CN103651555B - Emulsion in water containing isazofos and applications thereof - Google Patents
Emulsion in water containing isazofos and applications thereof Download PDFInfo
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- CN103651555B CN103651555B CN201310658883.0A CN201310658883A CN103651555B CN 103651555 B CN103651555 B CN 103651555B CN 201310658883 A CN201310658883 A CN 201310658883A CN 103651555 B CN103651555 B CN 103651555B
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- isazofos
- cypermethrin
- beta
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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 technical field that agricultural chemical insecticide is composite, be specially a kind of aqueous emulsion and the application that contain isazofos.
Background technology
Isazofos
[No. CAS] 42509-80-8
[relative molecular weight or atomic weight] 313.7
[density] 1.23 (20 DEG C)
[boiling point (DEG C)] 120 DEG C (32Pa)
[vapour pressure (Pa)] 7.45mPa (20 DEG C)
Sterling is yellow liquid
[dissolving situation]
In 20 DEG C 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.Can processing soil treatment agent be made, also can carry out seed treatment or foliage-spray.
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's esters
Chemical classes: pyrethroid
Physicochemical property: outward appearance is white or light yellow crystalline powder, without visible exogenous impurity.1.219g/m during proportion 25 DEG C
3; Fusing point 78-81 DEG C; Vapour pressure (20 DEG C) 2.3 × (10 negative 7) Pa; Under normal temperature, in water, solvability is extremely low, dissolves in ketone, alcohols and aromatic hydrocarbon solvent.
Action character: theta-cypermethrin belongs to third generation pyrethroid insecticides, be mainly used in the control of the agriculture and forestry injurious insects such as field crop, economic crops, vegetables, fruit tree and the domestic hygiene insect such as 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 produce very strong pesticide resistance to such medicament, 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 containing 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 alleviate the problem of current pest resistance to insecticide, thus decrease the consumption of agricultural chemicals, also the impact for environment is alleviated, meet the trend of future society environmental protection, composition of the present invention receives best crop protection effect.
Technical scheme of the present invention is:
An aqueous emulsion containing isazofos, active ingredient is beta-cypermethrin and isazofos, and 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.
Aqueous emulsion containing isazofos of the present invention, it consists of following component by weight percentage:
Isazofos 10-50%,
Beta-cypermethrin 1-50%,
Methylated soya oil 10-15%,
Polysiloxanes 2-5%,
Triphen ethyl phenol polyoxyethylene ether phosphate 5-15%,
Kaolin 1-3%,
Ethylene glycol 3-10%,
Surplus is water.
As preferably,
Aqueous emulsion containing isazofos of the present invention, it consists of following component by weight percentage:
Isazofos 20-30%,
Beta-cypermethrin 5-20%,
Methylated soya oil 10-15%,
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,
Aqueous emulsion containing isazofos of the present invention, it consists of following component by weight percentage:
Isazofos 20%,
Beta-cypermethrin 20%,
Methylated soya oil 10%,
Polysiloxanes 3%,
Triphen ethyl phenol polyoxyethylene ether phosphate 10%,
Kaolin 1%,
Ethylene glycol 3%,
Surplus is water.
Aqueous emulsion containing isazofos of the present invention, it consists of following component by weight percentage:
Isazofos 20%,
Beta-cypermethrin 4%,
Methylated soya oil 15%,
Polysiloxanes 4%,
Triphen ethyl phenol polyoxyethylene ether phosphate 5%,
Kaolin 3%,
Ethylene glycol 7%,
Surplus is water.
Aqueous emulsion containing isazofos of the present invention, it consists of following component by weight percentage:
Isazofos 30%,
Beta-cypermethrin 15%,
Methylated soya oil 13%,
Polysiloxanes 5%,
Triphen ethyl phenol polyoxyethylene ether phosphate 15%,
Kaolin 2%,
Ethylene glycol 10%,
Surplus is water.
Aqueous emulsion containing isazofos of the present invention, resemble for preventing and treating chinch bug, Japanese beetle, nematode, be particularly useful for preventing and treating Japanese beetle.
Beneficial effect of the present invention is:
Said composition is complex insecticidal composition, compared with single product, there is the feature of binary Pesticidal combination, significantly enhance insecticidal effect, delay the generation of pest resistance to insecticide, especially special efficacy is had to Japanese beetle, and expand 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 alleviate the problem of current pest resistance to insecticide, thus decrease the consumption of agricultural chemicals, also the impact for environment is alleviated, meet the trend of future society environmental protection, composition of the present invention receives best crop protection effect.
Study the compound synergic of composition of the present invention, test adopts the Japanese beetle in field.
Toxicity index and the mixed co-toxicity coefficient (CTC value) of medicament is calculated according to the abundant method of Sun Yun.
Table 1 different ratio relation is to the toxicity test result of 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%,
Methylated soya oil 10%,
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 control 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% beta-cypermethrin suspending agent dilutes 2000 times and 20% isazofos missible oil dilutes 2000 times, use with same method 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%,
Methylated soya oil 15%,
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 control 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% beta-cypermethrin suspending agent dilutes 200 times and 20% isazofos missible oil dilutes 2000 times, use with same method 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%,
Methylated soya oil 13%,
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 control 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% beta-cypermethrin suspending agent dilutes 1000 times and 30% isazofos missible oil dilutes 2000 times, use with same method respectively, after medicine 7 days, control efficiency was respectively 73.8% and 76.1%, significant difference.
Claims (9)
1. the aqueous emulsion containing isazofos, active ingredient is beta-cypermethrin and isazofos, and wherein the weight ratio of beta-cypermethrin and isazofos is, isazofos: beta-cypermethrin=5:1-1:5.
2. the aqueous emulsion containing isazofos according to claim 1, it is characterized in that, the weight ratio of beta-cypermethrin and isazofos is, isazofos: beta-cypermethrin=5:1-1:1.
3. the aqueous emulsion containing 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%,
Methylated soya oil 10-15%,
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 containing isazofos according to claim 3, is characterized in that,
It consists of following component by weight percentage:
Isazofos 20-30%,
Beta-cypermethrin 5-20%,
Methylated soya oil 10-15%,
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 arbitrary claim of claim 1-4 containing the aqueous emulsion of isazofos, it is characterized in that, the total weight percentage of described active ingredient is 40 ~ 50%.
6. the aqueous emulsion containing isazofos according to claim 5, is characterized in that,
It consists of following component by weight percentage:
Isazofos 20%,
Beta-cypermethrin 20%,
Methylated soya oil 10%,
Polysiloxanes 3%,
Triphen ethyl phenol polyoxyethylene ether phosphate 10%,
Kaolin 1%,
Ethylene glycol 3%,
Surplus is water.
7. the aqueous emulsion containing isazofos according to claim 5, it is characterized in that, it consists of following component by weight percentage:
Isazofos 30%,
Beta-cypermethrin 15%,
Methylated soya oil 13%,
Polysiloxanes 5%,
Triphen ethyl phenol polyoxyethylene ether phosphate 15%,
Kaolin 2%,
Ethylene glycol 10%,
Surplus is water.
8. the aqueous emulsion containing isazofos according to claim 1 resemble for preventing and treating chinch bug, Japanese beetle, nematode.
9. the aqueous emulsion containing isazofos according to claim 8 is 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 CN103651555A (en) | 2014-03-26 |
| CN103651555B true 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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|---|---|
| CN103651555A (en) | 2014-03-26 |
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