CN101731256B - Electrostatic oil agent of binary composition of prochloraz and tebuconazole - Google Patents
Electrostatic oil agent of binary composition of prochloraz and tebuconazole Download PDFInfo
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- CN101731256B CN101731256B CN 201010045651 CN201010045651A CN101731256B CN 101731256 B CN101731256 B CN 101731256B CN 201010045651 CN201010045651 CN 201010045651 CN 201010045651 A CN201010045651 A CN 201010045651A CN 101731256 B CN101731256 B CN 101731256B
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Abstract
The invention provides an electrostatic oil agent of a binary composition, the active components of which comprise prochloraz and tebuconazole. The electrostatic oil agent comprises the following components by weight proportioning: 1.0-50.0 parts of prochloraz, 1.0-50.0 parts of tebuconazole, 1.0-8.0 parts of conductive agent, 1.0-10.0 parts of cosolvent and 18.0-96 parts of solvent. The electrostatic oil agent has the advantages of convenient processing, low cost, good drug effect, long duration and high work efficiency; and besides, the static oil agent can reduce the environmental pollution, improve the utilization ratio of the pesticide and decrease the consumption of the pesticide, thereby being applicable to the electrostatic spray.
Description
Technical field
The present invention relates to a kind of Prochloraz (active ingredient I hereinafter referred to as) and Tebuconazole (active ingredient II hereinafter referred to as) for the electrostatic oil agent of the binary bactericidal composition of active ingredient, belong to the pesticidal preparations field.
Background technology
Prochloraz (prochloraz) as active ingredient I belongs to the imidazoles bactericide; be ergosterol biosynthesis inhibitor, have protection and eradicant action, not absorption in the tool; but certain conductive performance is arranged, various crop sac fungi and imperfect fungus disease are had remarkable preventive effect.Can be used for seed treatment or the foliage spray of crop, can prevent and treat citrus anthracnose, powdery mildew, leaf spot, penicilliosis, blossom-end rot, green mould, sclerotinia rot of colza effectively, banana anthracnose, crown rot, cucumber anthracnose, mango anthracnose, bakanae disease of rice, rice blast, false smut, mushroom brown rot, white rot, wheat powdery mildew, head blight, capsicum gray mold, powdery mildew, anthracnose, the garlic leaf blight, watermelon blight, bitter rot or anthracnose of grape.
Tebuconazole (tebuconazole) as active ingredient II is triazole bactericidal agent, is ergosterol biosynthesis inhibitor, inhales and therapeutic action in having.Can be used for disease that cereal class control Erysiphe, third Rust, Rhynchosporium spp, nuclear cavity Pseudomonas and Septoria cause such as false smut, rust, rice blast.Can prevent and treat the cercospora brown spot of peanut and zonate spot in addition, grape grey mould, powdery mildew, tea tree tea gall, soybean rust, sigatoka, apple fallen leaves spot disease, ring spot, pear scab, Chinese cabbage black spot, powdery mildew of cucumber.
More than two kinds bactericide compounded less, the existing preparation of single agent mainly contains missible oil, aqueous emulsion, microemulsion, suspending agent and wetting powder.And the electrostatic oil agent of Prochloraz and Tebuconazole binary composition does not appear in the newspapers both at home and abroad.
Summary of the invention
The purpose of this invention is to provide a kind of is the electrostatic oil agent preparation of active ingredient with Prochloraz and Tebuconazole binary composition.
Electrostatic oil agent is low by the screening volatility, flash-point is high, to former medicine dissolubility height,, organic solvent that viscosity low lower to chemical injury of crops, not to water, generally also not to other organic solvents, but directly use with electrostatic sprayer during dispenser.Electrostatic spray makes the droplet of each ejection all have electrostatic charge, be easier to be caught by target, than general finish deposition height, penetrability to target such as plant strain canopy is more superior, so efficient especially with economize medicine, it is one of present target hit rate is the highest, environmental pollution the is minimum formulations of pesticide and using method.And not containing the high volatile volatile composition in the droplet, its size does not have significant change with quality from leave facility arrival target process, reduced volatilization and drift.Droplet is tiny and even, meets " biological optimum grain-diameter " requirement, has significantly improved deposition.Electrostatic oil agent directly uses and need not be to water, is specially adapted to water scarcity, damage by disease and insect and belongs to fulminant and big, the occasion that must dispenser on a large scale in the short time of area takes place.
The electrostatic spray technology is that applying high voltage static is set up an electrostatic field between shower nozzle and spraying target, and agricultural chemicals liquid is flowed through after the shower nozzle atomizing, filled with electric charge by different charging methods, form colony's charged droplets, then under the synergy of electrostatic field force and other external force, droplet is done directed movement and is adsorbed on each position of target, reaches good performances such as deposition efficiency height, float of mist droplet scatter and disappear less, improve the ecological environment.Atomization of liquid mechanism more complicated under the electrostatic field, it has been generally acknowledged that: electrostatic interaction can reduce surface tension of liquid, reduces the resistance that atomizes, simultaneously, repulsive interaction generation between the same sex electric charge additional external and internal pressure opposite with surface tension is poor, thereby improves fogging degree.
The droplet charging has three kinds of modes: (1) corona charging method, utilize the electrostatic high-pressure corona to make droplet charged; (2) contact mise-a-la-masse method directly places soup to the static high voltage, is charged droplet after the nozzle ejection; (3) inductive charging method is externally under the voltage electric field action, utilizes the electric field between electrode and soup jet to make droplet charged.
The electrostatic spray technology has the following advantages:
1. electrostatic spray has the effect of outflanking, point effect, penetration effect, the target crop is covered evenly the deposition height.The droplet that electrostatic spray forms has same sex electric charge, in spatial movement, repel mutually, do not condense, the induction of charged droplet makes the outside of crop produce the charges of different polarity, under the effect of electric field force, droplet is adsorbed onto the positive and negative of crop fast, has improved the deposition of agricultural chemicals on the target crop, has improved the uniformity of agricultural chemicals deposition.Agricultural chemicals improves more than 36% than conventional spraying at the deposition on the crop surface, and leaf back side agricultural chemicals deposition is tens times of conventional spraying, and crop top, middle part and root agricultural chemicals deposition distributing homogeneity all are significantly increased.More much lower than conventional spraying at the deposition that vegetable protecting field adopts electrostatic spray, droplet to drop on the electrical insulator plastic film, can improve the deposition of droplet on plant, effectively utilize agricultural chemicals, reduce drift and be deposited in loss on the plastic film.
2. improve the availability of agricultural chemicals, reduce the usage amount of agricultural chemicals, reduce the control cost.The footpath generally about 45 μ m, can reduce mist droplet particle size effectively in the electrostatic spray droplet volume, improves the spectrum of fog drop uniformity, meets biological optimum grain-diameter theory, is easy to be caught by target.When electrostatic potential was 20KV, it is about 10% that mist droplet particle size reduces, and the spectrum of fog drop uniformity improves about 5%.Significantly increase the chance that droplet contacts with damage by disease and insect, improved extermination of disease and insect pest effect (improving more than 2 times than conventional spraying under the similarity condition) exponentially.And finish has affinity to insect body wall, is easy to penetrate body wall and enters in the pest body, and insect is poisoned fast.Dosage is saved more than 30% than conventional spraying.
3. little to water source, environmental influence, reduced the pollution of agricultural chemicals to environment.The electrostatic spray spouting liquid is few, and every mu only is 60～150mL, only is more than one percent of conventional spraying, and the suction-operated of electric field force reduced the drift of agricultural chemicals, makes agricultural chemicals availability height, has avoided the agricultural chemicals loss, has reduced the pollution of agricultural chemicals to environment.
4. the electrostatic spray lasting period is long.Charged droplet high adsorption capacity on crop, and comprehensively evenly, dispenser efficient height, it is firm that agricultural chemicals adheres at leaf, resistance of rainwater washing against, and the high boiling solvent in the finish can effectively delay the degraded of pesticide active ingredient, and drug effect is permanent.
5. the work efficiency height is prevented and treated in time.The hand-held electrostatic ultra low volume spray improves 10～20 times of work efficiency than conventional spraying, and Dongfanghong-18 type power knapsack electrostatic sprayer per hour can spray 20～30 mu.
6. electrostatic spray adopts supporting electrostatic oil agent, need not to add water, is particularly suitable for the drought and water shortage area and uses.
7. electrostatic spray be difficult for to produce poisoning to crop, does not have obviously residually, can improve the quality of crop.
The technical solution used in the present invention is: be that active ingredient prepares electrostatic oil agent with Prochloraz and Tebuconazole binary composition.
This electrostatic oil agent comprises the component of following weight proportion:
1.0 parts～50.0 parts of Prochlorazs
1.0 parts～50.0 parts of Tebuconazoles
1.0 parts～8.0 parts of conductive agents
1.0 parts～10.0 parts of cosolvents
18.0 parts～96 parts of solvents.
The above composition weight proportion optimization:
15.0 parts～40 parts of Prochlorazs
10.0 parts～40 parts of Tebuconazoles
1.0 parts～5.0 parts of conductive agents
2.0 parts～8.0 parts of cosolvents
7.0 parts～72.0 parts of solvents.
Two kinds of mixing active ingredients proportionings are I: II=1: 1 to 50: 1, be preferably 1: 1 to 4: 1, and for example preferred proportioning is 1: 1,2: 1,3: 1 composition.
The cosolvent that is fit to is selected cyclohexanone for use, methyl-sulfoxide, or N-methyl pyrrolidone.
The conductive agent that is fit to is anion surfactant, as neopelex or calcium dodecyl benzene sulfonate.
The solvent that is fit to is many Fluhyzons, as a line oil, two wires wet goods, heavy aromatics, vegetable oil such as turpentine oil or cottonseed oil, corn oil.Preferred two wires oil, the above aromatic hydrocarbons of C10.
Electrostatic oil agent of the present invention adopts active ingredient and conductive agent, cosolvent, solvent is fully mixed and makes.
The target crop that is fit to is paddy rice, wheat, soybean, peanut, rape, mushroom, tea tree, Chinese cabbage, capsicum, garlic, cucumber, watermelon, grape, oranges and tangerines, apple, pear tree, mango, banana.
Electrostatic oil agent of the present invention is fit to prevent and treat wheat rust, powdery mildew, head blight, soybean rust, citrus anthracnose, powdery mildew, leaf spot, penicilliosis, blossom-end rot, green mould, sclerotinia rot of colza, banana anthracnose, crown rot, leaf spot, cucumber anthracnose, mango anthracnose, bakanae disease of rice, rice blast, false smut, the mushroom brown rot, white rot, the capsicum gray mold, powdery mildew, anthracnose, garlic leaf blight, watermelon blight, bitter rot or anthracnose of grape, the cercospora brown spot of peanut and zonate spot, grape grey mould, powdery mildew, the tea tree tea gall, apple fallen leaves spot disease, ring spot, pear scab, Chinese cabbage black spot, powdery mildew of cucumber.
The method for optimizing of using electrostatic oil agent of the present invention is the static ultra low volume spraying, and a situation arises determines suitable consumption according to controlling object, and formulation rate is 90～450g a.i./hm usually
2
The electrostatic oil agent of the present invention preparation is easy to process, with low cost, good drug efficacy, hold imitate long, work efficiency is high; Can reduce environmental pollution, improve the agricultural chemicals availability, reduce the agricultural chemicals usage amount, be suitable for electrostatic spray.
Embodiment
The present invention describes with the following example, but does not limit the scope of the invention.
The bright tebuconazole electrostatic oil agent of embodiment 1:2% miaow
Prochloraz 1.0kg
Tebuconazole 1.0kg
N-methyl pyrrolidone 2.0kg
Calcium dodecyl benzene sulfonate 1.5kg
Two wires oil complements to 100kg.
The former medicinal cosolvent of Prochloraz and Tebuconazole, solvent dissolve fully, add other compositions again, evenly mix, and can be made into electrostatic oil agent after fully stirring.
Step according to identical with embodiment 1 can prepare following examples.
The bright tebuconazole electrostatic oil agent of embodiment 2:15% miaow
Prochloraz 10.0kg
Tebuconazole 5.0kg
N-methyl pyrrolidone 4.0kg
Calcium dodecyl benzene sulfonate 3.0kg
Two wires oil complements to 100kg.
The bright tebuconazole electrostatic oil agent of embodiment 3:25% miaow
Prochloraz 15.0kg
Tebuconazole 10.0kg
Methyl-sulfoxide 4.0kg
Calcium dodecyl benzene sulfonate 4.0kg
C10 aromatic hydrocarbons complements to 100kg.
The bright tebuconazole electrostatic oil agent of embodiment 4:35% miaow
Prochloraz 25.0kg
Tebuconazole 10.0kg
Cyclohexanone 4.0kg
Neopelex 4.0kg
Two wires oil complements to 100kg.
The bright tebuconazole electrostatic oil agent of embodiment 5:45% miaow
Prochloraz 25.0kg
Tebuconazole 20.0kg
Methyl-sulfoxide 6.5kg
Calcium dodecyl benzene sulfonate 5.0kg
C10 aromatic hydrocarbons complements to 100kg.
The bright tebuconazole electrostatic oil agent of embodiment 6:50% miaow
Prochloraz 25.0kg
Tebuconazole 25.0kg
Methyl-sulfoxide 6.5kg
Calcium dodecyl benzene sulfonate 5.0kg
C10 aromatic hydrocarbons complements to 100kg.
The bright tebuconazole electrostatic oil agent of embodiment 7:60% miaow
Prochloraz 50.0kg
Tebuconazole 10.0kg
N-methyl pyrrolidone 6.5kg
Neopelex 5.0kg
Two wires oil complements to 100kg.
The bright tebuconazole electrostatic oil agent of embodiment 8:70% miaow
Prochloraz 20.0kg
Tebuconazole 50.0kg
N-methyl pyrrolidone 10.0kg
Neopelex 7.5kg
Two wires oil complements to 100kg.
Prepared A Wei poison electrostatic oil agent outward appearance is transparent homogeneous oily liquids; Low temperature compatibility is good, and under-5 ℃, refrigeration 7d does not separate out crystallization or suspension; Volatility is low, filter paper suspension method measurement result, and volatility is lower than 30%; To plant safety, no poisoning; The employing method of remaining silent is measured, and flash-point is greater than 70 ℃; Viscosity is below 10mPas; Electrical conductivity (μ Ω cm
-1) 1～10
-3Between.
Claims (4)
1. a Prochloraz and Tebuconazole dualistic combination electrostatic oil agent is characterized in that comprising the component of following weight proportion:
1.0 parts～50.0 parts of Prochlorazs
1.0 parts～50.0 parts of Tebuconazoles
1.0 parts～8.0 parts of conductive agent neopelex or calcium dodecyl benzene sulfonates
Cosolvent is selected cyclohexanone for use, methyl-sulfoxide, or 1.0 parts～10.0 parts of N-methyl pyrrolidones
The many Fluhyzons of solvent, heavy aromatics or vegetable oil.18.0 part～96 parts.
2. Prochloraz according to claim 1 and Tebuconazole dualistic combination electrostatic oil agent is characterized in that described composition weight proportion optimization:
15.0 parts～40 parts of Prochlorazs
10.0 parts～40 parts of Tebuconazoles
1.0 parts～5.0 parts of conductive agent neopelex or calcium dodecyl benzene sulfonates
Cosolvent is selected cyclohexanone for use, methyl-sulfoxide, or 2.0 parts～8.0 parts of N-methyl pyrrolidones
The many Fluhyzons of solvent, heavy aromatics or vegetable oil.7.0 part～72.0 parts.
3. Prochloraz according to claim 1 and 2 and Tebuconazole dualistic combination electrostatic oil agent, it is characterized in that: solvent is two wires oil.
4. Prochloraz according to claim 1 and 2 and Tebuconazole dualistic combination electrostatic oil agent, it is characterized in that: solvent is the above aromatic hydrocarbons of C10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010045651 CN101731256B (en) | 2010-01-21 | 2010-01-21 | Electrostatic oil agent of binary composition of prochloraz and tebuconazole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010045651 CN101731256B (en) | 2010-01-21 | 2010-01-21 | Electrostatic oil agent of binary composition of prochloraz and tebuconazole |
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| Publication Number | Publication Date |
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| CN101731256A CN101731256A (en) | 2010-06-16 |
| CN101731256B true CN101731256B (en) | 2013-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010045651 Active CN101731256B (en) | 2010-01-21 | 2010-01-21 | Electrostatic oil agent of binary composition of prochloraz and tebuconazole |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101926344B (en) * | 2010-08-25 | 2013-12-25 | 广西田园生化股份有限公司 | Electrostatic spraying liquid preparation of binary composition of mixture-xylyl-n-methyl carbamate and buprofezin and preparation method thereof |
| CN104206411B (en) * | 2014-09-23 | 2016-05-11 | 江苏丘陵地区镇江农业科学研究所 | Recompounded pesticide that contains fosthiazate, Tebuconazole and Prochloraz and its preparation method and application |
| CN104273155A (en) * | 2014-09-23 | 2015-01-14 | 江苏省绿盾植保农药实验有限公司 | Composition containing tebuconazole, prochloraz and cartap and application of composition |
| CN114158564A (en) * | 2021-12-13 | 2022-03-11 | 宁波市农业技术推广总站 | Method for controlling content of vomitoxin aiming at diseased wheat |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101019545A (en) * | 2007-03-15 | 2007-08-22 | 江苏辉丰农化股份有限公司 | Germicide composition possessing synergy |
-
2010
- 2010-01-21 CN CN 201010045651 patent/CN101731256B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101019545A (en) * | 2007-03-15 | 2007-08-22 | 江苏辉丰农化股份有限公司 | Germicide composition possessing synergy |
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Effective date of registration: 20201124 Address after: Room 1506, building 8, Tian'an Digital City, 199 Shennan Road, Gangzha District, Nantong City, Jiangsu Province 226000 Patentee after: Nantong Youjia Information Technology Co.,Ltd. Address before: 530007, No. 1, west section, Chuangxin Road, Nanning, the Guangxi Zhuang Autonomous Region Patentee before: Guangxi Tianyuan Biochemical Co.,Ltd. |