CN106490075A - A kind of botanical acaricides and preparation method thereof - Google Patents
A kind of botanical acaricides and preparation method thereof Download PDFInfo
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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
- 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
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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
- 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]
- A01N65/48—Zingiberaceae [Ginger family], e.g. ginger or galangal
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Abstract
The invention discloses a kind of botanical acaricides, it is characterised in that：Raw material including following parts by weight：22 35 parts of castor-oil plant, 22 35 parts of kuh-seng, 20 30 parts of burdock, 20 30 parts of the root of Chinese wild ginger, 15 20 parts of grass-leaved sweetflag, 15 20 parts of cloves, 15 20 parts of turmeric, 15 20 parts of artemisia annua, 58 parts of solvent, 15 parts of emulsifying agent, 80 100 parts of water.Formula is selected from plant, wide material sources, low cost, and various raw materials can have complementary advantages, good disinsection effect.
Description
Technical field
The present invention relates to technical field of pesticide, more particularly, to a kind of botanical acaricides and preparation method thereof.
Background technology
Botanical pesticide, refers to using having biologically active plant or its privileged site, through roughing or to extract which effective
Composition makes preparation, for preventing and treating the agricultural chemicals of harmful organism.Important component part of the botanical pesticide as biological pesticide, because of which
There is efficient, low toxicity or nontoxic, low-residual, selective high, harmful substance to be typically difficult to produce resistance to which and easy and other agricultures
Medicine phases mixture, R＆D costs are low, free from environmental pollution, there is independent degradation pathway, safe to people, animal, by whole world agriculture
Medicine research and the extensive attention of application department, are importances of current agricultural chemicals research and development.
Chinese Patent Application No. 201410366990.0 discloses a kind of Farm chemical of Chinese berbs and its production and use, by under
The bulk drug of row weight portion is made：9 ~ 11 parts of the wind-weed, 9 ~ 11 parts of cape jasmine, 9 ~ 11 parts of the capsule of weeping forsythia, 9 ~ 11 parts of the tuber of stemona, 4 ~ 6 parts of honeysuckle,
2 ~ 4 parts of kuh-seng, 2 ~ 4 parts of rhizoma typhonii, 2 ~ 4 parts of Chinese anise, 2 ~ 4 parts of Lappula echinata, 2 ~ 4 parts of fructus ulmi, 4 ~ 6 parts of rattletop, 2 ~ 4 parts of tarragon,
4 ~ 6 parts of the root of straight ladybell, 2 ~ 4 parts of Asian puccoon, 4 ~ 6 parts of Bunge Corydalis Herb, 2 ~ 4 parts of calamus, 4 ~ 6 parts of lopseed, 4 ~ 6 parts of Radix Isatidis.Each in the present invention
Chinese medicine material has different pharmacological properties, after mutual compatibility have preferable desinsection, expelling parasite, bactericidal effect, can diseases prevention, control
Disease, the scope of application is widely.Chinese Patent Application No. 201310327909.3 discloses Chinese medicine except mite insecticide, under which contains
Row component：Tuber of stemona 10-30 parts, camphor 10-20 parts, Chinese prickly ash 2-7 parts, rhizoma zingiberis 5-18 parts, stone-like omphalia 1-2 parts, folium eucalypti 8-25
Part, alum 10-30 parts, oxhide gelatin 2-5 parts, peppermint oil 1-2 parts；The insecticide also includes frutus cnidii 3-6 parts；The insecticide
Also include rhizome of cyrtomium 3-7 part.But the formula of the Farm chemical of Chinese berbs of two above invention is when selecting not according to each taste Chinese medicine
Performance targetedly selected, raw material have synergistic function.
Content of the invention
In view of this, the purpose of the present invention is for the deficiencies in the prior art, there is provided a kind of botanical acaricides, formula choosing
From plant, wide material sources, low cost, and various raw materials can have complementary advantages, good disinsection effect.
For reaching above-mentioned purpose, the present invention is employed the following technical solutions：
A kind of botanical acaricides, including the raw material of following parts by weight：Castor-oil plant 22-35 parts, kuh-seng 22-35 parts, burdock 20-30
Part, root of Chinese wild ginger 20-30 parts, grass-leaved sweetflag 15-20 parts, cloves 15-20 parts, turmeric 15-20 parts, artemisia annua 15-20 parts, solvent 5-8 parts,
Emulsifying agent 1-5 parts, water 80-100 parts.
Further, including the raw material of following parts by weight：30 parts of castor-oil plant, 28 parts of kuh-seng, 25 parts of burdock, 25 parts of the root of Chinese wild ginger,
17 parts of grass-leaved sweetflag, 18 parts of cloves, 17 parts of turmeric, 18 parts of artemisia annua, 7 parts of solvent, 4 parts of emulsifying agent, 95 parts of water.
Further, the solvent is one or more in ethyl acetate, isopropanol, ethylene glycol and ethanol.
Further, the emulsifying agent is 1-3 for agriculture breast 600 and Tween-80 by weight：10 compoundings are formed.
A kind of preparation method of botanical acaricides, comprises the following steps：
（1）Raw material castor-oil plant and kuh-seng is weighed, and it is that 75-85% ethanol is molten that 5-8 times of bulking value fraction is added after being crushed to 80-100 mesh
After immersion bubble 1-2h, ultrasonic wave extraction 1-2 time, merging filtrate after filtration are evaporated to content of dispersion for 1.2-2.0g/mL, obtain
Arrive extract I；
（2）Raw material burdock, the root of Chinese wild ginger, grass-leaved sweetflag, cloves, turmeric and artemisia annua is weighed, and 6-8 times is added after being crushed to 80-100 mesh and is weighed
After amount volume fraction is 75-85% alcohol solution dipping 30-40min, refluxing extraction 2-3 time, each 1-2h, after merging extract,
Content of dispersion is evaporated to for 1.2-2.0g/mL, extract II is obtained；
（3）Extract I, extract II, solvent, emulsifying agent and water are stirred, that is, prepares product.
Further, the step（1）The power of middle ultrasonic wave extraction is 500-800W, and extraction time is 40-80min.
Further, the step（2）The temperature of middle refluxing extraction is 70-80 DEG C.
The invention has the beneficial effects as follows：
1st, botanical acaricides of the invention, formula are selected from plant, wide material sources, low cost.Wherein in castor-oil plant, mite killing is main
Active component is recinine, and Main Function mechanism is stomach poison function；Kuh-seng main active is matrine, and the mechanism of action is stomach
Toxic action；The main active of burdock is fatty acid and aldehydes and enol class, and the mechanism of action is to tag and ovicidal action；
Root of Chinese wild ginger main active is volatile oil, and such as methyl eugenol, asarone and safrole is respectively provided with very strong insecticidal activity, acts on machine
Manage as action of contace poison；Grass-leaved sweetflag main active is beta-Asarone and acorenone, and the mechanism of action is to tag and nerve poisoning
Effect；Cloves main active is volatile oil and phenols, and the mechanism of action is ovicidal and bacteriostasis；Turmeric chief active into
It is divided into essential oil, mainly includes turmerone and zingerene, mite killing mechanism is to fumigate, walk quickly and keep away and bacteriostasis；Artemisia annua chief active
Composition is volatile oil and qinghaosu, and mite killing mechanism is to fumigate and tag；This several plant is used cooperatively as raw material, preparation
Acaricide is not only pollution-free, efficient, low toxicity or nontoxic, low-residual, selective high, and have concurrently in mite killing mechanism tag, stomach
Poison, walk quickly and keep away, ovicidal and bacteriostasis, have complementary advantages, miticidal effect is good.
2nd, botanical acaricides of the invention, the wherein main component of castor-oil plant and kuh-seng are alkaloid, auxiliary using ultrasonic wave
Ethanol is helped to be extracted, extraction efficiency is high.The main component of burdock, the root of Chinese wild ginger, grass-leaved sweetflag, cloves, turmeric and artemisia annua is volatilization
Oil and flavonoids, the method that is extracted using alcohol reflux can reduce the loss of volatile oil to greatest extent, and recovery rate is high.In addition,
It is that agriculture breast 600 is compounded with Tween-80 to prepare the emulsifying agent used by botanical acaricides, and emulsifying effectiveness is good, and the product of preparation is stirred
In emulsion after mixing, good dispersion.
3rd, botanical acaricides prepared by the present invention, the killing rate to Tetranychus cinnabarinus, Tetranychus urticae and Tetranychina harti
More than 88.9% can be reached, and without drug resistance, noresidue is pollution-free, preparation method is simple, with low cost, user
Just.
Specific embodiment
The present invention is described further with reference to specific embodiment.
Embodiment 1
A kind of botanical acaricides, including the raw material of following parts by weight：22 parts of castor-oil plant, 35 parts of kuh-seng, 20 parts of burdock, the root of Chinese wild ginger 20
Part, 20 parts of grass-leaved sweetflag, 15 parts of cloves, 20 parts of turmeric, 15 parts of artemisia annua, 5 parts of solvent, 1 part of emulsifying agent, 80 parts of water.
The solvent is ethyl acetate.
It is 1 with Tween-80 by weight that the emulsifying agent is agriculture breast 600：10 compoundings are formed.
The preparation method of botanical acaricides, comprises the following steps：
（1）Raw material castor-oil plant and kuh-seng is weighed, and it is 75% alcohol solution dipping 1h that 5 times of bulking value fractions are added after being crushed to 80 mesh
Afterwards, ultrasonic wave extraction 1 time, merging filtrate after filtration are evaporated to content of dispersion for 1.2g/mL, obtain extract I；
（2）Raw material burdock, the root of Chinese wild ginger, grass-leaved sweetflag, cloves, turmeric and artemisia annua is weighed, after being crushed to 100 mesh, 6 times of volume integrals is added
After number is 75% alcohol solution dipping 30min, refluxing extraction 2 times, each 1h, after merging extract, being evaporated to content of dispersion is
1.5g/mL, obtains extract II；
（3）Extract I, extract II, solvent, emulsifying agent and water are stirred, that is, prepares product.
The step（1）The power of middle ultrasonic wave extraction is 500W, and extraction time is 80min.
The step（2）The temperature of middle refluxing extraction is 70 DEG C.
Embodiment 2
A kind of botanical acaricides, including the raw material of following parts by weight：25 parts of castor-oil plant, 32 parts of kuh-seng, 22 parts of burdock, the root of Chinese wild ginger 22
Part, 19 parts of grass-leaved sweetflag, 16 parts of cloves, 19 parts of turmeric, 16 parts of artemisia annua, 6 parts of solvent, 2 parts of emulsifying agent, 85 parts of water.
The solvent is isopropanol.
It is 1.5 with Tween-80 by weight that the emulsifying agent is agriculture breast 600：10.
The preparation method of botanical acaricides, comprises the following steps：
（1）Raw material castor-oil plant and kuh-seng is weighed, and it is 80% alcohol solution dipping 2h that 6 times of bulking value fractions are added after being crushed to 90 mesh
Afterwards, ultrasonic wave extraction 2 times, merging filtrate after filtration are evaporated to content of dispersion for 1.3g/mL, obtain extract I；
（2）Raw material burdock, the root of Chinese wild ginger, grass-leaved sweetflag, cloves, turmeric and artemisia annua is weighed, after being crushed to 80 mesh, 7 times of volume fractions is added
After for 80% alcohol solution dipping 35min, refluxing extraction 3 times, each 1.5h, after merging extract, being evaporated to content of dispersion is
1.6g/mL, obtains extract II；
（3）Extract I, extract II, solvent, emulsifying agent and water are stirred, that is, prepares product.
The step（1）The power of middle ultrasonic wave extraction is 600W, and extraction time is 70min.
The step（2）The temperature of middle refluxing extraction is 75 DEG C.
Embodiment 3
A kind of botanical acaricides, including the raw material of following parts by weight：28 parts of castor-oil plant, 30 parts of kuh-seng, 24 parts of burdock, the root of Chinese wild ginger 24
Part, 18 parts of grass-leaved sweetflag, 17 parts of cloves, 18 parts of turmeric, 17 parts of artemisia annua, 8 parts of solvent, 3 parts of emulsifying agent, 90 parts of water.
The solvent is ethylene glycol.
It is 1 with Tween-80 by weight that the emulsifying agent is agriculture breast 600：5.
The preparation method of botanical acaricides, comprises the following steps：
（1）Raw material castor-oil plant and kuh-seng is weighed, and it is 85% alcohol solution dipping that 7 times of bulking value fractions are added after being crushed to 100 mesh
After 1.5h, ultrasonic wave extraction 2 times, merging filtrate after filtration are evaporated to content of dispersion for 1.5g/mL, obtain extract I；
（2）Raw material burdock, the root of Chinese wild ginger, grass-leaved sweetflag, cloves, turmeric and artemisia annua is weighed, after being crushed to 90 mesh, 8 times of volume fractions is added
After for 85% alcohol solution dipping 40min, refluxing extraction 2 times, each 2h, after merging extract, being evaporated to content of dispersion is
1.8g/mL, obtains extract II；
（3）Extract I, extract II, solvent, emulsifying agent and water are stirred, that is, prepares product.
The step（1）The power of middle ultrasonic wave extraction is 700W, and extraction time is 60min.
The step（2）The temperature of middle refluxing extraction is 80 DEG C.
Embodiment 4
A kind of botanical acaricides, including the raw material of following parts by weight：30 parts of castor-oil plant, 28 parts of kuh-seng, 25 parts of burdock, the root of Chinese wild ginger 25
Part, 17 parts of grass-leaved sweetflag, 18 parts of cloves, 17 parts of turmeric, 18 parts of artemisia annua, 7 parts of solvent, 4 parts of emulsifying agent, 95 parts of water.
The solvent is ethanol.
It is 1.5 with Tween-80 by weight that the emulsifying agent is agriculture breast 600：10.
The preparation method of botanical acaricides, comprises the following steps：
（1）Raw material castor-oil plant and kuh-seng is weighed, and it is 80% alcohol solution dipping 2h that 5 times of bulking value fractions are added after being crushed to 90 mesh
Afterwards, ultrasonic wave extraction 2 times, merging filtrate after filtration are evaporated to content of dispersion for 1.8g/mL, obtain extract I；
（2）Raw material burdock, the root of Chinese wild ginger, grass-leaved sweetflag, cloves, turmeric and artemisia annua is weighed, after being crushed to 90 mesh, 7 times of volume fractions is added
After for 80% alcohol solution dipping 35min, refluxing extraction 3 times, each 1.5h, after merging extract, being evaporated to content of dispersion is
1.8g/mL, obtains extract II；
（3）Extract I, extract II, solvent, emulsifying agent and water are stirred, that is, prepares product.
The step（1）The power of middle ultrasonic wave extraction is 750W, and extraction time is 70min.
The step（2）The temperature of middle refluxing extraction is 80 DEG C.
Embodiment 5
A kind of botanical acaricides, including the raw material of following parts by weight：30 parts of castor-oil plant, 28 parts of kuh-seng, 25 parts of burdock, the root of Chinese wild ginger 25
Part, 17 parts of grass-leaved sweetflag, 18 parts of cloves, 17 parts of turmeric, 18 parts of artemisia annua, 7 parts of solvent, 4 parts of emulsifying agent, 95 parts of water.
The solvent is ethanol.
It is 1.5 with Tween-80 by weight that the emulsifying agent is agriculture breast 600：10.
The preparation method of botanical acaricides, comprises the following steps：
（1）Raw material castor-oil plant and kuh-seng is weighed, appropriate petroleum ether after being crushed to 90 mesh, is added, degreasing 2 times after mixing is filtered and stay slag,
Treat that petroleum ether is volatilized to constant weight, after adding 5 times of bulking value fractions to be 80% alcohol solution dipping 2h, ultrasonic wave extraction 2 times, mistake
Merging filtrate after filter, is evaporated to content of dispersion for 1.8g/mL, obtains extract I；
（2）Raw material burdock, the root of Chinese wild ginger, grass-leaved sweetflag, cloves, turmeric and artemisia annua is weighed, after being crushed to 90 mesh, 7 times of volume fractions is added
After for 80% alcohol solution dipping 35min, refluxing extraction 3 times, each 1.5h, after merging extract, being evaporated to content of dispersion is
1.8g/mL, obtains extract II；
（3）Extract I, extract II, solvent, emulsifying agent and water are stirred, that is, prepares product.
The step（1）The power of middle ultrasonic wave extraction is 750W, and extraction time is 70min.
The step（2）The temperature of middle refluxing extraction is 80 DEG C.
Embodiment 6
A kind of botanical acaricides, including the raw material of following parts by weight：32 parts of castor-oil plant, 26 parts of kuh-seng, 26 parts of burdock, the root of Chinese wild ginger 28
Part, 16 parts of grass-leaved sweetflag, 19 parts of cloves, 16 parts of turmeric, 19 parts of artemisia annua, 5 parts of solvent, 5 parts of emulsifying agent, 100 parts of water.
The solvent is ethyl acetate.
It is 1 with Tween-80 by weight that the emulsifying agent is agriculture breast 600：10.
The preparation method of botanical acaricides, comprises the following steps：
（1）Raw material castor-oil plant and kuh-seng is weighed, and it is 75% alcohol solution dipping that 7 times of bulking value fractions are added after being crushed to 80 mesh
After 1.5h, ultrasonic wave extraction 2 times, merging filtrate after filtration are evaporated to content of dispersion for 1.6g/mL, obtain extract I；
（2）Raw material burdock, the root of Chinese wild ginger, grass-leaved sweetflag, cloves, turmeric and artemisia annua is weighed, after being crushed to 100 mesh, 6 times of volume integrals is added
After number is 75% alcohol solution dipping 30min, refluxing extraction 2 times, each 1h, after merging extract, being evaporated to content of dispersion is
2.0g/mL, obtains extract II；
（3）Extract I, extract II, medicinal extract, solvent, emulsifying agent and water are stirred, that is, prepares product.
The step（1）The power of middle ultrasonic wave extraction is 800W, and extraction time is 80min.
The step（2）The temperature of middle refluxing extraction is 75 DEG C.
Embodiment 7
A kind of botanical acaricides, including the raw material of following parts by weight：34 parts of castor-oil plant, 25 parts of kuh-seng, 28 parts of burdock, the root of Chinese wild ginger 26
Part, 16 parts of grass-leaved sweetflag, 20 parts of cloves, 15 parts of turmeric, 20 parts of artemisia annua, 6 parts of solvent, 2 parts of emulsifying agent, 85 parts of water.
The solvent is isopropanol.
It is 3 with Tween-80 by weight that the emulsifying agent is agriculture breast 600：10.
The preparation method of botanical acaricides, comprises the following steps：
（1）Raw material castor-oil plant and kuh-seng is weighed, and it is 85% alcohol solution dipping that 8 times of bulking value fractions are added after being crushed to 90 mesh
After 1.5h, ultrasonic wave extraction 2 times, merging filtrate after filtration are evaporated to content of dispersion for 1.5g/mL, obtain extract I；
（2）Raw material burdock, the root of Chinese wild ginger, grass-leaved sweetflag, cloves, turmeric and artemisia annua is weighed, after being crushed to 90 mesh, 8 times of volume fractions is added
After for 85% alcohol solution dipping 40min, refluxing extraction 2 times, each 2h, after merging extract, being evaporated to content of dispersion is
1.2g/mL, obtains extract II；
（3）Extract I, extract II, solvent, emulsifying agent and water are stirred, that is, prepares product.
The step（1）The power of middle ultrasonic wave extraction is 650W, and extraction time is 50min.
The step（2）The temperature of middle refluxing extraction is 80 DEG C.
Embodiment 8
A kind of botanical acaricides, including the raw material of following parts by weight：35 parts of castor-oil plant, 22 parts of kuh-seng, 30 parts of burdock, the root of Chinese wild ginger 30
Part, 15 parts of grass-leaved sweetflag, 18 parts of cloves, 18 parts of turmeric, 15 parts of artemisia annua, 7 parts of solvent, 3 parts of emulsifying agent, 90 parts of water.
The solvent is ethylene glycol.
It is 3 with Tween-80 by weight that the emulsifying agent is agriculture breast 600：10.
The preparation method of botanical acaricides, comprises the following steps：
（1）Raw material castor-oil plant and kuh-seng is weighed, and it is 80% alcohol solution dipping 1h that 6 times of bulking value fractions are added after being crushed to 100 mesh
Afterwards, ultrasonic wave extraction 2 times, merging filtrate after filtration are evaporated to content of dispersion for 2.0g/mL, obtain extract I；
（2）Raw material burdock, the root of Chinese wild ginger, grass-leaved sweetflag, cloves, turmeric and artemisia annua is weighed, after being crushed to 80 mesh, 7 times of volume fractions is added
After for 80% alcohol solution dipping 40min, refluxing extraction 3 times, each 2h, after merging extract, being evaporated to content of dispersion is
2.0g/mL, obtains extract II；
（3）Extract I, extract II, solvent, emulsifying agent and water are stirred, that is, prepares product.
The step（1）The power of middle ultrasonic wave extraction is 550W, and extraction time is 40min.
The step（2）The temperature of middle refluxing extraction is 75 DEG C.
Comparative example 1
Comparative example 1 is substantially the same manner as Example 4, and difference is：Remove castor-oil plant and kuh-seng, accordingly increase burdock and the root of Chinese wild ginger
Amount, i.e.,：
A kind of botanical acaricides, including the raw material of following parts by weight：55 parts of burdock, 53 parts of the root of Chinese wild ginger, 17 parts of grass-leaved sweetflag, cloves
18 parts, 17 parts of turmeric, 18 parts of artemisia annua, 7 parts of solvent, 4 parts of emulsifying agent, 95 parts of water.
Its preparation method is same as Example 4.
Comparative example 2
Comparative example 2 is substantially the same manner as Example 4, and difference is：Remove burdock, the root of Chinese wild ginger and grass-leaved sweetflag, accordingly increase castor
Fiber crops and the amount of kuh-seng and cloves, i.e.,：
A kind of botanical acaricides, including the raw material of following parts by weight：55 parts of castor-oil plant, 53 parts of kuh-seng, 35 parts of cloves, turmeric 17
Part, 18 parts of artemisia annua, 7 parts of solvent, 4 parts of emulsifying agent, 95 parts of water.
Its preparation method is same as Example 4.
Comparative example 3
Comparative example 3 is substantially the same manner as Example 4, and difference is：Remove cloves and turmeric, the corresponding amount for increasing artemisia annua,
I.e.：
A kind of botanical acaricides, including the raw material of following parts by weight：30 parts of castor-oil plant, 28 parts of kuh-seng, 25 parts of burdock, the root of Chinese wild ginger 25
Part, 17 parts of grass-leaved sweetflag, 53 parts of artemisia annua, 7 parts of solvent, 4 parts of emulsifying agent, 95 parts of water.
Its preparation method is same as Example 4.
Comparative example 4
Comparative example 4 is substantially the same manner as Example 4, and difference is：Remove artemisia annua, accordingly increase cloves and turmeric
Amount, i.e.,：
A kind of botanical acaricides, including the raw material of following parts by weight：30 parts of castor-oil plant, 28 parts of kuh-seng, 25 parts of burdock, the root of Chinese wild ginger 25
Part, 17 parts of grass-leaved sweetflag, 27 parts of cloves, 26 parts of turmeric, 7 parts of solvent, 4 parts of emulsifying agent, 95 parts of water.
Its preparation method is same as Example 4.
Comparative example 5
Comparative example 5 is substantially the same manner as Example 4, and difference is：Preparation method only with ultrasonic wave extraction, i.e.,：
The preparation method of botanical acaricides, comprises the following steps：
（1）Raw material castor-oil plant, kuh-seng, burdock, the root of Chinese wild ginger, grass-leaved sweetflag, cloves, turmeric and artemisia annua is weighed, after being crushed to 90 mesh, 5 is added
After times bulking value fraction is 80% alcohol solution dipping 2h, ultrasonic wave extraction 2 times, merging filtrate after filtration are evaporated to and contain
Dose is 1.8g/mL, obtains extract；
（2）Extract, solvent, emulsifying agent and water are stirred, that is, prepares product.
The step（1）The power of middle ultrasonic wave extraction is 750W, and extraction time is 70min.
Botanical acaricides virulence is tested
Experimental subjects is Tetranychus cinnabarinus, Tetranychus urticae and Tetranychina harti, by embodiment of the present invention 1-8 and comparative example 1-5
In product dilute 1000 times and be liquids, test method is with reference to People's Republic of China (PRC) agricultural industry criteria《Raw in agricultural chemicals room
Thing determination test criterion》Insecticidal n Y/T1154.7-2006, test adopt slide infusion process.Will two-sided tape be cut into 2cm length
Segment be attached to microslide one end, then tear the scraps of paper on viscose glue off, choose health into mite, provoked with little writing brush,
Its back is attached on viscose glue, notices that mite foot, antenna should not be stuck, point row three row viscous 30 per slide tests 90 altogether,
Dead mite checked for anatomical lens first, and dead mite should be chosen and discard, and mend again and be stained with health into mite.Slide is soaked into the liquid, gently
Jog is moved, and is taken out, the liquid for sucking adhesive surface and surrounding with blotting paper after 5 seconds, then moves into temperature for (25 ± 1) DEG C, phase
To humidity be (40 ± 10) %, illumination condition for (L/D=18h/6h) biochemical cultivation case in cultivate, inspection result after 48h,
The dead mite number of record, touches mite body with writing brush during microscopy, and with mite, motionless person is considered as death enough.Test sets 3 repetitions, is right with water
According to.
The death rate（%）=dead mite number/total mite number × 100%
Corrected mortality（%）=（Process the death rate-control death rate）/（1- compares the death rate）×100%
1 botanical acaricides virulence test result of table
As can be seen from Table 1, the botanical acaricides that prepared by embodiment of the present invention 1-8 are starched to Tetranychus cinnabarinus, Tetranychus urticae and jealous woman
The killing rate of grass such as tetranychid can reach more than 88.9%, and miticidal effect is notable.
Embodiment 5 is to have done ungrease treatment to castor-oil plant and kuh-seng relative to embodiment 4, can strengthen insecticidal effect, explanation
Ungrease treatment is carried out to raw material, the recovery rate of active ingredient can be strengthened.
Comparative example 1-4 is replaced to a part of raw material for embodiment 4, after tested to Tetranychus cinnabarinus, two variegated leafs
The killing rate of mite and Tetranychina harti is low than embodiment 4, illustrates that the various raw materials in the present invention have the work of Synergistic
With.
In addition for comparative example 4, all of raw material is carried comparative example 5 only with a kind of extracting method, i.e. ultrasonic wave
Take, the killing rate to Tetranychus cinnabarinus, Tetranychus urticae and Tetranychina harti is low than embodiment 4 after tested, illustrate that the present invention is right
Castor-oil plant and kuh-seng are extracted using ultrasonic assistant ethanol, adopt ethanol to burdock, the root of Chinese wild ginger, grass-leaved sweetflag, cloves, turmeric and artemisia annua
Refluxing extraction, can increase the recovery rate of active component, so as to increase killing rate.
Finally illustrate, only in order to technical scheme to be described and unrestricted, this area is common for above example
Other modifications or equivalent that technical staff is made to technical scheme, without departing from technical solution of the present invention
Spirit and scope, all should cover in the middle of scope of the presently claimed invention.
Claims (7)
1. a kind of botanical acaricides, it is characterised in that：Raw material including following parts by weight：Castor-oil plant 22-35 parts, kuh-seng 22-
35 parts, burdock 20-30 parts, root of Chinese wild ginger 20-30 parts, grass-leaved sweetflag 15-20 parts, cloves 15-20 parts, turmeric 15-20 parts, artemisia annua 15-
20 parts, solvent 5-8 parts, emulsifying agent 1-5 parts, water 80-100 parts.
2. a kind of botanical acaricides according to claim 1, it is characterised in that：Raw material including following parts by weight：
30 parts of castor-oil plant, 28 parts of kuh-seng, 25 parts of burdock, 25 parts of the root of Chinese wild ginger, 17 parts of grass-leaved sweetflag, 18 parts of cloves, 17 parts of turmeric, 18 parts of artemisia annua,
7 parts of solvent, 4 parts of emulsifying agent, 95 parts of water.
3. a kind of botanical acaricides according to claim 1, it is characterised in that：The solvent is ethyl acetate, isopropyl
One or more in alcohol, ethylene glycol and ethanol.
4. a kind of botanical acaricides according to claim 1, it is characterised in that：The emulsifying agent be agriculture breast 600 with tell
Temperature -80 is 1-3 by weight：10 compoundings are formed.
5. a kind of preparation method of botanical acaricides as claimed in claim 1, it is characterised in that：Comprise the following steps：
（1）Raw material castor-oil plant and kuh-seng is weighed, and it is that 75-85% ethanol is molten that 5-8 times of bulking value fraction is added after being crushed to 80-100 mesh
After immersion bubble 1-2h, ultrasonic wave extraction 1-2 time, merging filtrate after filtration are evaporated to content of dispersion for 1.2-2.0g/mL, obtain
Arrive extract I；
（2）Raw material burdock, the root of Chinese wild ginger, grass-leaved sweetflag, cloves, turmeric and artemisia annua is weighed, and 6-8 times is added after being crushed to 80-100 mesh and is weighed
After amount volume fraction is 75-85% alcohol solution dipping 30-40min, refluxing extraction 2-3 time, each 1-2h, after merging extract,
Content of dispersion is evaporated to for 1.2-2.0g/mL, extract II is obtained；
（3）Extract I, extract II, solvent, emulsifying agent and water are stirred, that is, prepares product.
6. the preparation method of botanical acaricides according to claim 5, it is characterised in that：The step（1）Middle ultrasound
The power that ripple is extracted is 500-800W, and extraction time is 40-80min.
7. the preparation method of botanical acaricides according to claim 5, it is characterised in that：The step（2）Middle backflow
The temperature of extraction is 70-80 DEG C.
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Application publication date: 20170315 |