CN110024803A - A kind of Pesticidal combination and its preparation of spirotetramat - Google Patents
A kind of Pesticidal combination and its preparation of spirotetramat Download PDFInfo
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- CN110024803A CN110024803A CN201910419537.4A CN201910419537A CN110024803A CN 110024803 A CN110024803 A CN 110024803A CN 201910419537 A CN201910419537 A CN 201910419537A CN 110024803 A CN110024803 A CN 110024803A
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- pesticidal combination
- spiral shell
- jervine
- spirotetramat
- ethyl ester
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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
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
- A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
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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
-
- 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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having no bond to a nitrogen atom
- A01N47/06—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having no bond to a nitrogen atom containing —O—CO—O— groups; Thio analogues thereof
-
- 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
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
-
- 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
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/40—Liliopsida [monocotyledons]
- A01N65/44—Poaceae or Gramineae [Grass family], e.g. bamboo, lemon grass or citronella grass
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Plant Pathology (AREA)
- Agronomy & Crop Science (AREA)
- Environmental Sciences (AREA)
- Dentistry (AREA)
- Pest Control & Pesticides (AREA)
- Biotechnology (AREA)
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- Natural Medicines & Medicinal Plants (AREA)
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present invention relates to a kind of Pesticidal combination of spirotetramat and its preparation, effective component is spiral shell worm ethyl ester and jervine, and the two proportion is 1:(0.2~0.5).Spiral shell worm ethyl ester and jervine are carried out binary built by the present invention, have apparent synergistic effect, medicament quick-acting and lasting effect are good, and reduce production cost and use cost, the prevention and treatment especially suitable for thrips.
Description
Technical field
The present invention relates to technical field of pesticide compounding, more particularly to the Pesticidal combination and its system of a kind of spirotetramat
Agent.
Background technique
Spiral shell worm ethyl ester is a kind of novel season acid derivative insecticides, leads to larva by the Fatty synthesis of interference insect
Death, and the fertility of adult can be reduced.Spiral shell worm ethyl ester can in xylem and bast two-way Uptake and translocation, can be entire
It is moved down upwards in plant, arrives at blade face and bark, thus the pest hidden and caused harm can be effectively prevented.Spiral shell worm ethyl ester is applicable in
In various crop, class pest is inhaled to various pierce-suck types and file and all has good control efficiency.
Jervine is plant insecticide, has to insect and tags and stomach poison function.The medicament is through polypide epidermis or sucks
Into after digestive system, local stimulation is caused, causes reflexive polypide excited, first inhibits polypide sensory nerve ending, it is rear to inhibit
Nervous centralis and cause pest dead.
Application chemical agent is the most effective means for preventing and treating insect pest of the plant, but is applied to continuous high dose for a long time single
Chemical bactericide, the problems such as be easy to causeing residual, environmental pollution and the pest resistance to insecticide of medicament.It is past to develop novel pesticide
Past difficulty is big, the at high cost and period is long, therefore, realizes that synergistic effect is mesh by rationally compounding on the basis of existing product
Preceding one of method most rapidly and efficiently.It develops a kind of with good insecticidal action and the good novel built of quick-acting and lasting effect kills
Worm agent is technical staff's target, but technically still has certain difficulty.
Summary of the invention
Based on the above circumstances, it is an object of that present invention to provide a kind of Pesticidal combination of spirotetramat and its preparations, special
Not Shi Yongyu thrips prevention and treatment.
The technical solution of the present invention is achieved by the following measures:
The present invention provides a kind of Pesticidal combination of spirotetramat, including spiral shell worm ethyl ester and jervine, spiral shell worm ethyl ester and
The mass ratio of jervine is 1:(0.2~0.5).Synergistic effect is aobvious when wherein the mass ratio of spiral shell worm ethyl ester and jervine is 1:0.3
It writes.
Pesticidal combination of the present invention can be made a variety of doses of missible oil, suspending agent, wettable powder, aqueous emulsion and microemulsion etc.
Type.Wherein, containing lemon grass (Cymbopogon citratus) essential oil, bamboo leaf essential oil, 2500 emulsifiers, 4894 emulsifiers, xanthan gum, aluminium-magnesium silicate, ethylene glycol,
The suspending agent of the auxiliary agents such as organic silicone and Kathon CG has good quick-acting and lasting effect.The quality hundred of each ingredient in the suspending agent
Score are as follows: spiral shell worm ethyl ester 20~26%, jervine 4~13%, lemon grass (Cymbopogon citratus) essential oil 3~5%, 1~6%, 2500 cream of bamboo leaf essential oil
Agent 2%, xanthan gum 0.1~0.3%, aluminium-magnesium silicate 0.2~0.8%, ethylene glycol 4~8%, has 4894 emulsifiers 1~2%
Machine silicone 0.3~0.6%, Kathon CG 0.2~0.6%, surplus are water.
The present invention also specifically provides the preparation method of bamboo leaf essential oil:
1) leaf of bamboo is crushed to 20 mesh, obtains bamboo leaf powder；The ethyl alcohol of every gram of bamboo leaf powder addition 50mL mass concentration 70%, 65 DEG C
Stirring 1 hour；Cooled and filtered collects filtrate, removes ethyl alcohol, obtains extract；
2) mass ratio that 200mL is added in every gram of extract is to stir 60 points in the ethyl acetate of 1:3 and the mixed liquor of water
Clock, stratification, collected organic layer, concentration.
Lemon grass (Cymbopogon citratus) essential oil is commercially available to be bought, and following methods preparation can also be used:
Lemon grass (Cymbopogon citratus) is crushed to 20~30 mesh, every gram of 2.5~5% concentration expressed in percentage by weight sodium chloride solution 20mL of addition；Through
Steam distillation 100~130 minutes, control steam pressure was 0.1~0.30Mpa；Condensation obtains the fraction of oil water mixture；Oil
The fraction of aqueous mixtures is stood through oil water separator, collects to obtain essential oil through oil water separator after grease layering；
The present composition has significant killing effect to thrips.
The specific embodiment for the formulations of pesticide that Pesticidal combination of the present invention is configured to is as follows:
The Pesticidal combination is cream preparation, the mass percent of each component are as follows: spiral shell worm ethyl ester 20~26%, black false hellebore
Alkali 4~13%, emulsifier 8~13%, synergist 1~5% and solvent.The specific production stage of the cream preparation is first will be effective
Emulsifier, synergist are added after mixing evenly at uniform after being completely dissolved in ingredient spiral shell worm ethyl ester, jervine addition solvent
Bright oily liquids, it is filling, it can the missible oil preparation made into the composition of the present invention.
The Pesticidal combination is suspending agent, the mass percent of component are as follows: spiral shell worm ethyl ester 20~26%, jervine 4
~13%, emulsifier 2~4%, antifreezing agent 1~8%, thickener 0.1~5%, defoaming agent 0.1~1%, preservative 0.1~
0.8%, it can also include essential oil 4~11%, surplus is solvent.The specific production stage of the suspending agent is first to mix other auxiliary agents
It closes, is uniformly mixed through high speed shear, effective component spiral shell worm ethyl ester, jervine is added, is sanded 2~3 hours in sand mill, makes grain
Diameter is below 5mm, that is, can be made into the aqueous suspension formulations of the present composition.
The Pesticidal combination is wettable powder, the mass percent of component are as follows: spiral shell worm ethyl ester 20~26%, black false hellebore
Alkali 4~13%, dispersing agent 3~10%, wetting agent 1~5% and filler.The specific production stage of the wettable powder are as follows: by upper
It states formula to mix each ingredient, in a stirring kettle uniform stirring, is remixed after airslide disintegrating mill uniformly, that is, can be made into the present invention
The wettable powder of composition.
The Pesticidal combination is aqueous emulsion, the mass percent of component are as follows: spiral shell worm ethyl ester 20~26%, jervine 4
~13%, emulsifier 3~25%, solvent 5~15%, stabilizer 2~10%, antifreezing agent 1~5%, defoaming agent 0.1~8%, increasing
Thick dose 0.2~2% and water.The specific production stage of the aqueous emulsion are as follows: first by spiral shell worm ethyl ester, jervine, solvent and emulsifier
It is added together, makes to be dissolved into uniform oily phase；Other insecticides adjuvants such as part water, antifreezing agent are mixed into uniform
Water phase；The oil phase is added to the aqueous phase while being stirred in the reactor at high speed, and slowly plus water is up to reaching phase inversion point, opens cutter
High speed shear is carried out, and remaining water is added, shearing about half an hour, the aqueous emulsion of oil-in-water type is formed, that is, can be made into the present invention
The aqueous emulsion of composition.
The Pesticidal combination is microemulsion, the mass percent of component are as follows: spiral shell worm ethyl ester 20~26%, jervine 4
~13%, emulsifier 10~35%, synergist 1~3%, cosolvent 20~28%, solvent 2~8% and water.By spiral shell worm ethyl ester,
Jervine cosolvent, solvent are completely dissolved, and add the other compositions such as emulsifier, synergist, are uniformly mixed, are eventually adding water,
Microemulsion can be made into after being sufficiently stirred.
Wherein above-described emulsifier is selected from calcium dodecyl benzene sulfonate, aliphatic acid polyethenoxy ether, alkyl phenol polyoxy
Ethylene ether sulfosuccinates, styrylphenol polyoxyethylene ether, nonylphenol polyoxyethylene ether, castor oil polyoxyethylene ether,
Aliphatic acid polyethenoxy base ester, polyoxyethylene aliphatic alcohol ether, 2201 emulsifiers, 700 emulsifiers and 604 emulsifiers, 2500 emulsifications
One or more of agent, 4894 emulsifiers combination.
The solvent is dimethylbenzene, toluene, methanol, ethyl alcohol, n-butanol, isopropanol, (code name is turpentine-based vegetable oil
ND-60), one or more of solvent naphtha, dimethylformamide, dimethyl sulfoxide, water equal solvent combine.
The cosolvent be cyclohexanone, alcohols (methanol, ethyl alcohol etc.), phenols (phenol, cresols etc.), ethyl acetate,
The combination of one or more of cosolvents such as dimethyl sulfoxide.
The dispersing agent be selected from polycarboxylate (code name YUS-WG5, TERSPERSE 2700, TERSPERSE2500),
Lignosulfonates (code name YUS-WG4, YUS-207K, WLNOK, WLNO100, TERSPERSE2020), alkyl phenol polyoxy second
Alkene ether methyl ether condensate sulfate, alkylsulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkyl phenol polyoxyethylene ether, rouge
The combination of one or more of fat acid polyoxyethylene ester, aliphatic amine polyoxyethylene ether, glycerol fatty acid ester polyoxyethylene ethe.
The wetting agent be selected from lauryl sodium sulfate, calcium dodecyl benzene sulfonate, Nekal BX, TERWET1004,
YUS-LXC, TERSPERSE 4894, TERSPERSE2288, alkylbenzene sulfonate polyoxyethylene triphen dimly phosphenylic acid salt,
One of spaonin powder, silkworm excrement, spaonin powder or multiple combinations.
The thickener be selected from xanthan gum, carboxymethyl cellulose, carboxyethyl cellulose, methylcellulose, aluminum magnesium silicate,
One or more combinations in polyvinyl alcohol.
The stabilizer is selected from one or more of sodium citrate, resorcinol, epoxidized soybean oil, epoxychloropropane
Combination.
The antifreezing agent is selected from one of ethylene glycol, glycerine.
The synergist select code name SP-4078, organosilicon, hypertonic anesthetic, except cured dose, one of transdermal element or more
Kind combination.
The defoaming agent is selected from silicone oil, silicone compound, C10-20 saturated fat acid compounds, C8-10 fat
One or more combinations of alcohol.
The filler is in kaolin, diatomite, bentonite, attapulgite, white carbon black, starch, precipitated calcium carbonate
One or more combinations.
The effect that the present invention obtains:
The present invention has apparent synergistic effect using spiral shell worm ethyl ester, jervine as the compounded pesticides of effective component, quick-acting
Property and lasting effect it is good, and production cost and use cost are reduced, especially suitable for killing thrips.
The present invention is investigated suspending agent formula, and compound essential oil is added, and the quick-acting of preparation and lasting effect can be made to increase, fitted
It closes and promotes the use of.
In the embodiment of the present invention, virulence test operating method:
Using leaf pipe medicine embrane method.Prick several apertures in 4mL centrifuge tube pipe lid and tube bottom, aperture with prevent thrips from escaping for
It is quasi-.Then reagent agent is diluted with water to 5 concentration, under about 1mL medical fluid is added in centrifuge tube after reverse shaken several times
Medical fluid is outwelled, naturally dry in pipe lid rear chamber is opened；Then fresh and tender cowpea beanpod is cut with a knife into the piece that length is about 2cm
Section is placed in for naturally dry after dipping 10s in reagent liquid, is sandwiched in centrifuge tube, and suck 20 cowpea Jis with pest sucking device
It is sprung into centrifuge tube after horse (the big thrips of beans) adult；It is (25 ± 2) DEG C that centrifuge tube, which is then placed in temperature, and L:D=is arranged in illumination
Check that test worm death condition (touches polypide with small writing brush pen tip, motionless person is considered as extremely in the growth cabinet of 14h:10h, after 48h
It dies).Every pipe is 1 repetition, and every concentration is repeated 3 times.Using clear water as blank control.Virulence equation and cause are calculated with least square method
Concentration LC50, calculates the toxicity index and mixed co-toxicity coefficient (i.e. CTC value) of medicament in dead.
The synergistic effect of pharmacy mix is evaluated according to co-toxicity coefficient (CTC), i.e. CTC≤80 are antagonism, 80 < CTC
< 120 is summation action, and CTC >=120 are synergistic effect.
Survey toxicity index (ATI)=(LC50 of the LC50/ reagent agent of standard agent) × 100；
The virulence of the percentage composition+B medicament of A medicament refers in toxicity index × mixture of theoretical toxicity index TTI=A medicament
The percentage composition of B medicament in number × mixture；
Co-toxicity coefficient (CTC)=[mixture surveys toxicity index (ATI)/mixtures theoretical toxicity index (TTI)] × 100.
Specific embodiment
For technical solution of the present invention, purpose and advantage is more clearly understood, the present invention is to kill Thysanoptera insect
For thrips, it is illustrated by following specific embodiments.
The preparation method of bamboo leaf essential oil in 2-6 of the embodiment of the present invention:
1) leaf of bamboo is crushed to 20 mesh, obtains bamboo leaf powder；The ethyl alcohol of every gram of bamboo leaf powder addition 50mL mass concentration 70%, 65 DEG C
Stirring 1 hour；Cooled and filtered collects filtrate, removes ethyl alcohol, obtains extract；
2) mass ratio that 200mL is added in every gram of extract is to stir 60 points in the ethyl acetate of 1:3 and the mixed liquor of water
Clock, stratification, collected organic layer, concentration.
1 thrips virulence test of embodiment
Virulence test is carried out by the proportion of table 1, the results are shown in Table 1.
Table 1
| Ingredient | Proportion | LC50(ug/ml) | ATI | TTI | CTC |
| Spiral shell worm ethyl ester | - | 6.03 | 100 | - | - |
| Jervine | - | 13.13 | 45.93 | - | - |
| Spiral shell worm ethyl ester: jervine | 1:0.1 | 5.68 | 106.16 | 95.08 | 111.65 |
| Spiral shell worm ethyl ester: jervine | 1:0.2 | 4.53 | 133.11 | 90.99 | 146.30 |
| Spiral shell worm ethyl ester: jervine | 1:0.3 | 4.10 | 147.07 | 87.52 | 168.04 |
| Spiral shell worm ethyl ester: jervine | 1:0.5 | 5.71 | 105.60 | 81.98 | 128.82 |
| Spiral shell worm ethyl ester: jervine | 1:1 | 7.29 | 82.72 | 72.96 | 113.37 |
Table 1 is the results show that spiral shell worm ethyl ester: jervine proportion is 1:(0.2~0.5) when, CTC is all larger than 120, illustrates at this
In ratio range, Pesticidal combination of the present invention has synergistic function, shows apparent toxic effect to thrips, matches and is
When 1:0.3, synergy is significant.
2 24% spiral shell worm ethyl ester jervine suspending agent of embodiment
3 39% spiral shell worm ethyl ester jervine suspending agent of embodiment
4 39% spiral shell worm ethyl ester jervine suspending agent of embodiment
5 39% spiral shell worm ethyl ester jervine microemulsion of embodiment
By following weight proportion:
6 39% spiral shell worm ethyl ester jervine missible oil of embodiment
By following weight proportion:
Embodiment 7
The bamboo leaf essential oil of embodiment 3 is replaced with into essential oil made from following methods:
1) leaf of bamboo is crushed to 20 mesh, obtains bamboo leaf powder；The ethyl alcohol of every gram of bamboo leaf powder addition 50mL mass concentration 50%, 85 DEG C
Stirring 1 hour；Cooled and filtered collects filtrate, removes ethyl alcohol, obtains extract；
2) mass ratio that 200mL is added in every gram of extract is to stir 60 points in the n-hexane of 1:3 and the mixed liquor of water
Clock, stratification, collected organic layer, concentration.
1 24% spiral shell worm ethyl ester suspending agent of comparative example
The field control effectiveness test of the prevention and treatment thrips of embodiment 7
Experimental plot design is carried out according to China State Bureau of Quality and Technical Supervision's " pesticide field efficacy medicine test criterion (1) " standard,
Each plot area is 20m2, 32 cells are set altogether, and the isolation strip of 1.2m is set between each cell.Insecticide-applying way uses spray-on process,
With power spraye even spraying 1 time when application.
It participates in the experiment crop: cowpea
Reagent agent: embodiment 2~7, comparative example 1, clear water control.Every group of processing sets 4 repetitions.
Effective component dosage: 75g/hm2
Meteorological condition: weather is fine or cloudy, gentle breeze, and 23~32 DEG C of temperature.
Investigation method: adjusting Check insect population before application, is sampled with 5 points of every cell diagonal line, every solid point, which is seted the tone, looks into 10 plants of cowpeas
Beans simultaneously mark.The work borer population on 50 plants of cowpeas is looked into altogether.1d, 3d, 7d and 14d carry out tune Check in the same way after application,
Calculate preventive effect.
The field control effectiveness test of the prevention and treatment thrips of table 2
As can be seen from Table 2: using in the case of same dose, average preventive effect reaches after embodiment medicament application 3 days
85%, it is higher than contrast agents, display formula of the embodiment of the present invention has quick-acting；Average preventive effect after embodiment medicament application 7 days
Reach 90% or more, be higher than other comparison medicaments, display embodiment medicament has synergistic effect；The medicine of embodiment 2 and embodiment 3
Agent is after being administered 14d, and drug effect still reaches 90% or more, and the suspending agent of display 2-3 of the embodiment of the present invention has significant holding effect
Property.Whole result shows that formula of the embodiment of the present invention is apparently higher than comparative example medicament to thrips preventive effect, imitates with excellent prevention and treatment
Fruit.
The above content is specific embodiment is combined, further detailed description of the invention, and it cannot be said that this hair
Bright specific implementation is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, it is not taking off
Under the premise of from present inventive concept, a number of simple deductions or replacements can also be made.
Claims (7)
1. the Pesticidal combination of spirotetramat, it is characterised in that: including spiral shell worm ethyl ester and jervine, spiral shell worm ethyl ester and jervine
Mass ratio be 1:(0.2~0.5).
2. the Pesticidal combination of spirotetramat according to claim 1, it is characterised in that: spiral shell worm ethyl ester and jervine
Mass ratio is 1:0.3.
3. the Pesticidal combination of spirotetramat according to claim 1, it is characterised in that: the agent of the Pesticidal combination
Type is missible oil, suspending agent, wettable powder, aqueous emulsion and microemulsion.
4. the Pesticidal combination of spirotetramat according to claim 3, it is characterised in that: the agent of the Pesticidal combination
Type is suspending agent, also contains lemon grass (Cymbopogon citratus) essential oil, bamboo leaf essential oil, 2500 emulsifiers, 4894 emulsifiers, xanthan gum, silicon in suspending agent
Sour magnalium, ethylene glycol, organic silicone and Kathon CG.
5. the Pesticidal combination of spirotetramat according to claim 4, it is characterised in that: the matter of each ingredient in suspending agent
Measure percentage are as follows: spiral shell worm ethyl ester 20~26%, jervine 4~13%, lemon grass (Cymbopogon citratus) essential oil 3~5%, bamboo leaf essential oil 1~6%,
2500 emulsifiers 1~2%, 4894 emulsifiers 1~2%, xanthan gum 0.1~0.3%, aluminium-magnesium silicate 0.2~0.8%, ethylene glycol 4
~8%, organic silicone 0.3~0.6%, Kathon CG 0.2~0.6%, surplus are water.
6. the Pesticidal combination of spirotetramat according to claim 4, it is characterised in that: the bamboo leaf essential oil by with
Lower section method is made:
1) leaf of bamboo is crushed to 20 mesh, obtains bamboo leaf powder；The ethyl alcohol of 50mL mass concentration 70%, 65 DEG C of stirrings are added in every gram of bamboo leaf powder
1 hour；Cooled and filtered collects filtrate, removes ethyl alcohol, obtains extract；
2) mass ratio that 200mL is added in every gram of extract is to stir 60 minutes in the ethyl acetate of 1:3 and the mixed liquor of water,
Stratification, collected organic layer, concentration.
7. the Pesticidal combination of described in any item spirotetramats according to claim 1~6, it is characterised in that: the desinsection
Composition is for killing thrips.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111226991A (en) * | 2020-03-25 | 2020-06-05 | 海南省林业科学研究院(海南省红树林研究院) | Essential oil composition for preventing and treating cowpea thrips and preparation method thereof |
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