CN101263824A - Insecticidal composition - Google Patents
Insecticidal composition Download PDFInfo
- Publication number
- CN101263824A CN101263824A CNA2007101945732A CN200710194573A CN101263824A CN 101263824 A CN101263824 A CN 101263824A CN A2007101945732 A CNA2007101945732 A CN A2007101945732A CN 200710194573 A CN200710194573 A CN 200710194573A CN 101263824 A CN101263824 A CN 101263824A
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- CN
- China
- Prior art keywords
- acetamiprid
- carbosulfan
- weight portions
- rice
- active component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses an insecticidal composition, which is characterized by comprising the following components: the active component acetamiprid and the active component carbosulfan are mixed according to the weight ratio of 1: 0.05-30. The composition can be widely applied to crops such as cereal crops, rice, corn, cotton, vegetables, fruit trees and the like, has positive effects on preventing and treating sucking mouthparts pests such as hemiptera, thysanoptera, homoptera, diptera and the like which are harmful to the growth of the crops, such as stinkbugs, thrips, cicadas, leafhoppers, plant hoppers, whiteflies, psyllids, aphids, scale insects, wheat midges, rice gall midges, mites and the like, and has obvious effect of synergism. The invention is different from other pesticides in the prior art.
Description
Technical field
The present invention relates to a kind of Pesticidal combination, it contains Acetamiprid and carbosulfan as active component, prevents and treats the insect on the agricultural.
Technical background
Acetamiprid is the pyridines insecticide, has to tag and stomach poison function, and has certain systemic activity.Generally be used for crops such as fruit tree, vegetables, melon, tobacco, potato, strawberry, tea tree, paddy rice, can effectively prevent eliminating aphis, leafhopper, aleyrodid, scale insect etc.Its mechanism of action uniqueness to the insect that organic phosphor, pyrethroid pesticide develop immunity to drugs, uses this medicine also to have better effects.
Carbosulfan is a carbamate chemicals for agriculture, i.e. the low derivative that poisons of carbofuran (furans pellet) agricultural chemicals belongs to highly effective and safe, interior absorption, killing insects by touching miticide easy to use, is one of comparatively ideal alternative kind of highly toxic pesticide carbofuran.
In recent years, crops are because damage by disease and insect causes crop yield loss to increase just year by year, the current chemical agent of using is the most effectively means of preventing and treating agricultural pest, after the contour malicious agricultural chemicals of acephatemet is withdrawn from the market, some conventional dose such as Imidacloprid become the main medicament of control agricultural insect pest, but this field efficacy in several years shows, because the single repetition of chronic administration and single-mindedly use a kind of reactive compound to come pest control to cause the fast selective of insect under many circumstances be pesticide resistance, especially the common sucking pest on the agricultural, as rice fulgorid, two-spotted spider mite etc., this class pest has produced certain pesticide resistance (the paddy rice brown planthopper having been produced bigger resistance as Imidacloprid) to current conventional dose, directly causes preventive effect to reduce.Optionally dangerous for reducing resistant insect, present normally used method is that the mixture that filters out the compound of different activities comes pest control, but the delaying drug resistance generation improves control efficiency, reduces amount of application, reduces the control cost.
Summary of the invention
The objective of the invention is at the deficiency in the existing insecticide practical application, by Acetamiprid and carbosulfan are made up, a kind of insecticides with synergistic effect is provided, characteristics such as make that it has efficiently, low toxicity, synergy are strong, thus enlarging insecticidal spectrum, delaying aspect such as pest resistance and obtain better effect.There is not cross resistance between Acetamiprid and the carbosulfan.
Particularly, the invention provides a kind of insecticides of binary built, promptly a kind of Pesticidal combination that comprises Acetamiprid and carbosulfan as active component.The present invention also provides the preparation method and the application of above-mentioned composition in addition.
Concrete scheme of the present invention is: a kind of Pesticidal combination with synergistic effect, comprise active component Acetamiprid and active component carbosulfan, Acetamiprid and carbosulfan percentage by weight are 1: (0.05～30), preferred 1: (0.8～20), particularly 1: in the scope of (1～10).
Mixture of the present invention uses with the form of composition, active component accounts for the 5-95% of agricultural chemicals gross weight, usually use with usual auxiliaries such as other solvents, carrier, surfactant, synergist during use, these conventional pesticide auxiliary agents all are known in pesticide field.
The solvent that is suitable for inventing is alternative to be had: aromatic hydrocarbon, preferably contain 8-12 carbon atom, as the benzene of xylene mixture or replacement, phthalate is sad as Dibutyl phthalate or phthalandione two, fat hydrocarbon, as cyclohexane or paraffin, pure and mild ethylene glycol and their ether and ester are as ethanol, ethylene glycol, the glycol monomethyl methyl; Ketone, as cyclohexanone, the solvent of strong polarity, as the N-N-methyl-2-2-pyrrolidone N-, dimethyl sulfoxide (DMSO) or dimethyl formamide and vegetable oil or vegetable oil are as soybean oil.
Be suitable for solid carrier of the present invention, but as be used for the normally natural minerals filler of pulvis and dispersant, for example talcum, kaolin, montmorillonite or atlapulgite.For the managing physical performance also can add polymolecularity silicic acid or polymolecularity adsorpting polymerization thing.Suitable granular absorption carrier is a porous type, as float stone, bentonite or bentonite; Suitable non-absorption carrier is for example calcite or sand.In addition, can use being prefabricated into of a large amount of inorganic in nature or organic character granular material, particularly dolomite.
Suitable synergist can be one or both compositions in Butacide, synergy phosphorus, Octachlorodipropyl Ether, nitrogen, ketone, alkylphenol polyoxyethylene, the fatty alcohol-polyoxyethylene ether
The chemical property of two components according to the present invention, suitable surfactant is a lignin sulfonic acid, naphthalene sulfonic acids, phenolsulfonic acid, the alkali metal salt of dibutyl naphthalene sulfonic acids, alkali salt and amine salt, alkylaryl sulfonates, alkyl sulfate, alkylsulfonate, alkylsulfonate, aliphatic alcohol sulfate, fatty acid and sulphated fatty alcohol glycol ether, the condensation product that also has sulfonated naphthalene and naphthalene derivatives and formaldehyde, the condensation product of naphthalene or naphthalene sulfonic acids and phenol and formaldehyde, NONIN HS 240, ethoxylation isooctylphenol, octyl phenol, nonyl phenol, alkylaryl polyglycol ether, tributyl benzene polyglycol ether, three stearyl phenyl polyglycol ethers, alkyl aryl polyether alcohol, ethoxylated castor oil, polyoxyethylene alkyl ether, the ethylene oxide condensation product, the ethoxylation polyoxypropylene, lauric acid polyglycol ether acetal, sorbitol ester, lignin sulfite waste liquor, methylcellulose, the newborn 500# of farming, newborn 1600# of farming and glycerine.
Composition of the present invention can use with constant form, perhaps preferably with the configuration technology in normally used additive use, therefore these compounds can be configured in known manner, for example make wetting powder, water dispersible granules, missible oil, microemulsion, granule.According to the character that these compositions had, can select as spraying, atomizing according to the purpose that will reach and ambient conditions, broadcast sowing, bold and vigorous application process of watering etc. and so on.
Composition as solid form, having of can mentioning is following several: (content of its active component is generally than higher for water dispersible granules, usually between 30%～95%), normally prepared by the agglomeration of wettable powder type composition in suitable granular system, make this formulation.
Wetting powder is general to be prepared with such method, promptly so that it contains 20～90% active component is as the criterion, except that solid carrier, they generally contain 0～7% wetting agent, 3～10% dispersant in case of necessity, contains 0～10% one or more other additive again.As dyestuff, colouring agent, bleeding agent, adhesive or anti-caking agent etc.
Granule can prepare with following method, will contain the active component of 5～40 weight portions, the stabilizing agent of 0.1～45 weight portion, and the carrier of 12～90 weight portions is formed.There is no particular limitation to be suitable for prilling process of the present invention, can be the conventional method of selecting to make pesticide granules, as conventional method, can enumerate dry granulation, stir granulation, push granulation etc., especially, utilize the extruding granulation can make granule easy and at an easy rate.
Missible oil is by 3～45 weight portion active substances are dissolved in the organic solvent, as, aromatic series that butanols, cyclohexanone, dimethyl formamide, dimethylbenzene or boiling point are higher or hydrocarbon or add one or more ionics and/or the ORGANIC SOLVENT MIXTURES of nonionic surface active agent (emulsifier).The example of operable emulsifier has: calcium salt of alkarylsulphonic acid (as calcium dodecyl benzene sulfonate) or nonionic emulsifier (as fatty acid polyethylene glycol ester etc.).
Microemulsion can prepare with following method, is made up of the active component of 3～20 weight portions, surfactant and a certain amount of water of 1～20 weight portion, must add proper amount of solvent, cosolvent, stabilizing agent and synergist sometimes as required.
Composition active ingredient amount of application of the present invention is 40～1000 gram/hectares normally, preferred 60～650 gram/hectares.
The method for optimizing of using the present composition comprises the position that composition of the present invention is used for the plant growing needs, and particularly leaf portion (foliage applying) also can adopt the method for dressing seed or irritating root.Frequency of utilization and amount of application depend on the biology and the weather life condition of pathogene.
Composition of the present invention can be widely used in the sucking pest that the control agricultural goes up the damage to crops growth, comprising: wheat (as wheat midge), paddy rice (as thrips, leafhopper, rice fulgorid, rice gall midge, scotinophora lurida), cotton (as cotten aphid, Tetranychus cinnabarinus, cotton leaf bug, cotton leafhopper), fruit tree (as aphid, aleyrodid, wood louse, aphid, scale insect).For the coleoptera on the agricultural (as rice water weevil, flea beetle, wireworm), direct order (oryza chinensis, mole cricket, cricket), Lepidoptera pests with chewing mouthparts such as (as leaf miner, rice borers) the better prevention effect is arranged also in addition.
Advantage of the present invention and good effect are: (1), quick-acting, high efficiency: the field demonstration test by repeatedly shows, when 1000～2000 times in insecticide of the present invention is used, the preventive effect that demonstrates after 36 hours cotten aphid reaches more than 90%, shows quick-acting and high efficiency preferably; (2), safety is good: Acetamiprid and carbosulfan are easily degraded in environment, are difficult for contaminated environment, and be environmentally safe, simultaneously to people and animals' low toxicity, to crop safety, meet the needs of current redgreen pollution-less agriculture development; (3), the lasting period is long: the field is the demonstration test result show, uses insecticide of the present invention when using for 1000～2000 times, and the 8th day preventive effect to cotten aphid still reaches more than 95% behind the medicine, demonstrates lasting effect preferably; (4), the mechanism of action uniqueness, the compound synergic effect is remarkable.There is not the cross resistance problem between Acetamiprid and the carbosulfan, has higher synergistic effect by the composite insecticide that forms of the present invention, and the preparation stable performance also has certain control efficiency for resistant insect, has reached the purpose that overcomes and delay the pesticide resistance generation; (5), the active component in of the present invention belongs to the low toxicity characteristic in practical application, along with the enforcement of China's forbidding severe toxicity, high-toxic pesticide measure, composition of the present invention will become one of acephatemet, substitute that the red contour malicious agricultural chemicals of furans is the most suitable.
Following embodiment and unrestricted the present invention, and be used for just illustrating how the present invention realizes in actual applications.
Embodiment
One, formulation prepares embodiment
1,55% wetting powder
Acetamiprid 4.0 weight portions
Carbosulfan 51.0 weight portions
Sodium butylnaphthalenesulfonate 1.0 weight portions
Sodium lignin sulfonate 6.0 weight portions
Epoxidised soybean oil 2.0 weight portions
The kaolin surplus
Above-mentioned substance is evenly mixed, adopt comminution by gas stream processing, make described wetting powder.
2,20% wetting powder
Acetamiprid 8.0 weight portions
Carbosulfan 12.0 weight portions
Sldium lauryl sulfate 2.0 weight portions
Sodium lignin sulfonate 6.0 weight portions
Ethylene glycol 2.0 weight portions
Alkylphenol polyoxyethylene 1.0 weight portions
The kaolin surplus
Step according to identical with example of formulations 1 prepares described preparation.
3,28% missible oil
Acetamiprid 4.0 weight portions
Carbosulfan 16.0 weight portions
Calcium dodecyl benzene sulfonate 1.0 weight portions
N-Methyl pyrrolidone 6.0 weight portions
Epoxidised soybean oil 2.0 weight portions
The dimethylbenzene surplus
4,75% water dispersible granules
Acetamiprid 67.0 weight portions
Carbosulfan 8.0 weight portions
Methylcellulose 4.0 weight portions
Saponin 5.0 weight portions
Polyvinyl alcohol 2.0 weight portions
The kaolin surplus
Above-mentioned substance is evenly mixed, grinds, mixes suitable quantity of water and granulation, promptly get this formulation after the drying.
5,10% microemulsion
Acetamiprid 4.0 weight portions
Carbosulfan 6.0 weight portions
Dimethylbenzene 5.0 weight portions
Polyphosphoric acids 5.0 weight portions
Epoxidised soybean oil 11.0 weight portions
Polyoxyethylene aliphatic alcohol ether 10.0 weight portions
Water surplus
Acetamiprid and carbosulfan are dissolved in the dimethylbenzene, under agitation in the solution of gained, add polyoxyethylene aliphatic alcohol ether and epoxidised soybean oil, continue to stir and add entry, as clear as crystal up to liquid, get described microemulsion.
6,88% granule
Acetamiprid 18.0 weight portions
Carbosulfan 70.0 weight portions
Newborn 500# 4.0 weight portions of farming
Newborn 1600# 5.0 weight portions of farming
Draw back powder 8.0 weight portions
Calcium stearate 2.0 weight portions
The diatomite surplus
Above-mentioned substance is evenly mixed, stirs, mix an amount of water and mediate, the mixture of gained through granulation, drying get final product said preparation.
Two, field efficacy demonstration test
1, utilize the preparation of example of formulations 4 (75% water dispersible granules) to verify its control efficiency to cotten aphid.The test of pesticide effectiveness is established 6 processing, blank altogether, and each is handled and repeats 4 times, and totally 24 processing are in cotten aphid occurrence in peak period cotton strain even spraying.Every processing sub-district is got 5 points immediately, demarcates the cotton seedling of 10 strains at every, investigation insect population radix before the dispenser, and each investigation in 2 days, 8 days is once put down in writing residual borer population alive respectively after the dispenser, calculates go down rate and proofread and correct preventive effect of insect population.Investigation simultaneously has or not symptom of chemical damage for studying thing.Determine the safety of medicament.
Pe in the formula: the worm difference alive (representing) before and after the treatment region control with percentage
Pck: population increases or reduces percentage before and after the control of check plot.
±: when the check plot population increases with "+" number, when the check plot population reduces with "-" number.
From result of the test (table 1) as can be seen, what second day preventive effect was best behind the medicine is 28% pyridine fourth missible oil (1000 times), and preventive effect is 95.54%, and the action effect of two single agent is slow, show by the composite of Acetamiprid and carbosulfan to significantly improve its quick-acting, synergistic effect is obvious.Duration of test is observed, and cotton does not have any symptom of chemical damage, and test medicine is to cotton safety.
Table 1 control cotten aphid field efficacy demonstration test result (behind the medicine 2 days)
Annotate: data are 4 repetition mean values in the table.
Table 2 control cotten aphid field efficacy demonstration test result (behind the medicine 8 days)
Annotate: data are 4 repetition mean values in the table.
2, utilize 10% pyridine fourth microemulsion control European red mite field control effectiveness test
Test fixedly fruit tree 3 strains of every treatment region, on every individual plant is got at random before dispenser, in, each 10 pieces of lower blades, totally 30 pieces, look into the ovum of number and record two spotted spider mite, nymph, adult quantity, 3,7 days residual borer populations alive of investigation after the dispenser, calculate go down rate and proofread and correct preventive effect of insect population, result of the test following (table 3) is from result of the test, behind the medicine 3,7 days, composition 10% pyridine fourth microemulsion preventive effect of the present invention preventive effect when 2000-1000 times of dilution all will be higher than two single agent.
Table 3 control European red mite field control effectiveness test result
Annotate: data are 4 repetition mean values in the table.
3, biological Examples 3 indoor determination of activity preparations are implemented the synergistic effect of 1 (55% wetting powder), 4 (75% water dispersible granules), 5 (10% microemulsions).
Measure insecticide Acetamiprid, fourth sulphur gram prestige and Different Weight thereof the lethal concentration of 50 (LC with Sun Yunpei (1960) co-toxicity coefficient method than recombination
50), then with the LC of two single agent
50Be the basis, obtain the co-toxicity coefficient of several combinations.Criterion be co-toxicity coefficient significantly greater than 100 for synergy, less than 100 be antagonism, equaling 100 is addition.The result is as shown in table 4:
Table 4 Acetamiprid and fourth sulphur gram prestige composition are to the synergistic effect of rice hoppers
| Chemicals treatment | The virulence curve | Correlation coefficient | EC50(μg/ml) | Co-toxicity coefficient |
| Acetamiprid (A) | Y＝0.6604+2..2629X | 0.8791 | 5.2745 | - |
| Carbosulfan (B) | Y＝1.3668+1.5821X | 0.8541 | 7.1028 | - |
| Implement 1 (55% wetting powder (1: 12.8) | Y＝2.9153+2.8651X | 0.8207 | 1.2832 | 187.5 |
| Implement 4 (75% water dispersible granules (8.4: 1) | Y＝2.8854+1.1256X | 0.8492 | 2.0893 | 145.2 |
| Implement 5 (10% microemulsion) (1: 1.5) | Y＝2.3512+1.6213X | 0.8577 | 2.2741 | 130.8 |
By last table 4 as seen, preparation enforcement 1 (55% wetting powder) of the present invention, 4 (75% water dispersible granules), 5 (10% microemulsion) co-toxicity coefficient all are significantly higher than 100, have significant synergies.
4, the field trial of utilizing embodiment 6 (88% granule) to prevent and treat rice water weevil
Test medicine in this test, contrast medicament and blank totally 6 processing repeat respectively 4 times, totally 24 sub-districts, randomized arrangement, 67 square metres of every replicated plot areas.The experimental plot is built mud ridge 15-20cm in advance, and the water that prevents to go here and there influences drug effect.Be in to lead at rice water weevil and fly the hazard boom phase.Use the spraying of backpack conventional spray device during dispenser.Operation is normal, the basic zero deflection of dispenser.In behind the medicine 2 days, 9 days respectively in the morning 9 investigation in the past once before dispenser, investigate rice water weevil quantity radix.Calculate go down rate and proofread and correct preventive effect of insect population.Investigation simultaneously has or not symptom of chemical damage for studying thing, determines the safety of medicament.
From result of the test, composition of the present invention (75% pyridine fourth water dispersible granules) control efficiency of 2 days, 9 days behind control rice water weevil medicine all will be significantly higher than two single agent, illustrate that said composition prevents and treats rice water weevil and have synergistic effect.Composition of the present invention any symptom of chemical damage of water breakthrough rice not in the test measurement scope, the safety to paddy rice when using is very high.
Table 3 control rice water weevil field control effectiveness test result
Annotate: data are 4 repetition mean values in the table.
Claims (3)
1, a kind of Pesticidal combination, it is characterized in that containing active component Acetamiprid and carbosulfan, percentage by weight between two active components is 1: between (0.05～30), the accumulating weight of Acetamiprid and carbosulfan is than the 5-95% that accounts for medicament gross weight ratio.
2, according to the Pesticidal combination of claim 1, the weight ratio that it is characterized in that Acetamiprid and carbosulfan is 1: (0.8～20).
3,, it is characterized in that the processing formulation of described Pesticidal combination comprises: wetting powder, water dispersible granules, granule, microemulsion, the agent of kind clothing or missible oil according to the Pesticidal combination of right 1.
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| CNA2007101945732A CN101263824A (en) | 2007-11-25 | 2007-11-25 | Insecticidal composition |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110039705A1 (en) * | 2008-04-25 | 2011-02-17 | Yoshihisa Endo | Granular agrochemical composition and method of producing the same |
| CN101444224B (en) * | 2009-01-09 | 2011-08-24 | 河南科技学院 | A compound insecticide |
| CN105010315A (en) * | 2015-08-18 | 2015-11-04 | 天津市汉邦植物保护剂有限责任公司 | Dispersable oil suspending agent containing acetamiprid and carbosulfan and application |
-
2007
- 2007-11-25 CN CNA2007101945732A patent/CN101263824A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110039705A1 (en) * | 2008-04-25 | 2011-02-17 | Yoshihisa Endo | Granular agrochemical composition and method of producing the same |
| CN101444224B (en) * | 2009-01-09 | 2011-08-24 | 河南科技学院 | A compound insecticide |
| CN105010315A (en) * | 2015-08-18 | 2015-11-04 | 天津市汉邦植物保护剂有限责任公司 | Dispersable oil suspending agent containing acetamiprid and carbosulfan and application |
| CN105010315B (en) * | 2015-08-18 | 2017-10-31 | 天津市汉邦植物保护剂有限责任公司 | It is a kind of containing Acetamiprid and the dispersible oil-suspending agent of carbosulfan and application |
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