CN110024791A - Complex insecticidal composition and its application - Google Patents
Complex insecticidal composition and its application Download PDFInfo
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- CN110024791A CN110024791A CN201910424689.3A CN201910424689A CN110024791A CN 110024791 A CN110024791 A CN 110024791A CN 201910424689 A CN201910424689 A CN 201910424689A CN 110024791 A CN110024791 A CN 110024791A
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- agent
- effective component
- fluorine pyrrole
- insecticidal composition
- spiromesifen
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/06—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings
- A01N43/12—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings condensed with a carbocyclic ring
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
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- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present invention provides a kind of complex insecticidal composition and its applications, belong to technical field of agricultural insecticide, in particular to a kind of effective component is the Pesticidal combination of fluorine pyrrole furanone and Spiromesifen.The Pesticidal combination includes and auxiliary element, effective component are fluorine pyrrole furanone and Spiromesifen, and the two weight ratio is 1:(0.1-10).The present invention has significant control efficiency to the pest of sucking mouth parts in crops emphatically, such as aphid, Bemisia tabaci, trialeurodes vaporariorum, brown paddy plant hopper, thrips, leafhopper, coccid, wood louse, diaphorina citri, weevil have prominent effect.The present invention expands insecticidal spectrum, and synergistic function is obvious；It is effective to hidden pest with osmosis；The field rate of effective component declines, and reduces pesticide residue and environmental pollution, good to crop safety；It is made of the effective component of different role mechanism, action site increases, and is conducive to overcome and delay the generation of pest resistance to insecticide.
Description
Technical field
The invention belongs to agricultural insecticide field, in particular to a kind of complex insecticidal composition and its application.
Background technique
With the promotion that the variation and pesticide of cropping system largely use, the insecticide variety of single active ingredient, which exists, to be killed
Worm narrow range, control efficiency be poor, application dosage is big, be also easy to produce phytotoxicity and more, the exacerbation environmental pollution of drug resistance, application times etc. is all
More drawbacks.For the resistance insect pest that agriculturally generates of prevention and treatment, a kind of method be release it is new with existing cost without mutual resistance
New component, but the development cost of new effective component is high, and the development cycle is long, and does not all catch up with the resistance speed of pest generation forever
Degree.Other methods such as crop structure adjustment, different pesticide rotations etc., during practical operation, it is also difficult to really rise
To apparent effect.
Fluorine pyrrole furanone belongs to anabasine insecticide, has interior suction, tags, stomach toxicity and osmosis.Pest can be made fast
Speed stops feeding, can effectively prevent the vector pests of transmitted virus and bacterium；Since it is with osmosis, even if medicament only sprays
It is spread across blade tip, can also successfully prevent and treat the pest in bottom feeding, i.e., it is also effective to hidden pest.Fluorine pyrrole furanone is available
In many plants, such as vegetables, fruit tree, nut, grape and some field crops (soya seeds processing, cotton etc.), to pierce-suck type
Mouthpart insect such as aphid, Ye Chan, thrips, aleyrodid, coccid, trialeurodes vaporariorum, wood louse, beetle, Liriomyza, mealybug, soft a red-spotted lizard, citrus wood
The control efficiency such as lice, weevil are obvious.
Spiromesifen is the tetronic acid insecticidal/acaricidal agent developed by Bayer Cropscience Co., Ltd, main by influencing pest
Development and fertility, substantially reduce oviposition quantity, play control efficiency.
Pesticidal combination kind containing single active ingredient often exists different degrees of in Agriculture Field Pests prevention and treatment
Defect, different cultivars ingredient compounded, and the control efficiency of insect pest can be improved, and is expanded insecticidal range, is reduced effective component
Dosage, save drug cost, reduce environmental pollution and shorten pesticide residue, be the important means of integrated control.
Summary of the invention
The present invention is intended to provide the compound insecticidal combination that a kind of resistance risk is small, at low cost, drug effect is long, environmental pollution is small
Object.
The technical solution of the present invention is as follows:
A kind of complex insecticidal composition, including effective component and auxiliary element, effective component are fluorine pyrrole furanone and Luo Jia
The weight ratio of mite ester, fluorine pyrrole furanone and Spiromesifen is 1:(0.1-10).
Preferably, the weight ratio of the effective component fluorine pyrrole furanone and Spiromesifen is 1:(0.2-5).
Preferably, the weight ratio of the effective component fluorine pyrrole furanone and Spiromesifen is 5:1 or 3:1 or 1:1 or 1:3
Or 1:5.
Preferably, the weight that the effective component fluorine pyrrole furanone and Spiromesifen are shared in the Pesticidal combination
Percentage composition is 1%~80%.
Preferably, the effective component fluorine pyrrole furanone and Spiromesifen are shared total in the Pesticidal combination
Weight percentage is 5%~70%.
The auxiliary element includes carrier and auxiliary agent.
Preferably, the carrier is one of water, solvent or filler or a variety of, auxiliary agent is living including at least a kind of surface
Other functional aids can be also added according to different use occasion and demand in property agent.
Preferably, the surfactant is selected from one of emulsifier, dispersing agent, wetting agent or bleeding agent or more
Kind；The functional aid includes antifreezing agent, thickener, stabilizer, disintegrating agent, one or more in defoaming agent.
The complex insecticidal composition, dosage form are wettable powder, missible oil, aqueous emulsion, aqueous suspension agent or water-dispersible grain
Agent.
Another aspect provides a kind of application of complex insecticidal composition, which can be acted on
In such as corn, cotton, vegetables, fruit tree, grape, potato, beans, tea tree and ornamental plant etc., it is not intended to prevent or control
Pest, the pest including various sucking mouth parts, as aphid, Bemisia tabaci, trialeurodes vaporariorum, brown paddy plant hopper, thrips, leafhopper, coccid,
Wood louse, mealybug, soft a red-spotted lizard, diaphorina citri, weevil have prominent effect etc., wherein having excellent preventive effect to coccid and trialeurodes vaporariorum.
The beneficial effects of the present invention are:
1, expand insecticidal spectrum, sucking pest control efficiency is greatly improved, facilitate plant growth, article is made in raising
Matter；
2, synergistic function is obvious, and the not instead of simple superposition of each component activity, drug effect greatly improves, and to larva
It is all effective with growth periods all including adult, and substantially reduce oviposition quantity；
3, prevention and treatment drug effect is high, both has osmosis, medicament can be made to penetrate into plant tissue, play long-term holding effect
Effect；Even if medicament is only sprayed onto blade tip, the pest in plant bottom can also be successfully prevented and treated, i.e., is also had to hidden pest
Effect.Because Spiromesifen has good lipophilicity, it is easy to it is adhered on the wax coat of crop leaf, therefore the resistance to rainwater punching of the formula
Brush ability is strong；
4, the field rate decline of effective component, reduces production and application cost, reduces pesticide residue and environmental pollution,
It is good to crop safety；
5, it is made of the effective component of different role mechanism, action site increases, and is conducive to overcome and delay the anti-medicine of pest
The generation of property.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
The embodiment provides a kind of complex insecticidal compositions, including effective component and auxiliary element, effectively at
It is divided into fluorine pyrrole furanone and Spiromesifen, the weight ratio of fluorine pyrrole furanone and Spiromesifen is 1:(0.1-10).The present invention expands
Insecticidal spectrum, synergistic function are obvious；It is effective to hidden pest with osmosis；The field rate of effective component declines,
Pesticide residue and environmental pollution are reduced, it is good to crop safety；It is made of the effective component of different role mechanism, action site increases
Add, is conducive to overcome and delay the generation of pest resistance to insecticide.
To achieve the goals above and play a role, in the preferred embodiment of the present invention, effective component fluorine pyrrole furans
The weight ratio of ketone and Spiromesifen is set as 1:(0.2-5).In above range, the insecticidal effect of effective component is shown as preferably
Synergistic effect, such as: the weight ratio of effective component fluorine pyrrole furanone and Spiromesifen can be with are as follows: 1:0.2,1:0.5,1:1,1:
1.5,1:2,1:2.5,1:3,1:3.5,1:4,1:4.5,1:5 etc..Embodiment more preferably, effective component fluorine pyrrole furanone
Weight ratio with Spiromesifen be 5:1 or 3:1 or 1:1 or 1:3 or 1:5 effect it is best.
In a preferred embodiment, effective component fluorine pyrrole furanone and Spiromesifen are shared in the Pesticidal combination
Weight percentage is 1%-80%, and specific additive amount can be determined according to actual needs, such as fluorine pyrrole furanone and Spiromesifen
Quality can account for 1%, 5%, 10%, 15%, 20%, 25%, 30%, 35%, 40%, 45%, 50%, 55%, 60%,
65%, 70%, 80% etc. or above range in other any one values.In some more preferred embodiments, the fluorine pyrrole furan
The quality of ketone and Spiromesifen of muttering accounts for the 5%-80% of the Pesticidal combination gross mass.In the range, drug effect can met
While performance, conducive to the dosage form for being prepared into excellent effect.
The auxiliary ingredients for pesticide preparations includes carrier and auxiliary agent.
The carrier is one of water, solvent or filler, two kinds or three kinds, the preferred deionized water of water.
The solvent is selected from n,N-Dimethylformamide, cyclohexanone, toluene, dimethylbenzene, dimethyl sulfoxide, methanol, second
Alcohol, trimethylcyclohexanone, n-octylpyrrolidone, ethanol amine, triethanolamine, isopropylamine, glacial acetic acid, propionic acid, phosphoric acid, N- first
Base pyrrolidones, propyl alcohol, butanol, ethylene glycol, diethylene glycol, ethylene glycol monomethyl ether, butyl ether, ethanol amine, isopropylamine, ethyl acetate or
The mixture of one of acetonitrile or a variety of compositions.
The filler is in kaolin, diatomite, bentonite, attapulgite, white carbon black, starch or precipitated calcium carbonate
The mixture of one or more compositions.
The auxiliary agent includes at least a kind of surfactant and can be also added antifreeze according to different use occasion and demand
The other functions auxiliary agent such as agent, thickener, stabilizer, disintegrating agent, defoaming agent.
The surfactant is selected from one of emulsifier, dispersing agent, wetting agent or bleeding agent or four kinds.Above-mentioned surface
Activating agent is the single dose or compound preparation of common nonionic surfactant or anionic surfactant.
Other function auxiliary agent one kind or five in antifreezing agent, thickener, stabilizer, disintegrating agent or defoaming agent
Kind.
The emulsifier is selected from agriculture breast 500# (alkyl benzene calcium sulfonate), OP series phosphate (nonylphenol polyoxyethylene ether phosphorus
Acid esters), 600# phosphate (phenyl phenol polyoxyethylene ether phosphate), styrene polyoxyethylene ether ammonium sulfate salt, alkyl biphenyl ether
Disulfonic acid magnesium salts, triethanolamine salt, agriculture breast 400# (benzyl dimethyl phenol polyoxyethyl ether), Nongru-700 # (alkylphenol formaldehyde tree
Rouge polyoxyethyl ether), peaceful cream 36# (phenethyl phenol formaldehyde resin polyoxyethyl ether), agriculture breast 1600# (phenethyl phenol polyoxyethanyl
Polypropylene-base ether), ethylene oxide-propylene oxide block copolymer, OP serial (nonylphenol polyoxyethylene ether), the serial (castor-oil plant of BY
Oily polyoxyethylene ether), agriculture breast 33# (alkylaryl polyoxyethylene poly-oxygen propylene aether), Span series (sorbitol anhydride monostearate),
One of TWEEN Series (anhydrous sorbitol resin acid ester APEO) or AEO serial (fatty alcohol polyoxyethylene ether) are more
The mixture of kind composition.
The dispersing agent be selected from polycarboxylate, lignosulfonates, APES formaldehyde condensation products sulfat,
Alkyl benzene calcium sulfonate, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkyl phenol polyoxyethylene ether, aliphatic amine polyoxyethylene ether, fatty acid polyglycol
The mixture of one of ethylene oxide ether or glycerol fatty acid ester polyoxyethylene ethe or a variety of compositions.
The wetting agent is selected from lauryl sodium sulfate, neopelex, Nekal BX, wetting and penetrating agent F, soap
The mixture of one of angle powder, silkworm excrement or spaonin powder or a variety of compositions.
The bleeding agent is selected from penetrating agent JFC (fatty alcohol polyoxyethylene ether), penetrant t (diisooctyl maleate
Sulfonate), the mixture of one of azone or organosilicon or a variety of compositions.
The antifreezing agent is selected from the mixture of one of ethylene glycol, propylene glycol, glycerine or urea or a variety of compositions.
The thickener be selected from one of xanthan gum, polyvinyl alcohol, bentonite, carboxymethyl cellulose or aluminium-magnesium silicate or
The mixture of a variety of compositions.
The stabilizer is selected from one kind or more of epoxidized soybean oil, epoxychloropropane, BHT, ethyl acetate, triphenyl phosphate
The mixture of kind composition.
The disintegrating agent is selected from bentonite, urea, ammonium sulfate, aluminium chloride, low-substituted hydroxypropyl cellulose, lactose, lemon
The mixture of one of acid, succinic acid or sodium bicarbonate or a variety of compositions.
The defoaming agent is selected from silicone oil, silicone compound, C10~C20 saturated fat acids compound or C8~C10 rouge
The mixture of one of fat alcohol compound or a variety of compositions.
Above-mentioned substance can be commercially available.
Any one dosage form of suitable agricultural use can be prepared by known methods into Pesticidal combination of the invention, compared with
Good dosage form is wettable powder, missible oil, aqueous emulsion, aqueous suspension agent or water dispersible granules.
Pesticidal combination and its application provided by the embodiment of the present invention are introduced in detail in order to become apparent from, below in conjunction with reality
It applies example and illustrates the present invention.Effect test of the invention is combined using indoor biological activity assay and field control effectiveness test
Mode.Unless otherwise instructed, ratio mentioned below is all mass fraction ratio.
The configuration of embodiment medicament
Embodiment 1:(16.5% fluorine pyrrole furanone Spiromesifen aqueous emulsion) 10:1
Formula: fluorine pyrrole furanone, 15%；Spiromesifen, 1.5%；Emulsifier agriculture breast NP-10,3%；Castor oil polyoxy second
Alkene ether, 2%；Phenyl phenol polyoxyethylene ether phosphate, 2%；Ethyl acetate, 15%；Cyclohexanone, 5%；Glacial acetic acid 5%；Antifreezing agent
Ethylene glycol, 5%；Defoaming agent silicone compound, 0.2%；Water, surplus.
Embodiment 2:(24% fluorine pyrrole furanone Spiromesifen aqueous emulsion) 7:1
Formula: fluorine pyrrole furanone, 21%；Spiromesifen, 3%；Emulsifier agriculture breast NP-10,3%；Castor oil polyoxyethylene
Ether, 2%；Phenyl phenol polyoxyethylene ether phosphate, 2%；Ethyl acetate, 15%；Cyclohexanone, 5%；Glacial acetic acid 5%；Antifreezing agent second
Glycol, 5%；Defoaming agent silicone compound, 0.2%；Water, surplus.
Embodiment 1,2 is aqueous emulsion, the preparation method is as follows: according to formula rate by effective component fluorine pyrrole furanone and Luo Jia
Mite ester, emulsifier, solvent, cosolvent dissolution become oily phase, the other compositions such as water, antifreeze, preservative, thickener are mixed equal
It is even to be used as water phase；Oil is mutually added dropwise to water phase while high speed shear in a kettle, shearing a period of time, forms stable water
Oil-in aqueous emulsion.
Embodiment 3:(66% fluorine pyrrole furanone Spiromesifen wettable powder) 5:1
Formula: fluorine pyrrole furanone, 55%；Spiromesifen, 11%；Wetting agent lauryl sodium sulfate, 2%；Dispersing agent wood
Quality sulfoacid calcium, 8%；Filler white carbon black, 18%, filler kaolin, surplus.
Embodiment 4:(60% fluorine pyrrole furanone Spiromesifen wettable powder) 3:1
Formula: fluorine pyrrole furanone, 45%；Spiromesifen, 15%；Wetting agent lauryl sodium sulfate, 2%；Dispersing agent wood
Quality sulfoacid calcium, 8%；Filler white carbon black, 18%, filler kaolin, surplus.
Embodiment 3,4 is wettable powder, the preparation method is as follows: in Example formulations ratio, by effective component fluorine pyrrole furan
Mutter ketone and Spiromesifen is added in carrier, and surfactant and other function auxiliary agent are added wherein, mixing, through air-flow powder
Obtained wettable powder is remixed after broken.Capital equipment has mixing machine, airslide disintegrating mill.
Embodiment 5:(30% fluorine pyrrole furanone Spiromesifen aqueous suspension agent) 1:1
Formula: fluorine pyrrole furanone, 5%；Spiromesifen, 25%；Emulsifier agriculture breast NP-10,2%；Dispersing agent polycarboxylic acids
Salt, 3.5%；Thickener selects xanthan gum and aluminium-magnesium silicate, dosage are respectively 0.13% and 1.3%；Antifreeze glycol, 5%；
Defoaming agent silicone compound, 0.2%；Water, surplus.
Embodiment 6:(64% fluorine pyrrole furanone Spiromesifen aqueous suspension agent) 1:3
Formula: fluorine pyrrole furanone, 8%；Spiromesifen, 56%；Emulsifier agriculture breast NP-10,2%；Dispersing agent polycarboxylic acids
Salt, 3%；Thickener selects xanthan gum and aluminium-magnesium silicate, dosage are respectively 0.1% and 1.5%；Antifreeze glycol, 5%；Disappear
Infusion silicone compound, 0.2%；Water, surplus.
Embodiment 5,6 is aqueous suspension agent, the preparation method is as follows: formula rate is pressed, by effective component fluorine pyrrole furanone and spiral shell
First mite ester, surfactant and other function auxiliary agent are sequentially placed into reaction kettle, are mixed with water, wet through high speed shear
Method is sanded, finally homogeneous to filter up to product.Capital equipment is batching kettle, colloid mill or homogeneous mixing machine, sand mill.
Embodiment 7:(20% fluorine pyrrole furanone Spiromesifen missible oil) 1:5
Formula: fluorine pyrrole furanone, 10%；Spiromesifen, 10%；Emulsifier selects agriculture breast 500# and agriculture breast OP-10#, uses
Amount is respectively 4% and 5%；Solvent selection n,N-Dimethylformamide, 15%；Ethyl acetate, 20%；Dimethylbenzene, surplus.
Embodiment 7 is missible oil, the preparation method is as follows: in Example formulations ratio by effective component fluorine pyrrole furanone and Luo Jia
Mite ester is added in carrier, and surfactant and other function auxiliary agent are added wherein, is stirred in being stirred kettle
Uniformly.Being stirred kettle can be selected enamel reaction still, stainless steel stirred tank etc..
Embodiment 8:(20% fluorine pyrrole furanone Spiromesifen microemulsion) 1:7
Formula: fluorine pyrrole furanone, 5%；Spiromesifen, 15%；Solvent selects n,N-Dimethylformamide and acetic acid second
Ester, dosage are respectively 20% and 15%；Emulsifier selects agriculture breast 602# and agriculture breast 500#, and dosage is respectively 9% and 6%；Water, it is remaining
Amount.
Embodiment 8 is microemulsion, in Example formulations ratio, by effective component fluorine pyrrole furanone and Spiromesifen solvent
And cosolvent is completely dissolved, and then adds other auxiliary agents, is uniformly mixed, is eventually adding water, after being sufficiently stirred, can be prepared by this
Invention Pesticidal combination microemulsion formulation.
Embodiment 9:(66% fluorine pyrrole furanone Spiromesifen water dispersant) 1:10
Formula: fluorine pyrrole furanone, 6%；Spiromesifen, 60%；Wetting agent dodecylbenzene sodium sulfonate, 3%；Dispersing agent alkyl
Naphthalenesulfonate formaldehyde condensation compound, 8%；Filler attapulgite, surplus.
Embodiment 9 is water dispersible granules, the preparation method is as follows: in Example formulations ratio, by effective component fluorine pyrrole furans
Ketone and Spiromesifen are added in carrier, and surfactant and other function auxiliary agent are added wherein, mixing, through air-flow crushing
Afterwards plus 10~25% water, then through kneading, granulation, drying, sieve be made water dispersible granules product；Or the powder that will be crushed
It sprays water, be granulated in boiling granulator, is dry, sieving product is made later.Capital equipment has mixing machine, airslide disintegrating mill, pinches
Conjunction machine, Squeezinggranulator, drying chamber or fluidized bed drying or boiling granulator, screening machine.
Both verified using indoor co-toxicity bioassay test is carried out after fluorine pyrrole furanone and Spiromesifen compounding
Whether there is synergistic effect after compounding, is described as follows.
1, fluorine pyrrole furanone and Spiromesifen compound the indoor toxicity test to coccid
1.1 reagent agent
95% fluorine pyrrole furanone raw medicine, 95% Spiromesifen raw medicine.
1.2 for trying target
5 generations of indoor continuous raising and its Individual Size and the consistent coccid of physiological status, 25 ± 2 DEG C of temperature.It is relatively wet
Degree 65% ± 5%, periodicity of illumination 12/12h (L/D).
1.3 experimental procedure
1.3.1 medicament is prepared
Acetone solution raw medicine is first used, on the basis of prerun, is respectively dissolved two kinds of raw medicines, then with 0.1% Tween 80 water
Solution is diluted to 5 concentration gradient medical fluids, is placed in a beaker spare.
1.3.2 chemicals treatment
Test method: using the method that first leaching leaf is followed by worm, will match not in contact with the blade of the same size of any medicament
It takes out, naturally dry, is put into insect box after immersion 5s in the medical fluid set, then connect for trying larva, under the conditions of 25 DEG C
It raises, 3 repetitions of every processing, test worm number used in every repetition is 120, while setting blank control.
1.3.3 control time
72h investigates test worm death condition after processing, records total borer population and dead borer population.
1.3.4 data statistics and analysis
According to investigation statistics, the corrected mortality of each processing is calculated.And Sun Yunpei's Method is used referring to NY/T1154.7-2006
Calculate the co-toxicity coefficient (CTC value) of mixture.If compareing the death rate < 5%, do not correct, compares the death rate between 5%-20%, press
Formula 2 is corrected, and compares the death rate > 20%, and test need to reform.
Using the logarithm of drug concentration (mg/L) as independent variable x, using the probability value of corrected mortality as dependent variable y, respectively
Virulence regression equation is established, is calculated altogether using the LC50 that DPS software calculates single dose and each proportion mixture according to Sun Yunpei method
Malicious coefficient (CTC).Co-toxicity coefficient CTC, calculation formula are as follows: (using fluorine pyrrole furanone as standard agent, toxicity index is
100):
Survey toxicity index (ATI)=(standard agent LC50/ reagent agent LC50) × 100
In theoretical toxicity index (TTI)=A medicament ATI × mixture in percentage composition+B medicament ATI × mixture of A B hundred
Divide content
Co-toxicity coefficient (CTC)=(mixture ATI/ mixture TTI) × 100
CTC is synergistic effect when being greater than 120, is antagonism when less than 80, is summation action when 80~120.
The The Toxicity Determination result of 1 fluorine pyrrole furanone of table and Spiromesifen different ratio to coccid
As can be seen from the table, between 7:1-1:7, co-toxicity coefficient is all larger than 120 for fluorine pyrrole furanone and Spiromesifen,
Synergistic effect is shown as, wherein fluorine pyrrole furanone Spiromesifen is that the synergistic effect of 1:1 is most obvious, and co-toxicity coefficient 159 increases
Effect effect is significant.
2, field control effectiveness test
2.1 field trials prevent and treat tomato aphid
2.1.1 test method
It tests and is tested in Shandong Province Laixi City, tomato growing way is fine, and the soil texture is loam, middle fertility, application
Medical instruments are bodyguard WS-16 type hand sprayer, and cone nozzle is spraying, operating pressure 0.2-0.4MPa, flow 0.65-0.88L/
min。
2.1.2 control time and method
Population number is investigated before medicine, investigation in 3,7,14,21 days remains borer population living, the thing of tomato in each cell after medicine
A branch is respectively selected in 4, north and south direction, and 5 leaves of every branch label investigate the Aphed population on 4 20 leaves altogether.To
Lower formula calculates decline rate and preventive effect.
2.1.3 drug effect calculation method
2.1.4 phytotoxicity investigation method
1,3,7,14 after medicine, 21 days observation wild cabbage growing states estimate medicament to wild cabbage without phytotoxicity.
2.1.5 field control effectiveness test result
Data processing uses DPS software, calculates preventive effect, and evaluate preventive effect effect.
The experimental result of 2 treatment agent of table prevention and treatment tomato aphid
The Mixed Pharmacy of different proportion as can be seen from Table 2, although dosage is different, it prevents tomato aphid after medicine
It is good to control control efficiency of the effect all than comparison medicament 17% fluorine pyrrole furanone SL and 24% Spiromesifen SC.According to field trial mistake
Visual observations in journey, within the scope of certain test dose, plant growth is normal, and each treatment agent medicine does not occur to tomato
Evil, illustrates that it is safe to tomato.
2.2 greenhouses test prevention and treatment cucumber trialeurodes vaporariorum
2.2.1 test method
It tests and is tested in Shouguang City, Shandong Province green house of vegetables, cucumber growing way is fine, is watered spray-on process using conventional
It is tested, different concentration gradients is set, application medical instruments are bodyguard WS-16 type hand sprayer, operating pressure 0.2-
0.4MPa, flow 0.36-0.68L/min, when spray, will accomplish uniform and delicate, make each blade that can be sprayed onto medical fluid, reverse side
It is sprayed.It is carried out in greenhouse because testing, externally mild weather is without particular requirement.
2.2.2 investigation method
The preceding sample point taken in each cell according to diagonal line at 5 as investigation population number of application, each sample point
Basis for selecting has 2~3 plants of cucumber leaves (blade quantity is determined by insect density) of trialeurodes vaporariorum larva and ovum, on statistical sampling point
Trialeurodes vaporariorum larva head number, as insect population before being administered.The work worm of survival is remained within 3,7,14,21 days after medicine on investigation and sampling point
Number uses correction Revision insect recluced rate as the quality comparison of control efficiency.
2.2.3 drug effect calculation method
Revision insect recluced rate (%)=(larva number after medicine prelarva number-medicine)/medicine prelarva number × 100
Preventive effect (%)=(treatment region Revision insect recluced rate-control Revision insect recluced rate)/(check plot 100- Revision insect recluced rate) ×
100。
2.2.4 phytotoxicity investigation method
3,7,14 after medicine, 21 days observation cucumber growth situations estimate medicament to cucumber without phytotoxicity.
2.2.5 field control effectiveness test result
Data processing uses DPS software, calculates preventive effect, and evaluate preventive effect effect.
The experimental result of 3 treatment agent of table prevention and treatment greenhouse cucumber trialeurodes vaporariorum
According to observation during greenhouse test, in the dosage range of test, cucumber normal growth, different disposal
Medicament does not all occur phytotoxicity to cucumber, illustrates that medicament is safe to cucumber.Fluorine pyrrole furanone and Luo Jia as can be seen from Table 3
Mite ester different proportion mixture, dosage is different, but after being administered to the control efficiency of cucumber trialeurodes vaporariorum all than 17% fluorine pyrrole of comparison medicament
The control efficiency of furanone SL, 24% Spiromesifen SC and blank control group are good very much, the preventive effect after 14 days, remove embodiment
Outside 1 and 9,90% or more.
It is measured by the above toxicity and field efficacy and greenhouse pharmacodynamic test, finds fluorine pyrrole furanone and Luo Jia
Respective dosage can be reduced after mite ester compounding, sucking pest control efficiency is greatly improved, plant growth is facilitated, is improved
Crop quality is not the simple superposition of each component activity, delays the generation of pest resistance to insecticide, safety and environmental protection, under test dose
To crop safety, do not influence to grow.Fluorine pyrrole furanone and Spiromesifen are the combinations of more satisfactory compound drug.With single dose phase
Than Pesticidal combination of the present invention has dosage few, and prevention and treatment drug effect is high, to all growth periods including larva and adult
All effectively, lasting period, quick advantage are substantially increased, research and development of the invention and popularization are for farmer richness and local ecology
The protection of environment is of great significance.
Claims (10)
1. a kind of complex insecticidal composition, which is characterized in that including effective component and auxiliary element, effective component is fluorine pyrrole furans
The weight ratio of ketone and Spiromesifen, fluorine pyrrole furanone and Spiromesifen is 1:(0.1-10).
2. complex insecticidal composition according to claim 1, which is characterized in that the effective component fluorine pyrrole furanone and spiral shell
The weight ratio of first mite ester is 1:(0.2-5).
3. complex insecticidal composition according to claim 2, which is characterized in that the effective component fluorine pyrrole furanone and spiral shell
The weight ratio of first mite ester is 5:1 or 3:1 or 1:1 or 1:3 or 1:5.
4. complex insecticidal composition according to any one of claim 1-3, which is characterized in that the effective component fluorine pyrrole
Furanone and Spiromesifen weight percentage shared in the Pesticidal combination are 1%~80%.
5. complex insecticidal composition according to claim 4, which is characterized in that the effective component fluorine pyrrole furanone and spiral shell
First mite ester total weight percentage shared in the Pesticidal combination is 5%~70%.
6. complex insecticidal composition according to claim 4, which is characterized in that auxiliary element includes carrier and auxiliary agent.
7. complex insecticidal composition according to claim 6, which is characterized in that the carrier is in water, solvent or filler
It is one or more, auxiliary agent include at least a kind of surfactant can be also added other according to different use occasion and demand
Functional aid.
8. complex insecticidal composition according to claim 7, which is characterized in that the surfactant be selected from emulsifier,
One of dispersing agent, wetting agent or bleeding agent are a variety of；The functional aid includes antifreezing agent, thickener, stabilizer, collapses
It is one or more in solution agent, defoaming agent.
9. complex insecticidal composition according to claim 4, which is characterized in that dosage form is wettable powder, missible oil, water and milk
Agent, aqueous suspension agent or water dispersible granules.
10. the application of complex insecticidal composition described in any one of claim 1-9, which is characterized in that for preventing or controlling
Undesirable pest is made, the pest including various sucking mouth parts, such as aphid, Bemisia tabaci, trialeurodes vaporariorum, brown paddy plant hopper, thrips, leaf
Cicada, coccid, wood louse, mealybug, soft a red-spotted lizard, diaphorina citri, weevil have prominent effect etc., wherein having to coccid and trialeurodes vaporariorum excellent
Different preventive effect.
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| EP4265110A1 (en) * | 2022-04-20 | 2023-10-25 | Bayer AG | Water dispersible granules with low melting active ingredients prepared by extrusion |
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| WO2023203009A1 (en) * | 2022-04-20 | 2023-10-26 | Bayer Aktiengesellschaft | Water dispersible granules with low melting active ingredients prepared by extrusion |
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