CN104770383A - Weeding composition containing tebuthiuron and bromacil and applications of weeding composition - Google Patents
Weeding composition containing tebuthiuron and bromacil and applications of weeding composition Download PDFInfo
- Publication number
- CN104770383A CN104770383A CN201510187833.8A CN201510187833A CN104770383A CN 104770383 A CN104770383 A CN 104770383A CN 201510187833 A CN201510187833 A CN 201510187833A CN 104770383 A CN104770383 A CN 104770383A
- Authority
- CN
- China
- Prior art keywords
- bromacil
- sodium
- herbicidal combinations
- terbufos benzthiazuron
- combinations according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- CTSLUCNDVMMDHG-UHFFFAOYSA-N 5-bromo-3-(butan-2-yl)-6-methylpyrimidine-2,4(1H,3H)-dione Chemical compound CCC(C)N1C(=O)NC(C)=C(Br)C1=O CTSLUCNDVMMDHG-UHFFFAOYSA-N 0.000 title claims abstract description 103
- 239000000203 mixture Substances 0.000 title claims abstract description 36
- 238000009333 weeding Methods 0.000 title abstract description 11
- HBPDKDSFLXWOAE-UHFFFAOYSA-N Tebuthiuron Chemical compound CNC(=O)N(C)C1=NN=C(C(C)(C)C)S1 HBPDKDSFLXWOAE-UHFFFAOYSA-N 0.000 title abstract description 5
- 230000002363 herbicidal effect Effects 0.000 claims abstract description 40
- 241000196324 Embryophyta Species 0.000 claims abstract description 27
- 239000008187 granular material Substances 0.000 claims abstract description 20
- 239000004480 active ingredient Substances 0.000 claims abstract description 19
- XLNZEKHULJKQBA-UHFFFAOYSA-N terbufos Chemical compound CCOP(=S)(OCC)SCSC(C)(C)C XLNZEKHULJKQBA-UHFFFAOYSA-N 0.000 claims description 202
- DTCJYIIKPVRVDD-UHFFFAOYSA-N Benzthiazuron Chemical compound C1=CC=C2SC(NC(=O)NC)=NC2=C1 DTCJYIIKPVRVDD-UHFFFAOYSA-N 0.000 claims description 101
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 59
- 239000011734 sodium Substances 0.000 claims description 59
- 229910052708 sodium Inorganic materials 0.000 claims description 59
- 239000011230 binding agent Substances 0.000 claims description 35
- 239000002270 dispersing agent Substances 0.000 claims description 35
- 239000000080 wetting agent Substances 0.000 claims description 35
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 33
- -1 aryl phenol Chemical compound 0.000 claims description 24
- 229920005646 polycarboxylate Polymers 0.000 claims description 24
- 229920001353 Dextrin Polymers 0.000 claims description 23
- 239000004375 Dextrin Substances 0.000 claims description 23
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical group OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 claims description 23
- 235000019425 dextrin Nutrition 0.000 claims description 23
- 239000000843 powder Substances 0.000 claims description 23
- KDYFGRWQOYBRFD-UHFFFAOYSA-L succinate(2-) Chemical compound [O-]C(=O)CCC([O-])=O KDYFGRWQOYBRFD-UHFFFAOYSA-L 0.000 claims description 23
- 229920002261 Corn starch Polymers 0.000 claims description 22
- 239000008120 corn starch Substances 0.000 claims description 22
- 239000002245 particle Substances 0.000 claims description 22
- 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 claims description 21
- 229930006000 Sucrose Natural products 0.000 claims description 21
- 229920005551 calcium lignosulfonate Polymers 0.000 claims description 21
- RYAGRZNBULDMBW-UHFFFAOYSA-L calcium;3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Ca+2].COC1=CC=CC(CC(CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O RYAGRZNBULDMBW-UHFFFAOYSA-L 0.000 claims description 21
- 239000005720 sucrose Substances 0.000 claims description 21
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 12
- 238000009472 formulation Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 10
- 239000000194 fatty acid Substances 0.000 claims description 10
- 229930195729 fatty acid Natural products 0.000 claims description 10
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 9
- 239000000470 constituent Substances 0.000 claims description 9
- 239000000945 filler Substances 0.000 claims description 9
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 8
- 239000007859 condensation product Substances 0.000 claims description 8
- 159000000000 sodium salts Chemical class 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 6
- 150000002148 esters Chemical class 0.000 claims description 6
- 150000004665 fatty acids Chemical class 0.000 claims description 6
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 6
- 235000011152 sodium sulphate Nutrition 0.000 claims description 6
- 229920005682 EO-PO block copolymer Polymers 0.000 claims description 5
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 5
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 5
- JSYPRLVDJYQMAI-ODZAUARKSA-N (z)-but-2-enedioic acid;prop-2-enoic acid Chemical compound OC(=O)C=C.OC(=O)\C=C/C(O)=O JSYPRLVDJYQMAI-ODZAUARKSA-N 0.000 claims description 4
- 229920002126 Acrylic acid copolymer Polymers 0.000 claims description 4
- 239000005995 Aluminium silicate Substances 0.000 claims description 4
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 4
- 229920002472 Starch Polymers 0.000 claims description 4
- 235000012211 aluminium silicate Nutrition 0.000 claims description 4
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 claims description 4
- 235000013877 carbamide Nutrition 0.000 claims description 4
- 238000009833 condensation Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 4
- 150000002191 fatty alcohols Chemical class 0.000 claims description 4
- NVVZQXQBYZPMLJ-UHFFFAOYSA-N formaldehyde;naphthalene-1-sulfonic acid Chemical compound O=C.C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 NVVZQXQBYZPMLJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000008103 glucose Substances 0.000 claims description 4
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- 229960000776 sodium tetradecyl sulfate Drugs 0.000 claims description 4
- KKDONKAYVYTWGY-UHFFFAOYSA-M sodium;2-(methylamino)ethanesulfonate Chemical compound [Na+].CNCCS([O-])(=O)=O KKDONKAYVYTWGY-UHFFFAOYSA-M 0.000 claims description 4
- UPUIQOIQVMNQAP-UHFFFAOYSA-M sodium;tetradecyl sulfate Chemical compound [Na+].CCCCCCCCCCCCCCOS([O-])(=O)=O UPUIQOIQVMNQAP-UHFFFAOYSA-M 0.000 claims description 4
- 239000008107 starch Substances 0.000 claims description 4
- 235000019698 starch Nutrition 0.000 claims description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 229960000892 attapulgite Drugs 0.000 claims description 3
- 229920001400 block copolymer Polymers 0.000 claims description 3
- 239000004202 carbamide Substances 0.000 claims description 3
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 3
- 235000018927 edible plant Nutrition 0.000 claims description 3
- 229910052625 palygorskite Inorganic materials 0.000 claims description 3
- 229920001451 polypropylene glycol Polymers 0.000 claims description 3
- 229940088417 precipitated calcium carbonate Drugs 0.000 claims description 3
- 229920001285 xanthan gum Polymers 0.000 claims description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims description 2
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 claims description 2
- 239000000440 bentonite Substances 0.000 claims description 2
- 229910000278 bentonite Inorganic materials 0.000 claims description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 2
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 claims description 2
- 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 claims description 2
- RRDQTXGFURAKDI-UHFFFAOYSA-N formaldehyde;naphthalene-2-sulfonic acid Chemical compound O=C.C1=CC=CC2=CC(S(=O)(=O)O)=CC=C21 RRDQTXGFURAKDI-UHFFFAOYSA-N 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 229920005552 sodium lignosulfonate Polymers 0.000 claims description 2
- 239000003814 drug Substances 0.000 abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 21
- 230000000694 effects Effects 0.000 abstract description 12
- 230000002045 lasting effect Effects 0.000 abstract description 11
- 239000007921 spray Substances 0.000 abstract description 9
- 239000004009 herbicide Substances 0.000 abstract description 8
- 239000002689 soil Substances 0.000 abstract description 4
- 239000003595 mist Substances 0.000 abstract description 3
- 230000001737 promoting effect Effects 0.000 abstract description 3
- 231100000419 toxicity Toxicity 0.000 abstract description 2
- 230000001988 toxicity Effects 0.000 abstract description 2
- 238000007865 diluting Methods 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 description 37
- 230000003449 preventive effect Effects 0.000 description 26
- 238000012360 testing method Methods 0.000 description 14
- 239000003337 fertilizer Substances 0.000 description 12
- 230000000857 drug effect Effects 0.000 description 10
- 240000004244 Cucurbita moschata Species 0.000 description 9
- 235000009854 Cucurbita moschata Nutrition 0.000 description 9
- 235000009852 Cucurbita pepo Nutrition 0.000 description 9
- 238000005469 granulation Methods 0.000 description 9
- 230000003179 granulation Effects 0.000 description 9
- 235000020354 squash Nutrition 0.000 description 9
- 229940079593 drug Drugs 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- 239000000575 pesticide Substances 0.000 description 6
- 239000002131 composite material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000003892 spreading Methods 0.000 description 5
- 231100000572 poisoning Toxicity 0.000 description 4
- 230000000607 poisoning effect Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 244000025254 Cannabis sativa Species 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000000205 computational method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 231100000566 intoxication Toxicity 0.000 description 2
- 230000035987 intoxication Effects 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 244000047855 Acalypha wilkesiana Species 0.000 description 1
- 240000001592 Amaranthus caudatus Species 0.000 description 1
- 235000009328 Amaranthus caudatus Nutrition 0.000 description 1
- 244000099147 Ananas comosus Species 0.000 description 1
- 235000007119 Ananas comosus Nutrition 0.000 description 1
- BSYNRYMUTXBXSQ-UHFFFAOYSA-N Aspirin Chemical compound CC(=O)OC1=CC=CC=C1C(O)=O BSYNRYMUTXBXSQ-UHFFFAOYSA-N 0.000 description 1
- 241000143476 Bidens Species 0.000 description 1
- 235000010662 Bidens pilosa Nutrition 0.000 description 1
- 241000223019 Caragana korshinskii Species 0.000 description 1
- 208000018380 Chemical injury Diseases 0.000 description 1
- 241000207199 Citrus Species 0.000 description 1
- 244000242024 Conyza bonariensis Species 0.000 description 1
- 235000004385 Conyza canadensis Nutrition 0.000 description 1
- 244000265913 Crataegus laevigata Species 0.000 description 1
- 235000013175 Crataegus laevigata Nutrition 0.000 description 1
- 241000230452 Cyclothone braueri Species 0.000 description 1
- 240000003173 Drymaria cordata Species 0.000 description 1
- 241000380130 Ehrharta erecta Species 0.000 description 1
- 244000025670 Eleusine indica Species 0.000 description 1
- 235000014716 Eleusine indica Nutrition 0.000 description 1
- 241001553700 Euphorbia lathyris Species 0.000 description 1
- 240000000950 Hippophae rhamnoides Species 0.000 description 1
- 235000003145 Hippophae rhamnoides Nutrition 0.000 description 1
- 241000274842 Kalidium Species 0.000 description 1
- 241000960207 Krascheninnikovia ceratoides Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 229940087098 Oxidase inhibitor Drugs 0.000 description 1
- 244000292693 Poa annua Species 0.000 description 1
- 241000209504 Poaceae Species 0.000 description 1
- 244000292697 Polygonum aviculare Species 0.000 description 1
- 235000006386 Polygonum aviculare Nutrition 0.000 description 1
- 240000000111 Saccharum officinarum Species 0.000 description 1
- 235000007201 Saccharum officinarum Nutrition 0.000 description 1
- 241000124033 Salix Species 0.000 description 1
- 240000005592 Veronica officinalis Species 0.000 description 1
- 240000006365 Vitis vinifera Species 0.000 description 1
- 235000014787 Vitis vinifera Nutrition 0.000 description 1
- 240000008866 Ziziphus nummularia Species 0.000 description 1
- 229960001138 acetylsalicylic acid Drugs 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000020971 citrus fruits Nutrition 0.000 description 1
- FYGDTMLNYKFZSV-MRCIVHHJSA-N dextrin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)OC1O[C@@H]1[C@@H](CO)OC(O[C@@H]2[C@H](O[C@H](O)[C@H](O)[C@H]2O)CO)[C@H](O)[C@H]1O FYGDTMLNYKFZSV-MRCIVHHJSA-N 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
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- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 235000012907 honey Nutrition 0.000 description 1
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Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a weeding composition containing tebuthiuron and bromacil and applications of the weeding composition. The composition takes tebuthiuron and bromacil in a mass ratio of (1-40): (1-40) as active ingredients. The weeding composition disclosed by the invention can be used for preventing and extirpating weeds in non-cultivation areas, or used for preventing and extirpating trees and shrubs in pastures and promoting the grassland instauration, and the prevention effect is significantly higher than that achieved by independently using tebuthiuron or bromacil. The weeding composition is prepared into large granules, so that the release rate of herbicide active ingredients can be controlled, the lasting period is long, the application amount of the composition is relatively reduced, and no crop toxicity of medicament is easily caused; for the large granules, the operation of adding the large granules into water for dissolving and diluting and then applying the obtained solution in the mist spray form is not need, and the large granules can be directly spread over the fields artificially or spread on the soil surface by using planes, thereby saving time and labor, and achieving an effect of convenience and rapidness; and the large granules are not attached on the stems and leaves of crops, so that the large granules are small in drift, have small pollution to the environment, and avoid herbicide hazards due to direct contact, therefore, the weeding composition is safe to the herbicide application personnel.
Description
Technical field
The present invention relates to a kind of Herbicidal combinations and the application thereof that contain terbufos benzthiazuron and bromacil, be specifically related to a kind of large granula Herbicidal combinations and the application thereof that contain terbufos benzthiazuron and bromacil, belong to technical field of pesticide.
Background technology
Terbufos benzthiazuron, English common name: Tebuthiuron, chemical name: N-(5-tertiary butyl-1,3,4 ,-thiadiazoles-2-base)-N, N'-dimethyl urea.Terbufos benzthiazuron outward appearance is white solid, and in water, solvability 2.5g/L (25 DEG C), is soluble in acetone, chloroform, the organic solvents such as methyl alcohol, stable under illumination condition, stable in the aqueous solution of pH5 ~ 9, under pH3.6 and pH9 (25 DEG C), be hydrolyzed DT
50> 64 days.Terbufos benzthiazuron is that inner sucting conduction type goes out natural disposition ureas broad-spectrum herbicide, is a kind of photosynthetic inhibitor.Terbufos benzthiazuron can be used for pasture and prevents and kill off shrub; Or the growth of each Plants is prevented and kill off in non-plantation area; Or prevent and kill off grass family and broad leaved weed in sugarcane field selectivity.Control annual weed consumption 2 ~ 2.5Kg/hm
2, perennial weed consumption 4 ~ 6Kg/hm
2, control shrub 2.5 ~ 5Kg/hm
2.
Bromacil, English name: bromacil, chemical name: 6-methyl-5-bromo-3-sec-butyl urea pyrimidine, have another name called bromacil, must mite Garrick.Bromacil sterling is colorless crystalline solid, and in water, solvability 815mg/L (25 DEG C), dissolves in acetone, the organic solvents such as ethanol, also dissolve in highly basic.Bromacil belongs to proporphyrinogen oxidase inhibitor class nonselective herbicide, and can prevent and kill off uncultivated area and do the most weeds in district, consumption is 5 ~ 15Kg/hm
2; In the citrus orchard of field planting, prevent and kill off annual weed, consumption is 3.2 ~ 8.0Kg/hm
2; Pineapple Tanaka management of weeds, consumption is 1.8 ~ 5.5Kg/hm
2.
The single dose of terbufos benzthiazuron and bromacil all belongs to broad spectrum weeding agent, can be used for uncultivated area and do district (as train way limit) management of weeds, or for preventing and kill off shrub in pasture, promoting grassland instauration, but along with the increase of the medication time limit, there is the shortcomings such as herbicide resistance, herbicide spectrum is narrow, consumption is large, not only increase cost, environmental pressure also increases.If by solving the problem, to practical application by significant to terbufos benzthiazuron and the composite of bromacil.
In addition, the formulation of terbufos benzthiazuron and bromacil mostly is wetting powder, water dispersible granules now, these formulations need to carry out dispenser with the form of spraying, this insecticide-applying way is time-consuming, labour intensity is large, and the availability of active ingredient is lower, add the chance that medicament directly contacts with people, increase the danger to dispenser personnel.Large granula (macro granule, GG) be the granule of a kind of particle size range between 2.0 ~ 6.0mm, it has significant supplementary function for the spray agent of pulvis (directly dusting) and dilute with water, this large granula can direct labor to be spread fertilizer over the fields or aircraft spreads fertilizer over the fields at soil surface, time saving and energy saving.If large granula made by terbufos benzthiazuron and bromacil, when can effectively avoid scattering, micro mist flies upward, and pollutes surrounding environment; Reduce operating personnel in dispenser process and suck micro mist, can intoxication accident be avoided; Make that high-toxic pesticide is low to be poisoned, granule can spread fertilizer over the fields by direct hand, and unlikely poisoning; The rate of release of active ingredient in granule can be controlled, extend the lasting period; During dispenser, there is directionality, make the granule of spreading really can arrive the place of needs; Be not attached on the cauline leaf of plant, avoid directly contact to produce poisoning.
Summary of the invention
The object of this invention is to provide a kind of Herbicidal combinations containing terbufos benzthiazuron and bromacil, terbufos benzthiazuron and bromacil carry out composite by said composition, improve herbicidal effect.
Present invention also offers the large granula formulation of one of this Herbicidal combinations, this formulation does not need spray pesticide, can direct labor to spread fertilizer over the fields or aircraft spreads fertilizer over the fields, time saving and energy saving.
Present invention also offers the application of this Herbicidal combinations in controlling weeds, be mainly used for uncultivated area and do district management of weeds, or for preventing and kill off shrub in pasture, promoting grassland instauration.
The present invention is decided to be active ingredient with terbufos benzthiazuron and weeding, obtains composition of good performance by composite.Terbufos benzthiazuron and bromacil all belong to the toxicity such as low, and to people and animals, beneficial organism, Environmental security, the composite of both has higher control efficiency to the shrub that uncultivated area is done in the weeds in district or pasture, obvious synergistic effect is there is between two components, and active ingredient dosage reduces after mixed, effectively reduce ecosystem environment to pollute, also can delay the resistance of weeds to single medicament, there is good application prospect.
Technical scheme of the present invention is as follows:
A kind of Herbicidal combinations, active ingredient comprises terbufos benzthiazuron and bromacil, and terbufos benzthiazuron and bromacil mass ratio are 1 ~ 40: 1 ~ 40, and preferred mass ratio is 0.05 ~ 15:1, more preferably 0.5 ~ 2:1, more preferably 1:1.The composition medicine better effects if obtained is used with according to preferred proportion.
Herbicidal combinations of the present invention can add acceptable auxiliary material on agricultural chemicals disclosed in prior art and make formulation of good performance, preferably can make granule, more preferably can make the large granula facilitating dispenser.
When Herbicidal combinations is large granula, described particle diameter is 2.0 ~ 6.0mm, is more specifically 2.0mm, 2.5mm, 3.0mm, 3.5mm, 4mm, 5mm and 6mm.When large granula particle diameter is 3.0mm, large granula performance and drug effect the best; When particle diameter is 2.0mm and 2.5mm, when spreading fertilizer over the fields use, still have drift phenomenon; When particle diameter is 3.5mm, 4mm, 5mm and 6mm, after spreading fertilizer over the fields use, the spacing of particle on soil is increasing, affects the performance of drug effect.Therefore particle diameter is preferably 2.0-4.0mm, and optimum is 3.0mm.
In Herbicidal combinations of the present invention, the content of active ingredient is 5 ~ 40wt%, is preferably 5 ~ 30wt%, more preferably 10 ~ 30wt%, is more preferably 15 ~ 25wt%, most preferably is 20wt%.Except active ingredient, it is adjunct ingredient.When Herbicidal combinations of the present invention is large granula, because be not that spraying uses but spreads fertilizer over the fields use, under the condition that active ingredient mu consumption is determined, if preparation of traditional Chinese medicine active constituent content is too high, then can make to spread fertilizer over the fields spacing between rear particle excessive, cause the preventive effect scope of individual particle to be less than grain spacing, cause control dead angle.When being therefore large granula, effective ingredient content is not higher than 40wt%, optimum 20wt%.
When composition is large granula, composition and the weight percent content of this large granula active ingredient and auxiliary material are as follows: active ingredient 5 ~ 40% (is preferably 5 ~ 30wt%, more preferably 10 ~ 30wt%, be preferably 15 ~ 25wt% again, most preferably be 20wt%), dispersant 3 ~ 6%, wetting agent 1 ~ 4%, binding agent 3 ~ 6%, filler surplus.When adopting following weight percent content, performance and the drug effect of large granula are better: active ingredient 5 ~ 40% (is preferably 5 ~ 30wt%, more preferably 10 ~ 30wt%, be preferably 15 ~ 25wt% again, most preferably be 20wt%), dispersant 5wt%, wetting agent 1.5wt%, binding agent 5wt%, filler surplus.
In above-mentioned large granula, described dispersant is one or more in di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate, 2-naphthalene sulfonic acid formaldehyde polymer sodium salt, maleic acid-acrylic acid copolymer salt, polyox-yethylene-polyoxypropylene block copolymer, naphtholsulfonic acid formaldehyde condensation products sodium salt, ethylene oxide-propylene oxide block copolymer, aryl phenol APEO, two naphthalenesulfonate formaldehyde condensation compound sodium salt, polycarboxylate sodium, alkylphenol sodium sulfonate, alkyl naphthalene sulfonic acid formaldehyde condensation products sodium salt, calcium lignosulfonate and alkylphenol polyoxyethylene formaldehyde condensation products sulphate.
Described wetting agent is lauryl sodium sulfate, neopelex, sodium lignin sulfonate, pull open powder, a-sulfo methyl ester, sodium tetradecyl sulfate, Negel, a-alkene sulfonic acid sodium, fatty acid amide N methyl taurine sodium salt, dialkyl group succinate sulfonate sodium, sodium sulfate of polyethenoxy ether of fatty alcohol, alkyl phenol polyethenoxy ether sodium sulfate, alkylphenol polyoxyethylene succinic acid half ester sodium sulfonate, one or more in fatty acid sulfates and fatty acid ester sulphate.
Described binding agent is one or more in PVP, glucose, sucrose, soluble starch, xanthans, dextrin and land plaster.
Described filler is one or more in kaolin, attapulgite, diatomite, bentonite, white carbon, precipitated calcium carbonate, corn starch, urea, talcum powder and anhydrous sodium sulfate.
When following component selected by auxiliary material large granula performance and drug effect better: described dispersant by polycarboxylate sodium and calcium lignosulfonate in mass ratio 1:9 mix; Described wetting agent by dialkyl group succinate sulfonate sodium and lauryl sodium sulfate in mass ratio 1:2 mix; Described binding agent by sucrose and dextrin in mass ratio for 4:1 mixes; Described filler is corn starch.
The preparation method of the large granula of above-mentioned terbufos benzthiazuron and bromacil comprises the following steps:
(1) terbufos benzthiazuron, bromacil, dispersant, wetting agent, binding agent and filler are mixed, carry out ultra micro air-flow crushing, obtain 680 ~ 840 object fine powders, for subsequent use;
(2) gained fine powder is added water mediate, then kneading material is carried out the wet granular that extruder grain obtains diameter 2.0 ~ 6.0mm (preferred 3.0mm), dry for 30 ~ 70 DEG C and to obtain large granula.
The present invention's large granula drug effect is high, and herbicidal effect is good, easy to utilize.This large granula preparation method is simple, easy to operate, less energy consumption, environmental protection, can realize continuous prodution, ultra micro air-flow crushing is adopted to pulverize medicine, gained diameter of aspirin particle, between 680 ~ 840 orders, meets the requirement of terbufos benzthiazuron and the performance of bromacil drug effect, utilizes extruder grain method more simple, be convenient to implement, it can carry out continuous prodution, and manufacturing cost is lower, and product quality is excellent.
Terbufos benzthiazuron and bromacil carry out composite by the present invention, effective advantage having played both, products obtained therefrom good quality, good drug efficacy, can be used for uncultivated area and do district management of weeds, also may be used for preventing and kill off in pasture shrub, promote grassland instauration, preventive effect is apparently higher than the preventive effect of alone terbufos benzthiazuron or alone bromacil.The present composition obviously can save Financial cost, the residual quantity of medicament in agricultural product and environment can also be reduced simultaneously, delay the generation that main raw herbicide resistance and secondary weeds are rampant again, extend the service life of medicament, there is important economic implications, environment protection significance and ecological significance.
Terbufos benzthiazuron and bromacil Herbicidal combinations are made large granula by the present invention, and can control the rate of release of pesticide active ingredient, the lasting period is long, dosage is reduced relatively, not easily causes chemical injury of crops; Large granula does not need to be added to the water dissolved dilution spray pesticide again, and can direct labor to spread fertilizer over the fields or aircraft spreads fertilizer over the fields at soil surface, have directionality during dispenser, the large granula of spreading can arrive the place of needs really, time saving and energy saving, convenient and swift; Large granula is not attached on the cauline leaf of crop, and drift little, environmental pollution is little, avoids directly contact to produce poisoning, to dispenser personal security.
Embodiment
Further, with following specific embodiment, the present invention is described in detail, but the present invention is limited to absolutely not these examples.If no special instructions, following each component content is weight percentage.
The large granula of embodiment 1 20% terbufos benzthiazuron bromacil
Terbufos benzthiazuron 10%, bromacil 10%, dispersant polycarboxylate sodium 0.5%, calcium lignosulfonate 4.5%, wetting agent dialkyl group succinate sulfonate sodium 0.5%, lauryl sodium sulfate 1.0%, binding agent sucrose 4%, dextrin 1%, corn starch supplies 100%.
Preparation method is: after each component fully being mixed; carry out ultra micro air-flow crushing; obtain 750 order fine powders; again gained fine powder is added in kneader appropriate water to mediate; through squash type granulator granulation; obtain the wet granular of diameter 3.0mm, dry at 70 DEG C in fluidizing fluid-bed, namely obtain the large granula of 20% terbufos benzthiazuron bromacil.
The large granula of embodiment 2 20% terbufos benzthiazuron bromacil
Large granule formulations and preparation method with embodiment 1, unlike: large granula diameter is 2.0mm.
The large granula of embodiment 3 20% terbufos benzthiazuron bromacil
Large granule formulations and preparation method with embodiment 1, unlike: large granula diameter is 2.5mm.
The large granula of embodiment 4 20% terbufos benzthiazuron bromacil
Large granule formulations and preparation method with embodiment 1, unlike: large granula diameter is 3.5mm.
The large granula of embodiment 5 20% terbufos benzthiazuron bromacil
Large granule formulations and preparation method with embodiment 1, unlike: large granula diameter is 4.0mm.
The large granula of embodiment 6 20% terbufos benzthiazuron bromacil
Large granule formulations and preparation method with embodiment 1, unlike: large granula diameter is 5.0mm.
The large granula of embodiment 7 20% terbufos benzthiazuron bromacil
Large granule formulations and preparation method with embodiment 1, unlike: large granula diameter is 6.0mm.
The large granula of embodiment 8 15% terbufos benzthiazuron bromacil
Terbufos benzthiazuron 7.5%, bromacil 7.5%, dispersant polycarboxylate sodium 0.5%, calcium lignosulfonate 4.5%, wetting agent dialkyl group succinate sulfonate sodium 0.5%, lauryl sodium sulfate 1.0%, binding agent sucrose 4%, dextrin 1%, corn starch supplies 100%.
Preparation method is with embodiment 1.
The large granula of embodiment 9 18% terbufos benzthiazuron bromacil
Terbufos benzthiazuron 9%, bromacil 9%, dispersant polycarboxylate sodium 0.5%, calcium lignosulfonate 4.5%, wetting agent dialkyl group succinate sulfonate sodium 0.5%, lauryl sodium sulfate 1.0%, binding agent sucrose 4%, dextrin 1%, corn starch supplies 100%.
Preparation method is with embodiment 1.
The large granula of embodiment 10 22% terbufos benzthiazuron bromacil
Terbufos benzthiazuron 11%, bromacil 11%, dispersant polycarboxylate sodium 0.5%, calcium lignosulfonate 4.5%, wetting agent dialkyl group succinate sulfonate sodium 0.5%, lauryl sodium sulfate 1.0%, binding agent sucrose 4%, dextrin 1%, corn starch supplies 100%.
Preparation method is with embodiment 1.
The large granula of embodiment 11 25% terbufos benzthiazuron bromacil
Terbufos benzthiazuron 12.5%, bromacil 12.5%, dispersant polycarboxylate sodium 0.5%, calcium lignosulfonate 4.5%, wetting agent dialkyl group succinate sulfonate sodium 0.5%, lauryl sodium sulfate 1.0%, binding agent sucrose 4%, dextrin 1%, corn starch supplies 100%.
Preparation method is with embodiment 1.
The large granula of embodiment 12 10% terbufos benzthiazuron bromacil
Terbufos benzthiazuron 5%, bromacil 5%, dispersant polycarboxylate sodium 0.5%, calcium lignosulfonate 4.5%, wetting agent dialkyl group succinate sulfonate sodium 0.5%, lauryl sodium sulfate 1.0%, binding agent sucrose 4%, dextrin 1%, corn starch supplies 100%.
Preparation method is with embodiment 1.
The large granula of embodiment 13 12% terbufos benzthiazuron bromacil
Terbufos benzthiazuron 6%, bromacil 6%, dispersant polycarboxylate sodium 0.5%, calcium lignosulfonate 4.5%, wetting agent dialkyl group succinate sulfonate sodium 0.5%, lauryl sodium sulfate 1.0%, binding agent sucrose 4%, dextrin 1%, corn starch supplies 100%.
Preparation method is with embodiment 1.
The large granula of embodiment 14 28% terbufos benzthiazuron bromacil
Terbufos benzthiazuron 14%, bromacil 14%, dispersant polycarboxylate sodium 0.5%, calcium lignosulfonate 4.5%, wetting agent dialkyl group succinate sulfonate sodium 0.5%, lauryl sodium sulfate 1.0%, binding agent sucrose 4%, dextrin 1%, corn starch supplies 100%.
Preparation method is with embodiment 1.
The large granula of embodiment 15 30% terbufos benzthiazuron bromacil
Terbufos benzthiazuron 15%, bromacil 15%, dispersant polycarboxylate sodium 0.5%, calcium lignosulfonate 4.5%, wetting agent dialkyl group succinate sulfonate sodium 0.5%, lauryl sodium sulfate 1.0%, binding agent sucrose 4%, dextrin 1%, corn starch supplies 100%.
Preparation method is with embodiment 1.
The large granula of embodiment 16 5% terbufos benzthiazuron bromacil
Terbufos benzthiazuron 2.5%, bromacil 2.5%, dispersant polycarboxylate sodium 0.5%, calcium lignosulfonate 4.5%, wetting agent dialkyl group succinate sulfonate sodium 0.5%, lauryl sodium sulfate 1.0%, binding agent sucrose 4%, dextrin 1%, corn starch supplies 100%.
Preparation method is with embodiment 1.
The large granula of embodiment 17 8% terbufos benzthiazuron bromacil
Terbufos benzthiazuron 4%, bromacil 4%, dispersant polycarboxylate sodium 0.5%, calcium lignosulfonate 4.5%, wetting agent dialkyl group succinate sulfonate sodium 0.5%, lauryl sodium sulfate 1.0%, binding agent sucrose 4%, dextrin 1%, corn starch supplies 100%.
Preparation method is with embodiment 1.
The large granula of embodiment 18 35% terbufos benzthiazuron bromacil
Terbufos benzthiazuron 17.5%, bromacil 17.5%, dispersant polycarboxylate sodium 0.5%, calcium lignosulfonate 4.5%, wetting agent dialkyl group succinate sulfonate sodium 0.5%, lauryl sodium sulfate 1.0%, binding agent sucrose 4%, dextrin 1%, corn starch supplies 100%.
Preparation method is with embodiment 1.
The large granula of embodiment 19 40% terbufos benzthiazuron bromacil
Terbufos benzthiazuron 20%, bromacil 20%, dispersant polycarboxylate sodium 0.5%, calcium lignosulfonate 4.5%, wetting agent dialkyl group succinate sulfonate sodium 0.5%, lauryl sodium sulfate 1.0%, binding agent sucrose 4%, dextrin 1%, corn starch supplies 100%.
Preparation method is with embodiment 1.
The large granula of embodiment 20 20% terbufos benzthiazuron bromacil
Terbufos benzthiazuron 10%, bromacil 10%; dispersant polycarboxylate sodium 3%, naphtholsulfonic acid formaldehyde condensation products sodium salt 2%; wetting agent a-sulfo methyl ester 1.0%, fatty acid amide N methyl taurine sodium salt 1.0%, binding agent PVP2%, soluble starch 2%, kaolin supplies 100%.
Preparation method is with embodiment 1.
The large granula of embodiment 21 20% terbufos benzthiazuron bromacil
Terbufos benzthiazuron 13.33%, bromacil 6.67%, dispersant polycarboxylate sodium 3%, ethylene oxide-propylene oxide block copolymer 3%, wetting agent sodium sulfate of polyethenoxy ether of fatty alcohol 1.0%, lauryl sodium sulfate 3%, binding agent dextrin 6%, corn starch supplies 100%.
Preparation method is: after each component fully being mixed; carry out ultra micro air-flow crushing; obtain 750 order fine powders; again gained fine powder is added in kneader appropriate water to mediate; through squash type granulator granulation; obtain the wet granular of diameter 3.0mm, dry at 60 DEG C in fluidizing fluid-bed, namely obtain the large granula of 20% terbufos benzthiazuron bromacil.
The large granula of embodiment 22 20% terbufos benzthiazuron bromacil
Terbufos benzthiazuron 6.67%, bromacil 13.33%, dispersant ethylene oxide-propylene oxide block copolymer 2%, aryl phenol APEO 1%, wetting agent lauryl sodium sulfate 1%, binding agent glucose 3%, talcum powder supplies 100%.
Preparation method is: after each component fully being mixed; carry out ultra micro air-flow crushing; obtain 720 order fine powders; again gained fine powder is added in kneader appropriate water to mediate; through squash type granulator granulation; obtain the wet granular of diameter 3.0mm, dry at 65 DEG C in fluidizing fluid-bed, namely obtain the large granula of 20% terbufos benzthiazuron bromacil.
The large granula of embodiment 23 20% terbufos benzthiazuron bromacil
Terbufos benzthiazuron 18.75%, bromacil 1.25%, dispersant maleic acid-acrylic acid copolymer salt 2.5%, alkylphenol polyoxyethylene formaldehyde condensation products sulphate 2.5%, wetting agent dialkyl group succinate sulfonate sodium 1.0%, sodium sulfate of polyethenoxy ether of fatty alcohol 1.0%, binding agent dextrin 3%, diatomite supplies 100%.
Preparation method is: after each component fully being mixed; carry out ultra micro air-flow crushing; obtain 650 order fine powders; again gained fine powder is added in kneader appropriate water to mediate; through squash type granulator granulation; obtain the wet granular of diameter 3.0mm, dry at 60 DEG C in fluidizing fluid-bed, namely obtain the large granula of 20% terbufos benzthiazuron bromacil.
The large granula of embodiment 24 20% terbufos benzthiazuron bromacil
Terbufos benzthiazuron 0.95%, bromacil 19.05%, the two naphthalenesulfonate formaldehyde condensation compound sodium salt 3.5% of dispersant, alkylphenol sodium sulfonate 2.5%, wetting agent alkylphenol polyoxyethylene succinic acid half ester sodium sulfonate 0.8%, fatty acid sulfates 1.4%, binding agent land plaster 3%, precipitated calcium carbonate supplies 100%.
Preparation method is: after each component fully being mixed; carry out ultra micro air-flow crushing; obtain 550 order fine powders; again gained fine powder is added in kneader appropriate water to mediate; through squash type granulator granulation; obtain the wet granular of diameter 3.0mm, dry at 60 DEG C in fluidizing fluid-bed, namely obtain the large granula of 20% terbufos benzthiazuron bromacil.
The large granula of embodiment 25 20% terbufos benzthiazuron bromacil
Terbufos benzthiazuron 0.49%, bromacil 19.51%, the two naphthalenesulfonate formaldehyde condensation compound sodium salt 3% of dispersant, polycarboxylate sodium 0.5%, wetting agent sodium tetradecyl sulfate 1.5%, Negel 1.5%, binding agent xanthans 0.5%, soluble starch 3%, diatomite supplies 100%.
Preparation method is: after each component fully being mixed; carry out ultra micro air-flow crushing; obtain 700 order fine powders; again gained fine powder is added in kneader appropriate water to mediate; through squash type granulator granulation; obtain the wet granular of diameter 3.0mm, dry at 65 DEG C in fluidizing fluid-bed, namely obtain the large granula of 20% terbufos benzthiazuron bromacil.
The large granula of embodiment 26 20% terbufos benzthiazuron bromacil
Terbufos benzthiazuron 19.51%; bromacil 0.49%; dispersant polyox-yethylene-polyoxypropylene block copolymer 1%, aryl phenol APEO 2%; wetting agent fatty acid sulfates 1.5%, fatty acid amide N methyl taurine sodium salt 1.0%; binding agent PVP1%, glucose 3%, attapulgite supplies 100%.
Preparation method is: after each component fully being mixed; carry out ultra micro air-flow crushing; obtain 600 order fine powders; again gained fine powder is added in kneader appropriate water to mediate; through squash type granulator granulation; obtain the wet granular of diameter 3.0mm, dry at 55 DEG C in fluidizing fluid-bed, namely obtain the large granula of 20% terbufos benzthiazuron bromacil.
The large granula of embodiment 27 20% terbufos benzthiazuron bromacil
Terbufos benzthiazuron 0.65%, bromacil 19.35%, dispersant aryl phenol APEO 2%, maleic acid-acrylic acid copolymer salt 2%, wetting agent sodium tetradecyl sulfate 1.5%, alkylphenol polyoxyethylene succinic acid half ester sodium sulfonate 0.5%, binding agent dextrin 6%, kaolin supplies 100%.
Preparation method is: after each component fully being mixed; carry out ultra micro air-flow crushing; obtain 550 order fine powders; again gained fine powder is added in kneader appropriate water to mediate; through squash type granulator granulation; obtain the wet granular of diameter 3.0mm, dry at 50 DEG C in fluidizing fluid-bed, namely obtain the large granula of 20% terbufos benzthiazuron bromacil.
The large granula of embodiment 28 20% terbufos benzthiazuron bromacil
Terbufos benzthiazuron 19.05%, bromacil 0.95%, dispersant di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate 4.5%, ethylene oxide-propylene oxide block copolymer 1%, wetting agent Negel 2%, dialkyl group succinate sulfonate sodium 0.5%, binding agent land plaster 5%, urea supplies 100%.
Preparation method is: after each component fully being mixed; carry out ultra micro air-flow crushing; obtain 650 order fine powders; again gained fine powder is added in kneader appropriate water to mediate; through squash type granulator granulation; obtain the wet granular of diameter 3.0mm, dry at 70 DEG C in fluidizing fluid-bed, namely obtain the large granula of 20% terbufos benzthiazuron bromacil.
The large granula of embodiment 29 20% terbufos benzthiazuron bromacil
Terbufos benzthiazuron 13.33%, bromacil 6.67%, dispersant polycarboxylate sodium 0.5%, calcium lignosulfonate 4.5%, wetting agent dialkyl group succinate sulfonate sodium 0.5%, lauryl sodium sulfate 1.0%, binding agent sucrose 4%, dextrin 1%, corn starch supplies 100%.Preparation method is with embodiment 21.
The large granula of embodiment 30 20% terbufos benzthiazuron bromacil
Terbufos benzthiazuron 6.67%, bromacil 13.33%, dispersant polycarboxylate sodium 0.5%, calcium lignosulfonate 4.5%, wetting agent dialkyl group succinate sulfonate sodium 0.5%, lauryl sodium sulfate 1.0%, binding agent sucrose 4%, dextrin 1%, corn starch supplies 100%.Preparation method is with embodiment 22.
The large granula of embodiment 31 20% terbufos benzthiazuron bromacil
Terbufos benzthiazuron 18.75%, bromacil 1.25%, dispersant polycarboxylate sodium 0.5%, calcium lignosulfonate 4.5%, wetting agent dialkyl group succinate sulfonate sodium 0.5%, lauryl sodium sulfate 1.0%, binding agent sucrose 4%, dextrin 1%, corn starch supplies 100%.Preparation method is with embodiment 23.
The large granula of embodiment 32 20% terbufos benzthiazuron bromacil
Terbufos benzthiazuron 0.95%, bromacil 19.05%, dispersant polycarboxylate sodium 0.5%, calcium lignosulfonate 4.5%, wetting agent dialkyl group succinate sulfonate sodium 0.5%, lauryl sodium sulfate 1.0%, binding agent sucrose 4%, dextrin 1%, corn starch supplies 100%.Preparation method is with embodiment 24.
Properties of product are tested
Enumerate portioned product performance data and the test of pesticide effectiveness below to prove the advantage of medicine of the present invention.
One, uncultivated area makes district's control of weeds Effect disquisition
1, institute's with medicament
Experimental pharmacy: the made preparation of the embodiment of the present invention;
Contrast medicament: terbufos benzthiazuron 20%GR (commercial), bromacil 80%WG (commercial).
2, test method:
Test May in summer on noncrop area (train way limit), noncrop area (train way limit) weeds have lady's-grass, beggar-ticks, moleplant seed, grass dragon, annual bluegrass, clearvers, amur foxtail, ox chickweed, Veronica, acalypha copperleaf, eleusine indica, Horseweed Herb etc.During experiment, select 31 pieces of noncrop areas (train way limit) as test region, Mei Kuai noncrop area, test region (train way limit) carries out dispenser according to following table 1 and table 2 respectively.Application method is the consumption that calculates the large granula of embodiment needed for every block test region according to active ingredient dosage, and adopt artificial broadcast's mode to be spread in uniform in test region to carry out dispenser control, contrast medicament terbufos benzthiazuron 20%GR adopts artificial broadcast's mode to carry out dispenser control, contrast chemical weeding is determined 80%WG and is adopted cauline leaf spray pattern to carry out dispenser control (during herbal sprinkling, use water 450 kg/ha is diluted), dispenser weather on the same day is fine, the dispenser when morning 9 ~ 11, the maximum air temperature 25 DEG C, the minimum air temperature 15 DEG C.Select one piece of noncrop area (train way limit) district in contrast, check plot does not spray any medicament simultaneously.
Preventive effect computational methods:
Wherein CK
0--weeds strain number before clear water control treatment;
CK
1--7d weeds strain number after clear water control treatment;
A
0--weeds strain number before dispenser;
A
1--7d weeds strain number after dispenser;
3, result
The large granula performance of 3.1 embodiment 1-19 and efficacy testing the results are shown in following table 1.
Table 1 properties of product and efficacy testing result (strain preventive effect %, after dispenser 7 days)
As can be seen from the above table, embodiment 1,2,3,4,5,6 and 7 active constituent content is 20%, particle diameter is respectively 3.0,2.0,2.5,3.5,4.0,5.0 and 6.0mm, can be found out by above-mentioned data, during large granula particle diameter >=3.0mm, drift value is minimum, the lasting period can reach more than 2 years, during particle diameter < 3.0mm, drift value can reach more than 5%, mainly because particle weight is little, easily with wind drift, lasting period is short simultaneously, below 1.5 years, this is because particle is less, medicament release is faster; During large granula particle diameter≤3.0mm, preventive effect can reach more than 98%, during particle diameter > 3.0mm, along with particle diameter increases, preventive effect reduces gradually, especially embodiment 6 and 7, preventing effectiveness reduces obviously, and this is mainly because, unit are dosage identical in active ingredient is identical, along with the change of particle diameter is large, spread fertilizer over the fields rear grain spacing also increasing, easily produce control dead angle, cause preventive effect step-down.In sum, when large granula particle diameter is 3.0mm, product drift value, lasting period, preventive effect can reach optimal effectiveness.
In addition, embodiment 1, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18 and 19 particle diameters are 3.0mm, can be found out by above-mentioned data, when active constituent content is 20%, lasting period and preventive effect reach optimum resultant effect, when active constituent content is 15 ~ 25%, lasting period and preventive effect resultant effect take second place, when active constituent content is 5 ~ 30%, lasting period and preventive effect resultant effect are third, when active constituent content is 35 ~ 40%, lasting period and preventive effect resultant effect minimum, this is mainly because after active constituent content rising, under the condition that effective ingredient consumption is identical, the usage amount of medicament can decline relatively, corresponding intergranular spacing also can become large, easy appearance control dead angle.In sum, this large granula active constituent content is 5 ~ 40wt%, preferably 5 ~ 30wt%, more preferably 15 ~ 25wt%, most preferably 20wt%.
3.2 other embodiments large granula efficacy testing result is as shown in table 2 below.
Other embodiments of table 2 large granula control noncrop area weeds effect (strain preventive effect %, after dispenser 7 days)
As can be seen from Table 2, within the scope of the present invention, gained terbufos benzthiazuron bromacil Herbicidal combinations dosage obviously reduces than single medicament, and preventive effect remains on more than 83%, when the mass ratio of terbufos benzthiazuron and bromacil is within the scope of 0.05 ~ 15:1, gained Herbicidal combinations preventive effect remains on more than 85%, when mass ratio is within the scope of 0.5 ~ 2:1, preventive effect remains on more than 90%, mass ratio is when 1:1, gained Herbicidal combinations best results, preventive effect is more than 95%, and this illustrates that the lifting of selection to drug effect of drug ratios has a significant impact.In addition, can be found out by the contrast of embodiment 1 and 20, embodiment 21 and 29, the selection of auxiliary material also has larger impact to the lifting of drug effect.When selecting best auxiliary material and optimal drug ratio, the present composition can reach 98.7% to the preventive effect of noncrop area weeds.
Two, shrub control efficiency research in pasture
1, institute's with medicament
Experimental pharmacy: the made preparation of the embodiment of the present invention;
Contrast medicament: terbufos benzthiazuron 20%GR (commercial), bromacil 80%WG (commercial).
2, test method:
Test May in summer in pasture, shrub spinosity wood knotweed, husky honey raisin tree, wild jujube, sea-buckthorn, Caragana intermedia, salix monogolica, white thorn, sacsaoul, ceratoides latens, naked fruit tree, continuous thorn, foliated kalidium etc. in pasture.During experiment, select 13 pieces of pastures as test region, dispenser is carried out according to following table 3 respectively in Mei Kuai pasture, test region.Application method is the consumption that calculates the large granula of embodiment needed for every block test region according to active ingredient dosage, and adopt artificial broadcast's mode to be spread in uniform in test region to carry out dispenser control, contrast medicament terbufos benzthiazuron 20%GR adopts artificial broadcast's mode to carry out dispenser control, contrast chemical weeding is determined 80%WG and is adopted cauline leaf spray pattern to carry out dispenser control (during herbal sprinkling, use water 450 kg/ha is diluted), dispenser weather on the same day is fine, the dispenser when morning 9 ~ 11, the maximum air temperature 25 DEG C, the minimum air temperature 15 DEG C.Select district in contrast, one piece of pasture, check plot does not spray any medicament simultaneously.
Preventive effect computational methods:
Wherein CK
0--weeds strain number before clear water control treatment;
CK
1--7d weeds strain number after clear water control treatment;
A
0--weeds strain number before dispenser;
A
1--7d weeds strain number after dispenser;
3, result
In each group of medical treatment pasture, shrub effect is as following table 3, and during dispenser, each component drug may make annual feed grass come to harm, and the seedling of perennial grass is subject to minor injury.But provisional during this injury, the minimizing competed along with shrub and arbor, grass yield can increase usually.
Shrub effect (strain preventive effect %, after dispenser 7 days) in table 3 different agents control pasture
As can be seen from the above table, gained terbufos benzthiazuron bromacil Herbicidal combinations preventive effect remains on more than 83%, when the mass ratio of terbufos benzthiazuron and bromacil is within the scope of 0.05 ~ 15:1, gained Herbicidal combinations preventive effect remains on more than 85%, and when mass ratio is within the scope of 0.5 ~ 2:1, preventive effect remains on more than 90%, mass ratio is when 1:1, gained Herbicidal combinations best results, preventive effect is more than 95%, and this illustrates that the lifting of selection to drug effect of drug ratios has a significant impact.In addition, can be found out by the contrast of embodiment 1 and 20, embodiment 21 and 29, the selection of auxiliary material also has larger impact to the lifting of drug effect.When selecting best auxiliary material and optimal drug ratio, the present composition can reach 98.4% to the preventive effect of shrub in pasture.
As can be seen from above experiment, Herbicidal combinations of the present invention improves shrub control efficiency or noncrop area (train way limit) control of weeds effect in pasture, decreases the usage amount of medicine simultaneously, economical and practical, effectively reduce ecosystem environment to pollute, Be very effective.Said composition is made into large granula simultaneously, and the form not needing to spray carries out dispenser, time saving and energy saving; When effectively can avoid dispenser, medicine drift, pollutes surrounding environment; Reduce operating personnel's Sucked medicine in dispenser process, can intoxication accident be avoided; The rate of release of active ingredient in granule can be controlled, extend the lasting period; During dispenser, there is directionality, make the granule of spreading really can arrive the place of needs; Be not attached on the cauline leaf of plant, avoid directly contact to produce poisoning.
Claims (10)
1. a Herbicidal combinations, is characterized in that: active ingredient comprises terbufos benzthiazuron and bromacil, and the mass ratio of terbufos benzthiazuron and bromacil is 1 ~ 40: 1 ~ 40.
2. Herbicidal combinations according to claim 1, is characterized in that: the mass ratio of terbufos benzthiazuron and bromacil is 0.05 ~ 15:1, and preferred mass ratio is 0.5 ~ 2:1 further, most preferably is 1:1.
3. Herbicidal combinations according to claim 1 and 2, is characterized in that: formulation is granule, is preferably large granula.
4. Herbicidal combinations according to claim 3, is characterized in that: particle diameter is 2.0 ~ 6.0mm, preferred 3.0mm.
5. the Herbicidal combinations according to any one of claim 1-4, is characterized in that: active constituent content is 5 ~ 40wt%, preferably 5 ~ 30wt%, more preferably 15 ~ 25wt%, most preferably 20wt%.
6. Herbicidal combinations according to claim 5, is characterized in that: also comprise auxiliary material, auxiliary material composition and weight percent content as follows: dispersant 3 ~ 6%, wetting agent 1 ~ 4%, binding agent 3 ~ 6%, filler surplus.
7. Herbicidal combinations according to claim 6, is characterized in that: auxiliary material composition and weight percent content as follows: dispersant 5%, wetting agent 1.5%, binding agent 5%, filler surplus.
8. the Herbicidal combinations according to claim 6 or 7, it is characterized in that: described dispersant is di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate, 2-naphthalene sulfonic acid formaldehyde polymer sodium salt, maleic acid-acrylic acid copolymer salt, polyox-yethylene-polyoxypropylene block copolymer, naphtholsulfonic acid formaldehyde condensation products sodium salt, ethylene oxide-propylene oxide block copolymer, aryl phenol APEO, two naphthalenesulfonate formaldehyde condensation compound sodium salt, polycarboxylate sodium, alkylphenol sodium sulfonate, alkyl naphthalene sulfonic acid formaldehyde condensation products sodium salt, one or more in calcium lignosulfonate and alkylphenol polyoxyethylene formaldehyde condensation products sulphate, described wetting agent is lauryl sodium sulfate, neopelex, sodium lignin sulfonate, pull open powder, a-sulfo methyl ester, sodium tetradecyl sulfate, Negel, a-alkene sulfonic acid sodium, fatty acid amide N methyl taurine sodium salt, dialkyl group succinate sulfonate sodium, sodium sulfate of polyethenoxy ether of fatty alcohol, alkyl phenol polyethenoxy ether sodium sulfate, alkylphenol polyoxyethylene succinic acid half ester sodium sulfonate, one or more in fatty acid sulfates and fatty acid ester sulphate, described binding agent is one or more in PVP, glucose, sucrose, soluble starch, xanthans, dextrin and land plaster, described filler is one or more in kaolin, attapulgite, diatomite, bentonite, white carbon, precipitated calcium carbonate, corn starch, urea, talcum powder and anhydrous sodium sulfate.
9. Herbicidal combinations according to claim 8, is characterized in that: described dispersant by polycarboxylate sodium and calcium lignosulfonate in mass ratio 1:9 mix; Described wetting agent by dialkyl group succinate sulfonate sodium and lauryl sodium sulfate in mass ratio 1:2 mix; Described binding agent by sucrose and dextrin in mass ratio for 4:1 mixes; Described filler is corn starch.
10. the application of the Herbicidal combinations according to any one of claim 1 ~ 9 in management of weeds, is characterized in that: described Herbicidal combinations is used for uncultivated area and does district or pasture.
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Cited By (4)
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| CN106359429A (en) * | 2016-08-23 | 2017-02-01 | 西华大学 | Tebuthiuron-containing synergistic weeding composition |
| CN108124859A (en) * | 2018-01-12 | 2018-06-08 | 汝阳自强生物科技有限公司 | It can spread fertilizer over the fields rush and apply granular agricultural chemical |
| CN110810405A (en) * | 2019-12-03 | 2020-02-21 | 浙江天丰生物科学有限公司 | Rice field weeding granule suitable for flying prevention operation |
| CN112106778A (en) * | 2020-10-30 | 2020-12-22 | 山东华阳农药化工集团有限公司 | Herbicide, water dispersible granule for weeding and preparation method thereof |
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| CN103609578A (en) * | 2013-10-18 | 2014-03-05 | 广西三晶化工科技有限公司 | Herbicide composition containing buthiuron and oxyfluorfen |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106359429A (en) * | 2016-08-23 | 2017-02-01 | 西华大学 | Tebuthiuron-containing synergistic weeding composition |
| CN106359429B (en) * | 2016-08-23 | 2018-08-07 | 西华大学 | A kind of Synergistic herbicide compositions containing terbufos benzthiazuron |
| CN108124859A (en) * | 2018-01-12 | 2018-06-08 | 汝阳自强生物科技有限公司 | It can spread fertilizer over the fields rush and apply granular agricultural chemical |
| CN110810405A (en) * | 2019-12-03 | 2020-02-21 | 浙江天丰生物科学有限公司 | Rice field weeding granule suitable for flying prevention operation |
| CN112106778A (en) * | 2020-10-30 | 2020-12-22 | 山东华阳农药化工集团有限公司 | Herbicide, water dispersible granule for weeding and preparation method thereof |
| CN112106778B (en) * | 2020-10-30 | 2021-07-20 | 山东华阳农药化工集团有限公司 | Herbicide, water dispersible granule for weeding and preparation method thereof |
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| CN104770383B (en) | 2017-07-11 |
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