CN112335695A - Nano composite pesticide and preparation method and application thereof - Google Patents
Nano composite pesticide and preparation method and application thereof Download PDFInfo
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- CN112335695A CN112335695A CN202011378255.3A CN202011378255A CN112335695A CN 112335695 A CN112335695 A CN 112335695A CN 202011378255 A CN202011378255 A CN 202011378255A CN 112335695 A CN112335695 A CN 112335695A
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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
-
- 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
- A01N25/24—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 ingredients to enhance the sticking of the active ingredients
-
- 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
- A01N31/08—Oxygen or sulfur directly attached to an aromatic ring system
- A01N31/16—Oxygen or sulfur directly attached to an aromatic ring system with two or more oxygen or sulfur atoms directly attached to the same aromatic 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
- 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
- A01N51/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds having the sequences of atoms O—N—S, X—O—S, N—N—S, O—N—N or O-halogen, regardless of the number of bonds each atom has and with no atom of these sequences forming part of a heterocyclic ring
-
- 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
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/16—Heavy metals; Compounds thereof
- A01N59/20—Copper
-
- 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]
- A01N65/42—Aloeaceae [Aloe family] or Liliaceae [Lily family], e.g. aloe, veratrum, onion, garlic or chives
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- 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
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental Sciences (AREA)
- Zoology (AREA)
- Plant Pathology (AREA)
- Wood Science & Technology (AREA)
- Dentistry (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Natural Medicines & Medicinal Plants (AREA)
- Biotechnology (AREA)
- Microbiology (AREA)
- Mycology (AREA)
- Inorganic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention provides a nano composite pesticide and a preparation method and application thereof. The pesticide comprises the following components in parts by weight: 20-35 parts of garlic extract, 15-20 parts of hydrophilic high molecular compound, 15-22 parts of durian shell extract, 5-12 parts of thiamethoxam, 1-3 parts of abamectin, 5-8 parts of sodium dodecyl sulfate, 1-2 parts of tert-butyl hydroquinone and 4-9 parts of polyoxyethylene. Firstly, preparing garlic extract and durian shell extract; mixing thiamethoxam, abamectin, sodium dodecyl sulfate, tert-butyl hydroquinone, polyoxyethylene and a hydrophilic high molecular compound, ball-milling, adding a garlic extract and a durian shell extract, stirring uniformly, and spray-drying to obtain the pesticide. The pesticide of the invention has obvious insecticidal effect, simple components, wide sources and good and high environmental toxicity, and can replace a small amount of fertilizer for use.
Description
Technical Field
The invention relates to the technical field of pesticide preparation, in particular to a nano composite pesticide and a preparation method and application thereof.
Background
The pesticide is mainly used for preventing and controlling agricultural pests and urban sanitary pests, has long usage history, large dosage and multiple varieties, is provided with a large amount of compound pesticides in the market at present, but most of the pesticides are compound among chemical pesticides, most of the mixed pesticides have high toxicity to people and livestock and are easy to cause poisoning of people and livestock, and after long-term use, the pests can generate drug resistance, so that the prevention and control effect is reduced.
With the rapid development of nanotechnology, the nanometer materials are widely applied in the fields of biotechnology, medicine, detection and the like, and the nanometer pesticide has the advantages of low efficiency, stability, few chemical components and certain slow release effect.
In practical production applications, it is a subject to be studied how to improve the insecticidal effect by using waste biomass and to promote plant growth by using agricultural chemicals to a certain extent.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a nano-composite pesticide, a preparation method and application thereof.
A nano composite pesticide comprises the following components in parts by weight: 20-35 parts of allicin extract, 15-20 parts of hydrophilic macromolecular compound, 15-22 parts of durian shell extract, 5-12 parts of thiamethoxam, 1-3 parts of abamectin, 5-8 parts of sodium dodecyl sulfate, 1-2 parts of tert-butyl hydroquinone and 4-9 parts of polyoxyethylene; the hydrophilic high molecular compound is formed by mixing acrylic acid-maleic acid copolymer, starch and foam copper.
As an improvement, the nano composite pesticide comprises the following components in parts by weight: 28 parts of allicin extract, 18 parts of hydrophilic macromolecular compound, 20 parts of durian shell extract, 10 parts of thiamethoxam, 2 parts of abamectin, 6 parts of sodium dodecyl sulfate, 1.2 parts of tert-butyl hydroquinone and 5 parts of polyoxyethylene; the hydrophilic high molecular compound is formed by mixing acrylic acid-maleic acid copolymer, starch and foam copper.
The improvement is that the mole ratio of acrylic acid-maleic acid copolymer, starch and foam copper in the hydrophilic macromolecular compound is 10-15: 1: 2-4.
The improvement is that the allicin extract is 3-5% water extract by mass; the durian shell extract is water extract with the mass fraction of 5-10%.
The preparation method of the nano composite pesticide comprises the following steps:
step 1, peeling and chopping garlic, cleaning and chopping durian shells, adding water for leaching respectively, repeatedly leaching for 1-3 times, and combining leaching liquor to obtain a garlic extract and a durian shell extract;
and 2, mixing thiamethoxam, abamectin, sodium dodecyl sulfate, tert-butyl hydroquinone, polyoxyethylene and a hydrophilic high molecular compound, ball-milling for 1-3min, adding a garlic extract and a durian shell extract, uniformly stirring, and spray-drying to obtain the nano composite pesticide.
The application method of the nano-composite pesticide comprises the steps of mixing the nano-composite pesticide with water according to the volume ratio of 1:800-1000, and then spraying.
Has the advantages that:
compared with the prior art, the nano composite pesticide and the preparation method and the application thereof have the advantages that:
1. the main component in the durian shell is polysaccharide, the durian shell extract is used as the component, and the synergistic insecticidal effect of the allicin extract and the foamy copper is combined, so that the cell wall components are effectively destroyed, the insects and bacteria fundamentally lack the viability, the addition of chemical antibacterial components is reduced, and the insecticidal effect is ensured;
2. according to the invention, the hydrophilic macromolecular compound is used for replacing a solubilizer, so that the compatibilization effect of the chemical pesticide is ensured, and the relativistic macromolecular compound is formed by mixing hydrophilic foamy copper, acrylic acid, maleic acid copolymer and starch, so that the adhesive force of the pesticide is improved as a component, and the foamy copper with a sterilization effect is attached to the starch structure, so that the insecticidal sterilization effect is improved;
3. the nano composite pesticide disclosed by the invention is simple in preparation method and easy to store, and the waste durian shells are used as raw materials, so that the utilization of regenerated biomass is increased, and the environment friendliness is improved.
Detailed description of the preferred embodiments
Example 1
A nano composite pesticide comprises the following components in parts by weight: 20 parts of garlic extract, 15 parts of hydrophilic macromolecular compound, 15 parts of durian shell extract, 5 parts of thiamethoxam, 1 part of abamectin, 5 parts of sodium dodecyl sulfate, 1 part of tert-butyl hydroquinone and 4 parts of polyoxyethylene; the hydrophilic high molecular compound is prepared by mixing acrylic acid-maleic acid copolymer, starch and foam copper, and the molar ratio is 10: 1: 2. the garlic extract is a water extract with the mass fraction of 3%; the durian shell extract is water extract with the mass fraction of 5%.
The preparation method of the nano composite pesticide comprises the following steps:
step 1, peeling and chopping garlic, cleaning and chopping durian shells, adding water for extraction respectively, repeatedly extracting for 3 times, and combining the extract liquid to obtain a garlic extract and a durian shell extract;
and 2, mixing thiamethoxam, abamectin, sodium dodecyl sulfate, tert-butyl hydroquinone, polyoxyethylene and a hydrophilic high molecular compound, ball-milling for 1min, adding a garlic extract and a durian shell extract, uniformly stirring, and spray-drying to obtain the nano composite pesticide.
The application method of the nano-composite pesticide comprises the step of mixing the nano-composite pesticide with water according to the volume ratio of 1:800 for later use.
The method is characterized in that the whole plant of the brontispa longissima is sprayed, adults of the brontispa longissima are festered and died after all the adults climb out, the death rate is up to 97.5%, and 100% of larvae die.
Example 2
A nano composite pesticide comprises the following components in parts by weight: 28 parts of garlic extract, 18 parts of hydrophilic macromolecular compound, 20 parts of durian shell extract, 10 parts of thiamethoxam, 2 parts of abamectin, 6 parts of sodium dodecyl sulfate, 1.2 parts of tert-butyl hydroquinone and 5 parts of polyoxyethylene; the hydrophilic high molecular compound is formed by mixing acrylic acid-maleic acid copolymer, starch and foam copper; and the molar ratio is 12: 1: 3.
the garlic extract is a water extract with the mass fraction of 4%; the durian shell extract is water extract with mass fraction of 8%.
The preparation method of the nano composite pesticide comprises the following steps:
step 1, peeling and chopping garlic, cleaning and chopping durian shells, adding water for extraction respectively, repeatedly extracting for 3 times, and combining the extract liquid to obtain a garlic extract and a durian shell extract;
and 2, mixing thiamethoxam, abamectin, sodium dodecyl sulfate, tert-butyl hydroquinone, polyoxyethylene and a hydrophilic high molecular compound, ball-milling for 3min, adding a garlic extract and a durian shell extract, uniformly stirring, and spray-drying to obtain the nano composite pesticide.
The application method of the nano-composite pesticide comprises the step of mixing the nano-composite pesticide and water according to the volume ratio of 1:900 for later use.
The prevention and treatment rate after spraying is 98.4% aiming at wheat powdery mildew appearing in Zhenjiang city of Jiangsu province, and the sugar content of the sprayed wheat is improved by 5% compared with the prior art. The sugar content test method is carried out according to the method for detecting the polysaccharide content in the national standard, and the wheat with the same area is selected for testing, so that the conditions that the factors are completely the same except the difference of pesticide spraying are ensured.
Example 3
A nano composite pesticide comprises the following components in parts by weight: 35 parts of garlic extract, 20 parts of hydrophilic macromolecular compound, 22 parts of durian shell extract, 12 parts of thiamethoxam, 3 parts of abamectin, 8 parts of sodium dodecyl sulfate, 2 parts of tert-butyl hydroquinone and 9 parts of polyoxyethylene; the hydrophilic high molecular compound is prepared by mixing acrylic acid-maleic acid copolymer, starch and foam copper, and the molar ratio is 15: 1: 4.
in an improvement, the garlic extract is water extract with the mass fraction of 5%; the durian shell extract is a water extract with the mass fraction of 10%.
The preparation method of the nano composite pesticide comprises the following steps:
step 1, peeling and chopping garlic, cleaning and chopping durian shells, adding water for extraction respectively, repeatedly extracting for 3 times, and combining the extract liquid to obtain a garlic extract and a durian shell extract;
and 2, mixing thiamethoxam, abamectin, sodium dodecyl sulfate, tert-butyl hydroquinone, polyoxyethylene and a hydrophilic high molecular compound, ball-milling for 3min, adding a garlic extract and a durian shell extract, uniformly stirring, and spray-drying to obtain the nano composite pesticide.
The application method of the nano-composite pesticide comprises the step of mixing the nano-composite pesticide with water according to the volume ratio of 1:1000 for later use.
The strawberry is sprayed in a strawberry garden in the sentence-holding city of Jiangsu province, the mildew rate of the strawberries is reduced by 92 percent, and the obtained strawberries are fresh, tender, sweet and not easy to rot.
Comparative example 1
The same as in example 2 except that garlic extract was not contained.
The prevention and treatment rate after spraying is 65% aiming at wheat powdery mildew appearing in Zhenjiang city of Jiangsu province, and the sugar content of the sprayed wheat is improved by 1.2% compared with the prior art. The sugar content test method is carried out according to the method for detecting the polysaccharide content in the national standard, and the wheat with the same area is selected for testing, so that the conditions that the factors are completely the same except the difference of pesticide spraying are ensured.
Comparative example 2
The same as example 2 except that no durian shell extract was included.
The prevention and treatment rate reaches 74% after spraying aiming at wheat powdery mildew appearing in Zhenjiang city of Jiangsu province, and the sugar content of the sprayed wheat is improved by 0.2% compared with the prior art. The sugar content test method is carried out according to the method for detecting the polysaccharide content in the national standard, and the wheat with the same area is selected for testing, so that the conditions that the factors are completely the same except the difference of pesticide spraying are ensured.
Comparative example 3
The procedure of example 2 was repeated, except that the hydrophilic polymer compound contained no copper foam.
The prevention and treatment rate reaches 81.4% after spraying aiming at wheat powdery mildew appearing in Zhenjiang city of Jiangsu province, and the sugar content of the sprayed wheat is improved by 4.2% compared with the prior art. The sugar content test method is carried out according to the method for detecting the polysaccharide content in the national standard, and the wheat with the same area is selected for testing, so that the conditions that the factors are completely the same except the difference of pesticide spraying are ensured.
In conclusion, the nano composite pesticide, the preparation method and the application thereof not only ensure the sterilization and disinsection effects of the pesticide, but also have simple preparation method, the pesticide not only reduces the pollution to the environment, and the polysaccharide ingredients in the garlic extract and the durian shell extract in the components can also be used as nutrients, thereby reducing the application of fertilizers, reducing the planting cost and improving the yield.
Claims (6)
1. The nano composite pesticide is characterized by comprising the following components in parts by weight: 20-35 parts of garlic extract, 15-20 parts of hydrophilic high molecular compound, 15-22 parts of durian shell extract, 5-12 parts of thiamethoxam, 1-3 parts of abamectin, 5-8 parts of sodium dodecyl sulfate, 1-2 parts of tert-butyl hydroquinone and 4-9 parts of polyoxyethylene; the hydrophilic high molecular compound is formed by mixing acrylic acid-maleic acid copolymer, starch and foam copper.
2. The nanocomposite pesticide according to claim 1, which is characterized by comprising the following components in parts by weight: 28 parts of garlic extract, 18 parts of hydrophilic macromolecular compound, 20 parts of durian shell extract, 10 parts of thiamethoxam, 2 parts of abamectin, 6 parts of sodium dodecyl sulfate, 1.2 parts of tert-butyl hydroquinone and 5 parts of polyoxyethylene; the hydrophilic high molecular compound is formed by mixing acrylic acid-maleic acid copolymer, starch and foam copper.
3. The nanocomposite pesticide according to claim 1 or 2, wherein the molar ratio of the acrylic acid-maleic acid copolymer, the starch and the copper foam in the hydrophilic polymer compound is 10-15: 1: 2-4.
4. The nanocomposite pesticide according to claim 1, wherein the garlic extract is 3-5% by mass of water extract; the durian shell extract is water extract with the mass fraction of 5-10%.
5. The nanocomposite pesticide according to claim 1, which comprises the following steps:
step 1, peeling and chopping garlic, cleaning and chopping durian shells, adding water for leaching respectively, repeatedly leaching for 1-3 times, and combining leaching liquor to obtain a garlic extract and a durian shell extract;
and 2, mixing thiamethoxam, abamectin, sodium dodecyl sulfate, tert-butyl hydroquinone, polyoxyethylene and a hydrophilic high molecular compound, ball-milling for 1-3min, adding a garlic extract and a durian shell extract, uniformly stirring, and spray-drying to obtain the nano composite pesticide.
6. A method for using the nano-composite pesticide obtained in the claim 1 or the claim 5 is characterized in that the composite pesticide and water are mixed according to the volume ratio of 1:800-1000 and then sprayed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011378255.3A CN112335695A (en) | 2020-11-30 | 2020-11-30 | Nano composite pesticide and preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011378255.3A CN112335695A (en) | 2020-11-30 | 2020-11-30 | Nano composite pesticide and preparation method and application thereof |
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| CN112335695A true CN112335695A (en) | 2021-02-09 |
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| CN202011378255.3A Pending CN112335695A (en) | 2020-11-30 | 2020-11-30 | Nano composite pesticide and preparation method and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115623944A (en) * | 2022-12-23 | 2023-01-20 | 鄂尔多斯市农牧业生态与资源保护中心(鄂尔多斯市耕地质量监测保护中心) | Method for comprehensively preventing and controlling thrips |
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| CN115623944A (en) * | 2022-12-23 | 2023-01-20 | 鄂尔多斯市农牧业生态与资源保护中心(鄂尔多斯市耕地质量监测保护中心) | Method for comprehensively preventing and controlling thrips |
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Application publication date: 20210209 |