CN107821431B - Insecticidal composition and production method thereof - Google Patents
Insecticidal composition and production method thereof Download PDFInfo
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- CN107821431B CN107821431B CN201711009500.1A CN201711009500A CN107821431B CN 107821431 B CN107821431 B CN 107821431B CN 201711009500 A CN201711009500 A CN 201711009500A CN 107821431 B CN107821431 B CN 107821431B
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- China
- Prior art keywords
- quinalphos
- insecticidal composition
- sodium methyl
- methyl cocoyl
- 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
- A01N57/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds
- A01N57/24—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds containing heterocyclic 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
- A01N25/30—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 characterised by the surfactants
-
- 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)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Agronomy & Crop Science (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 an insecticidal composition and a production method thereof, wherein the insecticidal composition comprises the following raw materials in percentage by mass: 10-25% of mepiquat chloride; 5-10% of quinalphos; 5-10% of sodium methyl cocoyl taurate; 30-50% of water; 25% -30% of an organic solvent; the insecticidal composition is a compound insecticide of the paichongding and the quinalphos, has obvious synergistic effect, can respectively delay the drug resistance of the paichongding and the quinalphos, and has small drug dosage; under the interaction of the sodium methyl cocoyl taurate, the paichongding and the quinalphos, the drug effect is further improved, and the composition is stable and is not easy to decompose; in the production method, the mepiquat chloride and the sodium methyl cocoyl taurate are heated and mixed firstly, and then the quinalphos is slowly added, so that the uniformity and the stability of the composition are ensured.
Description
Technical Field
The invention belongs to the technical field of pesticide preparations, and particularly relates to an insecticidal composition and a production 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.
Quinalphos has the functions of killing insects and mites, has the functions of stomach toxicity and contact poisoning, has no systemic and fumigation performance, has good permeability on plants, has a certain ovicidal effect, is high in degradation speed on the plants, and is short in residual effect period; is suitable for preventing and treating various pests on rice, cotton, fruit trees and vegetables.
However, the pesticide with single component is easy to generate drug resistance for a long time, and has certain limitation.
Disclosure of Invention
The invention solves the technical problems in the prior art and provides an insecticidal composition and a production method thereof.
In order to solve the problems, the technical scheme of the invention is as follows:
an insecticidal composition comprises the following raw materials in percentage by mass:
10-25% of mepiquat chloride;
5-10% of quinalphos;
5-10% of sodium methyl cocoyl taurate;
30-50% of water;
25 to 30 percent of organic solvent.
Preferably, the organic solvent is any one or more of ethylene glycol, propylene glycol, glycerol, polyethylene glycol, isopropanol and urea.
Preferably, the insecticidal composition comprises the following raw materials in percentage by mass:
mepiquat chloride, 18%;
quinalphos, 6 percent;
sodium methyl cocoyl taurate, 6%;
40% of water;
30% of urea.
A process for producing an insecticidal composition comprising the steps of:
s1, dissolving the paichongding in water, adding sodium methyl cocoyl taurate, heating and stirring for 1-2 hours;
s2, dissolving the quinalphos in an organic solvent, uniformly mixing, slowly adding into the mixed solution prepared in the step 1, and continuously heating and stirring for 1-2 hours.
Preferably, the heating temperature of the step 1 and the step 2 is 50-60 ℃.
Preferably, the stirring rate of step 1 and step 2 is 60-70 rpm.
Preferably, the addition of the mixed solution of quinalphos in the step 1 into the mixed solution prepared in the step 1 is completed within 50-70 minutes by adopting a dropwise addition mode.
Compared with the prior art, the invention has the advantages that,
the insecticidal composition is a compound insecticide of the paichongding and the quinalphos, has obvious synergistic effect, can respectively delay the drug resistance of the paichongding and the quinalphos, and has small drug dosage; under the interaction of the sodium methyl cocoyl taurate, the paichongding and the quinalphos, the pesticide effect is further improved, and the composition is stable and not easy to decompose and has long pesticide effect time;
in the production method, the mepiquat chloride and the sodium methyl cocoyl taurate are heated and mixed firstly, and then the quinalphos is slowly added, so that the uniformity and the stability of the composition are ensured.
Detailed Description
Example 1:
an insecticidal composition comprises the following raw materials in parts by mass:
10 parts of paichongding;
5 parts of quinalphos;
5 parts of sodium methyl cocoyl taurate;
50 parts of water;
ethylene glycol, 30 parts.
The production method of the insecticidal composition comprises the following steps:
s1, dissolving the paichongding in water, adding sodium methyl cocoyl taurate, heating to 50-60 ℃, and stirring for 1-2 hours under the condition that the stirring speed is 60-70 rpm;
s2, dissolving the quinalphos in an organic solvent, uniformly mixing, slowly adding the mixture into the mixed solution prepared in the step 1, completing dropwise addition within 50-70 minutes, and continuously heating and stirring for 1-2 hours.
Example 2:
as in example 1, only the composition (parts by mass) of the composition was modified as follows:
25 parts of paichongding;
quinalphos, 10 parts;
10 parts of sodium methyl cocoyl taurate;
30 parts of water;
isopropanol, 25 parts.
Example 3:
as in example 1, only the composition (parts by mass) of the composition was modified as follows:
18 parts of paichongding;
quinalphos, 6 parts;
6 parts of sodium methyl cocoyl taurate;
40 parts of water;
30 parts of urea.
Comparative example 1:
as in example 3, only the composition (parts by mass) of the composition was modified as follows:
18 parts of paichongding;
quinalphos, 6 parts;
40 parts of water;
36 portions of urea.
Comparative example 2:
in the preparation method of the pesticide composition, the addition sequence of the components influences the stability of the finally prepared pesticide composition.
The formulation was the same as in example 3, except that the production procedure of the pesticidal composition was modified to:
s1, dissolving the paichongding in water,
s2, dissolving the quinalphos in an organic solvent, uniformly mixing, slowly adding the mixture into the mixed solution prepared in the step 1, heating to 50-60 ℃, and stirring for 1-2 hours at a stirring speed of 60-70 rpm;
s3, slowly adding the sodium methyl cocoyl taurate into the solution prepared in the step 2, and continuously heating and stirring for 1-2 hours.
Comparative example 3:
in the preparation method of the pesticide composition, the dripping speed of quinalphos influences the stability of the finally prepared pesticide composition.
The formulation was the same as in example 3, except that the production procedure of the pesticidal composition was modified to:
s1, dissolving the paichongding in water, adding sodium methyl cocoyl taurate, heating to 50-60 ℃, and stirring for 1-2 hours under the condition that the stirring speed is 60-70 rpm;
s2, dissolving the quinalphos in an organic solvent, uniformly mixing, adding into the mixed solution prepared in the step 1 for one time, and continuously heating and stirring for 1-2 hours.
Example 4:
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, which shows that the combination of the mepiquat chloride and the quinalphos has obvious synergistic effect on the brown planthopper; the sodium methyl cocoyl taurate plays an important role in the effectiveness and stability of the composition, and the uniformity of a system is poor due to the combination of the pure mepiquat chloride and the quinalphos; the adding sequence and the adding speed of the raw materials also influence the control effect and the stability of the prepared composition, the mepiquat chloride is firstly mixed with the methyl cocoyl sodium taurate in a water phase and then is slowly mixed with the quinalphos dissolved in an organic phase under the heating and stirring conditions, and the prepared uniform and stable composition system has higher control effect and chemical stability.
Example 5:
the insecticidal compositions prepared in example 3, comparative examples 1 to 3 were used for stability testing: placing the insecticidal composition into a closed container, heating at 60 ℃ for 21 days, detecting the concentrations of the mepiquat chloride and the quinalphos by using high performance liquid chromatography, and calculating the decomposition rate:
(iii) decomposition rate [ (C)Pepper insect pyridine+CQuinalphos)Initial concentration-(CPepper insect pyridine+CQuinalphos)After 21 days]/(CPepper insect pyridine+CQuinalphos)Initial concentration
Decomposition rate of example 3: 1.4 percent;
decomposition rate of comparative example 1: 35.8 percent;
decomposition rate of comparative example 2: 45.7 percent;
decomposition rate of comparative example 2: 5.9 percent;
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 (6)
1. The insecticidal composition is characterized by comprising the following raw materials in percentage by mass:
10-25% of mepiquat chloride;
5-10% of quinalphos;
5-10% of sodium methyl cocoyl taurate;
30-50% of water;
25% -30% of an organic solvent;
the production method of the insecticidal composition comprises the following steps:
s1, dissolving the paichongding in water, adding sodium methyl cocoyl taurate, heating and stirring for 1-2 hours;
s2, dissolving the quinalphos in an organic solvent, uniformly mixing, slowly adding into the mixed solution prepared in the step 1, and continuously heating and stirring for 1-2 hours.
2. The insecticidal composition according to claim 1, wherein said organic solvent is any one or more of ethylene glycol, propylene glycol, glycerol, polyethylene glycol, isopropyl alcohol, and urea.
3. The insecticidal composition according to claim 1, comprising the following raw materials in parts by mass:
mepiquat chloride, 18%;
quinalphos, 6 percent;
sodium methyl cocoyl taurate, 6%;
40% of water;
30% of urea.
4. An insecticidal composition according to any one of claims 1 to 3 wherein the heating temperature in step 1 and step 2 is from 50 ℃ to 60 ℃.
5. An insecticidal composition according to any one of claims 1 to 3 wherein the agitation rate in step 1 and step 2 is from 60 to 70 rpm.
6. The pesticidal composition according to any one of claims 1 to 3, wherein the addition of the mixed solution of quinalphos in step 1 to the mixed solution obtained in step 1 is carried out dropwise in 50 to 70 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711009500.1A CN107821431B (en) | 2017-10-25 | 2017-10-25 | Insecticidal composition and production method thereof |
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| CN201711009500.1A CN107821431B (en) | 2017-10-25 | 2017-10-25 | Insecticidal composition and production method thereof |
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| CN107821431A CN107821431A (en) | 2018-03-23 |
| CN107821431B true CN107821431B (en) | 2020-04-14 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007101369A1 (en) * | 2006-03-09 | 2007-09-13 | East China University Of Science And Technology | Preparation method and use of compounds having high biocidal activities |
| CN101742914A (en) * | 2007-05-18 | 2010-06-16 | 爱今科技有限公司 | Bioactive acid agrichemical compositions and use thereof |
-
2017
- 2017-10-25 CN CN201711009500.1A patent/CN107821431B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007101369A1 (en) * | 2006-03-09 | 2007-09-13 | East China University Of Science And Technology | Preparation method and use of compounds having high biocidal activities |
| CN101742914A (en) * | 2007-05-18 | 2010-06-16 | 爱今科技有限公司 | Bioactive acid agrichemical compositions and use thereof |
Non-Patent Citations (1)
| Title |
|---|
| 吡虫啉防止稻飞虱效果及对天敌的影响;张夕林 等;《湖北农业科学》;19961231(第2期);35-37 * |
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| CN107821431A (en) | 2018-03-23 |
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