CN103636618B - A kind of Pesticidal combination containing flonicamid Yu paichongding - Google Patents
A kind of Pesticidal combination containing flonicamid Yu paichongding Download PDFInfo
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- CN103636618B CN103636618B CN201310530843.8A CN201310530843A CN103636618B CN 103636618 B CN103636618 B CN 103636618B CN 201310530843 A CN201310530843 A CN 201310530843A CN 103636618 B CN103636618 B CN 103636618B
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Abstract
The invention discloses a kind of Pesticidal combination containing flonicamid Yu paichongding.This Pesticidal combination includes the first effective ingredient flonicamid and the second effective ingredient paichongding and conventional auxiliary element, and wherein flonicamid and paichongding weight ratio in the composition is 20:1～1:20.Great number of indoor and outdoor experiments show that after being compounded, this Pesticidal combination has obvious synergistic function, and the insects such as the aphid on crops, plant hopper are had preferable prevention effect；Decrease Pesticide use amount simultaneously, reduce pesticide residual quantity on crops, alleviate the pollution to environment, delayed the generation of pest resistance to insecticide.
Description
Technical field
The present invention relates to agricultural insecticide compositions and application thereof, specifically one with flonicamid with paichongding is
Effective ingredient Pesticidal combination.
Background technology
Flonicamid is a kind of novel low-toxicity picolinamide insecticides, has and tags and stomach poison function.The pierce-suck types such as aphid
After mouthpart insect takes food the water sucked with flonicamid, juice can be inhaled by stoping rapidly, not have the most completely
Having Excreta to occur, finally dead because of hungry, drug effect is slower.It can permeate to stem, leaf portion from root, but by leaf portion
Relatively weak to stem, root osmosis.It has high safety to people, animal, environment.
Paichongding is a kind of new and effective, anabasine insecticide of low toxicity, wide spectrum, is mainly used in preventing and treating homoptera pest,
Planthopper is had good prevention effect.
The resistance problems of agricultural pests is a global problem, the emphasis class that always agricultural science and technology worker pays close attention to
Topic.Along with the continuity year in year out of Chemical Control of Harmful Insects, the increase of Pesticide use amount and not scientifical use pesticide etc. because of
Element, causes pest resistance day by day serious, and the pest species producing resistance is on the increase.Meanwhile, the use pesticide of high intensity,
Result in Practice for Pesticide Residue in Agricultural Products to exceed standard, pollute the series of problems such as environment and peasant's drug cost increase, be unfavorable for agricultural
Sustainable development.
Therefore, develop efficiently, low toxicity, low-residual, the different mechanism of action, have again the compounding of synergistic function simultaneously
Preparation, not only facilitates the generation delaying pest resistance to insecticide, but also can extend the service life of pesticide species, fall
Low using dosage, cost-effective, reduce the pollution to environment.
The compounded formula of flonicamid and paichongding is screened and conducts in-depth research by the present inventor, find flonicamid and
Paichongding compounds, and has obvious synergistic function in the range of certain compound proportion, in actual use,
The insects such as the aphid on crops, plant hopper all there are is preferable prevention effect, after further study, completes the present invention.
Through retrieval, do not find the pertinent literature report that flonicamid and paichongding compound at present.
Summary of the invention
It is an object of the invention to provide a kind of Pesticidal combination containing flonicamid Yu paichongding, this complex composition has
There is obvious synergistic function, be applied to the preventing and treating of aphid on crops, plant hopper.
Another object of the present invention is to the Pesticidal combination containing flonicamid Yu paichongding, in use can reduce use
Dose, reduce pesticide residual quantity on crops, delay the generation of pest resistance to insecticide；It can also be made various insects
Prevention effect is used alone to compare than single dose and significantly improves, laborsaving, economical, reduces farmer's burdens.
Technical solution of the present invention: a kind of Pesticidal combination containing flonicamid Yu paichongding, effective ingredient is fluorine pyridine worm acyl
Amine and paichongding, remaining is to allow in pesticide to use and acceptable auxiliary element.Flonicamid and paichongding are in combination
In thing weight ratio be 20:1～1:20.
The Pesticidal combination of the present invention is prepared as any one dosage form being suitable in agricultural production using by known method, compares
Good dosage form has suspending agent, aqueous emulsion, microemulsion, water dispersible granules and wettable powder.
The auxiliary element used in the present composition includes solvent, emulsifying agent, wetting agent, disintegrating agent, stabilizer, dispersion
Agent, thickening agent, pH adjusting agent, defoamer, antifreezing agent, carrier etc. are of value to effective ingredient and stablize in the formulation and play medicine
The known substance of effect is all conventional in pesticidal preparations or allows the various compositions used, concrete composition and consumption to want according to formula
Ask and determined by test.
Frequency of administration and the amount of application of the present composition have small variations with crops, insect, weather condition change, can
With by using suitable dosage to reach the purpose effectively prevented and treated.
Compared with prior art, it is an advantage of the current invention that:
1, flonicamid and paichongding compound and have synergistic function, are used alone than single dose and significantly improve evil
The prevention effect of worm；
2, flonicamid and paichongding are respectively provided with the different mechanism of action, can delay the generation of pest resistance to insecticide；
3, flonicamid and two kinds of effective ingredient of paichongding compound, and reduce Pesticide use amount, reduce use cost and
Pollution to environment.
Detailed description of the invention
In order to be more fully understood that the essence of the present invention, below in conjunction with embodiment, present disclosure is described further, but not
Limitation of the present invention can be considered as.
(1) Formulation Example.
In following examples, effective constituents A uses the 96% former medicine of flonicamid, and effective ingredient B uses 95% paichongding former
Medicine, each component percentages is weight percentage.
Embodiment 1: described Pesticidal combination is suspending agent, each component percentages is respectively as follows:
Concrete operation step is: first mixed by other auxiliary agent, and in cutter, shear-mixed is uniform, is subsequently adding effective ingredient
A and B, grinds 2-3h in ball crusher, makes a diameter all below 5 μm, can be prepared by Pesticidal combination of the present invention and suspends
Agent formulation.
Embodiment 2: described Pesticidal combination is aqueous emulsion, each component percentages is respectively as follows:
Concrete operation step is: first effective constituents A and B, solvent, emulsifying agent are mixed, and dissolves and becomes uniform
Oil phase.Again part water and other auxiliary agents are mixed, dissolve and become uniform aqueous phase.High-speed stirring the most in a kettle.
While mixing, oil phase is added aqueous phase, slowly adds water to reach phase inversion point, carry out high speed shear afterwards, and add remaining water,
Shear about 30min, can be prepared by Pesticidal combination aqueous emulsion preparation of the present invention.
Embodiment 3: described Pesticidal combination is microemulsion, each component percentages is respectively as follows:
Concrete operation step is: effective constituents A and B solvent and cosolvent is completely dissolved, then adds other auxiliary agent,
Mix homogeneously, is eventually adding water, after being sufficiently stirred for, can be prepared by Pesticidal combination microemulsion formulation of the present invention.
Embodiment 4: described Pesticidal combination is wettable powder, each component percentages is respectively as follows:
Concrete operation step is: by effective constituents A and B, other auxiliary agent and filler mixing, be sufficiently stirred in stirred tank,
Mix homogeneously after jet mill is pulverized, can be prepared by Pesticidal combination wettable powder formulation of the present invention.
Embodiment 5: described Pesticidal combination is water dispersible granules, each component percentages is respectively as follows:
Concrete operation step is: by effective constituents A and B, other auxiliary agent and filler mix homogeneously, use ultra micro comminution by gas stream
Machine is pulverized, and adds in fluidized-bed granulation dryer and carry out pelletize, be dried, after screening, can be prepared by the present invention and kill after mediating
Worm compositions water-dispersible grain agent formulation.
In above dosage form, auxiliary agent is selected from the following stated:
Solvent can be water, methanol, ethanol, butanol, propylene glycol, glycerol, Polyethylene Glycol, Ketohexamethylene, ketopyrrolidine,
The mixing of one or more in ethyl acetate, machine oil, solvent naphtha.
Emulsifying agent can be alkylphenol polyoxyethylene formaldehyde condensation products, alkylphenol polyoxyethylene phosphate, diphenyl phenol gather
Oxygen ethylene polyethenoxy ether, styrenated phenol polyoxyethylene ether, diphenyl phenol polyethenoxy polyoxy formaldehyde condensation products, agriculture breast 300#,
The mixing of one or more in agriculture breast 500#, agriculture breast 600#, Nongru-700 # etc..
Wetting agent can be aerosol-OT salt, sodium butylnaphthalenesulfonate, fatty acid amide N methyl taurine sodium salt,
Lignosulfonates, alkylphenol polyoxyethylene phosphate, petroleum sodium sulfonate, fatty acid ester sulfate, alkyl phenol polyoxy second
One or several in alkene ether, fatty alcohol-polyoxyethylene ether, phosphorous acid spent pulping liquor, tea seed cake powder, spaonin powder, Fructus Sapindi Mukouossi powder etc.
The mixing planted.
Disintegrating agent can be in sodium bicarbonate, magnesium chloride, aluminum chloride, sodium chloride, carbamide, ammonium sulfate, bentonite etc.
Kind or several mixing.
Dispersant can be sodium methylene bis-naphthalene sulfonate, sodium lignin sulfonate, fatty acid amide N methyl taurine sodium salt, alkyl
Phenol polyethenoxy ether sulfate, lignosulfite, fatty acid ester sulfate, alkylphenol polyoxyethylene, poly alkyl alcohol
The mixing of one or more in oxygen vinyl Ether etc..
Thickening agent can be polyvinyl alcohol, polyvinyl acetate, xanthan gum, gelatin, Radix Acaciae senegalis, polyvinylpyrrolidine
The mixing of one or more in ketone, aluminium-magnesium silicate, phenolic resin, hydroxymethyl cellulose, sodium alginate etc..
PH adjusting agent can be one or more in potassium hydroxide, sodium hydroxide, hydrochloric acid, acetic acid, citric acid, phosphoric acid etc.
Mixing.
Stabilizer can be with one or more in xylitol, mannitol, tetramethylolmethane, triphenyl phosphite, sodium citrate etc.
Mixing.
Defoamer can be the mixing of one or more in epoxy soybean oil, methanol, silicone oil etc..
Antifreezing agent can be the mixing of one or more in glycerol, propylene glycol, diethylene glycol, carbamide etc..
Carrier can be precipitated calcium carbonate, potter's clay, Kaolin, kieselguhr, bentonite, white carbon, clay, Pulvis Talci,
The mixing of one or more in quartz sand etc..
(2) indoor biological determination of activity and the field efficacy of the present composition is verified.
1, flonicamid and the paichongding indoor joint toxicity measuring to cabbage aphid.
For examination worm: indoor aphid 3 nymph in age for many generations raising health.
Reagent agent: the 96% former medicine of flonicamid and the former medicine of 95% paichongding.
Test method: use polypide drop method to be measured, specific as follows:
First being cleaned by micro intravenous drip device with solvent, regulation dropper is to resting state.Then neat and consistent is chosen with brush pen
Examination worm CO2Light anesthesia is placed in 9cm culture dish, then with micro intravenous drip device by standby medicinal liquid by head drop in examination worm
Polypide abdominal part, every some drops physic liquor 0.1 μ L, contain the process of corresponding acetone for comparison with drop 0.1 μ L.Finally will
Examination worm after drop is transferred in the incubator that (28 ± 1 DEG C) relative humidity is 75% normally cultivate respectively.Often process and set
4 repetitions, often repeat 20 examination worms.After process, (gently sting examination worm with pin without autonomic response be 24h investigation examination worm death condition
Judge the standard that examination worm is dead), record dead borer population and total borer population.
Carry out statistical analysis with DPS statistical analysis software, calculate the LC of each medicament50, and calculate mixture according to the abundant method of Sun Yun
Co-toxicity coefficient (CTC value).
Actual measurement toxicity index (ATI)=(standard agent LC50/ reagent agent LC50) × 100.
Percentage composition+B medicament the toxicity index of A in theoretical toxicity index (TTI)=A medicament toxicity index × mixture × mixed
The percentage composition of B in agent.
Co-toxicity coefficient (CTC)=[mixture actual measurement toxicity index (ATI)/mixture theory toxicity index (TTI)] × 100.
According to the NY/T11547.7-2006 insecticide combination effect criteria for classifying: co-toxicity coefficient (CTC) >=120 shows as increasing
Effect effect；Co-toxicity coefficient (CTC)≤80 shows as antagonism；80 ＜ co-toxicity coefficient (CTC) ＜ 120 show as being added
Effect.
Table 1, flonicamid and the paichongding indoor joint toxicity measuring to cabbage aphid.
| Medicament title and proportioning (weight ratio) | LC50(mg/L) | ATI | TTI | CTC |
| Flonicamid | 1.68 | 100.00 | - | - |
| Paichongding | 2.31 | 72.73 | - | - |
| Flonicamid: paichongding (20:1) | 1.26 | 133.33 | 98.70 | 135.09 |
| Flonicamid: paichongding (10:1) | 1.12 | 150.00 | 97.52 | 153.81 |
| Flonicamid: paichongding (1:1) | 1.07 | 157.01 | 86.36 | 181.80 |
| Flonicamid: paichongding (1:10) | 1.37 | 122.63 | 75.21 | 163.05 |
| Flonicamid: paichongding (1:20) | 1.61 | 104.35 | 74.03 | 140.96 |
As it can be seen from table 1 flonicamid and paichongding are 20:1～1:20(weight ratio at mixed ratio) in the range of
Time compounding, co-toxicity coefficient (CTC) is all higher than 120, Caulis et Folium Brassicae capitatae diamondback moth is shown synergistic function, it is seen that fluorine pyridine worm acyl
Amine and paichongding compound has reasonability and feasibility.
2, flonicamid and the compounding field control effectiveness test to cabbage aphid of paichongding.
This embodiment is used for preventing and treating cabbage aphid, investigates insect population radix before dispenser, and after medicine, 3d, 7d, 14d investigate residual respectively
Borer population alive, investigation Shi Mei community is carried out by diagonal 5 point sampling, and every some residual aphid looked on 2 strain Caulis et Folium Brassicae capitataes is recorded and lives
Borer population, calculates preventive effect.Preventive effect computational methods are as follows:
Preventive effect (%)=(1-CK1×Pt1/CK2×Pt2) × 100.
Wherein: CK1Represent insect population number before the medicine of check plot；Pt1Represent insect population number after treatment region medicine；
CK2Represent insect population number after the medicine of check plot；Pt2Represent insect population number before treatment region medicine.
Table 2, each result of the test processing chemical control cabbage aphid.
When 10% flonicamid paichongding aqueous suspension formulations mu consumption is 20-25g as can be seen from Table 2,3d after medicine,
7d, 14d are superior to each single dose to the preventive effect of Caulis et Folium Brassicae capitatae diamondback moth and are used alone, and after medicine, 14d preventive effect the most still reaches more than 85% simultaneously,
Illustrate that this compound drug has good lasting effect.During test survey, do not find that this compound drug produces medicine to Caulis et Folium Brassicae capitatae
Evil.
In sum, the complex composition that the present invention uses two kinds of active component to be flonicamid and paichongding, have collaborative
Potentiation.Compared with existing unitary agent, insecticidal effect significantly improves, and the lasting period is long, to crop safety, is worth
Popularization and application in agricultural production.
Claims (3)
1. the Pesticidal combination containing flonicamid and paichongding, it is characterised in that: effective ingredient be flonicamid and paichongding, flonicamid and paichongding in the composition weight ratio be 20:1～1:20.
A kind of Pesticidal combination containing flonicamid Yu paichongding the most according to claim 1, it is characterised in that: the dosage form of described Pesticidal combination is the one in suspending agent, water dispersible granules, aqueous emulsion, microemulsion, wettable powder.
3. the application on preventing and treating crops aphid, plant hopper of a kind of Pesticidal combination containing flonicamid and paichongding described in claim 1.
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| CN104304300B (en) * | 2014-10-27 | 2016-08-24 | 池州弘利农业科技开发有限公司 | A kind of containing paichongding with the insecticidal synergistic composition of triaguron |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1631887A (en) * | 2004-11-23 | 2005-06-29 | 华东理工大学 | Nitromethylene derivatives and uses thereof |
| CN101647460A (en) * | 2009-07-21 | 2010-02-17 | 深圳诺普信农化股份有限公司 | Pesticide composition with synergetic effect |
| CN102017964A (en) * | 2011-01-01 | 2011-04-20 | 陕西上格之路生物科学有限公司 | Insecticidal composite containing sulfoxaflor and paichongding (ipp) |
| WO2011151261A2 (en) * | 2010-05-31 | 2011-12-08 | Basf Se | Method for increasing the health of a plant |
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- 2013-10-30 CN CN201310530843.8A patent/CN103636618B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1631887A (en) * | 2004-11-23 | 2005-06-29 | 华东理工大学 | Nitromethylene derivatives and uses thereof |
| CN101647460A (en) * | 2009-07-21 | 2010-02-17 | 深圳诺普信农化股份有限公司 | Pesticide composition with synergetic effect |
| WO2011151261A2 (en) * | 2010-05-31 | 2011-12-08 | Basf Se | Method for increasing the health of a plant |
| CN102017964A (en) * | 2011-01-01 | 2011-04-20 | 陕西上格之路生物科学有限公司 | Insecticidal composite containing sulfoxaflor and paichongding (ipp) |
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