CN105707114A - Pesticide composition used for preventing and controlling Drosophila suzukii and preparation method thereof - Google Patents
Pesticide composition used for preventing and controlling Drosophila suzukii and preparation method thereof Download PDFInfo
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- CN105707114A CN105707114A CN201610237542.XA CN201610237542A CN105707114A CN 105707114 A CN105707114 A CN 105707114A CN 201610237542 A CN201610237542 A CN 201610237542A CN 105707114 A CN105707114 A CN 105707114A
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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
- A01N53/00—Biocides, pest repellants or attractants, or plant growth regulators containing cyclopropane carboxylic acids or derivatives thereof
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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
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
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Abstract
The invention belongs to the technical field of pesticide preparations, particularly relates to a pesticide composition used for preventing and controlling Drosophila suzukii, and further discloses a preparation method of the pesticide composition.The pesticide composition is formed by compounding bifenthrin and azadirachtin which are used as raw material pesticide, the advantages of the two types of pesticide are brought into full play and supplement each other, the advantages that azadirachtin is short in residue longevity and bifenthrin is rapid in effect are brought into play, the disadvantage that bifenthrin does not have systemic translocation is overcome, and the unexpected synergism is achieved after the two types of pesticide are compounded for use compared with the effects achieved when the raw material pesticide is independently used.The Drosophila suzukii prevention and control effect of the pesticide composition is remarkable, the number of pesticide spraying times is decreased, resistance is delayed, the service life of the new species is prolonged, the effects of reducing cost and environment pollution are achieved, the prevention and control effect of the compound pesticide composition is good, the prevention and control effect on Drosophila suzukii can reach 97% or above, and cost and environment pollution are reduced.
Description
Technical field
The invention belongs to technical field of pesticide preparations, be specifically related to a kind of composition pesticide for preventing and treating spotted wing drosophila, and disclose its preparation method further.
Background technology
Spotted wing drosophila Drosophilasuzukii, also known as Fructus Pruni pseudocerasi fruit bat, Ling Mushi fruit bat, is subordinate to Diptera, Aristocera, Drosophilidae, Drosophila, fruit fruit bat subgenus.Spotted wing drosophila is a kind of common insect pests that a lot of orchards crop all can face, and the plantation of the multiple berries such as blue berry, blackberry, Fructus Pruni pseudocerasi, Fructus Fragariae Ananssae, Fructus Pruni salicinae, Fructus Persicae, Fructus Vitis viniferae, Fructus Fici, Fructus actinidiae chinensis and pears and stone fruit is all had bigger harm by spotted wing drosophila.
Spotted wing drosophila occurs in Japan and China the earliest, recently other countries have been invaded again, due to the oopod indentation of spotted wing drosophila and there is certain degree of hardness, can puncturing the peel of fruit easily, be originated in by ovum inside intact fruit, unique visible infringement shape only has small trace of laying eggs in appearance, larva damage after egg hatching, make fruit soften completely, browning thus rot, be substantially reduced yield and the quality of fruit, the plantation of fruit especially Fructus Pruni pseudocerasi class fruit caused bigger harm.Since 2012, survey data shows, domestic many Fructus Pruni pseudocerasis plantation area is all subject to serious fruit bat harm, if not strengthening orchard management to take Prevention method in time, particularly in Fructus Pruni pseudocerasi middle-late ripening variety orchard, the Fructus Pruni pseudocerasi rate of being injured reaches 95%.
At present, the main means of prevention of this class pest is mainly chemical pesticide control by China, but it is as insecticide kind to be constantly increasing and innovation, owing to lacking the understanding to insecticide and irrational mashed up, people begin to pesticide abuse in large quantities, so not only do not reach good economic benefit, also create the pollution of environment and the increase of pest resistance to insecticide, their natural enemy of the even serious harm having.Additionally, due to spotted wing drosophila is just to start to endanger fruit when the fruit of orchard crop is soon ripe, and this time period is generally in harmony and meets fruit close to the collecting period, so the selection for sprayed insecticide kind and dosage is also required to very prudent.Therefore, for the preventing and treating of spotted wing drosophila, the research tool for agricultural chemical insecticide is of great significance.
Summary of the invention
For this, the technical problem to be solved is in that to provide a kind of composition pesticide that can effectively prevent and treat spotted wing drosophila, and discloses its preparation method and purposes further.
For solving above-mentioned technical problem, the composition pesticide for preventing and treating spotted wing drosophila of the present invention, described compositions includes Biphenthrin and nimbin, and the mass ratio of described Biphenthrin and nimbin is 0.4-1.75:1.
Preferably, the mass ratio of described Biphenthrin and nimbin is 0.8-1.6:1.
The invention also discloses described compositions for preparing the purposes of the pesticidal preparations preventing and treating spotted wing drosophila.
The invention also discloses a kind of pesticidal preparations for preventing and treating spotted wing drosophila, described pesticidal preparations is with described composition pesticide for raw material, and adds customary adjuvant, makes the formulations of pesticide of routine.
Further, described pesticidal preparations is in its gross mass, including being made by component:
More excellent, described pesticidal preparations is in its gross mass, including being made by component:
Described high osmotic agent is transdermal element.
Described emulsifying agent is agriculture breast 500 and/or agriculture breast 2201.
Described solvent is acetone or N,N-dimethylformamide.
The invention also discloses a kind of method for preventing and treating the pesticidal preparations of spotted wing drosophila described in preparation, take a selected amount of described Biphenthrin, and add the described solvent mixing stirring of part, it is simultaneously introduced the continuation stirring of a selected amount of emulsifying agent and is completely dissolved to described Biphenthrin；Then adding the stirring of a selected amount of described nimbin, add a selected amount of described high osmotic agent, and add solvent described in surplus after being completely dissolved to described nimbin, stirring prepares the solution of homogeneous transparent, to obtain final product.
The invention also discloses a kind of method preventing and treating spotted wing drosophila, including the step spraying described pesticidal preparations to crop.
Composition pesticide for preventing and treating spotted wing drosophila of the present invention carries out composite with Biphenthrin and nimbin for former medicine, wherein, Biphenthrin belongs to wide spectrum, efficient quick-acting pyrethroid insecticides, without interior suction and fumigation activity, to tag and stomach poison function, suppress the conduction at insecticide neural axon position, insecticide is had and walks quickly and keeps away, the effect knocked down and kill, insecticidal spectrum is wide, activity is higher, drug effect is rapid, fruit tree can be prevented and treated, vegetable, various pests on cereal crops, simultaneously, it has, as the 3rd generation pyrethroid medicament, the feature that pest resistance development is slower, but it is then poor to the prevention effect of spotted wing drosophila；And nimbin is as a kind of wide spectrum, efficient botanical pesticide, mainly through upsetting the balance of insecticide endocrine hormone, affect metabolism, destroy normal growth promoter, directly or indirectly destroy the chemoreceptor of insecticide mouthpart so as to produce Antifeedant Effects, by the effect of midgut digestive enzymes makes the nutrition of food change deficiency, affect the growth promoter of insecticide, but its to be used alone the prevention effect to spotted wing drosophila comparatively general.Composition pesticide of the present invention gives full play to the mutual supplement with each other's advantages of both the above pesticide original medicine, both the nimbin longevity of residure had been played short, Biphenthrin quick-acting this feature good, overcome again Biphenthrin without this shortcoming of interior absorption, independent role effect relative to the two former medicine, unforeseeable potentiation is had after composite use, it is notable that it prevents and treats spotted wing drosophila effect, reduce spray medicine number of times, delaying drug resistance, extend the new varieties life-span, reduce the effect of cost and environmental pollution, described compound pesticide preparation prevention effect is better, the prevention effect of spotted wing drosophila can be reached more than 97%, and reduce cost and environmental pollution.
In pesticidal preparations of the present invention, fully preferably the two make consumption, the consumption of described Biphenthrin is 2%-16%, overcomes because of too high levels that to be easily caused the obtained compound pesticide preparation longevity of residure long, influence ecological environment safety；And content is too low, the problem that obtained compound pesticide preparation does not reach good prevention effect can be caused again.And the consumption of nimbin is 2.5%-20%, overcome that nimbin ratio is too high causes obtained Recompounded pesticide high cost；And the too low problem that obtained Recompounded pesticide can be made not reach good prevention effect of ratio.
In pesticidal preparations of the present invention, described emulsifying agent can be selected for commercially available agriculture breast 500 and/or 2201, and consumption is 5%-20%, and the emulsion of prepared pesticidal preparations is relatively stable.And described high osmotic agent selects transdermal element, consumption is 3%-10%, and transdermal element makes medicine or the active additive diffusional resistance in horny layer reduce, and plays very strong Penetration enhancing effect, it is ensured that the insecticidal effect of its Recompounded pesticide finally prepared.
The Recompounded pesticide preventing and treating spotted wing drosophila of the present invention, adopt Biphenthrin and two kinds of pesticide original medicines of nimbin as main component, it is equipped with selected emulsifying agent and high osmotic agent, reach mutual supplement with each other's advantages, complementary effect, drug effect significantly improves, and decreases spray medicine number of times, reduce cost and environmental pollution, the prevention effect of spotted wing drosophila is substantially better than most products currently on the market.
Detailed description of the invention
The former medicine of Biphenthrin described in following example of the present invention and experimental example is combined pesticide company limited by middle peasant to be provided；Described nimbin raw medicine is provided by Shandong Xin Nongji pesticide chemical company limited；Raising sensitive population, raising temperature 25.0 ± 1.0 DEG C in insectary, Institute of Plant Protection of Shandong Academy of Agricultural Sciences for examination spotted wing drosophila, relative humidity is maintained at 70 ± 5%, photoperiod 16L: 8D；Choosing spotted wing drosophila adult is standard examination worm.
Embodiment 1
For preventing and treating the pesticidal preparations 100kg of spotted wing drosophila described in the present embodiment, by weight percentage, its raw material consists of: the former medicine 2% of Biphenthrin, nimbin raw medicine 5%, transdermal element 4%, farm chemical emulgent 22015%, DMF balance of solvent.
The preparation method of pesticidal preparations described in the present embodiment is: adds partial solvent in Biphenthrin, stirs 30-60 minute, then add described emulsifying agent 2201 wherein while stirring；After the former medicine of Biphenthrin dissolve, add nimbin, stir and after dissolving to nimbin, add transdermal element, add balance solvent, stir the solution of homogeneous transparent is target pesticidal preparations.
By the pesticidal preparations of above-mentioned preparation, the culture dish medicine embrane method after improving with reference to NY/T1154.8-2007 filter paper medicine embrane method, for the preventing and treating of spotted wing drosophila, spotted wing drosophila mortality rate reaches 91.63%.
Embodiment 2
For preventing and treating the pesticidal preparations 100kg of spotted wing drosophila described in the present embodiment, by weight percentage, its raw material consists of: the former medicine 4% of Biphenthrin, nimbin raw medicine 10%, transdermal element 6%, farm chemical emulgent 220110%, DMF balance of solvent.
The preparation method of pesticidal preparations described in the present embodiment is with embodiment 1.
By the pesticidal preparations of above-mentioned preparation, the culture dish medicine embrane method after improving with reference to NY/T1154.8-2007 filter paper medicine embrane method, for the preventing and treating of spotted wing drosophila, spotted wing drosophila mortality rate reaches 93.12%.
Embodiment 3
For preventing and treating the pesticidal preparations 100kg of spotted wing drosophila described in the present embodiment, by weight percentage, its raw material consists of: the former medicine 8% of Biphenthrin, nimbin raw medicine 12%, transdermal element 5%, farm chemical emulgent 220115%, DMF balance of solvent.
The preparation method of pesticidal preparations described in the present embodiment is with embodiment 1.
By the pesticidal preparations of above-mentioned preparation, the culture dish medicine embrane method after improving with reference to NY/T1154.8-2007 filter paper medicine embrane method, for the preventing and treating of spotted wing drosophila, spotted wing drosophila mortality rate reaches 94.75%.
Embodiment 4
For preventing and treating the pesticidal preparations 100kg of spotted wing drosophila described in the present embodiment, by weight percentage, its raw material consists of: the former medicine 12% of Biphenthrin, nimbin raw medicine 15%, transdermal element 8%, farm chemical emulgent 220112%, DMF balance of solvent.
The preparation method of pesticidal preparations described in the present embodiment is with embodiment 1.
By the pesticidal preparations of above-mentioned preparation, the culture dish medicine embrane method after improving with reference to NY/T1154.8-2007 filter paper medicine embrane method, for the preventing and treating of spotted wing drosophila, spotted wing drosophila mortality rate reaches 95.61%.
Embodiment 5
For preventing and treating the pesticidal preparations 100kg of spotted wing drosophila described in the present embodiment, by weight percentage, its raw material consists of: the former medicine 14% of Biphenthrin, nimbin raw medicine 8%, transdermal element 3%, farm chemical emulgent 220116%, DMF balance of solvent.
The preparation method of pesticidal preparations described in the present embodiment is with embodiment 1.
By the pesticidal preparations of above-mentioned preparation, the culture dish medicine embrane method after improving with reference to NY/T1154.8-2007 filter paper medicine embrane method, for the preventing and treating of spotted wing drosophila, spotted wing drosophila mortality rate reaches 96.23%.
Embodiment 6
For preventing and treating the pesticidal preparations 100kg of spotted wing drosophila described in the present embodiment, by weight percentage, its raw material consists of: the former medicine 10% of Biphenthrin, nimbin raw medicine 20%, transdermal element 10%, farm chemical emulgent 220120%, DMF balance of solvent.
The preparation method of pesticidal preparations described in the present embodiment is with embodiment 1.
By the pesticidal preparations of above-mentioned preparation, the culture dish medicine embrane method after improving with reference to NY/T1154.8-2007 filter paper medicine embrane method, for the preventing and treating of spotted wing drosophila, spotted wing drosophila mortality rate reaches 92.72%.
Embodiment 7
For preventing and treating the pesticidal preparations 100kg of spotted wing drosophila described in the present embodiment, by weight percentage, its raw material consists of: Biphenthrin 16%, nimbin 2.5%, transdermal element 10%, farm chemical emulgent 50020%, DMF balance of solvent.
The preparation method of pesticidal preparations described in the present embodiment is with embodiment 1.
Comparative example 1
It is that described pesticide 100kg prepared by former medicine that pesticidal preparations described in this comparative example is used alone Biphenthrin, and by weight percentage, its raw material consists of: Biphenthrin 15%, transdermal element 5%, farm chemical emulgent 220110%, DMF balance of solvent.
The preparation method of pesticidal preparations described in the present embodiment is: by adding partial solvent in Biphenthrin, stir 30-60 minute；Then add emulsifying agent and high osmotic agent wherein while stirring, add balance solvent, stir the solution of homogeneous transparent is target Recompounded pesticide.
By the pesticidal preparations of above-mentioned preparation, the culture dish medicine embrane method after improving with reference to NY/T1154.8-2007 filter paper medicine embrane method, for the preventing and treating of spotted wing drosophila, spotted wing drosophila mortality rate is 57.65%.
Comparative example 2
It is that described pesticide 100kg prepared by former medicine that pesticidal preparations described in this comparative example is used alone nimbin, and by weight percentage, its raw material consists of: nimbin 18%, transdermal element 5%, farm chemical emulgent 220110%, DMF balance of solvent.
The preparation method of pesticidal preparations described in the present embodiment is: by adding partial solvent in nimbin, stir 30-60 minute；Then add emulsifying agent and high osmotic agent wherein while stirring, add balance solvent, stir the solution of homogeneous transparent is target Recompounded pesticide.
By the pesticidal preparations of above-mentioned preparation, the culture dish medicine embrane method after improving with reference to NY/T1154.8-2007 filter paper medicine embrane method, for the preventing and treating of spotted wing drosophila, spotted wing drosophila mortality rate is 66.71%.
Through above-described embodiment and comparative example data it can be seen that in the present invention adopt two kinds of pesticide as main component, be equipped with emulsifying agent and high osmotic agent, reached mutual supplement with each other's advantages, complementary effect, the prevention effect of spotted wing drosophila significantly improves.
Experimental example
1, Biphenthrin and nimbin proportioning test
Owing to Biphenthrin and nimbin are the principle active component of this Recompounded pesticide, after Biphenthrin and nimbin are prepared Recompounded pesticide according to different proportioning mixing by the present invention, culture dish medicine embrane method after improving with reference to NY/T1154.8-2007 filter paper medicine embrane method, processes examination worm.
Reagent agent is diluted to 7 concentration, and tile a filter paper bottom diameter 10cm culture dish, draws the medicinal liquid 0.4mL to be measured of respective quality concentration prepared and drips at its surface, so as to just complete wetting.Then size is about after the apple flakes of 2cm × 2cm × 5mm impregnates 1min in the medicinal liquid to be measured of variable concentrations and takes out, be placed in and be covered with in the culture dish that identical medicinal liquid processes filter paper.The examination worm CO of Nature enemy 2h2Move in culture dish after gas anesthesia 5s.Each concentration processes 30, repeats 4 times, with clear water for comparison.Being 25.0 ± 1.0 DEG C in temperature, relative humidity is maintained at 70 ± 5%, cultivates in the illumination box of photoperiod 16L:8D.After checking medicine, 24h, 48h try the death condition of worm, record total borer population and dead borer population respectively, calculate mortality rate, LC50And co-toxicity coefficient, result is shown in table 1 below.
The action effect of table 1 different ratio medicament
| Medicament | 24h LC50Value (mg/L) | 24h co-toxicity coefficient | 48h LC50Value (mg/L) | 48h co-toxicity coefficient |
| Biphenthrin | 2.95 | 1.85 | ||
| Nimbin | 4.18 | 2.27 | ||
| Biphenthrin: nimbin (1:10) | 7.56 | 55.58 | 5.79 | 43.28 |
| Biphenthrin: nimbin (1:5) | 5.93 | 95.48 | 3.69 | 75.19 |
| Biphenthrin: nimbin (2:5) | 4.87 | 78.65 | 2.87 | 64.35 |
| Biphenthrin: nimbin (4:5) | 2.68 | 158.42 | 1.21 | 168.34 |
| Biphenthrin: nimbin (8:5) | 2.87 | 135.91 | 1.47 | 125.87 |
| Biphenthrin: nimbin (16:5) | 5.16 | 100.58 | 3.52 | 89.52 |
| Biphenthrin: nimbin (32:5) | 6.54 | 75.64 | 4.86 | 57.61 |
It can be seen that when the proportioning of Biphenthrin Yu nimbin is 0.8-1.6:1, the co-toxicity coefficient of gained composition pesticide is 125.87-168.34, and mixture effect is ideal from upper table 1.
2, the insecticidal effect of single dose and Recompounded pesticide
The purpose of this experimental example is in that research pesticide original medicine single dose and compound drug are adding high osmotic agent and the difference being not added with preventing and treating in high osmotic agent situation spotted wing drosophila field control effectiveness test respectively.
The compound pesticide preparation prepared in above-described embodiment and water are mixed homogeneously according to the ratio that volume ratio is 1:6000-8000 and is made into field and uses medicinal liquid, cherry tree and ground are carried out full field and uniformly sprays, every 50m2The amount of required compound pesticide preparation is 0.45mL-0.75mL.According to active characteristics in tree Weeds Around main after spotted wing drosophila larvae pupation, during spraying pesticide, emphasis sprays the weeds place on field surface.
Test and carry out in base cherry orchard tested by Shandong Province Tai Shanshi economizes fruit tree, the compound pesticide preparation mu consumption 10ml that the test process compound pesticide preparation mu consumption 10ml that respectively 10% Biphenthrin (adding high osmotic agent) mu consumption 50ml, 10% Biphenthrin former prescription agent mu consumption 50ml, 15% nimbin (adding high osmotic agent) mu consumption 50ml, 15% nimbin raw medicine single dose mu consumption 50ml, embodiment 4 obtain, embodiment 5 obtain.
To spray clear water for blank, totally 9 parallel processing experiments, each process is repeated 3 times, Gong27Ge community, each plot area 30m2, random district, community group arranges.Medical instruments are backpack Singapore profit agriculture aerosol apparatus, and a mu ground water consumption is 50Kg.After medicine, 3d, 5d, 7d investigation remaining borer population alive, calculates Rectifying efficacies, and experimental result is recorded in table 2 below.
Prevention effect (%)=(blank district borer population-treatment region alive borer population alive) borer population × 100 alive ,/blank district.
Table 2 single dose and compound drug prevent and treat spotted wing drosophila field test statistical result
Note: in * table, Rectifying efficacies carries out variance analysis after arcsine is changed, and carries out multiple comparisons with Deng Kenshi duncan's new multiple range method, is without significant difference in 0.05 level with same letter person in same column.
By above-mentioned result of the test it can be seen that the preventive effect of 3-7d is at 74.51%-87.61% after 10% Biphenthrin (adding high osmotic agent) medicine, it is significantly higher than and does not increase the preventive effect 57.81%-77.58% oozed；After 15% nimbin (adds high osmotic agent) medicine, the preventive effect of 3-7d is at 81.29%-85.76%, is significantly higher than and does not increase the preventive effect 58.64%-75.62% oozed；And after compound pesticide preparation (the adding high osmotic agent) medicine of preparation, the preventive effect of 3-7d, at 91.58%-94.67%, is significantly higher than and does not increase the preventive effect 75.67%-79.64% oozed in the embodiment of the present invention 4；And after compound pesticide preparation (the adding high osmotic agent) medicine of preparation, the preventive effect of 3-7d, at 94.68%-97.28%, is significantly higher than and does not increase the preventive effect 84.08%-89.75% oozed in the embodiment of the present invention 5.The compound pesticide preparation of the present invention preventive effect after medication 7 days is significantly larger than in prior art individually to adopt the prevention effect of Biphenthrin or nimbin, wherein, the preventive effect of 7d is 97.28% after medicine to add the compound pesticide preparation of high osmotic agent in embodiment 5, and prevention effect is best.
Obviously, above-described embodiment is only for clearly demonstrating example, and is not the restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.And the apparent change thus extended out or variation are still among the protection domain of the invention.
Claims (10)
1. the composition pesticide being used for preventing and treating spotted wing drosophila, it is characterised in that described compositions includes Biphenthrin and nimbin, and the mass ratio of described Biphenthrin and nimbin is 0.4-1.75:1.
2. the composition pesticide for preventing and treating spotted wing drosophila according to claim 1, it is characterised in that the mass ratio of described Biphenthrin and nimbin is 0.8-1.6:1.
3. the compositions described in claim 1 or 2 is for preparing the purposes of the pesticidal preparations preventing and treating spotted wing drosophila.
4. the pesticidal preparations being used for preventing and treating spotted wing drosophila, it is characterised in that described pesticidal preparations is with the composition pesticide described in claim 1 or 2 for raw material, and adds customary adjuvant, makes the formulations of pesticide of routine.
5. pesticidal preparations according to claim 4, it is characterised in that in the gross mass of described pesticidal preparations, including being made by component:
Biphenthrin 2-16wt%；
Nimbin 2.5-20wt%；
High osmotic agent 3-10wt%；
Emulsifying agent 5-20wt%；
Balance of solvent.
6. pesticidal preparations according to claim 5, it is characterised in that described high osmotic agent is transdermal element.
7. the pesticidal preparations according to claim 5 or 6, it is characterised in that described emulsifying agent is agriculture breast 500 and/or agriculture breast 2201.
8. the pesticidal preparations according to any one of claim 5-7, it is characterised in that described solvent is acetone or DMF.
9. the method prepared described in any one of claim 5-8 for preventing and treating the pesticidal preparations of spotted wing drosophila, it is characterized in that: take a selected amount of described Biphenthrin, and add the described solvent mixing stirring of part, it is simultaneously introduced the continuation stirring of a selected amount of emulsifying agent and is completely dissolved to described Biphenthrin；Then adding the stirring of a selected amount of described nimbin, add a selected amount of described high osmotic agent, and add solvent described in surplus after being completely dissolved to described nimbin, stirring prepares the solution of homogeneous transparent, to obtain final product.
10. the method preventing and treating spotted wing drosophila, it is characterised in that include spraying the step of pesticidal preparations described in any one of claim 5-8 to crop.
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| SE2050773A1 (en) * | 2020-06-26 | 2021-12-27 | Charles Kwadha | Deterrent composition and method |
| SE544112C2 (en) * | 2020-06-26 | 2021-12-28 | Charles Kwadha | Deterrent composition and method |
| WO2021262080A1 (en) * | 2020-06-26 | 2021-12-30 | Paul Becher | Deterrent composition and method |
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