the various grassy weed such as barnyard grass, large fringe amur foxtail and local broad leaved weed, and fluroxypyr can prevent and kill off multiple broad leaved weed, therefore the two composite effect that can reach the wealthy double play of standing grain, improves weeding speed simultaneously, accelerates the death of weeds.
The beneficial effect that the present invention contains the Herbicidal combinations of fentrazamide and fluroxypyr is: 1. broad weed-killing spectrum: can weeds in water prevention rice field and prevent and kill off multiple annual and perennial weed, as barnyard grass, moleplant seed, two fringe bromegrass, angustifolia arrowhead herb, pondweed, alternanthera philoxeroides, false loosestrife, Herba Cyperi Glomerati, needle spikesedge herb etc., disposable dispenser, effectively can control the Weed infestation in paddy field whole vegetative period; 2. to paddy rice and succession crop safety: every mu of usage amount reaches recommends 5 times of consumption to occur without poisoning, in addition fentrazamide and fluroxypyr are carried out composite, reduce the consumption of fentrazamide and fluroxypyr respectively, both reduce drug cost, again reduce the impact on succession crop; 3. without antagonism: fentrazamide and fluroxypyr composite, be synergistic effect to the activity of weeding of weeds, and weed control synergistic effect is remarkable; 4. weeding speed is fast, and cost is low, easy to use.
(4) embodiment
Below in conjunction with embodiment, the invention will be further described, but the present invention is not limited thereto, and the formulation preparation method in embodiment is customary preparation methods.
The present invention contains the Herbicidal combinations of fentrazamide and fluroxypyr, its active ingredient consists of fentrazamide and fluroxypyr, wherein fentrazamide (Fentrazamide), chemical name is N-ring ethyl-N-ethyl-4-(2 chlorphenyl)-4,5-dihydro-5-1H-tetrazolium-1-acid amides, structural formula is:
Fluroxypyr (Fluroxypyr), other titles: make that it is grand, control green bristlegrass spirit, fluorine grass is fixed, fluroxypyr, chemical name is the fluoro-pyridine of the chloro-6-of 4-amino-3.5-two-2-fluoroacetic acid, and structural formula is:
Herbicidal combinations of the present invention is mainly used in management of weeds in paddy field, as multiple annual or perennial weeds such as barnyard grass, moleplant seed, two fringe bromegrass, angustifolia arrowhead herb, pondweed, alternanthera philoxeroides, false loosestrife, Herba Cyperi Glomerati, needle spikesedge herbs, but be not limited to above-mentioned weeds.At use Herbicidal combinations of the present invention in farmland during controlling weeds, can according to conditions such as different crops, soil, weather and weed population, be diluted with water to different concentration (conventional dilution concentration is the ratio of Herbicidal combinations of the present invention and water is 1: 200), adopt the conventional method of spraying insecticide to use on weeds.
Embodiment 1-4: fentrazamide fluroxypyr oil suspending agent
| Constituent | 0.1% oil suspending agent | 15% oil suspending agent | 25% oil suspending agent | 34% oil suspending agent |
| Fentrazamide | 0.05 | 3 | 5 | 4 |
| Fluroxypyr | 0.05 | 12 | 20 | 30 |
| Emulsifier | 10 | 12 | 15 | 18 |
| Wetting agent | 0.5 | 0.5 | 2 | 25 |
| Dispersant | 2 | 1 | 2 | 3 |
| Vegetable oil | Complement to 100% | Complement to 100% | —— | —— |
| Mineral oil | —— | —— | Complement to 100% | Complement to 100% |
In embodiment 1-4 emulsifier select sorbitan fatty acid ester, calcium dodecyl benzene sulfonate, OPEO sodium sulphate, alkylnaphthalene sulfonate, in one or more; Wetting agent is selected lauryl sodium sulfate, fatty alcohol-polyoxyethylene ether, neopelex, is pulled open powder, one or more in polyoxyethylene nonylphenol ether, octyl phenol phenol polyethenoxy ether sodium sulfate, aliphatic alcohol sulfate, alkylnaphthalene sulfonate; Dispersant selects one or more in sodium lignin sulfonate, NNO, alkylphenol-polyethenoxy base ether phosphate, water-soluble high-molecular compound sodium carboxymethylcellulose, polyvinyl alcohol; One or more in soya-bean oil, cottonseed oil, palm oil, cocoa butter, rapeseed oil, Semen Ricini oil, turpentine oil selected by vegetable oil; Mineral oil selects paraffin series oil, one or both in methyl naphthalene higher aliphatic hydrocarbon ils.
As shown in above-described embodiment 1-4, the conveniently preparation method of oil suspending agent processing technology, take said components fully to mix, in sand mill, be ground to the oil suspending agent that active ingredient particle diameter is less than 3 microns, namely obtain the oil-suspending agent of the different content in embodiment of the present invention 1-4 after filtration.
Embodiment 5-8: fentrazamide fluroxypyr aqueous suspension
| Constituent | 6% aqueous suspension | 25% aqueous suspension | 40% aqueous suspension | 48% aqueous suspension |
| Fentrazamide | 2 | 5 | 6 | 10 |
| Fluroxypyr | 4 | 20 | 34 | 38 |
| Wetting agent | 1 | 1.5 | 2 | 2.5 |
| Dispersant | 2 | 2 | 2.5 | 3 |
| Water | Complement to 100% | Complement to 100% | Complement to 100% | Complement to 100% |
In embodiment 5-8 wetting agent select neopelex, pull open powder, one or more in fatty alcohol-polyoxyethylene ether, polyoxyethylene nonylphenol ether, octyl phenol phenol polyethenoxy ether sodium sulfate, aliphatic alcohol sulfate, alkylnaphthalene sulfonate; Dispersant selects one or more in sodium lignin sulfonate, NNO, alkylphenol-polyethenoxy base ether phosphate, water-soluble high-molecular compound sodium carboxymethylcellulose, polyvinyl alcohol.
As shown in above-described embodiment 5-8, the conveniently preparation method of aqueous suspension processing technology, take said components fully to mix, in sand mill, be ground to the aqueous suspension that active ingredient particle diameter is less than 3 microns, namely obtain the aqueous suspension of the different content in embodiment of the present invention 5-8 after filtration.
Embodiment 9-12: fentrazamide fluroxypyr wetting powder
| Constituent | 60％WP | 70％WP | 80％WP | 89％WP |
| Fentrazamide | 1 | 1 | 1 | 1 |
| Fluroxypyr | 59 | 69 | 79 | 88 |
| Wetting agent | 3.5 | 3.8 | 4 | 4.2 |
| Dispersant | 3 | 3 | 4 | 4.5 |
| Filler | Complement to 100% | Complement to 100% | Complement to 100% | Complement to 100% |
In embodiment 9-12 wetting agent select lauryl sodium sulfate, fatty alcohol-polyoxyethylene ether, neopelex, pull open powder, one or more in polyoxyethylene nonylphenol ether, octyl phenol phenol polyethenoxy ether sodium sulfate, aliphatic alcohol sulfate, alkylnaphthalene sulfonate; Dispersant selects one or more in sodium lignin sulfonate, NNO, alkylphenol-polyethenoxy base ether phosphate, water-soluble high-molecular compound sodium carboxymethylcellulose, polyvinyl alcohol; One or more in talcum, potter's clay, diatomite, aluminium-magnesium silicate, white carbon, precipitated calcium carbonate selected by filler.
As shown in above-described embodiment 9-12, the conveniently preparation method of wetting powder processing technology, take said components fully to mix, in high speed disintegrator, beat powder be less than 44 microns to active ingredient particle diameter, obtain the wetting powder of different content in embodiment of the present invention 9-12.
Embodiment 13-16: fentrazamide fluroxypyr water dispersible granules
| Constituent | 50％WG | 60％WG | 77％WG | 89％WG |
| Fentrazamide | 2 | 20 | 45 | 88 |
| Fluroxypyr | 48 | 40 | 32 | 1 |
| Dispersant | 2.5 | 3 | 3.2 | 3.5 |
| Wetting agent | 3 | 3 | 3.5 | 3.5 |
| Adhesive | 1.5 | 1.8 | 2 | 2 |
| Filler | Complement to 100% | Complement to 100% | Complement to 100% | Complement to 100% |
In embodiment 13-16, dispersant selects one or more in sodium lignin sulfonate, NNO, alkylphenol-polyethenoxy base ether phosphate, water-soluble high-molecular compound sodium carboxymethylcellulose, polyvinyl alcohol; Wetting agent is selected lauryl sodium sulfate, fatty alcohol-polyoxyethylene ether, neopelex, is pulled open powder, one or more in polyoxyethylene nonylphenol ether, OPEO sodium sulphate, aliphatic alcohol sulfate, alkylnaphthalene sulfonate, sodium sulfate of polyethenoxy ether of fatty alcohol, fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene, alkyl benzyl dimethyl ammonium chloride; Adhesive selects one or more in the formaldehyde condensation products of lignosulfonates, alkylbenzenesulfonate, alkylnaphthalene sulfonate, water-soluble high-molecular compound sodium carboxymethylcellulose, polyvinyl alcohol; One or more in talcum, potter's clay, diatomite, aluminium-magnesium silicate, white carbon selected by filler.
As shown in above-described embodiment 13-16; the conveniently preparation method of water dispersible granules processing technology; take said components fully to mix; in high speed disintegrator, beat powder be less than 44 microns to active ingredient particle diameter; make pulvis; add appropriate water again in above-mentioned pulvis, then extruder grain in comminutor, obtain the water dispersible granules of different content in embodiment of the present invention 13-16.
Test A: prevent and kill off paddy field weed field control effectiveness test:
(A-1) test process:
Above-mentioned 8 test medicines are established in test, and repeat for 4 times, totally 32 experimental plots, every experimental plot area 20 square metres, random district group arranges.Wherein composition a ~ composition e is reagent agent, and medicament f, medicament g are contrast medicament, if water h is blank.Every mu is watered 30 kilograms, adopts 552 third type sprayers (0.7mm aperture) even spraying.Field main weeds has: barnyard grass, moleplant seed, two fringe bromegrass, angustifolia arrowhead herb, pondweed, alternanthera philoxeroides etc.
(A-2) pilot project and method:
A-2-i) safety: after dispenser, the situation of growing of investigation paddy rice, evaluates reagent agent to the safety of paddy rice;
A-2-ii) herbicidal effect: every experimental plot gets 4 points at random, investigates 1/4 square metre at often, within after dispenser 15 days, 30 days, respectively investigates once, records weeds kind and strain number respectively, calculate weeds strain preventive effect.
(A-3) result of the test:
A-3-i) safety: dispenser " Invest, Then Investigate ", composition a ~ composition e, medicament f and medicament g experimental plot Plant Height of Rice, Ye Se and water h blank experimental plot basically identical, show that reagent agent composition a ~ composition e, medicament f and medicament g are all to rice safety.
A-3-ii) herbicidal effect: result of the test is shown in Table I
30 days various weed control efficacies after Table I dispenser
From Table I, the fentrazamide fluroxypyr of different ratio to common weed strain preventive effect between 83.28% ~ 96.01%, all be better than contrast medicament 50% fentrazamide wetting powder and 20% fluroxypyr missible oil (weeds strain preventive effect is respectively 70.35% and 48.42%), wherein the weight ratio of fentrazamide and fluroxypyr is 1: 44 and 44: 1 all remarkable to rice field common weed preventive effect, weeds strain preventive effect is all more than 90%, and the weight ratio of fentrazamide and fluroxypyr when being 20: 40 preventive effect especially up to more than 96%.Illustrate thus, the weight ratio of fentrazamide and fluroxypyr is in 1: 88 ~ 88: 1 scope, grass family, broad-leaved and the sedge weed common to rice field have preventive effect, lasting period is greater than one month, substantially can control the crop smothering in rice field whole vegetative period, and Herbicidal combinations of the present invention is to rice safety.
Test B: prevent and kill off paddy field weed field control effectiveness test:
(B-1) test process:
4 test medicines are established in test, and repeat for 4 times, totally 16 experimental plots, every experimental plot area 20 square metres, random district group arranges.If water s is blank, composition p, composition q, composition r are reagent agent, and every mu is watered 30 kilograms, adopt 552 third type sprayers (0.7mm aperture) even spraying.Field main weeds has: barnyard grass, moleplant seed, two fringe bromegrass, angustifolia arrowhead herb, pondweed, alternanthera philoxeroides etc.
(B-2) pilot project and method:
B-2-i) safety: after dispenser, the situation of growing of investigation paddy rice, evaluates reagent agent to the safety of paddy rice;
B-2-ii) herbicidal effect: every experimental plot gets 4 points at random, investigates 1/4 square metre at often, within after dispenser 30 days, respectively investigates once, records weeds kind and strain number respectively, calculate weeds strain preventive effect.
(B-3) result of the test:
B-3-i) safety: dispenser " Invest, Then Investigate ", composition p, composition q, composition r experimental plot Plant Height of Rice, Ye Se and blank district are basically identical, show that composition p, composition q, composition r are all to rice safety.
B-3-ii) herbicidal effect: result of the test is shown in Table II
30 days various weed control efficacies after Table II dispenser
From Table II, when the weight ratio of fentrazamide and fluroxypyr is 20: 40, the fentrazamide fluroxypyr water dispersible granules of different content is to the good preventive effect of annual common weed, to weeds strain preventive effect more than 95.25%, when showing that fentrazamide and fluroxypyr weight ratio are optimal proportion, the Herbicidal combinations of active ingredient Different Weight percentage all has significant preventive effect to weeds, and can effective water prevention weeds in paddy field, ensure that the whole vegetative period of paddy rice is not by Weed infestation.
Above test examples explanation, optimum proportioning fentrazamide fluroxypyr=20: 40, to the common annual gramineae of paddy field and broad leaved weed preventive effect remarkable, weeds strain preventive effect is all more than 95%, more than one month lasting period, the basic controlling crop smothering in paddy rice whole vegetative period, and the weight ratio of fentrazamide and fluroxypyr is in the scope of 1: 88 ~ 88: 1, the annual gramineae common to paddy field and broad leaved weed have good preventive effect.
Claims (3)
1. contain a Herbicidal combinations for fentrazamide and fluroxypyr, it is characterized in that: its active ingredient consists of fentrazamide and fluroxypyr, the weight ratio of described fentrazamide and fluroxypyr is 20: 40.
2. a kind of Herbicidal combinations containing fentrazamide and fluroxypyr according to claim 1, is characterized in that: the formulation of this Herbicidal combinations is water dispersible granules.
3. a kind of Herbicidal combinations containing fentrazamide and fluroxypyr according to claim 2, it is characterized in that: the percentage by weight of each constituent of described water dispersible granules in water dispersible granules is: fentrazamide 20%, fluroxypyr 40%, wetting agent 3%, dispersant 4%, binding agent 3%, and surplus is filler.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1093703A (en) * | 1993-02-25 | 1994-10-19 | 日本拜耳农药株式会社 | Tetrazolinones as herbicides for use in paddy |
| CN1237336A (en) * | 1998-05-21 | 1999-12-08 | 日本拜耳农药株式会社 | Selective herbicidal composition |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2000239111A (en) * | 1999-02-19 | 2000-09-05 | Nippon Bayer Agrochem Co Ltd | Mixed herbicide composition for rice paddy |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1093703A (en) * | 1993-02-25 | 1994-10-19 | 日本拜耳农药株式会社 | Tetrazolinones as herbicides for use in paddy |
| CN1237336A (en) * | 1998-05-21 | 1999-12-08 | 日本拜耳农药株式会社 | Selective herbicidal composition |
Non-Patent Citations (1)
| Title |
|---|
| 张敏恒.氯氟吡氧乙酸.《新编农药商品手册》.化学工业出版社,2006,第750页. * |
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