CN103583555A - Emulsion in water of theta-cypermethrin and thiodicarb and application thereof - Google Patents
Emulsion in water of theta-cypermethrin and thiodicarb and application thereof Download PDFInfo
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- CN103583555A CN103583555A CN201310591966.2A CN201310591966A CN103583555A CN 103583555 A CN103583555 A CN 103583555A CN 201310591966 A CN201310591966 A CN 201310591966A CN 103583555 A CN103583555 A CN 103583555A
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- thiodicarb
- cypermethrin
- beta
- aqueous emulsion
- theta
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Abstract
The invention belongs to the technical field of pesticide compounding, in particular to an emulsion in water of theta-cypermethrin and thiodicarb and application thereof. Effective components of the composition are theta-cypermethrin and thiodicarb, wherein the weight ratio of the theta-cypermethrin to the thiodicarb is 1: 5-1: 20. The compounded composition effectively resists the problem of resistance generation of injurious insects, and relieves the present problem of drug resistance of the injurious insects to the greatest extent, so that the dosage of pesticide is reduced, the influence to the environment is relieved, and the environmental protecting trend of the future society is accorded with; the composition of the invention obtains the optimal plant protecting effect.
Description
Technical field
The invention belongs to the composite technical field of agricultural chemical insecticide, be specially aqueous emulsion and the application of a kind of beta-cypermethrin and thiodicarb.
Background technology
beta-cypermethrin
English name: theta-cypermethrin
Molecular formula: C
22h
19c
i2nO
3
Chemical name: (S) a-cyano group-3-phenoxy benzyl (1R, 3S)-3-(2,2-dichloro dialkylene)-2,2-dimethyl cyclopropane carboxylic acid ester and (R)-a-cyano group-3-phenoxy benzyl (1S, 3R)-3-(2,2-dichloroethylene)-2,2-dimethyl cyclopropane carboxylic acid ester
Chemical classes: pyrethroid
Physicochemical property: outward appearance is white or light yellow crystalline powder, without visible exogenous impurity.1.219g/m during 25 ℃ of proportions
3; Fusing point 78-81 ℃; Vapour pressure (20 ℃) 2.3 * (10 negative 7) Pa; Under normal temperature, in water, solvability is extremely low, dissolves in ketone, alcohols and aromatic hydrocarbon solvent.
Effect feature: theta-cypermethrin is to belong to third generation pyrethroid insecticides, be mainly used in the control of the domestic hygiene insects such as the agriculture and forestry injurious insects such as field crop, economic crops, vegetables, fruit tree and vegetables, mosquito class bedbug and have that virus killing is efficient, wide spectrum, to people and animals' low toxicity, effect rapidly, the feature such as holding effect is long, have and tag and stomach toxicity, ovicidal, insect is had to the effects such as antifeedant activity, but all there is no systemic action.Resistance of rainwater washing against, has special efficacy to the insect that organophosphorous pesticide has reached resistance especially.Due to use for years, in addition with the cross resistance problem of organic phosphates, carbamates, make insect generally to such medicament, produce very strong pesticide resistance, preventive effect is not equal to before.
thiodicarb
English common name thiodicarb
Molecular formula: C
10h
18n
40
4s
3
Agricultural chemicals classification: insecticide
CA registration number: 59669-26-0
Chemical name: 3,7,9,13 tetramethyls-5-11 dioxa-2,8,14-, tri-thia-4,7,9,12-, tetra-azepine pentadecane-3,12-diene-6-10-diketone
Thiodicarb is mainly stomach poison function, almost there is no action of contace poison, without stifling and systemic action, has stronger selectivity, and in soil, the longevity of residure is very short.But its action effect is also very single, after large-scale application, resistance risk is also very high.
Summary of the invention
The object of the present invention is to provide a kind of aqueous emulsion and application thereof that has beta-cypermethrin and thiodicarb, said composition active ingredient is beta-cypermethrin and thiodicarb, wherein the weight ratio of beta-cypermethrin and thiodicarb is, beta-cypermethrin: thiodicarb=1:5-1:20, this compounded combination has effectively resisted the problem that pest resistance produces, farthest alleviated the problem of current pest resistance to insecticide, thereby reduced the consumption of agricultural chemicals, also alleviated the impact for environment, the trend that meets future society environmental protection, composition of the present invention is received best crop protection effect.
Technical scheme of the present invention is:
An aqueous emulsion for beta-cypermethrin and thiodicarb, active ingredient is beta-cypermethrin and thiodicarb, wherein the weight ratio of beta-cypermethrin and thiodicarb is, beta-cypermethrin: thiodicarb=1:5-1:20.
As preferably, the weight ratio of beta-cypermethrin and thiodicarb is, beta-cypermethrin: thiodicarb=1:10-1:15.
The aqueous emulsion of beta-cypermethrin of the present invention and thiodicarb, it consists of following component by weight percentage:
Beta-cypermethrin 1-5%,
Thiodicarb 10-75%,
Solvent 15-25%,
Defoamer 1-4%,
Emulsifier 7-10%,
Thickener 1-4%,
Antifreezing agent 4-8%,
Surplus is water.
As preferably, the total weight percentage of described active ingredient is 20～60%.
The aqueous emulsion of beta-cypermethrin of the present invention and thiodicarb, it consists of following component by weight percentage:
Beta-cypermethrin 1-5%,
Thiodicarb 10-45%,
Solvent 15-20%,
Defoamer 1-2%,
Emulsifier 8-10%,
Thickener 3-4%,
Antifreezing agent 5-7%,
Surplus is water.
Further preferably,
The aqueous emulsion of beta-cypermethrin of the present invention and thiodicarb, it consists of following component by weight percentage:
Beta-cypermethrin 3%,
Thiodicarb 45%,
Solvent 20%,
Defoamer 2%,
Emulsifier 8%,
Thickener 3%,
Antifreezing agent 5%,
Surplus is water.
Described solvent is a kind of in mineral oil, butyl ether, toluene, ethyl acetate, cyclohexanone, dimethyl formamide, acetone or vegetable oil.
Described defoamer is selected from: a kind of in higher alcohols, silicone oil, silicone compound.
Described emulsifier is nonionic or anionic.Wherein, the emulsifier of nonionic is as phenethyl phenol polyethenoxy polyethenoxy ether, alkylphenol polyoxyethylene, alkylphenol polyoxyethylene formaldehyde condensation products, fatty alcohol-polyoxyethylene ether, phenethyl phenol polyethenoxy ether phosphate or alkylphenol polyoxyethylene phosphate; The emulsifier of anionic is as alkyl benzene calcium sulfonate, sodium alkyl benzene sulfonate or C8-C20 sodium alkyl sulfate.Concrete example is as serial in agriculture breast 500#, 600# is serial, 1600# is serial, NP is serial, 700# is serial, 400# is serial, and these are all emulsifier productions well known in the art, and market is on sale.
Described thickener is selected from: a kind of in Magnesiumaluminumsilicate, cyanethyl cellulose, polyvinyl alcohol.
Described antifreezing agent is selected from: a kind of in ethylene glycol, glycerine.
The aqueous emulsion of beta-cypermethrin of the present invention and thiodicarb, for preventing and treating lepidoptera pest and having ovicidal action, is particularly useful for preventing and treating peach fruit borer.
Beneficial effect of the present invention is:
Said composition is complex insecticidal composition, compare with single product, the feature with binary Pesticidal combination, strengthened significantly insecticidal effect, delay the generation of pest resistance to insecticide, especially thrips is had to special efficacy, and expanded effective active control spectrum, there is speed fast, lasting period is long, consumption is low, eco-friendly feature, the more important thing is, this compounded combination has effectively resisted the problem that pest resistance produces, farthest alleviated the problem of current pest resistance to insecticide, thereby reduced the consumption of agricultural chemicals, also alleviated the impact for environment, the trend that meets future society environmental protection.The control efficiency of composition of the present invention is especially good to control peach fruit borer, is mainly by the result of the synergistic function between each component.
Composition of the present invention is received best crop protection effect.
To the compound synergic research of composition of the present invention, test adopts peach fruit borer.
By method of least squares, calculate virulence equation and lethal concentration of 50 LC50, according to the abundant method of Sun Yun, calculate the toxicity index of medicament and mixed co-toxicity coefficient (CTC value).
The toxicity test result of the different proportion relations of table 1 to peach fruit borer
| Process | LC50（PPM） | Co-toxicity coefficient |
| Beta-cypermethrin 1: thiodicarb 5 | 0.867 | 535.3 |
| Beta-cypermethrin 1: thiodicarb 10 | 0.744 | 741.1 |
| Beta-cypermethrin 1: thiodicarb 15 | 0.65 | 820.4 |
| Beta-cypermethrin 1: thiodicarb 20 | 0.730 | 610.5 |
| Beta-cypermethrin | 21.02 | ? |
| Thiodicarb | 0.59 | ? |
As can be seen from Table 1, beta-cypermethrin and thiodicarb composite, has very high synergistic effect, especially beta-cypermethrin: during thiodicarb=1:10-1:15, synergistic effect is more obvious.
Embodiment
Below by specific embodiment, technical scheme of the present invention is described in detail.
embodiment 1
48% aqueous emulsion: the composition of beta-cypermethrin and thiodicarb
Beta-cypermethrin 3%,
Thiodicarb 45%,
Mineral oil 20%,
Silicone oil 2%,
400#8%，
Magnesiumaluminumsilicate 3%,
Glycerine 5%,
Surplus is water.
Preparation method is the conventional method of this area.
This embodiment medicament is applied to prevent and treat peach fruit borer:
Co-toxicity coefficient is: 830.5;
By 6000 times of thin up sprayings, after medicine, 7 days control efficiency are that 99.1%, 3% 500 times of beta-cypermethrin suspending agent dilutions and 45% thiodicarb missible oil dilute 3000 times, with same method, use respectively, after medicine 7 days, control efficiency was respectively 77.5% and 70.7%, significant difference.
embodiment 2
21% aqueous emulsion: the composition of beta-cypermethrin and thiodicarb
Beta-cypermethrin 1%,
Thiodicarb 20%,
Toluene 17%,
Silicone compound 1%,
Alkyl benzene calcium sulfonate 9%,
Polyvinyl alcohol 1%,
Ethylene glycol 4%,
Surplus is water.
Preparation method is the conventional method of this area.
This embodiment medicament is applied to prevent and treat striped rice borer:
Co-toxicity coefficient is: 650.3;
By 6000 times of thin up sprayings, after medicine, 7 days control efficiency are that 96.60%, 1% 400 times of beta-cypermethrin suspending agent dilutions and 20% thiodicarb missible oil dilute 2000 times, with same method, use respectively, after medicine 7 days, control efficiency was respectively 79.1% and 68.8%, significant difference.
embodiment 3
55% aqueous emulsion: the composition of beta-cypermethrin and thiodicarb
Beta-cypermethrin 5%,
Thiodicarb 50%,
Butyl ether 19%,
Higher alcohols 4%,
Phenethyl phenol polyethenoxy polyethenoxy ether 10%,
Cyanethyl cellulose 2%,
Glycerine 6%,
Surplus is water.
Preparation method is the conventional method of this area.
This embodiment medicament is applied to prevent and treat paddy stem borer:
Co-toxicity coefficient is: 790.1;
By 6000 times of thin up sprayings, after medicine, 7 days control efficiency are that 97.5%, 5% 500 times of beta-cypermethrin suspending agent dilutions and 50% thiodicarb missible oil dilute 3000 times, with same method, use respectively, after medicine 7 days, control efficiency was respectively 73.5% and 68.7%, significant difference.
Claims (8)
1. an aqueous emulsion for beta-cypermethrin and thiodicarb, active ingredient is beta-cypermethrin and thiodicarb, wherein the weight ratio of beta-cypermethrin and thiodicarb is, beta-cypermethrin: thiodicarb=1:5-1:20.
2. the aqueous emulsion of beta-cypermethrin according to claim 1 and thiodicarb, is characterized in that, the weight ratio of beta-cypermethrin and thiodicarb is, beta-cypermethrin: thiodicarb=1:10-1:15.
3. the aqueous emulsion of beta-cypermethrin according to claim 1 and 2 and thiodicarb, is characterized in that, it consists of following component by weight percentage:
Beta-cypermethrin 1-5%,
Thiodicarb 10-75%,
Solvent 15-25%,
Defoamer 1-4%,
Emulsifier 7-10%,
Thickener 1-4%,
Antifreezing agent 4-8%,
Surplus is water.
4. the aqueous emulsion of beta-cypermethrin according to claim 1 and 2 and thiodicarb, is characterized in that, the total weight percentage of described active ingredient is 20～60%.
5. the aqueous emulsion of beta-cypermethrin according to claim 4 and thiodicarb, is characterized in that, it consists of following component by weight percentage:
Beta-cypermethrin 1-5%,
Thiodicarb 10-45%,
Solvent 15-20%,
Defoamer 1-2%,
Emulsifier 8-10%,
Thickener 3-4%,
Antifreezing agent 5-7%,
Surplus is water.
6. the aqueous emulsion of beta-cypermethrin according to claim 5 and thiodicarb, is characterized in that, it consists of following component by weight percentage:
Beta-cypermethrin 3%,
Thiodicarb 45%,
Solvent 20%,
Defoamer 2%,
Emulsifier 8%,
Thickener 3%,
Antifreezing agent 5%,
Surplus is water.
7. according to the beta-cypermethrin described in the arbitrary claim of claim 1-6 and the aqueous emulsion of thiodicarb, for preventing and treating lepidoptera pest and having ovicidal action.
8. the aqueous emulsion of beta-cypermethrin according to claim 7 and thiodicarb, for preventing and treating peach fruit borer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310591966.2A CN103583555A (en) | 2013-11-22 | 2013-11-22 | Emulsion in water of theta-cypermethrin and thiodicarb and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310591966.2A CN103583555A (en) | 2013-11-22 | 2013-11-22 | Emulsion in water of theta-cypermethrin and thiodicarb and application thereof |
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|---|---|
| CN103583555A true CN103583555A (en) | 2014-02-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI711378B (en) * | 2015-03-31 | 2020-12-01 | 香港商龍燈農業化工國際有限公司 | A synergistic insecticidal composition |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1148934A (en) * | 1995-10-24 | 1997-05-07 | 化工部农药剂型工程技术中心 | Series of compositions of emulsive insecticide agent |
| GR1003446B (en) * | 1998-07-07 | 2000-10-05 | Novartis Ag | Pesticidal composition comprising emamectin |
-
2013
- 2013-11-22 CN CN201310591966.2A patent/CN103583555A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1148934A (en) * | 1995-10-24 | 1997-05-07 | 化工部农药剂型工程技术中心 | Series of compositions of emulsive insecticide agent |
| GR1003446B (en) * | 1998-07-07 | 2000-10-05 | Novartis Ag | Pesticidal composition comprising emamectin |
Non-Patent Citations (2)
| Title |
|---|
| 于欣等: "19种杀虫剂对桃小食心虫卵的毒力测定", 《山东农业科学》 * |
| 徐文华等: "江苏沿海地区防治甜菜夜蛾的药剂筛选试验", 《江西棉花》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI711378B (en) * | 2015-03-31 | 2020-12-01 | 香港商龍燈農業化工國際有限公司 | A synergistic insecticidal composition |
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Application publication date: 20140219 |