CN113287625A - Synergistic insecticidal composition - Google Patents
Synergistic insecticidal composition Download PDFInfo
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- CN113287625A CN113287625A CN202110615598.5A CN202110615598A CN113287625A CN 113287625 A CN113287625 A CN 113287625A CN 202110615598 A CN202110615598 A CN 202110615598A CN 113287625 A CN113287625 A CN 113287625A
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- dinotefuran
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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
- A01N51/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds having the sequences of atoms O—N—S, X—O—S, N—N—S, O—N—N or O-halogen, regardless of the number of bonds each atom has and with no atom of these sequences forming part of a heterocyclic ring
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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
- 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)
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- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to a synergistic insecticidal composition, which belongs to the technical field of pesticides and mainly comprises dicofol and dinotefuran which are compounded according to a certain proportion and a certain amount of synergistic amine is added. The invention has better control effect on piercing-sucking and sucking pests and certain control effect on chewing pests, and solves the problems of poor quick-acting property, narrow insecticidal spectrum and high dinotefuran resistance of the dicyclopropyl.
Description
Technical Field
The invention relates to a synergistic insecticidal composition, and belongs to the technical field of pesticides.
Background
The dicyclopropyl imidacloprid can control piercing-sucking and sucking pests, has the advantages of low dosage and high nicotine resistance, is basically ineffective to chewing pests, and can be used for treating leaf surfaces, seeds or soil. After the pesticide is applied, the insects can stop feeding, but the knockdown effect is slow, the quick-acting property is poor, but the lasting period is long and can reach 30 days. The dicyclopropyl caterpillar ester also has the advantages of low toxicity to mammals, fish, birds, bees and other animals, safety to terrestrial plants and wide application.
Dinotefuran is a nicotine pesticide, has multiple effects of contact poisoning, stomach toxicity and the like, is effective on piercing-sucking pests and sucking pests, is basically ineffective on chewing pests, but has high resistance to various pests such as aphids and the like due to continuous use for a long time.
In order to solve the problems of poor quick-acting property, narrow insecticidal spectrum and high dinotefuran resistance of the diproprionate, the dinotefuran and the synergistic amine are compounded for use, so that the insecticidal effect is improved, and the insecticidal spectrum is expanded.
Disclosure of Invention
The invention aims to provide a synergistic insecticidal composition, which solves the problems of poor quick-acting property, narrow insecticidal spectrum and high dinotefuran resistance of the propiconazole.
In order to achieve the purpose, the invention adopts the technical scheme that:
a synergistic insecticidal composition comprises the effective components of propiconazole and dinotefuran.
The technical scheme of the invention is further improved as follows: the composition also includes a synergistic amine.
The technical scheme of the invention is further improved as follows: the content ratio of the propiconazole to the dinotefuran is 40: 0.1-0.1: 40.
The technical scheme of the invention is further improved as follows: the content ratio of the propiconazole to the dinotefuran is 3: 20.
The technical scheme of the invention is further improved as follows: the content of the synergistic amine is 0.5-5%.
The technical scheme of the invention is further improved as follows: the sum of the content of the propiconazole and the dinotefuran is not more than 70%.
The technical scheme of the invention is further improved as follows: the composition is used for controlling lepidoptera pests.
The technical scheme of the invention is further improved as follows: the composition is used for preventing and treating one or both of cabbage caterpillar and rice leaf roller.
Due to the adoption of the technical scheme, the invention has the following technical effects:
the composition mainly comprises the dicyclopropionate and the dinotefuran which are compounded according to a certain proportion, and a certain amount of synergistic amine is added, so that the composition has a good control effect on piercing-sucking and sucking pests, also has a certain control effect on chewing pests, and solves the problems of poor quick-acting property, narrow insecticidal spectrum and high dinotefuran resistance of the dicyclopronate.
Compared with a single agent or a single agent for compounding, the compound pesticide has obvious synergistic effect, not only increases the timeliness and the effective period of piercing-sucking pests and sucking pests, but also increases the pest resistance spectrum, and can obviously increase the control effect of plant pests caused by chewing pests such as cabbage caterpillars and the like.
Detailed Description
The present invention is further described in detail with reference to the following examples, which are intended to be illustrative only and not to be limiting of the invention, and any modifications, equivalents, improvements and the like within the spirit and principle of the present invention should be included in the scope of the present invention.
First, an embodiment
Example 11% Cyclodinotefuran 40% dinotefuran Water dispersible granules
The preparation method comprises the following steps of:
weighing the raw materials, uniformly mixing, carrying out jet milling, adding water, chelating, extruding, granulating, drying, screening, detecting and packaging.
Example 240% Cyclodinotefuran 1% dinotefuran emulsion
The preparation method comprises the following steps of:
mixing xylene and DMF, adding dicyclopropaneth and dinotefuran, dissolving, adding emulsifier No. 600 and 500 and synergistic amine, mixing, detecting, and packaging.
Example 320% Cyclodinotefuran 10% aqueous emulsion
The preparation method comprises the following steps of:
mixing 4233F, synergistic amine and cyclohexanone uniformly, adding dicyclopropyl tetramat and dinotefuran, stirring to dissolve, slowly pouring into the mixed solution of ethylene glycol and water, stirring continuously, and packaging after stabilization.
Example 43% Cyclodinotefuran 20% dinotefuran suspension
The preparation method comprises the following steps of:
weighing the above raw materials, mixing, shearing with a shearing machine, pouring into a horizontal sand mill, grinding to required particle size, detecting, and packaging.
Second, comparative example
Comparative example 13% Cyclosporin-Dipropidium ester suspension
The preparation method comprises the following steps of:
weighing the above raw materials, mixing, shearing with a shearing machine, pouring into a horizontal sand mill, grinding to required particle size, and packaging.
Comparative example 220% dinotefuran suspension
The components are as follows:
weighing the above raw materials, mixing, shearing with a shearing machine, pouring into a horizontal sand mill, grinding to required particle size, detecting, and packaging.
Comparative example 3
A suspension of 3% propiconazole-20% dinotefuran was prepared according to the method of example 1 of patent CN 201510969808.5.
Comparative example 43% Cyclodinotefuran suspending agent
The preparation method comprises the following steps of:
weighing the above raw materials, mixing, shearing with a shearing machine, pouring into a horizontal sand mill, grinding to required particle size, detecting, and packaging.
Comparative example 520% dinotefuran suspending agent
The preparation method comprises the following steps of:
weighing the above raw materials, mixing, shearing with a shearing machine, pouring into a horizontal sand mill, grinding to required particle size, detecting, and packaging.
Third, drug effect experiment
1. Drug effect experiment on myzus persicae
Control and effect comparison experiments are carried out on the myzus persicae by respectively adopting the example 4 and the comparative examples 1, 2, 3, 4 and 5.
The experimental method comprises the following steps: selecting a representative peach forest, wherein the peach forest is located in the deep county of Xinji City, the green peach aphids are serious, and the green peach aphids are continuously prevented and controlled by spraying dinotefuran for many years, the experimental time is 4 middle ten months, the peach trees just sprout, and the first generation of the green peach aphids is the emergence period. The day of application is sunny, and 24 hours after application is no wind and rain, peach trees with the same quantity of green peach aphids are selected, the peach trees are respectively sprayed on the peach aphids of the embodiment 4 and the comparative examples 1, 2, 3, 4 and 5, the dosage of the effective components (the dicyclopropyl tetramethrin and the dinotefuran) sprayed on each mu is the same, the peach trees are sprayed with clear water as a control, and the peach trees are randomly arranged and repeated for 3 times.
Data investigation: and (3) adopting a 5-point sampling method, counting the number of the live insects at the positions from the top of the branches to 2 leaves, recording the number of the live insects 1, 5, 15 and 30 days after the pesticide application, and calculating the control effect.
Insect control effect (%) - (control group live insect number-treatment group live insect number) ÷ control group live insect number × 100
The results of the experiment are as follows:
as can be seen from the table above, because of spraying dinotefuran for a long time, the green peach aphid has already produced resistance to dinotefuran, the total control effect is only about 50%, and the single spraying of the diproprionate has poor quick-acting performance and short duration, and the two insecticides are compounded with the synergistic amine and then applied, so that the quick-acting performance is obviously improved, the duration is obviously prolonged, and the control effect after 30 days can still reach nearly 90%; the drug effect of the synergistic amine is obviously better than that of the synergistic amine when the synergistic amine is added and used independently.
2. Efficacy test on Pear psylla
Comparative control experiments on the control of psylla chinensis were carried out using example 4 and comparative examples 1, 2, 3, 4, 5, respectively.
The experimental method comprises the following steps: selecting a representative pear forest, wherein the pear psylla is serious in a certain pear forest in Jinzhou city of Shijiazhuang all year round, and controlling the pear psylla continuously for many years by spraying special-effect medicines such as dinotefuran, abamectin and spirotetramat, wherein the experimental time is 4 months, and the first generation of the pear psylla occurs. On the day of application, the weather is clear, 24 hours after application, no wind and rain exist, pear trees with the quantity of psyllids being not much are selected, the pear trees are respectively sprayed on the pear trees in the example 4 and the comparative examples 1, 2, 3, 4 and 5, the amount of the effective components (the dicyclopropionate and the dinotefuran) sprayed on each mu is the same, the pear trees are sprayed with clear water to serve as a control, and the pear trees are randomly arranged and repeated for 3 times.
Data investigation: and (3) adopting a 5-point sampling method, counting the number of live insects from the top of the branch to the position of 2 leaves, recording the number of the live insects at the position of 1, 5, 15 and 30 days after the application of the pesticide, and calculating the control effect.
Insect control effect (%) - (control group live insect number-treatment group live insect number) ÷ treatment group live insect number × 100
The results of the experiment are as follows:
as can be seen from the above table, the control effect of dinotefuran on psylla chinensis is only about 50%, dicyclopropanate is sprayed independently, the quick-acting property is not rapid, the lasting period is not long, the two insecticides are applied after being compounded by adding synergistic amine, the quick-acting property is obviously improved, the lasting period is also effectively prolonged, and the pesticide effect of the three insecticides in compounding is obviously greater than that of the two insecticides in independent use and compounding use.
3. Drug effect experiment on peach scale insects
The scale insect is one of the main insect pests of peach trees, and because the scale insect is firm, the insecticide is difficult to permeate into the insect body, so that the effect of the insecticide on the scale insect is not obvious, and the control effect comparison experiments are respectively carried out on the scale insect by adopting the example 4 and the comparative examples 1, 2, 3, 4 and 5.
The experimental method comprises the following steps: selecting a representative peach forest, wherein the typical peach forest is located in a certain peach forest in Xinji city, the scale insects are serious all the year round, the experimental time is 4 ten days in the middle of the month, the peach trees just germinate, the scale insects are overwintering, and the first generation is active. The day of application is sunny, and 24 hours after application is free of wind and rain, peach trees with the same scale of the scale insects are selected, the peach trees are respectively sprayed on the peach trees in the embodiment 4 and the comparative examples 1, 2, 3, 4 and 5, the amount of the effective components (the dicyclopropionate and the dinotefuran) sprayed on each mu is the same, the effective components are sprayed on each mu by using clear water as a control, and the effective components are randomly arranged and repeated for 3 times.
Data investigation: and (3) adopting a 5-point sampling method, selecting branches with the same thickness and the same length, counting the number of live insects on the branches, recording the number of live insects on the 1 st, 5 th, 15 th and 30 th days after pesticide application, and calculating the control effect.
Insect control effect (%) (control group live insect number-treatment group live insect number) ÷ control group live insect number × 100
The results of the experiment are as follows:
as can be seen from the above table, due to the systemic and osmotic properties of dinotefuran, dinotefuran has relatively obvious effect on controlling coccid, the control effect is slightly higher than that of the diproprionate, and the single spraying of the diproprionate has poor quick-acting property and short lasting period; the two insecticides are compounded and added with synergistic amine for application, so that the quick action is obviously improved, the lasting period is also obviously prolonged, and the effect is obviously greater than that of the two insecticides when used alone or compounded.
4. Drug effect experiment on cabbage caterpillar
Cabbage caterpillars are chewing lepidoptera pests, are common on vegetables, and have serious yield reduction after the emergence of the cabbage caterpillars. The method is characterized in that a farmland near Shijiazhuang is selected to carry out a control effect experiment of cabbage caterpillars on lettuce in the field, the lettuce grows in spring and summer, insect pests are more at the moment, and particularly the quality of the lettuce is seriously affected after the cabbage caterpillars occur.
The experimental method comprises the following steps: selecting lettuce fields with the same growth vigor, respectively adopting examples 1, 2, 3 and 4 and comparative examples 1, 2, 3, 4 and 5 to carry out spray application, wherein the dosage of effective components (the dicyclopropyl tetramethrin and the dinotefuran) sprayed per mu is the same, clear water is sprayed to serve as a control, the experimental area of each lettuce field is 5m multiplied by 5m, the weather of the lettuce field is clear on the day, no wind or rain exists 24 hours after the lettuce field is applied, and the lettuce fields are randomly arranged and repeated for 3 times.
Data investigation: and (3) randomly selecting 5 lettuce by adopting a 5-point sampling method, counting the number of the live cabbage worms in the lettuce, recording the number of the live worms in 1 st, 5 th and 15 th days after the pesticide application, and calculating the control effect.
Insect control effect (%) (control group live insect number-after-application live insect number) ÷ control group live insect number × 100
The results of the experiment are as follows:
as seen from the table above, the dinotefuran and the diproprionate have no control effect on cabbage caterpillar when being used independently and in a compounding way, and have better control effect when being used in a compounding way and added with the synergistic amine.
5. Control effect experiment for rice leaf roller
The embodiment and the comparative example of the invention are respectively used for carrying out the control effect experiment of the field control of the rice leaf roller.
The experimental method comprises the following steps: selecting a representative paddy field with consistent insect pests in Hepu county of southern Guangxi province for spraying, wherein the insect age is from the initial incubation period of rice leaf rollers to the insect age of 2 years, the weather on the day of pesticide application is clear, 24 hours after the test is free of wind and rain, dividing the paddy field of 100 multiplied by 50 meters into equal parts, a certain interval is reserved between each group of experiments, any group is taken as a control group, clear water is used for uniformly spraying, the other groups are respectively uniformly sprayed by using the embodiment and the comparative example, and the using amount of the effective components (dicyclaniliprole and dinotefuran) sprayed per mu is the same.
Data investigation: and (5) investigating the population of the insects at 1d, 5d, 15d and 30d after the application, selecting 5 points in each cell, taking 100 plants at each point, recording the number of the live insects and the age of the insects, and calculating the control effect.
Insect control effect (%) - (control group insect number-treatment area insect number) ÷ control group insect number × 100
The results of the experiment are as follows:
as can be seen from the above table, when the dinotefuran and the amitraz are used alone or in a compound way, the dinotefuran and the amitraz have almost no control effect on the cnaphalocrocis medinalis guenee and cannot effectively control the cnaphalocrocis medinalis guenee, and when the dinotefuran and the amitraz are compounded and added, the control effect is better, and can reach nearly 90% at most, and the control effect is strong.
Claims (8)
1. A synergistic insecticidal composition characterized by: the effective components of the composition comprise dicyclopropyl tetramat and dinotefuran.
2. A synergistic insecticidal composition as claimed in claim 1, wherein: the composition also includes a synergistic amine.
3. A synergistic insecticidal composition as claimed in claim 1, wherein: the content ratio of the propiconazole to the dinotefuran is 40: 0.1-0.1: 40.
4. A synergistic insecticidal composition as claimed in claim 1, wherein: the content ratio of the propiconazole to the dinotefuran is 3: 20.
5. A synergistic insecticidal composition as claimed in claim 2, wherein: the content of the synergistic amine is 0.5-5%.
6. A synergistic insecticidal composition according to any one of claims 1 to 5, characterized in that: the sum of the content of the propiconazole and the dinotefuran is not more than 70%.
7. The synergistic insecticidal composition as claimed in claim 6, wherein: the composition is used for controlling lepidoptera pests.
8. The synergistic insecticidal composition as claimed in claim 6, wherein: the composition is used for preventing and treating one or both of cabbage caterpillar and rice leaf roller.
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| CN202110615598.5A CN113287625A (en) | 2021-06-02 | 2021-06-02 | Synergistic insecticidal composition |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101626687A (en) * | 2007-03-08 | 2010-01-13 | 明治制果株式会社 | Pest control composition |
| WO2016038067A1 (en) * | 2014-09-10 | 2016-03-17 | Basf Se | Use of afidopyropene in genetically modified plants |
| CN105432653A (en) * | 2015-12-18 | 2016-03-30 | 广东中迅农科股份有限公司 | Insecticidal composition |
| CN107920506A (en) * | 2015-08-13 | 2018-04-17 | 巴斯夫欧洲公司 | Non-aqueous agricultural-chemical suspension liquid comprising water-soluble solvent, inorganic thickening agent and alcoxylates |
| CN112753710A (en) * | 2019-11-04 | 2021-05-07 | 青岛奥迪斯生物科技有限公司 | Insecticidal composition containing propiconate and dinotefuran |
-
2021
- 2021-06-02 CN CN202110615598.5A patent/CN113287625A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101626687A (en) * | 2007-03-08 | 2010-01-13 | 明治制果株式会社 | Pest control composition |
| WO2016038067A1 (en) * | 2014-09-10 | 2016-03-17 | Basf Se | Use of afidopyropene in genetically modified plants |
| CN107920506A (en) * | 2015-08-13 | 2018-04-17 | 巴斯夫欧洲公司 | Non-aqueous agricultural-chemical suspension liquid comprising water-soluble solvent, inorganic thickening agent and alcoxylates |
| CN105432653A (en) * | 2015-12-18 | 2016-03-30 | 广东中迅农科股份有限公司 | Insecticidal composition |
| CN112753710A (en) * | 2019-11-04 | 2021-05-07 | 青岛奥迪斯生物科技有限公司 | Insecticidal composition containing propiconate and dinotefuran |
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Application publication date: 20210824 |
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