CN113508817A - Insecticidal composition of pyridine quinazoline and diazinon - Google Patents
Insecticidal composition of pyridine quinazoline and diazinon Download PDFInfo
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- CN113508817A CN113508817A CN202110830675.9A CN202110830675A CN113508817A CN 113508817 A CN113508817 A CN 113508817A CN 202110830675 A CN202110830675 A CN 202110830675A CN 113508817 A CN113508817 A CN 113508817A
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- Prior art keywords
- diazinon
- pyridine quinazoline
- composition
- quinazoline
- insecticidal
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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
- A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/10—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds
- A01N57/16—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds containing heterocyclic radicals
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to the field of cotton pest control and application thereof, and provides a pyridine quinazoline and diazinon insecticidal composition which comprises effective components A and B, wherein A is pyridine quinazoline, B is one of diazinon, phoxim, chlorpyrifos, trichlorfon and fosthiazate, and the part ratio of A to B is 0.1-50: 50-1. The composition has the advantages that the pyridine quinazoline and the diazinon are compounded, the synergistic effect is obvious in a certain proportion range, the insecticidal effect of the composition is obviously improved compared with that of each single agent, the insecticidal efficiency and the pesticide application stability are effectively guaranteed, the pesticide effect time is long, the composition has an excellent control effect on pests in agriculture in the actual use process, the excellent long-term control effect is realized, meanwhile, the pests can be effectively prevented from generating obvious pesticide resistance, the composition can be used for a long time, the use amount of pesticides is reduced, the pollution to the environment is effectively reduced, and the composition has high social use value and application prospect.
Description
Technical Field
The invention relates to the field of cotton pest control and application thereof, in particular to a pesticidal composition of pyridine quinazoline and diazinon.
Background
The pyridine quinazoline belongs to a novel quinazoline pesticide, has an action mechanism of preventing or interfering feeding and crawling activity of pests until the pests slowly starve to death, is mainly used for preventing and treating sucking mouthpart pests such as aphids, whiteflies, scale insects, leafhoppers and thrips on crops such as vegetables, fruit trees, tea leaves and the like, and can obviously reduce the spread of viral vectors. The compound can completely penetrate through the leaf surface, and can also achieve the purpose of effectively preventing and controlling pests which prey and inhabit below the leaf surface.
Diazinon, also known as diazinon, is a colorless oily liquid in pure form. The pesticide is insoluble in water, is miscible with ethanol, acetone and xylene, is soluble in petroleum ether, is an organic phosphorus pesticide, is used for preventing and treating apple silverfish, has the same effect as parathion, is more effective for preventing and treating grubs or wireworms than parathion, can be used as a common contact insecticide, can be injected into cattle bodies, can kill the larvae of the cattle flies, has low toxicity to livestock, and can be processed into wettable powder, emulsion and powder for use.
With the development of agricultural science and technology and the abuse of various pesticides, large dose of irregular use enables pests to easily generate drug resistance, so as to lead to the vicious circle of the pesticide use dose to be continuously increased, on one hand, the food safety is influenced, the development of green diet is not facilitated, on the other hand, the environment is greatly influenced, the ecological environment is damaged, in order to reduce the use dose of the pesticide and ensure the control effect on the pests, the inventor conducts deep research on screening of the compound formula of the pyridine quinazoline and the diazinon, surprisingly discovers that the pyridine quinazoline and the diazinon are compounded, has obvious synergistic effect in a certain proportion range, has excellent control effect on the pests in agriculture in the actual use process, has excellent long-term control effect, can effectively avoid the pests from generating obvious drug resistance, and can be used for a long term, the use amount of pesticide is reduced, the pollution to the environment is effectively reduced, and the invention is completed through further research.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art, provides an insecticidal composition of pyridine quinazoline and diazinon, and aims to solve the problems that the pesticide consumption of trialeurodes vaporariorum and plant bug on crops such as eggplant and cotton is large, the pesticide resistance is easy to generate, and the control effect is poor.
In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:
the composition comprises effective components A and B, wherein A is pyridine quinazoline, B is one of diazinon, phoxim, chlorpyrifos, trichlorfon and fosthiazate, and the part ratio of A to B is 0.1-50: 50-1.
Preferably, the part ratio of A to B is 0.1-40: 15-1.
Preferably, the part ratio of A to B is 1-20: 5-1.
Preferably, the total weight of the A and the B accounts for 1-70% of the total weight of the whole preparation, the auxiliary agent accounts for 5-30% of the total weight of the insecticidal composition, and the balance is filler.
Preferably, B is diazinon.
Preferably, the formulation of the insecticidal composition is granules and wettable powder, and the other components except the effective components in the formulation are pesticide auxiliary agents and formulation preparation supplementary components.
More preferably, the formulation of the deinsectization composition is granules.
Preferably, the insecticidal composition containing pyridine quinazoline and diazinon is applied to control of pests of crops, wherein the crops are eggplants, cucumbers, tomatoes and cotton, and the pests are aphids, whiteflies, red spiders, leafhoppers, stinkbugs and psyllids.
Has the advantages that: the insecticidal composition of pyridine quinazoline and diazinon is different from other insecticide combinations, shows obvious synergistic effect through combined action in a certain proportioning range, has obviously improved insecticidal effect compared with each single agent, effectively ensures the insecticidal efficiency and application stability, has long pesticide effect time, can effectively realize the prevention of pests such as whitefly, lygus bugs and the like and the deinsectization after insect pest, quickly kills the pests, can ensure the long-time control effect, simultaneously reduces the using dose of pesticides, reduces the cost, is not easy to generate drug resistance, also ensures the control effect of the pests generating drug resistance on partial existing pesticides, and effectively ensures the stability in the using process.
Detailed Description
For a better understanding of the nature of the present invention, its contents are further described below in conjunction with the following examples, which are not to be considered as limiting, and the following is only illustrative of the present invention, and modifications, substitutions, or improvements made without departing from the spirit and principles of the present invention are intended to be within the scope of the claims, which percentages are by weight unless otherwise specified.
Comparative example 1: 5% fipronil suspending agent.
Comparative example 2: and (3) 40% chlorpyrifos emulsifiable concentrate.
Comparative example 3: clear water control group.
Example 1: pyridine quinazoline and diazinon granules with the part ratio of 40: 15.
The insecticidal composition containing pyridine quinazoline and diazinon comprises 40g of pyridine quinazoline, 15g of diazinon, polyethylene glycol 6002g and montmorillonite, wherein the balance is up to 100 g.
Example 2: pyridine quinazoline and diazinon granules with the part ratio of 25: 10.
The insecticidal composition containing pyridine quinazoline and diazinon comprises 25g of pyridine quinazoline, 10g of diazinon, polyethylene glycol 6002g and montmorillonite, wherein the balance is up to 100 g.
Example 3: pyridine quinazoline and diazinon granules with the part ratio of 15: 5.
The insecticidal composition containing pyridine quinazoline and diazinon comprises 15g of pyridine quinazoline, 5g of diazinon, polyethylene glycol 6002g and montmorillonite, wherein the balance is up to 100 g.
According to the formula of the embodiment 1 to the embodiment 3, the pyridine quinazoline, the diazinon, the polyethylene glycol 600 and the montmorillonite are added into a stirring device to be uniformly stirred, and then a pair-roller extrusion granulator is used to obtain the granules.
Example 4: pyridine quinazoline and diazinon granules with the part ratio of 10: 1.
The insecticidal composition containing pyridine quinazoline and diazinon comprises 10g of pyridine quinazoline, 1g of diazinon, polyethylene glycol 6002g and kaolin to make up to 100 g.
Example 5: pyridine quinazoline and diazinon granules with the part ratio of 1: 10.
The insecticidal composition containing pyridine quinazoline and diazinon comprises 1g of pyridine quinazoline, 10g of diazinon, polyethylene glycol 6002g and kaolin to make up to 100 g.
Example 6: pyridine quinazoline and diazinon granules with the part ratio of 5: 15.
The insecticidal composition containing pyridine quinazoline and diazinon comprises 5g of pyridine quinazoline, 15g of diazinon, polyethylene glycol 6002g and kaolin to make up to 100 g.
According to the formula of the embodiment 4 to the embodiment 6, the pyridine quinazoline, the diazinon, the polyethylene glycol 600 and the kaolin are added into a stirring device to be uniformly stirred, and then a pair-roller extrusion granulator is used to obtain the granules.
In order to further understand the combined action of the compound of the pyridine quinazoline and the diazinon on the Cedrela sinensis, the inventor conducts a formula screening test on the compound of the pyridine quinazoline and the diazinon.
Test materials: cotton, blind stinkbug, collecting ova in field, and storing.
Reagent to be tested: 5% fipronil suspending agent;
and (3) 40% chlorpyrifos emulsifiable concentrate.
The application dose is as follows: 10g/667m2。
The test method comprises the following steps: in the field experiment, a broadcast application method is adopted to apply pesticide to the cotton in the peak emergence period of the stinkbug plants, 5% fipronil suspending agent and 40% chlorpyrifos emulsifiable solution are used as control agents, 6 agent treatments are set in the experiment, each treatment is repeated for 3 times, the broadcast application frequency of each group of test agents is one, and 1 mu of pesticide is broadcast to the cotton infected with the stinkbug plants in each group of test agents. Investigating the population reduction rate at one time at 3d, 7d and 14d after application, recording the number of residual insects, and calculating the prevention and treatment effect.
The evaluation method comprises the following steps: investigating the prevention and treatment effect.
Control effect (%) [ ((number of worm mouths (control zone) -number of worm mouths (application zone))/number of worm mouths (control zone) ] × 100.
Experimental results and analysis:
table 1 pesticidal test of pyridinizoline and diazinon combination agents on stink bug:
as can be seen from the experimental results in table 1, the control effect of the pyridine quinazoline and diazinon combination agent applied to the blind stink bugs in examples 1 to 4 is obviously better than that of the 2-group pair proportion at 3d after application and 7d after application, the control effect of the pyridine quinazoline and diazinon combination agent applied to the blind stink bugs in examples 1 to 6 is obviously better than that of the 2-group pair proportion at 14d after application, and the control effect of the pyridine quinazoline and diazinon combination agent applied to the blind stink bugs in examples 1 to 6 is equivalent to that of the 2-group pair proportion at 2 d after application, and it can be seen from the data analysis in table 1 that the pyridine quinazoline and diazinon combination agent applied to the blind stink bugs has not only excellent control effect but also good application stability and ensures long-term control effect. And the best compound formula is the combined medicament with the part ratio of the pyridine quinazoline to the diazinon being 10:1 from the aspects of cost and control effect.
Experiments for field control of trialeurodes vaporariorum on compound medicament of pyridine quinazoline and diazinon
Reagent to be tested: 5% fipronil suspending agent;
and (3) 40% chlorpyrifos emulsifiable concentrate.
The application dose is as follows: 8g/667m2。
The test method comprises the following steps: the pesticide is applied when the number of the eggplant whiteflies exceeds 100 heads per plant in the field, and if the number of the eggplant whiteflies is less than 100 heads per plant, the pests need to be artificially inoculated. Before pesticide application, selecting 5 eggplant whitefly with population number more than 100 per plant in each cell for listing fixed-point investigation, investigating insect population base number of the eggplant whitefly and live insect population number of the eggplant whitefly for 3, 7 and 14 days after pesticide application, and calculating insect population decline rate
In the field experiment, a spreading method is adopted to apply pesticide to the trialeurodes vaporariorum in the peak period of the trialeurodes vaporariorum on the eggplants, 5% fipronil suspending agent and 40% chlorpyrifos emulsifiable solution are adopted as control medicaments, 6 medicament treatments are set in the experiment, each treatment is repeated for 3 times, the spreading frequency of each group of test medicament is one, and each group of test pesticide is spread to 1 mu of eggplants infected with the trialeurodes vaporariorum. Investigating the population reduction rate at 1d, 3d and 5d after application, recording the number of residual insects, and calculating the prevention and treatment effect.
The evaluation method comprises the following steps: investigating the prevention and treatment effect.
The oral cavity decline rate is [ number of oral cavity (before application) -number of oral cavity (after application) ]/number of oral cavity (before application) × 100%
Control effect (%) [ ((number of worm mouths (control zone) -number of worm mouths (application zone))/number of worm mouths (control zone) ] × 100.
Experimental results and analysis:
table 2 pesticidal test of pyridinizoline and diazinon combination agents against trialeurodes vaporariorum:
the experimental results in table 2 show that the pyridylquinazoline and diazinon combination drug has better control effect than two single drugs, namely fipronil and chlorpyrifos, and the control effect is equivalent to that at 1d and 3d, but the pyridylquinazoline and diazinon combination drug has better control effect at 5d, and the data analysis in table 2 shows that the pyridylquinazoline and diazinon combination drug has excellent control effect on trialeurodes vaporariorum. And the best compound formula is the combined medicament with the part ratio of the pyridine quinazoline to the diazinon being 10:1 from the aspects of cost and control effect.
In conclusion, the insecticidal combination medicament of the pyridine quinazoline and the diazinon has good control effects on plant bug and trialeurodes vaporariorum, and has excellent continuous control effects relative to single application and medicaments such as fipronil, chlorpyrifos and the like, and according to experimental results, the combination medicament with the part ratio of the pyridine quinazoline to the diazinon being 10:1 is the optimal insecticidal composition in the aspects of control effects, production cost, application stability and the like.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (10)
1. An insecticidal composition of pyridine quinazoline and diazinon, which is characterized in that: the composition comprises effective components A and B, wherein A is pyridine quinazoline, B is one of diazinon, phoxim, chlorpyrifos, trichlorfon and fosthiazate, and the part ratio of A to B is 0.1-50: 50-1.
2. The pesticidal composition of pyridine quinazoline and diazinon of claim 1, wherein: the part ratio of A to B is 0.1-40: 15-1.
3. The pesticidal composition of pyridine quinazoline and diazinon of claim 1, wherein: the part ratio of A to B is 1-20: 5-1.
4. The pesticidal composition of pyridine quinazoline and diazinon of claim 1, wherein: the total weight of the A and the B accounts for 1 to 70 percent of the total weight of the whole preparation, the auxiliary agent accounts for 5 to 30 percent of the total weight of the insecticidal composition, and the balance is filler.
5. The pesticidal composition of pyridine quinazoline and diazinon of claim 1, wherein: and B is diazinon.
6. The pesticidal composition of pyridine quinazoline and diazinon of claim 1, wherein: the formulation of the insecticidal composition is granules and wettable powder, and the rest components except the active ingredients in the formulation are pesticide auxiliary agents.
7. The pesticidal composition of pyridine quinazoline and diazinon of claim 6, wherein: the dosage form of the insecticidal composition is granules.
8. The use of a pesticidal composition of a pyridine quinazoline and diazinon as claimed in claim 1 for controlling crop pests.
9. The use of a pesticidal composition comprising a pyridine quinazoline and a diazinon according to claim 6 for controlling crop pests, wherein: the crops are eggplant, cucumber, tomato and cotton.
10. The use of a pesticidal composition comprising a pyridine quinazoline and a diazinon according to claim 6 for controlling crop pests, wherein: the pests are aphids, whiteflies, red spiders, leafhoppers, stink bugs and psyllids.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110830675.9A CN113508817A (en) | 2021-07-22 | 2021-07-22 | Insecticidal composition of pyridine quinazoline and diazinon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110830675.9A CN113508817A (en) | 2021-07-22 | 2021-07-22 | Insecticidal composition of pyridine quinazoline and diazinon |
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| CN113508817A true CN113508817A (en) | 2021-10-19 |
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| CN202110830675.9A Withdrawn CN113508817A (en) | 2021-07-22 | 2021-07-22 | Insecticidal composition of pyridine quinazoline and diazinon |
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- 2021-07-22 CN CN202110830675.9A patent/CN113508817A/en not_active Withdrawn
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