CN113812411A - Sanitary insecticidal composition containing flonicamid and application thereof - Google Patents
Sanitary insecticidal composition containing flonicamid and application thereof Download PDFInfo
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- CN113812411A CN113812411A CN202010556989.XA CN202010556989A CN113812411A CN 113812411 A CN113812411 A CN 113812411A CN 202010556989 A CN202010556989 A CN 202010556989A CN 113812411 A CN113812411 A CN 113812411A
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- flonicamid
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- insecticidal 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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
-
- 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
- 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
- A01N57/16—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds containing heterocyclic radicals
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
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- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to a sanitary insecticidal composition and application thereof, wherein the composition comprises an active component A and an active component B, the active component A is selected from flonicamid, and the active component B is selected from pirimiphos-methyl and fenitrothion. The synergistic interaction effect of the active components improves the pesticide effect and pesticide effect stability of the composition, is very suitable for preventing and controlling indoor and outdoor sanitary pests such as mosquitoes and flies, and is environment-friendly.
Description
Technical Field
The invention relates to the field of sanitary insecticides, in particular to a sanitary insecticidal composition containing flonicamid and application thereof.
Background
The flonicamid is an efficient and selective insecticide, has good systemic property and strong osmosis, can be conducted from the root of a plant to the stem and the leaf, and has long lasting period. Recent research at home and abroad finds that flonicamid can interfere the normal secretion activity of salivary glands of insects by blocking the inward potassium ion inflow of rectification potassium ion channels of the insects, so that the feeding behavior of the insects is inhibited; meanwhile, the normal physiological function of the equine tubule of the insect can be damaged by blocking a Kir channel, so that honeydew secretion or excretion is influenced, and finally the insect is killed, therefore, flonicamid can simultaneously play a role in killing insects by influencing the normal secretion of the salivary gland and the equine tubule of the insect. The insecticidal composition shows good activity on aphids, winged and wingless adult aphids and can effectively control aphids which generate resistance to other medicaments. Generally, the insecticidal composition has no activity on mites, dipteran, coleopteran and lepidopteran pests and has no toxicity on chewing mouthpart pests. However, the latest research of my company discovers that flonicamid has excellent stomach toxicity activity to adult mosquitoes and flies.
The pirimiphos-methyl is an organophosphorus quick-acting broad-spectrum insecticide and acaricide, and has stomach toxicity and fumigation effects. Has good drug effect on stored grain beetles, weevils, rice weevils, flour weevils, grain silverfish, pink webworm, moths and mites. Can also be used for preventing and treating pests in warehouses, families and public health (mosquitoes and flies).
Fenitrothion (fenitrothion) belongs to organophosphorus insecticide. The toxicity is moderate, the toxicity is low for human and livestock, the rat acute oral LD50 is 400-800 mg/kg, and the rat acute percutaneous LD50 is 1200 mg/kg. The fenitrothion has the functions of contact killing and stomach poisoning, has no systemic and fumigation action, has moderate residual effect period and wide insecticidal spectrum, has special effect on lepidoptera larvae, and can also control diptera, hemiptera, coleopteran and other pests.
Through diligent efforts, the applicant of the application finds that the compound of flonicamid and pirimiphos-methyl or fenitrothion has unexpected toxicity synergism. By using a mixture compounded by flonicamid and pirimiphos-methyl or fenitrothion in a certain compounding ratio, the insecticidal activity of the compound is more superior than that of any compound used alone, the insecticidal composition is particularly suitable for controlling sanitary pests which have drug resistance to conventional pyrethroid single or compound agents, organophosphorus and carbamate insecticides by using the hedge technology, and the economic and mammalian safety benefits can be realized.
The compound composition has the characteristics of high efficiency, low toxicity and low irritation, is very suitable for indoor and outdoor sanitary pest control, and is greatly improved in the aspects of high efficiency, low toxicity, quick effect and resistance control compared with the existing sanitary insecticidal composition.
Disclosure of Invention
The invention aims to provide the insecticidal composition containing flonicamid, which has the advantages of good insecticidal effect, low toxicity and low irritation, has obvious synergistic effect after compounding, and can delay the drug resistance of sanitary pests.
In order to realize the purpose of the invention, the technical scheme of the invention is as follows:
the sanitary insecticidal composition containing flonicamid is characterized by comprising an active component A and an active component B, wherein the active component A is selected from flonicamid, the active component B is selected from any one of pirimiphos-methyl and fenitrothion, and the weight ratio of the active component A to the active component B is 80: 1-1: 80.
Preferably, in the sanitary insecticidal composition, the weight ratio of flonicamid to pirimiphos-methyl or fenitrothion is 1: 20-20: 1; more preferably, the weight ratio of the two is 1: 5-5: 1.
Furthermore, the formulation of the sanitary insecticidal composition is missible oil, microemulsion, suspending emulsion and microcapsule suspending-suspending agent, and the dosage of active ingredients in the formulation is 1-50 wt%; preference is given to emulsifiable concentrates and suspoemulsions.
Further, the invention also provides application of the sanitary insect killing composition in preventing and controlling sanitary insect pests, which is characterized in that the sanitary insect pests are mosquitoes and flies.
Compared with the prior art, the invention has the beneficial effects that:
(1) compared with a single agent, the insecticidal composition has obvious synergistic effect on pests, and the synergistic coefficients are all over 130 and even over 200.
(2) The sanitary insecticidal composition has a brand-new action mechanism, and is particularly suitable for preventing and controlling sanitary pests with resistance to pyrethroids, organophosphorus and carbamates.
(3) The flonicamid has strong systemic activity and long-lasting effect, and is safe to non-target organisms; the pirimiphos-methyl and fenitrothion have strong contact activity, quick action and little environmental residue; the two are compounded for controlling mosquitoes in hedge technology or controlling flies in an external environment, and on the premise of ensuring quick action and long action, the environment-friendly and non-target biological safety control agent is environment-friendly.
(4) The novel compound composition is added to the field of domestic sanitary pesticides, has obvious pesticide effect and can be widely popularized and applied.
Detailed Description
The present invention is further illustrated by the following examples, which are not intended to limit the invention to these embodiments. It will be appreciated by those skilled in the art that the present invention encompasses all alternatives, modifications and equivalents as may be included within the scope of the claims.
First, preparation example
All formulations are referred to as "%" in the following formulations.
Formulation examples 1 to 9:
according to the compounding proportion and the dosage of flonicamid and pirimiphos-methyl in the table-1, auxiliary materials comprise 30g of dimethyl sulfoxide, 5g of calcium dodecyl benzene sulfonate, 10g of castor oil polyoxyethylene ether and methyl oleate, and the balance is added to prepare missible oil preparation examples 1-9.
TABLE-1 formulations examples 1 to 9
| Example numbering | Flonicamid | Pirimiphos-methyl | Compounding ratio |
| Formulation example 1 | 0.1g | 9.9g | 1:99 |
| Formulation example 2 | 0.1g | 8.0g | 1:80 |
| Formulation example 3 | 0.5g | 10g | 1:20 |
| Formulation example 4 | 2.0g | 10g | 1:5 |
| Formulation example 5 | 5.0g | 5.0g | 1:1 |
| Formulation example 6 | 10g | 2.0g | 5:1 |
| Formulation example 7 | 10g | 0.5g | 20:1 |
| Formulation example 8 | 8.0g | 0.1g | 80:1 |
| Formulation example 9 | 9.9g | 0.1g | 99:1 |
Formulation example 10:
the microemulsion preparation example 10 is prepared by adding 4.0g of flonicamid, 6.0g of pirimiphos-methyl, 5.0g of calcium dodecylbenzenesulfonate, 15.0g of block polyether emulsifier, 25.0g of cyclohexanone and water to 100 g.
Formulation example 11:
dissolving 2.0g of calcium dodecyl benzene sulfonate, 2.5g of castor oil polyoxyethylene ether and 2.5g of triphenethyl phenol polyoxyethylene ether phosphate triethanolamine salt in 12g of pirimiphos-methyl, adding water to 50g, and shearing to obtain an aqueous emulsion phase; adding water to 50g of triphenylethylphenol polyoxyethylene ether phosphate triethanolamine salt 3.0g, fatty alcohol polyoxyethylene ether 0.5g, flonicamid 8.0g, xanthan gum 0.3g, ethylene glycol 5.0g and potassium sorbate 0.5g, mixing and grinding to obtain a suspending agent phase; mixing the two solutions to obtain suspension emulsion preparation example 11.
Formulation example 12:
uniformly dissolving 20g of pirimiphos-methyl, 6.0g of methyl oleate, 0.5g of diphenylmethane diisocyanate and 0.5g of toluene diisocyanate, adding the rest into an aqueous solution containing 1% of polyvinyl alcohol, shearing for 10min, slowly dropwise adding 0.2g of tetraethylenepentamine, stirring at 45 ℃, preserving heat and curing for 6h, adjusting the pH to 6.5 after the reaction is finished, and uniformly stirring with a 20% flonicamid suspending agent prepared by an equivalent conventional method to obtain the microcapsule suspension-suspending agent preparation example 12.
Formulation example 13:
8g of flonicamid, 12g of fenitrothion, 25g of dimethylacetamide as an auxiliary material, 5g of calcium dodecylbenzene sulfonate, 7g of triphenylethylphenol polyoxyethylene ether phosphate triethanolamine salt and methyl oleate are complemented to prepare missible oil comparative example 13.
Formulation example 14:
3.0g of flonicamid, 9.0g of fenitrothion, 4.0g of calcium dodecyl benzene sulfonate, 8.0g of block polyether emulsifier, 13g of castor oil polyoxyethylene ether, 25.0g of sec-butyl alcohol and water are complemented to 100g to prepare the microemulsion preparation example 14.
Formulation example 15:
dissolving 3.0g of octylphenol polyoxyethylene ether, 2.5g of block polyether and 2.5g of tristyrylphenol polyoxyethylene ether phosphate triethanolamine salt in 10g of fenitrothion, adding water to 50g, and shearing to obtain an aqueous emulsion phase; adding water to 50g of triphenylethylphenol polyoxyethylene ether phosphate triethanolamine salt 3.0g, fatty alcohol polyoxyethylene ether 0.5g, flonicamid 15.0g, xanthan gum 0.3g, ethylene glycol 5.0g and potassium sorbate 0.5g, mixing and grinding to obtain a suspending agent phase; mixing the two solutions to obtain suspension emulsion preparation example 11.
Formulation example 16:
dissolving 15g of fenitrothion, 5.0g of methyl oleate, 0.6g of diphenylmethane diisocyanate and 0.6g of toluene diisocyanate uniformly, adding the rest into a 1% polyvinyl alcohol-containing aqueous solution, shearing for 10min, slowly dropwise adding 0.2g of tetraethylenepentamine, stirring at 45 ℃, preserving heat and curing for 6h, adjusting the pH to 6.5 after the reaction is finished, and then uniformly stirring with a 15% flonicamid suspending agent prepared by an equivalent conventional method to obtain the microcapsule suspension-suspending agent preparation example 12.
Comparative example 1:
10g of flonicamid, 30g of dimethyl sulfoxide as an auxiliary material, 5g of calcium dodecyl benzene sulfonate, 10g of castor oil polyoxyethylene ether and methyl oleate are complemented to prepare the emulsifiable solution of comparative example 1.
Comparative example 2:
10g of pirimiphos-methyl, 30g of dimethyl sulfoxide as an auxiliary material, 5g of calcium dodecyl benzene sulfonate, 10g of castor oil polyoxyethylene ether and methyl oleate in balance to prepare the missible oil comparative example 2.
Comparative example 3:
10g of fenitrothion, 30g of dimethyl sulfoxide as an auxiliary material, 5g of calcium dodecyl benzene sulfonate, 10g of castor oil polyoxyethylene ether and methyl oleate are complemented to prepare missible oil comparative example 3.
II, application embodiment:
application example 1: indoor biological activity assay test of culex pipiens pallens.
The test adopts stomach toxicity method, placing absorbent cotton ball with diameter of 3cm into 250ml beaker, setting 5 times of repetition for each treatment, dripping 2ml of 5% sugar water containing medicinal liquid into the absorbent cotton ball in each repetition, and dripping equal amount of clear water into blank control. Each treatment was set with 7 concentration gradients. 30 adult culex pipiens pallens are placed in each beaker, the treated beakers are placed in a standard feeding incubator, the number of dead insects is checked after 24 hours, and the death rate is calculated. The agents were evaluated for activity against the test insects by performing statistical analysis using the DPS data processing software and calculating LC50 for each agent.
And (3) calculating the mortality rate:
from the mortality data, corrected mortality was calculated for each treatment group. If the mortality rate of the control group is less than 5%, no correction is needed, if the mortality rate of the control group is 5% -20%, the correction is needed; the mortality rate exceeds 20%, the test fails and needs to be done again.
P1＝(K/N)×100％……(1)
In the formula (1): p1-mortality; k-number of dead insects; n-total number of insects treated.
P2＝(Pt-P0)/(1-P0)×100％……(2)
In the formula (2): p2-corrected mortality; pt-treatment mortality; p0-blank control mortality.
Calculating toxicity:
using the method of several value analysis, the LC50 value and its 95% confidence limit were found using the computer software.
Calculating the actually measured virulence index of the mixture:
ATI＝S/M×100……(3)
in the formula (3): ATI-measured toxicity index of mixed agent; s — LC50 for standard insecticides; M-LC 50 in admixture.
Calculating the theoretical virulence index of the mixed preparation:
TTI＝TIA×PA+TIB×PB……(4)
in the formula (4): TTI-theoretical virulence index of the mixture; TIA-A agent virulence index; the percentage content of the PA-A medicament in the mixture; TIB-B agent virulence index; the percentage content of the PB-B medicament in the mixture.
And (3) calculating a co-degree coefficient:
CTC＝ATI/TTI×100……(5)
in the formula (5): CTC-co-toxicity coefficient; ATI-measured toxicity index of mixed agent; TTI-theoretical virulence index of the mixture.
The measurement results are as follows (Table-2)
TABLE-2 results of measurements of application examples
| Numbering | Active ingredient | Ratio of | LC50(mg/L) |
| Formulation example 1 | Flonicamid + pirimiphos-methyl | 1:99 | 1.89 |
| Formulation example 2 | Flonicamid + pirimiphos-methyl | 1:80 | 1.58 |
| Formulation example 3 | Flonicamid + pirimiphos-methyl | 1:20 | 1.53 |
| Formulation example 4 | Flonicamid + pirimiphos-methyl | 1:5 | 1.46 |
| Formulation example 5 | Flonicamid + pirimiphos-methyl | 1:1 | 1.91 |
| Formulation example 6 | Flonicamid + pirimiphos-methyl | 5:1 | 2.43 |
| Formulation example 7 | Flonicamid + pirimiphos-methyl | 20:1 | 4.12 |
| Formulation example 8 | Flonicamid + pirimiphos-methyl | 80:1 | 5.83 |
| Formulation example 9 | Flonicamid + pirimiphos-methyl | 99:1 | 6.87 |
| Comparative example 1 | Flonicamid | 8.46 | |
| Comparative example 2 | Pirimiphos-methyl | 2.15 |
By applying each compounding example LD in example 150And single dose LD50The calculation method calculates the co-toxicity coefficient of the mixture according to the formula for calculating the co-toxicity coefficient of Sunweier, and the calculation result is as follows (Table-3).
Table-3 determination of co-toxicity coefficient of the formulations of the present invention result i:
test results show that when the compounding ratio of flonicamid to pirimiphos-methyl is 1: 80-80: 1, the co-toxicity coefficients are all larger than 130, and have obvious synergistic effect, and particularly when the compounding ratio is 5:1, the co-toxicity coefficient is more than 200.
In addition, similar synergistic effect is achieved when the flonicamid and the fenitrothion are compounded, and the compound is specifically shown in the following table (table-4): .
Table-4 determination of co-toxicity coefficient of the formulations of the present invention ii:
the flonicamid-containing sanitary insecticidal composition and the application thereof have been described by specific examples, and the corresponding other objects can be achieved by appropriately changing the raw materials, the process conditions, the compounding combination or the proportion of the active ingredients and the like by those skilled in the art according to the contents of the invention, and the related changes do not depart from the contents of the invention, and all similar substitutions and changes are obvious to those skilled in the art and are considered to be included in the scope of the invention.
Claims (6)
1. A sanitary insecticidal composition characterized by: the composition comprises an active component A and an active component B, wherein the active component A is selected from flonicamid, the active component B is selected from any one of pirimiphos-methyl and fenitrothion, and the weight ratio of the active component A to the active component B is 80: 1-1: 80.
2. The insecticidal composition according to claim 1, wherein the weight ratio of the two is 1:20 to 20: 1.
3. The insecticidal composition according to claim 2, wherein the weight ratio of the two is 1:5 to 5: 1.
4. An insecticidal formulation comprising an insecticidal composition according to any one of claims 1 to 3 and a pesticidally acceptable adjuvant, wherein the insecticidal composition comprises from 0.01 to 90% by weight of the formulation.
5. A sanitary insecticide composition as claimed in any one of claims 1 to 4, wherein said sanitary insecticide composition is in the form of emulsifiable concentrate, microemulsion, suspoemulsion, suspension-suspension of microcapsules, and the active ingredient is present in the formulation in an amount of 1 to 50% by weight.
6. Use of a sanitary insecticidal composition according to any one of claims 1 to 5 for controlling sanitary pests, characterized in that the sanitary pests are the diptera pest insects mosquitoes, flies, biting midges, gnats, especially mosquitoes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010556989.XA CN113812411A (en) | 2020-06-18 | 2020-06-18 | Sanitary insecticidal composition containing flonicamid and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010556989.XA CN113812411A (en) | 2020-06-18 | 2020-06-18 | Sanitary insecticidal composition containing flonicamid and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113826640A (en) * | 2020-06-23 | 2021-12-24 | 江苏功成生物科技有限公司 | Sanitary insecticidal composition containing flonicamid and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002037964A1 (en) * | 2000-11-10 | 2002-05-16 | Syngenta Participations Ag | Synergistic pesticidal compositions comprising n-cyanomethyl-4-(trifluoromethyl)nicotinamide |
| CN101185441A (en) * | 2000-10-23 | 2008-05-28 | 石原产业株式会社 | Pesticidal composition |
| CN103140135A (en) * | 2010-07-29 | 2013-06-05 | 石原产业株式会社 | Copulation disruption agent for sap-sucking pests |
-
2020
- 2020-06-18 CN CN202010556989.XA patent/CN113812411A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101185441A (en) * | 2000-10-23 | 2008-05-28 | 石原产业株式会社 | Pesticidal composition |
| WO2002037964A1 (en) * | 2000-11-10 | 2002-05-16 | Syngenta Participations Ag | Synergistic pesticidal compositions comprising n-cyanomethyl-4-(trifluoromethyl)nicotinamide |
| CN103140135A (en) * | 2010-07-29 | 2013-06-05 | 石原产业株式会社 | Copulation disruption agent for sap-sucking pests |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113826640A (en) * | 2020-06-23 | 2021-12-24 | 江苏功成生物科技有限公司 | Sanitary insecticidal composition containing flonicamid and application thereof |
| CN113826640B (en) * | 2020-06-23 | 2024-05-03 | 江苏功成生物科技有限公司 | Sanitary insecticidal composition containing flonicamid and application thereof |
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Application publication date: 20211221 |