CN103688988A - Fenitrothion containing missible oil and application thereof - Google Patents
Fenitrothion containing missible oil and application thereof Download PDFInfo
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- CN103688988A CN103688988A CN201310655899.6A CN201310655899A CN103688988A CN 103688988 A CN103688988 A CN 103688988A CN 201310655899 A CN201310655899 A CN 201310655899A CN 103688988 A CN103688988 A CN 103688988A
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- sumithion
- cypermethrin
- beta
- missible oil
- fenitrothion
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Abstract
The invention belongs to the technical field of pesticide compounding, and particularly relates to fenitrothion containing missible oil and an application thereof. The effective components of the fenitrothion containing missible oil are theta-cypermethrin and fenitrothion, wherein the weight ratio of the fenitrothion to the theta-cypermethrin is 1:1-20: 1. The fenitrothion containing missible oil has a particular effect on prevention and treatment of pink rice borer through the synergistic effect of the components.
Description
Technical field
The invention belongs to the composite technical field of agricultural chemical insecticide, be specially a kind of missible oil that contains sumithion and application.
Background technology
Sumithion
Belong to organophosphorus insecticide.Toxicity is medium, and to people and animals' low toxicity, rat acute LD50 of passing through mouth is 400～800 mg/kg, and rat acute is 1200 mg/kg through skin LD50.Sumithion tool is tagged and stomach poison function, and without interior suction and fumigation action, the longevity of residure is medium, and insecticidal spectrum is wide, and lepidopterous larvae is had to special efficacy, also can prevent and treat the insects such as Semiptera, coleoptera.This medicament is stable to light, meets the easy decomposition failure of high temperature, in alkaline medium, is hydrolyzed, and iron, tin, aluminium, copper etc. can cause that this medicine decomposes, and can store the long period in vial.
[density] 1.3227 stability are met basic hydrolysiss, and the half life period in 30 ℃, 0.01mol sodium hydroxide is 272min, and distillation can cause isomerization.
[fusing point] 0.3 ℃ of boiling point: 140～145 ℃/13.3Pa dissolubility water insoluble (14mg/L), but dissolve in most of organic solvents.In aliphatic hydrocarbon, solvability is low.
[vapour pressure] 0.80mPa(20 ℃).
[risk markings] 14(Poison), 34(flammable liquid).
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 missible oil that contains sumithion and application, active ingredient is beta-cypermethrin and sumithion, wherein the weight ratio of beta-cypermethrin and sumithion is, sumithion: beta-cypermethrin=1:1-20:1, especially good to control paddy rice pink rice borer, be mainly by the result of the synergistic function between each component.
Technical scheme of the present invention is:
A missible oil that contains sumithion, active ingredient is beta-cypermethrin and sumithion, wherein the weight ratio of beta-cypermethrin and sumithion is, sumithion: beta-cypermethrin=1:1-20:1.
As preferably, the weight ratio of beta-cypermethrin and sumithion is, sumithion: beta-cypermethrin=5:1-10:1.
The missible oil of beta-cypermethrin of the present invention and sumithion, it consists of following component by weight percentage:
Sumithion 5-80%,
Beta-cypermethrin 5-20%,
Ethoxylated alkyl phosphate 5-10%
Ethylene glycol 1-5%
Rosin Ethyl 4-10%.
As preferably, the missible oil of beta-cypermethrin of the present invention and sumithion, it consists of following component by weight percentage:
Sumithion 30-80%,
Beta-cypermethrin 5-20%,
Ethoxylated alkyl phosphate 5-10%
Ethylene glycol 1-5%
Rosin Ethyl 4-10%.
As further preferred, the missible oil of beta-cypermethrin of the present invention and sumithion, it consists of following component by weight percentage:
Sumithion 40-80%,
Beta-cypermethrin 10-15%,
Ethoxylated alkyl phosphate 5-10%
Ethylene glycol 1-5%
Rosin Ethyl 4-10%.
Wherein, the total weight percentage of described active ingredient is 70～90%.
The missible oil of beta-cypermethrin of the present invention and sumithion, for preventing and treating paddy rice pink rice borer, striped rice borer, paddy stem borer, leaf-roller, is particularly useful for preventing and treating paddy rice pink rice borer.
Beneficial effect of the present invention is:
Said composition is compounded cream composition, compare with single product, the feature with binary composition, strengthened significantly effect, delay the generation of pest resistance to insecticide, and expanded effective active control spectrum, and thering is speed fast, the 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, met the trend of future society environmental protection.The control efficiency of composition of the present invention is especially good to control paddy rice pink rice borer, is mainly by the result of the synergistic function between each component.
To the compound synergic research of composition of the present invention, test adopts paddy rice pink rice borer for test.
Concrete grammar is: 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 paddy rice pink rice borer
| Process | Co-toxicity coefficient |
| Beta-cypermethrin 1: sumithion 1 | 192.2 |
| Beta-cypermethrin 1: sumithion 5 | 273.3 |
| Beta-cypermethrin 1: sumithion 10 | 242.7 |
| Beta-cypermethrin 1: sumithion 15 | 233.1 |
| Beta-cypermethrin 1: sumithion 20 | 180.6 |
| Beta-cypermethrin | ? |
| Sumithion | ? |
As can be seen from Table 1, beta-cypermethrin and sumithion composite, has very high synergistic effect, especially sumithion: during beta-cypermethrin=5:1-10:1, synergistic effect is more obvious, and especially detailed to the effect of paddy rice pink rice borer.
Embodiment
Below by specific embodiment, technical scheme of the present invention is described in detail.
Embodiment 1
The composition of 90% beta-cypermethrin and sumithion
Sumithion 80%,
Beta-cypermethrin 10%,
Ethoxylated alkyl phosphate 5%
Ethylene glycol 2%
Rosin Ethyl 8%.
Preparation method is the conventional method of this area.
This embodiment medicament is applied to prevent and treat paddy rice pink rice borer:
Co-toxicity coefficient is: 253.6;
By 6000 times of thin up sprayings, after medicine, 7 days control efficiency are that 99.6%, 10% 600 times of beta-cypermethrin suspending agent dilutions and 80% sumithion cream dilute 4000 times, with same method, use respectively, after medicine 7 days, control efficiency was respectively 80.1% and 71.7%, significant difference.
Embodiment 2
The composition of 90% beta-cypermethrin and sumithion
Beta-cypermethrin 15%,
Sumithion 75%,
Ethoxylated alkyl phosphate 10%
Ethylene glycol 3%
Rosin Ethyl 7%.
Preparation method is the conventional method of this area.
This embodiment medicament is applied to prevent and treat two-spotted spider mite:
Co-toxicity coefficient is: 269.7;
By 6000 times of thin up sprayings, after medicine, 7 days control efficiency are that 98.8%, 15% 600 times of beta-cypermethrin suspending agent dilutions and 75% sumithion cream dilute 4000 times, with same method, use respectively, after medicine 7 days, control efficiency was respectively 71.7% and 64.2%, significant difference.
Embodiment 3
The composition of 77% beta-cypermethrin and sumithion
Beta-cypermethrin 7%,
Sumithion 70%,
Ethoxylated alkyl phosphate 10%
Ethylene glycol 5%
Rosin Ethyl 8%.
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: 231.4;
By 6000 times of thin up sprayings, after medicine, 7 days control efficiency are that 98.1%, 7% 300 times of beta-cypermethrin suspending agent dilutions and 70% sumithion cream dilute 4000 times, with same method, use respectively, after medicine 7 days, control efficiency was respectively 71.1% and 69.4%, significant difference.
Claims (8)
1. a missible oil that contains sumithion, active ingredient is beta-cypermethrin and sumithion, wherein the weight ratio of beta-cypermethrin and sumithion is, sumithion: beta-cypermethrin=1:1-20:1.
2. the missible oil that contains sumithion according to claim 1, is characterized in that, the weight ratio of beta-cypermethrin and sumithion is, sumithion: beta-cypermethrin=5:1-10:1.
3. the missible oil that contains sumithion according to claim 1 and 2, is characterized in that, it consists of following component by weight percentage:
Sumithion 5-80%,
Beta-cypermethrin 5-20%,
Ethoxylated alkyl phosphate 5-10%,
Ethylene glycol 1-5%,
Rosin Ethyl 4-10%.
4. the missible oil that contains sumithion according to claim 3, is characterized in that, it consists of following component by weight percentage:
Sumithion 30-80%,
Beta-cypermethrin 5-20%,
Ethoxylated alkyl phosphate 5-10%,
Ethylene glycol 1-5%,
Rosin Ethyl 4-10%.
5. the missible oil that contains sumithion according to claim 3, is characterized in that, it consists of following component by weight percentage:
Sumithion 40-80%,
Beta-cypermethrin 10-15%,
Ethoxylated alkyl phosphate 5-10%
Ethylene glycol 1-5%
Rosin Ethyl 4-10%.
6. the missible oil that contains sumithion according to claim 5, is characterized in that, the total weight percentage of described active ingredient is 70～90%.
7. according to the missible oil that contains sumithion described in the arbitrary claim of claim 1-6, for preventing and treating paddy rice pink rice borer, striped rice borer, paddy stem borer, leaf-roller.
8. the missible oil that contains sumithion according to claim 7, for preventing and treating paddy rice pink rice borer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310655899.6A CN103688988A (en) | 2013-12-06 | 2013-12-06 | Fenitrothion containing missible oil and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310655899.6A CN103688988A (en) | 2013-12-06 | 2013-12-06 | Fenitrothion containing missible oil and application thereof |
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| Publication Number | Publication Date |
|---|---|
| CN103688988A true CN103688988A (en) | 2014-04-02 |
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|---|---|---|---|
| CN201310655899.6A Pending CN103688988A (en) | 2013-12-06 | 2013-12-06 | Fenitrothion containing missible oil and application thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02108603A (en) * | 1988-10-19 | 1990-04-20 | Toho Chem Ind Co Ltd | Oil-in-water type emulsified agricultural chemical composition having excellent storage stability |
| CN1055858A (en) * | 1991-06-26 | 1991-11-06 | 巨修练 | Mixture of chlorocyano chrysanthemic ester and fenitrothion |
| CN1058505A (en) * | 1991-09-14 | 1992-02-12 | 中国国际科技促进会保康新技术研究所 | The prescription of electrostatically sprayed pesticide oil preparation |
| CN1080120A (en) * | 1992-06-13 | 1994-01-05 | 贺易庭 | Long-acting biocide compounding and preparation method |
-
2013
- 2013-12-06 CN CN201310655899.6A patent/CN103688988A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02108603A (en) * | 1988-10-19 | 1990-04-20 | Toho Chem Ind Co Ltd | Oil-in-water type emulsified agricultural chemical composition having excellent storage stability |
| CN1055858A (en) * | 1991-06-26 | 1991-11-06 | 巨修练 | Mixture of chlorocyano chrysanthemic ester and fenitrothion |
| CN1058505A (en) * | 1991-09-14 | 1992-02-12 | 中国国际科技促进会保康新技术研究所 | The prescription of electrostatically sprayed pesticide oil preparation |
| CN1080120A (en) * | 1992-06-13 | 1994-01-05 | 贺易庭 | Long-acting biocide compounding and preparation method |
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Application publication date: 20140402 |