CN101491246A - Compound pesticide synergist and preparation method thereof - Google Patents
Compound pesticide synergist and preparation method thereof Download PDFInfo
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- CN101491246A CN101491246A CN 200910021215 CN200910021215A CN101491246A CN 101491246 A CN101491246 A CN 101491246A CN 200910021215 CN200910021215 CN 200910021215 CN 200910021215 A CN200910021215 A CN 200910021215A CN 101491246 A CN101491246 A CN 101491246A
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- tea saponin
- pesticide
- sodium sulfate
- lauryl sodium
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 22
- 239000003175 pesticide synergist Substances 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims description 20
- 239000001397 quillaja saponaria molina bark Substances 0.000 claims abstract description 71
- 229930182490 saponin Natural products 0.000 claims abstract description 71
- 150000007949 saponins Chemical class 0.000 claims abstract description 71
- 239000000575 pesticide Substances 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 239000000839 emulsion Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 claims description 38
- 230000003197 catalytic effect Effects 0.000 claims description 15
- 239000000284 extract Substances 0.000 claims description 13
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 239000012747 synergistic agent Substances 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 239000000243 solution Substances 0.000 claims description 5
- 238000009924 canning Methods 0.000 claims description 3
- 239000012047 saturated solution Substances 0.000 claims description 3
- 241001122767 Theaceae Species 0.000 abstract description 12
- 241000196324 Embryophyta Species 0.000 abstract description 6
- 238000009736 wetting Methods 0.000 abstract description 5
- 239000003814 drug Substances 0.000 abstract description 4
- 239000004094 surface-active agent Substances 0.000 abstract description 4
- 230000002195 synergetic effect Effects 0.000 abstract description 4
- 239000000080 wetting agent Substances 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 abstract description 3
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 2
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 abstract 3
- 239000004563 wettable powder Substances 0.000 abstract 2
- 238000009825 accumulation Methods 0.000 abstract 1
- 239000004495 emulsifiable concentrate Substances 0.000 abstract 1
- 230000000361 pesticidal effect Effects 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
- 239000003905 agrochemical Substances 0.000 description 19
- 239000003921 oil Substances 0.000 description 6
- 235000019198 oils Nutrition 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 239000002671 adjuvant Substances 0.000 description 5
- MCWXGJITAZMZEV-UHFFFAOYSA-N dimethoate Chemical compound CNC(=O)CSP(=S)(OC)OC MCWXGJITAZMZEV-UHFFFAOYSA-N 0.000 description 5
- 239000002917 insecticide Substances 0.000 description 5
- 229940080817 rotenone Drugs 0.000 description 5
- JUVIOZPCNVVQFO-UHFFFAOYSA-N rotenone Natural products O1C2=C3CC(C(C)=C)OC3=CC=C2C(=O)C2C1COC1=C2C=C(OC)C(OC)=C1 JUVIOZPCNVVQFO-UHFFFAOYSA-N 0.000 description 5
- 239000000843 powder Substances 0.000 description 4
- 235000014347 soups Nutrition 0.000 description 4
- 241000238631 Hexapoda Species 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 241000193388 Bacillus thuringiensis Species 0.000 description 2
- 238000003556 assay Methods 0.000 description 2
- 229940097012 bacillus thuringiensis Drugs 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 231100000225 lethality Toxicity 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 description 1
- XGWIJUOSCAQSSV-XHDPSFHLSA-N (S,S)-hexythiazox Chemical compound S([C@H]([C@@H]1C)C=2C=CC(Cl)=CC=2)C(=O)N1C(=O)NC1CCCCC1 XGWIJUOSCAQSSV-XHDPSFHLSA-N 0.000 description 1
- RMOGWMIKYWRTKW-UONOGXRCSA-N (S,S)-paclobutrazol Chemical compound C([C@@H]([C@@H](O)C(C)(C)C)N1N=CN=C1)C1=CC=C(Cl)C=C1 RMOGWMIKYWRTKW-UONOGXRCSA-N 0.000 description 1
- 241001124076 Aphididae Species 0.000 description 1
- 240000007124 Brassica oleracea Species 0.000 description 1
- 235000003899 Brassica oleracea var acephala Nutrition 0.000 description 1
- 235000011301 Brassica oleracea var capitata Nutrition 0.000 description 1
- 235000001169 Brassica oleracea var oleracea Nutrition 0.000 description 1
- 235000000173 Camellia sinensis var sinensis Nutrition 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 244000147058 Derris elliptica Species 0.000 description 1
- 239000005562 Glyphosate Substances 0.000 description 1
- 239000005661 Hexythiazox Substances 0.000 description 1
- 239000005949 Malathion Substances 0.000 description 1
- 239000005916 Methomyl Substances 0.000 description 1
- -1 Mobucin Chemical compound 0.000 description 1
- 239000005985 Paclobutrazol Substances 0.000 description 1
- 241000255969 Pieris brassicae Species 0.000 description 1
- 239000005663 Pyridaben Substances 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000853 biopesticidal effect Effects 0.000 description 1
- OIPMQULDKWSNGX-UHFFFAOYSA-N bis[[ethoxy(oxo)phosphaniumyl]oxy]alumanyloxy-ethoxy-oxophosphanium Chemical compound [Al+3].CCO[P+]([O-])=O.CCO[P+]([O-])=O.CCO[P+]([O-])=O OIPMQULDKWSNGX-UHFFFAOYSA-N 0.000 description 1
- 239000010495 camellia oil Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- ZXQYGBMAQZUVMI-UNOMPAQXSA-N cyhalothrin Chemical compound CC1(C)C(\C=C(/Cl)C(F)(F)F)C1C(=O)OC(C#N)C1=CC=CC(OC=2C=CC=CC=2)=C1 ZXQYGBMAQZUVMI-UNOMPAQXSA-N 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- JXSJBGJIGXNWCI-UHFFFAOYSA-N diethyl 2-[(dimethoxyphosphorothioyl)thio]succinate Chemical compound CCOC(=O)CC(SP(=S)(OC)OC)C(=O)OCC JXSJBGJIGXNWCI-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000857 drug effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229940097068 glyphosate Drugs 0.000 description 1
- XDDAORKBJWWYJS-UHFFFAOYSA-N glyphosate Chemical compound OC(=O)CNCP(O)(O)=O XDDAORKBJWWYJS-UHFFFAOYSA-N 0.000 description 1
- 229960000453 malathion Drugs 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- UHXUZOCRWCRNSJ-QPJJXVBHSA-N methomyl Chemical compound CNC(=O)O\N=C(/C)SC UHXUZOCRWCRNSJ-QPJJXVBHSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229960002715 nicotine Drugs 0.000 description 1
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- DWFZBUWUXWZWKD-UHFFFAOYSA-N pyridaben Chemical compound C1=CC(C(C)(C)C)=CC=C1CSC1=C(Cl)C(=O)N(C(C)(C)C)N=C1 DWFZBUWUXWZWKD-UHFFFAOYSA-N 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000375 suspending agent Substances 0.000 description 1
- DQJCHOQLCLEDLL-UHFFFAOYSA-N tricyclazole Chemical compound CC1=CC=CC2=C1N1C=NN=C1S2 DQJCHOQLCLEDLL-UHFFFAOYSA-N 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 230000001018 virulence Effects 0.000 description 1
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention provides a compound pesticide synergist which comprises tea saponin and sodium dodecyl sulfate, wherein the mass fraction of the tea saponin to the sodium dodecyl sulfate is 2: 1-10: 1. According to the compound pesticide synergist provided by the invention, the synergistic effect on the pesticide is obviously superior to the effect of tea saponin as a single surfactant after the tea saponin and the sodium dodecyl sulfate are compounded; the wettable powder can improve the wetting performance and the suspension rate (more than 75%) of wettable powder when being used as a pesticide wetting agent, and can improve the effective accumulation of a medicament on a target when being added into a liquid water pesticide for use, so that the adhesive force of a liquid medicine on the surface of organisms or plants is increased; the synergist and spreader of the emulsifiable concentrate pesticide can improve the physical and chemical properties of the pesticide, so that the pesticide forms a stable emulsion, the pesticide effect can be improved, and the pesticide dosage can be reduced.
Description
Technical field
The invention belongs to a kind of insecticides adjuvant technical field, relate to a kind of compound pesticide synergist and preparation method thereof, particularly a kind of Tea Saponin (Tea Saponin) that utilizes is the compound pesticide synergist of primary raw material.
Background technology
Tea Saponin claims tea saponin or tea saponin again, is to extract from the dregs of fat after the oil expression of plant of theaceae seed.Tea Saponin is a kind of natural nonionic surface active agent of function admirable, have good emulsifying, dispersion, foaming, function such as moistening, therefore Tea Saponin can be directly as insecticides adjuvant, in the solid type agricultural chemicals as wetting agent and suspending agent, in missible oil type agricultural chemicals as synergist and spreader-sticker; Tea Saponin also has good biologically active simultaneously, itself also is a kind of good biopesticide, has certain desinsection and bactericidal action; Tea Saponin has nontoxic, characteristics such as can degrade automatically in addition, so Tea Saponin is the environmental protection type agricultural chemical auxiliary agent that a kind of utmost point has potentiality to be exploited.
China's plant of theaceae aboundresources, oil tea is wherein the best woody oil tree species, and distribution is all arranged on the south the Qinling Mountains.According to statistics, national oil tea area surpasses 4,000,000 hectares, and the gross area accounts for more than 60% of various woody oleiferous plants plants, produces 450000 tons of tea seeds per year, and nearly more than 30 ten thousand tons of the dregs of fat of tea seed oil expression back output are mainly used in the extraction Tea Saponin.Though be Tea Saponin big producing country, the application technology level of China's Tea Saponin is also very backward at present, and availability is very low, and most of Tea Saponin is all purchased at a low price by overseas enterprise.
In view of the huge application potential of Tea Saponin, and having the situation that availability is low, realization value is not high of rich in natural resources Tea Saponin in China, exploitation Tea Saponin, the availability that improves Tea Saponin and added value are important, the urgent contents that China oil tea is cultivated and processes.
Though the patented technology of utilizing Tea Saponin to make agricultural chemicals has been arranged, has solved the technical problem that improves the Tea Saponin added value to a certain extent.But Tea Saponin is as a kind of natural nonionic surface active agent of function admirable, it is not only to realize that as insecticides adjuvant its medicinal sterilization is worth, and make degradable efficiently insecticides adjuvant, can reduce the consumption of agricultural chemicals, improve and make substance environment, be worth for realizing that environmentally friendly, green agriculture can be brought into play better.And at present Tea Saponin is simply remarkable not enough as the synergistic effect of single insecticides adjuvant, and it is a lot of inconvenient to exist when Tea Saponin is directly with mixed pesticide simultaneously.
Summary of the invention
The problem that the present invention solves is to utilize Tea Saponin that a kind of compound pesticide synergist and preparation method thereof is provided, and this compound pesticide synergist can significantly improve pesticide efficacy, reduce the agricultural chemicals usage amount, and the preparation method is succinct, easy to use.
The present invention is achieved through the following technical solutions:
A kind of compound pesticide synergist comprises Tea Saponin and lauryl sodium sulfate, in the mass fraction Tea Saponin: lauryl sodium sulfate=2: 1～10: 1.
Described compound pesticide synergist comprises mass fraction than the Tea Saponin that is 10%～30%, mass fraction than the lauryl sodium sulfate that is 3%～5%.
Preparation method based on the compound pesticide synergist of Tea Saponin extract:
At first, the Tea Saponin mass content that adds 1 volume in reactor is at the Tea Saponin extract more than 35%, and 10～15 rev/mins were stirred 5～10 minutes;
Secondly, add the lauryl sodium sulfate emulsion of 0.3～0.6 volume, 60～80 rev/mins were stirred 10～30 minutes; The preparation of described lauryl sodium sulfate emulsion: 1g powdery lauryl sodium sulfate adds 10ml water;
Then, add the catalytic liquid of 0.05 volume, 80～100 rev/mins of stirrings stop after 10～40 minutes stirring canning sealing; Described catalytic liquid preparation: the mass fraction that adds 0.1 volume in the carbonic hydroammonium saturated solution of 1 volume is 1% sodium hydroxide solution; Catalytic liquid prepared stand-by in preceding 10 minutes at the preparation pesticide synergistic agent.
Compared with prior art, beneficial technical effects of the present invention:
Compound pesticide synergist provided by the invention after composite Tea Saponin and lauryl sodium sulfate, obviously is better than the effect of Tea Saponin as single surfactant to the synergistic effect of agricultural chemicals; The present invention can improve the wet performance and the suspensibility (＞75%) of wetting powder as the agricultural chemicals wetting agent, joins in the liquid aqueous pesticide and uses, and can improve medicament effectively long-pending amount on target, and soup is increased at the adhesive force of biology or plant surface; As the physicochemical property that the synergy and the spreader-sticker of missible oil type agricultural chemicals can improve agricultural chemicals, make agricultural chemicals form stable emulsion, not only drug effect can be improved, and pesticide dosage can be reduced.
The compound pesticide synergist of the present invention's preparation can be used for the wetting agent of agricultural chemicals such as paclobutrazol, Mobucin, aliette, tricyclazole; Be used with desinsection list, malathion, Methomyl, cyhalothrin, hexythiazox, pyridaben, nicotine, Rogor, rotenone, glyphosate etc., can improve adhesive force and the hygroscopicity of medicine on plant, improve the penetration of soup.
In addition, behind the adding compound pesticide synergist, compare, can reduce pesticide dosage with pesticide dosage with equal virulence.Bt (Bacillus Thuringiensis, bacillus thuringiensis) wetting powder consumption reduces more than 30%, and the rotenone consumption reduces more than 38%; The Rogor consumption reduces more than 53%.So, add this synergist and can reduce residue of pesticide, improve the control efficiency of agricultural chemicals, on producing, have fabulous application prospect.
Embodiment
Below in conjunction with specific embodiment the present invention is elaborated, described embodiment is explanation of the invention rather than qualification.
A kind of compound pesticide synergist, comprise Tea Saponin and lauryl sodium sulfate, in the mass fraction Tea Saponin: lauryl sodium sulfate=2: 1～10: 1, described compound pesticide synergist comprises mass fraction than the Tea Saponin that is 10%～30%, mass fraction than the lauryl sodium sulfate that is 3%～5%.
Compound pesticide synergist based on the Tea Saponin extract prepares by the following method:
Prepare required raw material:
Tea Saponin: commercially available, Tea Saponin content is at the brown Tea Saponin extract more than 35%; Lauryl sodium sulfate: powdery, commercially available, molecular weight 288.38; Carbonic hydroammonium: commercially available, general agrochemical; Sodium hydroxide: commercially available, general industry product, purity about 96%.
The preparation of lauryl sodium sulfate emulsion: 1g powdery lauryl sodium sulfate adds 10ml water; The catalytic liquid preparation: the mass fraction that adds 0.1 volume in the carbonic hydroammonium saturated solution of 1 volume is 1% sodium hydroxide solution; Catalytic liquid prepared stand-by in preceding 10 minutes at the preparation pesticide synergistic agent.
At first, the Tea Saponin mass content that adds 1 volume in reactor is at the Tea Saponin extract more than 35%, and 10～15 rev/mins were stirred 5～10 minutes;
Secondly, add the lauryl sodium sulfate emulsion (as anionic surfactant) of 0.3～0.6 volume, 60～80 rev/mins were stirred 10～30 minutes;
Then, add the catalytic liquid of 0.05 volume, 80～100 rev/mins of stirrings stop after 10～40 minutes stirring canning sealing.
Embodiment 1: in the variable reactor of speed of agitator, add earlier 50 mass per liter content and be after 35% the Tea Saponin extract, 10 rev/mins were stirred 5 minutes, and then add 15 liters lauryl sodium sulfate emulsion (100g/L), fully stirred 10 minutes down at 60 rev/mins, and then add 2.5 liters catalytic liquid, fully stirred 20 minutes down at 80 rev/mins.Stop to stir, treat that agitator stops after,, sealing canned with plastic container.
Gained join the type pesticide synergistic agent, in the mass fraction Tea Saponin: lauryl sodium sulfate=2.8: 1 comprises mass fraction than the Tea Saponin that is 10.0%, mass fraction than the lauryl sodium sulfate that is 3.5%.
Embodiment 2: in the variable reactor of speed of agitator, add earlier 80 mass per liter content and be after 35% the Tea Saponin extract, 10 rev/mins were stirred 5 minutes, and then add 10 liters lauryl sodium sulfate emulsion (100g/L), fully stirred 10 minutes down at 60 rev/mins, and then add 2.5 liters catalytic liquid, fully stirred 20 minutes down at 80 rev/mins.Stop to stir, treat that agitator stops after,, sealing canned with plastic container.
Gained join the type pesticide synergistic agent, in the mass fraction Tea Saponin: lauryl sodium sulfate=8: 1 comprises mass fraction than the Tea Saponin that is 24.8%, mass fraction than the lauryl sodium sulfate that is 3.2%.
Embodiment 3: in the variable reactor of speed of agitator, add 100 mass per liter content and be after 38% the Tea Saponin extract, 12 rev/mins were stirred 8 minutes, and then add 30 liters lauryl sodium sulfate emulsion (100g/L), fully stirred 20 minutes down at 70 rev/mins, and then add 5 liters catalytic liquid, fully stirred 20 minutes down at 90 rev/mins.Stop to stir, treat that agitator stops after,, sealing canned with plastic container.
Gained join the type pesticide synergistic agent, in the mass fraction Tea Saponin: lauryl sodium sulfate=4: 1 comprises mass fraction than the Tea Saponin that is 16.0%, mass fraction than the lauryl sodium sulfate that is 4.1%.
Embodiment 4: in the variable reactor of speed of agitator, add 150 mass per liter content and be after 38% the Tea Saponin extract, 12 rev/mins were stirred 8 minutes, and then add 20 liters lauryl sodium sulfate emulsion (100g/L), fully stirred 20 minutes down at 70 rev/mins, and then add 5 liters catalytic liquid, fully stirred 20 minutes down at 90 rev/mins.Stop to stir, treat that agitator stops after,, sealing canned with plastic container.
Gained join the type pesticide synergistic agent, in the mass fraction Tea Saponin: lauryl sodium sulfate=6: 1 comprises mass fraction than the Tea Saponin that is 18.2%, mass fraction than the lauryl sodium sulfate that is 3.1%.
Embodiment 5: in the variable reactor of speed of agitator, add 500 mass per liter content and be after 36% the Tea Saponin extract, 15 rev/mins were stirred 10 minutes, and then add 80 liters lauryl sodium sulfate emulsion, fully stirred 30 minutes down at 80 rev/mins, and then add 25 liters catalytic liquid, fully stirred 40 minutes down at 100 rev/mins.Stop to stir, treat that agitator stops after,, sealing canned with plastic container.
Gained join the type pesticide synergistic agent, in the mass fraction Tea Saponin: lauryl sodium sulfate=4: 1 comprises mass fraction than the Tea Saponin that is 20%, mass fraction than the lauryl sodium sulfate that is 5%.
Embodiment 6: in the variable reactor of speed of agitator, add 600 mass per liter content and be after 36% the Tea Saponin extract, 15 rev/mins were stirred 10 minutes, and then add 150 liters lauryl sodium sulfate emulsion, fully stirred 30 minutes down at 80 rev/mins, and then add 25 liters catalytic liquid, be not less than 100 rev/mins at rotating speed and fully stirred 40 minutes down.Stop to stir, treat that agitator stops after,, sealing canned with plastic container.
Gained join the type pesticide synergistic agent, in the mass fraction Tea Saponin: lauryl sodium sulfate=7: 1 comprises mass fraction than the Tea Saponin that is 28.4%, mass fraction than the lauryl sodium sulfate that is 5.0%.
The synergism test result of the compound pesticide synergist of the present invention's preparation:
Assay method 1: adopt the Potter spray-on process
Place the cabbage leaves dish of a slice diameter 4cm in the culture dish of preserving moisture of diameter 7.5cm, every ware connects 10 of test insects, every ware spray 2ml dose (each 1ml of leave dual sides) on the Potter spray tower, and sedimentation 30s covers gauze then, covers the culture dish lid again.Check the death condition of examination worm under the room temperature behind the 24h, calculate lethality.Every processing repeats 3 times.This method is applied to the detection of wetting powders such as Bt and rotenone (containing the crystallization of effective composition 98%).The test insect is a cabbage caterpillar.
Assay method 2: employing is soaked leaf and is connect the worm method
The fresh vegetable leaf of big or small basically identical is soaked 10s in each soup to be measured, after taking-up is removed unnecessary soup with the filter paper suction, place the circular glass pipe of 2.5 * 8cm, every pipe 1～2 leaf connects 20 of worms, and the mouth of pipe clogs with cotton-wool and is placed in the greenhouse.Check the death condition of examination worm behind the 24h, calculate lethality.Every processing repeats 3 times.This method is adapted to creamy agricultural chemicals such as Rogor.The tested object insect is the 3-4 aphid in age.
The preparation of test agricultural chemicals: Bt is mixed with 3000 times of liquid; Commercially available rotenone (98% crystallization) is mixed with the solution of 10mg/L; 40% Rogor is made into the emulsion of 40mg/L.3 kinds of agricultural chemicals all are divided into two parts, and portion is directly tested in contrast.Test behind a adding Compositional type Tea Saponin pesticide synergistic agent, addition is 2000mg/L.
Test result is as shown in table 1, and presentation of results Compositional type Tea Saponin provided by the invention pesticide synergistic agent has increased the killing rate of agricultural chemicals greatly.
Table 1 synergist is to the synergistic effect measurement result of 3 kinds of main agricultural chemicals
| Pesticide name | The killing rate (%) that does not add synergist | Killing rate (%) behind the adding synergist | Coefficient of synergism |
| The Bt wetting powder | 32.5 | 70.7 | 1.175 |
| Rogor | 34.5 | 86.3 | 1.501 |
| Rotenone | 31.8 | 73.5 | 1.311 |
Claims (4)
1, a kind of compound pesticide synergist is characterized in that, comprises Tea Saponin and lauryl sodium sulfate, in the mass fraction Tea Saponin: lauryl sodium sulfate=2: 1～10: 1.
2, compound pesticide synergist as claimed in claim 1 is characterized in that, comprises mass fraction than the Tea Saponin that is 10%～30%, mass fraction than the lauryl sodium sulfate that is 3%～5%.
3, a kind of preparation method of the compound pesticide synergist based on the Tea Saponin extract is characterized in that these method concrete steps comprise:
At first, the Tea Saponin mass content that adds 1 volume in reactor is at the Tea Saponin extract more than 35%, and 10～15 rev/mins were stirred 5～10 minutes;
Secondly, add the lauryl sodium sulfate emulsion of 0.3～0.6 volume, 60～80 rev/mins were stirred 10～30 minutes; The preparation of described lauryl sodium sulfate emulsion: 1g powdery lauryl sodium sulfate adds 10ml water;
Then, add the catalytic liquid of 0.05 volume, 80～100 rev/mins of stirrings stop after 10～40 minutes stirring canning sealing; Described catalytic liquid preparation: the mass fraction that adds 0.1 volume in the carbonic hydroammonium saturated solution of 1 volume is 1% sodium hydroxide solution.
4, the preparation method of compound pesticide synergist as claimed in claim 3 is characterized in that, catalytic liquid prepared stand-by in preceding 10 minutes at the preparation pesticide synergistic agent.
Priority Applications (1)
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| CN 200910021215 CN101491246B (en) | 2009-02-20 | 2009-02-20 | Compound pesticide synergist and preparation method thereof |
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| CN 200910021215 CN101491246B (en) | 2009-02-20 | 2009-02-20 | Compound pesticide synergist and preparation method thereof |
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| CN101491246A true CN101491246A (en) | 2009-07-29 |
| CN101491246B CN101491246B (en) | 2013-01-23 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102239839A (en) * | 2011-05-06 | 2011-11-16 | 广东新大地生物科技股份有限公司 | Tea saporin amitraz water dispersible granule as well as preparation method and application thereof |
| CN101743968B (en) * | 2009-12-29 | 2012-10-31 | 华南农业大学 | Mixed insecticide of tea saponin and organophosphate insecticide |
| CN107793211A (en) * | 2016-08-31 | 2018-03-13 | 南宁汉和生物科技股份有限公司 | A kind of green synergist for fertilizer agricultural chemicals and preparation method thereof |
| CN107873700A (en) * | 2018-02-12 | 2018-04-06 | 南京拓际生物科技有限公司 | Thickening type diquat dibromide synergist and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1167344C (en) * | 2002-04-23 | 2004-09-22 | 陈庚元 | Pesticide Bibaichong emulsion and its production process |
-
2009
- 2009-02-20 CN CN 200910021215 patent/CN101491246B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101743968B (en) * | 2009-12-29 | 2012-10-31 | 华南农业大学 | Mixed insecticide of tea saponin and organophosphate insecticide |
| CN102239839A (en) * | 2011-05-06 | 2011-11-16 | 广东新大地生物科技股份有限公司 | Tea saporin amitraz water dispersible granule as well as preparation method and application thereof |
| CN107793211A (en) * | 2016-08-31 | 2018-03-13 | 南宁汉和生物科技股份有限公司 | A kind of green synergist for fertilizer agricultural chemicals and preparation method thereof |
| CN107873700A (en) * | 2018-02-12 | 2018-04-06 | 南京拓际生物科技有限公司 | Thickening type diquat dibromide synergist and preparation method thereof |
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| CN101491246B (en) | 2013-01-23 |
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