CN101524083A - Insecticidal composition containing nitenpyram and imidacloprid - Google Patents
Insecticidal composition containing nitenpyram and imidacloprid Download PDFInfo
- Publication number
- CN101524083A CN101524083A CN200910031088A CN200910031088A CN101524083A CN 101524083 A CN101524083 A CN 101524083A CN 200910031088 A CN200910031088 A CN 200910031088A CN 200910031088 A CN200910031088 A CN 200910031088A CN 101524083 A CN101524083 A CN 101524083A
- Authority
- CN
- China
- Prior art keywords
- imidacloprid
- nitenpyram
- composition
- control
- insect
- 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
Links
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- YWTYJOPNNQFBPC-UHFFFAOYSA-N imidacloprid Chemical compound [O-][N+](=O)\N=C1/NCCN1CC1=CC=C(Cl)N=C1 YWTYJOPNNQFBPC-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 229940056881 imidacloprid Drugs 0.000 title claims abstract description 41
- CFRPSFYHXJZSBI-DHZHZOJOSA-N (E)-nitenpyram Chemical compound [O-][N+](=O)/C=C(\NC)N(CC)CC1=CC=C(Cl)N=C1 CFRPSFYHXJZSBI-DHZHZOJOSA-N 0.000 title claims abstract description 40
- 229940079888 nitenpyram Drugs 0.000 title claims abstract description 40
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Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses an insecticidal composition containing nitenpyram and imidacloprid, which has higher synergistic interaction effect, overcomes and delays the drug resistance of pests, enlarges the control spectrum, and has the characteristics of high insecticidal speed, low drug cost and the like. The composition is prepared by taking nitenpyram and imidacloprid as active ingredients and a proper amount of pesticide auxiliary agents or carriers, wherein the weight ratio of the nitenpyram to the imidacloprid is 0.1-40: 0.1-40. The composition can be widely applied to cereal crops, rice, cotton, vegetables, fruit trees and other crops to control various pests.
Description
Technical field
The present invention relates to a kind of Pesticidal combination, especially a kind of by Nitenpyram and Imidacloprid Pesticidal combination as active component.
Technical background
Crops are because damage by disease and insect causes crop yield loss to estimate, and chemical control then is the main path that the control damage by disease and insect takes place, and all needs to use a large amount of agricultural chemicals every year for this reason and carries out the extermination of disease and insect pest to retrieve crop yield loss.In recent years, the harm of insect pest on crops such as paddy rice, fruit tree, vegetables, flowers and diversified economy crop is more and more serious, and because the agricultural chemicals abuse makes insect also more and more serious to the resistance of the generation of agricultural chemicals, causes pest controling effect to reduce year by year.Therefore, the pesticide species that still just needs better pest controling effect.
Characteristics such as Nitenpyram has efficiently, low toxicity, interior suction, no cross resistance, be good Homoptera and Semiptera control of insect medicament, can be widely used in the various rice fulgorids of control, aphid, thrips, trialeurodes vaporariorum, Bemisia tabaci, leafhopper, thrips etc. on paddy rice, wheat, cotton, cucumber, eggplant, radish, tomato, potato, muskmelon, watermelon, peach, apple, pears, oranges and tangerines, grape, the tea, the insect that conventional pesticides has been produced resistance has the better prevention effect, is one of last word of nicotinoids agricultural chemicals development so far.
Imidacloprid is the nitro-methylene-type systemic insecticide, is the acting body of nicotinic acid acetylcholinesterase acceptor, and it is malfunctioning to disturb the pest movements nervous system that chemical signal is transmitted, no cross resistance problem.Be used to prevent and treat sucking pest and resistant strain thereof.Imidacloprid is a chloro nicotine insecticide of new generation, has wide spectrum, efficient, low toxicity, low-residual, and insect is difficult for producing resistance, to characteristics such as people, animal, plant and natural enemies securities, and have tag, stomach toxicity and the multiple drug effect of interior suction.Behind the insect contact medicament, the nervous centralis normal conduction is obstructed, and makes its paralysis dead.Quick-acting is good, higher preventive effect is promptly arranged in 1 day behind the medicine, and residual life reached about 25 days.Drug effect and temperature are proportionate, temperature height, good disinsection effect.Be mainly used in the control sucking pest.
The synergistic complex of agricultural chemicals is expanding prevention spectrum and the effective measures that improve preventive effect, though as the Pesticidal combination of one of active component, seeing up to now as yet, existing at present many employing Imidacloprids and Avermectin do not have Nitenpyram and the two Pesticidal combination report of Imidacloprid as active component.
Summary of the invention
The present invention for solve the problems of the technologies described above provide a kind of can the high-efficiency prevention and control crop pest multifunctional insecticide composition of sucking pest especially.
For achieving the above object, the present invention makes full use of both mutual supplement with each other's advantages by the network analysis to Nitenpyram and Imidacloprid insecticidal properties, and Nitenpyram and Imidacloprid is composite according to a certain percentage, obtains a kind of new and effective multifunctional insecticide composition.Be widely used in this Pesticidal combination gardening and agricultural go up and anti-ly to eliminate aphis, thrips, aleyrodid, rice fulgorid, leafhopper and Semiptera insect, have good preventive effect; Said composition and effective pesticide resistance generation that suppresses insect to the unitary agent of Nitenpyram or Imidacloprid simultaneously.
For solving the problems of the technologies described above, the invention provides a kind of synergistic composition, particularly a kind of Synergistic insecticidal compositions, said composition comprises Nitenpyram and Imidacloprid, Nitenpyram and Imidacloprid are as active component, and wherein the weight ratio of Nitenpyram and Imidacloprid is 0.1～40: 0.1～40.
Preferably, the weight ratio of above-mentioned Nitenpyram and Imidacloprid is 0.5～30: 0.2～40.
The formulation of Pesticidal combination of the present invention is missible oil, wetting powder, microemulsion, water dispersible granules, aqua, aqueous emulsion, capsule, microcapsule formulations, granule or soluble powder formulation.
The administration form of composition of the present invention depends on specific purposes, in all cases, must guarantee that their dispersion is trickle as much as possible and even.
Above-mentioned formulation of the present invention can prepare in a known manner, for example by active component is mixed with solvent and/or carrier, also can adopt emulsifier and dispersant to fill, as use water as thinner, also can make auxiliary agent with other organic solvent.
The auxiliary agent that is suitable for this purpose mainly is:
Solvent such as aromatic compounds (for example dimethylbenzene), chloro aromatic compounds (for example chlorobenzene), paraffin (for example oil heats up in a steamer powder), alcohols (for example methyl alcohol, butanols), ketone (for example cyclohexanone), amine (for example monoethanolamine, dimethyl formamide) and water;
Carrier is as the natural mineral matter (for example kaolin, alumina or talcum) that grinds and the synthetic mineral matter (for example silicic acid of high dispersive or silicate) of grinding;
Emulsifier such as nonionic and anion emulsifier (for example polyoxyethylene aliphatic alcohol ether, alkylsulfonate and arylsulphonate);
Dispersant such as lignin sulfite waste liquor or add basic cellulose.
The surface reactive material that is fit to is a lignin sulfonic acid, naphthalene sulfonic acids, phenolsulfonic acid, the alkali metal salt of dibutyl naphthalene sulfonic acids, alkali salt or amine salt, alkylaryl sulfonates, alkyl sulfate, alkylsulfonate, alkylsulfonate, aliphatic alcohol sulfate, fatty acid or sulphated fatty alcohol glycol ether also have the condensation product of sulfonated naphthalene and naphthalene derivatives and formaldehyde, the condensation product of naphthalene or naphthalene sulfonic acids and phenol and formaldehyde, NONIN HS 240, the 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, the lignin sulfite waste liquor, methylcellulose and glycerine.
Moisture administration form can be used by adding water, for example adds the water preparation in missible oil, dispersion liquid, wetting powder or water dispersible granules.The preparation aqueous emulsion can be by adding wetting agent, adhesive, dispersant or emulsifier, with above-mentioned substance and water homogenisationization be dissolved in oil or solvent in.And, also can prepare concentrate by active substance, wetting agent, adhesive, dispersant or emulsifier and possible solvent composition, this concentrate is suitable for dilute with water.
Solid carrier can be the natural minerals filler, for example talcum, kaolin, montmorillonite or atlapulgite, lime stone, loess, potter's clay, dolomite, diatomite, calcium sulphate, magnesium sulfate, the synthetic material of grinding, chemical fertilizer such as ammonium sulfate, ammonium phosphate, ammonium nitrate, urea and plant product such as flour, bark powder, wood powder and shuck powder, cellulose powder and other solid carrier.Activity component concentration in direct useful formulations can change in wide relatively scope.
Present composition application dosage, the difference according to factors such as different crops, time of application, weather conditions is generally 1-1000ga.i./ha, is preferably 5-300ga.i./ha.The general foliage applying that adopts, for example page spraying is handled.Also can do other and handle as seed dressing, filling root etc., in this case, can adjust application dosage as required.When for example preventing and treating soil insect in soil, application dosage is in the scope of 10-3000ga.i./ha.
Characteristics such as composition of the present invention has efficiently, low toxicity, interior suction, no cross resistance, be good Homoptera and Semiptera control of insect medicament, can be widely used in the various rice fulgorids of control, aphid, thrips, trialeurodes vaporariorum, Bemisia tabaci, leafhopper, thrips etc. on paddy rice, wheat, cotton, cucumber, eggplant, tomato, potato, muskmelon, watermelon, peach, apple, pears, oranges and tangerines, grape, the tea, the insect that conventional pesticides has been produced resistance has the better prevention effect.
The Pesticidal combination that comprises Nitenpyram and Imidacloprid provided by the invention compared with prior art, can produce higher cooperative synergism, overcomes and has delayed pest resistance to insecticide, has enlarged the control spectrum, and desinsection speed is fast, has reduced drug cost, has alleviated toxicity.
Compared with the prior art the present invention produces following good effect:
1, compare with single agent, said composition antagonism sucking pest such as rice hoppers, aphid etc. have tangible synergy, have obviously improved control efficiency;
2, a medicine is controlled more, and a dispenser can prevent and treat various pests simultaneously, reduces control recruitment cost;
3, alternative high-toxic pesticide;
4, have quick-acting, lasting effect concurrently;
5, crop safety height.
Composition toxicity of the present invention is low, and easily degraded is low to crop, people and animals' murder by poisoning.
Embodiment
Other advantage of the present invention is described further by following examples.
The following example of the present invention and unrestricted the present invention, but be used for illustrating how the present invention realizes in actual applications.
Embodiment 1,50% wetting powder (total weight parts of each component is 100 parts)
Raw material consumption (weight portion)
Nitenpyram 26.0
Imidacloprid 24.0
Wooden sodium sulfonate 8.1
Lauryl sodium sulfate 4.0
White carbon 26.0
The diatomite surplus
With diatomite precomminution, then it is fully mixed with above-mentioned other earlier, adopt comminution by gas stream processing again, make described 50% wetting powder.
Embodiment 2,30% wetting powder (total weight parts of each component is 100 parts)
Raw material consumption (weight portion)
Nitenpyram 28.0
Imidacloprid 2.0
Draw back powder 7.1
Penetrating agent JFC 5.2
The kaolin surplus
Earlier kaolin is pulverized, then it is fully mixed with above-mentioned other composition, adopt comminution by gas stream processing again, make described 30% wetting powder.
Embodiment 3,35% wetting powder (total weight parts of each component is 100 parts)
Raw material consumption (weight portion)
Nitenpyram 14.5
Imidacloprid 20.5
Talcum powder 10.0
The diatomite surplus
Active component Nitenpyram and Imidacloprid are fully mixed with talcum powder, add other component again and adopt comminution by gas stream processing, make described 35% wetting powder.
Embodiment 4,25% missible oil (total weight parts of each component is 100 parts)
Raw material consumption (weight portion)
Nitenpyram 11.5
Imidacloprid 13.5
Cyclohexanone 2.1
Alkyl phenol formaldehyde resin polyoxyethylene ether 9.0
The toluene surplus
Take by weighing active component Nitenpyram and Imidacloprid and be dissolved in the toluene, and then add alkyl phenol formaldehyde resin polyoxyethylene ether and cyclohexanone, stir, promptly make described 25% missible oil.
Embodiment 5,12% missible oil (total weight parts of each component is 100 parts)
Raw material consumption (weight portion)
Nitenpyram 0.7
Imidacloprid 11.3
Calcium dodecyl benzene sulfonate 3.2
N-Methyl pyrrolidone 4.0
Epoxidised soybean oil 2.0
The dimethylbenzene surplus
Take by weighing active component Nitenpyram and Imidacloprid and be dissolved in the dimethylbenzene, add auxiliary agent calcium dodecyl benzene sulfonate, N-Methyl pyrrolidone, epoxidised soybean oil then, stir, promptly get described 12% missible oil.
Embodiment 6,32% missible oil (total weight parts of each component is 100 parts)
Raw material consumption (weight portion)
Nitenpyram 30.2
Imidacloprid 1.8
Dibenzyl xenyl APEO 3.0
The dimethylbenzene surplus
Take by weighing active component Nitenpyram and Imidacloprid and be dissolved in the dimethylbenzene, and then add dibenzyl xenyl APEO, stir, promptly make described 32% missible oil.
Embodiment 7,78% water dispersible granules (total weight parts of each component is 100 parts)
Raw material consumption (weight portion)
Nitenpyram 45.0
Imidacloprid 33.0
Lignin Sodium Benzoate 5.8
Poly-sodium vinyl acetate 5.2
The bentonite surplus
Take by weighing active component Nitenpyram and Imidacloprid and fully mix with above-mentioned processing auxiliary element, granulating and drying promptly gets 78% water dispersible granules after the ultra-fine grinding.
Embodiment 8,80% soluble powder (total weight parts of each component is 100 parts)
Raw material consumption (weight portion)
Nitenpyram 32.0
Imidacloprid 48.0
Alkylsulfonate 4.1
Aliphatic alcohol polyethenoxy base ether 5.2
Sodium sulphate 0.8
White carbon black surplus
Above-mentioned active component and auxiliary material are made 80% soluble powder by mixing laggard promoting the circulation of qi stream disintegrating process.
Embodiment 9,21% aqua (total weight parts of each component is 100 parts)
Raw material consumption (weight portion)
Nitenpyram 8.5
Imidacloprid 12.5
Propane diols 4.3
Lignosulfonates 5.1
Sodium Benzoate 1.6
Sodium Polyacrylate 1.2
Water surplus
Take by weighing active component Nitenpyram and Imidacloprid, add entry and above-mentioned processing auxiliary element,, promptly make described 21% aqua through ball milling, sanded treatment.
Embodiment 10,8% capsule (total weight parts of each component is 100 parts)
Raw material consumption (weight portion)
Nitenpyram 3.0
Imidacloprid 5.0
Polyoxyethylenesorbitan sorbitan monooleate 3.2
Styrene 4.1
Penta sodium pentachlorophenate 5.2
Poly-methyl-prop hydrochlorate 7.0
Ethylene glycol 4.0
Sulphate 1.2
Polyvinyl alcohol 4.0
Poly propane diols 1.0
Water surplus
Take by weighing active component Nitenpyram and Imidacloprid and fully mix with above-mentioned other composition, saltout and separate the encystation of heating then, freeze drying more promptly makes described 8% capsule.
Embodiment 11,80% granule (total weight parts of each component is 100 parts)
Raw material consumption (weight portion)
Nitenpyram 52.0
Imidacloprid 28.0
Vinyl alcohol resin 2.0
Phthalic acid ester 3.5
Phosphate 5.5
Ethylene glycol 1.0
Water surplus
Take by weighing active component Nitenpyram and Imidacloprid and fully mix with above-mentioned other composition, the granulating and drying screening promptly makes described 80% granule.
Application Example 1
Utilize the preparation of embodiment 3 (35% wetting powder) and embodiment 7 (78% water dispersible granules) to verify its control efficiency to cotten aphid.Test medicine, contrast medicament and blank totally 6 processing in this test, 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 residual borer population alive is put down in writing in investigation in 4 days 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.
In the formula:
Pe: 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, behind the medicine the 4th day, embodiments of the invention 3 (35% wetting powder), embodiment 7 (78% water dispersible granules) proofread and correct preventive effect and all are significantly higher than 10% Nitenpyram aqua and 20% imidacloprid soluble powder agent, show by the composite of Nitenpyram and Imidacloprid to have significant synergies.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 4 days)
Annotate: data are 4 repetition mean values in the table.
Application Example 2
Utilize example of formulations 8 (80% soluble powder) control paddy rice brown planthopper field control effectiveness test.Separating tests medicament 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 brown planthopper and fly the dispenser of 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, embodiments of the invention 8 (80% soluble powder) control efficiency of 2 days, 9 days behind control brown planthopper first medicine all will be significantly higher than two single agent, illustrate that said composition prevents and treats the brown planthopper first 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 brown planthopper field control effectiveness test result
Annotate: data are 4 repetition mean values in the table.
Claims (3)
1, a kind of Pesticidal combination is characterized in that said composition comprises Nitenpyram and Imidacloprid, and the weight ratio of described Nitenpyram and Imidacloprid is 0.1～40: 0.1～40.
2, Pesticidal combination according to claim 1, the weight ratio that it is characterized in that Nitenpyram and Imidacloprid is 0.5～30: 0.2～40.
3, Pesticidal combination according to claim 1 and 2, the formulation that it is characterized in that composition are missible oil, wetting powder, microemulsion, water dispersible granules, aqua, aqueous emulsion, capsule, microcapsule formulations, granule or soluble powder formulation.
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| CN101810189A (en) * | 2010-04-01 | 2010-08-25 | 中国热带农业科学院环境与植物保护研究所 | Pesticide composite of imidacloprid and acetamiprid water dispersible granules |
| CN101836657A (en) * | 2010-04-01 | 2010-09-22 | 海南大学 | Pesticide composition of imidacloprid and acetamiprid aqueous emulsion |
| CN101946762A (en) * | 2010-08-25 | 2011-01-19 | 广西田园生化股份有限公司 | Nitenpyram and imidacloprid binary composition electrostatic spray liquid agent and preparation method thereof |
| CN102017980A (en) * | 2009-09-22 | 2011-04-20 | 南京华洲药业有限公司 | Synergistic insecticidal composition containing nitenpyram and imidacloprid and application thereof |
| CN102308839A (en) * | 2011-10-11 | 2012-01-11 | 合肥星宇化学有限责任公司 | Insecticidal composition and its preparation and application |
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- 2009-04-27 CN CN200910031088A patent/CN101524083A/en active Pending
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| CN102017980A (en) * | 2009-09-22 | 2011-04-20 | 南京华洲药业有限公司 | Synergistic insecticidal composition containing nitenpyram and imidacloprid and application thereof |
| CN101810189A (en) * | 2010-04-01 | 2010-08-25 | 中国热带农业科学院环境与植物保护研究所 | Pesticide composite of imidacloprid and acetamiprid water dispersible granules |
| CN101836657A (en) * | 2010-04-01 | 2010-09-22 | 海南大学 | Pesticide composition of imidacloprid and acetamiprid aqueous emulsion |
| CN101836657B (en) * | 2010-04-01 | 2013-06-19 | 中国热带农业科学院环境与植物保护研究所 | Pesticide composition of imidacloprid and acetamiprid aqueous emulsion |
| CN101810189B (en) * | 2010-04-01 | 2013-10-09 | 中国热带农业科学院环境与植物保护研究所 | Pesticide composite of imidacloprid and acetamiprid water dispersible granules |
| CN101946762A (en) * | 2010-08-25 | 2011-01-19 | 广西田园生化股份有限公司 | Nitenpyram and imidacloprid binary composition electrostatic spray liquid agent and preparation method thereof |
| CN101946762B (en) * | 2010-08-25 | 2013-11-06 | 广西田园生化股份有限公司 | Nitenpyram and imidacloprid binary composition electrostatic spray liquid agent and preparation method thereof |
| CN102308839A (en) * | 2011-10-11 | 2012-01-11 | 合肥星宇化学有限责任公司 | Insecticidal composition and its preparation and application |
| CN102308839B (en) * | 2011-10-11 | 2013-09-11 | 合肥星宇化学有限责任公司 | Insecticidal composition and preparation and application thereof |
| CN103371166A (en) * | 2012-04-12 | 2013-10-30 | 陕西韦尔奇作物保护有限公司 | Insecticidal composition containing fluorine louse sulfanilamide |
| CN102657227A (en) * | 2012-04-28 | 2012-09-12 | 赵国彬 | Insecticide for killing piercing-sucking mouthpart pests |
| CN106954650A (en) * | 2017-03-24 | 2017-07-18 | 合肥云都棉花有限公司 | A kind of cotton Pesticidal combination containing Nitenpyram and preparation method thereof |
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