CN111226945A - Synergistic insecticidal and acaricidal composition - Google Patents

Synergistic insecticidal and acaricidal composition Download PDF

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CN111226945A
CN111226945A CN201811444597.3A CN201811444597A CN111226945A CN 111226945 A CN111226945 A CN 111226945A CN 201811444597 A CN201811444597 A CN 201811444597A CN 111226945 A CN111226945 A CN 111226945A
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active component
composition
compound
active
pests
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CN111226945B (en
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宋玉泉
班兰凤
刘少武
常秀辉
范晓溪
张俊龙
于海波
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Shenyang Sinochem Agrochemicals R&D Co Ltd
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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
    • A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
    • A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
    • 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
    • A01N31/02—Acyclic 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
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/42—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing within the same carbon skeleton a carboxylic group or a thio analogue, or a derivative thereof, and a carbon atom having only two bonds to hetero atoms with at the most one bond to halogen, e.g. keto-carboxylic acids

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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)
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Abstract

The invention belongs to the field of insecticides and acaricides, and relates to a synergistic insecticidal and acaricidal composition. The composition contains A, B two active components, wherein the weight part ratio of the component A to the component B is 1:99-99: 1; the active component A is selected from a compound I shown in the following structural formula, the active component B is selected from mitochondrial transfer complex (II) inhibitors, such as insecticides/acaricides, and the structure of the active component A is shown in the following.

Description

Synergistic insecticidal and acaricidal composition
Technical Field
The invention belongs to the field of insecticides and acaricides, and relates to a synergistic insecticidal and acaricidal composition.
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 combination of compound I or its homologues with other insecticides and acaricides has been widely disclosed in the prior art to provide additional advantages and effects, the technical scheme of the binary insecticide and acaricide composition containing compound I has not been specifically disclosed.
Disclosure of Invention
The invention aims to develop a synergistic insecticidal and acaricidal composition to meet the requirements of increasing the effect of insecticidal and acaricidal agents and continuously updating the varieties in the aspect of preventing and controlling pests in the fields of agriculture and forestry and urban sanitation.
In order to achieve the purpose, the invention adopts the technical scheme that:
a synergistic insecticidal and acaricidal composition comprises A, B two active components, wherein the weight ratio of active component A to 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 mitochondrial transmission complex (II) inhibitor pesticides/acarides;
the active component A compound I has the following structure:
Figure BDA0001885462150000011
the active component B is selected from pyrazotocast, cyenopyrafen or cyflumetofen.
Preferably, the active component A is a compound I, and the active component B is selected from pyraclonil, cyenopyrafen or cyflumetofen; the weight part ratio of the two active components is 40:1-1: 40.
Preferably, the active component A is a compound I, and the active component B is selected from pyraclonil, cyenopyrafen or cyflumetofen; the weight part ratio of the two active components is 20:1-1: 20.
Still further preferably, the active component A is a compound I, and the active component B is selected from pyraclonil, cyenopyrafen or cyflumetofen; the weight part ratio of the two active components is 10:1-1: 10.
More preferably, the active component A is a compound I, and the active component B is selected from pyraclonil, cyenopyrafen or cyflumetofen; the weight part ratio of the two active components is 5:1-1: 5.
The composition, the carrier and any one of the auxiliary agents are mixed to prepare a preparation containing the composition.
The cumulative content of active ingredients in the preparation is between 0.5% and 95%. Preferably, the cumulative amount of active ingredient in the formulation is between 1% and 85%.
The application of a synergistic insecticidal and acaricidal composition, which is used for preparing an insecticidal and acaricidal agent for controlling agricultural pests or urban sanitary pests.
The above records are particularly suitable for controlling various important agricultural pests such as tetranychus cinnabarinus, tetranychus hawthorn, panonychus citri, rust citrus mite, tetranychus ulmi, tetranychus urticae koch, gall mite, tetranychus urticae koch 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, office places, trees and the like.
Further, the method for using the synergistic insecticidal and acaricidal composition is to apply the prepared insecticidal and acaricidal agent on the pests to be controlled or the medium for growing the pests by using the effective dose meter. 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.
The invention has the following advantages:
1. the composition of the invention shows obvious synergistic effect in a certain proportion range, and improves the control effect of the compound on pests.
2. The composition of the invention reduces the dosage of the compound in application, thereby reducing the use cost and reducing the environmental pollution.
3. The active ingredients in the composition have different action mechanisms, so that the problem of cross resistance does not exist, the pest resistance can be delayed by using the composition to control pests, and the control effect on resistant populations is improved.
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 the test samples by using an electronic analytical balance, wherein the original drug is dissolved by acetone and diluted into liquid medicine with a certain concentration 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, 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 3 agents such as chlorfenapyr in combination for detecting tetranychus cinnabarinus mite
Figure BDA0001885462150000031
Figure BDA0001885462150000041
Example 2 indoor Activity assay of compositions containing Compound I against Tetranychus cinnabarinus
The synergistic effect measurement effect data show that the composition formed by mixing the compound I and 3 medicaments such as the ethacrylonitrile and the like has an obvious synergistic effect on tetranychus cinnabarinus adults, and further, the indoor activity is measured by a Sunpi (Sun y-p) method by using the compound I, the combination formed by the ethacrylonitrile, the cyenopyrafen and the cyflumetofen in a test of 5:1-1: 5.
Test targets: tetranychus cinnabarinus (Boisdivaval) becomes a sensitive strain which is bred 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 an Airbrush 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. Calculating corrected mortality by abbott formula, performing statistical analysis by DPS data processing software, and calculating 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:
Figure BDA0001885462150000053
in the formula: actually measuring a toxicity index of the ATI-mixed agent; LC of S-Standard drug50(ii) a LC of M-mixtures50。
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.
Figure BDA0001885462150000054
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 tables 2-4.
Table 2: indoor combined toxicity determination result of compound I-ethacrylonitrile on tetranychus cinnabarinus
Figure BDA0001885462150000051
Table 3: indoor combined toxicity determination result of compound I-cyenopyrafen on tetranychus cinnabarinus
Figure BDA0001885462150000052
Figure BDA0001885462150000061
Table 4: indoor combined toxicity determination result of compound I-cyflumetofen on tetranychus cinnabarinus
Figure BDA0001885462150000062
The data show that the compound I and the cyflumetofen are matched with 3 pairs of tetranychus cinnabarinus LC50Value of 0.41mg/L, single dose LC50Values of 0.50mg/L and 2.25mg/L, respectively, mean that the dosage of the composition (0.41mg/L) is less than the dosage of one or both of the single doses (0.50mg/L and 2.25mg/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 the field dosage and chamberInner 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. A synergistic insecticidal and acaricidal composition is characterized in that: the composition contains A, B two active components, 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 mitochondrial transmission complex (II) inhibitor pesticides/acarides;
the active component A compound I has the following structure:
Figure FDA0001885462140000011
2. the composition of claim 1, wherein: the active component B is selected from pyrazotocast, cyenopyrafen or cyflumetofen.
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 pyraclonil, cyenopyrafen or cyflumetofen; 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 pyraclonil, cyenopyrafen or cyflumetofen; 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 pyraclonil, cyenopyrafen or cyflumetofen; 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 pyraclonil, cyenopyrafen or cyflumetofen; the weight part ratio of the two active components is 5:1-1: 5.
7. The composition of claim 1, wherein: the composition, the carrier and any one of the auxiliary agents are mixed to prepare a preparation containing the composition.
8. The composition of claim 7, wherein: the cumulative content of active ingredients in the preparation is between 0.5% and 95%.
9. Use of a synergistic insecticidal and acaricidal composition according to claim 1, characterized in that: the composition is used for preparing insecticide and acaricide for controlling agricultural pests or urban sanitary pests.
10. Use of a synergistic insecticidal and acaricidal composition according to claim 9, characterized in that: the prepared insecticide and acaricide is applied to the pests to be controlled or the medium for the growth of the pests by using an effective dose meter.
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Cited By (4)

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Publication number Priority date Publication date Assignee Title
CN114642203A (en) * 2020-12-17 2022-06-21 沈阳中化农药化工研发有限公司 Insecticidal and acaricidal composition
CN114642204A (en) * 2020-12-17 2022-06-21 沈阳中化农药化工研发有限公司 Insect-killing and mite-killing composition containing insect growth regulator insect/mite killing agent
WO2022166737A1 (en) * 2021-02-05 2022-08-11 沈阳化工大学 Biphenyl compound containing sulfide (sulfoxide) substitution and use thereof
CN116158428A (en) * 2021-11-25 2023-05-26 沈阳中化农药化工研发有限公司 Liquid preparation containing biphenyl structure

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CN104663670A (en) * 2013-11-26 2015-06-03 中国中化股份有限公司 Synergistic miticidal composition
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
CN106305758A (en) * 2015-06-23 2017-01-11 沈阳中化农药化工研发有限公司 Synergistic and compounded pest and mite killing composition
CN106605654A (en) * 2015-10-21 2017-05-03 陕西韦尔奇作物保护有限公司 Insecticidal composition containing SYP-9625

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JP2009023910A (en) * 2007-07-17 2009-02-05 Kumiai Chem Ind Co Ltd Biphenyl sulfide compound and insecticidal or acaricidal agent
CN102626101A (en) * 2012-03-31 2012-08-08 陕西韦尔奇作物保护有限公司 Efficient insecticidal composition containing cyflumetofen
CN104663705A (en) * 2013-11-26 2015-06-03 中国中化股份有限公司 Pest-killing and mite-killing composition
CN104663670A (en) * 2013-11-26 2015-06-03 中国中化股份有限公司 Synergistic miticidal composition
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114642203A (en) * 2020-12-17 2022-06-21 沈阳中化农药化工研发有限公司 Insecticidal and acaricidal composition
CN114642204A (en) * 2020-12-17 2022-06-21 沈阳中化农药化工研发有限公司 Insect-killing and mite-killing composition containing insect growth regulator insect/mite killing agent
CN114642203B (en) * 2020-12-17 2023-03-24 沈阳中化农药化工研发有限公司 Insecticidal and acaricidal composition
CN114642204B (en) * 2020-12-17 2023-06-13 沈阳中化农药化工研发有限公司 Insecticidal and acaricidal composition containing insect growth regulator insect/acarid agent
WO2022166737A1 (en) * 2021-02-05 2022-08-11 沈阳化工大学 Biphenyl compound containing sulfide (sulfoxide) substitution and use thereof
CN116158428A (en) * 2021-11-25 2023-05-26 沈阳中化农药化工研发有限公司 Liquid preparation containing biphenyl structure

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