CN105123697A - Pesticidal composition containing pyridalyl and spinosad - Google Patents
Pesticidal composition containing pyridalyl and spinosad Download PDFInfo
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- CN105123697A CN105123697A CN201510440922.9A CN201510440922A CN105123697A CN 105123697 A CN105123697 A CN 105123697A CN 201510440922 A CN201510440922 A CN 201510440922A CN 105123697 A CN105123697 A CN 105123697A
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- pyridalyl
- pleocidin
- pesticidal combination
- pesticidal composition
- spinosad
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Abstract
The invention relates to a pesticidal composition containing pyridalyl and spinosad. Active components of the pesticidal composition include the pyridalyl and the spinosad which are compounded according to the mass ratio of 1-40:40-1. In the preparation, the total weight of the pyridalyl and the spinosad accounts for 1-80% of the total weight of the preparation, and the balanced are auxiliary components acceptable and receivable in pesticides. The pesticidal composition can be prepared into emulsion oil, a suspending agent, a wettable powder, a water dispersed granular, a water emulsion and a micro emulsion and the like. The pesticidal composition can be used for preventing and killing lepidoptera pests and various piercing-sucking mouthpart pests, such as aphid, thrips, phylloxera, mealybug, aleyrodid, scale insect and the like.
Description
Technical field
The present invention relates to technical field of pesticide combination, particularly relate to a kind of Pesticidal combination containing pyridalyl and pleocidin.
Background technology
Pyridalyl (pyridalyl) is the insecticide that the sumitomo chemical company of Tokyo has, pyridalyl has stomach toxicity and action of contace poison simultaneously, good control efficiency is had to lepidoptera pest, in addition certain activity is also had to thrips, to thrips natural enemies security, there is good integrated control effect.Pyridalyl chemistry 2-[3-[the chloro-4-of 2,6-bis-[(the chloro-2-acrylic of 3,3-bis-) oxygen base] phenoxy group] propoxyl group]-5-(trifluoromethyl) pyrimidine by name, its chemical structural formula is
.
It is a kind of macrolides Nuisanceless high-efficient biological insecticides extracted in sugared many born of the same parents bacterium (Saccharopolysporaspinosa) zymotic fluid of thorn that pleocidin has another name called multiple killing teichomycin (Spinosad).Produce parent strain soil actinomycetes thorniness saccharopolyspora strain (the SaccharopolysporaspinosaMetrz & Yao) initial separation of pleocidin from one of Caribbean discarded wine brewing field.The researcher of The Dow Agrosciences, LLC.'s (being now Dow Agrosciences LLC) finds that this bacterium can produce the very high compound of insecticidal activity, and practical product is the mixture of spinosynA and spinosynB, therefore is called spinosad.The mode of action of pleocidin is novel, can sustained activation target insect acetylcholine nicotine receptor, but its binding site is different from nicotine and Imidacloprid.Pleocidin also can affect GABA acceptor, but mechanism of action is unclear.
In the real process of agricultural production, using chemical agent is the most effective means of control plant pest, but is the generation of pest resistance to insecticide by the problem that chemical control insect the most easily produces.And long-term use single chemical insecticide continuously high dose, easily cause the series of problems such as the remaining of medicament, environmental pollution.Composite or the mixture of rational chemical insecticide has expansion insecticidal spectrum, improve control efficiency, extend the optimum period for applying fertilizer, reduce dosage, reduce poisoning, minimizing remains, delay pest resistance and the actively feature such as drug-fast generation and development, pesticide compositional or mixture are one of the effective methods the most solved the problem.We, on the basis of lab screening and field trial, filter out pyridalyl and pleocidin compound, have obvious synergistic effect.And about pyridalyl and pleocidin compound Pesticidal combination and apply and there is no people at present and reported.
Summary of the invention
Based on above situation, the object of the invention is to provide a kind of new and effective agricultural insecticide composition.Effectively can prevent and treat lepidoptera pest and various sucking pest, as aphid, thrips, wood louse, mealybug, aleyrodid and scale insect etc.
Technical scheme of the present invention is realized by following measures:
A kind of Pesticidal combination containing pyridalyl and pleocidin, in this Pesticidal combination, the mass ratio of active ingredient pyridalyl and pleocidin is 1 ~ 40: 40 ~ 1, described Pesticidal combination of the present invention is through toxicity test experimental verification, the mass ratio of pyridalyl and pleocidin is 1 ~ 40: 40 ~ 1 time, and synergistic effect is better.
The formulations of pesticide that described Pesticidal combination of the present invention can be prepared are the formulations such as missible oil, suspending agent, wetting powder, water dispersible granules, aqueous emulsion, microemulsion.Pyridalyl and pleocidin gross mass in the formulation accounts for 1% ~ 80% of the whole quality of the pharmaceutical preparations, and when wherein accounting for 15% ~ 50%, toxicity reaches good balance with residual, and cost is also lower.
The specific embodiments of the formulations of pesticide that Pesticidal combination of the present invention is mixed with is as follows:
Described Pesticidal combination is cream preparation, and the mass fraction of component is: pyridalyl 1 ~ 40 part; Pleocidin 1 ~ 40 part; Conventional emulsifier 10 ~ 30 parts; Conventional solvents 20 ~ 50 parts; Conventional synergist 1 ~ 5 part.The concrete production stage of this cream preparation be first active ingredient pyridalyl and pleocidin are added dissolve completely in solvent after add emulsifier again, synergist becomes transparent and homogeneous oily liquids after stirring, filling, namely can be made into the cream preparation of the present composition.
Described Pesticidal combination is suspending agent, and the mass fraction of component is: pyridalyl 1 ~ 40 part; Pleocidin 1 ~ 40 part; Dispersant 5 ~ 20 parts; Antifreezing agent 1 ~ 5 part; Thickener 0.1 ~ 2 part; Defoamer 0.1 ~ 0.8 part; Penetrating agent 0 ~ 10 part; PH value regulator 0.1 ~ 5 part; Water, surplus.The concrete production stage of this suspending agent is for first to mix other auxiliary agents, mix through high speed shear, add active ingredient pyridalyl and pleocidin, abrading-ball 2 ~ 3 hours in ball crusher, make a diameter all at below 5mm, namely can be made into the aqueous suspension formulations of the present composition.
Described Pesticidal combination is wetting powder, and the mass fraction of component is: pyridalyl 1 ~ 40 part; Pleocidin 1 ~ 40 part; Dispersant 3 ~ 10 parts; Wetting agent 1 ~ 5 part; Filler, surplus.The concrete production stage of this wetting powder is: mixed with pleocidin and dispersant, wetting agent and filler by active ingredient pyridalyl by above-mentioned formula, uniform stirring in stirred tank, mixing after airslide disintegrating mill, namely can be made into the wetting powder of the present composition.
Described Pesticidal combination is water dispersible granules, and the mass fraction of component is: pyridalyl 1 ~ 40 part; Pleocidin 1 ~ 40 part; Dispersant 3 ~ 10 parts; Wetting agent 1 ~ 10 part; Disintegrant 1 ~ 5 part; Filler surplus.The concrete production stage of this water dispersible granules is: mixed with pleocidin and dispersant, wetting agent, disintegrant and filler by active ingredient pyridalyl by above-mentioned formula, pulverize with micro jet, through mediating, then add in fluidized-bed granulation dryer and to carry out after granulation, drying, screening, through sample analysis, namely can be made into the water dispersible granules of the present composition.
Described Pesticidal combination is aqueous emulsion, and the mass fraction of component is: pyridalyl 1 ~ 40 part; Pleocidin 1 ~ 40 part; Emulsifier 3 ~ 30 parts; Solvent 5 ~ 15 parts; Stabilizing agent 2 ~ 15 parts; Antifreezing agent 1 ~ 5 part; Defoamer 0.1 ~ 8 part; Thickener 0.2 ~ 2 part; Water, surplus.The concrete production stage of this aqueous emulsion is: first pyridalyl and pleocidin, solvent and emulsifier, cosolvent are added together, and makes to be dissolved into uniform oil phase; By part water, antifreeze, other the insecticides adjuvant such as antimicrobial mixes uniformly aqueous phase; While high-speed stirred, oil phase is added aqueous phase in a kettle., slowly add water until reach phase inversion point, open clipper and carry out high speed shear, and add remaining water, shear about half an hour, form the aqueous emulsion of oil-in-water type, namely can be made into the aqueous emulsion of the present composition.
Described Pesticidal combination is microemulsion, and the mass fraction of component is: pyridalyl 1 ~ 40 part, pleocidin 1 ~ 40 part, emulsifier 10 ~ 30 parts, antifreezing agent 1 ~ 8 part, stabilizing agent 0.5 ~ 10 part, Conventional solvents cosolvent 20 ~ 50 parts.Pyridalyl and pleocidin cosolvent are dissolved completely, then add other compositions such as emulsifier, antifreezing agent stabilizing agent, Homogeneous phase mixing, finally adds water, can be made into microemulsion after fully stirring.
Wherein above-described emulsifier is selected from calcium dodecyl benzene sulfonate and aliphatic acid polyethenoxy ether, alkylphenol polyoxyethylene sulfosuccinate, styrylphenol polyoxyethylene ether, polyoxyethylene nonylphenol ether, castor oil polyoxyethylene ether, aliphatic acid polyethenoxy base ester, any one in polyoxyethylene aliphatic alcohol ether or more than one any mixtures than composition.
Described solvent is dimethylbenzene or biodiesel, toluene, diesel oil, methyl alcohol, ethanol, n-butanol, isopropyl alcohol, turpentine oil, solvent naphtha, dimethyl formamide, dimethyl sulfoxide (DMSO), and one or more in water equal solvent are arbitrarily than the mixture of composition.
Described dispersant is selected from polycarboxylate, lignosulfonates, alkylphenol polyoxyethylene methyl ether condensate sulfate, alkylsulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol polyoxyethylene, polyoxyethylene carboxylate, aliphatic amine polyoxyethylene ether, one or more in fatty acid glyceride APEO.
Described wetting agent is selected from lauryl sodium sulfate, calcium dodecyl benzene sulfonate, Nekal BX, moistening bleeding agent F, alkylbenzenesulfonate polyoxyethylene triphen phosphenylic acid salt dimly, spaonin powder, silkworm excrement, one or more in soapberry powder.
Described disintegrant is selected from bentonite, urea, ammonium sulfate, aluminium chloride, citric acid, succinic acid, one or more in sodium bicarbonate.
Described thickener is selected from xanthans, carboxymethyl cellulose, carboxyethyl cellulose, methylcellulose, Magnesiumaluminumsilicate, in polyvinyl alcohol one or more.
Described stabilizing agent is selected from sodium citrate, the one in resorcinol.
Described antifreezing agent is selected from ethylene glycol, propane diols, one or more in glycerine.
Described defoamer is selected from silicone oil, silicone compound, C
10-20saturated fat acid compounds, C
8-10one or more of fatty alcohol.
Described filler is selected from kaolin, diatomite, bentonite, attapulgite, white carbon, starch, one or more in precipitated calcium carbonate.
The present invention is that the compounded pesticides of pyridalyl and pleocidin has obvious synergistic effect with active ingredient, delay the drug-fast generation in key, and reduce into product cost and use cost, effectively can prevent and treat lepidoptera pest and various sucking pest, as aphid, thrips, wood louse, mealybug, aleyrodid and scale insect etc.
Embodiment
For making technical scheme of the present invention, object and advantage are clearly understood, the following specific embodiment of the present invention is described, but the present invention is not limited to these examples.The mode that effect experimental of the present invention adopts indoor biometrics and field trial to combine, if no special instructions, the ratio below mentioned is all ratio of quality and the number of copies.
Embodiment: pyridalyl and pleocidin different ratio co-toxicity are tested.
1.1 reagent agent
The former medicine of 98% pyridalyl, the former medicine of 95% pleocidin, above-mentioned former medicine provides by research and development department of extra large rel medicine company limited company.
1.2 test targets
Frankliniella occidentalis: be placed in temperature 27-29 DEG C, relative moisture about 50%, raises with sword bean angle in the incubator of periodicity of illumination 16/8h (L/D) and sets up population in raising bottle, get grow consistent 3 age nymph test.
1.3 experimental procedure
1.3.1 medicament preparation
First use the former medicine of acetone solution, appropriate two former medicines are made into different ratio by the result according to preliminary experiment, then it is stand-by with acetone, each process to be diluted to some concentration gradients respectively.
1.3.2 chemicals treatment
Leaf dipping method is adopted to measure.Preprepared wild cabbage leaf (2 ㎝ × 3 ㎝) was soaked for 10 seconds in liquid, take out nature dry to surface without washmarking, choose into Frankliniella occidentalis 3 nymph in age with writing brush, examination worm moved to (28
2) DEG C, normally cultivate in the culture dish of relative moisture 75%.Often process and repeat for 4 times, often repeat 20 examination worms.
1.4 control time
After process, 48h investigation examination worm death condition (judge that examination worm death standard is poured on black paper Frankliniella occidentalis and medicine leaf, touch polypide with writing brush, that can not creep is considered as death), records total borer population and dead borer population.
1.5 data statistics and analysis
According to investigation statistics, calculate the corrected mortality of each process.And adopt the abundant method of Sun Yun to calculate the co-toxicity coefficient (CTC value) of mixture with reference to NY/T1154.7-2006.If contrast lethality <5%, does not correct, contrast lethality, between 5%-20%, corrects by formula 2, and contrast lethality >20%, test need be reformed.
Be independent variable x with the logarithm value of drug concentration (mg/L), with the probability value of corrected mortality for dependent variable y, set up virulence regression equation formula respectively, adopt DPS software to calculate the EC of single dose and each proportioning mixture
50co-toxicity coefficient (CTC) is calculated according to the abundant method of Sun Yun.Co-toxicity coefficient CTC, computing formula is as follows: (take pyridalyl as standard agent, its toxicity index is 100):
The EC of toxicity index (the TI)=pyridalyl of pleocidin
50the EC of/pleocidin
50× 100
The EC of true toxicity index (the ATI)=pyridalyl of M
50the EC of/M
50× 100
TI × P pleocidin of TI × P pyridalyl+pleocidin of theoretical toxicity index (the TTI)=pyridalyl of M
TTI × 100 of the ATI/M of co-toxicity coefficient (the CTC)=M of M
In formula:
M is the mixture of pyridalyl and pleocidin different ratio
P pyridalyl is the ratio of pyridalyl shared by mixture
P pleocidin is the ratio of pleocidin shared by mixture.
2.1 toxicity test results
Table 1 pyridalyl, pleocidin are to the indoor measurement result of beet pretty young woman at night
As can be seen from the table, in active ingredient pyridalyl: when pleocidin ratio is 1:40 ~ 40:1 dilution, its co-toxicity coefficient is all greater than 120, shows certain synergistic effect, wherein pyridalyl: pleocidin is that the synergistic effect of 4:40 ~ 40:4 is the most obvious.Result of the test shows, pyridalyl and pleocidin compound all have higher activity to thrips in room conditions, advises carrying out further field control effectiveness test to suitable proportion about 4:40 ~ 40:4 mixture preparation, to evaluate its field practical application effect.
The experimental result of 3 field trial control thrips, aphid
3.1 field experiment control Frankliniella occidentalis tests
3.1.1 test method
Test in Liquan capsicum ground, Xianyang, Shanxi province city, thrips is contained the phase of sending out and carries out.Use WF-16 type knapsack hand sprayer, shower nozzle is single fan nozzle, and operating pressure is 0.2-0.4Mpa, and spray amount is 0.36-0.48L/min, carries out routine spraying, makes every effort to evenly thoughtful during spray medicine.
Duration of test weather is good, and daily mean temperature is 17.8 ~ 25.4 DEG C.Dispenser same day is without rain.
3.1.2 investigation method
Investigation insect population radix before dispenser, the sampling of 5, every community, often some random searching plant middle and upper part l0 piece spends the total head number of interior thrips, and same method is ld after administration, and 5d, 10d check remaining borer population of living, and calculate Revision insect recluced rate and control efficiency.
3.1.3 drug effect computational methods
Revision insect recluced rate (%)=(after medicine prelarva number-medicine larva number)/medicine prelarva number × 100
Preventive effect (%)=(treatment region Revision insect recluced rate-contrast Revision insect recluced rate)/(100-check plot Revision insect recluced rate) × 100.
3.1.4 poisoning investigation method
Within 1,5,10 day after medicine, observe chili growth situation, estimate medicament to capsicum without poisoning.
3.1.5 field control effectiveness test result
As can be seen from Table 2, the Mixed Pharmacy of different proportion, field experiment is carried out by different consumptions, after medicine, it is better than contrasting medicament to the control efficiency of capsicum Frankliniella occidentalis, with pyridalyl: pleocidin 24:24 ratio mixture control Frankliniella occidentalis instant effect, efficiency time is long, and insecticidal effect increases progressively along with the increase of consumption.According to experimental observation, each medication process does not all produce poisoning to capsicum.Suggestion dispenser rests in Frankliniella occidentalis occurance peak period, effectively can control the harm of Frankliniella occidentalis to host, to the raising of quality of vegetable with increase production significant, has stronger popularizing value.
4.1 field trial control apple aphids
4.1.1 test method
Test and test in apple ground, Guia Hill village, Guia Hill town, Qixia City of Shandong Province, apple growing way is fine, and the soil texture is loam, middle fertility, dispenser medical instruments are bodyguard WS-16 type manual sprayer, and cone nozzle is sprayed, operating pressure 0.2-0.4MPa, flow 0.65-0.88L/min.
4.1.2 control time and method
Investigation population number before medicine, after medicine 3,7, the residual borer population of living of investigation in 14 days, a treetop is respectively selected in direction, 4, the four corners of the world of setting in each community, and every tip marks 5 leaves and investigates Aphed population on 4 20 leaves altogether.By following formulae discovery decline rate and preventive effect.
4.1.3 drug effect computational methods
Revision insect recluced rate (%)=(after medicine prelarva number-medicine larva number)/medicine prelarva number × 100
Preventive effect (%)=(treatment region Revision insect recluced rate-contrast Revision insect recluced rate)/(100-check plot Revision insect recluced rate) × 100.
4.1.4 poisoning investigation method
After medicine 3,7, within 14 days, observe fruit tree growth situation, range estimation medicament to fruit tree without poisoning.
4.1.5 field control effectiveness test result
The experimental result of table 3 treatment agent control apple aphid
The Mixed Pharmacy of different proportion as can be seen from Table 3, tests by different consumptions, with pyridalyl: after pleocidin 24:24 ratio mixture medicine, it is all better than contrasting medicament to the control of apple aphid, and insecticidal effect increases progressively with the increase of dosage.According to field range estimation, within the scope of test dose, plant growth is normal, and the poisoning phenomenon to apple does not all appear in each treatment agent, illustrates that it is safe to apple.Advise that the insecticide different from the mechanism of action is used in combination with the generation delaying pest resistance to insecticide.
To sum up described in indoor biometrics and twice field experiment result, of the present invention with pyridalyl and pleocidin for active ingredient carries out two yuan of composite Pesticidal combinations, to thrips, the insects such as aphid show good control efficiency, to Target crops safety, compared with single dose, Pesticidal combination of the present invention has mechanism of action uniqueness, unit dose is few, quick-acting is good, lasting period is long, the plurality of advantages such as effect field is more wide in range, to plant diseases, insect pest can have better control, so, very large economic worth is produced in research and development of the present invention and promotion conference, to vast vegetables, the increasing both production and income of the peasant household in fruit tree producing region and the protection tool of local environment are of great significance.
Claims (4)
1. one kind contains the Pesticidal combination of pyridalyl and pleocidin, it is characterized in that: the active ingredient of this Pesticidal combination is pyridalyl and pleocidin binary built, all the other are auxiliary element, and wherein the mass ratio of active ingredient pyridalyl and pleocidin is 1 ~ 40: 40 ~ 1.
2. Pesticidal combination according to claim 1, is characterized in that: pyridalyl and pleocidin gross mass in the formulation accounts for 1% ~ 80% of the whole quality of the pharmaceutical preparations.
3. Pesticidal combination according to claim 2, is characterized in that: pyridalyl and pleocidin gross weight in the formulation accounts for 15% ~ 50% of the whole quality of the pharmaceutical preparations.
4. the Pesticidal combination according to claim 1 or 2 or 3, is characterized in that: the formulation of this Pesticidal combination is missible oil, suspending agent, wetting powder, water dispersible granules, aqueous emulsion, microemulsion
.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106922688A (en) * | 2017-05-13 | 2017-07-07 | 佛山市瑞生通科技有限公司 | Pesticidal combination containing destruxins and fluoroform pyrrole ether |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101755756A (en) * | 2009-11-03 | 2010-06-30 | 深圳诺普信农化股份有限公司 | Pyridalyl compound and application thereof |
| US20100184713A1 (en) * | 2007-07-12 | 2010-07-22 | Tsutomu Araki | Pesticidal composition |
| CN103355319A (en) * | 2012-03-28 | 2013-10-23 | 陕西韦尔奇作物保护有限公司 | Insecticidal composition containing pyridalyl and biological source |
-
2015
- 2015-07-25 CN CN201510440922.9A patent/CN105123697A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100184713A1 (en) * | 2007-07-12 | 2010-07-22 | Tsutomu Araki | Pesticidal composition |
| CN101755756A (en) * | 2009-11-03 | 2010-06-30 | 深圳诺普信农化股份有限公司 | Pyridalyl compound and application thereof |
| CN103355319A (en) * | 2012-03-28 | 2013-10-23 | 陕西韦尔奇作物保护有限公司 | Insecticidal composition containing pyridalyl and biological source |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106922688A (en) * | 2017-05-13 | 2017-07-07 | 佛山市瑞生通科技有限公司 | Pesticidal combination containing destruxins and fluoroform pyrrole ether |
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Application publication date: 20151209 |