CN112704070A - Insecticidal and acaricidal composition containing pyrethroid insecticides/acaricides - Google Patents
Insecticidal and acaricidal composition containing pyrethroid insecticides/acaricides Download PDFInfo
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Classifications
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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
- 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
- A01N31/14—Ethers
-
- 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
- A01N53/00—Biocides, pest repellants or attractants, or plant growth regulators containing cyclopropane carboxylic acids or derivatives thereof
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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)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention belongs to the field of insecticides and acaricides, and relates to an insecticidal and acaricidal composition containing pyrethroid insecticides/acarides. The composition comprises an active component A and an active component B, wherein the weight part ratio of the active component A to the active component B is 1: 99-99: 1; the active component A is selected from a compound I, and the active component B is selected from pyrethroid insecticides/acaricides; the active component A has the following structure, and the composition has the advantages of obvious synergism, resistance delay and the like, and can be used for controlling various pests.
Description
Technical Field
The invention belongs to the field of insecticides and acaricides, and relates to an insecticidal and acaricidal composition containing pyrethroid insecticides/acaricides.
Background
The insecticidal and acaricidal agent has obvious effect on preventing and controlling agricultural and forestry pests or urban sanitary pests.
The Chinese patent CN105541682 discloses a biphenyl compound and application thereof in controlling insect pests and mite pests, wherein the compound 1 (hereinafter referred to as compound I) can be used for controlling various pests and mites, and particularly has an outstanding control effect on the pest mites.
The insecticide and acaricide containing single active component can be continuously used for preventing and controlling pests, and is easy to cause the pests to generate drug resistance. The insecticide and acaricide with two active components are mixed into a mixed component according to a certain proportion, so that the control effect can be improved, the using amount of active components is reduced, the cost is saved, and the generation of drug resistance of pests can be delayed.
Although the prior art generally discloses insecticidal and acaricidal compositions containing compound I, the compositions described differ from other compositions in terms of broadening the insecticidal spectrum and do not achieve a broad spectrum of action, nor are their effects expected.
Disclosure of Invention
The invention aims to provide an insecticidal and acaricidal composition in order to meet the requirements of increasing the effect of insecticidal and acaricidal agents and continuously updating varieties in the aspect of preventing and controlling pests in the fields of agriculture, forestry and urban sanitation.
In order to achieve the purpose, the invention adopts the technical scheme that:
the insecticidal and acaricidal composition containing the pyrethroid insecticide/acaricide comprises an active component A and an active component B, wherein the weight part ratio of the active component A to the active component B is 1: 99-99: 1; the active component A is selected from a compound I, and the active component B is selected from pyrethroid insecticides/acaricides; the active component A compound I has the following structure:
the active component B is selected from fenpropathrin, beta-cyfluthrin, cyhalothrin, permethrin, Heptafluthrin, Momfluorothrin or cypermethrin.
The active component A is a compound I, and the active component B is selected from fenpropathrin or beta-cyfluthrin; the weight part ratio of the two active components is 40:1-1: 40.
The active component A is a compound I, and the active component B is selected from fenpropathrin or beta-cyfluthrin; the weight part ratio of the two active components is 20:1-1: 20.
The active component A is a compound I, and the active component B is selected from fenpropathrin or beta-cyfluthrin; the weight part ratio of the two active components is 10:1-1: 10.
The active component A is a compound I, and the active component B is selected from fenpropathrin or beta-cyfluthrin; the weight part ratio of the two active components is 5:1-1: 5.
The application of an insecticidal and acaricidal composition containing pyrethroid insecticides/acaricides in preparing insecticidal and acaricidal agents for controlling agricultural pests or urban sanitary pests.
Applying the composition to a pest or a medium in which it is desired to control, in an effective dosimeter.
The composition of the invention is particularly suitable for controlling various important agricultural pests, such as the invention also comprises the application of the composition of the invention prepared into insecticidal and acaricidal preparations for controlling agricultural and forestry pests or urban sanitary pests. The insecticidal composition is particularly suitable for controlling various important agricultural pests such as armyworm, asparagus caterpillar, cotton bollworm, cutworm, cabbage looper, apple leaf roller, rice leaf roller, corn borer, chilo suppressalis, diamond back moth, cabbage caterpillar, fall webworm, tenebrio molitor, gypsy moth, oriental migratory locust, underground pest, leaf miner, aphid, leafhopper, flower scale insect, potato beetle, flea beetle, thrips, lygus bugs, tetranychus cinnabarinus, hawthorn leaf mite, panonychus citri, citrus rust mite, apple leaf mite, tetranychus urticae, gall mite, pink mite and the like, and urban pests such as termite, cockroach, ant, flies, mosquitoes and the like. It can be used for fruit trees such as apple, pear, citrus, and litchi, cereals such as wheat and rice, beans such as soybean and kidney bean, cotton, and vegetables such as cabbage, cauliflower, Chinese cabbage, rape, tomato, pepper, and flowers. When the insecticidal composition is used for preventing and controlling urban pests, the insecticidal composition can be used for families, various public places and office places, trees and dams and the like which are damaged by termites.
Further, a method for using the insecticidal and acaricidal composition containing the pyrethroid insecticide/acaricide, which is to apply the prepared insecticidal and acaricidal agent to the pests to be controlled or the medium for the growth of the pests by using an effective dose. Preferably, an effective dose of 10 g to 500 g per hectare is generally selected, preferably an effective dose of 15 g to 100 g per hectare.
An insecticidal and acaricidal preparation is prepared by mixing the composition as an active ingredient with a carrier and any one of adjuvants.
The cumulative content of active ingredients of the composition in the preparation is between 0.5 wt% and 95 wt%. Preferably, the cumulative amount of active ingredient in the formulation is between 1% and 85%.
The invention has the following advantages:
1. the composition of the invention shows obvious synergistic effect on insect and mite killing in a certain proportion range, and improves the control effect of a single active ingredient compound in the composition on pests.
2. The dosage of the composition applied to killing insects and mites is obviously lower than that of a single compound in the composition, so that the use cost is reduced, and the environmental pollution is reduced.
3. The effective components in the composition have different action mechanisms in the processes of killing insects and mites, so that the problem of cross resistance does not exist, the occurrence of drug resistance of pests can be delayed by using the composition to control the pests, and the control effect on resistant populations is improved.
4. The composition of the invention improves the broad spectrum property relative to each single agent, but the synergistic effect is not linearly related to the single agent.
Detailed Description
The following specific examples are intended to illustrate the invention in further detail, but the invention is by no means limited to these examples. In the examples, the proportions of the components are by weight.
Indoor biological activity assay
Example 1 determination of the synergistic Effect of a composition containing Compound I on Tetranychus cinnabarinus
Test subjects: tetranychus cinnabarinus (Tetranychus cinnabarinus Boisdival), adult mites, and indoor-reared sensitive strains.
And (3) testing conditions are as follows: temperature: 24-26 ℃, relative humidity: 60%, illumination: l: D ═ 14:10
Preparing a liquid medicine: according to different test requirements, accurately weighing test samples (the compositions and the original drugs with different proportions in the invention) by using an electronic analytical balance respectively, wherein the original drug is dissolved by acetone and diluted into liquid medicine with certain concentration by using 0.1 percent of Tween 80 water according to the test design dose.
The test method comprises the following steps: the activity of tetranychus cinnabarinus on adult tetranychus cinnabarinus is determined by a potted seedling spraying method. Firstly, 40-60 adult tetranychus cinnabarinus with consistent size are grafted to kidney bean seedlings (one true leaf is reserved) in a first true leaf development period, and the base number is counted after the adult tetranychus cinnabarinus is stabilized; then, the test specimens were treated with the liquid medicine by the Airbrush method, 1.5mL per specimen, and a blank control was set.
And after natural drying in the shade, placing the treated test material in an observation chamber, adjusting the temperature, humidity and illumination of the observation chamber as required, investigating the number of live mites after 72 hours, and calculating the mortality. Evaluation was carried out by the Bliss method, which is one of the classical methods for evaluating the effect of mixtures. Bliss, based on its proposed concept of independent combined action, believes that the theoretical mortality rate P of a combination of insecticides and acaricides can be calculated by the following formula:
P＝Pm+Pn(1-Pm)
Pmis the mortality (%) of the target at a concentration m of the first active ingredient; pnThe mortality (%) of the target at a concentration of n is used for the second active component.
If the actual mortality rate of the target after the two active components are mixed at a certain concentration is greater than the theoretical mortality rate P, the two active components are judged to have synergistic effect when being mixed at a set concentration, otherwise, the two active components are antagonistic.
The results are shown in Table 1.
TABLE 1 synergistic effect of compound I and 2 agents such as fenpropathrin on Tetranychus cinnabarinus
Example 2 indoor Activity assay of compositions containing Compound I against Tetranychus cinnabarinus
The synergistic effect measurement data show that the composition formed by mixing the compound I and 2 medicaments such as fenpropathrin has obvious synergistic effect on tetranychus cinnabarinus adults, and the indoor activity measurement is further carried out on the composition formed by the compound I and the fenpropathrin in a test ratio of 5:1-1:5 by a Sun y-p method.
Test targets: tetranychus cinnabarinus (Tetranychus cinnabarinus Boisdival) adult mite, a sensitive strain raised indoors.
Preparing a liquid medicine: according to different test requirements, accurately weighing the test samples by using an electronic analytical balance, wherein the original drug is dissolved by acetone and diluted into a series of liquid medicines with a certain concentration gradient by using 0.1% Tween 80 water according to the test design dosage.
The test method comprises the following steps: the activity of tetranychus cinnabarinus on adult tetranychus cinnabarinus is determined by a potted seedling spraying method. Firstly, inoculating tetranychus cinnabarinus with consistent size to kidney bean seedlings (one true leaf is reserved) in a first true leaf flattening period, and counting the base number after the tetranychus cinnabarinus is stabilized; then uniformly spraying the liquid medicine by using an Airbrush spraying method according to the sequence of test design from low dose to high dose, wherein each plant is 1.5mL, and the treatment is repeated for 4 times, and a blank control is additionally arranged.
And (3) placing the treated test material in an observation chamber, wherein the temperature, the humidity and the illumination of the observation chamber can be adjusted as required. The number of dead and live mites was investigated after 72 hours. Calculation of correction death Using the abbott equationThe death rate is statistically analyzed by DPS data processing software to obtain the toxicity regression equation and LC for each single agent and different mixture ratio50The value and the 95% confidence limit, and the cotoxicity coefficient of each proportion is calculated by a Sun Yun Pei (Sun y-p) method, and the blending effect is evaluated.
The co-toxicity coefficient (CTC value) of the mixture was calculated according to the following formula:
in the formula: actually measuring a toxicity index of the ATI-mixed agent; LC of S-Standard drug50A value; LC of M-mixtures50The value is obtained.
TTI＝TIA×PA+TIB×PB
In the formula: TTI-mixture theory virulence index; 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.
In the formula: CTC-co-toxicity coefficient; actually measuring a toxicity index of the ATI-mixed agent; TTI-mixture theory virulence index.
Co-toxicity coefficient (CTC) of the combination: CTC is more than or equal to 120 and shows synergistic effect; CTC is less than or equal to 80 and shows antagonism; 80< CTC <120 shows additive effects.
And, LC of the composition50LC with a value less than one or two of the single doses50By value, it is meant that the composition is administered in a dose less than one or both of the single doses, while achieving the same effect (mortality rate of 50%).
The test results are shown in Table 2.
Table 2: indoor combined toxicity determination result of compound I-fenpropathrin on tetranychus cinnabarinus
The data show that the compound I and fenpropathrin are matched with 1 pair of tetranychus cinnabarinus LC50Value of 0.43mg/L, single dose LC50Values of 0.46mg/L and 5.12mg/L, respectively, mean that the dosage of the composition (0.43mg/L) is less than the dosage of one or both of the single doses (0.46mg/L and 5.12mg/L) at the same effect (mortality of 50%); in addition, the control effect of the composition is higher than the theoretical effect of two single agents to different degrees from the definition of co-toxicity coefficient; due to field dosage and indoor LC50The values are positively correlated, so the field dosage of the composition is correspondingly reduced, thereby reducing the use cost and reducing the environmental pollution.
Claims (10)
1. An insecticidal and acaricidal composition containing pyrethroid insecticide/acaricide, which is characterized in that: the composition comprises an active component A and an active component B, wherein the weight part ratio of the active component A to the active component B is 1: 99-99: 1; the active component A is selected from a compound I, and the active component B is selected from pyrethroid insecticides/acaricides; the active component A compound I has the following structure:
2. the composition of claim 1, wherein: the active component B is selected from fenpropathrin, beta-cyfluthrin, cyhalothrin, permethrin, Heptafluthrin, Momfluorothrin or cypermethrin.
3. A composition according to claim 1 or 2, characterized in that: the active component A is a compound I, and the active component B is selected from fenpropathrin, beta-cyfluthrin, cyhalothrin, permethrin, Heptafluthrin, Momfluorothrin or cypermethrin; the weight part ratio of the two active components is 40:1-1: 40.
4. A composition according to claim 3, characterized in that: the active component A is a compound I, and the active component B is selected from fenpropathrin or beta-cyfluthrin; the weight part ratio of the two active components is 20:1-1: 20.
5. The composition of claim 4, wherein: the active component A is a compound I, and the active component B is selected from fenpropathrin or beta-cyfluthrin; the weight part ratio of the two active components is 10:1-1: 10.
6. The composition of claim 5, wherein: the active component A is a compound I, and the active component B is selected from fenpropathrin or beta-cyfluthrin; the weight part ratio of the two active components is 5:1-1: 5.
7. The use of the pyrethroid type insecticidal/acaricidal composition according to claim 1, which comprises: the use of said composition for the preparation of an insecticidal and acaricidal agent for controlling agricultural or urban sanitary pests.
8. The use of a pyrethroid type insecticidal/acaricidal composition according to claim 7 which comprises: applying the composition to a pest or a medium in which it is desired to control, in an effective dosimeter.
9. An insecticidal and acaricidal preparation is characterized in that: the composition of claim 1 as an active ingredient is mixed with a carrier and any one of adjuvants to prepare a preparation.
10. An insecticidal and acaricidal formulation according to claim 9, characterized in that: the cumulative content of active ingredients of the composition in the preparation is between 0.5 wt% and 95 wt%.
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| CN201911021377.4A CN112704070B (en) | 2019-10-25 | 2019-10-25 | Insecticidal and acaricidal composition containing pyrethroid insecticides/acaricides |
| PCT/CN2020/123112 WO2021078236A1 (en) | 2019-10-25 | 2020-10-23 | Synergistic insecticidal and acaricidal composition |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115530170A (en) * | 2021-06-29 | 2022-12-30 | 沈阳中化农药化工研发有限公司 | Insecticidal and acaricidal composition |
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| CN104663702A (en) * | 2013-11-26 | 2015-06-03 | 中国中化股份有限公司 | Insecticidal and acaricidal composition containing esbiothrin insecticide |
| CN105541682A (en) * | 2014-10-24 | 2016-05-04 | 沈阳中化农药化工研发有限公司 | Biphenyl compound and application thereof |
| CN110037021A (en) * | 2019-05-22 | 2019-07-23 | 侨昌现代农业有限公司 | A kind of acaricidal miticide composition of Synergistic type of class containing biphenyl |
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Patent Citations (4)
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| JP2009023910A (en) * | 2007-07-17 | 2009-02-05 | Kumiai Chem Ind Co Ltd | Biphenyl sulfide compounds and insecticide / acaricide |
| CN104663702A (en) * | 2013-11-26 | 2015-06-03 | 中国中化股份有限公司 | Insecticidal and acaricidal composition containing esbiothrin insecticide |
| CN105541682A (en) * | 2014-10-24 | 2016-05-04 | 沈阳中化农药化工研发有限公司 | Biphenyl compound and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115530170A (en) * | 2021-06-29 | 2022-12-30 | 沈阳中化农药化工研发有限公司 | Insecticidal and acaricidal composition |
| CN115530170B (en) * | 2021-06-29 | 2024-03-22 | 沈阳中化农药化工研发有限公司 | Insecticidal and acaricidal composition |
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