CN103120157B - Insecticidal suspending agent containing dinotefuran and preparation method of insecticidal suspending agent - Google Patents
Insecticidal suspending agent containing dinotefuran and preparation method of insecticidal suspending agent Download PDFInfo
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Abstract
The invention provides an insecticidal suspending agent containing dinotefuran. The suspending agent is characterized by being prepared from the following components in mass percentage: 1-30% of the dinotefuran, 0.1-35% of a second active component, 3-9% of a wet dispersant, 0.1-0.5% of a de-foaming agent, 1-6% of an anti-freezing agent, 0.1-4% of a thickening agent, 0.1-0.5% of a preservative, 0-2% of a PH (Potential of Hydrogen) adjusting agent, 0-2% of an antioxidant, 0.5-5% of a functional auxiliary agent and the balancing being water, wherein the second active component is one of bifenthrin, imidacloprid, methylamino abamectin benzoate, cyhalothrin, thiamethoxam, indoxacarb, chlorfenapyr, acetamiprid and ethiprole. According to the insecticidal suspending agent, special components are selected and the content of each component is strictly limited; and the prepared insecticidal suspending agent has the very good fast-acting property and lasting period and has the very good prevention effect on tea lesser leafhopper, aleyrodid, thrips, aphids and the like. After the functional auxiliary agent is added, the insecticidal efficacy is improved by 10-12% when being compared with a medicament which is not added with the functional auxiliary agent.
Description
Technical field
The present invention relates to a kind of composition pesticide, particularly relate to a kind of composition pesticide containing MTI-446; The invention still further relates to a kind of method preparing composition pesticide.
Background technology
The primary pest that thorn hits formula mouthpart insect aphid, aleyrodid, leafhopper are the crops leaves such as harm fruit tree, flowers, tealeaves, solanaceous vegetable, stem, flower.For a long time, it is safe etc. that the chemicals preventing and treating this class pest mainly contains buprofezin, Acetamiprid, Imidacloprid, Acker, and due to the generation of resistance, good medicament of control efficiency is through Long-Time Service for many years in the past for these, and successful is deteriorated; Along with continually developing of pesticide new variety, being born a class such as MTI-446, second worm nitrile and has had high activity, low-residual and the new drug good to person poultry safety's property.
MTI-446 (chemical name: 1-methyl-2-nitro-3-(tetrahydrochysene-3-furfuryl) guanidine; (EZ)-(RS)-1-methyl-2-nitro-3-(tetrahydrochysene-3-furfuryl) guanidine; N-methyl-N'-nitro-N''-[(tetrahydrochysene-3-furans) methyl] guanidine, its molecular formula is: C7H14N4O3) be the nicotinic insecticide of Mitsui company research and development.The chemical constitution of itself and existing nicotinic insecticide is far from each other, and its tetrahydrofuran base instead of former chloro-pyridine base, chloro-thiazole base, not containing halogen.MTI-446 have tag, strong, the quick-acting height of absorption in stomach toxicity, root, the lasting period is long, insecticidal spectrum is wide, to features such as crop, people and animals and Environmental securities, remarkable interior suction osmosis, there is excellent preventive effect to sucking insect, and namely show very high insecticidal activity at very low dosage.MTI-446 is mainly used in preventing and treating aphid in the various crop such as wheat, tealeaves, paddy rice, cotton, vegetables, fruit tree, tobacco leaf, leafhopper, plant hopper, thrips, aleyrodid and resistant strain thereof, also has higher control efficiency to coleoptera, diptera and Lepidoptera, beetle order insect simultaneously.
Suspending agent is a kind of novel environment friendly formulations of pesticide, it take water as dispersion medium, insoluble or be slightly soluble in the former medicine of the solid of water through grinding, by the effect of surfactant and other auxiliary agent, dispersed, the stable solid-liquid suspension system that form the tiny higher suspension of a kind of particle, can flow.Compared with missible oil, suspending agent is avoided using a large amount of organic solvent; Compared with wetting powder, suspending agent is when processing and use without dust drift, and more can not burn in storage and transport, safety is high; All lower to the harm of farmland and whole environment.And, its excellent performance, good dispersion, suspensibility is high, the plate-out ability of plant surface and adhesivity all stronger, resistance of rainwater washing against, in addition, this formulation is matrix with water, and aboundresources is inexpensive, and cost is low.Therefore, from safety, Environmental compatibility, and the aspect such as economic benefit, suspending agent is the wide formulation of a development prospect, becomes external especially one of topmost formulation of European and American developed countries' Agrochemicals.China starts the research and development of suspending agent at the end of the seventies in last century; enter 21 century; under the driving of the factors such as environmental protection, agricultural chemicals suspension agent obtains tremendous development; new product constantly occurs; simultaneously by studying the extensive application of agricultural chemicals suspension agent, the suspending agent having defined a whole set of maturation is at present theoretical.But, suspending agent also has many weak points: first, suspending agent is that a dynamic unstable thermodynamics consolidates-liquid dispersion, along with passage of time, the easy phase inter coagulation of solids in system or sedimentation, therefore, the long term physical stability of suspending agent can be the key affecting aqueous suspension formulations increased quality always.Secondly, in drug effect, suspending agent is compared with missible oil, its ductility on plant leaf blade and permeability are slightly short of, in suspending agent, the addition of surfactant is less simultaneously, makes agricultural chemicals surface tension in use reduce limited, thus also have impact on the performance of drug effect.
In addition, the functional aid that current most of pesticide compatibility uses is all independent packing, solvent with organic matter or water for carrier, and different pesticide species, the bucket of dissimilar preparation mixes application and also will consider chemical compatibility and physical compatibility, therefore, mix in the middle of use procedure at bucket and first will consider charging sequence, as first added dry colloidal suspending agent or dispersive granule, next adds wetting powder, again add water base property colloidal suspending agent, then add solution, finally add missible oil.Work just to keep alive to the bucket be not sure and first will do compatibility test, use procedure is complicated, brings inconvenience to operator.
Summary of the invention
The technical problem to be solved in the present invention is the deficiency for existing dinotefuran insecticide, provides a kind of ductility, permeability better insecticide, makes it to have better drug effect.
Another technical problem that the present invention will solve is to provide a kind of preparation method of MTI-446 insecticidal suspending agent.
In order to solve the problems of the technologies described above, the present invention takes following technological means:
A kind of insecticidal suspending agent containing MTI-446, it is characterized in that: described suspending agent is made up of by mass percentage following component: MTI-446 1% ~ 30%, second active constituent 0.1% ~ 35%, wetting dispersing agent 3% ~ 9%, defoamer 0.1% ~ 0.5%, antifreezing agent 1% ~ 6%, thickener 0.1% ~ 4%, preservative 0.1% ~ 0.5%, PH adjusting agent 0% ~ 2%, antioxidant 0% ~ 2%, functional aid 0.5% ~ 5%, surplus is water, described second active constituent is Biphenthrin, Imidacloprid, emamectin-benzoate, cyhalothrin, Diacloden, indoxacarb, worm mite eyeball, one in Acetamiprid or second worm nitrile.Present invention adds functional aid,
Decrease the operating procedure in Pesticide use process on the one hand, enhance the stability of suspending agent on the other hand, the more important thing is that the drug effect of suspending agent is obtained to be fully played.
The present invention is on the basis of research further, through experimental results demonstrate that the mass percent of described second active constituent is following scope, its insecticidal effect is better: Biphenthrin 1% ~ 20%, Imidacloprid 3% ~ 20%, emamectin-benzoate 0.1% ~ 10%, cyhalothrin 1% ~ 18%, Diacloden 1% ~ 30%, indoxacarb 1% ~ 20%, worm mite eyeball 0.5% ~ 30, Acetamiprid 0.1% ~ 30%, second worm nitrile 1% ~ 35%.MTI-446 and existing insecticide, without cross resistance, can be narrowed with emamectin benzoate, pyridine worm, the Multiple Pesticides mixture such as Biphenthrin, indoxacarb, Imidacloprid uses, can play control efficiency fast, again can the recovery of Control pests population number for a long time.
Functional aid of the present invention accounts for 1% ~ 3% of suspending agent gross mass, and functional aid is didecyldimethylammonium bromide, dodecyl trimethylamine bromide, the one of TTAB or binary combination.After adding a certain amount of functional aid in suspending agent of the present invention, the defect of this invention in formulation or deficiency can be made up to a great extent, namely one side can promote and strengthen the wetting and dispersing ability of wetting dispersing agent in formula, significantly improve the ductility of active ingredient on plant leaf blade and permeability, thus increase the drug effect of this suspending agent; On the other hand, the stability of this suspending agent is improved.Adding by functional aid, in suspension system, active ingredient particle surface can form stable intensive adsorption layer, thus makes suspension system keep long-time (more than 2 years) stable and cohesion or sedimentation do not occur.
Research finds, described wetting dispersing agent can be preferably lignin sulfonate, polycarboxylic acid salt, phosphoric acid ester, naphthalenesulfonate or the one or more combination by the polyoxypropylene EO-PO block copolymer under the effect of propane diols initiation initiator, polystyrene-based polyethenoxy ether class.Wherein, phosphoric acid ester wetting dispersing agent is polystyrene-based polyoxyethylene ether phosphate and first salt, triethanolamine salt or sulphate, or is EO-PO block copolymer phosphate.The best in quality of wetting dispersing agent accounts for 3% ~ 5% of suspending agent gross mass.Adding of hygroscopic water powder, effectively can stop the inter coagulation of active ingredient Ion Phase, make suspension system have good stability.
Defoamer of the present invention is silicone based ketone or is C
8-10fatty alcohol, C
10-20representative examples of saturated aliphatic carboxylic and ester class thereof or be the one in polyglycerol, ester-ether type compound or combination, wherein, C
8-10fatty alcohol refer to that carbon number is the fatty alcohol of 8 to 10, C
10-20representative examples of saturated aliphatic carboxylic and ester class refer to that carbon number is representative examples of saturated aliphatic carboxylic and the ester class thereof of 10 to 20.The content of defoamer is preferably the 0.2%-0.5% of suspending agent total amount, is preferably 0.3%-0.4%.
Antifreezing agent of the present invention can select one in propane diols, ethylene glycol, glycerine or urea or its combination, and the content of antifreezing agent is preferably 2%-5%, is preferably 3%-5%.
Described thickener is one in xanthans (XG), carboxymethyl cellulose (CMC), Sodium Polyacrylate, bentonite or Magnesiumaluminumsilicate or its combination, and the content of thickener is preferably 0.2%-2%, best 0.5%-1%.
Described preservative is one in parahydroxyben-zaldehyde, sorbic acid, benzoic acid or Sodium Benzoate or its combination, and the content of preservative is preferably 0.2%-0.45%, is preferably 0.25%-4%.
Described PH adjusting agent can be preferably one in glacial acetic acid, phosphoric acid, maleic acid or citric acid or its combination.
Described antioxidant can be preferably one in ditert-butylhydro quinone, dibutyl hydroxy toluene or butylated hydroxy anisole or its combination.
Present invention also offers the preparation method of above-mentioned insecticidal suspending agent, comprise the following steps:
(1) each component is stirred by the arbitrary described mass ratio of claim 1 to 8 and water the slurry being blended into homogeneous phase;
(2) step (1) gained slurry being continuously pumped in horizontal sand mill several times repeatedly makes the particle diameter of suspending agent reach 2 ~ 4 microns, or with vertical grinding machine sand milling 1-2 hour;
(3) one hour is stirred in a kettle. after sand milling.
This method, when adding thickener, adds before can being selected in sand milling.
The present invention adopts the method for wet-milling, simple to operate, is easy to suitability for industrialized production.The product suspending agent obtained by the method is homogeneous phase thick liquid, and measure through laser fineness gage (American-European gram), its average grain diameter is between 2-4 micron, and D90 is less than 10 microns.Get the obtained product of the method and laboratory lab scale sample to coexist at 54 DEG C heat storage 14 days, cold storage 7 days at 0 DEG C, the result of comparative trial is: the state before and after the cold storage of heat is the same and all unchanged, namely homogeneous phase thick liquid is before and after storage, without cohesion, sedimentation and bleed phenomenon, this shows that this suspending agent has good stability, can ensure the shelf life of 2 years.
The present invention selects specific component and the content of considered critical each component, and the insecticidal suspending agent of preparation has good quick-acting and lasting period, has good preventive effect to tea lesser leafhopper, aleyrodid, thrips, aphid etc.After adding a certain amount of functional aid in suspending agent of the present invention, the defect of this invention in formulation or deficiency can be made up to a great extent, namely one side can promote and strengthen the wetting and dispersing ability of wetting dispersing agent in composition, significantly improve the ductility of active ingredient on plant leaf blade and permeability, thus increase the drug effect of this suspending agent; On the other hand, the stability of this suspending agent is improved.Adding by functional aid, in suspension system, active ingredient particle surface can form stable intensive adsorption layer, thus makes suspension system keep long-time (more than 2 years) stable and cohesion or sedimentation do not occur.Field control effectiveness test shows further, and the present invention is after interpolation functional aid, and its insecticidal effect improves 10%-12% than the medicament not adding functional aid.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail.
embodiment 1: prepare 25% Biphenthrin MTI-446 suspending agent
biphenthrin: MTI-446=5:10
6 grams of polystyrene-based polyoxyethylene ether phosphate tri ethanol ammonium salts, 2 grams of tridecanol polyoxyethylene ethers, 2 grams of didecyldimethylammonium bromide, 3 grams of TTABs, 2 grams of dibutyl hydroxy toluenes, 8 grams of ethylene glycol, 0.4 gram of silicone defoaming agent, 0.4 gram of glacial acetic acid, 0.6 gram of xanthans, 0.3 gram of benzoic acid, 1.2 grams of aluminium-magnesium silicates, 143 grams of water are added in the beaker of 500 milliliters.Stirring makes surfactant in cup completely soluble in water, and then add the Biphenthrin industrial goods (Shanghai prestige is opposed biochemical Nanchang Co., Ltd and produced) of 10.4 gram 96%, the MTI-446 industrial goods (production of Jiangsu Xin Nong Chemical Co., Ltd.) of 20.7 gram 96.5%, then stirring makes wine material be evenly distributed.Sand milling 2 hours in the vertical grinding machine pouring use for laboratory into.Obtained suspension sample detects through laser fineness gage (American-European gram), records the particle diameter of sample normal temperature: D10 1.35um, D50 2.39um, D90 3.86um.Preparation normal temperature suspensibility is 96.1%.
embodiment 2: prepare 35% Imidacloprid MTI-446 suspending agent
imidacloprid: MTI-446=3:32
8 grams of alkyl or aralkyl naphthalene sulfonic acid-formaldehyde condensation product sodium salt is added in the beaker of 500 milliliters, 3 grams of polyoxyethylene nonylphenol ether, 0.5 gram of silicone defoaming agent, 9 grams of propane diols, 0.2 gram of citric acid, 0.4 gram of benzoic acid, 3 grams of dodecyl trimethylamine bromides, 0.4 gram of xanthans, 104 grams of water, stirring makes surfactant in cup completely soluble in water, and then add the Imidacloprid industrial goods (production of Jiangsu Chang Long agrochemical Co., Ltd) of 6.2 gram 96%, the MTI-446 industrial goods (Jiangsu Xin Nong Chemical Co., Ltd.) of 66.3 gram 96.5%, stirring makes wine material be evenly distributed again.Sand milling 2 hours in the vertical grinding machine pouring use for laboratory into.Obtained suspension sample detects through laser fineness gage (American-European gram), records the particle diameter of sample normal temperature: D10 1.25um, D50 2.36um, D90 3.89um.Preparation normal temperature suspensibility is 95.8%.
embodiment 3: prepare 12% emamectin-benzoate MTI-446 suspending agent
emamectin-benzoate: MTI-446=1:11
45 grams of HOES3475(phenethyl phenol polyethenoxy ether phosphate tri ethanol ammonium salts are added) in the beaker of 2000 milliliters, 10 grams of polyoxyethylene carboxylates, 10 grams of didecyldimethylammonium bromide, 3 grams of benzoic acid, 4 grams of xanthans, 50 grams of propane diols, 6 grams of butylated hydroxy anisoles, 3 grams of silicone defoaming agents, 728.7 grams of water, stirring makes surfactant in cup completely soluble in water, and then add 14.1 gram of 71% emamectin-benzoate industrial goods (Daqing Jefene Bio-chemical Co., Ltd. of Heilongjiang Province), 114 gram of 96.5% MTI-446 industrial goods (Jiangsu Xin Nong Chemical Co., Ltd.), stir again and make wine material uniformly slurry, slurry is continuously pumped in horizontal sand mill, circulation sand milling obtains sample three times, add 4 grams of xanthans more in the sample to which, stir into homogeneous phase suspending agent.Obtained suspension sample detects through laser fineness gage (American-European gram), records the particle diameter of sample normal temperature: D10 1.28um, D50 2.39um, D90 3.99um.Preparation normal temperature suspensibility is 95.7%.
embodiment 4: prepare 22% Diacloden MTI-446 suspending agent
diacloden: MTI-446=20:2
7 grams of polystyrene-based polyoxyethylene ether phosphate tri ethanol ammonium salts, 2 grams of lignosulfonates, 7 grams of propane diols, 0.4 gram of silicone defoaming agent, 0.4 gram of Sodium Benzoate, 2 grams of tetradecyltrimethylammonium bromides, 0.2 gram of xanthans, 10 grams of aluminium-magnesium silicates, 1 gram of phosphoric acid, 124.2 grams of water are added in the beaker of 500 milliliters, stirring makes surfactant in cup completely soluble in water, and then (reach the clouds pesticide chemical Co., Ltd of group in Huludao City of Liaoning Province to add the Diacloden industrial goods of 41.6 gram 96%
), the MTI-446 industrial goods of 4.2 gram 96.5%, then stirring makes wine material be evenly distributed.Sand milling 2 hours in the vertical grinding machine pouring use for laboratory into.Obtained suspension sample detects through laser fineness gage (American-European gram), records the particle diameter of sample normal temperature: D10 1.32um, D50 2.42um, D90 3.99um.Preparation normal temperature suspensibility is 96.3%.
embodiment 5: prepare 17% cyhalothrin MTI-446 suspending agent
cyhalothrin: MTI-446=3:14
35 grams of polystyrene-based polyoxyethylene ether phosphate tri ethanol ammonium salts, 10 grams of tridecanol polyoxyethylene ethers, 10 grams of dodecyl trimethylamine bromides, 10 grams of TTABs, 10 grams of dibutyl hydroxy toluenes, 40 grams of ethylene glycol, 2 grams of silicone defoaming agents, 1 gram of glacial acetic acid, 692.6 grams of water are added in the beaker of 2000 milliliters.Stirring makes surfactant in cup completely soluble in water, and then adds the cyhalothrin industrial goods (Xingtai City agricultural chemicals Co., Ltd) of 31.3 gram 96%, the MTI-446 industrial goods of 145.1 gram 96.5%, then stirring makes wine material be evenly distributed.Be continuously pumped into by slurry in horizontal sand mill, circulation sand milling obtains sample three times, then adds 3 grams of xanthans in the sample to which, and 10 grams of aluminium-magnesium silicates, stir into homogeneous phase suspending agent.Obtained suspension sample detects through laser fineness gage (American-European gram), records the particle diameter of sample normal temperature: D10 1.31um, D50 2.32um, D90 3.86um.Preparation normal temperature suspensibility is 95.9%.
embodiment 6: prepare 25% indoxacarb MTI-446 suspending agent
indoxacarb: MTI-446=5:20
40 grams of naphthalene sulfonic acid-formaldehyde condensation products, 15 grams of aralkyl phenol polyethenoxy ether condensation products, 40 grams of propane diols, 5 grams of butylated hydroxy anisoles, 5 grams of silicone defoaming agents, 4 grams of glacial acetic acid, 30 grams of dodecyl trimethylamine bromides, 618.8 grams of water are added in the beaker of 2000 milliliters.Stirring makes surfactant in cup completely soluble in water, and then adds the indoxacarb industrial goods (Huzhou Nan Xun Nong Huida Chemical Co., Ltd.) of 51.5 gram 97%, the MTI-446 industrial goods of 207.3 gram 96.5%, then stirring makes wine material be evenly distributed.Be continuously pumped into by slurry in horizontal sand mill, circulation sand milling obtains sample three times, then adds 4 grams of xanthans in the sample to which, stirs into homogeneous phase suspending agent.Obtained suspension sample detects through laser fineness gage (American-European gram), records the particle diameter of sample normal temperature: D10 1.31um, D50 2.32um, D90 3.86um.Preparation normal temperature suspensibility is 95.9%.
embodiment 7: prepare 17% Acetamiprid MTI-446 suspending agent
worm narrows in pyridine: MTI-446=5:12
6 grams of ethylene oxide-propylene oxide block copolymers, 4 grams of linear paraffin polyethenoxy ether class, 8 grams of propane diols, 0.5 gram of silicone defoaming agent, 0.35 gram of Sodium Benzoate, 4 grams of didecyldimethylammonium bromide, 0.8 gram of xanthans, 0.3 gram of phosphoric acid, 1 gram of bentonite, 142.05 grams of water are added in the beaker of 500 milliliters, stirring makes surfactant in cup completely soluble in water, and then the pyridine worm adding 10.2 gram 98% narrows industrial goods (Shandong Dongtai Agrochemical Co., Ltd), the MTI-446 industrial goods of 24.8 gram 96.5%, then stirring makes wine material be evenly distributed.Sand milling 2 hours in the vertical grinding machine pouring use for laboratory into.Obtained suspension sample detects through laser fineness gage (American-European gram), records the particle diameter of sample normal temperature: D10 1.32um, D50 2.42um, D90 3.99um.Preparation normal temperature suspensibility is 96.3%.
embodiment 8: prepare 13% second worm nitrile MTI-446 suspending agent
second worm nitrile: MTI-446=5:8
30 grams of alkylphenol polyoxyethylene formaldehyde condensation products sulphate dispersants, 20 grams of lignosulfonates, 4 grams of silicone defoaming agents, 45 grams of propane diols, 5 grams of butylated hydroxy anisoles, 3 grams of glacial acetic acids, 20 grams of didecyldimethylammonium bromide, 12 grams of dodecyl trimethylamine bromides, 10 grams of white carbons, 713.5 grams of water are added in the beaker of 2000 milliliters.Stirring makes surfactant in cup completely soluble in water, and then adds the indoxacarb industrial goods of 51.6 gram 97%, the MTI-446 industrial goods of 82.9 gram 96.5%, then stirring makes wine material be evenly distributed.Be continuously pumped into by slurry in horizontal sand mill, circulation sand milling obtains sample three times, then adds 5 grams of xanthans in the sample to which, stirs into homogeneous phase suspending agent.Obtained suspension sample detects through laser fineness gage (American-European gram), records the particle diameter of sample normal temperature: D10 1.21um, D50 2.35um, D90 3.79um.Preparation normal temperature suspensibility is 96.4%.
comparative efficacy test 1 prevents and treats the field experiment of tea lesser leafhopper
Embodiment 1,3,5 is chosen in this experiment and the obtained insecticidal suspending agent of embodiment 8 carries out effect experiment, the water of the functional aid part equal in quality in embodiment 1,3,5 and 8 is replaced, other active component, amount of auxiliary and preparation method are constant, obtain corresponding comparative sample, represent with CK1, CK3, CK5, CK8 respectively, blank's experiment (namely replacing each suspending agent with the water of same quality) represents (as shown in table 1) with CK.
Experimentation for: impose suspending agent obtained by the embodiment of the present invention 1,3,5 and 8 and corresponding comparative sample respectively at tea lesser leafhopper burst period, medicament is all directly diluted with water to 100ppm, respectively at 5 days, 10 days, 15 days investigation Revision insect recluced rate after medicine.
As can be seen from Table 1, the comparative sample that embodiment 1,3,5 is relative Yu corresponding with 8 preparations all has obvious synergistic effect, Revision insect recluced rate adds 10 to 12 percentage points, and the medicine that is containing functional aid improves the Revision insect recluced rate of 10%-12% than the medicine not containing functional aid.
Table 1: control tea lesser leafhopper field test results
| Medicament | 5 days Revision insect recluced rate % | 10 days Revision insect recluced rate % | 15 days Revision insect recluced rate % |
| 25% Biphenthrin MTI-446 SC | 81.2 | 96.5 | 92．6 |
| CK1 | 70.6 | 85.3 | 81.8 |
| 12% emamectin-benzoate MTI-446 SC | 74.2 | 88.9 | 82.6 |
| CK3 | 63.5 | 78.2 | 71.5 |
| 17% cyhalothrin MTI-446 SC | 75.3 | 89.7 | 81.0 |
| CK5 | 64.4 | 77.9 | 70.2 |
| 13% second worm nitrile MTI-446 SC | 79.8 | 92.3 | 84.4 |
| CK8 | 68.6 | 80.8 | 73.6 |
| CK(blank) | 1.2 | -6.8 | -7.9 |
comparative efficacy test 2 prevents and treats the field experiment of tomato trialeurodes vaporariorum
Embodiment 1,3,5 is chosen in this experiment and the obtained insecticidal suspending agent of embodiment 8 carries out effect experiment, the water of the functional aid part equal in quality in embodiment 1,3,5 and 8 is replaced, other active component, amount of auxiliary and preparation method are constant, obtain corresponding comparative sample, represent with CK1, CK3, CK5, CK8 respectively, blank's experiment (namely replacing each suspending agent with the water of same quality) represents (as shown in table 2) with CK.
Experimentation for: between the tomato trialeurodes vaporariorum emergence period, impose suspending agent obtained by the embodiment of the present invention 1,3,5 and 8 and corresponding comparative sample respectively, medicament is all directly diluted with water to 100ppm, respectively at 5 days, 10 days, 15 days investigation Revision insect recluced rate after medicine.
As can be seen from Table 2, the comparative sample that embodiment 1,3,5 is relative Yu corresponding with 8 preparations all has obvious synergistic effect, Revision insect recluced rate adds 10 to 12 percentage points, and the medicine that is containing functional aid improves the Revision insect recluced rate of 10%-12% than the medicine not containing functional aid.
Table 2: control tomato trialeurodes vaporariorum field test results
| Medicament | 5 days Revision insect recluced rate % | 10 days Revision insect recluced rate % | 15 days Revision insect recluced rate % |
| 25% Biphenthrin MTI-446 SC | 68.5 | 79.4 | 76.2 |
| CK1 | 58.6 | 68.9 | 65.8 |
| 12% emamectin-benzoate MTI-446 SC | 62.1 | 71.1 | 66.6 |
| CK3 | 53.5 | 60.8 | 56.5 |
| 17% cyhalothrin MTI-446 SC | 62.3 | 77.9 | 68.9 |
| CK5 | 52.2 | 56.1 | 58.5 |
| 13% second worm nitrile MTI-446 SC | 61.6 | 75.3 | 69.0 |
| CK8 | 58.6 | 64.6 | 58.6 |
| CK(blank) | 0.2 | -6.3 | -9.6 |
In addition, invention formulation all has good preventive effect to thrips, aphid etc., insecticidal range of the present invention is wide, have tag, stomach toxicity, interior suction and strong permeability feature, there are good quick-acting and lasting effect, with do not add compared with functional aid, the drug effect of invention formulation has had obvious raising.
Below be only specific embodiments more of the present invention, but protection scope of the present invention is not limited thereto, all unsubstantialities made on basis of the present invention are changed and all will be fallen within protection scope of the present invention.
Claims (2)
1. the insecticidal suspending agent containing MTI-446, it is characterized in that: described suspending agent is made up of by mass fraction following component: 6 parts of polystyrene-based polyoxyethylene ether phosphate tri ethanol ammonium salts, 2 parts of tridecanol polyoxyethylene ethers, 2 parts of didecyldimethylammonium bromide, 3 parts of TTABs, 2 parts of dibutyl hydroxy toluenes, 8 parts of ethylene glycol, 0.4 part of silicone defoaming agent, 0.4 part of glacial acetic acid, 0.6 part of xanthans, 0.3 part of benzoic acid, 1.2 parts of aluminium-magnesium silicates, 143 parts of water, the Biphenthrin industrial goods of 10.4 part 96%, the MTI-446 industrial goods of 20.7 part 96.5%, described suspension D90 particle diameter is 3.86um.
2. described in claim 1, contain the insecticidal suspending agent preparation method of MTI-446, it is characterized in that, by 6 parts of polystyrene-based polyoxyethylene ether phosphate tri ethanol ammonium salts, 2 parts of tridecanol polyoxyethylene ethers, 2 parts of didecyldimethylammonium bromide, 3 parts of TTABs, 2 parts of dibutyl hydroxy toluenes, 8 parts of ethylene glycol, 0.4 part of silicone defoaming agent, 0.4 part of glacial acetic acid, 0.6 part of xanthans, 0.3 part of benzoic acid and 1.2 parts of aluminium-magnesium silicates are dissolved in 143 parts of water completely, then the Biphenthrin industrial goods of 10.4 part 96% and the MTI-446 industrial goods of 20.7 part 96.5% are added, stir, finally to pour in vertical grinding machine sand milling into 2 hours.
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