CN103719158A - Pesticide composition for preventing and controlling crop mites - Google Patents
Pesticide composition for preventing and controlling crop mites Download PDFInfo
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- CN103719158A CN103719158A CN201210434421.6A CN201210434421A CN103719158A CN 103719158 A CN103719158 A CN 103719158A CN 201210434421 A CN201210434421 A CN 201210434421A CN 103719158 A CN103719158 A CN 103719158A
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- cyflumetofen
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Abstract
The invention relates to a pesticide composition which is used for preventing and controlling crop mites, especially panonychus, tetranychus urticae koch and tetranychus cinabarinus boisdu. The composition comprises the following effective ingredients: cyflumetofen and mineral oil, wherein the mass ratio of the cyflumetofen to the mineral oil is (1 to 1) to (1 to 300). The composition can be prepared into various formulations including missible oil, an emulsion in water and a suspension emulsion.
Description
Technical field
The present invention relates to a kind of composition pesticide, be specifically related to a kind of composition pesticide that contains cyflumetofen and mineral oil, for preventing and treating the harmful mite in agricultural.
Background technology
At present, in Agricultural Mites control, because evil mite is from generation to generation many, breeding is fast, easily produce resistance, the good miticide kind of some original preventive effects, as Avermectin, pyridaben etc., through using for a long time for many years, the time that miticidal effect obviously declines or a dispenser is effectively controlled is very short, even newly the miticide of development, if do not take resistance preventive measure, also can develop immunity to drugs conventionally very soon.By the access times of lasting increase agricultural chemicals and the working concentration of raising agricultural chemicals, cannot reach desirable control efficiency, also increased the murder by poisoning of human and environment has been polluted.Along with the raising of the agricultural product level of production, in the control of evil mite, more need to select high-quality and efficient agricultural chemicals, to reduce the quality of residue of pesticide, raising agricultural product.Based on above reason, need to continually develop new miticide.
In mineral oil pesticide industry, can be used for preventing and treating the insects such as mandarin tree aphid, blister mite, scale insect, the scale insect of loquat and strawberry tree.After processing, be good insecticide, its mechanism of action is by the pore of sealing adult or larva, produces smothering action.Special in aphid, mite, aleyrodid, scale insect and the less insect of other bodies, effect is fine, cheap.Can be processed as missible oil, also can join and use in scene.Because it is unique, form the physical pest killing principle that oil film sealing insect pore makes its death by suffocation, use for a long time non-resistant.Natural enemy is not formed to injury, thereby reduce drug cost.Long-term use 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 the very common way of control resistant insect.The formula that compound synergic is good, can improve actual control efficiency, administers theoretical according to pest resistance to insecticide, compositions different mechanism of action is carried out composite in suitable ratio, can delay generation and the 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 avoid or delays evil mite pesticide resistance produce.
Another object of the present invention is to provide the application of this composition pesticide in agricultural.
2. technical scheme
The agricultural chemicals of different mechanism of action shows three kinds of type of action: summation action, synergistic effect and antagonism after mixing conventionally.But be specially which kind of effect, by lot of experiments, cannot not determine.Inventor tests by large number of biological screening active ingredients, is surprised to find that cyflumetofen and mineral oil are used with certain proportion mixture, and evil mite is had to synergistic effect, after further study, has completed the present invention.
Composition pesticide provided by the present invention, take cyflumetofen and mineral oil as active ingredient, the mass ratio of cyflumetofen and mineral oil is 1: 1～1: 300, preferred proportion is 1: 20～1: 100.
Described cyflumetofen, English common name Cyf lumetofen, is the novel acyl group acetonitrile class miticide by the exploitation of Japanese great Zhong chemical company.
Described mineral oil, refers to the oil product that extracts from oil by physics distillating method, as diesel oil, white oil, paraffin wet goods; Preferably relatively n-alkane carbon number be poorly not more than 8, relatively n-alkane average carbon number between 21-24, non-sulfonated bodies content is not less than 92% refining mineral oil, for example Dao Daer Fluid Genera 9 mineral oil.
Composition pesticide of the present invention is mixed with any one formulation that those skilled in the art are familiar with 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 comprises that emulsifier, solvent, stabilizing agent, antifreezing agent, dispersant and other are of value to the known substance of active ingredient stable and drug effect performance in preparation, be all composition conventional in pesticidal preparations field, be not particularly limited.
Composition pesticide of the present invention, for preventing and treating the harmful mite occurring on crops, especially can effectively prevent and treat Panonychus citri, Tetranychus urticae that existing medicament is developed immunity to drugs.
3. beneficial effect
The composition pesticide that contains 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 agricultural chemicals usage amount, thereby has reduced harmful effect and the residue of pesticide to environment.
(2) this composition pesticide has expanded control spectrum, and a dispenser is pest control and evil mite simultaneously.
(3) mechanism of action difference of two kinds of active ingredients of this composition pesticide, has notable synergistic effect, and mixture is used, and can delay evil mite pesticide resistance and produce and development.
Embodiment
Below in conjunction with embodiment, the invention will be further described, not for limiting the present invention.
In embodiment, the former medicine of mineral oil used, 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 biologicall test part and the test of pesticide effectiveness is effective content.In the present embodiment, active component combination co-toxicity coefficient is greater than 120, has beat all effect, and co-toxicity coefficient is greater than 200, has more beat all effect.
Embodiment 1: cyflumetofen, mineral oil and the toxicity test of different proportioning to citrus red mite (crm)
Test method is with reference to the agricultural industry criteria NY/T1154.12-2006 > > of the < < People's Republic of China (PRC).Responsive examination worm is the female one-tenth mite of citrus red mite (crm) more than outdoor osmanthus fragrans gathers and pass through ten generations of indoor feeding, selects the female one-tenth mite of growth uniformity as supplying examination worm.Test all adopts seedling method, on little basin citrus seedling, connects 50～60 mites of Panonychus citri, after 1 day, checks radix, chooses except after dead mite, mends to add and lives into mite, and retaining every processing mite number is 50 left and right.Use spray tower to spray the seedling that has mite, moves under 25 ℃, relative moisture 90% condition and cultivate, microscopy after 15 days, the record number of surviving, carries out statistical analysis with DPS data processing software, obtains LC
50, mode of application adopts abundant co-toxicity coefficient (CTC) method that waits nineteen sixty proposition of Sun Yun.The computing formula of co-toxicity coefficient is as follows:
Actual measurement toxicity index (ATI)=(standard medicament LC
50/ reagent agent LC
50) × 100
The percentage composition of B in percentage composition+B medicament ATI × mixture of A in theoretical toxicity index (TTI)=A medicament ATI × mixture
Co-toxicity coefficient (CTC)=(mixture ATI/ mixture TTI) × 100
When CTC≤80, composition performance is for antagonism, and as 80 < CTC < 120, composition performance is for summation action, and when CTC >=120, composition performance is synergistic effect.When CTC >=300, composition performance is that synergistic effect is extremely remarkable.
Result of the test is in Table 1.
The toxicity test (15 days) of table 1 cyflumetofen, mineral oil and different proportioning citrus red mite (crm)s
Mineral oil: be commercial Dao Daer Fluid Genera 9 mineral oil.
From table 1, when the weight ratio of cyflumetofen and mineral oil was carried out mixture between 1: 1～1: 300, each proportioning co-toxicity coefficient has all reached more than 120, and formula shows certain synergistic effect to Panonychus citri.Wherein 1: 20 to 1: 100 co-toxicity coefficient is higher than 200, and synergy is particularly evident.
Embodiment 2: cyflumetofen, mineral oil and the toxicity test of different proportioning to Tetranychus urticae
Test method reference and the agricultural industry criteria NY/T1154.12-2006 > > of the < < People's Republic of China (PRC).Experimental population, from the Tetranychus urticae of the long-term indoor feeding of Nuo Puxin research institute, is selected 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 proportioning Tetranychus urticaes
Mineral oil: be commercial Dao Daer Fluid Genera 9 mineral oil.
From table 2, when the weight ratio of cyflumetofen and mineral oil was carried out mixture between 1: 1～1: 300, each proportioning co-toxicity coefficient has all reached more than 120, and formula shows certain synergistic effect to Tetranychus urticae.Wherein 1: 20 to 1: 100 co-toxicity coefficient is higher than 200, and synergy is particularly evident.
Embodiment 3: cyflumetofen, mineral oil and the toxicity test of different proportioning to Tetranychus cinnabarinus
Test method is with reference to the agricultural industry criteria NY/T1154.12-2006 > > of the < < People's Republic of China (PRC).Pick up from the female one-tenth mite of Tetranychus cinnabarinus in field, through more than ten generations of indoor feeding, select 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 proportioning Tetranychus cinnabarinus populations
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 was carried out mixture between 1: 1～1: 300, each proportioning co-toxicity coefficient has all reached more than 120, and formula shows certain synergistic effect to Tetranychus urticae.Wherein 1: 20 to 1: 100 co-toxicity coefficient is higher than 200, and synergy is particularly evident.
Embodiment 4:99.9% cyflumetofen. the compound method of mineral oil missible oil
By formula requirement, 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, make 99.9% cyflumetofen. mineral oil missible oil.
Embodiment 5:42% cyflumetofen. the compound method of mineral oil suspension emulsion and medicament field trial
By formula requirement, mineral oil, cosolvent, emulsifier mix and blend are dissolved and make oil phase, cyflumetofen, emulsifier, water are made to cyflumetofen suspension water at high speed sand mill sand milling; Under constantly stirring, cyflumetofen suspension is directly added in oil phase, stir 15-30min, obtain emulsion liquid.After each qualified, obtain 42% cyflumetofen by analysis. mineral oil suspension emulsion.
This embodiment preparation is used for preventing and treating granulated sugar tangerine garden tangerine mandarin orange Panonychus citri (this place's Panonychus citri reaches 78 times to pyridaben resistance after testing, and Avermectin resistance is reached to 40 times, is high-level resistant strains).The control of employing spray-on process.During dispenser, field Panonychus citri becomes mite more.5 processing are established in test altogether, and each processing repeats for 4 times.Before dispenser, investigate field insect population radix, after medicine, 1 insect pest situation of each investigation in 1,7 and 21 day, calculates control efficiency, and uses DPS to carry out difference analysis.
Control efficiency is as shown in table 6.
Table 4 cyflumetofen, mineral oil and mixture thereof the control efficiency to citrus red mite (crm)
Note: have same letter person to show that difference is not remarkable after same column of figure
As shown in Table 6, after cyflumetofen and mineral oil are composite, complex preparation is used separately compared with single dose, and the control efficiency of panonychus ulmi is improved a lot, and agricultural chemicals dosage reduces, and can effectively reduce harmful effect and residue of pesticide to environment.
Duration of test is also observed 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 compares single dose and expanded control spectrum.
Embodiment 6:30.1% cyflumetofen. the compound method of mineral oil aqueous emulsion and medicament field trial
By formula requirement, the mix and blends such as cyflumetofen, mineral oil, cosolvent, emulsifier are dissolved and make oil phase, under constantly stirring, antifreezing agent, water, thickener are fully stirred into water, water is directly added in oil phase, stir about 30min, obtains emulsion liquid, after sample analysis is qualified, obtains 30.1% cyflumetofen. mineral oil aqueous emulsion.
This embodiment preparation is used for preventing and treating apple orchard Tetranychus urticae.The control of employing spray-on process.During dispenser, field two variegated leafs become mite more.Testing each processing repeats for 4 times.Before dispenser, investigate field insect population radix, after medicine, 1 insect pest situation of each investigation in 1,7 and 21 day, calculates control efficiency, and carries out difference analysis with DPS.
Control efficiency is as shown in table 7.
Table 7 cyflumetofen, mineral oil and mixture thereof the control efficiency to Tetranychus urticae
Note: have same letter person to show that difference is not remarkable after same row effect word
As shown in Table 7, after cyflumetofen and mineral oil are composite, complex preparation (30.1% cyflumetofen. mineral oil aqueous emulsion) compared with single dose, use separately, the control efficiency of antagonism mineral oil Tetranychus urticae improves a lot, agricultural chemicals dosage reduces, and can effectively reduce harmful effect and residue of pesticide to environment.
Duration of test is also observed 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 compares single dose and expanded control spectrum.
Embodiment 7:40% cyflumetofen. the compound method of mineral oil emulsifiable concentrate
By formula requirement, former medicine, solvent, emulsifier are added together, and stir and make 40% cyflumetofen. mineral oil missible oil.
Embodiment 8:21% cyflumetofen. the compound method of mineral oil suspension emulsion
By formula requirement, former medicine, solvent, emulsifier are added together, and make to be dissolved into even oil phase; Add again water etc., under high-speed stirred, make 21% cyflumetofen. mineral oil suspension emulsion.
Embodiment 9:51% cyflumetofen. the compound method of mineral oil emulsifiable concentrate
By formula requirement, former medicine, solvent, emulsifier are added together, and stir and make 51% cyflumetofen. mineral oil missible oil.
Embodiment 10:80.8% cyflumetofen. the compound method of mineral oil emulsifiable concentrate
By formula requirement, former medicine, solvent, emulsifier are added together, and stir and make 80.8% cyflumetofen. mineral oil missible oil.
Claims (3)
1. a composition pesticide, is characterized in that active ingredient is comprised of cyflumetofen and mineral oil, and the mass ratio of cyflumetofen and mineral oil is 1: 1～1: 300.
2. composition pesticide according to claim 1, the mass ratio that it is characterized in that active ingredient cyflumetofen and mineral oil is 1: 20～1: 100.
3. composition pesticide according to claim 1 and 2, 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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110929997A (en) * | 2019-11-07 | 2020-03-27 | 广东省生物资源应用研究所 | Method for evaluating toxicity, synergism and decrement effect of agricultural mineral oil and chemical insecticide used together |
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| CN1297681A (en) * | 1999-11-26 | 2001-06-06 | 王海玉 | Miticide composition of diesel oil and acetamiprid |
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| 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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2012
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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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110929997A (en) * | 2019-11-07 | 2020-03-27 | 广东省生物资源应用研究所 | Method for evaluating toxicity, synergism and decrement effect of agricultural mineral oil and chemical insecticide used together |
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