CN101731251B - Electrostatic oil agent of abamectin and diafenthiuron binary composition - Google Patents
Electrostatic oil agent of abamectin and diafenthiuron binary composition Download PDFInfo
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- CN101731251B CN101731251B CN 201010045646 CN201010045646A CN101731251B CN 101731251 B CN101731251 B CN 101731251B CN 201010045646 CN201010045646 CN 201010045646 CN 201010045646 A CN201010045646 A CN 201010045646A CN 101731251 B CN101731251 B CN 101731251B
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Abstract
The invention relates to an electrostatic oil agent of an abamectin and diafenthiuron binary composition. The electrostatic oil agent is prepared by adopting an abamectin and diafenthiuron binary composition as an effective component and comprises the following components in parts by weight: 0.1-5.0 parts of abamectin, 1.0-30 parts of diafenthiuron, 1.0-8.0 parts of conducting agent, 1.0-10 parts of cosolvent and the balance of solvent. The electrostatic oil agent has convenient processing, low cost, obvious pharmaceutical effect, long effect duration and high working efficiency, can reduce environmental pollution and pesticide dosage, improve the pesticide utilization ratio and is suitable for electrostatic spray.
Description
Technical field
The present invention relates to Avermectin (hereinafter referred to as active ingredient I) and diafenthiuron (hereinafter referred to as active ingredient II) and be electrostatic oil agent of the binary Pesticidal combination of active ingredient and preparation method thereof, belong to the pesticidal preparations field.
Background technology
Avermectin (abamectin) as active ingredient I belongs to efficiently, wide spectrum, non-harmful biological source insecticide, is developed by U.S. MSD Corp..Have and tag with stomach poison function and faint fumigation action is arranged, without systemic action, blade is had very strong osmosis, can kill subepidermal insect, and the lasting period is long.Its mechanism of action is unique, acts on γ-aminobutyric acid, disturbs the insect neurophysiology movable.It can be used for preventing and treating the various pests such as various mite classes, pear sucker, cabbage caterpillar, diamond-back moth, beet armyworm, apple leaf miner, leaf miner, Liriomyza, Americal rice leaf miner and vegetables trialeurodes vaporariorum, evil mite.Especially root-knot nematode there is special efficacy.
Diafenthiuron (diafenthiuron) as active ingredient II is that the Thiourea insecticide is arranged, and is a kind of new type disinsection, miticide.This medicine is a kind of selective insecticide, have interior suction and fumigation action, the sensitive strain that can control aphid reaches the aphid that carbamate, organic phosphor and pyrethroid is produced resistance, and cicadellid and coconut palm aleyrodid can also be controlled diamond-back moth, imported cabbageworm and noctuid and cause harm.Diafenthiuron has certain ovicidal activity, and is all higher to the ovicidal activity of armyworm and citrus red mite (crm).Be mainly used in insect, the evil mites such as cotton, fruit tree, vegetables, ornamental plants, the various mite classes of Soybean and Other Crops control, aleyrodid, diamond-back moth, cabbage caterpillar, aphid, leafhopper, cotton bollworm, beet armyworm, leaf miner, a red-spotted lizard.
The existing preparation of the binary Pesticidal combination that the present invention relates to mainly contains missible oil and suspending agent.And the electrostatic oil agent of Avermectin and diafenthiuron binary composition has no report both at home and abroad.
Summary of the invention
The purpose of this invention is to provide a kind of electrostatic oil agent preparation take Avermectin and diafenthiuron binary composition as active ingredient.
The organic solvent that electrostatic oil agent is low by the screening volatility, flash-point is high, high to former medicine dissolubility, lower to chemical injury of crops, viscosity is low not to water, generally also not to other organic solvents, but is directly used with electrostatic sprayer during dispenser.Electrostatic spray makes the droplet of each ejection all with electrostatic charge, be easier to be caught by target, higher than general finish deposition, penetrability to target such as plant strain canopy is more superior, therefore 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 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 occur that area is large, occasion that must dispenser on a large scale in the short time.
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 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 the good performances such as deposition efficiency is high, float of mist droplet scatters and disappears less, improve the ecological environment.Atomization of liquid mechanism more complicated under 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 is placed in liquid 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 medical liquid 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, and even to the target vegetation, deposition is high.The droplet that electrostatic spray forms is with same sex electric charge, mutually repel in spatial movement, 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, the droplet quick adsorption has improved the deposition of agricultural chemicals on the target crop to the positive and negative of crop, has improved the uniformity of agricultural chemicals deposition.The deposition of agricultural chemicals on crop surface improves 36% than conventional spraying, 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.The deposition that adopts electrostatic spray, droplet to fall on fruit tree leaf in the orchard is more much higher than conventional spraying, can improve the deposition of droplet on plant, effectively utilizes agricultural chemicals, reduces the loss that drift causes.
2. improve the availability of agricultural chemicals, reduce the usage amount of agricultural chemicals, reduce cost accounting.The electrostatic spray droplet size generally about 45 μ m, can reduce mist droplet particle size effectively, improves the spectrum of fog drop uniformity, meets biological optimum grain-diameter theoretical, is easy to be caught by target.When electrostatic potential was 20KV, mist droplet particle size reduced approximately 10%, and the spectrum of fog drop uniformity improves approximately 5%.Significantly increase the chance that droplet contacts with damage by disease and insect, improved exponentially extermination of disease and insect pest effect (improving 2 times than conventional spraying under similarity condition).And finish has affinity to insect body wall, is easy to penetrate body wall and enters in pest body, makes insect poisoning fast.Dosage saves 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 is only 60～150mL, is only more than one percent of conventional spraying, and the suction-operated of electric field force reduced the drift of agricultural chemicals, makes the agricultural chemicals availability high, 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 is high adsorption capacity on crop, and comprehensively evenly, dispenser efficient is high, and it is firm that agricultural chemicals adheres on leaf, resistance of rainwater washing against, and the high boiling solvent in finish can effectively delay the degraded of pesticide active ingredient, and drug effect is permanent.
5. work efficiency is high, and control 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 drought and water shortage area use.
7. electrostatic spray is difficult for producing poisoning to crop, without obviously residual, can improve the quality of crop.
The technical solution used in the present invention is:
Prepare electrostatic oil agent take Avermectin and diafenthiuron binary composition as active ingredient.
It comprises the component of following weight proportion:
0.1 part～5.0 parts of Avermectin
1.0 parts～30 parts of diafenthiurons
1.0 parts～8.0 parts of conductive agents
1.0 parts～10 parts of cosolvents
Solvent complements to 100 parts.
The above composition weight proportion optimization:
0.2 part～2.0 parts of Avermectin
5.0 parts～20 parts of diafenthiurons
1.0 parts～5.0 parts of conductive agents
2.0 parts～8.0 parts of cosolvents
Solvent complements to 100 parts.
The mixing match of two kinds of active ingredients is I: II=1: 5 to 1: 300, be preferably 1: 10 to 1: 100.
The cosolvent that is fit to is selected cyclohexanone, methyl-sulfoxide or 1-METHYLPYRROLIDONE.
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, heavy aromatics, or vegetable oil.Many Fluhyzons, as oily in a line oil, two wires, vegetable oil such as turpentine oil or cottonseed oil, corn oil.Preferred two wires oil, the above aromatic hydrocarbons of C10.
The preparation of electrostatic oil agent of the present invention is that active ingredient and conductive agent, cosolvent, solvent are fully mixed and forms.
The target crop that is fit to is the vegetable crops such as the economic crops such as the fruit tree crops such as oranges and tangerines, apple, pear tree, peach, soybean, cotton, tea tree, eggplant, capsicum, lettuce, celery, wild cabbage, Kidney bean, broad bean, cowpea, pea.
Electrostatic oil agent of the present invention is fit to control rice leaf roller, striped rice borer, rice thrips, rice gall midge, rice fulgorid, rice leafhopper, wheat mythimna separata, aphid, vegetables cabbage caterpillar, diamond-back moth, liriomyza bryoniae, beet armyworm, lima bean pod borer, tea geometrid, the thin moth of tea, tea caterpillar, beautiful green slug moth, tealeaves goitre mite, pink tea rust mite, privet mite, cotten aphid, cotton bollworm, soybean pod borer, prodenia litura, phyllocnistis citrella stainton, two spotted spider mite, European red mite, hawthron spider mite, peach fruit borer.
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
Electrostatic oil agent of the present invention is easy to process, with low cost, good drug efficacy, holding effect is 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.
Embodiment 1:1.1% avidin ether urea electrostatic oil agent
Avermectin 0.1kg
Diafenthiuron 1.0kg
1-METHYLPYRROLIDONE 2.0kg
Calcium dodecyl benzene sulfonate 1.5kg
Two wires oil complements to 100kg.
The preparation method fully mixes active ingredient and conductive agent, cosolvent, solvent and forms.
Avermectin and the former medicinal two wires of diafenthiuron is oily, 1-METHYLPYRROLIDONE dissolves fully, then adds calcium dodecyl benzene sulfonate, evenly mixes, and can be made into electrostatic oil agent after fully stirring.
Step according to identical with embodiment 1 can prepare following examples.
Embodiment 2:5% avidin ether urea electrostatic oil agent
Avermectin 0.2kg
Diafenthiuron 4.8kg
1-METHYLPYRROLIDONE 4.0kg
Calcium dodecyl benzene sulfonate 3.0kg
Two wires oil complements to 100kg.
Embodiment 3:10% avidin ether urea electrostatic oil agent
Avermectin 0.2kg
Diafenthiuron 9.8kg
Methyl-sulfoxide 4.0kg
Calcium dodecyl benzene sulfonate 4.0kg
C10 aromatic hydrocarbons complements to 100kg.
Embodiment 4:15% avidin ether urea electrostatic oil agent
Avermectin 0.2kg
Diafenthiuron 14.8kg
Cyclohexanone 4.0kg
Neopelex 4.0kg
Turpentine oil complements to 100kg.
Embodiment 5:25% avidin ether urea electrostatic oil agent
Avermectin 0.5kg
Diafenthiuron 24.5kg
Methyl-sulfoxide 6.5kg
Calcium dodecyl benzene sulfonate 5.0kg
C10 aromatic hydrocarbons complements to 100kg.
Embodiment 6:30% avidin ether urea electrostatic oil agent
Avermectin 1.2kg
Diafenthiuron 28.8kg
1-METHYLPYRROLIDONE 6.5kg
Neopelex 5.0kg
Cottonseed oil complements to 100kg.
Embodiment 7:32% avidin ether urea electrostatic oil agent
Avermectin 2.0kg
Diafenthiuron 30.0kg
1-METHYLPYRROLIDONE 10.0kg
Neopelex 7.5kg
Two wires oil complements to 100kg.
Embodiment 8:35% avidin ether urea electrostatic oil agent
Avermectin 5.0kg
Diafenthiuron 30.0kg
1-METHYLPYRROLIDONE 10.0kg
Neopelex 7.5kg
Two wires oil complements to 100kg.
Prepared avidin ether urea electrostatic oil agent outward appearance is transparent homogeneous oily liquids; The low-temperature phase capacitive is good, and under-5 ℃, refrigeration 7d is crystallization or suspension not; Volatility is low, filter paper suspension method measurement result, and volatility is lower than 30%; To plant safety, without poisoning; The employing method of remaining silent is measured, and flash-point is greater than 70 ℃; Viscosity is lower than 10mPas; Electrical conductivity (μ Ω cm
-1) 1～10
-3Between.
Claims (3)
1. an Avermectin and diafenthiuron binary composition electrostatic oil agent is characterized in that comprising the component of following weight proportion:
0.1 part～5.0 parts of Avermectin
1.0 parts～30 parts of diafenthiurons
Conductive agent is 1.5 parts～7.5 parts of neopelex or calcium dodecyl benzene sulfonates
Cosolvent is selected cyclohexanone, methyl-sulfoxide, or 1.0 parts～10 parts of 1-METHYLPYRROLIDONEs
Solvent is selected many Fluhyzons, heavy aromatics, or vegetable oil complements to 100 parts.
2. Avermectin according to claim 1 and diafenthiuron binary composition electrostatic oil agent is characterized in that described composition weight proportion optimization:
0.2 part～2.0 parts of Avermectin
4.8 parts～14.8 parts of diafenthiurons
Conductive agent is 1.5 parts～5.0 parts of neopelex or calcium dodecyl benzene sulfonates
Cosolvent is selected cyclohexanone, methyl-sulfoxide, or 2.0 parts～8.0 parts of 1-METHYLPYRROLIDONEs
Solvent is selected many Fluhyzons, heavy aromatics, or vegetable oil complements to 100 parts.
3. Avermectin according to claim 1 and 2 and diafenthiuron binary composition electrostatic oil agent is characterized in that: solvent is two wires oil, the above aromatic hydrocarbons of C10.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010045646 CN101731251B (en) | 2010-01-21 | 2010-01-21 | Electrostatic oil agent of abamectin and diafenthiuron binary composition |
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| CN 201010045646 CN101731251B (en) | 2010-01-21 | 2010-01-21 | Electrostatic oil agent of abamectin and diafenthiuron binary composition |
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| CN101731251A CN101731251A (en) | 2010-06-16 |
| CN101731251B true CN101731251B (en) | 2013-11-06 |
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| CN102379282A (en) * | 2011-09-13 | 2012-03-21 | 广西田园生化股份有限公司 | Ultralow volume liquid containing benzoylurea insecticide |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1557158A (en) * | 2004-01-14 | 2004-12-29 | 深圳市诺普信农化有限公司 | Dingminiao and abamectin containing insecticide and acaricide composition |
| CN1918993A (en) * | 2006-09-19 | 2007-02-28 | 东莞市农业科学研究中心 | Pesticide composition containing avermectin and butyl ether urea and its application |
| CN101518231A (en) * | 2009-03-18 | 2009-09-02 | 广西田园生化股份有限公司 | Nitenpyram static oil agent and preparation method thereof |
| CN101578979A (en) * | 2009-03-18 | 2009-11-18 | 广西田园生化股份有限公司 | Avermectin and chlorpyrifos dualistic combination electrostatic oil agent and preparation method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1557158A (en) * | 2004-01-14 | 2004-12-29 | 深圳市诺普信农化有限公司 | Dingminiao and abamectin containing insecticide and acaricide composition |
| CN1918993A (en) * | 2006-09-19 | 2007-02-28 | 东莞市农业科学研究中心 | Pesticide composition containing avermectin and butyl ether urea and its application |
| CN101518231A (en) * | 2009-03-18 | 2009-09-02 | 广西田园生化股份有限公司 | Nitenpyram static oil agent and preparation method thereof |
| CN101578979A (en) * | 2009-03-18 | 2009-11-18 | 广西田园生化股份有限公司 | Avermectin and chlorpyrifos dualistic combination electrostatic oil agent and preparation method thereof |
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Effective date of registration: 20201124 Address after: Room 1001, No. 375, Century Avenue, Chongchuan District, Nantong City, Jiangsu Province, 226000 Patentee after: Murming information technology (Nantong) Co., Ltd Address before: 530007, No. 1, west section, Chuangxin Road, Nanning, the Guangxi Zhuang Autonomous Region Patentee before: Guangxi Tianyuan Biochemical Co.,Ltd. |
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