CN101632368A - Insecticidal and acaricidal compound containing emamectin benzoate - Google Patents
Insecticidal and acaricidal compound containing emamectin benzoate Download PDFInfo
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- CN101632368A CN101632368A CN200910034133A CN200910034133A CN101632368A CN 101632368 A CN101632368 A CN 101632368A CN 200910034133 A CN200910034133 A CN 200910034133A CN 200910034133 A CN200910034133 A CN 200910034133A CN 101632368 A CN101632368 A CN 101632368A
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- benzoate
- emamectin
- avermectin
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- insecticidal
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Abstract
The invention discloses an insecticidal and acaricidal compound containing emamectin benzoate and abamectin, which has higher synergy effect, overcomes and delays pest insect resistance to insecticide, enlarges preventing and curing spectrum, and has the advantages of quick insecticidal speed, low cost of medicine and the like. The compound is prepared by taking emamectin benzoate and adamectin as active components then preparing with proper pesticide adjuvants or carriers, and the weight ratio of the emamectin benzoate and the adamectin is 1-90:90-1. The compound of the invention is widely used for preventing and curing various pests and mites in crops, such as grain crop, rice, corn, vegetable, fruit trees and the like.
Description
Technical field
The present invention relates to a kind of insecticide acaricide composition, especially a kind of by emamectin-benzoate and Avermectin 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.
Emamectin-benzoate (being called for short first dimension salt) is a kind of new and effective semisynthetic antibiotics insecticide, and it has super-high-efficient, low toxicity (preparation is closely nontoxic), noresidue, the nuisanceless characteristics that wait biopesticide.The a lot of insects of first dimension salt pair have the incomparable activity of other agricultural chemicals, especially to Lepidoptera, diptera, thrips class super-high-efficient, as red tape leaf roller, cigarette aphid noctuid, cotton bollworm, maduca sexta, diamond-back moth mythimna separata, beet armyworm, confused Autographa spp, cabbage looper, imported cabbageworm, cabbage heart snout moth's larva, wild cabbage horizontal stripe snout moth's larva, tomato hawkmoth, colorado potato beetle etc.But along with a large amount of uses of first dimension salt, most insects have also produced more and more serious pesticide resistance to this, and dosage and formulation content rise year by year, cause in the crop residual quantity more and more.
Avermectin is that a kind of tool is tagged, stomach toxicity, insecticidal/acaricidal agent that penetration is strong.Insect and mite class had tag and stomach poison function and faint fumigation action is arranged, no systemic action.But it has very strong osmosis to blade, can kill subepidermal insect, and the longevity of residure is long.It does not kill ovum.What its mechanism of action was different with general insecticide is that it disturbs the neurophysiology activity, stimulate and discharge the r-aminobutyric acid, and the r-aminobutyric acid has inhibitory action to arthropodan nerve conduction, the mite class becomes, if mite and insect and larva with paralysis symptom promptly appears after medicament contacts, inertia is not got food, and is dead after 2-4 days.Avermectin has the chemical constitution novelty, the mechanism of action uniqueness, and advantage such as insecticidal activity is strong, but drug effect is slow, insecticidal spectrum relative narrower, poor stability and production cost height then also are its significant disadvantages.
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 emamectin-benzoates and Avermectin do not have emamectin-benzoate and the two Pesticidal combination report of Avermectin as active component.
Summary of the invention
The present invention provides a kind of multifunctional insecticide, miticide composition that can the high-efficiency prevention and control crop pest for solving the problems of the technologies described above.
For achieving the above object, the present invention is by the network analysis to emamectin-benzoate and abamectin pest killing characteristic, make full use of both mutual supplement with each other's advantages, emamectin-benzoate and Avermectin is composite according to a certain percentage, obtain a kind of new and effective multifunctional insecticide, miticide composition.The agricultural that is widely used in this Pesticidal combination goes up and gardening pest control and evil mite, has good preventive effect; Said composition and effective inhibition insect, evil mite produce the pesticide resistance of the unitary agent of emamectin-benzoate simultaneously.
For solving the problems of the technologies described above, the invention provides a kind of synergistic composition, particularly a kind of potentiating pesticidal, miticide composition, said composition comprises emamectin-benzoate and Avermectin as active component, and wherein the weight ratio of emamectin-benzoate and Avermectin is 1～90: 90～1; Preferably, be 1～40: 40～1; More preferably 1～10: 10～1.
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, soluble granula, soluble liquid 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.
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.
As the composition of solid form, having of can mentioning is following several: water dispersible granules is normally prepared by the agglomeration of wettable powder type composition in suitable granular system, makes this formulation.
Wetting powder is general to be prepared with such method, and promptly so that its active component that contains certain part by weight is as the criterion, except that solid carrier, they generally contain wetting agent, dispersant, in case of necessity, contains one or more other additive again.As dyestuff, colouring agent, bleeding agent, adhesive or anti-caking agent etc.
Granule can prepare with following method, is made up of the active component that contains certain part by weight, stabilizing agent, carrier.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 can be by being dissolved in active substance 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.).
Aqueous emulsion can prepare by the following method, and promptly with the active component of 5-70%, solvent adds with emulsifier, common emulsion is in the same place, and makes and is dissolved into even oil phase.Water, antifreeze, preservative etc. are mixed, become the homogeneous water.Telling under the stirring, water is added oil phase or oil phase is added water, forming finely disseminated aqueous emulsion.
Suspending agent can prepare with following method, promptly be as the criterion not form sedimental stable fluid, they generally contain the active component of 10-85%, the surfactant of 0.5-45%, the additive that 0-10% is suitable such as dyestuff, colouring agent, foam reducing composition, corrosion inhibitor, stabilizing agent and bleeding agent and adhesive etc., carrier can be water or organic liquid, active component indissoluble or water fast can be dissolved in some solid organic matter or mineral salt in the liquid so that help sediments to form or as the antifreezing agent of water.
Capsule or microcapsule formulations can prepare with following method; it is styrene, isocyanates, acrylic acid series and metha crylic monomer copolymer that the capsule micromicro is selected the capsule skin; capsule-core is that effective ingredient is emamectin-benzoate and Avermectin; be aided with certain emulsifier, dispersant, suitable protecting colloid; and other auxiliary agent, as preservative, defoamer, defoamer.
Microemulsion can prepare with following method, and active ingredient is dissolved in the organic solvent, under agitation adds emulsifier and auxiliary agent (as stabilizing agent, antifreezing agent etc.) in the solution of gained, and adds entry, and is as clear as crystal up to liquid, gets described microemulsion.
Present composition application dosage, the difference according to factors such as different crops, time of application, weather conditions is generally 1-800ga.i./ha, is preferably 5-500ga.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.
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 insects of control, evil mite 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.
Desinsection, the miticide composition that comprises emamectin-benzoate and Avermectin provided by the invention compared with prior art, can produce higher cooperative synergism, overcome and delayed pest resistance to insecticide, enlarged the control spectrum, desinsection speed is fast, has reduced drug cost.
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, have quick-acting, lasting effect concurrently;
4, 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 1,12% wetting powder (total weight parts of each component is 100 parts)
Raw material consumption (weight portion)
Emamectin-benzoate 5.0
Avermectin 7.0
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 12% wetting powder.
Embodiment 2,18% wetting powder (total weight parts of each component is 100 parts)
Raw material consumption (weight portion)
Emamectin-benzoate 2.0
Avermectin 16.0
Talcum powder 10.0
The diatomite surplus
Active component emamectin-benzoate and Avermectin are fully mixed with talcum powder, add other component again and adopt comminution by gas stream processing, make described 18% wetting powder.
Embodiment 3,25% missible oil (total weight parts of each component is 100 parts)
Raw material consumption (weight portion)
Emamectin-benzoate 11.5
Avermectin 13.5
Cyclohexanone 2.1
Alkyl phenol formaldehyde resin polyoxyethylene ether 9.0
The toluene surplus
Take by weighing active component emamectin-benzoate and Avermectin 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 4,12% missible oil (total weight parts of each component is 100 parts)
Raw material consumption (weight portion)
Emamectin-benzoate 7.5
Avermectin 4.5
Calcium dodecyl benzene sulfonate 3.2
N-Methyl pyrrolidone 4.0
Epoxidised soybean oil 2.0
The dimethylbenzene surplus
Take by weighing active component emamectin-benzoate and Avermectin 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 5,28% missible oil (total weight parts of each component is 100 parts)
Raw material consumption (weight portion)
Emamectin-benzoate 8.5
Avermectin 19.5
Dibenzyl xenyl APEO 3.0
The dimethylbenzene surplus
Take by weighing active component emamectin-benzoate and Avermectin and be dissolved in the dimethylbenzene, and then add dibenzyl xenyl APEO, stir, promptly make described 28% missible oil.
Embodiment 6,35% water dispersible granules (total weight parts of each component is 100 parts)
Raw material consumption (weight portion)
Emamectin-benzoate 15.0
Avermectin 20.0
Lignin Sodium Benzoate 5.8
Poly-sodium vinyl acetate 5.2
The bentonite surplus
Take by weighing active component emamectin-benzoate and Avermectin and fully mix with above-mentioned processing auxiliary element, granulating and drying promptly gets 35% water dispersible granules after the ultra-fine grinding.
Embodiment 7,28% soluble granula (total weight parts of each component is 100 parts)
Raw material consumption (weight portion)
Emamectin-benzoate 11.0
Avermectin 27.0
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 granula by mixing laggard promoting the circulation of qi stream disintegrating process.
Embodiment 8,21% soluble liquid (total weight parts of each component is 100 parts)
Raw material consumption (weight portion)
Emamectin-benzoate 11.0
Avermectin 10.0
Propane diols 4.3
Lignosulfonates 5.1
Sodium Benzoate 1.6
Sodium Polyacrylate 1.2
Water surplus
Take by weighing active component emamectin-benzoate and Avermectin, add entry and above-mentioned processing auxiliary element,, promptly make described 21% aqua through ball milling, sanded treatment.
Embodiment 9,18% capsule (total weight parts of each component is 100 parts)
Raw material consumption (weight portion)
Emamectin-benzoate 11.0
Avermectin 7.0
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 emamectin-benzoate and Avermectin and fully mix with above-mentioned other composition, saltout and separate the encystation of heating then, freeze drying more promptly makes described 18% capsule.
Embodiment 10,15% microcapsule formulations (total weight parts of each component is 100 parts)
Raw material consumption (weight portion)
Emamectin-benzoate 9.0
Avermectin 6.0
Ammonium persulfate 0.2
Styrene 6.0
Butyl acrylate 7.0
Acrylic acid 0.3
Polyoxyethylene nonylphenol ether 5.0
Water surplus
Embodiment 11,30% granule (total weight parts of each component is 100 parts)
Raw material consumption (weight portion)
Emamectin-benzoate 9.0
Avermectin 21.0
Ethylene glycol 1.0
Vinyl alcohol resin 2.0
Phosphate 5.5
Phthalic acid ester 3.5
Water surplus
Take by weighing above-mentioned other composition of active component emamectin-benzoate and Avermectin and fully mix, the granulating and drying screening promptly makes described 30% granule.
Application Example 1
Utilize the preparation of embodiment 6 (35% water dispersible granules) and embodiment 7 (28% soluble granula), embodiment 9 (18% capsule) to verify its control efficiency to cotton bollworm.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 cotton bollworm 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 6 (35% water dispersible granules) and embodiment 7 (28% soluble granula), embodiment 9 (18% capsule) proofread and correct preventive effect and all are significantly higher than 1% emamectin benzoate microemulsion and 10% abamectin emulsifiable concentrate, show by the composite of emamectin-benzoate and Avermectin 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.
The cotton cotton bollworm field efficacy demonstration test result of table 1 control (behind the medicine 4 days)
Annotate: data are 4 repetition mean values in the table.
Application Example 2
Utilize example of formulations 1 (12% wetting powder), embodiment 10 (15% microcapsule formulations), embodiment 11 (30% granule) control paddy rice rice leaf roller field control effectiveness test.Separating tests medicament in this test, contrast medicament and blank totally 6 processing repeat respectively time, 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 3 days, 12 days respectively in the morning 9 investigated once in the past.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 1 (12% wetting powder), embodiment 10 (15% microcapsule formulations), embodiment 11 (30% granule) 3 days, 12 days control efficiency behind control rice leaf roller medicine all will be significantly higher than two single agent, illustrate that said composition prevents and treats the paddy rice rice leaf roller 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 paddy rice rice leaf roller field control effectiveness test result
Annotate: data are 4 repetition mean values in the table.
Claims (3)
1, a kind of desinsection, miticide composition is characterized in that said composition comprises emamectin-benzoate and Avermectin, and the weight ratio of described emamectin-benzoate and Avermectin is 1～90: 90～1.
2, Pesticidal combination according to claim 1, the weight ratio that it is characterized in that emamectin-benzoate and Avermectin is 1～40: 40～1.
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, aqueous emulsion, capsule, microcapsule formulations, granule, soluble granula or soluble liquid formulation.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102475084A (en) * | 2010-11-25 | 2012-05-30 | 上海农乐生物制品股份有限公司 | Methylamino abamectin benzoate water dispersible granules and method for preparing same |
| CN105147641A (en) * | 2015-09-21 | 2015-12-16 | 四川维尔康动物药业有限公司 | Abamectin gastric floating capsules and preparation method thereof |
Citations (2)
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| CN1437848A (en) * | 2003-03-28 | 2003-08-27 | 河北科技大学 | Avilamycin water-suspension nano capsule preparation and method for preparing same |
| CN1918992A (en) * | 2006-09-21 | 2007-02-28 | 栾贵书 | Methylamino avermectin benzoate soluble granule and preparation method thereof |
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2009
- 2009-08-31 CN CN200910034133A patent/CN101632368A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1437848A (en) * | 2003-03-28 | 2003-08-27 | 河北科技大学 | Avilamycin water-suspension nano capsule preparation and method for preparing same |
| CN1918992A (en) * | 2006-09-21 | 2007-02-28 | 栾贵书 | Methylamino avermectin benzoate soluble granule and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102475084A (en) * | 2010-11-25 | 2012-05-30 | 上海农乐生物制品股份有限公司 | Methylamino abamectin benzoate water dispersible granules and method for preparing same |
| CN105147641A (en) * | 2015-09-21 | 2015-12-16 | 四川维尔康动物药业有限公司 | Abamectin gastric floating capsules and preparation method thereof |
| CN105147641B (en) * | 2015-09-21 | 2018-02-13 | 四川维尔康动物药业有限公司 | A kind of AVM gastric floating capsule and preparation method thereof |
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Application publication date: 20100127 |