CN103283731A - Pesticide composition for preventing and treating drug-fast tetranychid mites - Google Patents
Pesticide composition for preventing and treating drug-fast tetranychid mites Download PDFInfo
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- 239000000575 pesticide Substances 0.000 title claims abstract description 26
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- 150000003851 azoles Chemical class 0.000 claims description 52
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 46
- 229910052731 fluorine Inorganic materials 0.000 claims description 46
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- AWSZRJQNBMEZOI-UHFFFAOYSA-N 2-methoxyethyl 2-(4-tert-butylphenyl)-2-cyano-3-oxo-3-[2-(trifluoromethyl)phenyl]propanoate Chemical compound C=1C=C(C(C)(C)C)C=CC=1C(C#N)(C(=O)OCCOC)C(=O)C1=CC=CC=C1C(F)(F)F AWSZRJQNBMEZOI-UHFFFAOYSA-N 0.000 abstract description 3
- 239000005655 Cyflumetofen Substances 0.000 abstract description 3
- 239000005897 Etoxazole Substances 0.000 abstract description 3
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical compound CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 abstract description 3
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Abstract
The invention relates to a pesticide composition for preventing and treating drug-fast tetranychid mites, which is used for preventing and treating pest mites on crops, and especially can be used for preventing and treating panonychus citri, two-spotted spider mites and tetranychus cinnabarinus. The active components of the composition are cyflumetofen and etoxazole, wherein the mass ratio of the cyflumetofen to the etoxazole is 30:1-1:30, and the composition can be prepared into various forms including missible oil, microemulsions, EW (emulsions in water), suspending agents, wettable powder, water dispersible granules, microcapsule suspending agents and suspoemulsions.
Description
Technical field
The present invention relates to a kind of composition pesticide, be specifically related to a kind of composition pesticide that contains fourth fluorine mite ester and second mite azoles, be used for preventing and treating the harmful mite on the agricultural.
Background technology
At present, in agriculture control of pest mite, because the evil mite is from generation to generation many, breeding is fast, easily produce resistance, the good miticide kind of some original preventive effects is as Avermectin, pyridaben etc., through using for a long time for many years, the time that miticidal effect obviously descends or a dispenser is effectively controlled is very short, even newly Yan Zhi miticide if do not take the resistance preventive measure, also can develop immunity to drugs usually very soon.By the access times of lasting increase agricultural chemicals and the working concentration of raising agricultural chemicals, can't 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, need to select for use high-quality and efficient agricultural chemicals more, to reduce the quality of residue of pesticide, raising agricultural product.Based on above reason, need continually develop new miticide.
The mode of action of second mite azoles (etoxazole) is that the embryo who suppresses the mite ovum forms and the process of casting off a skin from young mite to the one-tenth mite, and is effective to ovum and young mite, to becoming mite invalid.Though the second mite azoles lasting period is long, be easy to make harmful mite to develop immunity to drugs, and this medicament quick-acting is very poor.
The farm chemical ingredients of different mechanism of action carries out composite, is the very common way of control resistant insect.The prescription that compound synergic is good can improve actual control efficiency, administers theoretical according to pest resistance to insecticide, the compositions that mechanism of action is different are undertaken composite by proper proportion, can delay generation and the development of pest resistance to insecticide, prolong the service life of agricultural chemicals, be the important means of integrated control evil mite.
Summary of the invention
1. goal of the invention
Purpose of the present invention provides a kind of composition pesticide with synergistic effect, and the control efficiency of antagonism property of medicine evil mite is good, and 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 provides the application of this composition pesticide on 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 usually.But be specially which kind of effect, can't do not determine by a large amount of tests.The inventor is by large number of biological screening active ingredients test, is surprised to find that fourth fluorine mite ester and second mite azoles with certain proportion uses that be mixed, have synergistic effect to doing harm to mite, after further study, finished the present invention.
Described fourth fluorine mite ester, English common name Cyflumetofen is the novel acyl group acetonitrile class miticide by the exploitation of Japan big tomb chemical company.
Composition pesticide provided by the present invention is active ingredient with fourth fluorine mite ester and second mite azoles, and the mass ratio of fourth fluorine mite ester and second mite azoles is 30: 1～1: 30, and preferred proportion is 5: 1～1: 5.
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, microemulsion, aqueous emulsion, suspending agent, wetting powder, water dispersible granules, micro-capsule suspension or suspension emulsion.Active ingredient total content in the preparation is 5%～60% preferably.
Auxiliary material in the present composition preparation comprises that emulsifier, solvent, stabilizing agent, antifreezing agent, dispersant, carrier and other are of value to the known substance of active ingredient stable and drug effect performance in preparation, all be composition commonly used in the pesticidal preparations field, do not have restriction especially.
Composition pesticide of the present invention is used for preventing and treating the harmful mite of taking place on the crops, especially can effectively prevent and treat having Panonychus citri, the Tetranychus urticae that medicament such as Avermectin and pyridaben etc. develop immunity to drugs now.
3. beneficial effect
The composition pesticide that contains fourth fluorine mite ester and second mite azoles provided by the invention can produce following beneficial effect:
(1) this composition pesticide has synergistic function to the evil mite, can improve control efficiency, reduces the agricultural chemicals usage amount, thereby has reduced harmful effect and residue of pesticide to environment.
(2) this composition pesticide has enlarged the 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 the notable synergistic effect, and the use that is mixed can delay evil mite pesticide resistance and produce and development.
Embodiment
The invention will be further described below in conjunction with embodiment, is not for restriction the present invention.
Among the embodiment in the proportioning of all preparations percentage be mass percent.The treatment dosage of biologicall test part and the test of pesticide effectiveness is effective content.Namely there is beat all effect in active component combination co-toxicity coefficient greater than 120 in the present embodiment, and namely there is more beat all effect in co-toxicity coefficient greater than 200.
Embodiment 1: fourth fluorine mite ester, second mite azoles and different proportioning are to the toxicity test of 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 through the female one-tenth mite of indoor feeding 30 generation citrus red mite (crm), selects the female one-tenth mite of growth uniformity as supplying the examination worm from Agricultural University Of Nanjing.Resistance examination worm is picked up from Sihui City, Guangdong, and local Panonychus citri is very high to spiral shell mite ester resistance.Select the female one-tenth mite of growth uniformity as supplying the examination worm.The seedling method is all adopted in test, namely connects 50～60 mites of Panonychus citri at little basin citrus seedling, checks radix after 1 day, chooses except behind the dead mite, mends to add and lives into mite, and keeping every processing mite number is about 50.To have the seedling of mite to use spray tower to spray, and move under 25 ℃, relative moisture 90% condition and cultivate, microscopy after 15 days, the record number of surviving carries out statistical analysis with the DPS data processing software, obtains LC
50, the synergy mode adopts abundant co-toxicity coefficient (CTC) method that waits the 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, the composition performance is for antagonism, and when 80＜CTC＜120, the composition performance is for summation action, and when CTC 〉=120, the composition performance is synergistic effect.When CTC 〉=300, the composition performance is extremely remarkable for synergistic effect.
Result of the test sees Table 1 and table 2.
The toxicity test (to the population of spiral shell mite ester sensitivity) (15 days) of table 1 fourth fluorine mite ester, second mite azoles and different proportioning citrus red mite (crm)s
The toxicity test of table 2 fourth fluorine mite ester, second mite azoles and different proportioning citrus red mite (crm)s (to the population of spiral shell mite ester resistance, 10.42 times of resistant multiples) (15 days)
By table 1 as seen, when the weight ratio of fourth fluorine mite ester and second mite azoles was mixed between 30: 1～1: 30, each proportioning co-toxicity coefficient had all reached more than 120, and prescription is to the certain synergistic effect of Panonychus citri performance of spiral shell mite ester sensitivity.When being mixed between 30: 1～1: 30 by the part by weight of the visible fourth fluorine mite ester of table 2 and second mite azoles, prescription shows significant synergistic effect to the Panonychus citri of spiral shell mite ester resistance (10 times), and CTC is higher than 200.Wherein proportioning is 1: 5-5: 1 o'clock, CTC more was higher than 300, and composition shows as utmost point obvious synergistic effect to the virulence of citrus red mite (crm).
Embodiment 2: fourth fluorine mite ester, second mite azoles and different proportioning are to the toxicity test of Tetranychus urticae
Test method reference and " the agricultural industry criteria NY/T1154.12-2006 of the People's Republic of China (PRC) ".Sensitive population is from the Tetranychus urticae of the long-term indoor feeding of promise general letter research institute; Resistant population is directly picked up from the Tetranychus urticae of Shenzhen Long Gangdiqu, selects the female one-tenth mite of growth uniformity as supplying the examination worm.Adopt cotton seedling method, test method and statistical method are with embodiment 1.
Result of the test sees Table 3 and table 4.
The toxicity test (15 days) of table 3 fourth fluorine mite ester, second mite azoles and different proportioning Tetranychus urticae (to second mite azoles sensitive population)
The toxicity test (15 days) of table 4 fourth fluorine mite ester, second mite azoles and different proportioning Tetranychus urticae (to second mite azoles resistant population, 22.2 times of resistant multiples)
By table 3 as seen, when the weight ratio of fourth fluorine mite ester and second mite azoles was mixed between 30: 1～1: 30, each proportioning co-toxicity coefficient had all reached more than 120, and prescription is to the certain synergistic effect of Tetranychus urticae performance of second mite azoles sensitivity.When being mixed between 30: 1～1: 30 by the part by weight of the visible fourth fluorine mite ester of table 4 and second mite azoles, prescription shows significant synergistic effect to the Tetranychus urticae of second mite azoles resistance (22.2 times), and CTC is higher than 200.Wherein proportioning is 1: 5-5: 1 o'clock, CTC more was higher than 300, and composition shows as utmost point obvious synergistic effect to the virulence of Tetranychus urticae.
Embodiment 3: fourth fluorine mite ester, second mite azoles and different proportioning are to the toxicity test of 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 30 generations of indoor feeding, the female one-tenth mite that selects the growth uniformity is as for the examination worm.Adopt tomato seedling method, test method and statistical method are with embodiment 1.
Result of the test sees Table 5.
The toxicity test (15 days) of table 5 fourth fluorine mite ester, second mite azoles and different proportioning Tetranychus cinnabarinus sensitive population
By table 5 as seen, when the weight ratio of fourth fluorine mite ester and second mite azoles was mixed between 30: 1～1: 30, each proportioning co-toxicity coefficient had all reached more than 120, showed certain synergistic effect.
Embodiment 4:31% fourth fluorine mite ester. the compound method of second mite azoles missible oil
By the prescription requirement, fourth fluorine mite ester, second mite azoles, emulsifier, partial solvent are mixed stirring in modulation kettle, treat that the former medicine of solid dissolves fully after, more remaining solvent is added lentamente, obtain uniform oil phase after fully stirring, namely make 31% fourth fluorine mite ester. second mite azoles missible oil.
Embodiment 5:6% fourth fluorine mite ester. compound method and the medicament field trial of second mite azoles suspension emulsion
By the prescription requirement, second mite azoles, cosolvent, emulsifier stirring and dissolving are made oil phase, under constantly stirring, fourth fluorine mite ester suspension is directly added in the oil phase, stir 15-30min, get transparency liquid.Each index namely gets 6% fourth fluorine mite ester after qualified by analysis. second mite azoles suspension emulsion.
This embodiment preparation is used for control granulated sugar tangerine garden tangerine mandarin orange Panonychus citri.The control of employing spray-on process.The field Panonychus citri becomes mite more during dispenser, uses spiral shell mite ester throughout the year, to spiral shell mite ester resistance height.5 processing are established in test altogether, and each is handled 4 times and repeats.Investigation field insect population radix before dispenser was respectively investigated insect pest situation 1 time in 1,7 and 21 day behind the medicine, calculated control efficiency, and used DPS to carry out difference analysis.
Control efficiency is as shown in table 6.
Table 6 fourth fluorine mite ester, second mite azoles and mixture thereof are to the control efficiency of citrus red mite (crm)
Annotate: same column of figure back has same letter person to show that difference is not remarkable
As shown in Table 6, after fourth fluorine mite ester and second mite azoles were composite, the more single agent of complex preparation was used separately, and the control efficiency of panonychus ulmi is improved a lot, and the agricultural chemicals dosage reduces, and can effectively reduce harmful effect and residue of pesticide to environment.
Embodiment 6:10% fourth fluorine mite ester. compound method and the medicament field trial of second mite azoles aqueous emulsion
By the prescription requirement, mixing stirring and dissolving such as fourth fluorine mite ester, second mite azoles, cosolvent, emulsifier are made oil phase, under constantly stirring, antifreezing agent, water, thickener are fully stirred into water, directly add water in the oil phase, stir about 30min gets emulsion liquid, namely gets 10% fourth fluorine mite ester after sample analysis is qualified. second mite azoles aqueous emulsion.
This embodiment preparation is used for control apple orchard Tetranychus urticae.The control of employing spray-on process.It is more that field two variegated leafs become mite during dispenser, and this area uses second mite azoles control Tetranychus urticae throughout the year simultaneously, and this area's Tetranychus urticae has obvious resistance to second mite azoles.Test each and handle 4 repetitions.Investigation field insect population radix before dispenser was respectively investigated insect pest situation 1 time in 1,7 and 21 day behind the medicine, calculated control efficiency, and carried out difference analysis with DPS.
Control efficiency is as shown in table 7.
Table 7 fourth fluorine mite ester, second mite azoles and mixture thereof are to the control efficiency of Tetranychus urticae
Annotate: same column of figure back has same letter person to show that difference is not remarkable
As shown in Table 7, after fourth fluorine mite ester and second mite azoles are composite, and complex preparation (10% fourth fluorine mite ester. second mite azoles aqueous emulsion) more single agent uses separately, and the control efficiency of antagonism second mite azoles Tetranychus urticae improves a lot, the agricultural chemicals dosage reduces, and can effectively reduce harmful effect and residue of pesticide to environment.
Embodiment 7:12% fourth fluorine mite ester. the compound method of second mite azoles wetting powder
Take by weighing various compositions such as fourth fluorine mite ester, second mite azoles by weight, through drying, the cooling of filler; Being mixed of filler, former medicine, auxiliary agent, levigate, mix and namely make 12% fourth fluorine mite ester. second mite azoles wetting powder.
Embodiment 8:30% fourth fluorine mite ester. the compound method of second mite azole suspending agent
By the prescription requirement, the amount of above each component by prescription mixed, after grinding and/or high speed shear, obtain 30% fourth fluorine mite ester. second mite azole suspending agent.
Embodiment 9:21% fourth fluorine mite ester. the compound method of second mite azoles water dispersible granules
By the prescription requirement, take by weighing various compositions such as fourth fluorine mite ester, second mite azoles, elder generation mixes and pulverizes through air-flow, adopts extruder grain again, makes 31% fourth fluorine mite ester after oven dry is sieved. second mite azoles water dispersible granules.
This embodiment preparation is used for Tetranychus urticae on the control cotton.The control of employing spray-on process.It is more that two variegated leafs become mite during dispenser.Cotton leaf bug on the cotton of same plot is taken place heavier.Test each and handle 4 repetitions.Investigation field insect population radix before the dispenser was respectively investigated insect pest situation 1 time in 1,7 and 21 day behind the medicine, calculated control efficiency, used DPS to carry out difference analysis.
Control efficiency is as shown in table 8.
Table 8 fourth fluorine mite ester, second mite azoles and mixture thereof are to the control efficiency of Tetranychus urticae
Annotate: same column of figure back has same letter person to show that difference is not remarkable
As shown in Table 7, after fourth fluorine mite ester and second mite azoles were composite, the more single agent of complex preparation was used separately, and the control efficiency of Tetranychus urticae is improved a lot, and the agricultural chemicals dosage reduces, and can effectively reduce harmful effect and residue of pesticide to environment.
Duration of test is also observed composite dose also has very good effect to the cotton leaf bug on the cotton, and drug effect reached 75.42% in 7 days.Show that comparing single agent for composite dose has enlarged the control spectrum.
Claims (3)
1. composition pesticide is characterized in that active ingredient is made up of fourth fluorine mite ester and second mite azoles, and the mass ratio of fourth fluorine mite ester and second mite azoles is 30: 1～1: 30.
2. composition pesticide according to claim 1 is characterized in that the mass ratio of active ingredient fourth fluorine mite ester and second mite azoles is 5: 1～1: 5.
3. composition pesticide according to claim 1 and 2 is characterized in that being mixed with missible oil, microemulsion, aqueous emulsion, suspending agent, wetting powder, water dispersible granules, micro-capsule suspension or suspension emulsion.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102726419A (en) * | 2012-06-09 | 2012-10-17 | 广东中迅农科股份有限公司 | Synergistic acaricidal composition containing etoxazole and cyflumetofen |
| CN103503898A (en) * | 2013-10-11 | 2014-01-15 | 江苏龙灯化学有限公司 | Insecticide composition |
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| EP1308437A1 (en) * | 2000-08-11 | 2003-05-07 | Otsuka Chemical Company, Limited | Acylacetonitriles, process for preparation thereof and miticides containing the same |
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| CN102113488A (en) * | 2010-12-30 | 2011-07-06 | 青岛泰生生物科技有限公司 | Cyflumetofen-containing insecticidal/acaricidal composition |
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| CN102726419A (en) * | 2012-06-09 | 2012-10-17 | 广东中迅农科股份有限公司 | Synergistic acaricidal composition containing etoxazole and cyflumetofen |
| CN102726419B (en) * | 2012-06-09 | 2016-04-27 | 广东中迅农科股份有限公司 | A kind of Synergistic mite killing composition containing second mite azoles and cyflumetofen |
| CN103503898A (en) * | 2013-10-11 | 2014-01-15 | 江苏龙灯化学有限公司 | Insecticide composition |
| CN103503898B (en) * | 2013-10-11 | 2015-03-25 | 江苏龙灯化学有限公司 | Insecticide composition |
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| CN103283731B (en) | 2014-11-26 |
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