CN107668067B - Pepper pesticide composition and preparation method thereof - Google Patents
Pepper pesticide composition and preparation method thereof Download PDFInfo
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- CN107668067B CN107668067B CN201711016332.9A CN201711016332A CN107668067B CN 107668067 B CN107668067 B CN 107668067B CN 201711016332 A CN201711016332 A CN 201711016332A CN 107668067 B CN107668067 B CN 107668067B
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- Prior art keywords
- paichongding
- pesticide composition
- pesticide
- guar gum
- composition
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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
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/10—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds
- A01N57/14—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds containing aromatic radicals
-
- 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
- A01N25/08—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 solids as carriers or diluents
- A01N25/10—Macromolecular 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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention belongs to the technical field of pesticide preparations, and particularly relates to a paichongding pesticide composition and a preparation method thereof, wherein the paichongding pesticide composition comprises the following raw materials in parts by weight: 3-6% of mepiquat chloride; 5-15% of Daofeng rice; 4-8% of guar gum; 69-88% of a solvent; the guar gum, the paichongding and the phenthoate are combined according to a certain proportion, so that the stability of the composition is greatly improved, the synergistic effect on improving the pesticide effect is realized, and the active effect on delaying the drug resistance of the paichongding is realized; the preparation method of the paichongding pesticide composition comprises the following steps: dissolving the paichongding in a solvent, heating to 35-42 ℃, adding, slowly adding the guar gum under the stirring condition, continuously stirring for 1-2 hours, adding the phenthoate, and stirring for 2-3 hours to prepare the pesticide composition of the paichongding; the method has simple process and mild conditions, and can reduce the cost.
Description
Technical Field
The invention belongs to the technical field of pesticide preparations, and particularly relates to a paichongding pesticide composition and a preparation method thereof.
Background
The mepiquat chloride is a novel efficient, broad-spectrum and low-toxicity nicotine pesticide, is mainly used for preventing homoptera pests, and has good prevention and control effect on rice planthoppers; the mepiquat chloride has a unique structure, is a cis-structure different from most insecticides, is safe to the environment, people, livestock, natural enemies of pests and other beneficial organisms different from the existing nicotine insecticides, and particularly changes the condition that the nicotine insecticides are highly toxic to bees; the pests have no resistance to the pesticide, and the pesticide is environment-friendly.
Chinese patent 201410673375.4 discloses an insecticidal composition containing paichongding, which comprises effective amount of component A and component B, wherein component A is paichongding, component B is one or two of phenthoate and chlorfenapyr, and is used for preventing and treating various pests of rice, vegetables and fruit trees; however, the composition is unstable, easily decomposed, and not easily stored for a long period of time.
Disclosure of Invention
The invention solves the technical problems in the prior art and provides a method.
In order to solve the problems, the technical scheme of the invention is as follows:
the pesticide composition of the paichongding comprises the following raw materials in percentage by mass:
3-6% of mepiquat chloride;
5-15% of Daofeng rice;
4-8% of guar gum;
69-88% of solvent.
The cationic guar gum is a water-soluble high molecular polymer and has the chemical name of guar gum hydroxypropyl trimethyl ammonium chloride; guar gum is generally used as a conditioner, an antistatic agent and a thickener for hair and skin, is suitable for shampoo and hair conditioner or used as a papermaking auxiliary agent, improves the retention and drainage of paper sheets, and can maintain or improve the evenness of the paper sheets; but has not been applied in the field of pesticide preparation; the guar gum, the paichongding and the phenthoate are combined according to the concentration, so that the stability of the composition can be greatly improved, and the synergistic effect on improving the pesticide effect is realized.
Preferably, the solvent is one or more of water, ethylene glycol aqueous solution, propylene glycol aqueous solution, glycerol aqueous solution, polyethylene glycol aqueous solution, isopropanol aqueous solution and urea aqueous solution.
Preferably, the mass fractions of the ethylene glycol aqueous solution, the propylene glycol aqueous solution, the glycerol aqueous solution, the polyethylene glycol aqueous solution, the isopropanol aqueous solution and the urea aqueous solution are 18-22%.
Preferably, the pesticide composition of the paichongding comprises the following raw materials in parts by weight:
5% of mepiquat chloride;
10% of Daofeng, namely Daohuan;
guar gum, 5%;
22 percent of glycol aqueous solution and 80 percent of glycol aqueous solution.
The preparation method of the paichongding pesticide composition comprises the following steps: dissolving the paichongding in a solvent, heating to 35-42 ℃, adding, slowly adding the guar gum under the stirring condition, continuously stirring for 1-2 hours, adding the phenthoate, and stirring for 2-3 hours to prepare the pesticide composition of the paichongding.
Preferably, the stirring speed is 60-70 rpm.
Compared with the prior art, the invention has the advantages that,
according to the pesticide composition of the paichongding, the guar gum, the paichongding and the phenthoate are combined according to a certain proportion, so that the stability of the composition is greatly improved, and the pesticide effect time is long; meanwhile, the pesticide composition has a synergistic effect on improving the pesticide effect and plays a positive role in delaying the drug resistance of the paichongding;
the preparation method of the paichongding pesticide composition has the advantages of simple process, mild conditions and cost reduction.
Detailed Description
Example 1:
the pesticide composition of the paichongding comprises the following raw materials in parts by weight:
3 parts of paichongding;
5 parts of Daofeng rice;
4 parts of guar gum;
and 88 parts of water.
The preparation method of the paichongding pesticide composition comprises the following steps: dissolving the paichongding in water, heating to 35-42 ℃, adding, slowly adding the guar gum under the condition that the stirring speed is 60-70rpm, continuously stirring for 1-2 hours, adding the phenthoate, and stirring for 2-3 hours to prepare the pesticide composition of the paichongding.
Example 2:
as in example 1, only the composition (parts by mass) of the composition was modified as follows:
6 parts of paichongding;
15 parts of Daofeng rice;
8 parts of guar gum;
69 parts of glycerol aqueous solution with the mass fraction of 18 percent.
Example 3:
as in example 1, only the composition (parts by mass) of the composition was modified as follows:
5 parts of paichongding;
10 portions of oryza sativa powder;
5 parts of guar gum;
80 parts of 22% ethylene glycol aqueous solution.
Comparative example 1:
as in example 3, without guar gum added, the composition of the composition (parts by mass) was modified as:
5 parts of paichongding;
10 portions of oryza sativa powder;
22 parts of glycol aqueous solution and 85 parts of glycol aqueous solution.
Comparative example 2:
in the preparation method of the pesticide composition of the paichongding, the addition sequence of the components influences the stability of the finally prepared pesticide composition.
The formula is the same as that in example 3, the preparation steps of the pesticide composition of the paichongding are modified as follows: dissolving the paichongding in water, heating to 35-42 ℃, adding the phenthoate under stirring, continuing to stir for 1-2 hours, slowly adding the guar gum, and stirring for 2-3 hours to prepare the pesticide composition of the paichongding.
Example 4:
the pesticidal composition of mepiquat chloride prepared in example 3, comparative examples 1-2 was used for stability testing: putting the pesticide composition of the paichongding into a closed container, heating for 21 days at 45 ℃, detecting the concentrations of the paichongding and the phenthoate by using a high performance liquid chromatography, and calculating the decomposition rate:
(iii) decomposition rate [ (C)Pepper insect pyridine+CRice Fengshu san)Initial concentration-(CPepper insect pyridine+CRice Fengshu san)After 21 days]/(CPepper insect pyridine+CRice Fengshu san)Initial concentration
Decomposition rate of example 3: 1.3 percent;
decomposition rate of comparative example 1: 41.1%;
decomposition rate of comparative example 2: 34.6 percent;
example 5:
control test for brown planthopper
The test is carried out in paddy fields in suburb areas of Jiangsu saline cities in 7 months in 2017, a knapsack sprayer is adopted for the whole-field spraying test, field blocks with consistent rice growth and uniform plant hopper distribution are selected, the uniform spraying is carried out, the population base number is counted, and the number of live insects is checked in 1 day, 7 days and 15 days after the pesticide application:
TABLE 1 Pepper's pesticide composition for controlling brown planthopper
Ai/ha is the effective component dosage per hectare, and the composition prepared in examples 1-3 still has high control effect 15 days after administration, which shows that guar gum has significant synergistic effect on the drug effect of the composition.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and all equivalent substitutions or substitutions made on the above-mentioned embodiments are included in the scope of the present invention.
Claims (5)
1. The pesticide composition of the paichongding is characterized by comprising the following raw materials in parts by mass:
3-6% of mepiquat chloride;
5-15% of Daofeng rice;
4-8% of guar gum;
69-88% of a solvent;
the preparation method of the paichongding pesticide composition comprises the following steps: dissolving the paichongding in a solvent, heating to 35-42 ℃, adding, slowly adding the guar gum under the stirring condition, continuously stirring for 1-2 hours, adding the phenthoate, and stirring for 2-3 hours to prepare the pesticide composition of the paichongding.
2. The pesticide composition of paichongding as claimed in claim 1, wherein the solvent is one or more of water, glycol water solution, propylene glycol water solution, glycerol water solution, polyethylene glycol water solution, isopropanol water solution and urea water solution.
3. The pesticidal composition of paichongding of claim 2, wherein the mass fraction of the aqueous solution of ethylene glycol, propylene glycol, glycerol, polyethylene glycol, isopropyl alcohol and urea is 18-22%.
4. The paichongding pesticide composition as claimed in claim 1, which comprises the following raw materials in parts by weight:
5% of mepiquat chloride;
10% of Daofeng, namely Daohuan;
guar gum, 5%;
22 percent of glycol aqueous solution and 80 percent of glycol aqueous solution.
5. The pesticidal composition of paichongding of claim 1, wherein the stirring speed is 60-70 rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711016332.9A CN107668067B (en) | 2017-10-25 | 2017-10-25 | Pepper pesticide composition and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711016332.9A CN107668067B (en) | 2017-10-25 | 2017-10-25 | Pepper pesticide composition and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN107668067A CN107668067A (en) | 2018-02-09 |
| CN107668067B true CN107668067B (en) | 2021-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711016332.9A Active CN107668067B (en) | 2017-10-25 | 2017-10-25 | Pepper pesticide composition and preparation method thereof |
Country Status (1)
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Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2013122948A (en) * | 2010-11-12 | 2014-12-20 | Родиа Оперейшнс | AGRICULTURAL PESTICIDAL COMPOSITIONS |
| CN104488915B (en) * | 2014-11-22 | 2016-08-24 | 海南正业中农高科股份有限公司 | Pesticidal combination containing paichongding |
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