CN103651555A - Emulsion in water containing isazofos and applications thereof - Google Patents
Emulsion in water containing isazofos and applications thereof Download PDFInfo
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- CN103651555A CN103651555A CN201310658883.0A CN201310658883A CN103651555A CN 103651555 A CN103651555 A CN 103651555A CN 201310658883 A CN201310658883 A CN 201310658883A CN 103651555 A CN103651555 A CN 103651555A
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- isazofos
- cypermethrin
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Abstract
The invention belongs to the technical field of pesticide compounding, and specifically relates to an emulsion in water containing isazofos and applications thereof. The effective components in the emulsion in water are high-efficient trans-cypermethrin and isazofos, wherein the weight ratio of isazofos to high-efficient trans-cypermethrin is in a range of 5:1 to 1:5. The compounding composition effectively solves the problem of generation of drug resistance of insects, maximally relieves the problem of drug resistance of insects, thus reduces the using amount of pesticide, reduces the pollution to the environment, is accord with the trends of green and environment-friendliness in the future society, and obtains an optimum crop protection effect.
Description
Technical field
The invention belongs to the composite technical field of agricultural chemical insecticide, be specially a kind of aqueous emulsion that contains isazofos and application.
Background technology
Isazofos
[No. CAS] 42509-80-8
[relative molecular weight or atomic weight] 313.7
[density] 1.23 (20 ℃)
[boiling point (℃)] 120 ℃ (32Pa)
[vapour pressure (Pa)] 7.45mPa (20 ℃)
Sterling is yellow liquid
[dissolving situation]
In 20 ℃ of water, solvability is 168mg/L.Molten dry benzene, chloroform, hexane and methyl alcohol
Organophosphorus insecticide and nematocide, have tag, stomach toxicity and systemic action.Processing soil treatment agent can be made, also seed treatment or foliage-spray can be carried out.
But its action effect is also very single, after large-scale application, resistance risk is also very high.
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.
Summary of the invention
The object of the present invention is to provide a kind of aqueous emulsion that contains isazofos, said composition active ingredient is beta-cypermethrin and isazofos, wherein the weight ratio of beta-cypermethrin and isazofos is, isazofos: beta-cypermethrin=5:1-1:5, 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 that contains isazofos, active ingredient is beta-cypermethrin and isazofos, wherein the weight ratio of beta-cypermethrin and isazofos is, isazofos: beta-cypermethrin=5:1-1:5.
As preferably, the weight ratio of beta-cypermethrin and isazofos is, isazofos: beta-cypermethrin=5:1-1:1.
The aqueous emulsion that contains isazofos of the present invention, it consists of following component by weight percentage:
Isazofos 10-50%,
Beta-cypermethrin 1-50%,
The soybean oil 10-15% that methylates,
Polysiloxanes 2-5%,
Triphen ethyl phenol polyoxyethylene ether phosphate 5-15%,
Kaolin 1-3%,
Ethylene glycol 3-10%,
Surplus is water.
As preferably,
The aqueous emulsion that contains isazofos of the present invention, it consists of following component by weight percentage:
Isazofos 20-30%,
Beta-cypermethrin 5-20%,
The soybean oil 10-15% that methylates,
Polysiloxanes 2-5%,
Triphen ethyl phenol polyoxyethylene ether phosphate 5-15%,
Kaolin 1-3%,
Ethylene glycol 3-10%,
Surplus is water.
Wherein, the total weight percentage of described active ingredient is 40～50%.
Further preferably,
The aqueous emulsion that contains isazofos of the present invention, it consists of following component by weight percentage:
Isazofos 20%,
Beta-cypermethrin 20%,
The soybean oil 10% that methylates,
Polysiloxanes 3%,
Triphen ethyl phenol polyoxyethylene ether phosphate 10%,
Kaolin 1%,
Ethylene glycol 3%,
Surplus is water.
The aqueous emulsion that contains isazofos of the present invention, it consists of following component by weight percentage:
Isazofos 20%,
Beta-cypermethrin 4%,
The soybean oil 15% that methylates,
Polysiloxanes 4%,
Triphen ethyl phenol polyoxyethylene ether phosphate 5%,
Kaolin 3%,
Ethylene glycol 7%,
Surplus is water.
The aqueous emulsion that contains isazofos of the present invention, it consists of following component by weight percentage:
Isazofos 30%,
Beta-cypermethrin 15%,
The soybean oil 13% that methylates,
Polysiloxanes 5%,
Triphen ethyl phenol polyoxyethylene ether phosphate 15%,
Kaolin 2%,
Ethylene glycol 10%,
Surplus is water.
The aqueous emulsion that contains isazofos of the present invention, resembles for preventing and treating chinch bug, Japanese beetle, nematode, is particularly useful for preventing and treating Japanese beetle.
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 Japanese beetle 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, composition of the present invention is received best crop protection effect.
To the compound synergic research of composition of the present invention, test adopts the Japanese beetle in field.
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 Japanese beetle
| Process | Co-toxicity coefficient |
| Isazofos 5: beta-cypermethrin 1 | 209.5 |
| Isazofos 2: beta-cypermethrin 1 | 213.2 |
| Isazofos 1: beta-cypermethrin 1 | 232.5 |
| Isazofos 1: beta-cypermethrin 2 | 184.5 |
| Isazofos 1: beta-cypermethrin 5 | 169.7 |
| Beta-cypermethrin | ? |
| Isazofos | ? |
As can be seen from Table 1, beta-cypermethrin and isazofos composite, has very high synergistic effect, especially isazofos: during beta-cypermethrin=5:1-1:1, synergistic effect is more obvious.
Embodiment
Below by specific embodiment, technical scheme of the present invention is described in detail.
Embodiment 1
40% aqueous emulsion: the composition of beta-cypermethrin and isazofos
Isazofos 20%,
Beta-cypermethrin 20%,
The soybean oil 10% that methylates,
Polysiloxanes 3%,
Triphen ethyl phenol polyoxyethylene ether phosphate 10%,
Kaolin 1%,
Ethylene glycol 3%,
Surplus is water.
Preparation method is the conventional method of this area.
This embodiment medicament is applied to prevent and treat Japanese beetle:
Co-toxicity coefficient is: 233.6;
By 4000 times of thin up sprayings, after medicine, 7 days control efficiency are that 99.4%, 20% 2000 times of beta-cypermethrin suspending agent dilutions and 20% isazofos missible oil dilute 2000 times, with same method, use respectively, after medicine 7 days, control efficiency was respectively 70.1% and 68.7%, significant difference.
Embodiment 2
24% aqueous emulsion: the composition of beta-cypermethrin and isazofos
Isazofos 20%,
Beta-cypermethrin 4%,
The soybean oil 15% that methylates,
Polysiloxanes 4%,
Triphen ethyl phenol polyoxyethylene ether phosphate 5%,
Kaolin 3%,
Ethylene glycol 7%,
Surplus is water.
Preparation method is the conventional method of this area.
This embodiment medicament is applied to prevent and treat chinch bug and resembles:
Co-toxicity coefficient is: 214.9;
By 3000 times of thin up sprayings, after medicine, 7 days control efficiency are that 97.1%, 4% 200 times of beta-cypermethrin suspending agent dilutions and 20% isazofos missible oil dilute 2000 times, with same method, use respectively, after medicine 7 days, control efficiency was respectively 69.1% and 70.5%, significant difference.
Embodiment 3
45% aqueous emulsion: the composition of beta-cypermethrin and isazofos
Isazofos 30%,
Beta-cypermethrin 15%,
The soybean oil 13% that methylates,
Polysiloxanes 5%,
Triphen ethyl phenol polyoxyethylene ether phosphate 15%,
Kaolin 2%,
Ethylene glycol 10%,
Surplus is water.
Preparation method is the conventional method of this area.
This embodiment medicament is applied to prevent and treat nematode:
Co-toxicity coefficient is: 210.4;
By 5000 times of thin up sprayings, after medicine, 7 days control efficiency are that 98.8%, 15% 1000 times of beta-cypermethrin suspending agent dilutions and 30% isazofos missible oil dilute 2000 times, with same method, use respectively, after medicine 7 days, control efficiency was respectively 73.8% and 76.1%, significant difference.
Claims (9)
1. an aqueous emulsion that contains isazofos, active ingredient is beta-cypermethrin and isazofos, wherein the weight ratio of beta-cypermethrin and isazofos is, isazofos: beta-cypermethrin=5:1-1:5.
2. the aqueous emulsion that contains isazofos according to claim 1, is characterized in that, the weight ratio of beta-cypermethrin and isazofos is, isazofos: beta-cypermethrin=5:1-1:1.
3. the aqueous emulsion that contains isazofos according to claim 1 and 2, is characterized in that,
It consists of following component by weight percentage:
Isazofos 10-50%,
Beta-cypermethrin 1-50%,
The soybean oil 10-15% that methylates,
Polysiloxanes 2-5%,
Triphen ethyl phenol polyoxyethylene ether phosphate 5-15%,
Kaolin 1-3%,
Ethylene glycol 3-10%,
Surplus is water.
4. the aqueous emulsion that contains isazofos according to claim 3, is characterized in that,
It consists of following component by weight percentage:
Isazofos 20-30%,
Beta-cypermethrin 5-20%,
The soybean oil 10-15% that methylates,
Polysiloxanes 2-5%,
Triphen ethyl phenol polyoxyethylene ether phosphate 5-15%,
Kaolin 1-3%,
Ethylene glycol 3-10%,
Surplus is water.
5. according to the aqueous emulsion that contains isazofos described in the arbitrary claim of claim 1-4, it is characterized in that, the total weight percentage of described active ingredient is 40～50%.
6. the aqueous emulsion that contains isazofos according to claim 5, is characterized in that,
It consists of following component by weight percentage:
Isazofos 20%,
Beta-cypermethrin 20%,
The soybean oil 10% that methylates,
Polysiloxanes 3%,
Triphen ethyl phenol polyoxyethylene ether phosphate 10%,
Kaolin 1%,
Ethylene glycol 3%,
Surplus is water.
7. the aqueous emulsion that contains isazofos according to claim 5, is characterized in that, it consists of following component by weight percentage:
Isazofos 20%,
Beta-cypermethrin 4%,
The soybean oil 15% that methylates,
Polysiloxanes 4%,
Triphen ethyl phenol polyoxyethylene ether phosphate 5%,
Kaolin 3%,
Ethylene glycol 7%,
Surplus is water.
8. the aqueous emulsion that contains isazofos according to claim 5, is characterized in that, it consists of following component by weight percentage:
Isazofos 30%,
Beta-cypermethrin 15%,
The soybean oil 13% that methylates,
Polysiloxanes 5%,
Triphen ethyl phenol polyoxyethylene ether phosphate 15%,
Kaolin 2%,
Ethylene glycol 10%,
Surplus is water.
9. the aqueous emulsion that contains isazofos according to claim 1, resembles for preventing and treating chinch bug, Japanese beetle, nematode, is particularly useful for preventing and treating Japanese beetle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310658883.0A CN103651555B (en) | 2013-12-06 | 2013-12-06 | Emulsion in water containing isazofos and applications thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310658883.0A CN103651555B (en) | 2013-12-06 | 2013-12-06 | Emulsion in water containing isazofos and applications thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103651555A true CN103651555A (en) | 2014-03-26 |
| CN103651555B CN103651555B (en) | 2015-04-29 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999025187A2 (en) * | 1997-11-14 | 1999-05-27 | Novartis Ag | Pesticidal compositions of emamectin |
| CN1820604A (en) * | 2006-03-23 | 2006-08-23 | 浙江新安化工集团股份有限公司 | Pest killing composition |
| EP1925204A1 (en) * | 2006-11-23 | 2008-05-28 | Syngeta Participations AG | Plant propagation material treatment nematicides |
| CN101384174A (en) * | 2005-12-22 | 2009-03-11 | Fmc有限公司 | Insecticidal and miticidal mixtures of bifenthrin and cyano-pyrethroids |
| CN103053594A (en) * | 2011-10-18 | 2013-04-24 | 南京华洲药业有限公司 | Synergistic insecticidal composition containing tolfenpyrad and theta-cypermethrin and its application |
-
2013
- 2013-12-06 CN CN201310658883.0A patent/CN103651555B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999025187A2 (en) * | 1997-11-14 | 1999-05-27 | Novartis Ag | Pesticidal compositions of emamectin |
| CN101384174A (en) * | 2005-12-22 | 2009-03-11 | Fmc有限公司 | Insecticidal and miticidal mixtures of bifenthrin and cyano-pyrethroids |
| CN1820604A (en) * | 2006-03-23 | 2006-08-23 | 浙江新安化工集团股份有限公司 | Pest killing composition |
| EP1925204A1 (en) * | 2006-11-23 | 2008-05-28 | Syngeta Participations AG | Plant propagation material treatment nematicides |
| CN103053594A (en) * | 2011-10-18 | 2013-04-24 | 南京华洲药业有限公司 | Synergistic insecticidal composition containing tolfenpyrad and theta-cypermethrin and its application |
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| CN103651555B (en) | 2015-04-29 |
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