CN101213961B - Plant-type smoke agent and preparation thereof - Google Patents
Plant-type smoke agent and preparation thereof Download PDFInfo
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- CN101213961B CN101213961B CN2007102035804A CN200710203580A CN101213961B CN 101213961 B CN101213961 B CN 101213961B CN 2007102035804 A CN2007102035804 A CN 2007102035804A CN 200710203580 A CN200710203580 A CN 200710203580A CN 101213961 B CN101213961 B CN 101213961B
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- fumicants
- vegetable oil
- plant type
- permethrin
- plant
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Abstract
The invention provides plant smoke agent and a preparation method thereof, and wherein vegetable oil is used as hot fogging concentrate, which has no peculiar smell, and is safe to people, crop, agricultural products and environment, and has the performances of high efficiency, low poison, low residue, non-peculiar smell, convenient usage, high pesticide application efficiency and so on. Active ingredient of the plant insect disinfestation is tetramethrin and permethrin, which can effectively control diseases and insect pests of fresh fruits and vegetables like waxberry, strawberry, tomatoes and so on which have short safe interval period, especially for controlling of waxberry drosophila, the control efficiency can be achieved above 85 percent.
Description
Technical field
The present invention relates to pesticide field, particularly relate to a kind of plant type fumicants and preparation method thereof.
Background technology
At present, to the damage by disease and insect on fruit tree, crops and the vegetables also mainly is to adopt the conventional method of converting water spray to prevent and treat, this method is relatively poor to the preventive effect of plant pests such as control fruit tree, forest, dispenser efficient is low, residual height, preventive effect is extremely undesirable, and residual height, environmental pollution are heavy when crop disease and insects such as vegetables are prevented and treated, safety interval is long.
Fumicants is a kind of important formulation in the pesticidal preparations, and it is made up of thermal fog, agricultural chemicals (active component) and other auxiliary agent.Domesticly just fumicants is used to prevent and treat the forest dendrolimus punctatus from the fifties, the nineties is in the green house widespread usage.But for a long time, thermal fog uses mineral oil, longer a period of time implants product has peculiar smell after the dispenser, and the people is edible also dangerous, reduce the commodity value of plant product, so fumicants also mainly is at present to be used for the control of forest disease and pest and the control that is unsuitable for being used for damage by disease and insect such as vegetables, fruit tree and crops.
Summary of the invention
Technical problem to be solved by this invention provides the plant type fumicants of a kind of efficient, low toxicity, low-residual, free from extraneous odour, this fumicants has replaced traditional mineral oil with vegetable oil, the product that utilizes active component provided by the invention and preparation method to obtain be suitable for preventing and treating safety intervals such as red bayberry, strawberry, tomato short eat damage by disease and insect such as fruits and vegetables raw.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
Fumicants is prepared from by thermal fog and active component, and thermal fog is a vegetable oil in the plant type fumicants of the present invention.
The plant oil flash is 50～70 ℃, and the kinematic viscosity in the time of 20 ℃ is 3.0～8.0mm
2/ s.Such vegetable oil can satisfy the requirement of fog machine fully.
The fumicants of above-mentioned prevention and elimination of disease and pests, the quality percentage composition of vegetable oil is 70～99%.
Preferably, the quality percentage composition of vegetable oil in fumicants is 85～96%.
The best results of fumicants when the quality percentage composition of vegetable oil is 94%.
It is the plant type insecticidal smoke of thermal fog with the vegetable oil that the present invention also provides a kind of, and its active component is tetramethrin and permethrin.
The quality percentage composition of tetramethrin and permethrin is respectively 0.2%～3% and 1%～4% in the above-mentioned insecticidal smoke.
When the quality percentage composition in fumicants was respectively 0.9% and 0.92% when tetramethrin and permethrin, the control efficiency of insecticidal smoke was best.
The preparation method of aforementioned fumicants: active component and auxiliary agent are added in the vegetable oil, fully mix promptly.
In fumicants of the present invention, selecting vegetable oil for use is thermal fog, and vegetable oil all is nontoxic to people, plant and agricultural product, and free from extraneous odour, also is safe to environment.
The present invention draws through a large amount of tests, uses flash-point and the satisfactory vegetable oil of kinematic viscosity to put into the smog particle diameter of its ejection of fog machine test, and the smog particle diameter meets the requirements, and fog machine is working properly; This vegetable oil can be soybean oil, rape oil.This product can also add auxiliary agent to optimize the performance of fumicants in fumicants.
Insecticidal smoke of the present invention also draws through the screening that pesticide species and proportioning are carried out in a large amount of tests, finally draw the active component of adding: it is more satisfactory that tetramethrin and the permethrin quality percentage composition in fumicants is respectively 0.2%～3% and 1%～4% o'clock preventive effect, when their percentage composition was respectively 0.9% and 0.92%, it is best that its preventive effect reaches.Prepared new type disinsection fumicants is put into fog machine carry out indoor measurement, obtained good preventive effect.
Compared with prior art, plant type fumicants of the present invention is to be thermal fog with the vegetable oil, and free from extraneous odour all is safe to people, crop itself, agricultural product and environment, has performances such as efficient, low toxicity, low-residual, free from extraneous odour, easy to use, dispenser efficient height.Insecticidal smoke provided by the invention, can effectively prevent and treat safety intervals such as red bayberry, strawberry, tomato short eat damage by disease and insect on the fruits and vegetables raw, especially for the control of red bayberry fruit bat, its preventive effect can reach more than 85%; The present invention has reached the purpose of invention.
Embodiment
Embodiment 1: by proportioning agricultural chemicals being added the kinematic viscosity of flash-point when being 50～70 ℃, 20 ℃ is 3.0～8.0mm
2In the soybean oil of/s, can also add various auxiliary agents as required, fully mix promptly getting plant type fumicants of the present invention.Putting into fog machine uses.
Embodiment 2: tetramethrin 16.47kg with 98% and 92% permethrin 15.14kg, put into reactor, adding 63.39kg mixed solvent (dimethylbenzene: the weight ratio of methyl alcohol is 1: 2) fully mixes, ultrasonic processing 30min pours in the reactor, adds 5kg emulsifier 2201C, stir 30min, get 30% amine permethrin insecticide, the 6.07kg insecticide is put into 93.93kg rape oil, fully mix promptly getting plant type insecticidal smoke of the present invention.Putting into fog machine uses.
The 2.8hm of inventors in 2004 18 years living age of trees of national Agricultural Science and Technology Park in Kweiyang, Guizhou
2The red bayberry orchard prevents and treats the red bayberry fruit bat with 1.82% amine permethrin fumicants.The result shows that 1h, 24h and 48h preventive effect are respectively 86.75%, 87.64% and 85.71%.1h and 24h to tetramethrin in the Waxberry fruit and permethrin testing result are: 0.6mg/kg, do not detect and 0.49mg/kg, 0.36mg/kg, meet national safety standard.When adopting amine permethrin fumicants that the red bayberry fruit bat is prevented and treated, can be in the beginning dispenser in preceding 3 days of gathering, 48 hours Waxberry fruits of gathering behind the medicine, whole dispenser picking time 3～4 times.
Claims (7)
1. a plant type fumicants is to be prepared from by thermal fog and active component, it is characterized in that: described thermal fog is a vegetable oil, and the plant oil flash is 50～70 ℃, and the kinematic viscosity in the time of 20 ℃ is 3.0～8.0mm
2/ s, the vegetable oil quality percentage composition in fumicants is 70～99%.
2. according to the described plant type fumicants of claim 1, it is characterized in that: the quality percentage composition of described vegetable oil is 85～96%.
3. according to the described plant type fumicants of claim 2, it is characterized in that: the quality percentage composition of described vegetable oil is 94%.
4. according to the described plant type fumicants of claim 1, it is characterized in that: described active component is tetramethrin and permethrin.
5. according to the described plant type fumicants of claim 4, it is characterized in that: described tetramethrin and the permethrin quality percentage composition in fumicants is respectively 0.2%～3% and 1%～4%.
6. according to the described plant type fumicants of claim 5, it is characterized in that: described tetramethrin and the permethrin quality percentage composition in fumicants is respectively 0.9% and 0.92%.
7. the preparation method of arbitrary described plant type fumicants among the claim 1-6 is characterized in that: active component is added in the vegetable oil, fully mix promptly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007102035804A CN101213961B (en) | 2007-12-29 | 2007-12-29 | Plant-type smoke agent and preparation thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007102035804A CN101213961B (en) | 2007-12-29 | 2007-12-29 | Plant-type smoke agent and preparation thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101213961A CN101213961A (en) | 2008-07-09 |
| CN101213961B true CN101213961B (en) | 2011-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007102035804A Expired - Fee Related CN101213961B (en) | 2007-12-29 | 2007-12-29 | Plant-type smoke agent and preparation thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN101213961B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101779625B (en) * | 2010-02-09 | 2013-03-13 | 安徽省农业科学院植物保护研究所 | Functional smoke agent for hot fogging machine and preparation method thereof |
| CN102972433A (en) * | 2011-09-07 | 2013-03-20 | 中国人民解放军疾病预防控制所 | New health and epidemic prevention insecticidal fumigant |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002193702A (en) * | 2000-12-28 | 2002-07-10 | Dainippon Jochugiku Co Ltd | Stabilizer for fumigant composition and method for stabilizing the composition |
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2007
- 2007-12-29 CN CN2007102035804A patent/CN101213961B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002193702A (en) * | 2000-12-28 | 2002-07-10 | Dainippon Jochugiku Co Ltd | Stabilizer for fumigant composition and method for stabilizing the composition |
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| CN101213961A (en) | 2008-07-09 |
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