CN103858900A - Insecticidal composition containing spirotetramat and chlorfenapyr - Google Patents
Insecticidal composition containing spirotetramat and chlorfenapyr Download PDFInfo
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- CN103858900A CN103858900A CN201210531416.7A CN201210531416A CN103858900A CN 103858900 A CN103858900 A CN 103858900A CN 201210531416 A CN201210531416 A CN 201210531416A CN 103858900 A CN103858900 A CN 103858900A
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- chlorfenapyr
- spiral shell
- ethyl ester
- worm ethyl
- shell worm
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Abstract
The invention relates to a pesticide insecticidal composition, which takes spirotetramat and chlorfenapyr as the effective components. Specifically, spirotetramat and chlorfenapyr are in a mass percentage of 1-80:80-1, and the content of spirotetramat and chlorfenapyr in the compound preparation is 1-80%. The compound pesticide composition provided by the invention can be prepared into missible oil, suspending agents, wettable powder, water dispersible granules, emulsions in water and other dosage forms by methods well known to technicians in the field. The insecticidal composition provided by the invention is suitable for controlling piercing-sucking mouthpart pests in vegetables and fruits, and is especially suitable for controlling aphids, whiteflies, mealybugs, scale insects, plant hoppers, thrips, and Empoasca pirisuga Matumura, etc.
Description
Technical field
The present invention relates to a kind of agricultural insecticide composition with synergistic effect, active ingredient is spiral shell worm ethyl ester and chlorfenapyr.
Background technology
The suckings pest such as aphid, plant hopper, thrips, scale insect have short, the feature such as breeding amount is large, generation overlap is obvious of breeding cycle, are easy to develop immunity to drugs.Owing to using in a large number year after year, above-mentioned insect has produced serious resistance for the medicament such as Imidacloprid, Acetamiprid.
Spiral shell worm ethyl ester, English name Spirotetramat, is the tetronic acid insecticides of Bayer company research and development, belongs to similar compound with insecticidal/acaricidal agent spiral shell mite ester and Spiromesifen.Spiral shell worm ethyl ester has unique function Characteristics; there is good two-way interior suction conductive performance, can in whole plant corpus, upwards move down, arrive at blade face and bark; the interior absorption of this uniqueness can be protected newborn stem, leaf and root, prevents ovum and the larval growth of insect.Its another one feature is that the lasting period is long, and the effective control that reaches 8 weeks can be provided.Spiral shell worm ethyl ester can effectively be prevented and treated various suckings pest, as aphid, plant hopper, thrips, mealybug, aleyrodid and scale insect etc.Applicable chief crop comprises, tealeaves, soybean, oranges and tangerines, tropical fruit tree, nut, grape, lupulus, potato and vegetables etc.Research shows that it has good selectivity to important beneficial insect as ladybug, syrphus fly and parasitic wasp.But the long-term use separately of spiral shell worm ethyl ester is easily developed immunity to drugs, and cost accounting is higher.
Chlorfenapyr, English name Chlorfenapyr, is a kind of new type heterocycle class desinsection of being developed by American Cyanamid Company, kills mite, nematocide.Along with the appearance of national replace of hypertoxic insecticides policy and the raising of people's environmental consciousness, as non-polluted farm product diseases and pests controlling recommend the representative of pesticide species, the application of the efficient chlorfenapyr of low toxicity is more and more extensive.Chlorfenapyr is a kind of preinsecticide, itself to insect without toxic action.After insect's food-taking or contact chlorfenapyr, in insect bodies, chlorfenapyr changes concrete insecticidal active compound under the effect of mixed-functional oxidase, and its target is the mitochondria in insect bodies cell.Cell is synthesized and stop vital functions because lacking energy, after laxative, pest activity dies down, and occurs spot, and color changes, and activity stops, and stupor is weak and limp, finally causes death.Because chlorfenapyr has good local conductivity in plant corpus, can conduct to another side from the one side infiltration of blade, therefore the back side of the blade that insect is taken food also can obtain same effect.
Summary of the invention
Based on above situation, the object of the present invention is to provide a kind of agricultural insecticide composition, this Pesticidal combination is characterized in that carrying out mixture take spiral shell worm ethyl ester (A) and chlorfenapyr (B) as active ingredient, prevents the various pests of crops.
Pesticidal combination of the present invention is characterized in that, the mass ratio of effective constituents A and B is 1～80: 80～1.
Pesticidal combination of the present invention is characterized in that, tests through toxicity test, and the mass ratio of effective constituents A and B is preferably 1～30: 30～1.
The formulation that described Pesticidal combination of the present invention can be prepared according to the known method of those skilled in the art of the present technique is the formulations such as missible oil, aqueous emulsion, suspending agent, wetting powder, water dispersible granules, microemulsion.
Described spiral shell worm ethyl ester and the chlorfenapyr gross mass content in preparation is 1 ~ 80%, preferably 1% ~ 30%.All the other compositions are in agricultural chemicals, to allow to use and acceptable auxiliary element.
The auxiliary agent (auxiliary element) using in bactericidal composition of the present invention comprises solvent, wetting agent, dispersant, antifreezing agent, thickener, defoamer, disintegrant, filler etc., and other are of value to active ingredient stable known substance of bringing into play with drug effect (being composition conventional in agricultural chemicals or that permission is used) in preparation, concrete composition and consumption, according to formula requirement, determine by normal experiment.
Described emulsifier is selected from any one or more mixtures with arbitrary proportion composition in calcium dodecyl benzene sulfonate and aliphatic acid polyethenoxy ether, alkylphenol polyoxyethylene sulfosuccinate, styrylphenol polyoxyethylene ether, polyoxyethylene nonylphenol ether, castor oil polyoxyethylene ether, aliphatic acid polyethenoxy base ester, polyoxyethylene aliphatic alcohol ether.
Described solvent is any one or more mixed solvents with arbitrary proportion composition in dimethylbenzene or biodiesel, toluene, diesel oil, methyl alcohol, ethanol, n-butanol, isopropyl alcohol, turpentine oil, solvent naphtha, dimethyl formamide, dimethyl sulfoxide (DMSO), water equal solvent.
Described dispersant is selected from one or more in polycarboxylate, lignosulfonates, alkylphenol polyoxyethylene formaldehyde condensation products sulphate, alkyl benzene sulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol polyoxyethylene, aliphatic amine polyoxyethylene ether, polyoxyethylene carboxylate, fatty acid glyceride APEO.
Described wetting agent is selected from: lauryl sodium sulfate, calcium dodecyl benzene sulfonate, Nekal BX., one or more in wetting and penetrating agent F, alkylnaphthalene sulfonate, polyoxyethylene triphenylethylene phosphenylic acid salt, spaonin powder, silkworm excrement, soapberry powder.
Described disintegrant is selected from: one or more in bentonite, urea, ammonium sulfate, aluminium chloride, citric acid, succinic acid, sodium bicarbonate.
Described thickener is selected from: one or more in xanthans, CMC, hydroxyethylcellulose, methylcellulose, Magnesiumaluminumsilicate, polyvinyl alcohol.
Described stabilizing agent is selected from: the one in sodium citrate, resorcinol.
Described antifreezing agent is selected from: one or more in ethylene glycol, propane diols, glycerine.
Described defoamer is selected from: silicone oil, silicone compound, C
10-20saturated fat acid compounds, C
8-10one or more in aliphatic alcohols compound.
Described filler is selected from: one or more in kaolin, diatomite, bentonite, attapulgite, white carbon, starch, precipitated calcium carbonate.
Pesticidal combination of the present invention has very significantly synergistic effect, can reduce effective ingredient consumption, delays the generation of pest resistance to insecticide, and can be used for the improvement of resistant insect.Be particularly suitable for the sucking pest insect for preventing and treating vegetables and fruit, be especially suitable for anti-eliminating aphis, aleyrodid, mealybug, scale insect, plant hopper, thrips, tea lesser leafhopper etc.Pesticide dosage is low, is difficult for causing residual exceeding standard, and also has the feature that toxicity is low simultaneously, is conducive to environmental protection and produces non-polluted farm product.
Embodiment
Spiral shell worm ethyl ester proportioning co-toxicities different from chlorfenapyr
1.1 reagent agent
The former medicine of 95% spiral shell worm ethyl ester, the former medicine of 94.5% chlorfenapyr, above-mentioned former medicine provides by research and development centre of Qingdao Hailir Pesticides and Chemical Co., Ltd..
1.2 for examination worm source
Indoor potted apple seedling is raised the apple aphid adult in three ages in 10 generations, temperature (25 ± 2) continuously
oc, relative moisture 50% ± 4%, periodicity of illumination 1 4/1 0 h (L/D).
1.3 single dose assay methods
Adopt dip method that two former medicines are all used to a small amount of acetone solution, then be diluted to into 5 dense solution of equal difference with 0.1% Tween solution, be diluted in beaker with for subsequent use, and with clear water in contrast.By of the same size three age apple aphid adult in the liquid that soaks worm cage, flood 5S, be placed in the culture dish that diameter is 9 c m after sucking unnecessary liquid, in ware, be placed with fresh apple blade and add a cover.Every concentration is processed 10, repeats 4 times.If blank.In (27 ± 1) ℃ illumination box, keep checking lethality after 24 h, it is dead touching polypide nonresponder by pulling needle.Lethality Abbott formula correction, then according to concentration logarithm---lethality probit value is analyzed (Bliss) method, obtains virulence regression equation and puts dead middle amount LC
50value.
The joint toxicity measuring method of 1.4 different proportionings
According to the toxicity test result of single dose, be 20% quality than spiral shell worm ethyl ester by active ingredient: chlorfenapyr is respectively 3:17,5:15,10:10,15:5,17:3.Adopt above-mentioned 1.3 methods to carry out toxicity test, calculate LC
50, and press the abundant method of Sun Yun and calculate co-toxicity coefficient (CTC).Co-toxicity coefficient CTC, computing formula is as follows: (take spiral shell worm ethyl ester as standard medicament, its toxicity index is 100):
The LC of toxicity index (TI)=spiral shell worm ethyl ester of pleocidin
50the LC of/chlorfenapyr
50× 100
The LC of actual toxicity index (ATI)=spiral shell worm ethyl ester of M
50the LC of/M
50× 100
TI × P chlorfenapyr of TTI × P spiral shell worm ethyl ester+chlorfenapyr of theoretical toxicity index (TTI)=spiral shell worm ethyl ester of M
TTI × 100 of the ATI/M of co-toxicity coefficient (CTC)=M of M
In formula:
M be spiral shell worm ethyl ester from chlorfenapyr by the mixture of different proportionings
P chlorfenapyr is chlorfenapyr shared ratio in mixture
P spiral shell worm ethyl ester is spiral shell worm ethyl ester shared ratio in mixture
2.1 toxicity test results
table 1 spiral shell worm ethyl ester, the indoor measurement result of chlorfenapyr to apple aphid
As can be seen from the table, in the mixture of different proportion, its co-toxicity coefficient is all greater than 120, shows certain synergistic effect, wherein spiral shell worm ethyl ester: the synergistic effect that chlorfenapyr is 10:10 is the most obvious, and co-toxicity coefficient is 218.84.Result of the test shows, under indoor conditions, spiral shell worm ethyl ester, two kinds of medicaments of chlorfenapyr all have higher activity to apple aphid, the result of the test of different proportion proportioning shows, by active ingredient spiral shell worm ethyl ester: when chlorfenapyr is 3:17,5:15,10:10,15:5,17:3, all show stronger synergistic effect, wherein take spiral shell worm ethyl ester: chlorfenapyr is during as 10:10, and synergistic effect is best.
Claims (5)
1. a Pesticidal combination that contains spiral shell worm ethyl ester and chlorfenapyr.
2. Pesticidal combination according to claim 1, is characterized in that: the mass ratio of spiral shell worm ethyl ester and chlorfenapyr is 1 ~ 80:80 ~ 1.
3. Pesticidal combination according to claim 1, is characterized in that: spiral shell worm ethyl ester is 1 ~ 30:30 ~ 1 with the quality optimization ratio of chlorfenapyr.
4. Pesticidal combination according to claim 1, is characterized in that: active ingredient spiral shell worm ethyl ester and the total mass ratio of chlorfenapyr in composition are 1 ~ 80%, preferably than being 1 ~ 30%.
5. Pesticidal combination according to claim 1, is characterized in that: adopt the known technical scheme of those skilled in the art can be prepared into the formulations such as missible oil, suspending agent, wetting powder, water dispersible granules, aqueous emulsion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210531416.7A CN103858900A (en) | 2012-12-12 | 2012-12-12 | Insecticidal composition containing spirotetramat and chlorfenapyr |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210531416.7A CN103858900A (en) | 2012-12-12 | 2012-12-12 | Insecticidal composition containing spirotetramat and chlorfenapyr |
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| Publication Number | Publication Date |
|---|---|
| CN103858900A true CN103858900A (en) | 2014-06-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109221222A (en) * | 2018-09-20 | 2019-01-18 | 上海悦联生物科技有限公司 | A kind of compounding agricultural chemical composition and agricultural chemicals and application |
| CN111134126A (en) * | 2019-12-30 | 2020-05-12 | 青海省农林科学院 | Pesticide composition, preparation method and application thereof |
-
2012
- 2012-12-12 CN CN201210531416.7A patent/CN103858900A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109221222A (en) * | 2018-09-20 | 2019-01-18 | 上海悦联生物科技有限公司 | A kind of compounding agricultural chemical composition and agricultural chemicals and application |
| CN111134126A (en) * | 2019-12-30 | 2020-05-12 | 青海省农林科学院 | Pesticide composition, preparation method and application thereof |
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Application publication date: 20140618 |