CN113016812A - Insecticidal and acaricidal synergistic composition and application thereof - Google Patents
Insecticidal and acaricidal synergistic composition and application thereof Download PDFInfo
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- CN113016812A CN113016812A CN201911345242.3A CN201911345242A CN113016812A CN 113016812 A CN113016812 A CN 113016812A CN 201911345242 A CN201911345242 A CN 201911345242A CN 113016812 A CN113016812 A CN 113016812A
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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
- A01N43/58—1,2-Diazines; Hydrogenated 1,2-diazines
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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
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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
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/80—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2
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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
- A01N43/90—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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- General Health & Medical Sciences (AREA)
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Abstract
The invention belongs to the field of pesticides, and discloses an insecticidal and acaricidal composition containing A, B two active components and an application thereof, wherein the active component A is selected from pyrazotocillin; the active component B is selected from dimpropylidaz, acyclonapyr or isocycloseram. The weight part ratio of A, B two active components in the composition is 1: 50 to 50: 1. the composition has obvious synergistic effect, prolongs the control effect, reduces the pesticide consumption, and prevents pests and mites from generating drug resistance easily. The composition can be applied to the control of various pests and mites of various crops.
Description
Technical Field
The invention belongs to the field of pesticides, and particularly relates to an insecticidal and acaricidal synergistic composition containing pyrazoxyfen-ethyl and an application thereof.
Background
In the agricultural production process, the application of chemical agents is one of the most effective means for preventing and treating plant diseases and insect pests. The long-term continuous high-dose application of single chemical insecticide and acaricide easily causes the problems of medicament residue, environmental pollution, generation of drug resistance of pests and mites, and the like. The reasonable compounding or mixing of the chemical insecticide and the acaricide has the positive characteristics of expanding insecticidal and acaricidal spectrum, improving control effect, prolonging the application period, reducing the dosage, reducing phytotoxicity, reducing residues, delaying the occurrence and development of drug resistance and drug resistance of pests and mites, and the like.
Dimppyridaz is a formamidopyrazole insecticide developed by Pasteur, and is used for controlling piercing-sucking mouthpart pests; the acyclonapyr is a novel acaricide developed by Nippon Caoda corporation, has good control effect on pest mites of fruit trees, vegetables and tea trees, and is expected to be on the market in 2020; isocycloseram is an amide insecticide developed by prenatal corporation. The structural formulae of the three compounds are shown below:
disclosure of Invention
The invention aims to provide an insecticidal and acaricidal synergistic composition containing pyraclonil and application thereof.
In order to achieve the purpose, the invention adopts the technical scheme that:
an insecticidal and acaricidal synergistic composition containing chlorfenapyr and application thereof, the composition contains A, B two active components, the active component A is selected from chlorfenapyr; the active component B is selected from dimpropylidaz, acyclonapyr or isocycloseram; wherein the A, B weight part ratio of the two active components is 1: 50 to 50: 1.
Preferably: the component A in the composition is selected from the group consisting of pyrazotoconazole; component B is selected from dimipropyridaz; A. the weight part ratio of the two active components B is 1: 20 to 20: 1.
the component A in the composition is selected from the group consisting of pyrazotoconazole; component B is selected from dimipropyridaz; A. the weight part ratio of the two active components B is 1: 10 to 10: 1.
the component A in the composition is selected from the group consisting of pyrazotoconazole; the component B is selected from acytonapyr; A. the weight part ratio of the two active components B is 1: 50 to 50: 1.
the component A in the composition is selected from the group consisting of pyrazotoconazole; component B is selected from isocycloseram; A. the weight part ratio of the two active components B is 1: 10 to 10: 1.
the cumulative weight content of active ingredients in the composition is 0.5% -95%.
The composition can be prepared into missible oil, suspending agent, water dispersible granule, aqueous emulsion, microemulsion, soluble liquid or wettable powder according to the needs.
The application of the composition and the application of the composition in preparing agricultural insecticide and acaricide medicaments. The insecticidal composition is used for preventing and controlling pests, mites or urban sanitary pests on fruit trees, vegetables, ornamental plants, tea, cotton and cereal crops.
According to the invention, a large number of tests prove the synergistic effect of the ethaboxam and different new compounds, and the indoor biological activity determination result shows that the combination of the ethaboxam and the dimpropylpridaz, acyclonapyr or isocyloseram in a proper proportion range can greatly improve the activity to tetranychus cinnabarinus and has higher activity to other target pests.
The insecticidal and acaricidal composition can be used for preventing and controlling pests, acarids or urban sanitary pests on fruit trees, vegetables, ornamental plants, tea, cotton and cereal crops; in particular, the insecticidal and acaricidal composition of the present invention is particularly useful for controlling harmful mites on panonychus citri, tetranychus citri, citrus mites, citrus leaf mites, tetranychus crataegi, panonychus ulmi, bryozoatum, tetranychus urticae, tetranychus theophyllus, tetranychus brachypomus, tetranychus telarius, tetranychus cinnabarinus, tetranychus truncatus, tetranychus turkestani, tetranychus dunhuang, red spider mites, tetranychus merdae, spider mites of the genus spider mites which are harmful to date trees, tetranychus mites of the genus prototetranychus, mites of vegetables, flowers and the like; can also be used for preventing and controlling aphids on fruit trees and vegetables such as cotton aphid, peach aphid, radish aphid, broad bean aphid, soybean aphid, meadowsweet aphid and the like; and whitefly or scale insect on fruits and vegetables, flowers and cotton, such as bemisia tabaci, whitefly, trialeurodes vaporariorum, Lecanicillium kummer, Lecanicillium peltatum, Lecanicillium kummer, etc.; and lepidoptera pests on fruit trees, vegetables and field crops such as chilo suppressalis, ostrinia nubilalis, cnaphalocrocis medinalis, sesamia inferens, plutella xylostella, spodoptera exigua, armyworm, prodenia litura, spodoptera frugiperda and the like. Therefore, the technical scheme of the invention also comprises the application of the acaricidal composition of the invention in preparing agricultural insecticidal and acaricidal agents.
The insecticidal and acaricidal composition can be applied to pests/mites and/or their habitat to be controlled in an effective dose.
The insecticidal and acaricidal composition has the following advantages: 1. the two compounded active components A, B have different action mechanisms, and can delay the generation of drug resistance of pests; 2. the using amount of the pesticide is reduced, the control effect is prolonged, the residual amount of the pesticide on crops is reduced, and the environmental friendliness is enhanced; 3. has special effect on various pests and mites on various crops.
The binary insecticidal and acaricidal composition containing the pyraclonil is used for improving the control effect, reducing the dosage and solving the problems of resistance generation, pesticide effect reduction and the like possibly caused by long-term use of single insecticidal and acaricidal agents.
Detailed Description
The following examples are presented to illustrate the invention in detail to facilitate a further understanding of the invention. The active ingredient A, B is prepared by conventional method, and the raw materials in the composition can be synthesized according to the prior art or obtained commercially; the composition can be prepared into corresponding dosage forms and can be automatically mixed according to the records of the prior art.
Example 1: indoor joint toxicity determination test of pyriproxyfen and dimpropylpyridazz mixed on tetranychus cinnabarinus
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, dissolving the original medicine by using acetone, and diluting the dissolved original medicine into a series of liquid medicines with a certain concentration gradient by using 0.1% of Tween 80 water according to the test design.
The test method comprises the following steps: the activity of tetranychus cinnabarinus on tetranychus cinnabarinus is determined by a spraying method. Firstly, inoculating tetranychus cinnabarinus with consistent size to kidney bean seedling leaves in a first true leaf flattening period, and counting the base number after the tetranychus cinnabarinus is stabilized; then, the mixture was uniformly sprayed in the order of low concentration to high concentration according to the experimental design, 1.5mL of each plant was treated 3 times, and a blank control was additionally provided. 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 values and the 95% confidence limits, the cotoxicity coefficient of each proportion is calculated by a Sun cloud Peel (Sun y-p) method, the mixed effect is evaluated, and the test results are shown in table 1.
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 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.
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.
TABLE 1 results of indoor combined toxicity determination of Tetranychus cinnabarinus by compounding ethacrylonitrile and dimpropylpyridaz
Example 2: metronidazole and dimipropyridaz mixed pairing peach aphid indoor combined toxicity determination test
Test targets: the green peach aphid (Myzus persicae (Sulzer)) is a sensitive strain which is bred indoors if the green peach aphid is aphid.
Preparing a liquid medicine: according to different test requirements, accurately weighing the test samples by using an electronic analytical balance, dissolving the original medicine by using acetone, and diluting the dissolved original medicine into a series of liquid medicines with a certain concentration gradient by using 0.1% of Tween 80 water according to the test design.
The test method comprises the following steps: and (3) determining the activity of the green aphids and the green aphids of the peach aphids by adopting a spraying method. Firstly, cabbage seedling leaves with tidy and consistent green peach aphids are selected, the insect loading capacity of each leaf is about 40, then the cabbage seedling leaves are uniformly sprayed in the sequence from low concentration to high concentration according to the experimental design, each leaf is 1.5mL, each treatment is repeated for 3 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. After 48 hours, the number of dead and live insects was investigated. 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 are calculated, the cotoxicity coefficient of each mixture ratio is calculated by a Sun cloud Peel (Sun y-p) method, and the mixed effect is evaluated (the same implementation is performed)Example 1), the test results are shown in table 2.
TABLE 2 results of indoor combined toxicity assay of Amycolatopyr and dimipropyridaz for Myzus persicae
Example 3: indoor joint toxicity determination test of tetrazoxynil and acytonapyr mixed on tetranychus cinnabarinus
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, dissolving the original medicine by using acetone, and diluting the dissolved original medicine into a series of liquid medicines with a certain concentration gradient by using 0.1% of Tween 80 water according to the test design.
The test method comprises the following steps: the activity of tetranychus cinnabarinus on tetranychus cinnabarinus is determined by a spraying method. Firstly, inoculating tetranychus cinnabarinus with consistent size to kidney bean seedling leaves in a first true leaf flattening period, and counting the base number after the tetranychus cinnabarinus is stabilized; then, the mixture was uniformly sprayed in the order of low concentration to high concentration according to the experimental design, 1.5mL of each plant was treated 3 times, and a blank control was additionally provided. 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 values and 95% confidence limits, the cotoxicity coefficient of each proportion is calculated by a Sun cloud Peel (Sun y-p) method, the mixing effect is evaluated (the same as the example 1), and the test results are shown in a table 3.
TABLE 3 indoor combined toxicity test results of YZOMANNITRILE AND ACYONapyr
Example 4: indoor joint toxicity determination test of tetrazotocid nitrile and isocycloseram mixed on tetranychus cinnabarinus
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, dissolving the original medicine by using acetone, and diluting the dissolved original medicine into a series of liquid medicines with a certain concentration gradient by using 0.1% of Tween 80 water according to the test design.
The test method comprises the following steps: the activity of tetranychus cinnabarinus on tetranychus cinnabarinus is determined by a spraying method. Firstly, inoculating tetranychus cinnabarinus with consistent size to kidney bean seedling leaves in a first true leaf flattening period, and counting the base number after the tetranychus cinnabarinus is stabilized; then, the mixture was uniformly sprayed in the order of low concentration to high concentration according to the experimental design, 1.5mL of each plant was treated 3 times, and a blank control was additionally provided. 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 values and 95% confidence limits, the cotoxicity coefficient of each proportion is calculated by a Sun cloud Peel (Sun y-p) method, the mixing effect is evaluated (the same as the example 1), and the test results are shown in a table 4.
TABLE 4 indoor combined toxicity test results of the mixture of ethacrylonitrile and isocycloseram on Tetranychus cinnabarinus
Example 5: indoor combined toxicity determination test of pyriminostrobin and isocycloseram mixed on corn borer
Test targets: 3 rd larva of Ostrinia furnacalis (Ostrinia furnacalis), 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, dissolving the original medicine by using acetone, and diluting the dissolved original medicine into a series of liquid medicines with a certain concentration gradient by using 0.1% of Tween 80 water according to the test design.
The test method comprises the following steps: the activity of the pesticide composition on the larvae of the corn borers is determined by a pharmacothraxis method. Firstly, selecting a standard clean 24-hole culture plate, adding 1mL of artificial feed into each hole, cooling and solidifying, adding 0.05mL of liquid medicine into each hole of the culture plate by using a continuous sampler, naturally drying in the shade, selecting neat and consistent test insects, inoculating into the culture plate, repeating the treatment for 3 times for 1 head of each hole, and additionally setting a blank control. 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 insects 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 values and 95% confidence limits, the co-toxicity coefficient of each ratio was calculated by Sun cloud Peel (Sun y-p) method, and the blending effect was evaluated (same as example 1), and the test results are shown in Table 5.
TABLE 5 results of indoor combined toxicity assay of Chlorobipyr B and Isocylseram
The results of the indoor bioactivity assay showed that metconazole and dimiprypyridaz were measured at a ratio of 1: 20 to 20: 1, the composition can greatly improve the activity to tetranychus cinnabarinus, and the content of the pyrazotocin and the dipropyridaz is 1: 10 to 10: 1, the activity to the green peach aphids can be greatly improved, and the content of the pyrazotoconazole and the acrynonapyr is 1: 50 to 50: 1, has better synergistic activity on tetranychus cinnabarinus, and in addition, the content of the chlorfenapyr and isocycloseram is 1: 10 to 10: 1, the activity to tetranychus cinnabarinus and corn borer can be greatly improved.
The above description of the embodiments is only intended to facilitate the understanding of the method of the invention and its core idea. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention. In conclusion, the composition has the advantages of obvious synergy, less environmental pollution, difficult generation of phytotoxicity, capability of delaying the generation of drug resistance of pests and wide application in the agricultural field.
Claims (9)
1. An insecticidal and acaricidal synergistic composition containing pyraclonil, which is characterized in that: the composition contains A, B two active components, wherein the active component A is selected from pyrazotoconazole; the active component B is selected from dimpropylidaz, acyclonapyr or isocycloseram; wherein the A, B weight part ratio of the two active components is 1: 50 to 50: 1.
2. the composition of claim 1, wherein: the component A is selected from the group consisting of ethacrylonitrile; component B is selected from dimipropyridaz; the A, B weight part ratio of the two active components is 1: 20 to 20: 1.
3. the composition of claim 2, wherein: the component A is selected from the group consisting of ethacrylonitrile; component B is selected from dimipropyridaz; the A, B weight part ratio of the two active components is 1: 10 to 10: 1.
4. the composition of claim 1, wherein: the component A is selected from the group consisting of ethacrylonitrile; the component B is selected from acytonapyr; the A, B weight part ratio of the two active components is 1: 50 to 50: 1.
5. the composition of claim 1, wherein: the component A is selected from the group consisting of ethacrylonitrile; component B is selected from isocycloseram; the A, B weight part ratio of the two active components is 1: 10 to 10: 1.
6. the composition according to any one of claims l to 5, characterized in that: the cumulative weight content of active ingredients in the composition is 0.5% -95%.
7. The composition according to any one of claims l to 5, characterized in that: the composition is prepared into missible oil, a suspending agent, a water dispersible granule, an aqueous emulsion, a microemulsion, a soluble liquid or a wettable powder.
8. Use of a composition according to claim i, characterized in that: the application of the composition in preparing insecticide and acaricide medicines.
9. Use of a composition according to claim 8, characterized in that: the insecticidal composition is used for preventing and controlling pests, mites or sanitary pests on fruit trees, vegetables, ornamental plants, tea, cotton and cereal crops.
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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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