CN101647465A - Acaricide composition containing tebufenpyrad and fenbutatin oxide - Google Patents
Acaricide composition containing tebufenpyrad and fenbutatin oxide Download PDFInfo
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- CN101647465A CN101647465A CN200910173592A CN200910173592A CN101647465A CN 101647465 A CN101647465 A CN 101647465A CN 200910173592 A CN200910173592 A CN 200910173592A CN 200910173592 A CN200910173592 A CN 200910173592A CN 101647465 A CN101647465 A CN 101647465A
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- tebufenpyrad
- fenbutatin oxide
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- mite
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Abstract
The invention relates to an acaricide composition and the effective ingredient of the acaricide composition comprises tebufenpyrad and fenbutatin oxide in a mass ratio of 50:1 to 1:80. The compositionhas obvious efficiency, can prevent mites on plants and particularly can prevent panonychus citri and panongchus ulmi.
Description
Technical field
The present invention relates to a kind of miticide composition, be specifically related to a kind of miticide composition that contains tebufenpyrad.
Background technology
Tebufenpyrad (tebufenpyrad) is a kind of novel amide-type miticide.Can be used for multiple harmful mites such as control tetranychid, rust mite, tarsonemid such as fruit tree, tea tree, cotton.Lasting period is long, can reach more than 40 days.Tebufenpyrad is as the mitochondrial respiratory inhibitor, with no cross resistances such as fenbutatin oxide, fenpropathrins.
Fenbutatin oxide (fenbutatin oxide) is a kind of organotin acaricide.Be used for fruit tree, tea tree, flowers and other crops control citrus reticulata leaf spiders, rust mite, apple tetranychus, pink tea rust mite etc.This medicament is extensive to be used for many years, and cost is lower, and the evil mite has produced certain resistance to it, and preventive effect descends a lot.
In the real process of agricultural production, phytophagy evil mite is the important insect of a class.Because the evil mite is from generation to generation many, breeding is fast, and the generation overlap phenomenon is serious, and miticide is easily developed immunity to drugs, and especially uses the miticide of single-activity composition.
Summary of the invention
1. goal of the invention
Purpose one of the present invention provides a kind of miticide composition that synergistic effect is arranged that contains tebufenpyrad and fenbutatin oxide, to reduce the use cost of tebufenpyrad, delays the generation and the development of pest resistance, prolongs the service life of medicament.
Another object of the present invention provides the application of this miticide composition on the plant control of pest mite.
2. technical scheme
For achieving the above object, the inventor carries out biologicall test test and field trial to the miticide active ingredient of the different mechanisms of action, and screening has the prescription of synergistic effect.In a large amount of processs of the test, the unexpected discovery with tebufenpyrad and fenbutatin oxide is that the miticide composition of active ingredient has synergistic function.
A kind of miticide composition, active ingredient is made up of tebufenpyrad and fenbutatin oxide, and wherein the mass ratio of tebufenpyrad and fenbutatin oxide is 50: 1～1: 80, and the preferred mass ratio is 5: 1～1: 20.
Miticide composition of the present invention is mixed with spendable any formulation in actual applications, and formulation comprises missible oil, microemulsion, aqueous emulsion, suspending agent, wetting powder, water dispersible granules preferably.The quality percentage composition of active ingredient is 1%～90% in the preparation.
Materials such as used emulsifier, solvent, stabilizing agent, antifreezing agent, dispersant, carrier when miticide composition of the present invention is mixed with different dosage form all are compositions commonly used in the pesticidal preparations field, do not have restriction especially.
Miticide composition of the present invention is used to prevent and treat the harmful mite on the plant, and the mite class is all had very high preventive effect each vegetative period, and quick-acting is good, and the lasting period is long.Be applicable to the multiple harmful mite of control, especially can effectively prevent and treat panonychus citri, panonychus ulmi.
3. beneficial effect
The miticide composition that contains tebufenpyrad and fenbutatin oxide provided by the invention can produce following beneficial effect:
(1) this miticide composition has synergistic effect to the evil mite, compares with single agent, can improve control efficiency.
(2) said composition can reduce the agricultural chemicals usage amount, has reduced harmful effect and residue of pesticide to environment.
(3) mechanism of action difference of two kinds of active ingredients of the present composition, and synergistic effect is arranged, composite use can delay evil mite pesticide resistance and produce and development.
Embodiment
Below in conjunction with embodiment content of the present invention is described further.Specific embodiment only is used to explain the present invention, and is not used in qualification the present invention.
The former medicine of used 95% tebufenpyrad is that Lulilai Co., Ltd., Jiangsu produces among the embodiment; The former medicine of 96% fenbutatin oxide is that the production of precious pharmaceutcal corporation, Ltd is sowed in the Wuxi City, Jiangsu Province.
Percentage is mass percent in the proportioning of all preparations.The treatment dosage of the biologicall test part and the test of pesticide effectiveness is effective content.
Embodiment 1 tebufenpyrad, fenbutatin oxide and different proportioning are to the toxicity test of panonychus citri
Test is with reference to " the agricultural industry criteria NY/T1154.7-2006 of the People's Republic of China (PRC) " and " the agricultural industry criteria NY/T1154.12-2008 of the People's Republic of China (PRC) ".The panonychus citri of gathering on the oranges and tangerines (Panonychus citri Me Gregor) becomes mite, and through the indoor feeding three generations, the female one-tenth mite that selects the growth uniformity is as supplying the examination worm.Adopt the slide infusion process, promptly two-sided tape be cut into the end that 1cm * 2cm is attached to slide, the back side of the female one-tenth mite of panonychus citri is sticked on adhesive tape, 35～40 mites of each slide, microscopy after 4 hours, choose remove dead mite after, mend to add and live into mite.Place the slide that is stained with female one-tenth mite the interior dipping of soup to take out after 5 seconds, absorb slide and mite body unnecessary soup on every side with filter paper, move under 25 ℃, relative moisture 90% condition and cultivate, microscopy after 24 hours, record death toll and survival number (touching the motionless person of mite body with the writing brush point is death), blank is handled with clear water.Calculate lethality or corrected mortality that each is handled.Carry out statistical analysis with the DPS data processing software, calculate the lethal concentration of 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, then the composition performance is for antagonism, and when 80＜CTC＜120, then the composition performance is for summation action, and when CTC 〉=120, then the composition performance is synergistic effect.
Result of the test sees Table 1.
The toxicity test (24h) of table 1 tebufenpyrad, fenbutatin oxide and different proportioning panonychus citris
| Reagent agent | ??LC 50(mg/L) | ??ATI | ??TTI | ??CTC |
| Tebufenpyrad (T) | ??1.83 | ??100 | ??- | ??- |
| Fenbutatin oxide (F) | ??67.34 | ??2.71 | ??- | ??- |
| ??T∶F(50∶1) | ??1.52 | ??120.4 | ??98.1 | ??122.7 |
| ??T∶F(25∶1) | ??1.32 | ??138.6 | ??96.3 | ??144.0 |
| ??T∶F(10∶1) | ??1.21 | ??151.2 | ??91.2 | ??165.9 |
| ??T∶F(5∶1) | ??1.07 | ??171.0 | ??83.8 | ??204.1 |
| ??T∶F(1∶1) | ??1.48 | ??123.6 | ??51.4 | ??240.8 |
| ??T∶F(1∶9) | ??5.24 | ??34.9 | ??12.4 | ??280.6 |
| ??T∶F(1∶20) | ??12.29 | ??14.9 | ??7.4 | ??202.6 |
| ??T∶F(1∶40) | ??21.83 | ??8.4 | ??5.1 | ??164.7 |
| ??T∶F(1∶80) | ??37.54 | ??4.9 | ??3.9 | ??124.4 |
By table 1 as seen, when the mass ratio of tebufenpyrad and fenbutatin oxide was mixed between 50: 1～1: 80, each proportioning co-toxicity coefficient had all reached more than 120, showed certain synergistic effect; When the mass ratio of tebufenpyrad and fenbutatin oxide was mixed between 5: 1～1: 20, CTC obviously increased, and composition shows as obvious synergistic effect to the virulence of panonychus citri.
Embodiment 2: tebufenpyrad, fenbutatin oxide and different proportioning are to the toxicity test of panonychus ulmi
Test is with reference to " the agricultural industry criteria NY/T1154.7-2006 of the People's Republic of China (PRC) " and " the agricultural industry criteria NY/T1154.12-2008 of the People's Republic of China (PRC) ".The panonychus ulmi of gathering on the apple tree (Panonychus ulmt Koch) becomes mite, and through the indoor feeding three generations, the female one-tenth mite that selects the growth uniformity is as supplying the examination worm.Adopt the slide infusion process, test method and statistical method are with embodiment 1.
Result of the test sees Table 2.
The toxicity test (24h) of table 2 tebufenpyrad, fenbutatin oxide and different proportioning panonychus ulmis
| Reagent agent | ??LC 50(mg/L) | ??ATI | ??TTI | ??CTC |
| Tebufenpyrad (T) | ??1.57 | ??100 | ??- | ??- |
| Fenbutatin oxide (F) | ??56.31 | ??2.79 | ??- | ??- |
| ??T∶F(50∶1) | ??1.31 | ??119.8 | ??98.1 | ??122.2 |
| ??T∶F(25∶1) | ??1.17 | ??134.2 | ??96.3 | ??139.4 |
| ??T∶F(10∶1) | ??1.09 | ??144.0 | ??91.2 | ??158.0 |
| ??T∶F(5∶1) | ??0.92 | ??170.7 | ??83.8 | ??203.6 |
| ??T∶F(1∶1) | ??1.28 | ??122.7 | ??51.4 | ??238.7 |
| ??T∶F(1∶9) | ??4.54 | ??34.6 | ??12.5 | ??276.4 |
| ??T∶F(1∶20) | ??10.43 | ??15.1 | ??7.4 | ??202.9 |
| ??T∶F(1∶40) | ??19.31 | ??8.1 | ??5.2 | ??157.6 |
| ??T∶F(1∶80) | ??32.41 | ??4.8 | ??4.0 | ??121.5 |
By table 2 as seen, when the mass ratio of tebufenpyrad and fenbutatin oxide was mixed between 50: 1～1: 80, each proportioning co-toxicity coefficient had all reached more than 120, showed certain synergistic effect; When the mass ratio of tebufenpyrad and fenbutatin oxide was mixed between 5: 1～1: 20, composition showed as obvious synergistic effect to the virulence of panonychus ulmi.
Embodiment 3:21% tebufenpyrad. the compound method of fenbutatin oxide missible oil
Tebufenpyrad (active ingredient) 20%
Fenbutatin oxide (active ingredient) 1%
Calcium dodecyl benzene sulfonate (emulsifier) 7%
Styryl phenyl APEO (emulsifier) 4%
Dimethyl formamide (cosolvent) 5.5%
Toluene (solvent) surplus
By the prescription requirement, tebufenpyrad, fenbutatin oxide, 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, promptly make 21% tebufenpyrad. fenbutatin oxide missible oil.
Embodiment 4:6% tebufenpyrad. the compound method of fenbutatin oxide microemulsion and medicament field trial
Tebufenpyrad (active ingredient) 5%
Fenbutatin oxide (active ingredient) 1%
Styryl phenol APEO (emulsifier) 8%
Neopelex (emulsifier) 4%
Isopropyl alcohol (cosolvent) 7%
Dimethyl formamide (cosolvent) 2%
The deionized water surplus
By the prescription requirement, tebufenpyrad, fenbutatin oxide, cosolvent, emulsifier stirring and dissolving are made oil phase, under constantly stirring, water is added in the oil phase lentamente, stir 15-30min, get transparency liquid.Each index promptly gets 6% tebufenpyrad after qualified by analysis. the fenbutatin oxide microemulsion.
This embodiment preparation is used to prevent and treat oranges and tangerines garden panonychus citri.The control of employing spray-on process.The field panonychus citri becomes mite more during dispenser.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, was shown in Table 3.
Table 3 tebufenpyrad, fenbutatin oxide and mixture thereof are to the control efficiency of panonychus citri
As shown in Table 3, after tebufenpyrad and fenbutatin oxide were composite, the more single agent of complex preparation was used separately, and the control efficiency of panonychus citri is increased significantly; Complex preparation uses separately than the agent of fenbutatin oxide list, and the agricultural chemicals dosage reduces, and can effectively reduce harmful effect and residue of pesticide to environment.
Embodiment 5:10% tebufenpyrad. the compound method of fenbutatin oxide aqueous emulsion and medicament field trial
Tebufenpyrad (active ingredient) 5%
Fenbutatin oxide (active ingredient) 5%
Neopelex (emulsifier) 6%
Phenol formaldehyde resin APEO (emulsifier) 3%
Dimethyl formamide (cosolvent) 8%
Carboxymethyl cellulose (thickener) 2%
Ethylene glycol (antifreezing agent) 0.5%
The deionized water surplus
By the prescription requirement, mixing stirring and dissolving such as tebufenpyrad, fenbutatin oxide, cosolvent, emulsifier are made oil phase, under constantly stirring, antifreezing agent, water, thickener are fully stirred into water, water is added in the oil phase, the about 30min of high-speed stirred gets emulsion liquid, promptly gets 10% tebufenpyrad. the fenbutatin oxide aqueous emulsion.
This embodiment preparation is used to prevent and treat the apple orchard panonychus ulmi.The control of employing spray-on process.Panonychus ulmi female one-tenth mite in field is more during dispenser.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, was shown in Table 4.
Table 4 tebufenpyrad, fenbutatin oxide and mixture thereof are to the control efficiency of panonychus ulmi
As shown in Table 4, after tebufenpyrad and fenbutatin oxide were composite, the more single agent of complex preparation was used separately, and the control efficiency of panonychus ulmi is increased significantly; Complex preparation uses separately than the agent of fenbutatin oxide list, and the agricultural chemicals dosage reduces, and can effectively reduce harmful effect and residue of pesticide to environment.
Embodiment 6:20% tebufenpyrad. the compound method of fenbutatin oxide suspending agent and medicament field trial
Tebufenpyrad (active ingredient) 2%
Fenbutatin oxide (active ingredient) 18%
Neopelex (wetting agent) 1%
Calcium lignosulfonate (dispersant) 2%
Methylcellulose (tackifier) 2%
Bentonite (stabilizing agent) 3%
Ethylene glycol (antifreezing agent) 1%
The deionized water surplus
By the prescription requirement, the amount of above each component by prescription mixed, after grinding and/or high speed shear, obtain 20% tebufenpyrad. the fenbutatin oxide suspending agent.
This embodiment preparation is used to prevent and treat the Tetranychus cinnabarinus on the cotton.The control of employing spray-on process.The field Tetranychus cinnabarinus becomes mite more during dispenser.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, was shown in Table 5.
Table 5 tebufenpyrad, fenbutatin oxide and mixture thereof are to the control efficiency of Tetranychus cinnabarinus
As shown in Table 5, after tebufenpyrad and fenbutatin oxide were composite, the more single agent of complex preparation was used separately, and the control efficiency of Tetranychus cinnabarinus is increased significantly; Complex preparation uses separately than the agent of fenbutatin oxide list, and dosage reduces, and can effectively reduce harmful effect and residue of pesticide to environment.
Embodiment 7:21% tebufenpyrad. the compound method of fenbutatin oxide wetting powder
Tebufenpyrad (active ingredient) 1%
Fenbutatin oxide (active ingredient) 20%
Calcium lignosulfonate (dispersant) 10%
Lauryl sodium sulfate (wetting agent) 3%
Potter's clay (carrier) surplus
Take by weighing various compositions such as tebufenpyrad, fenbutatin oxide by weight, through drying, the cooling of filler; Being mixed of filler, former medicine, auxiliary agent, levigate, mix and promptly make 21% tebufenpyrad. the fenbutatin oxide wetting powder.
Embodiment 8:81% tebufenpyrad. the compound method of fenbutatin oxide water dispersible granule
Tebufenpyrad (active ingredient) 1%
Fenbutatin oxide (active ingredient) 80%
Calcium lignosulfonate (dispersant) 10%
Lauryl sodium sulfate (wetting agent) 3%
Urea (disintegrant) 3%
White carbon (filler) surplus
By the prescription requirement, take by weighing various compositions such as tebufenpyrad, fenbutatin oxide, elder generation mixes and through comminution by gas stream, adopts extruder grain again, makes 81% tebufenpyrad after oven dry is sieved. fenbutatin oxide water dispersible granule.
Claims (6)
1. miticide composition is characterized in that active ingredient is made up of tebufenpyrad and fenbutatin oxide, and wherein the mass ratio of tebufenpyrad and fenbutatin oxide is 50: 1～1: 80.
2. miticide composition according to claim 1, the mass ratio that it is characterized in that active ingredient tebufenpyrad and fenbutatin oxide is 5: 1～1: 20.
3. miticide composition according to claim 1 and 2 is characterized in that being mixed with in the practical application missible oil, microemulsion, aqueous emulsion, suspending agent, wetting powder, water dispersible granules.
4. miticide composition according to claim 3, the quality percentage composition that it is characterized in that active ingredient in the composition is 1%～90%.
5. miticide composition according to claim 1 and 2 is characterized in that being used to prevent and treat the harmful mite on the plant.
6. according to claim 5, it is characterized in that composition is used to prevent and treat panonychus citri, panonychus ulmi.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102870782A (en) * | 2012-10-29 | 2013-01-16 | 南京扬子鸿利源化学品有限责任公司 | Tebufenpyrad pesticide effect-enhancing water emulsion and preparation method thereof |
-
2009
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102870782A (en) * | 2012-10-29 | 2013-01-16 | 南京扬子鸿利源化学品有限责任公司 | Tebufenpyrad pesticide effect-enhancing water emulsion and preparation method thereof |
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Application publication date: 20100217 |