CN110024792A - Agricultural double-crossed Pesticidal combination and its application - Google Patents
Agricultural double-crossed Pesticidal combination and its application Download PDFInfo
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- CN110024792A CN110024792A CN201910424683.6A CN201910424683A CN110024792A CN 110024792 A CN110024792 A CN 110024792A CN 201910424683 A CN201910424683 A CN 201910424683A CN 110024792 A CN110024792 A CN 110024792A
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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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- 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
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines
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Abstract
The present invention provides a kind of agricultural double-crossed Pesticidal combination 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 phonetic worm amine.The Pesticidal combination includes and auxiliary element, effective component are fluorine pyrrole furanone and phonetic worm amine, and the two weight ratio is 1:(0.1-10).The present invention has significant control efficiency, such as diamondback moth, prodenia litura, bean-pod borer, aphid, coccid, mealybug, black peach aphid and cotten aphid to the pest of sucking mouth parts in crops.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 production and application cost, 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 agricultural double-crossed Pesticidal combination 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.
Phonetic worm amine is the new pyrimidine insecticides found by company, Ube Industries Ltd., to diamondback moth, brown paddy plant hopper,
Rice green leafhopper, Tetranychus urticae and Meloidogyne incognita have preferable control efficiency.Speculate the mechanism of action and pyrimidifen, azoles worm acyl
Amine, tebufenpyrad are consistent, are Mitochondrial electron transmitting inhibitor (METI), can be used as the use of resistance management kind.
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 agricultural double-crossed desinsection group that a kind of resistance risk is small, at low cost, drug effect is long, environmental pollution is small
Close object.
The technical solution of the present invention is as follows:
A kind of agricultural double-crossed Pesticidal combination, including effective component and auxiliary element, effective component be fluorine pyrrole furanone and
The weight ratio of phonetic worm amine, fluorine pyrrole furanone and phonetic worm amine is 1:(0.1-10).
Preferably, the weight ratio of the effective component fluorine pyrrole furanone and phonetic worm amine is 1:(1-4).
Preferably, the weight ratio of the effective component fluorine pyrrole furanone and phonetic worm amine is 1:1 or 1:2 or 1:3.
Preferably, the weight hundred that the effective component fluorine pyrrole furanone and phonetic worm amine are shared in the Pesticidal combination
Dividing content is 1%~80%.
Preferably, total weight that the effective component fluorine pyrrole furanone and phonetic worm amine are shared in the Pesticidal combination
Amount percentage composition 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 agricultural double-crossed Pesticidal combination, dosage form are wettable powder, missible oil, aqueous emulsion, microemulsion, aqueous suspension agent
Or water dispersible granules.
Another aspect provides a kind of application of agricultural double-crossed Pesticidal combination, the agricultural double-crossed Insecticidal combinations
Object may act on such as brassicaceous vegetable, eggplant, fruit tree, grape, potato, beans plant, be not intended to prevent or control
Pest, the pest including various sucking mouth parts, such as diamondback moth, prodenia litura, bean-pod borer, aphid, coccid, mealybug, peach
Aphid and cotten aphid etc., wherein there is excellent control efficiency to coccid and diamondback moth.
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, and there is osmosis can also successfully prevent and treat in plant even if medicament is only sprayed onto blade tip
The pest of bottom, i.e., it is also effective to hidden pest.
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 Pesticidal combinations, including effective component and auxiliary element, effective component to be
The weight ratio of fluorine pyrrole furanone and phonetic worm amine, fluorine pyrrole furanone and phonetic worm amine is 1:(0.1-10).The present invention expands insecticidal spectrum,
Synergistic function is obvious；It is effective to hidden pest with osmosis；The field rate of effective component declines, and reduces life
Production and use cost reduce pesticide residue and environmental pollution, good to crop safety；By the group of effective components of different role mechanism
At action site increases, and 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 phonetic worm amine is set as 1:(0.2-7).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 phonetic worm amine can be with are as follows: 1:0.2,1:0.33,1:0.5,1:
1,1:1.5,1:2,1:2.5,1:3,1:3.5,1:4,1:4.5,1:5,1:5.5,1:6,1:6.5,1:7 etc..More preferably
The weight ratio of embodiment, effective component fluorine pyrrole furanone and phonetic worm amine is 1:(0.5-5), wherein in effective component fluorine pyrrole furanone
Weight ratio with phonetic worm amine is that 1:0.5 or 1:1 or 1:2 effect are best.
In a preferred embodiment, effective component fluorine pyrrole furanone and phonetic worm amine weight shared in the Pesticidal combination
Amount percentage composition is 1%-80%, and specific additive amount can be determined according to actual needs, such as the matter of fluorine pyrrole furanone and phonetic worm amine
Amount 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 furanone
The 5%-80% of the Pesticidal combination gross mass is accounted for the quality of phonetic worm amine.In the range, drug effect performance can met
Meanwhile 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
The phonetic worm aqueous amine emulsion of embodiment 1:(16.5% fluorine pyrrole furanone) 10:1
Formula: fluorine pyrrole furanone, 15%；Phonetic worm amine, 1.5%；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.
The phonetic worm aqueous amine emulsion of embodiment 2:(24% fluorine pyrrole furanone) 7:1
Formula: fluorine pyrrole furanone, 21%；Phonetic worm amine, 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 phonetic worm
Amine, emulsifier, solvent, cosolvent dissolution become oily phase, and the other compositions such as water, antifreeze, preservative, thickener are uniformly mixed
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 packet
Oil type aqueous emulsion.
The phonetic worm amine wettable powder of embodiment 3:(66% fluorine pyrrole furanone) 5:1
Formula: fluorine pyrrole furanone, 55%；Phonetic worm amine, 11%；Wetting agent lauryl sodium sulfate, 2%；Dispersing agent is wooden
Plain sulfoacid calcium, 8%；Filler white carbon black, 18%, filler kaolin, surplus.
The phonetic worm amine wettable powder of embodiment 4:(60% fluorine pyrrole furanone) 3:1
Formula: fluorine pyrrole furanone, 45%；Phonetic worm amine, 15%；Wetting agent lauryl sodium sulfate, 2%；Dispersing agent is wooden
Plain 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 phonetic worm amine is added in carrier, and surfactant and other function auxiliary agent are added wherein, mixing, through air-flow crushing
After remix obtained wettable powder.Capital equipment has mixing machine, airslide disintegrating mill.
The phonetic worm aqueous amine suspending agent of embodiment 5:(30% fluorine pyrrole furanone) 1:1
Formula: fluorine pyrrole furanone, 5%；Phonetic worm amine, 25%；Emulsifier agriculture breast NP-10,2%；Dispersant polycarboxylate,
3.5%；Thickener selects xanthan gum and aluminium-magnesium silicate, dosage are respectively 0.13% and 1.3%；Antifreeze glycol, 5%；Disappear
Infusion silicone compound, 0.2%；Water, surplus.
The phonetic worm aqueous amine suspending agent of embodiment 6:(64% fluorine pyrrole furanone) 1:3
Formula: fluorine pyrrole furanone, 8%；Phonetic worm amine, 56%；Emulsifier agriculture breast NP-10,2%；Dispersant polycarboxylate,
3%；Thickener selects xanthan gum and aluminium-magnesium silicate, dosage are respectively 0.1% and 1.5%；Antifreeze glycol, 5%；Defoaming agent
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 phonetic
Worm amine, surfactant and other function auxiliary agent are sequentially placed into reaction kettle, are mixed with water, through high speed shear, wet process
It is sanded, it is finally homogeneous to filter up to product.Capital equipment is batching kettle, colloid mill or homogeneous mixing machine, sand mill.
The phonetic worm amine missible oil of embodiment 7:(20% fluorine pyrrole furanone) 1:5
Formula: fluorine pyrrole furanone, 10%；Phonetic worm amine, 10%；Emulsifier selects agriculture breast 500# and agriculture breast OP-10#, dosage
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 phonetic worm
Amine is added in carrier, and surfactant and other function auxiliary agent are added wherein, is stirred in being stirred kettle
It is even.Being stirred kettle can be selected enamel reaction still, stainless steel stirred tank etc..
The phonetic worm amine microemulsion of embodiment 8:(20% fluorine pyrrole furanone) 1:7
Formula: fluorine pyrrole furanone, 5%；Phonetic worm amine, 15%；Solvent selects n,N-Dimethylformamide and ethyl acetate,
Dosage is respectively 20% and 15%；Emulsifier selects agriculture breast 602# and agriculture breast 500#, and dosage is respectively 9% and 6%；Water, surplus.
Embodiment 8 is microemulsion, the preparation method is as follows: in Example formulations ratio, by effective component fluorine pyrrole furanone with
Phonetic worm amine is completely dissolved with solvent and cosolvent, then adds other auxiliary agents, is uniformly mixed, is eventually adding water, is sufficiently stirred
Afterwards, it can be prepared by Pesticidal combination microemulsion formulation of the present invention.
The phonetic worm aqueous amine dispersible granule of embodiment 9:(66% fluorine pyrrole furanone) 1:10
Formula: fluorine pyrrole furanone, 6%；Phonetic worm amine, 60%；Wetting agent dodecylbenzene sodium sulfonate, 3%；Dispersing agent alkylnaphthalene
Sulfonate and formaldehyde condensation product, 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 phonetic worm amine are added in carrier, and surfactant and other function auxiliary agent are added wherein, mixing, after air-flow crushing
Add 10~25% water, water dispersible granules product then is made through kneading, granulation, drying, screening；Or the powder that crushed is existed
It sprays water, be granulated in boiling granulator, is dry, sieving product is made later.Capital equipment has mixing machine, airslide disintegrating mill, kneading
Machine, Squeezinggranulator, drying chamber or fluidized bed drying or boiling granulator, screening machine.
It is multiple to verify the two using indoor co-toxicity bioassay test is carried out after fluorine pyrrole furanone and phonetic worm amine compounding
Whether there is synergistic effect after matching, is described as follows.
1, fluorine pyrrole furanone and phonetic worm amine compound the indoor toxicity test to coccid
1.1 reagent agent
95% fluorine pyrrole furanone raw medicine, 95% phonetic worm amine 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 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 phonetic worm amine different ratio to coccid
From table 1 it follows that fluorine pyrrole furanone and phonetic worm amine are between 7:1-1:10, co-toxicity coefficient is all larger than 120,
Synergistic effect is shown as, wherein the phonetic worm amine of fluorine pyrrole furanone is that the synergistic effect of 1:3 is most obvious, co-toxicity coefficient 167, synergy
Effect is significant.
Using field control effectiveness test method, further prove fluorine pyrrole furanone and phonetic worm amine compounding in crop field use to prevention and treatment
Pest has synergistic effect, is described as follows.
2.1 field trials prevent and treat wild cabbage plutella xylostella
2.1.1 test method
It tests and is tested in Shandong Province Laixi City, wild cabbage 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 wild cabbage in each cell after medicine
120 wild cabbages are respectively selected in 4, north and south direction, and point 4 repetitions are tested, and investigate the diamondback moth quantity on wild cabbage.It is calculated with following formula
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 wild cabbage plutella xylostella
The Mixed Pharmacy of different proportion as can be seen from Table 2, although dosage is different, it is to wild cabbage plutella xylostella after medicine
Control efficiency control efficiency all worm amine WDG more phonetic than 17% fluorine pyrrole furanone SL and 10% of comparison medicament is good.According to field trial
Visual observations in the process, within the scope of certain test dose, plant growth is normal, and each treatment agent medicine does not occur to wild cabbage
Evil, illustrates that it is safe to wild cabbage.
2.2 greenhouses test prevention and treatment wheat aphid
2.2.1 test method
It tests and is tested in Weifang City, Shandong Province, wheat growing way is fine, it is tested using the conventional spray-on process that is watered,
Different concentration gradients is set, and 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 will be also sprayed.
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 wheat leaf blade (blade quantity is determined by insect density) of aphid larva and ovum, aphid on statistical sampling point
Worm larva head number, as insect population before being administered.The work borer population of survival is remained within 3,7,14,21 days after medicine on investigation and sampling point, is used
Correct quality comparison of the Revision insect recluced rate as 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 wheat growth situations estimate medicament to wheat 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 wheat aphid
According to observing during test, in the dosage range of test, wheat normal growth, different disposal medicament is to wheat
All do not occur phytotoxicity, illustrates that medicament is safe to wheat.Fluorine pyrrole furanone and phonetic worm amine different proportion as can be seen from Table 3
Mixture, dosage are different, but after being administered to the control efficiency of wheat aphid all than 17% fluorine pyrrole furanone SL of comparison medicament, 10% phonetic
The control efficiency of worm amine WDG and blank control group is good very much, the preventive effect after 14 days, remove embodiment 1 outside, 90% with
On.
It is measured by the above toxicity and field control effectiveness test, can be subtracted after finding fluorine pyrrole furanone and phonetic worm amine compounding
Few respective dosage, greatly improves sucking pest control efficiency, facilitates plant growth, improves crop quality, is not each
Composition activity is simply superimposed, and delays the generation of pest resistance to insecticide, safety and environmental protection, to crop safety under test dose, not shadow
Ring growth.Fluorine pyrrole furanone and phonetic worm amine are the combinations of more satisfactory compound drug.Compared with single dose, Insecticidal combinations of the present invention
Object has dosage few, and prevention and treatment drug effect is high, substantially increases lasting period, quick advantage, research and development of the invention and popularization pair
It is of great significance in the prevention and treatment of pest and disease damage and the protection of local environment.
Claims (10)
1. a kind of agricultural double-crossed Pesticidal combination, which is characterized in that including effective component and auxiliary element, effective component is fluorine pyrrole
The weight ratio of furanone and phonetic worm amine, fluorine pyrrole furanone and phonetic worm amine is 1:(0.1-10).
2. agricultural double-crossed Pesticidal combination according to claim 1, which is characterized in that the effective component fluorine pyrrole furanone
Weight ratio with phonetic worm amine is 1:(1-4).
3. agricultural double-crossed Pesticidal combination according to claim 2, which is characterized in that the effective component fluorine pyrrole furanone
Weight ratio with phonetic worm amine is 1:1 or 1:2 or 1:3.
4. agricultural double-crossed Pesticidal combination according to any one of claim 1-3, which is characterized in that the effective component
Fluorine pyrrole furanone and phonetic worm amine weight percentage shared in the Pesticidal combination are 1%~80%.
5. agricultural double-crossed Pesticidal combination according to claim 4, which is characterized in that the effective component fluorine pyrrole furanone
It is 5%-70% with phonetic worm amine total weight percentage shared in the Pesticidal combination.
6. agricultural double-crossed Pesticidal combination according to claim 4 or 5, which is characterized in that auxiliary element include carrier and
Auxiliary agent.
7. agricultural double-crossed Pesticidal combination according to claim 4, which is characterized in that the carrier is water, solvent or fills out
One of material is a variety of, and auxiliary agent includes at least a kind of surfactant and can be also added according to different use occasion and demand
Other functional aids.
8. agricultural double-crossed Pesticidal combination according to claim 7, which is characterized in that the surfactant is selected from emulsification
One of agent, dispersing agent, wetting agent or bleeding agent are a variety of；The functional aid includes antifreezing agent, thickener, stabilization
It is agent, disintegrating agent, one or more in defoaming agent.
9. agricultural double-crossed Pesticidal combination according to claim 4, which is characterized in that dosage form be wettable powder, missible oil,
Aqueous emulsion, microemulsion, aqueous suspension agent or water dispersible granules.
10. the application of agricultural double-crossed Pesticidal combination described in any one of claim 1-9, which is characterized in that for preventing
Or the undesirable pest of control, the pest including various sucking mouth parts, such as diamondback moth, prodenia litura, bean-pod borer, aphid, a red-spotted lizard
Shell worm, mealybug, black peach aphid and cotten aphid etc..
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Cited By (1)
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| CN110367262A (en) * | 2019-08-16 | 2019-10-25 | 青岛瀚生生物科技股份有限公司 | Agricultural double-crossed insecticide containing fluorine pyrrole furanone |
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Application publication date: 20190719 |