CN106359421A - Diafenthiuron and tolfenpyrad compound suspension agent and preparation method thereof - Google Patents
Diafenthiuron and tolfenpyrad compound suspension agent and preparation method thereof Download PDFInfo
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- CN106359421A CN106359421A CN201610727102.2A CN201610727102A CN106359421A CN 106359421 A CN106359421 A CN 106359421A CN 201610727102 A CN201610727102 A CN 201610727102A CN 106359421 A CN106359421 A CN 106359421A
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- tolfenpyrad
- diafenthiuron
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/30—Derivatives containing the group >N—CO—N aryl or >N—CS—N—aryl
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
- A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
A diafenthiuron and tolfenpyrad compound suspension agent and a preparation method thereof. The invention relates to the technical field of prevention and treatment of tea lesser leafhoppers on tea trees. The compound suspension agent at least includes 15 parts of diafenthiuron, 10 parts of tolfenpyrad, 3 parts of fatty alcohol polyoxyethylene ether, 3 parts of styryl phenol polyoxyethylene ether, 0.3 parts of xanthan gum, 0.4 parts of sodium benzoate, and 0.3 parts of a defoamer, wherein deionized water is added to 100 parts in total. The raw materials are all pumped into a preparation kettle and are mixed and stirred to form a mixture. The mixture is then subjected to primary grinding through a colloid mill and is finely ground in a sand mill. Sample analysis is then carried out, and if qualified, the mixture is filtered, metered and packaged and is stored in a storeroom. In a compound suspension agent being 25 mass%, the diafenthiuron and the tolfenpyrad are blended according to the ratio of 1.5:1, and at this ratio, a significant synergistic effect range can be achieved, while compound suspension agents in other blending ratios cannot reach the significant synergistic effect.
Description
Technical field
The present invention relates to Camellia sinensis tea lesser leafhopper Prevention Technique field, it is specifically related to a kind of diafenthiuron and Tolfenpyrad is multiple
Join suspending agent and preparation method thereof.
Background technology
At present, the existing Pesticidal combination for preventing and treating Camellia sinensis tea lesser leafhopper, such as Chinese patent cn
104322516 a disclose a kind of " for preventing and treating the water dispersible granules of tea lesser leafhopper ", and effective ingredient is counted by weight: shell
Oligosaccharide 0.1-3 part, nimbin 0.1-3 part.Dispersant is selected from polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate；Wetting agent
Selected from alkyl sulfate, alkylsulfonate, naphthalene sulfonate；Disintegrating agent is selected from ammonium sulfate, carbamide, sucrose, glucose；Binding agent selects
From kieselguhr, corn starch, pva carboxymethyl (ethyl) cellulose family；Filler be selected from kieselguhr, Kaolin, white carbon, fine particle calcium carbonate,
Pulvis Talci, attapulgite, potter's clay.Chinese patent cn 105145669 a is separately had to disclose one kind " for preventing and treating tea lesser leafhopper
Powder ", be made up of the component of following weight portion: 50 parts of magnetized water, 10 parts of black ridge powdered carbon, 1.5 parts of purple sweet potato cyanidin, Fructus Capsici
1.5 parts of leaf extract, 2 parts of Herba portulacae extract, 1.5 parts of Saponin, 5 parts of Permethrin, 2 parts of phoxim, 0.5 part of rosemary ethereal oil,
0.5 part of Radix Sophorae Flavescentis total alkaloidss, 0.5 part of chitin, 0.5 part of Herb Gynostemmae Pentaphylli total glycosidess, 1 part of squalane.
Inventor verifies through long term test, and this above-mentioned several Pesticidal combination is primarily present following defect:
1), by testing to concrete proportionings several disclosed in above-mentioned several Pesticidal combinations, find little to Camellia sinensis tea
The preventing and treating of greenery Cicadae cannot play good prevention effect.
2), it is directed to several dosage forms disclosed in above-mentioned several Pesticidal combinations, find all to exist difference through verification experimental verification
The defect of problem.For example, wettable powder easily causes product to bond, and is difficult dispersion in water and suspends, or blocking shower nozzle, in spray
In day with fog, the phenomenon such as reason precipitation, causes to spray irregular.
3), compound problem, by virulence test, heat are carried out to concrete proportionings several disclosed in above-mentioned several Pesticidal combinations
Storage stability test and mixture co-toxicity coefficient measure and find, are all unable to reach obvious potentiation.
Content of the invention
An object of the present invention is to provide a kind of diafenthiuron and Tolfenpyrad to compound suspending agent, and the design of this suspending agent is closed
Reason, good to the prevention effect of Camellia sinensis tea lesser leafhopper, and can achieve the notable synergistic effect of diafenthiuron and Tolfenpyrad.
For achieving the above object, present invention employs technical scheme below:
A kind of diafenthiuron and Tolfenpyrad compound suspending agent, are made up of following components according to weight portion:
Diafenthiuron is a kind of Novel thiourea insecticidal/acaricidal agent.It is multiple field crops such as preventing and treating Cotton Gossypii, fruit tree, ornamental plant
With plant feeding habits mite class (Tetranychidae, Tarsonemidae) on vegetable, powder belong to the insects such as louse, aphid and leafhopper sky specific pesticide and
Acaricide.The diamond-back moth of Caulis et Folium Brassicae capitatae can also be prevented and treated, the insect such as pears bean noctuid on Semen sojae atricolor.To all beneficial insects (Anthocoridae, Coccinellidae,
Miridae) and adult and predatory mite, Aranea, the commonly adult of careless bell and to be in the larva in maturation period all safe, to not becoming
Ripe hemipteran non-selectivity.
Tolfenpyrad novel pyrazole heterocyclic insecticidal/acaricidal agent, its main mechanism is to stop the oxidation phosphoric acid of insecticide
Change acts on, and also has ovicidal, suppression food, oviposition deterrence and bactericidal action.This medicine insecticidal spectrum is very wide, to various bony wing meshes, Semiptera,
Beetle mesh, Hymenoptera, Diptera pest and mite class have higher prevention effect, and this medicine also has good quick-acting, once
Process, insect is at once dead.It is widely used in the Pest control of the crops such as vegetable, fruit tree, flowers, Folium Camelliae sinensis.
The diafenthiuron of the present invention and Tolfenpyrad compound suspending agent, and its advantage shows:
1), the suspending agent of present invention preparation is in suspensibility, persistent foamability, wet screening test etc. and the side such as heat storage stability
Face is significantly better than that the product prepared by other proportionings.
2), pass through experimental verification, diafenthiuron and Tolfenpyrad mixed with 1.5:1 proportioning compounded 25% when diafenthiuron
Compound suspending agent with Tolfenpyrad, notable synergistic sphere of action can be played, and the preparation that other proportioning is used with, all it is unable to reach bright
Aobvious potentiation scope.Meanwhile, the actual toxicity of different ratio is not lifted with the enhancing of theoretical toxicity, actual toxicity and
Regular change is had no between theoretical toxicity.
Another object of the present invention is to providing a kind of diafenthiuron and Tolfenpyrad to compound the preparation method of suspending agent, will be former
Material suction prepare kettle mix and blend after through grinding at the beginning of colloid mill, then through sand mill fine grinding, sample analysis, qualified after filter, metering,
Packaging, warehouse-in.
The diafenthiuron of the present invention and Tolfenpyrad compound the preparation method of suspending agent, preparation technology relatively simple it is easy to work
Industry metaplasia is produced.
Specific embodiment
Below with reference to embodiment, the present invention is described in detail.But, embodiment content is only to this
Bright example and explanation, affiliated those skilled in the art do various repairing to described specific embodiment
Change or supplement or using similar mode substitute, without departing from invention design or surmount defined in the claims
Scope, all should belong to protection scope of the present invention.
First, the preparation of diafenthiuron and the compounding suspending agent of Tolfenpyrad, and the items of the suspending agent prepared by each embodiment
The testing result of technical specification, heat storage stability result of the test.
Embodiment 1
25% diafenthiuron and Tolfenpyrad compound suspending agent, and each component and its weight proportion are as follows:
| Composition | Weight portion |
| Diafenthiuron | 15 |
| Tolfenpyrad | 10 |
| Fatty alcohol-polyoxyethylene ether | 3 |
| Styrylphenol polyoxyethylene ether | 3 |
| Xanthan gum | 0.3 |
| Sodium benzoate | 0.4 |
| Defoamer | 0.3 |
| Deionized water | 68 |
Preparation method: raw material suction is prepared through grinding at the beginning of colloid mill after kettle mix and blend, then through sand mill fine grinding, samples
Analysis, qualified rear filtration, metering, packaging, warehouse-in.
Embodiment 2
24% diafenthiuron and Tolfenpyrad compound suspending agent, and each component and its weight proportion are as follows:
| Composition | Weight portion |
| Diafenthiuron | 14 |
| Tolfenpyrad | 10 |
| Fatty alcohol-polyoxyethylene ether | 3 |
| Styrylphenol polyoxyethylene ether | 3 |
| Xanthan gum | 0.3 |
| Sodium benzoate | 0.4 |
| Defoamer | 0.3 |
| Deionized water | 69 |
Preparation method is with embodiment 1.
Embodiment 3
23% diafenthiuron and Tolfenpyrad compound suspending agent, and each component and its weight proportion are as follows:
| Composition | Weight portion |
| Diafenthiuron | 14 |
| Tolfenpyrad | 9 |
| Fatty alcohol-polyoxyethylene ether | 3 |
| Styrylphenol polyoxyethylene ether | 3 |
| Xanthan gum | 0.3 |
| Sodium benzoate | 0.4 |
| Defoamer | 0.3 |
| Deionized water | 70 |
Preparation method is with embodiment 1.
Embodiment 4
26% diafenthiuron and Tolfenpyrad compound suspending agent, and each component and its weight proportion are as follows:
| Composition | Weight portion |
| Diafenthiuron | 15 |
| Tolfenpyrad | 11 |
| Fatty alcohol-polyoxyethylene ether | 3 |
| Styrylphenol polyoxyethylene ether | 3 |
| Xanthan gum | 0.3 |
| Sodium benzoate | 0.4 |
| Defoamer | 0.3 |
| Deionized water | 67 |
Preparation method is with embodiment 1.
Embodiment 5
27% diafenthiuron and Tolfenpyrad compound suspending agent, and each component and its weight proportion are as follows:
Preparation method is with embodiment 1.
Embodiment 6
25% diafenthiuron and Tolfenpyrad compound suspending agent, and each component and its weight proportion are as follows:
| Composition | Weight portion |
| Diafenthiuron | 15 |
| Tolfenpyrad | 10 |
| The common glycoside in ground | 0.4 |
| Fatty alcohol-polyoxyethylene ether | 3 |
| Styrylphenol polyoxyethylene ether | 3 |
| Xanthan gum | 0.3 |
| Sodium benzoate | 0.4 |
| Defoamer | 0.3 |
| Deionized water | 67.6 |
Preparation method is with embodiment 1.
Diafenthiuron prepared by embodiment 1～6 and Tolfenpyrad compound suspending agent, the detection knot of product all technical
As shown in table 1, product heat storage stability result of the test is as shown in table 2 for fruit.
16 embodiments of table prepare the testing result of product all technical
26 embodiments of table prepare product heat storage stability result of the test
By table 1 and 2 as can be seen that the product of embodiment 1 and 6 preparation is in suspensibility, persistent foamability, wet screening test etc.
And the aspect such as heat storage stability is significantly better than that the product prepared by other embodiment.
2nd, toxicological information
Diafenthiuron: rat acute ld50＞ 2068mg (active compound)/kg, rat acute percutaneous ld50＞ 2000mg/kg,
Rat skin and eyes are all had no stimulation, rat acute sucks lc50(14h) it is 0.0558mg/l air, ichthyotoxin belongs to high poison
Property lc50(96h) Cyprinus carpio is 0.0038mg/kg, oral ld poisonous to Apiss50(48h) Apiss are 0.0021mg/kg.In field
Under the conditions of have no significant hazard.
Tolfenpyrad: rat oral ld50For 102 (male), 83 (female) mg/kg；Its mouse oral ld50For 104 (male), 108
(female) mg/kg.Acute dermal toxicity is relatively low, to rat, mice ld50All > 2000mg/kg.During lagophthalmos eyeball and skin are had
Etc. degree stimulation.
3rd, indoor biological activity (virulence) of diafenthiuron and the compounding suspending agent of Tolfenpyrad measures.
1 test objective
Determine diafenthiuron and Tolfenpyrad compounds the activity to Camellia sinensis tea lesser leafhopper for the suspending agent, be used for preventing for this medicament
Controlling Camellia sinensis tea lesser leafhopper provides foundation.
2 experimental conditions
2.1 selected insect source
Camellia sinensis tea lesser leafhopper, is provided by Hunan Inst. of Tea.Select body colour consistent, Camellia sinensis tea of uniform size is little
Greenery Cicadae is to be measured.
2.2 condition of culture
Test worm is placed in 24 ± 1 DEG C of temperature, illumination ∥ dark=16h//8h, raises under conditions of humidity 60-70%.
2.3 instrument and equipment
Brush pen, volumetric flask, tweezers, electronic balance, constant incubator, culture dish, graduated cylinder, filter paper, liquid-transfering gun etc..
3 EXPERIMENTAL DESIGN
3.1 reagent
3.1.1 reagent agent
Diafenthiuron active compound, Anhui Meilan Agricultural Development Co., Ltd. provides.
Tolfenpyrad active compound, Anhui Meilan Agricultural Development Co., Ltd. provides.
3.1.2 other reagent
The reagent such as acetone.
3.2 test process
3.2.1 dosage is processed
The each 1ml of suspending agent of Example 1-6 preparation, is settled to 1000ml with acetone, then is diluted to 80mg/l, 40mg/
L, 20mg/l, 10mg/l medicinal liquid is stand-by；
3.2.2 test repeats
Often process 4 repetitions, often repeat 20 test worms, and set acetone without medicament as blank.
4 test methods
The drop method recommended using ny/t 1154.1-2006: first will be numb for Camellia sinensis tea lesser leafhopper adult half with appropriate ether
Liquor-saturated, it is placed in stand-by in culture dish with brush pen selection Camellia sinensis tea lesser leafhopper of the same size.Test worm in culture dish is carried out by head
Drop is processed, and, on Camellia sinensis tea lesser leafhopper pronotary, every point drops physic liquor 1.0 μ l, by the test worm after drop for medicinal liquid drop
It is transferred to respectively and raise under insect cage normal condition.Start timing after etherization event resolves, 24h checks dead borer population.Often
Process 4 repetitions, often repeat 20 test worms, and set acetone without medicament as blank.It is to have that comparison mortality rate is less than 5%
Effect measures.
5 data surveys and statistical analysiss
5.1 computational methods
According to survey data, calculate the corrected mortality of each process.
Corrected mortality presses formula (1), and formula (2) calculates, and unit is percentage rate (%), and result of calculation retains two after arithmetic point
Position:
In formula: p1Mortality rate
K death borer population
N processes total borer population
In formula: p2Corrected mortality
ptProcess mortality rate
p0Blank mortality rate
If comparison mortality rate ＜ 5%, need not correct；Comparison mortality rate, between 5%-20%, should carry out school by formula (2)
Just；Comparison mortality rate ＞ 20%, test need to be reformed.
5.2 statistical analysiss
With the logarithm value of drug concentration (mg/l) for independent variable x, with the probit value of corrected mortality for dependent variable y, respectively
Set up virulence regression equation, be analyzed using dps software, obtain correlation coefficient r value, lc50Value.
5.3 result of the test
The diafenthiuron of embodiment 1-6 preparation and Tolfenpyrad compound the lc to Camellia sinensis tea lesser leafhopper for the suspending agent50Value is successively
For 1.3785mg/l, 2.8685mg/l, 2.7957mg/l, 2.8753mg/l, 2.9688mg/l, 1.2355mg/l.
6 conclusions
The present invention passes through appropriate design product forms and each proportioning raw materials, makes 25% diafenthiuron and the Tolfenpyrad of preparation
Than other dosage form medicaments, it is obvious that it prevents and treats Camellia sinensis tea lesser leafhopper effect to compounding suspending agent.Meanwhile, by the reality of embodiment 6
Test after data can be seen that and with the addition of the common glycoside in a small amount of ground in suspending agent, prevention effect can be made more preferably.
Claims (2)
1. a kind of diafenthiuron and Tolfenpyrad compound suspending agent it is characterised in that: be at least made up of the component of following weight portion:
2. a kind of prepare diafenthiuron as claimed in claim 1 and Tolfenpyrad compound suspending agent method it is characterised in that: will be former
Material suction prepare kettle mix and blend after through grinding at the beginning of colloid mill, then through sand mill fine grinding, sample analysis, qualified after filter, metering,
Packaging, warehouse-in.
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| CN201610727102.2A CN106359421A (en) | 2016-08-25 | 2016-08-25 | Diafenthiuron and tolfenpyrad compound suspension agent and preparation method thereof |
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| CN201610727102.2A CN106359421A (en) | 2016-08-25 | 2016-08-25 | Diafenthiuron and tolfenpyrad compound suspension agent and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111528224A (en) * | 2020-06-12 | 2020-08-14 | 山东统防生物科技有限公司 | Pesticide composition containing tolfenpyrad and diafenthiuron and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006131516A (en) * | 2004-11-04 | 2006-05-25 | Nippon Nohyaku Co Ltd | Pest control agent composition and method for use thereof |
| CN103053569A (en) * | 2012-12-28 | 2013-04-24 | 广西安泰化工有限责任公司 | Tolfenpyrad-containing insecticidal composition |
| CN103238613A (en) * | 2012-02-08 | 2013-08-14 | 陕西美邦农药有限公司 | Insecticidal composition containing tolfenpyrad |
| CN103271051A (en) * | 2013-04-27 | 2013-09-04 | 广东中迅农科股份有限公司 | Tolfenpyrad-diafenthiuron composite insecticide composition having synergism |
-
2016
- 2016-08-25 CN CN201610727102.2A patent/CN106359421A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006131516A (en) * | 2004-11-04 | 2006-05-25 | Nippon Nohyaku Co Ltd | Pest control agent composition and method for use thereof |
| CN103238613A (en) * | 2012-02-08 | 2013-08-14 | 陕西美邦农药有限公司 | Insecticidal composition containing tolfenpyrad |
| CN103053569A (en) * | 2012-12-28 | 2013-04-24 | 广西安泰化工有限责任公司 | Tolfenpyrad-containing insecticidal composition |
| CN103271051A (en) * | 2013-04-27 | 2013-09-04 | 广东中迅农科股份有限公司 | Tolfenpyrad-diafenthiuron composite insecticide composition having synergism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111528224A (en) * | 2020-06-12 | 2020-08-14 | 山东统防生物科技有限公司 | Pesticide composition containing tolfenpyrad and diafenthiuron and application thereof |
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Application publication date: 20170201 |