CN104488871A - Spinetoram-containing insecticidal composition and use thereof - Google Patents
Spinetoram-containing insecticidal composition and use thereof Download PDFInfo
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- CN104488871A CN104488871A CN201410686635.1A CN201410686635A CN104488871A CN 104488871 A CN104488871 A CN 104488871A CN 201410686635 A CN201410686635 A CN 201410686635A CN 104488871 A CN104488871 A CN 104488871A
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- ethyl pleocidin
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Abstract
The present invention discloses a spinetoram-containing insecticidal composition and use thereof, the spinetoram-containing insecticidal composition comprises spinetram (A) and fufenozide (B) with the weight ratio of 1-50:50-1. A variety of pesticide formulations of the insecticidal composition are prepared by adding an emulsifier, a cosolvent, an anti freezing agent, a defoaming agent, a thickening agent, a stabilizer, a PH regulator and other components, and an environmentally friendly water-based suspension formulation is preferable. The composition has a synergistic effect on the insecticidal effect, and can delay the development of pest resistance. The insecticidal composition can control plant hopper, whitefly, aphid, thrips, plutella xylostella, beet armyworm, mite, and other pests on crops.
Description
Technical field:
The present invention relates to technical field of pesticide preparations, be specifically related to a kind of Pesticidal combination containing ethyl pleocidin and uses thereof.
Background technology:
Ethyl pleocidin: be made up of ethyl pleocidin-J and ethyl pleocidin-L two kinds of components, act on the nervous system of insect, to diamond-back moth, the control efficiency that beet armyworm, Liriomyza, thrips, prodenia litura, lima bean pod borer have had.
Ethyl pleocidin-J (22.5 DEG C) outward appearance is white powder, and ethyl pleocidin-L (22.9 DEG C) outward appearance position white, to yellow crystals, is with semen armeniacae amarae taste.Proportion XDE-175-J:1.1495 ± 0.0015g/cm3 (1.150kg/m3) 19.5 ± 0.4 DEG C, XDE-175-L:1.1807 ± 0.0167g/cm3 (1.181kg/m3) 20.1 ± 0.6 DEG C; Fusing point XDE-175-J:143.4 DEG C, XDE-175-L:70.8 DEG C; Decomposition temperature XDE-175-J:497.8 DEG C, XDE-175-L:290.7 DEG C; Solution temperature (20-25 DEG C) water XDE-175-J:10.0mg/L, XDE-175-L:31.9mg/L; > 250mg/L in methyl alcohol, acetone, ethyl acetate, 1,2-dichloroethane, dimethylbenzene; In pH5,7 buffer solution, ethyl pleocidin-J and ethyl pleocidin-L is stable, but in the buffer solution of pH9 the half life period of ethyl pleocidin-L be 154 days, be degraded to N-demethylation pleocidin-L.Photodissociation.
Furan tebufenozide, the insecticide that China has independent intellectual property right, chemistry N-(2,3-_7-hydrogen-2 by name, 7-dimethyl. benzofuran .6-formoxyl)-N '-tertiary butyl .N '. (3,5 dimethylbenzoyls) hydrazine, Chinese name furan tebufenozide is a kind of white powdery solids, fusing point: 146.0-148.00C, molten-in organic solvent, water insoluble low toxicity is to fish, honeybee, bird, to the high poison of silkworm; To honeybee low-risk, extremely malicious to silkworm.
Furan tebufenozide, as the N-tertiary butyl bishydrazide compounds containing benzofuran ring, has the moulting hormone regulating and controlling effect that bishydrazide compounds generally has.After pests official loyal to his sovereign, there is abnormal reaction of casting off a skin very soon, stop taking food, cast off a skin ahead of time, but cannot complete due to abnormal casting off a skin and cast off a skin, cause larva to dewater and hungry and dead.Stop damage to crops in a few hours after pests official loyal to his sovereign, although the death rate of insect differs, furan tebufenozide to the protected effect of crop both fast and sound! Equally also show higher biologically active.
Summary of the invention:
The technical problem to be solved in the present invention is, for existing preparation technique Problems existing, proposes a kind of Pesticidal combination containing ethyl pleocidin and uses thereof, improves original preparation technique, improve preventive effect.
Technical solution of the present invention is as follows:
The invention provides one group of Pesticidal combination containing ethyl pleocidin, said composition comprises ethyl pleocidin and furan tebufenozide, can prevent and treat simultaneously, have synergistic function to the multiple insect pest of crops.
The present invention also additionally provides a kind of suspending agent comprising above-mentioned composition, and percentage by weight consists of:
Above-mentioned all components sum is absolutely
Described wetting dispersing agent can select nonionic surface active agent or anionic surfactant, described non-ionic surface active agent is phenethyl phenol polyethenoxy ether, the rare ether of phenethyl phenol polyethenoxy polyoxy third, alkylphenol polyoxyethylene, alkylphenol polyoxyethylene formaldehyde condensation products, fatty alcohol-polyoxyethylene ether, castor oil polyoxyethylene ether, polystyrene-based phenol formaldehyde resin APEO, phenethyl phenol polyethenoxy ether phosphate, alkylphenol polyoxyethylene phosphate etc., and described anion surfactant is alkyl benzene calcium sulfonate, sodium alkyl benzene sulfonate, C
8~ C
20sodium alkyl sulfate etc.
The optional spent glycol of described antifreezing agent, propane diols, glycerine, polyethylene glycol, sorbierite, urea one of them.
Described defoamer can select organic silicone oil, isooctanol etc.
Described thickener can select xanthans, gum Arabic, carboxymethyl cellulose, CMC, polyvinyl alcohol etc.
Described stabilizing agent can select epoxychloropropane, MPD, tributyl phosphate, sulfonic acid ammonium salt, phosphate, epoxidized vegetable oil etc.
Described PH conditioning agent can select the one in citric acid, lactic acid, glacial acetic acid, hydrochloric acid, phosphoric acid, polyphosphoric acids.
Water of the present invention is running water or ionized water, preferred running water.
Another technical solution of the present invention is, described composition aqueous chemical preparation preparation method comprises the following steps:
Ethyl pleocidin and the former medicine of furan tebufenozide and dispersion wetting agent, antifreeze, defoamer, antimicrobial are carried out high speed dispersion according to the ratio of described each component, through sand mill, mixed material is ground to below particle diameter 5um, to rear mixing kettle, add thickener, pH value regulator etc. stir, finished product.
Embodiment:
In order to understand essence of the present invention better, describe in detail with instantiation below, but the present invention is not limited thereto.
Embodiment 1
26% ethyl pleocidin furan tebufenozide suspending agent preparation, each component proportion by weight:
Its preparation process is as follows: ethyl pleocidin and the former medicine of furan tebufenozide and point phenethyl phenol polyethenoxy ether, alkylphenol polyoxyethylene, part water are carried out high speed dispersion 30min according to described ratio, through sand mill, mixed material is ground to below particle diameter 5um, to rear mixing kettle, add ethylene glycol, citric acid, xanthans etc. to stir, finished product.
Experimental example 1
The process taking ethyl pleocidin and furan tebufenozide employing embodiment 1 is mixed with by different proportion the ethyl pleocidin furan tebufenozide suspending agent that total active ingredient weight percentage is 26%.Concrete ratio sees the following form.
Leaf dipping method is adopted to carry out indoor synergy biologicall test, resistance diamond-back moth is selected to be target pest, often process repetition 3 times, every concentration process 60, calculates virulence regression equation and the lethal concentration of 50 of each medicament antagonism diamond-back moth by probability value method, press the abundant method of Sun Yun calculate co-toxicity coefficient by LC50 value, evaluate mixed effect, usually show three kinds of type of action, i.e. synergy, addition and antagonism, when co-toxicity coefficient (CTC) is greater than 120, there is synergistic effect.
The EC50*100 of the EC50/AB of actual toxicity index ATI (AB)=A
Theoretical toxicity index TTI (AB)=percentage+TI (B) * B percentage co-toxicity coefficient CTC=ATI (AB) in the mixture/TTI (AB) * 100 of TI (A) * A in mixture
The results are shown in following table:
The toxicity test result of table 1 ethyl pleocidin and the composite and single dose antagonism diamond-back moth of furan tebufenozide
As can be seen from Table 1, ethyl pleocidin and furan tebufenozide co-toxicity coefficient in ratio range is all greater than 120, illustrates that both all have synergistic function within the scope of this.
Embodiment 2
55% ethyl pleocidin furan tebufenozide suspending agent preparation, each component proportion by weight:
Preparation method is with reference to embodiment 1
Experimental example 2
Control vegetables diamond-back moth field control effectiveness test is carried out to embodiment 2, with 20% ethyl pleocidin can wet-milling and 20% furan tebufenozide missible oil for contrast medicament, be blank with clear water, after medicine, look into 7 days, 14 days results.Result sees the following form:
Table 2 ethyl pleocidin furan tebufenozide compound drug is to the field test results of vegetables diamond-back moth
As shown in Table 2, the invention composition suspending agent of the present embodiment 2 gained all shows good insecticidal activity under dilution 1500 times of concentration, and higher than the insecticidal activity of single dose.Illustrate that the suspending agent antagonism diamond-back moth of gained of the present invention has good preventive effect.
Experimental example 3
Carry out preventing and treating the field control effectiveness test of cotton bollworm to embodiment 2, with 20% ethyl pleocidin can wet-milling and 20% furan tebufenozide missible oil for contrast medicament, be blank with clear water, after medicine, look into 7 days, 14 days results.Result sees the following form:
Table 3 ethyl pleocidin furan tebufenozide compound drug is to the field test results of cotton bollworm
As shown in Table 3, the invention composition suspending agent of the present embodiment 2 gained all shows good insecticidal activity under dilution 1000 times of concentration, and higher than the insecticidal activity of single dose.Illustrate that the suspending agent of gained of the present invention has good preventive effect to cotton bollworm.
Comprehensive above experimental result shows, the composition of ethyl pleocidin of the present invention and furan tebufenozide all has good control efficiency to various pests, decrease spraying times and improve control efficiency, and adopt the water base agent type of safety, be the new formulation of environment-friendly high-efficiency, be conducive to applying.
Claims (9)
1. Pesticidal combination containing ethyl pleocidin and uses thereof, is characterized in that: described composition comprises ethyl pleocidin and furan tebufenozide two kinds of components, and its weight proportion is 1-50:50-1.
2. Pesticidal combination containing ethyl pleocidin and uses thereof, it is characterized in that described composition adds the components such as emulsifier, cosolvent, antifreezing agent, defoamer, thickener, stabilizing agent, PH conditioning agent, water and makes the various formulations of pesticide, preferably suspending agent.
3. the suspending agent of composition according to claim 2, it is characterized in that, described emulsifier can select nonionic surface active agent or anionic surfactant, described non-ionic surface active agent is phenethyl phenol polyethenoxy ether, the rare ether of phenethyl phenol polyethenoxy polyoxy third, alkylphenol polyoxyethylene, alkylphenol polyoxyethylene formaldehyde condensation products, fatty alcohol-polyoxyethylene ether, castor oil polyoxyethylene ether, polystyrene-based phenol formaldehyde resin APEO, phenethyl phenol polyethenoxy ether phosphate, alkylphenol polyoxyethylene phosphate etc., described anion surfactant is alkyl benzene calcium sulfonate, sodium alkyl benzene sulfonate, C
8~ C
20sodium alkyl sulfate.
4. the suspending agent of composition according to claim 2, is characterized in that, the optional spent glycol of described antifreezing agent, propane diols, glycerine, polyethylene glycol, sorbierite, urea one of them.
5. the suspending agent of composition according to claim 2, is characterized in that, described defoamer can select organic silicone oil, isooctanol.
6. the suspending agent of composition according to claim 2, is characterized in that, described thickener can select xanthans, gum Arabic, carboxymethyl cellulose, CMC, polyvinyl alcohol.
7. the suspending agent of composition according to claim 2, is characterized in that, described stabilizing agent can select the one in epoxychloropropane, MPD, tributyl phosphate, sulfonic acid ammonium salt, phosphate, epoxidized vegetable oil.
8. the suspending agent of composition according to claim 2, is characterized in that, described PH conditioning agent can select the one in citric acid, lactic acid, glacial acetic acid, hydrochloric acid, phosphoric acid, polyphosphoric acids.
9. the purposes of a kind of Pesticidal combination containing ethyl pleocidin according to claim 1, is characterized in that: the described Pesticidal combination containing ethyl pleocidin, can prevent and treat plant hopper on crops, aleyrodid, aphid, thrips, diamond-back moth, beet armyworm, mite.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410686635.1A CN104488871A (en) | 2014-11-25 | 2014-11-25 | Spinetoram-containing insecticidal composition and use thereof |
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| CN201410686635.1A CN104488871A (en) | 2014-11-25 | 2014-11-25 | Spinetoram-containing insecticidal composition and use thereof |
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| CN104488871A true CN104488871A (en) | 2015-04-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107751202A (en) * | 2016-08-16 | 2018-03-06 | 江苏龙灯化学有限公司 | A kind of Pesticidal combination |
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2014
- 2014-11-25 CN CN201410686635.1A patent/CN104488871A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107751202A (en) * | 2016-08-16 | 2018-03-06 | 江苏龙灯化学有限公司 | A kind of Pesticidal combination |
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Application publication date: 20150408 |