CN101606529B - Pesticide containing emamectin benzoate and malathion and application thereof - Google Patents
Pesticide containing emamectin benzoate and malathion and application thereof Download PDFInfo
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- CN101606529B CN101606529B CN2009100901187A CN200910090118A CN101606529B CN 101606529 B CN101606529 B CN 101606529B CN 2009100901187 A CN2009100901187 A CN 2009100901187A CN 200910090118 A CN200910090118 A CN 200910090118A CN 101606529 B CN101606529 B CN 101606529B
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- malathion
- benzoate
- emamectin
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- insecticide
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Abstract
The invention discloses a pesticide containing emamectin benzoate and malathion, which adopts emamectin benzoate and malathion as effective ingredients in a weight ratio of 0.5 to 5.0:10 to 50. The pesticide of the invention combines the emamectin benzoate and the malathion together so as to fully exert the respective advantages, the combination of the two types of emamectin benzoate and malathion has obvious synergistic effect and can achieve the effects of enhancing preventive and control effects and delaying the drug resistance, therefore, the pesticide can be applied to prevent and control the pests of plant bug, cotton bollworm and the like.
Description
Technical field
The present invention relates to a kind of insecticide that contains emamectin-benzoate and malathion and uses thereof, belong to pesticide field.
Background technology
The fleahopper silk worm comprises that green plant bug Apolygus lucorum, black striped plant bug Adelphocorissuturalis, alfalfa plant bug Adelphocoris lineolatus and adelphocoris taeniophorus Adelphocorisfasciaticollis etc. are the important pests of cotton of causing harm.It is a lot of to produce the medicament kind that goes up control fleahopper silk worm at present, for example Imidacloprid, cypermethrin, chlopyrifos, fluorine worm nitrile etc., the problem that exists is at present, because long-term single drug, the fleahopper silk worm has produced pesticide resistance to some medicaments, and control efficiency reduces, and must strengthen consumption in the production and could control its generation and cause harm, a large amount of chemical insecticides is sprayed onto in crop and the farmland, has caused the pollution to cotton product and environment.Therefore, be badly in need of pesticide new variety efficient, environment-friendly type in the production.
Emamectin-benzoate (Emamectin benzoate), be called for short first dimension salt, it is a kind of new and effective semisynthetic antibiotics insecticide that begins to synthesize from Avermectin B1, it has the characteristics of super-high-efficient, low toxicity, noresidue, biopesticide such as nuisanceless, the existing stomach poison function action of contace poison of holding concurrently again.Be characterized in the insecticidal toxicity height, consumption is little, desinsection is rapid, action spectrum is wide, and is all effective to most insects, and insect is planted by the Zhiduo County of can holding concurrently simultaneously.Its shortcoming is that cost is higher.
Malathion (malathion) has another name called marathon, is one of representative kind of organophosphorous pesticide, insect is had tag, stomach toxicity and fumigation action.Be characterized in that toxicity is low, low price, action spectrum be wide, all effective to most insects, mite, insect is planted by the Zhiduo County of can holding concurrently simultaneously.Its shortcoming is that dosage is bigger.
Therefore, the researcher is devoted to study a kind of insecticide at present, can not only improve drug effect, reduces cost, and can avoid and delay the pesticide resistance generation.
Summary of the invention
The purpose of this invention is to provide a kind of insecticide that contains emamectin-benzoate and malathion, the two is combined the advantage that can give full play to separately, and the combination of two kinds of active ingredients has significant synergies, and can reach to strengthen control efficiency and delay drug-fast effect.
Another object of the present invention provides a kind of insecticide of emamectin-benzoate and malathion that contains in the application that is used on control fleahopper silk worm or the cotton bollworm insect.
In order to realize the object of the invention, researcher of the present invention carries out bioassay results according to the reasonable composite equivalence principle of agricultural chemicals with different compound proportions, selects emamectin-benzoate and malathion to carry out composite.
Insecticide of the present invention contains the active ingredient of following weight portion:
Emamectin-benzoate: 0.5～5.0
Malathion: 10～50.
Preferably, insecticide of the present invention contains the active ingredient of following weight portion:
Emamectin-benzoate: 0.5～3.5
Malathion: 10～40.
More preferably, insecticide of the present invention contains the active ingredient of following weight portion:
Emamectin-benzoate: 1.0～3.5
Malathion: 20～40.
Can be according to method well-known to those skilled in the art, above-mentioned active ingredient and suitable auxiliary material are prepared into missible oil, suspending agent, aqueous emulsion or dispersible granule.
A kind of preferred scheme is to be prepared into missible oil, and described auxiliary material comprises emulsifier and solvent, and wherein emulsifier accounts for 3%～30% of missible oil gross weight, and solvent accounts for 10%～60% of missible oil gross weight.
Described emulsifier is selected from: one or more among agricultural newborn 600#, Nongru-700 #, 2201, OP-21, OP-10, AEO (fatty alcohol and ethylene oxide condensate) or the JFC (polyoxyethylene ether compound).Be preferably: OP-21 or AEO.
Described solvent is selected from: any one in dimethyl formamide, methyl alcohol, phenmethylol, ethanol, ethylene glycol, dimethyl sulfoxide (DMSO), glycerine, isopropyl alcohol, n-butanol, N-methyl pyrrolidone, cyclohexanone or the dimethylbenzene or multiple.Be preferably in dimethyl formamide, ethanol, N-methyl pyrrolidone, dimethylbenzene or the cyclohexanone any one or multiple.
The described component that contains the missible oil of emamectin-benzoate and malathion all can adopt technology well known in the art to be processed into the missible oil formulation by commercially available acquisition.
Specifically, above-mentioned missible oil can be prepared as follows:
In the container that thermometer and agitator are housed, add emamectin-benzoate, malathion and solvent, be heated to 30 ℃～50 ℃, stirred 30～90 minutes, evenly add temperature then and be 40 ℃ emulsifier and stir, stirred 60 minutes, when treating that temperature is down to 20 ℃, this moment, soup was transparency material solution, filter the back efficient emamectin-benzoate and malathion missible oil.
The described missible oil that contains emamectin-benzoate and malathion can be used for preventing and treating insects such as fleahopper silk worm or cotton bollworm.
The missible oil that contains emamectin-benzoate and malathion of the present invention is generally effective ingredient consumption 270～360g/ha.. (per hectare effective ingredient consumption) at the application dose of field control fleahopper class pest and sprays.The missible oil application process that contains emamectin-benzoate and malathion of the present invention is: according to recommending consumption, spray behind the dilute with water in sprayer.
Insecticide of the present invention has the following advantages:
1. emamectin-benzoate is different to the mechanism of action of insect with the malathion, and the mode of action has certain complementarity again, and add between the two composite and have very high synergistic effect, be a kind of desirable insecticide binary combination therefore.
2. emamectin-benzoate of the present invention and malathion combination reaches mutual supplement with each other's advantages, improves drug effect, reduces cost, the effect of delaying drug resistance, minimizing chemical pesticide consumption.
3. the missible oil that contains emamectin-benzoate and malathion of the present invention can be applicable to prevent and treat insects such as fleahopper silk worm, cotton bollworm.
Embodiment
Further set forth the present invention below in conjunction with specific embodiment.Unless specialize, experimental technique and reagent used among the present invention are method known in those skilled in the art and reagent.Should be appreciated that these embodiment only are used for explanation the present invention, and can not limit protection scope of the present invention.To those skilled in the art, under the prerequisite that does not deviate from the present invention's spirit and essence, various changes or change that the details in these embodiments is carried out also belong to protection scope of the present invention.
Embodiment 1
The purpose of this experimental example is to study emamectin-benzoate and the malathion is used synergistic effect with.
Adopt the blade infusion process to measure reagent agent to the indoor virulence of green plant bug 3 instar larvaes.With each reagent agent with acetone solution and be mixed with the finite concentration mother liquor.With the aqueous solution that contains 0.1% Tween 80 above each mother liquor is diluted to 5～7 series mass concentration of geometric ratio gradient respectively.Fresh cotton leaf of the same size flooded for 30 seconds in soup after, after drying naturally under the room temperature condition, put into plastic casing (diameter 8cm, high 5cm) in, insert active healthy, 3 instar larvaes of the same size, 15 in every box is built with the lid that has aperture., repeat 3 times as blank with the distilled water that contains 0.1% Tween 80 and 0.1% acetone.Place 24～26 ℃ of temperature, relative moisture 70～80%, periodicity of illumination is L: D=14: breeding observing under 10 the condition.Pilot survey once, (48 hours) check examination worm death condition after 2 days.
Table 1 malathion, first dimension salt and the two different proportion co-toxicity coefficient measurement result that is mixed
Test method adopts the blade infusion process.Co-toxicity coefficient＞120 expression synergy.
This shows that present composition emamectin-benzoate and malathion mixing have synergistic effect.
Embodiment 2
The purpose of this experimental example is to study 30% emamectin-benzoate.Malathion missible oil control green plant bug field control effectiveness test.
The preparation of emulsifiable concentrate:
Take by weighing following materials of weight proportions
Emamectin-benzoate: 3.5%
Malathion: 26.5%
Emulsifier JFC:15%
The newborn 500# 5% of emulsifier farming
Solvent 1 isopropyl alcohol 10%
Solvent 2 toluene: surplus.
In the container that thermometer and agitator are housed, add emamectin-benzoate and malathion active compound and ethanol and dimethylbenzene, be heated to 40 ℃, stirred 60 minutes, add polyoxyethylene nonylphenol ether-21 then gradually and stirred 60 minutes, when treating that temperature is down to 30 ℃, become 30% missible oil after the filtration.
To prepare medicament and spray application on the cotton, become with dispenser " Invest, Then Investigate " green plant bug before the dispenser, nymph quantity.Every residential quarter mark 50 strain cottons, the borer population alive on the counting complete stool.
Table 230% first dimension salt malathion missible oil control cotton green plant bug test statistics result
Annotate: preventive effect is carried out variance analysis in the * table after the arcsine conversion, and carries out multiple ratio with the Deng Kenshi duncan's new multiple range method, has same letter person in the same column for not have significant difference in 0.05 level.
Control efficiency (%)=(check plot borer population behind the preceding check plot of 1-medicine borer population * medicine post processing zone borer population/medicine * medicine pre-treatment district borer population) * 100
Found out by result of the test, two processing of 30% emamectin-benzoate and malathion missible oil 270g/ha. and 360g/ha. (833 times and 625 times) to the preventive effect of wheat aphid all more than 80%, its control efficiency of the 1st, 3 day does not have significant difference with the control efficiency of 1000 times of contrast medicament 2% emamectin-benzoate missible oil, but the 7th day preventive effect is significantly higher than this contrast chemicals treatment, and handle 1,3,7 day the control efficiency in back and all be significantly higher than 600 times of processing of 45% malathion missible oil, illustrate that its quick-acting and lasting effect are all better.
Embodiment 3
Prepare 20% missible oil:
At first take by weighing following raw material by weight:
Emamectin-benzoate: 1%
Malathion: 19.0%
Polyoxyethylene nonylphenol ether-21:25%
Solvent 1 methyl alcohol: 15%
Solvent 2 dimethylbenzene: to 100%
Then in the container that thermometer and agitator are housed, add emamectin-benzoate and malathion active compound and methyl alcohol and dimethylbenzene, be heated to 40 ℃, stirred 60 minutes, evenly add temperature then and be 40 ℃ polyoxyethylene nonylphenol ether-21 and stir, stirred 60 minutes, when treating that temperature is down to 20 ℃, this moment, soup was transparency material solution, became 20% missible oil after the filtration.
Embodiment 4
Prepare 20% missible oil:
At first take by weighing following raw material by weight:
Emamectin-benzoate: 2.0%
Malathion: 18.0%
Emulsifier AEO:25%
Solvent 1 phenmethylol: 15%
Solvent 2 dimethylbenzene surpluses
Then emamectin-benzoate, malathion, solvent benzol methyl alcohol and dimethylbenzene are joined in the container, be heated to 30 ℃, stirred 30 minutes, add emulsifier AEO and stirring then, stirred 90 minutes, be cooled to 15 ℃, filter the back contain the missible oil of emamectin-benzoate and malathion.
Embodiment 5
Prepare 20% missible oil:
At first take by weighing following raw material by weight:
Emamectin-benzoate: 0.5%
Malathion: 19.5%
Emulsifier JFC:20%
Solvent 1 ethanol: 15%
Solvent 2 toluene: surplus.
Emamectin-benzoate, malathion, etoh solvent and toluene are joined in the container, be heated to 50 ℃, stirred 90 minutes, add emulsifier and stirring then, stirred 60 minutes, be cooled to 30 ℃, filter the back contain the missible oil of emamectin-benzoate and malathion.
Embodiment 6
The preparation method is with embodiment 1, and different is that composition and content are as follows:
Emamectin-benzoate: 2.5%
Malathion: 27.5%
Emulsifier op-10: 5%
The newborn 600:5% of emulsifier farming
Solvent 1 cyclohexanone: 5%
Solvent 2 ethylene glycol: surplus.
Embodiment 7
The preparation method is with embodiment 1, and different is that composition and content are as follows:
Emamectin-benzoate: 3%
Malathion: 27%
Emulsifier 2201:3%
Emulsifier op-10: 5%
Solvent 1 dimethyl formamide: 5%
Solvent 2 ethylene glycol: surplus.
Embodiment 8
The preparation method is with embodiment 1, and different is that composition and content are as follows:
Emamectin-benzoate: 1.5%
Malathion: 28.5%
Emulsifier AEO:20%
Solvent 1 n-butanol: 10%
Solvent xylene: surplus.
Embodiment 9
The preparation method is with embodiment 1, and different is that composition and content are as follows:
Emamectin-benzoate: 3.5%
Malathion: 26.5%
Emulsifier JFC:15%
The newborn 500# 5% of emulsifier farming
Solvent 1 isopropyl alcohol 10%
Solvent 2 toluene: surplus.
Embodiment 10
The preparation method is with embodiment 1, and different is that composition and content are as follows:
Emamectin-benzoate: 5%
Malathion: 25%
Emulsifier JFC:20%
The newborn 600# 5% of emulsifier farming
Solvent 1 methyl alcohol 10%
Solvent 2 toluene: surplus.
Embodiment 11
The preparation method is with embodiment 1, and different is that composition and content are as follows:
Emamectin-benzoate: 1%
Malathion: 50%
Emulsifier JFC:20%
The newborn 600# 5% of emulsifier farming
Solvent 1 methyl alcohol 10%
Solvent 2 toluene: surplus.
Embodiment 12
Prepare 20% missible oil:
At first take by weighing following raw material by weight:
Emamectin-benzoate: 3.0%
Malathion: 10.0%
Emulsifier AEO:25%
Solvent 1 phenmethylol: 15%
Solvent 2 dimethylbenzene surpluses
Embodiment 13
According to the method for embodiment 2, with every residential quarter mark 50 strain cottons, statistics green plant bug and cotton bollworm quantity.Spray the insecticide (every group of three repetitions) of above-described embodiment 3 to embodiment 12 respectively, the amount of spraying is according to 300aig/ha..Does statistics spray back the? the green plant bug of it each residential quarter and cotton bollworm quantity.The result is shown in following table 3 and table 4.
The worm amount that table 3 emamectin-benzoate and malathion different proportion are mixed and handle the back green plant bug
The worm amount that table 4 emamectin-benzoate and malathion different proportion are mixed and handle the back cotton bollworm
From table 2 and table 3 result, each all has stronger control action for examination mixture preparation consumption 300g/ha. (ai) to green plant bug emamectin-benzoate and malathion, and cotton bollworm is had certain double effect of controlling.
Control efficiency (%)=(check plot borer population behind the preceding check plot of 1-medicine borer population * medicine post processing zone borer population/medicine * medicine pre-treatment district borer population) * 100
Claims (9)
1. the application of insecticide on control fleahopper silk worm insect that contains emamectin-benzoate and malathion, the active ingredient of this insecticide is composed as follows by weight:
Emamectin-benzoate: 0.5～5.0;
Malathion: 10～50.
2. application as claimed in claim 1 is characterized in that, the active ingredient of this insecticide is composed as follows by weight:
Emamectin-benzoate: 0.5～3.5;
Malathion: 10～40.
3. application as claimed in claim 1 is characterized in that, the active ingredient of this insecticide is composed as follows by weight:
Emamectin-benzoate: 1.0～3.5;
Malathion: 20～40.
4. as each described application of claim 1～3, it is characterized in that described insecticide is missible oil, suspending agent, aqueous emulsion or the dispersible granule that active ingredient and suitable auxiliary material are prepared into.
5. application as claimed in claim 4 is characterized in that, described insecticide is missible oil, and described auxiliary material comprises emulsifier and solvent, and wherein emulsifier accounts for 3%～30% of missible oil gross weight, and solvent accounts for 10%～60% of missible oil gross weight.
6. application as claimed in claim 5 is characterized in that, described emulsifier is selected from one or more in agricultural newborn 600#, Nongru-700 #, 2201, OP-21, OP-10, fatty alcohol and ethylene oxide condensate or the APEO.
7. application as claimed in claim 6 is characterized in that: described emulsifier is: OP-21 or fatty alcohol and ethylene oxide condensate.
8. application according to claim 5 is characterized in that: described solvent be in dimethyl formamide, methyl alcohol, phenmethylol, ethanol, ethylene glycol, dimethyl sulfoxide (DMSO), glycerine, isopropyl alcohol, n-butanol, N-methyl pyrrolidone, cyclohexanone or the dimethylbenzene any one or multiple.
9. application as claimed in claim 8 is characterized in that, described solvent be in dimethyl formamide, ethanol, N-methyl pyrrolidone, dimethylbenzene or the cyclohexanone any one or multiple.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100901187A CN101606529B (en) | 2009-07-29 | 2009-07-29 | Pesticide containing emamectin benzoate and malathion and application thereof |
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| CN2009100901187A CN101606529B (en) | 2009-07-29 | 2009-07-29 | Pesticide containing emamectin benzoate and malathion and application thereof |
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| CN101606529A CN101606529A (en) | 2009-12-23 |
| CN101606529B true CN101606529B (en) | 2013-09-25 |
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| CN102771504B (en) * | 2012-08-13 | 2014-04-23 | 山东省农业科学院植物保护研究所 | Compound pesticide for controlling apolygus lucorum and preparation method of compound pesticide |
| CN104886156A (en) * | 2015-05-13 | 2015-09-09 | 卞佳林 | Cotton bollworm pesticide |
| CN113749127A (en) * | 2021-09-23 | 2021-12-07 | 山东青果食品有限公司 | Green organic pesticide and application thereof in preventing and treating vegetable pests |
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