CN102405914B - Synergistic mite killing composition containing cyflumetofen and clofentezine - Google Patents
Synergistic mite killing composition containing cyflumetofen and clofentezine Download PDFInfo
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- CN102405914B CN102405914B CN 201110371402 CN201110371402A CN102405914B CN 102405914 B CN102405914 B CN 102405914B CN 201110371402 CN201110371402 CN 201110371402 CN 201110371402 A CN201110371402 A CN 201110371402A CN 102405914 B CN102405914 B CN 102405914B
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- clofentezine
- cyflumetofen
- mite killing
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Abstract
The invention relates to a synergistic mite killing composition containing cyflumetofen and clofentezine, wherein the mass ratio of cyflumetofen to clofentezine is 10:1-1:10. The synergistic mite killing composition is suitable for preventing and treating various pest mites in agricultural field; combination of two active ingredients enables obvious synergic effect, thereby the preventing and treating effects can be enhanced, the pesticide application amount is reduced, the cost is reduced and the environmental pollution is reduced. The synergistic mite killing composition is in favor of resistance management of pest mites, and has large economic benefit and social benefit for popularization and application.
Description
Technical field
The present invention relates to miticide composition, is take cyflumetofen and clofentezine as active ingredient, is used for the control Agricultural Mites.
Background technology
The mite class is commonly called as two spotted spider mite, belongs to arachnoide pest, and common harmful mite belongs to Acariformes and Acarina more, is one of the important pests of various crop that causes harm.Leaf, stem and flower etc. that the mite class causes harm plant sting the cauline leaf of inhaling plant, are to common are the evil biology on fruit tree, cotton, solanaceous vegetable and ornamental flower.There is the yellowish-brown point of a large amount of needle points size chlorosis in initial stage leaf front, and anaphase blade a large amount of chlorosis is from the bottom up crispaturaed and come off, and causes a large amount of fallen leaves.Sometimes begin to occur from plant middle part blade, blade is flavescence gradually.The mite evil occurs from generation to generation many, and fertility is strong, and under suitable temperature and humidity conditions, acarid quantity can increase rapidly within a short period of time exponentially, works the mischief to crops.Its to acaricide agent easily develop immunity to drugs, if the evil mite seriously occurs again less than timely control, the blade of the crop that is injured is understood chlorosis and is turned white, withering and falling in advance works the mischief to crops.
In the past, China is less for the specialized acaricide of control mite class, and control efficiency is undesirable.In order to retrieve the crop yield loss as far as possible, all need a large amount of agricultural chemicals to carry out control of pest mite every year.Yet indiscriminate use of pesticide makes insect produce more and more serious pesticide resistance to agricultural chemicals, causes the control efficiency reduced year by year, and environment has also been caused certain pollution.
Cyflumetofen, english common name Cyflumetofen is the novel acyl group acetonitrile class miticide by Japan large tomb chemical company exploitation, with existing insecticide without cross resistance.Got permission to register and sell in Japan first in 2007, and be used for control on the crops such as fruit tree, vegetables, tea tree and flowers and parasitize all kinds of harmful mite on plant.
Clofentezine, english common name Clofentezune, Main Function if mite is also had certain effect, can be suppressed to the egg laying amount of mite and the incubation rate of ovum in the mite ovum.This medicine lasting medicine generally can reach 50
～60 days.But it is to becoming the mite weak effect, act on slowlyer, generally 2 weeks just can reach the highest preventive effect after medicine, therefore, should not single dose directly use.
Being mixed of different pesticide species is the common methods of the agriculture resistant insect of control.Screening by formulation of pesticide, filter out rational formula, can effectively improve actual control efficiency, reduce dosage, reduce costs, delay the generation of pest resistance to insecticide, extend the service life of medicament, is the important means of integrated pest management.The inventor finds that cyflumetofen and the composite control to the mite class of clofentezine have synergistic function on the basis of a large amount of indoor virulence screenings and field medicine effect test.
Summary of the invention
The object of the present invention is to provide a kind of miticide composition that contains cyflumetofen and clofentezine, said composition has obvious synergistic effect.
Another object of the present invention is to this miticide composition is used for preventing and treating all kinds of harmful mites.This miticide composition obviously improves the control efficiency of various harmful mites, can reduce dosage simultaneously, delays the drug-fast generation of evil mite; Environmental contamination reduction is reduced farmer's burdens.
Technical scheme of the present invention: take cyflumetofen and clofentezine as active ingredient, the ratio of quality and the number of copies of cyflumetofen and clofentezine is 10
:1～1
:10, all the other are to allow in agricultural chemicals to use and the acceptable auxiliary element.
Composition pesticide of the present invention can adopt known method to be prepared into any one formulation that is fit to the upper use of agricultural, and reasonable formulation is suspending agent, water dispersible granules, aqueous emulsion.
The auxiliary agent that uses in the present composition comprises that solvent, dispersant, stabilizing agent, emulsifier, antifreezing agent, thickener etc. and other are of value to the known substance of active ingredient stable and performance drug effect in preparation, all various compositions commonly used in pesticidal preparations or that permission is used, be not particularly limited, concrete composition and consumption require to determine by simple test according to formula.
Product described in the invention can finished product preparation form provide, namely in composition, each material mixes.The composition of composition also can single dose form provide, directly mix in tank or bucket before use, then be diluted to needed concentration.The frequency of administration of the present composition and amount of application change with weather condition and crop state variation, can reach the purpose of control by using suitable formulation.
Beneficial effect of the present invention is: 1, two kinds of active ingredient is composite has an obvious synergistic effect, has improved control efficiency.2, two kinds of active ingredients are composite, and there is not cross resistance in mechanism of action uniqueness, reduced the agricultural chemicals usage amount, thereby reduced cost and the pollution that has reduced environment, are conducive to the resistance management of evil mite, and it applies larger economic benefit and social benefit.
Technology origin of the present invention: in order effectively to prevent and treat all kinds of harmful mite that is on the rise, further understand the composite synergy types to the mite class of composition such as cyflumetofen and clofentezine, the inventor is to cyflumetofen and clofentezine is composite has carried out the test of a large amount of Toxicity Determination and be studied, and specifically is summarized as follows.
Test medicine adopts the 99% former medicine of cyflumetofen and the former medicine of 95% clofentezine; The examination worm is the cotton tetranychid that gathers from the field, if breed the first generation mite of hatching through indoor feeding.
Test method employing leaf disc spray (with reference to " NY/T 1154.13-2008 farm-chemical indoor determination test rule insecticide. the 13rd part: leaf disc spray ").Concrete operation method is as follows.
Each single dose and Mixed Pharmacy are arranged 5 different concentration gradients (on the basis of preliminary experiment result, if cotton tetranychid mite lethality is set by geometric progression) in 5%～90% scope.
Choose the consistent cotton leaf of growth, make the leaf dish with card punch, place a wet sponge piece in culture dish, put filter paper on it, foliation dish on filter paper, every ware are put 2 leaf dish, be inoculated on the leaf dish 20 of every leaf dish inoculations if select cotton tetranychid mite indoor feeding, healthy, that the length of time is consistent.
The culture dish that is connected to the leaf dish is placed under the potter spray tower, sprays under 50PSI pressure, spray amount is 1ml, take out culture dish after sedimentation 1min, then the culture dish that will process is put into the 12H/12H illumination box and is cultivated, and 48h checks dead borer population, calculates lethality.4 repetitions are established in every processing, and establish the clear water blank and process.
Carry out statistical analysis with the DPS statistical analysis software, calculate the LC of each medicament
50, estimate the insecticidal activity of each medicament.And method abundant according to Sun Yun calculated the co-toxicity coefficient (CTC value) of mixture.
Actual measurement toxicity index (ATI)=(standard medicament LC
50/ reagent agent LC
50) * 100.
The percentage composition of B in the percentage composition of A+B medicament toxicity index * mixture in theoretical toxicity index (TTI)=A medicament toxicity index * mixture.
Co-toxicity coefficient (CTC)=[mixture actual measurement toxicity index (ATI)/theoretical toxicity index (TTI) of mixture] * 100.
According to the NY/T11547.7-2006 insecticide synergy criteria for classifying: co-toxicity coefficient (CTC) 〉=120 shows as synergistic effect; Co-toxicity coefficient (CTC)≤80 shows as antagonism; 80＜co-toxicity coefficient (CTC)＜120 shows as summation action.
Result of the test sees Table 1.As can be seen from Table 1, cyflumetofen and clofentezine are 10 at ratio of quality and the number of copies
:1～1
:In 10 scopes, if obvious to the synergy of cotton tetranychid mite, co-toxicity coefficient is all greater than 120.
If table 1, cyflumetofen and the clofentezine indoor joint toxicity measuring to cotton tetranychid mite.
Embodiment
Below in conjunction with embodiment, content of the present invention is described in further detail, in embodiment, mentioned content is not limitation of the invention, material prescription select to suit measures to local conditions and on result without substantial impact.In these embodiments, unless otherwise indicated, all percentages all are weight percentage.
FORMULATION EXAMPLE 1:40% cyflumetofen clofentezine suspension agent.
Take 5% cyflumetofen, 35% clofentezine, 4% TERSPERSE 4894(U.S. Huntsman Corporation produces), 2% TERSPERSE 2500(U.S. Huntsman Corporation produces), 3% TERSPERSE 2425(U.S. Huntsman Corporation produces), 0.2% xanthans, 5% white carbon, 5% ethylene glycol, 0.2% benzoic acid, 0.5% silicone defoaming agent, deionized water add to 100%.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, with making 40% cyflumetofen clofentezine suspension agent after the sand mill sand milling.
This embodiment is used for the control European red mite.40% cyflumetofen clofentezine suspension agent is by 2000 times of dilution sprayings, and after medicine, 7 days control efficiency are 96.4%.20% cyflumetofen suspending agent is by 1000 times of dilution sprayings, and after medicine, 7 days control efficiency are 85.5%; 20% clofentezine suspension agent is by 1000 times of dilution sprayings, and after medicine, 7 days control efficiency are 32.8%.
FORMULATION EXAMPLE 2:20% cyflumetofen clofentezine aqueous emulsion.
Take 5% cyflumetofen, 15% clofentezine, 3% agriculture breast 2201#, 1.5% polyoxyethylene nonylphenol ether phosphate, 2% triphen ethyl-phenol polyoxyethylene ether phosphate, 2%Span-60#, 1% epoxychloropropane, 5% ethylene glycol, 18% dimethylbenzene, 0.3% xanthans, 0.5% Sodium Benzoate, deionized water adds to 100%.Above-mentioned raw materials makes 20% cyflumetofen clofentezine aqueous emulsion through mixing after high speed shear emulsification.
This embodiment is used for the control citrus red mite.20% cyflumetofen clofentezine aqueous emulsion is by 1500 times of dilution sprayings, and after medicine, 7 days control efficiency are 92.9%.20% cyflumetofen suspending agent is by 1000 times of dilution sprayings, and after medicine, 7 days control efficiency are 84.6%; 20% clofentezine suspension agent is by 1000 times of dilution sprayings, and after medicine, 7 days control efficiency are 59.0%.
FORMULATION EXAMPLE 3:80% cyflumetofen clofentezine water dispersible granule.
Taking 25% cyflumetofen, 55% clofentezine, 4%TERSPERSE 2700(U.S. Huntsman Corporation produces), 4% dispersing agent NNO, 4% Nekal BX, 3%K-12,5% white carbon, 5% sulphur ammonium, diatomite add to 100%.Above-mentioned raw materials namely makes 80% cyflumetofen clofentezine water dispersible granule through mixing, ultra micro air-flow crushing, granulation, drying, screening.
This embodiment is used for control cotton tetranychid.80% cyflumetofen clofentezine water dispersible granule is by 5000 times of dilution sprayings, and after medicine, 7 days control efficiency are 100%.20% cyflumetofen suspending agent is by 1000 times of dilution sprayings, and after medicine, 7 days control efficiency are 79.3%; 20% clofentezine suspension agent is by 1000 times of dilution sprayings, and after medicine, 7 days control efficiency are 50.9%.
Claims (3)
1. Synergistic mite killing composition that contains cyflumetofen and clofentezine, it is characterized in that: active ingredient is comprised of cyflumetofen and clofentezine, and the ratio of quality and the number of copies of cyflumetofen and clofentezine is 10:1～1:10.
2. a kind of Synergistic mite killing composition that contains cyflumetofen and clofentezine according to claim 1, is characterized in that formulation is suspending agent, water dispersible granules or aqueous emulsion.
3. a kind of Synergistic mite killing composition that contains cyflumetofen and clofentezine according to claim 1 and 2, is characterized in that for the various harmful mites of control on agricultural.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110371402 CN102405914B (en) | 2011-11-21 | 2011-11-21 | Synergistic mite killing composition containing cyflumetofen and clofentezine |
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|---|---|---|---|
| CN 201110371402 CN102405914B (en) | 2011-11-21 | 2011-11-21 | Synergistic mite killing composition containing cyflumetofen and clofentezine |
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| CN102405914B true CN102405914B (en) | 2013-06-26 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105746515B (en) * | 2012-03-31 | 2018-03-30 | 陕西韦尔奇作物保护有限公司 | A kind of composition pesticide containing cyflumetofen |
| CN102630691B (en) * | 2012-03-31 | 2016-08-03 | 陕西韦尔奇作物保护有限公司 | A kind of composition pesticide containing cyflumetofen |
| CN103493842B (en) * | 2013-10-11 | 2015-07-15 | 江苏龙灯化学有限公司 | Insecticidal composition |
| CN103719145B (en) * | 2013-12-30 | 2016-03-30 | 青岛崂乡茶制品有限公司 | A kind of tea tree insecticide |
| CN105379730B (en) * | 2015-12-31 | 2017-09-22 | 青岛瀚生生物科技股份有限公司 | The insecticidal/acaricidal agent that flufenzine is compounded with clofentezine |
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| JP3572483B2 (en) * | 2000-08-11 | 2004-10-06 | 大塚化学ホールディングス株式会社 | Acylacetonitrile compound, method for producing the same, and acaricide containing the compound |
| JP2005047847A (en) * | 2003-07-28 | 2005-02-24 | Otsuka Chemical Co Ltd | Acaricide |
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