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A kind of pesticide composition and preparation containing mesyconazole

A technology of mesycloconazole and pesticide composition, which is applied in the field of pesticides, can solve the problems of reduced drug efficacy, failure to achieve the control effect, and decreased control effect, so as to improve the control effect, reduce the cost of drug use, and delay drug resistance. Effect

Active Publication Date: 2016-08-24
GAUNGXI TIANYUAN BIOCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, in the process of agricultural production, some pests will spread certain pathogenic bacteria when they damage crops, and then cause various crop diseases. In recent years, the occurrence of various crop bacterial diseases has shown a trend of increasing year by year, and the occurrence area is increasing year by year. Great harm to agricultural production
Secondly, there is a lack of better pesticides on the market that can simultaneously control diseases and insect pests. Farmers usually mix more than two fungicides and insecticides at will, which not only fails to achieve synergistic effect, but may also produce antagonistic effect, which reduces the efficacy instead. , can not achieve the expected control effect
Even if a better new agent is developed, if it is used for a long time, the resistance of diseases and insect pests will be strengthened, resulting in a decline in the control effect

Method used

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  • A kind of pesticide composition and preparation containing mesyconazole
  • A kind of pesticide composition and preparation containing mesyconazole
  • A kind of pesticide composition and preparation containing mesyconazole

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach

[0062] 1.1 Preparation of water dispersible granules

[0063] Preparation process: Mix the first active ingredient and the second active ingredient, wetting agent, dispersant, white carbon black, binder, disintegrating agent and filler evenly, pulverize through a jet mill, stir for 30 minutes, and After kneading, put it into a fluidized bed granulation dryer for granulation and drying to obtain the water-dispersible granule of the pesticide formulation of the present invention.

[0064]

[0065] 1.2 Preparation of microemulsion

[0066] Preparation process: Add the first active ingredient and the second active ingredient into the solvent, stir evenly to obtain a transparent mixed solution; add surfactant to the above mixed solution, stir to dissolve it completely, then add the remaining water, Stir for 30 minutes to obtain a uniform and transparent microemulsion; add antifreeze to the above microemulsion, and stir evenly to obtain the microemulsion of the pesticide prepara...

Embodiment 2

[0112] Test method: refer to "Pesticide Bioassay Technology" (Edited by Chen Nianchun, published by Beijing Agricultural University Press) and "Pesticide Indoor Bioassay Test Guidelines NY / T1156.2-2006". In this test, the zone of inhibition method was used. On the aseptic operating table, pour the NA medium into the NA plate, and after drying, take 0.1ml of X. citri bacteria suspension and apply it evenly on the NA plate with a coating stick. After drying, punch a hole in the center of the plate with a hole puncher with a diameter of 7 mm, and then take 100 μl of the drug solution into the small hole. 5 replicates for each concentration. The treatment of adding sterile water to the small well was used as the blank control. After treatment, place them in an incubator at 28±0.5°C for sterile cultivation, and take them out after 2 days. The diameter of the inhibition zone (in millimeters) of each treatment was measured by the cross method, and the average value of the diameter...

Embodiment 3

[0177] Field Efficacy Example 3: Field Efficacy Test for Controlling Citrus Psyllid

[0178] Test method and investigation and calculation method: refer to the "Pesticide Field Efficacy Test Guidelines 1 (GB / T 17980.10-2000)", apply the pesticide for the first time at the early hatching stage of the first generation eggs (about 30% hatching rate), and a total of Spray 1 time, set up 6 plots, 5 fruit trees in each plot, and set up protection rows, repeat 4 times, a total of 24 plots. Investigate the population base of insects before spraying, and investigate once 5 days, 10 days, and 15 days after spraying. Investigate 2 plants in each plot, fix 5 short branches for each plant in five directions, randomly investigate the number of live insects on 10 leaves of each branch, and the number of live insects in each treatment should not be less than 200, take the average of the test results, and calculate the number of insects Reduction rate and anti-efficacy effect.

[0179] Table...

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PUM

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Abstract

The invention provides a methanesulfonylipconazole-containing pesticide composition and a preparation thereof. The methanesulfonylipconazole-containing pesticide composition comprises two active ingredients, wherein the first one is methanesulfonylipconazole, the chemical name of which is 2-(p-fluorophenyl)-5-methanesulfonyl-1,3,4-oxadiazole; the second active ingredient is selected from any one of clothianidin, thiamethoxam and pymetrozine. The weight ratio of the first and second active ingredients is (40:1)-(1:40). The pesticide composition is applicable to prevention and treatment of plant bacterial diseases and insect pests, and is superior to single dosage in the aspect of prevention and treatment effect, the usage dose of the pesticide can be decreased, the pesticide cost can be lowered, the pesticide resistance can be prolonged, and the environment protection and comprehensive treatment of agricultural diseases and insect pests can be facilitated.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a compounded pesticide composition of mesycloconazole and an insecticide and a preparation thereof. Background technique [0002] Clothianidin (clothianidin) is known, the chemical name is (E)-1-(2-chloro-1,3-thiazol-5-ylmethyl)-3-methyl-2-nitroguanidine, and the molecular formula is C 6 h 8 ClN 5 o 2 S. [0003] Thiamethoxam (clothianidin) known, the chemical name is 3-(2-chloro-1,3-thiazol-5-ylmethyl)-5-methyl-1,3,5-oxadiazine-4- Forked (nitro) amines, the molecular formula is C 8 h 10 ClN 5 o 3 S. Thiamethoxam not only has contact killing, stomach poisoning, and systemic activity, but also has higher activity, better safety, wider insecticidal spectrum, fast action speed, and long-lasting effect. [0004] Pymetrozine is known, CA registration number: 123312-89-0, chemical name is 4,5-dihydro-6-methyl-4-(3-pyridylmethyleneamino)-1,2 ,4-3(2H)-one, whose chemical f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N51/00A01N43/824C07D271/113A01P1/00A01P7/04A01N43/707
Inventor 许瑞韦邦帜刘妤玲李现玲张青张永生
Owner GAUNGXI TIANYUAN BIOCHEM