CN110692656A - Preparation method of plant-derived pesticide and plant-derived pesticide - Google Patents
Preparation method of plant-derived pesticide and plant-derived pesticide Download PDFInfo
- Publication number
- CN110692656A CN110692656A CN201911043383.XA CN201911043383A CN110692656A CN 110692656 A CN110692656 A CN 110692656A CN 201911043383 A CN201911043383 A CN 201911043383A CN 110692656 A CN110692656 A CN 110692656A
- Authority
- CN
- China
- Prior art keywords
- pepper
- organic solvent
- extract
- pepper extract
- pesticide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- A01N31/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic oxygen or sulfur compounds
- A01N31/02—Acyclic compounds
-
- 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
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/02—Saturated carboxylic acids or thio analogues thereof; Derivatives 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
- A01N65/08—Magnoliopsida [dicotyledons]
- A01N65/38—Solanaceae [Potato family], e.g. nightshade, tomato, tobacco or chilli pepper
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental Sciences (AREA)
- Plant Pathology (AREA)
- Dentistry (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Agronomy & Crop Science (AREA)
- Biotechnology (AREA)
- Microbiology (AREA)
- Mycology (AREA)
- Pest Control & Pesticides (AREA)
- Natural Medicines & Medicinal Plants (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to a preparation method of a plant source pesticide and the plant source pesticide, and the preparation method comprises the following steps: s1, drying and crushing the pepper raw material, leaching with a first organic solvent, and filtering to obtain a pepper extracting solution; drying and crushing raw materials of the pepper, extracting the crushed raw materials by using a first organic solvent, and filtering the mixture to obtain a pepper extracting solution; s2, respectively evaporating the hot pepper extract and the pepper extract obtained in the step S1 to obtain hot pepper extract and pepper extract; s3, extracting the chili extract obtained in the step S2 by using a second organic solvent to obtain chili extract; extracting the pepper extract obtained in the step S2 by using a second organic solvent to obtain pepper extract liquid; s4, mixing the hot pepper extract and the pepper extract obtained in the step S3, adding ethanol and acetic acid, and stirring to obtain the botanical pesticide. The botanical pesticide uses water as main material, hot pepper leaching liquid and Chinese prickly ash leaching liquid as main functional matter, and ethanol, acetic acid and other functional reinforcing agent as supplementary material to reach the effects of expelling parasite, killing parasite, preventing and treating diseases, and has no bad smell, residue and pollution.
Description
Technical Field
The invention relates to the technical field of pesticides, and particularly relates to a preparation method of a plant-derived pesticide and the plant-derived pesticide.
Background
For many years, chemical pesticides have been widely used worldwide due to their high efficiency, quick action, low cost and convenient use, and are monopolized in plant protection.
However, after the 80 th 20 th century, with the growing public interest in health and environmental issues, chemical pesticides have been questioned due to their residue, environmental pollution, and other issues. The botanical pesticide becomes one of the more ideal substitute products.
The plant source pesticide is an active substance with insecticidal or bactericidal effect prepared by directly utilizing or extracting roots, stems, leaves, flowers, fruits, seeds and the like of plants or utilizing secondary metabolites thereof.
The pepper plants and fruits contain various bioactive substances such as capsaicin and the like, and have strong disease prevention and insect expelling effects, and the pesticide taking the pepper plants and fruits as the main component has no peculiar smell, no residue and good effect, is very suitable for ornamental plants such as flowers and the like, and can also be used for organic planting and breeding and the like.
Disclosure of Invention
The invention aims to provide a preparation method of a plant-derived pesticide and the plant-derived pesticide.
The technical scheme adopted by the invention for solving the technical problems is as follows: a preparation method of a plant source pesticide is constructed, and comprises the following steps:
s1, drying and crushing the pepper raw material, leaching with a first organic solvent, and filtering to obtain a pepper extracting solution; drying and crushing raw materials of the pepper, extracting the crushed raw materials by using a first organic solvent, and filtering the mixture to obtain a pepper extracting solution;
s2, evaporating the hot pepper extract and the pepper extract obtained in the step S1 respectively to obtain hot pepper extract and pepper extract;
s3, extracting the chili extract obtained in the step S2 by using a second organic solvent to obtain chili extract; extracting the pepper extract obtained in the step S2 by using a second organic solvent to obtain a pepper extract;
s4, mixing the pepper extract and the pepper extract obtained in the step S3, adding ethanol and acetic acid, and stirring to obtain the botanical pesticide.
Preferably, the pepper raw material is taken from the aerial parts of pepper plants, and the pepper raw material is taken from the fruits of pepper; the drying temperature is 60-80 ℃.
Preferably, 10-15 mL of the first organic solvent is added into every 1g of the dried and crushed raw pepper;
and 5-10 mL of the first organic solvent is added into every 1g of the dried and crushed raw pepper.
Preferably, the first organic solvent is at least one of alcohol, alcohol aqueous solution and acetone, the alcohol is at least one of methanol, ethanol, propanol, propylene glycol and butanol, and the alcohol aqueous solution has an alcohol volume fraction of 60% to 80%.
Preferably, leaching is carried out under an ultrasonic condition, and the ultrasonic power is 80-100 Hz; leaching for 12-24 hours; the temperature is 20-30 ℃; the leaching times are 3-5 times.
Preferably, the evaporation is carried out in a rotary evaporator at a temperature of 50 ℃ to 60 ℃; the vacuum degree is 200-300 Pa; and (4) concentrating the hot pepper extracting solution into a hot pepper extract at the rotating speed of 70-100 r/min, and concentrating the hot pepper extracting solution into a hot pepper extract.
Preferably, 10-15 mL of the second organic solvent is added into every 1g of the hot pepper extract; the extraction time of the hot pepper extract is 0.5-5 h; adding 5-10 mL of the second organic solvent into every 1g of the pepper extract; the extraction time of the pepper extract is 0.5-5 h.
Preferably, the second organic solvent is acetone and diethyl ether, and the volume ratio of the acetone to the diethyl ether is 1: (1-2).
Preferably, the ethanol and the acetic acid are added in the form of an aqueous solution, and the volume fraction of the ethanol and the acetic acid is 95% or more.
The preparation method of the plant source pesticide comprises the following raw materials in parts by weight: in the step S1, 5 to 20 parts of pepper leach liquor and 1 to 10 parts of pepper leach liquor are used, and in the step S4, 20 to 50 parts of ethanol and 20 to 50 parts of acetic acid are used.
The preparation method of the plant source pesticide and the plant source pesticide have the following beneficial effects: the prepared botanical pesticide takes water as a main raw material, takes pepper extract and pepper extract as main functional substances, and is supplemented with functional enhancers such as ethanol, acetic acid and the like, so that the effects of expelling parasites, killing insects, preventing and treating diseases can be well achieved, and no peculiar smell, residue and pollution are generated.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a schematic flow chart of a method for preparing a plant-derived pesticide in an embodiment of the present invention.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the preparation method of the plant-derived pesticide in a preferred embodiment of the present invention includes the following steps:
s1, drying and crushing the pepper raw material, leaching with a first organic solvent, and filtering to obtain a pepper extracting solution; drying and crushing raw materials of the pepper, extracting the crushed raw materials by using a first organic solvent, and filtering the mixture to obtain a pepper extracting solution;
s2, respectively evaporating the hot pepper extract and the pepper extract obtained in the step S1 to obtain hot pepper extract and pepper extract;
s3, extracting the chili extract obtained in the step S2 by using a second organic solvent to obtain chili extract; extracting the pepper extract obtained in the step S2 by using a second organic solvent to obtain pepper extract liquid;
s4, mixing the hot pepper extract and the pepper extract obtained in the step S3, adding ethanol and acetic acid, and stirring to obtain the botanical pesticide.
The prepared botanical pesticide takes water as a main raw material, takes pepper extract and pepper extract as main functional substances, and is supplemented with functional enhancers such as ethanol, acetic acid and the like, so that the effects of expelling parasites, killing insects, preventing and treating diseases can be well achieved, and no peculiar smell, residue and pollution are generated.
The pepper raw material is taken from the overground part of a pepper plant, the pepper raw material is taken from the fruits of pepper, the drying temperature is 60-80 ℃, the pepper raw material is dried and then crushed by a crusher, and the pepper raw material is sieved for later use.
In the step S1, 10-15 mL of a first organic solvent is added into every 1g of dried and crushed chili raw materials; and adding 5-10 mL of a first organic solvent into 1g of the dried and crushed raw pepper.
The first organic solvent is at least one of alcohol, alcohol aqueous solution and acetone, the alcohol is at least one of methanol, ethanol, propanol, propylene glycol and butanol, and the volume fraction of the alcohol in the alcohol aqueous solution is 60-80%.
Leaching is carried out under the ultrasonic condition, and the ultrasonic power is 80-100 Hz; leaching for 12-24 hours; the temperature is 20-30 ℃; the leaching times are 3-5 times.
In step S2, evaporation is carried out in a rotary evaporator at the temperature of 50-60 ℃; the vacuum degree is 200-300 Pa; and (4) concentrating the hot pepper extract into a hot pepper extract at the rotating speed of 70-100 r/min, and concentrating the hot pepper extract into a hot pepper extract.
In step S3, adding 10-15 mL of a second organic solvent into each 1g of pepper extract; the extraction time of the hot pepper extract is 0.5 to 5 hours; adding 5-10 mL of a second organic solvent into every 1g of pepper extract; the extraction time of the pepper extract is 0.5 to 5 hours.
The second organic solvent is acetone and diethyl ether, and the volume ratio of the acetone to the diethyl ether is 1: (1-2).
In step S4, ethanol and acetic acid are added as an aqueous solution, and the volume fraction of ethanol and acetic acid is 95% or more.
The preparation method of the botanical pesticide comprises the following raw materials in parts by weight: in step S1, 5 to 20 parts of pepper leach liquor and 1 to 10 parts of pepper leach liquor, and in step S4, 20 to 50 parts of ethanol and 20 to 50 parts of acetic acid.
The following are detailed description of the embodiments
In the following examples, unless otherwise specified, other components not specifically indicated except for inevitable impurities are not contained; wherein the parts are all parts by mass.
Examples 1,
As shown in fig. 1, a plant-derived pesticide applied to flowers includes the following steps:
(1) crushing: collecting pepper raw material and pepper raw material samples, drying, crushing by a crusher, and sieving for later use;
preferably, the drying temperature is 60 ℃.
(2) Extraction: drying and crushing the raw material of the hot pepper, extracting the raw material of the hot pepper by using a first organic solvent, and filtering the raw material of the hot pepper to obtain a hot pepper extracting solution; drying and crushing raw materials of the pepper, extracting the crushed raw materials by using a first organic solvent, and filtering the mixture to obtain a pepper extracting solution;
preferably, 10mL of the first organic solvent can be added into every 1g of the dried and crushed chili raw material; 5mL of a first organic solvent can be added into 1g of the dried and crushed raw pepper; the first organic solvent may be an aqueous alcohol solution, the alcohol is ethanol or propanol, and the volume fraction of the alcohol in the aqueous alcohol solution is 60%.
The pepper raw material is taken from the overground part of a pepper plant, and the pepper raw material is taken from the fruit of pepper; the leaching can be carried out under the ultrasonic condition, and the ultrasonic power can be 80 Hz; the leaching time can be 12 hours; the temperature can be 20 ℃; the number of leaches can be 3.
(3) Concentration: evaporating the obtained pepper extract and pepper extract respectively to obtain pepper extract and pepper extract;
preferably, the evaporation can be carried out in a rotary evaporator, and the temperature can be 50 ℃; the vacuum degree can be 200 Pa; the rotation speed can be 70r/min, the pepper extract is concentrated into pepper extract, and the pepper extract is concentrated into pepper extract.
(4) And (3) extraction: extracting the obtained hot pepper extract by using a second organic solvent to obtain hot pepper extract; extracting the obtained pepper extract by using a second organic solvent to obtain pepper extract;
preferably, 10mL of the second organic solvent can be added into every 1g of the hot pepper extract; the extraction time of the hot pepper extract can be 0.5 h; 5mL of a second organic solvent can be added into every 1g of the pepper extract; the extraction time of the pepper extract can be 0.5 h; the second organic solvent may be acetone and diethyl ether, and the volume ratio may be 1: 1.
(5) mixing: and mixing the hot pepper extract and the pepper extract obtained in the step, adding ethanol and acetic acid, and stirring to obtain the botanical pesticide.
Preferably, ethanol and acetic acid are added as an aqueous solution with a volume fraction of 95%.
Examples 2,
As shown in fig. 1, a plant-derived pesticide applied to flowers includes the following steps:
(1) crushing: collecting pepper raw material and pepper raw material samples, drying, crushing by a crusher, and sieving for later use;
preferably, the drying temperature is 80 ℃.
(2) Extraction: drying and crushing the raw material of the hot pepper, extracting the raw material of the hot pepper by using a first organic solvent, and filtering the raw material of the hot pepper to obtain a hot pepper extracting solution; drying and crushing raw materials of the pepper, extracting the crushed raw materials by using a first organic solvent, and filtering the mixture to obtain a pepper extracting solution;
preferably, 15mL of the first organic solvent can be added into every 1g of the dried and crushed chili raw material; after drying and crushing raw materials of the pepper, 10mL of a first organic solvent can be added into each 1g of the raw materials; the first organic solvent is an aqueous solution of methanol, and the volume fraction of the alcohol in the aqueous solution of the methanol is 80 percent; the pepper raw material is taken from the overground part of a pepper plant, and the pepper raw material is taken from the fruit of pepper; the leaching can be carried out under the ultrasonic condition, and the ultrasonic power can be 100 Hz; the leaching time can be 24 hours; the temperature can be 30 ℃; the number of leaches can be 5.
(3) Concentration: evaporating the obtained pepper extract and pepper extract respectively to obtain pepper extract and pepper extract;
preferably, the evaporation can be carried out in a rotary evaporator, and the temperature can be 60 ℃; the vacuum degree can be 300 Pa; the rotation speed can be 100r/min, the pepper extract is concentrated into pepper extract, and the pepper extract is concentrated into pepper extract.
(4) And (3) extraction: extracting the obtained hot pepper extract by using a second organic solvent to obtain hot pepper extract; extracting the obtained pepper extract by using a second organic solvent to obtain pepper extract;
preferably, 10-15 mL of a second organic solvent can be added into every 1g of the hot pepper extract; the extraction time of the hot pepper extract can be 0.5 h-5 h; 5-10 mL of a second organic solvent can be added into every 1g of the pepper extract; the extraction time of the pepper extract can be 0.5 h-5 h; the second organic solvent may be acetone and diethyl ether, and the volume ratio may be 1: (1-2).
(5) Mixing: mixing the obtained pepper extract and pepper extract, adding ethanol and acetic acid, and stirring to obtain the botanical pesticide.
Preferably, the ethanol and acetic acid may be added in the form of an aqueous solution, the volume fraction of ethanol and acetic acid being 95% or more.
Examples 3,
As shown in fig. 1, a plant-derived pesticide applied to flowers includes the following steps:
(1) crushing: collecting pepper raw material and pepper raw material samples, drying, crushing by a crusher, and sieving for later use;
preferably, the drying temperature is 70 ℃.
(2) Extraction: drying and crushing the raw material of the hot pepper, extracting the raw material of the hot pepper by using a first organic solvent, and filtering the raw material of the hot pepper to obtain a hot pepper extracting solution; drying and crushing raw materials of the pepper, extracting the crushed raw materials by using a first organic solvent, and filtering the mixture to obtain a pepper extracting solution;
preferably, 12mL of the first organic solvent can be added into every 1g of the dried and crushed chili raw material; after drying and crushing raw materials of the pepper, 8mL of a first organic solvent can be added into each 1g of the raw materials; a first organic solvent, namely propylene glycol solution, wherein the volume fraction of alcohol in the propylene glycol aqueous solution is 70%;
the pepper raw material is taken from the overground part of a pepper plant, and the pepper raw material is taken from the fruit of pepper; the leaching can be carried out under the ultrasonic condition, and the ultrasonic power can be 90 Hz; the leaching time can be 18 hours; the temperature can be 25 ℃; the number of leaches can be 4.
(3) Concentration: evaporating the obtained pepper extract and pepper extract respectively to obtain pepper extract and pepper extract;
preferably, the evaporation can be carried out in a rotary evaporator, and the temperature can be 55 ℃; the vacuum degree can be 250 Pa; the rotation speed can be 80r/min, the pepper extract is concentrated into pepper extract, and the pepper extract is concentrated into pepper extract.
(4) And (3) extraction: extracting the obtained hot pepper extract by using a second organic solvent to obtain hot pepper extract; extracting the obtained pepper extract by using a second organic solvent to obtain pepper extract;
preferably, 12mL of the second organic solvent can be added into every 1g of the hot pepper extract; the extraction time of the hot pepper extract can be 2.5 h; adding 8mL of a second organic solvent into every 1g of the pepper extract; the extraction time of the pepper extract can be 2.5 h; the second organic solvent may be acetone and diethyl ether, and the volume ratio may be 1: 1.5.
(5) mixing: mixing the obtained pepper extract and pepper extract, adding ethanol and acetic acid, and stirring to obtain the botanical pesticide.
Preferably, ethanol and acetic acid may be added as an aqueous solution with a volume fraction of ethanol and acetic acid of 98%.
Effect testing
1. Insect expelling and killing effect
Mortality rate (%) < dead insect number/total insect number × l 00%
Comparative examples 1 and 2 are no pesticide application, and comparative examples 3 and 4 are other plant-derived pesticides on the market.
TABLE 1 insect-repellent and insecticidal Effect
As can be seen from Table 1: compared with comparative examples 1 and 2, the total number of the heads of the insects treated by the example is reduced by 64.09%, and the death rate of the insects is increased by 838.46%; compared with comparative examples 3 and 4, the total number of heads of the treated insects in the examples is reduced by 54.23%, and the insect mortality rate is increased by 26.61%. Has obvious insect expelling and killing effect.
2. Preventing and treating diseases
The preventing and treating effect (%) is (blank control disease index-treatment disease index)/blank control disease index multiplied by 100 percent
TABLE 2 effects of preventing and treating diseases
As can be seen from Table 2: compared with comparative examples 1 and 2, the disease index of the example treatment is reduced by 65.85%; compared with comparative examples 3 and 4, the disease index of the treatment of the embodiment is reduced by 50 percent, and the prevention and treatment effect is increased by 79.50 percent.
Has obvious disease preventing and treating effect.
3. Period of validity of pesticide
TABLE 3 preventive effects at different periods
As can be seen from Table 3, compared with the pesticide treatments within one week after the pesticide application and preparation, the mortality of the pesticide treated by each example after the pesticide application and preparation for three months is increased by 0.25%, the disease control effect is reduced by 1.11%, the mortality of the pesticide treated by comparative examples 3 and 4 is reduced by 9.15%, the disease control effect is reduced by 1.31%, and the pesticide effect changes of each treatment are small; compared with pesticide treatments within one week after the pesticide is applied and prepared, the mortality of the pests treated by the pesticide treatments of the examples after the pesticide is applied and prepared for six months is reduced by 0.99%, the disease control effect is reduced by 3.62%, the mortality of the pests treated by the comparative examples 3 and 4 is reduced by 27.44%, the disease control effect is reduced by 74.23%, the pesticide effect of the treatments of the examples is slightly changed during the period, and the pesticide effect of the treatments of the comparative examples 3 and 4 is greatly reduced during the period.
It is to be understood that the above-described respective technical features may be used in any combination without limitation.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A preparation method of a plant source pesticide is characterized by comprising the following steps:
s1, drying and crushing the pepper raw material, leaching with a first organic solvent, and filtering to obtain a pepper extracting solution; drying and crushing raw materials of the pepper, extracting the crushed raw materials by using a first organic solvent, and filtering the mixture to obtain a pepper extracting solution;
s2, evaporating the hot pepper extract and the pepper extract obtained in the step S1 respectively to obtain hot pepper extract and pepper extract;
s3, extracting the chili extract obtained in the step S2 by using a second organic solvent to obtain chili extract; extracting the pepper extract obtained in the step S2 by using a second organic solvent to obtain a pepper extract;
s4, mixing the pepper extract and the pepper extract obtained in the step S3, adding ethanol and acetic acid, and stirring to obtain the botanical pesticide.
2. The method for preparing a botanical pesticide as claimed in claim 1 wherein the pepper stock is taken from the aerial parts of a pepper plant and the pepper stock is taken from the fruit of zanthoxylum bungeanum; the drying temperature is 60-80 ℃.
3. The method for preparing a botanical pesticide as claimed in claim 1, wherein 10-15 mL of the first organic solvent is added to 1g of the dried and crushed pepper raw material;
and 5-10 mL of the first organic solvent is added into every 1g of the dried and crushed raw pepper.
4. The method for producing a plant-derived pesticide according to claim 1, wherein the first organic solvent is at least one of an alcohol, an aqueous alcohol solution, and acetone, the alcohol is at least one of methanol, ethanol, propanol, propylene glycol, and butanol, and the volume fraction of the alcohol in the aqueous alcohol solution is 60% to 80%.
5. The preparation method of the plant-derived pesticide according to claim 1, wherein the leaching is performed under ultrasonic conditions, and the ultrasonic power is 80-100 Hz; leaching for 12-24 hours; the temperature is 20-30 ℃; the leaching times are 3-5 times.
6. The method for producing a plant-derived pesticide according to any one of claims 1 to 5, wherein the evaporation is performed in a rotary evaporator at a temperature of 50 ℃ to 60 ℃; the vacuum degree is 200-300 Pa; and (4) concentrating the hot pepper extracting solution into a hot pepper extract at the rotating speed of 70-100 r/min, and concentrating the hot pepper extracting solution into a hot pepper extract.
7. The method for preparing a botanical pesticide as claimed in any one of claims 1 to 5 wherein 10-15 mL of the second organic solvent is added per 1g of the capsicum extract; the extraction time of the hot pepper extract is 0.5-5 h; adding 5-10 mL of the second organic solvent into every 1g of the pepper extract; the extraction time of the pepper extract is 0.5-5 h.
8. The method for preparing a botanical pesticide as claimed in claim 7 wherein the second organic solvent is acetone and diethyl ether in a volume ratio of 1: (1-2).
9. The method for producing a plant-derived pesticide according to any one of claims 1 to 5, wherein the ethanol and the acetic acid are added in the form of an aqueous solution, and the volume fraction of the ethanol and the acetic acid is 95% or more.
10. A plant source pesticide, which is obtained by the preparation method of any one of claims 1 to 9, and is prepared from the following raw materials in parts by weight: in the step S1, 5 to 20 parts of pepper leach liquor and 1 to 10 parts of pepper leach liquor are used, and in the step S4, 20 to 50 parts of ethanol and 20 to 50 parts of acetic acid are used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911043383.XA CN110692656A (en) | 2019-10-30 | 2019-10-30 | Preparation method of plant-derived pesticide and plant-derived pesticide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911043383.XA CN110692656A (en) | 2019-10-30 | 2019-10-30 | Preparation method of plant-derived pesticide and plant-derived pesticide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110692656A true CN110692656A (en) | 2020-01-17 |
Family
ID=69203838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911043383.XA Pending CN110692656A (en) | 2019-10-30 | 2019-10-30 | Preparation method of plant-derived pesticide and plant-derived pesticide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110692656A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111788948A (en) * | 2020-08-03 | 2020-10-20 | 新疆林业科学院 | Method for raising seedlings of Xinjiang big-fruit narrow-leaved oleaster in saline-alkali soil by cutting in nutrient cup |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1823594A (en) * | 2005-02-25 | 2006-08-30 | 李春年 | Insecticide prepared from pure traditional Chinese medicine |
| CN101897349A (en) * | 2010-08-23 | 2010-12-01 | 刘志亮 | Botanical pesticide for preventing and controlling borer of fruit trees |
| CN104855440A (en) * | 2015-05-21 | 2015-08-26 | 黑龙江省农业科学院经济作物研究所 | Botanical pesticide and preparation method thereof |
| CN106172550A (en) * | 2015-05-28 | 2016-12-07 | 台山市兰宝磨具有限公司 | A kind of Fructus Capsici insect-proof agent and preparation method thereof |
| CN109042769A (en) * | 2018-08-08 | 2018-12-21 | 福建省裕荣香茶业有限公司 | A kind of natural broad-spectrum antibacterial insecticide |
| CN109717216A (en) * | 2017-10-31 | 2019-05-07 | 梁森强 | It is a kind of to utilize garlic, capsicum, Chinese prickly ash, the sterilization and disinfestation agent of ginger extract |
-
2019
- 2019-10-30 CN CN201911043383.XA patent/CN110692656A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1823594A (en) * | 2005-02-25 | 2006-08-30 | 李春年 | Insecticide prepared from pure traditional Chinese medicine |
| CN101897349A (en) * | 2010-08-23 | 2010-12-01 | 刘志亮 | Botanical pesticide for preventing and controlling borer of fruit trees |
| CN104855440A (en) * | 2015-05-21 | 2015-08-26 | 黑龙江省农业科学院经济作物研究所 | Botanical pesticide and preparation method thereof |
| CN106172550A (en) * | 2015-05-28 | 2016-12-07 | 台山市兰宝磨具有限公司 | A kind of Fructus Capsici insect-proof agent and preparation method thereof |
| CN109717216A (en) * | 2017-10-31 | 2019-05-07 | 梁森强 | It is a kind of to utilize garlic, capsicum, Chinese prickly ash, the sterilization and disinfestation agent of ginger extract |
| CN109042769A (en) * | 2018-08-08 | 2018-12-21 | 福建省裕荣香茶业有限公司 | A kind of natural broad-spectrum antibacterial insecticide |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111788948A (en) * | 2020-08-03 | 2020-10-20 | 新疆林业科学院 | Method for raising seedlings of Xinjiang big-fruit narrow-leaved oleaster in saline-alkali soil by cutting in nutrient cup |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102754667B (en) | High-efficiency composite botanical pesticide | |
| CN105394111A (en) | Organic conditioner utilizing starch industrial production wastewater and preparation method thereof | |
| CN105295934A (en) | Novel water-retaining agent using vinegar factory liquid waste and preparation method thereof | |
| CN103931678B (en) | A kind of biopesticide and preparation technology thereof preventing and treating Bradysia fungus gnat | |
| CN109287665B (en) | Ginkgolic acid-abamectin composite pesticide and preparation method thereof | |
| CN105794867B (en) | A kind of Compositional type botanical pesticide and preparation method thereof | |
| CN1209027C (en) | Pesticide without toxin and public nuisance and its production process | |
| CN1218643C (en) | Eupatorine pesticide and its prepn | |
| CN110692656A (en) | Preparation method of plant-derived pesticide and plant-derived pesticide | |
| CN1957713A (en) | New composition of pesticide, preparation method, and purpose | |
| CN101500422B (en) | Polyphenol-content-increasing agent for plant | |
| CN106490033A (en) | A kind of composite pesticide of preventing and treating cotton diseases and insect pestses and preparation method thereof | |
| CN105248455A (en) | Walnut green seedcase extract and application thereof in controlling medlar aphid mycoses | |
| CN110771632A (en) | Comprehensive aphid prevention and control method in dragon orchard | |
| CN103222469B (en) | Method for producing sophocarpidine water aqua by using enzymolysis method | |
| CN115413682A (en) | Application and composition of tomato stem and leaf extract for preventing and treating thrips | |
| RU2355170C1 (en) | Medium for growth stimulation of green and grain crops with fungicide and antistress properties | |
| RU2378817C1 (en) | Method for stimulation of growth and development of oil bearing crops | |
| CN115769825A (en) | Preparation method of high-content ginkgolic acid plant source pesticide | |
| CN1209967C (en) | Euphorbia-one pesticide and preparing method thereof | |
| CN108684723B (en) | Disease-preventing composition special for rice | |
| CN105542783A (en) | Humic acid type inorganic water-retaining agent by using edible vinegar factory waste liquid and preparation method thereof | |
| CN111587883A (en) | Plant pesticide and preparation method and use method thereof | |
| CN103814961A (en) | Tung oil tree cake extract and beauveria bassiana compound insecticide and preparation method thereof | |
| CN107935748A (en) | Insecticide fertilizer for unmanned plane sprinkling and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200117 |