CN103719158B - A kind of composition pesticide preventing and treating crop evil mite - Google Patents
A kind of composition pesticide preventing and treating crop evil mite Download PDFInfo
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- CN103719158B CN103719158B CN201210434421.6A CN201210434421A CN103719158B CN 103719158 B CN103719158 B CN 103719158B CN 201210434421 A CN201210434421 A CN 201210434421A CN 103719158 B CN103719158 B CN 103719158B
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Abstract
The present invention relates to a kind of composition pesticide, for preventing and treating the harmful mite that crops occur, especially can be used for preventing and treating Panonychus citri, Tetranychus urticae, Tetranychus cinnabarinus.Said composition active ingredient is made up of cyflumetofen and mineral oil, and wherein the mass ratio of cyflumetofen and mineral oil is 1: 1 ~ 1: 300, and composition can be made into various type processed, comprises missible oil, aqueous emulsion, suspension emulsion.
Description
Technical field
The present invention relates to a kind of composition pesticide, being specifically related to a kind of composition pesticide containing cyflumetofen and mineral oil, for preventing and treating harmful mite agriculturally.
Background technology
At present, in Agricultural Mites control, because evil mite is many from generation to generation, breeding is fast, easy generation resistance, the good miticide kind of some original preventive effects, as Avermectin, pyridaben etc., through Long-Time Service for many years, the time that miticidal effect obviously declines or a dispenser effectively controls is very short, even the miticide newly developed, if do not take resistance preventive measure, usually also can develop immunity to drugs very soon.By the access times of lasting increase agricultural chemicals and the working concentration of raising agricultural chemicals, desirable control efficiency cannot be reached, also add and the murder by poisoning of human and environment is polluted.Along with the raising of the agricultural product level of production, the control of evil mite needs to select high-quality and efficient agricultural chemicals more, to reduce residue of pesticide, to improve the quality of agricultural product.Based on above reason, need to continually develop new miticide.
Control mandarin tree aphid, blister mite, scale insect is can be used for, the insects such as the scale insect of loquat and strawberry tree in mineral oil pesticide industry.Be good insecticide after processing, its mechanism of action is the pore by closed adult or larva, produces smothering action.Especially for the insect that aphid, mite, aleyrodid, scale insect and other bodies are less, effect is fine, cheap.Can missible oil be processed as, also namely can join and namely use in scene.Form oil film because it is unique and close the physical pest killing principle that insect pore makes its death by suffocation, Long-Time Service non-resistant.Injury is not formed to natural enemy, thus reduces drug cost.Long-Time Service noresidue, energy natural decomposition Cheng Shui and easily degradation product, do not cause residual to crops.
The farm chemical ingredients of different mechanism of action carries out composite, is to prevent and treat the very common way of resistant insect.The formula that compound synergic is good, can improve actual control efficiency, according to pest resistance to insecticide governance theory, compositions different for mechanism of action is carried out composite in suitable ratio, can delay the emergence and development of pest resistance to insecticide, extend the service life of agricultural chemicals, be the important means of integrated control evil mite.
Summary of the invention
1. goal of the invention
Object of the present invention provides a kind of composition pesticide with synergistic effect, and good to the control efficiency of evil mite, quick-acting is good, and the lasting period is long, is conducive to avoiding or delay evil mite pesticide resistance and produces.
Another object of the present invention is to provide this composition pesticide in application agriculturally.
2. technical scheme
After the pestsides synthesis of different mechanism of action, usually show three kinds of type of action: summation action, synergistic effect and antagonism.But be specially which kind of effect, cannot not be determined by lot of experiments.Inventor, by large number of biological Activity Screening Test, is surprised to find that cyflumetofen and mineral oil use with certain proportion mixture, has synergistic effect, after further study, complete the present invention to evil mite.
Composition pesticide provided by the present invention, with cyflumetofen and mineral oil for active ingredient, the mass ratio of cyflumetofen and mineral oil is 1: 1 ~ 1: 300, and preferred proportion is 1: 20 ~ 1: 100.
Described cyflumetofen, English common name Cyflumetofen is the novel acyl acetonitrile class miticide developed by Japanese great Zhong chemical company.
Described mineral oil, refers to the oil product extracted from oil by physics distillating method, as diesel oil, white oil, paraffin wet goods; Preferably relatively n-alkane carbon number difference be not more than 8, relatively n-alkane average carbon number between 21-24, non-sulfonated thing content be not less than 92% refined mineral oil, such as Dao Daer FluidGenera9 mineral oil.
Composition pesticide of the present invention is any one formulation of being familiar with of preparation cost art in actual applications, and preferred formulation is missible oil, aqueous emulsion or suspension emulsion.Active ingredient total content in preparation is 10% ~ 99.9% preferably.
Auxiliary material in present composition preparation comprise emulsifier, solvent, stabilizing agent, antifreezing agent, dispersant and other be of value to the active ingredient known substance that plays of stable and drug effect in the formulation, be all composition conventional in field of pesticide preparation, be not particularly limited.
Composition pesticide of the present invention, for preventing and treating the harmful mite that crops occur, especially effectively can prevent and treat the Panonychus citri, the Tetranychus urticae that develop immunity to drugs to existing medicament.
3. beneficial effect
The composition pesticide containing cyflumetofen and mineral oil provided by the invention, can produce following beneficial effect:
(1) this composition pesticide has synergistic function to evil mite, can improve control efficiency, reduces Pesticide use amount, thus the harmful effect reduced environment and residue of pesticide.
(2) this composition pesticide expands control spectrum, and a dispenser can simultaneously pest control and evil mite.
(3) mechanism of action of this composition pesticide two kinds of active ingredients is different, has notable synergistic effect, and mixture uses, and can delay evil mite pesticide resistance emergence and development.
Embodiment
Below in conjunction with embodiment, the invention will be further described, not for limiting the present invention.
The former medicine of mineral oil used in embodiment, is purchased from market; The former medicine of cyflumetofen, is produced by Japanese great Zhong chemical company.In the proportioning of all preparations, percentage is mass percent.The treatment dosage of Biometric portion and the test of pesticide effectiveness is effective content.In the present embodiment, active ingredient combinations co-toxicity coefficient is greater than 120, and namely there is beat all effect, co-toxicity coefficient is greater than 200, namely there is more beat all effect.
Embodiment 1: cyflumetofen, mineral oil and different ratio are to the toxicity test of citrus red mite (crm)
Test method is with reference to " People's Republic of China (PRC) agricultural industry criteria NY/T1154.12-2006 ".Responsive examination worm is outdoor osmanthus fragrans gathers and the female one-tenth mite of citrus red mite (crm) more than indoor feeding ten generation, and the female one-tenth mite selecting growth uniformity is as examination worm.Test all adopts seedling method, namely on little basin citrus seedling, connects Panonychus citri 50 ~ 60 mites, checks radix after 1 day, choose except after dead mite, mends to add and lives into mite, and retaining often process mite number is about 50.The seedling of mite will be had to use spray tower to spray, moves into 25 DEG C, cultivate under relative moisture 90% condition, microscopy after 15 days, record is survived number, carries out statistical analysis, obtain LC with DPS data processing software
50, mode of application adopts abundant co-toxicity coefficient (CTC) method waiting nineteen sixty to propose of Sun Yun.The computing formula of co-toxicity coefficient is as follows:
Actual measurement toxicity index (ATI)=(standard agent LC
50/ reagent agent LC
50) × 100
In theoretical toxicity index (TTI)=A medicament ATI × mixture A percentage composition+B medicament ATI × mixture in the percentage composition of B
Co-toxicity coefficient (CTC)=(mixture ATI/ mixture TTI) × 100
When CTC≤80, composition shows as antagonism, and as 80 < CTC < 120, composition shows as summation action, and when CTC >=120, composition shows as synergistic effect.When CTC >=300, it is extremely remarkable that composition shows as synergistic effect.
Result of the test is in table 1.
The toxicity test (15 days) of table 1 cyflumetofen, mineral oil and different ratio citrus red mite (crm)
Mineral oil: be commercial Dao Daer FluidGenera9 mineral oil.
From table 1, when the weight ratio of cyflumetofen and mineral oil carries out mixture between 1: 1 ~ 1: 300, each proportioning co-toxicity coefficient all reaches more than 120, fills a prescription to show certain synergistic effect to Panonychus citri.Wherein 1: 20 to 1: 100 co-toxicity coefficients are higher than 200, and synergy is particularly evident.
Embodiment 2: cyflumetofen, mineral oil and different ratio are to the toxicity test of Tetranychus urticae
Test method reference and " People's Republic of China (PRC) agricultural industry criteria NY/T1154.12-2006 ".Experimental population, from the Tetranychus urticae of the long-term indoor feeding of Nuo Puxin research institute, selects the female one-tenth mite of growth uniformity as supplying examination worm.Adopt cotton seedling method, test method and statistical method are with embodiment 1.Result of the test is in table 2.
The toxicity test (15 days) of table 2 cyflumetofen, mineral oil and different ratio Tetranychus urticae
Mineral oil: be commercial Dao Daer FluidGenera9 mineral oil.
From table 2, when the weight ratio of cyflumetofen and mineral oil carries out mixture between 1: 1 ~ 1: 300, each proportioning co-toxicity coefficient all reaches more than 120, fills a prescription to show certain synergistic effect to Tetranychus urticae.Wherein 1: 20 to 1: 100 co-toxicity coefficients are higher than 200, and synergy is particularly evident.
Embodiment 3: cyflumetofen, mineral oil and different ratio are to the toxicity test of Tetranychus cinnabarinus
Test method is with reference to " People's Republic of China (PRC) agricultural industry criteria NY/T1154.12-2006 ".Picking up from the female one-tenth mite of Tetranychus cinnabarinus in field, more than indoor feeding ten generation, selecting the female one-tenth mite of growth uniformity as supplying examination worm.Adopt tomato seedling method, test method and statistical method are with embodiment 1.Result of the test is in table 3.
The toxicity test (15 days) of table 3 cyflumetofen, mineral oil and different ratio Tetranychus cinnabarinus population
Mineral oil: be the 10# white oil of commercial middle Hainan connection petrochemical industry.
From table 3, when the weight ratio of cyflumetofen and mineral oil carries out mixture between 1: 1 ~ 1: 300, each proportioning co-toxicity coefficient all reaches more than 120, fills a prescription to show certain synergistic effect to Tetranychus urticae.Wherein 1: 20 to 1: 100 co-toxicity coefficients are higher than 200, and synergy is particularly evident.
Embodiment 4:99.9% cyflumetofen. the compound method of mineral oil missible oil
By recipe requirements, by cyflumetofen, mineral oil, solvent, emulsifier mix and blend in modulation kettle, after the former medicine of solid dissolves completely, after fully stirring, obtain uniform oily liquids, i.e. obtained 99.9% cyflumetofen. mineral oil missible oil.
Embodiment 5:42% cyflumetofen. the compound method of mineral oil suspension emulsion and medicament field trial
By recipe requirements, mineral oil, cosolvent, emulsifier mix and blend are dissolved and make oil phase, cyflumetofen, emulsifier, water are made cyflumetofen suspension aqueous phase at high speed sand mill sand milling; Under constantly stirring, cyflumetofen suspension is directly added in oil phase, stir 15-30min, obtain emulsion liquid.Namely 42% cyflumetofen is obtained by analysis after each qualified. mineral oil suspension emulsion.
This embodiment preparation is for preventing and treating Citrus shatangju garden tangerine mandarin orange Panonychus citri (this place's Panonychus citri reaches 78 times to pyridaben resistance after testing, reaches 40 times, be high-level resistant strains to Avermectin resistance).Employing spray-on process is prevented and treated.During dispenser, field Panonychus citri becomes mite more.5 process are established in test altogether, and each process repeats for 4 times.Before dispenser, investigate field insect population radix, within after medicine 1,7 and 21 day, respectively investigate 1 insect pest situation, calculate control efficiency, and use DPS to carry out difference analysis.
Control efficiency is as shown in table 6.
Table 4 cyflumetofen, mineral oil and mixture thereof are to the control efficiency of citrus red mite (crm)
Note: difference is not remarkable to have same letter person to show after same column of figure
As shown in Table 6, cyflumetofen and mineral oil composite after, complex preparation comparatively single dose is used alone, and improves a lot to the control efficiency of panonychus ulmi, pesticide usage amount reduce, the harmful effect to environment and residue of pesticide can be effectively reduced.
Duration of test also observes built agent also has very good effect to the trialeurodes vaporariorum on citrus and scale insect, and within 7 days, drug effect reaches 95.42% and 82.2%.Show that built agent is compared single dose and expanded control spectrum.
Embodiment 6:30.1% cyflumetofen. the compound method of mineral oil aqueous emulsion and medicament field trial
By recipe requirements, the mix and blends such as cyflumetofen, mineral oil, cosolvent, emulsifier are dissolved and makes oil phase, under constantly stirring, antifreezing agent, water, thickener are fully stirred into aqueous phase, aqueous phase is directly added in oil phase, stir about 30min, obtains emulsion liquid, namely obtains 30.1% cyflumetofen after sample analysis is qualified. mineral oil aqueous emulsion.
This embodiment preparation is for preventing and treating apple orchard Tetranychus urticae.Employing spray-on process is prevented and treated.During dispenser, field two variegated leaf becomes mite more.Test each process to repeat for 4 times.Before dispenser, investigate field insect population radix, within after medicine 1,7 and 21 day, respectively investigate 1 insect pest situation, calculate control efficiency, and carry out difference analysis with DPS.
Control efficiency is as shown in table 7.
Table 7 cyflumetofen, mineral oil and mixture thereof are to the control efficiency of Tetranychus urticae
Note: difference is not remarkable to have same letter person to show after same row effect word
As shown in Table 7, cyflumetofen and mineral oil composite after, complex preparation (30.1% cyflumetofen. mineral oil aqueous emulsion) comparatively single dose be used alone, the control efficiency of antagonism mineral oil Tetranychus urticae improves a lot, pesticide usage amount reduces, and can effectively reduce the harmful effect to environment and residue of pesticide.
Duration of test also observes built agent also has very good effect to the aphid on apple, and within 7 days, drug effect reaches 95.42%.Show that built agent is compared single dose and expanded control spectrum.
Embodiment 7:40% cyflumetofen. the compound method of mineral oil emulsifiable concentrate
By recipe requirements, former medicine, solvent, emulsifier are added together, and stir obtained 40% cyflumetofen. mineral oil missible oil.
Embodiment 8:21% cyflumetofen. the compound method of mineral oil suspension emulsion
By recipe requirements, former medicine, solvent, emulsifier are added together, and make to be dissolved into homogeneous oil phase; Add water etc. again, under high velocity agitation, obtained 21% cyflumetofen. mineral oil suspension emulsion.
Embodiment 9:51% cyflumetofen. the compound method of mineral oil emulsifiable concentrate
By recipe requirements, former medicine, solvent, emulsifier are added together, and stir obtained 51% cyflumetofen. mineral oil missible oil.
Embodiment 10:80.8% cyflumetofen. the compound method of mineral oil emulsifiable concentrate
By recipe requirements, former medicine, solvent, emulsifier are added together, and stir obtained 80.8% cyflumetofen. mineral oil missible oil.
Claims (2)
1. a composition pesticide, is characterized in that active ingredient is made up of cyflumetofen and mineral oil, and the mass ratio of cyflumetofen and mineral oil is 1: 20 ~ 1: 100.
2. composition pesticide according to claim 1, is characterized in that being mixed with missible oil, aqueous emulsion or suspension emulsion.
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| CN201210434421.6A CN103719158B (en) | 2012-10-12 | 2012-10-12 | A kind of composition pesticide preventing and treating crop evil mite |
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| CN1209947A (en) * | 1997-09-02 | 1999-03-10 | 金中北 | Emulsion as synergistic agent for agricultural chemical |
| CN1297681A (en) * | 1999-11-26 | 2001-06-06 | 王海玉 | Miticide composition of diesel oil and acetamiprid |
| CN1297685A (en) * | 1999-11-26 | 2001-06-06 | 王海玉 | Pesticide composition of diesel oil and pyrethrin |
| CN1446196A (en) * | 2000-08-11 | 2003-10-01 | 大塚化学控股株式会社 | Acylacetonitriles, process for preparation thereof and miticides containing the same |
| WO2008031870A2 (en) * | 2006-09-14 | 2008-03-20 | Basf Se | Pesticide composition |
| CN101194606A (en) * | 2006-12-04 | 2008-06-11 | 湖南万家丰科技有限公司 | Pesticide missible oil preparation containing biological diesel oil solvent |
| WO2009138523A2 (en) * | 2008-05-12 | 2009-11-19 | Syngenta Participations Ag | Pesticidal compositions |
-
2012
- 2012-10-12 CN CN201210434421.6A patent/CN103719158B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1209947A (en) * | 1997-09-02 | 1999-03-10 | 金中北 | Emulsion as synergistic agent for agricultural chemical |
| CN1297681A (en) * | 1999-11-26 | 2001-06-06 | 王海玉 | Miticide composition of diesel oil and acetamiprid |
| CN1297685A (en) * | 1999-11-26 | 2001-06-06 | 王海玉 | Pesticide composition of diesel oil and pyrethrin |
| CN1446196A (en) * | 2000-08-11 | 2003-10-01 | 大塚化学控股株式会社 | Acylacetonitriles, process for preparation thereof and miticides containing the same |
| WO2008031870A2 (en) * | 2006-09-14 | 2008-03-20 | Basf Se | Pesticide composition |
| CN101194606A (en) * | 2006-12-04 | 2008-06-11 | 湖南万家丰科技有限公司 | Pesticide missible oil preparation containing biological diesel oil solvent |
| WO2009138523A2 (en) * | 2008-05-12 | 2009-11-19 | Syngenta Participations Ag | Pesticidal compositions |
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Owner name: XINNONG DAZHENG BIOLOGICAL ENGINEERING CO., LTD., Free format text: FORMER OWNER: NUOPUXIN AGRICULTURAL CHEMICAL CO., LTD., SHENZHEN Effective date: 20141225 |
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Effective date of registration: 20141225 Address after: Unit 6F No. 2 Yangqiao road Fuzhou Fujian province 350002 City 268 Sun City Building Applicant after: Xinnong Dazheng Biological Engineering Co., Ltd., Fujian Address before: 518102 Xixiang Reservoir Road, Shenzhen, Guangdong, No. 113, No. Applicant before: Nuopuxin Agricultural Chemical Co., Ltd., Shenzhen |
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