CN104430476A - Insecticide composition containing imidacloprid and furan tebufenozide as well as preparation method for insecticide composition - Google Patents
Insecticide composition containing imidacloprid and furan tebufenozide as well as preparation method for insecticide composition Download PDFInfo
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- CN104430476A CN104430476A CN201410679651.8A CN201410679651A CN104430476A CN 104430476 A CN104430476 A CN 104430476A CN 201410679651 A CN201410679651 A CN 201410679651A CN 104430476 A CN104430476 A CN 104430476A
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- imidacloprid
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Abstract
The invention discloses an insecticide composition containing imidacloprid and furan tebufenozide as well as a preparation method for the insecticide composition. The composition comprises imidacloprid (A) and furan tebufenozide (B); the weight ratio of imidacloprid to furan tebufenozide is (1-50):(50-1). The composition is prepared into various pesticide formulations by adding components of an emulsifier, a cosolvent, an antifreezing agent, a foam killer, a thickening agent, a stabilizer, an pH modulator, and the like; the preferential is environment-friendly water-based suspending agent formulation; the composition has synergistic interaction function on insecticidal efficacy, can delay insecticide resistance of pests, and can control various pests of plant hopper, whitefly, aphid, thrips, cabbage moth, beet armyworm, mite, and the like 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 Imidacloprid and furan tebufenozide and preparation method thereof.
Background technology:
Imidacloprid is nicotinoids super-high-efficient insecticide, and have wide spectrum, efficient, low toxicity, low-residual, insect not easily produces resistance, to features such as people, animal, plant and natural enemies securities, and have tag, the multiple action such as stomach toxicity and interior suction.After contacting pests medicament, nervous centralis normal conduction is obstructed, and makes it benumb death.Product quick-acting is good, and within after medicine 1 day, namely have higher preventive effect, residual life reaches about 25 days.Drug effect and temperature are proportionate, and temperature is high, good disinsection effect.Be mainly used in preventing and treating sucking pest.
Chemical name: 1 one (6 one chloropyridine 1 pyridylmethyl) N mono-Nitroimidazoline 1 base amine.
Physicochemical property: clear crystal, has faint odor, fusing point 143.8 DEG C (crystal form 1) 136.4 DEG C (form 2), vapour pressure 0.2 μ Pa (20 DEG C), density 1.543 (20 DEG C), Kowl ogP=0.57 (22 DEG C), solvability water 0.51g/L (20 DEG C), carrene 50-100, isopropyl alcohol 1-2, toluene 0.5-1, n-hexane <0.1 (g/L), 20 DEG C), pH5-11 stablizes.
Toxicity: rat acute LD50 of passing through mouth is 450mg/kg, acute through skin LD50>5000mg/kg.Acute inhalation LC50 (4h) >5323mg/m, has no stimulation to lagophthalmos eyeball and skin.
Controlling object: be mainly used in preventing and treating the sucking pest on the crops such as paddy rice, wheat, cotton, as aphid, leafhopper, thrips, trialeurodes vaporariorum and colorado potato beetle and wheat stem maggot etc.
Imidacloprid is nitro-methylene-type systemic insecticide, is the acting body of nicotinic acetylcholine esterase acceptor, and it is malfunctioning that interference pest movements nervous system makes chemical signal transmit, without cross resistance problem.For preventing and treating sucking pest and resistant strain thereof.
Furan tebufenozide, the insecticide that China has independent intellectual property right, chemistry N mono-(2,3-_7-hydrogen 1 by name, 7-dimethyl. benzofuran .6 mono-formoxyl) a 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 mono-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 Imidacloprid and furan tebufenozide and preparation method thereof, improves original preparation technique, improve preventive effect.
Technical solution of the present invention is as follows:
The present invention also additionally provides a kind of Pesticidal combination containing Imidacloprid and furan tebufenozide, 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:
Imidacloprid 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
40% Imidacloprid furan tebufenozide suspending agent preparation, each component proportion by weight:
Its preparation process is as follows: Imidacloprid 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 Imidacloprid and furan tebufenozide employing embodiment 1 is mixed with by different proportion the Imidacloprid furan tebufenozide suspending agent that total active ingredient weight percentage is 30%.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 Imidacloprid and the composite and single dose antagonism diamond-back moth of furan tebufenozide
| Reagent agent | EC50(mg | ATI | TTI | CTC |
| /l) | ||||
| Imidacloprid | 2.90 | |||
| Furan tebufenozide | 1.27 | |||
| Imidacloprid: furan tebufenozide=1:10 | 0.87 | 187.5 | 124.6 | 150.5 |
| Imidacloprid: furan tebufenozide=1:5 | 0.78 | 219.4 | 138.5 | 158.4 |
| Imidacloprid: furan tebufenozide=1:2 | 1.01 | 167.6 | 107.4 | 156.1 |
| Imidacloprid: furan tebufenozide=1:1 | 0.81 | 198.4 | 110.5 | 179.5 |
As can be seen from Table 1, Imidacloprid 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.
Experimental example 2
Leaf dipping method is adopted to carry out indoor synergy biologicall test, selection resistant bollworm is target pest, often process repetition 3 times, every concentration process 60, virulence regression equation and the lethal concentration of 50 of each medicament antagonism diamond-back moth is calculated by probability value method, press the abundant method of Sun Yun by LC50 value and calculate co-toxicity coefficient, evaluate mixed effect.
The results are shown in following table:
The toxicity test result of table 2 Imidacloprid and the composite and single dose antagonism cotton bollworm of furan tebufenozide
As can be seen from Table 2, Imidacloprid 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
20% Imidacloprid furan tebufenozide suspending agent preparation, each component proportion by weight:
Preparation method is with reference to embodiment 1
Experimental example 3
Control vegetables diamond-back moth field control effectiveness test is carried out to embodiment 2, with 20% Imidacloprid 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 Imidacloprid furan tebufenozide compound drug is to the field test results of vegetables diamond-back moth
As shown in Table 3, the invention composition suspending agent of the present embodiment 2 gained all shows good insecticidal activity under dilution 1500 times and 800 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 4
Carry out preventing and treating the field control effectiveness test of cotton bollworm to embodiment 2, with 20% Imidacloprid 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 4 Imidacloprid furan tebufenozide compound drug is to the field test results of cotton bollworm
As shown in Table 4, the invention composition suspending agent of the present embodiment 2 gained all shows good insecticidal activity under dilution 1500 times and 800 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 Imidacloprid 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 (10)
1. contain a Pesticidal combination for Imidacloprid and furan tebufenozide, it is characterized in that, described composition comprises Imidacloprid and furan tebufenozide two kinds of components, and its weight proportion is 1-50:50-1.
2. a kind of Pesticidal combination containing Imidacloprid and furan tebufenozide according to claim 1, it is characterized in that, described composition can prevent and treat the various insects such as plant hopper on crops, aleyrodid, aphid, thrips, diamond-back moth, beet armyworm, mite class.
3. a kind of Pesticidal combination containing Imidacloprid and furan tebufenozide according to claim 1, 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.
4. a kind of Pesticidal combination containing Imidacloprid and furan tebufenozide according to claim 1, 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 etc.
5. a kind of Pesticidal combination containing Imidacloprid and furan tebufenozide according to claim 1, is characterized in that, the optional spent glycol of described antifreezing agent, propane diols, glycerine, polyethylene glycol, sorbierite, urea one of them.
6. a kind of Pesticidal combination containing Imidacloprid and furan tebufenozide according to claim 1, it is characterized in that, described defoamer can select organic silicone oil, isooctanol etc.
7. a kind of Pesticidal combination containing Imidacloprid and furan tebufenozide according to claim 1, it is characterized in that, described thickener can select xanthans, gum Arabic, carboxymethyl cellulose, CMC, polyvinyl alcohol etc.
8. a kind of Pesticidal combination containing Imidacloprid and furan tebufenozide according to claim 1, it is characterized in that, described stabilizing agent can select epoxychloropropane, MPD, tributyl phosphate, sulfonic acid ammonium salt, phosphate, epoxidized vegetable oil etc.
9. a kind of Pesticidal combination containing Imidacloprid and furan tebufenozide according to claim 1, it 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.
10. one kind as arbitrary in claim 1-9 as described in the preparation method of composition, it is characterized in that, described preparation method comprises: Imidacloprid 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.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108617684A (en) * | 2018-06-19 | 2018-10-09 | 安徽省益农化工有限公司 | A kind of Thief zone resistance of rainwater washing against auxiliary agent is newly formulated suspending agent processing technology |
-
2014
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108617684A (en) * | 2018-06-19 | 2018-10-09 | 安徽省益农化工有限公司 | A kind of Thief zone resistance of rainwater washing against auxiliary agent is newly formulated suspending agent processing technology |
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Application publication date: 20150325 |