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Microemulsion containing ethylicin and hymexazol

A technology of microemulsion and hymexazol, which is applied in the direction of biocide, bactericide, biocide, etc., can solve the problem of no microemulsion, etc., and achieve the effect of improving disease prevention effect, high effect and stable quality

Pending Publication Date: 2019-07-09
HAINAN ZHENGYE ZHONGNONG HIGH TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the special characteristics of hymexazol and acetoallin, there is no microemulsion with high content composition in the market

Method used

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  • Microemulsion containing ethylicin and hymexazol
  • Microemulsion containing ethylicin and hymexazol
  • Microemulsion containing ethylicin and hymexazol

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] The selection of the optimum proportioning ratio of embodiment 1 ethyl allicin and hymexazol

[0016] After dissolving hymexazol and allicin in appropriate solvents, appropriate emulsifiers were added to prepare mother liquors with different proportions. Each proportion was treated with 5 doses according to the content of active ingredients, and water was used as a control. Referring to the "Fungicides in Indoor Bioassay Test Guidelines for Pesticides", the mycelium growth rate method was used to determine the effect of single agent and compound agent on the mycelium growth of Bakanae pathogen in rice, that is, the bakanae pathogen sheets obtained by punching holes along the edge of the colony were pasted. After 72 hours, use the cross method to measure the colony diameter, calculate the net growth and mycelial growth inhibition rate of each treatment, and use the computer program to obtain the effective middle concentration EC of each test agent. 50 , according to Sun ...

Embodiment 2

[0028] The selection of solvent in the microemulsion of embodiment 2

[0029] The composition of 8 parts of 30g aceto-allicin and hymexazol (according to effective content, aceto-allicin 20g, hymexazol 10g) is added dropwise appropriate amount of different solvents respectively, adds No. 1601 of 14g thick emulsion respectively, will add solvent The mixture with the emulsifier was stirred in a stirrer, and the water was added to 100g to obtain 30% acetoicin·hymexazol microemulsion, and the 8 preparations were respectively numbered as preparation 1-preparation 8. Dilute formulation 1-formulation 8 with 342 mg / L standard hard water, observe the stability of the emulsion at room temperature, and evaluate the formulation as stable if the formulation maintains a transparent state and has no oil suspension or solid precipitation. Low-temperature stability test method: take the sample and seal it, place it in 2-3°C for 24 hours, take it out, place it at room temperature, and observe t...

Embodiment 3

[0034] Embodiment 3 The selection of emulsifier

[0035] 8 parts of 30g of acetocilin and hymexazol composition (according to the effective content, acetocilin 20g, hymexazol 10g) were added dropwise with 14g of ethanol and isopropanol mixture (1:1), choose different 14g of the emulsifier, the above-mentioned mixture was stirred in a stirrer, and the water was replenished to 100g to obtain a 30% acetoicin·hymexazol microemulsion, and the 8 preparations were respectively numbered as preparation a-preparation i. Use the aforementioned method to measure and evaluate the stability at room temperature and low temperature, and use the following method to measure the thermal storage stability. The results are shown in Table 2. Thermal storage stability test method: Take samples and store them at 52°C for 14 days, observe the thermal storage stability of the preparation, and evaluate as stable if the appearance remains homogeneous and transparent or if there is layering and vibration...

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Abstract

The invention belongs to the field of pesticides, and relates to a microemulsion containing ethylicin and hymexazol. The microemulsion contains an organic solvent and a surfactant besides ethylicin and hymexazol, wherein the mass part ratio of ethylicin to hymexazol is 1:5 to 5:1, the total mass of ethylicin and hymexazol accounts for 1-70% of the total mass of the microemulsion, the amount of theorganic solvent is 1-80%, the amount of the nonionic surfactant is 1-30%, the organic solvent is selected from one or more of ethanol and isopropanol, the surfactant is selected from a mixed solutionof No.1602, and No.601 or No.602 or No.1601 in pesticide emulsifiers, or a mixed solution of No.700, and No.601 or No.602 or No.1601 in the pesticide emulsifiers. The microemulsion is used for seed dressing, soil mixing, spraying and root irrigation, and is used for preventing and treating bakanae disease, damping off, rotten seedling disease, blast, ring spot and rice blast of plants.

Description

technical field [0001] The invention belongs to the field of plant protection, and specifically relates to a synergistic, specially processed microemulsion containing acetoallin and hymexazol. The composition is mainly used for preventing and treating bakanae disease of various plants such as vegetables, fruit trees, and grain and cotton. , blight, rot, fusarium wilt, ring spot, rice blast, etc. Background technique [0002] Ethylicin (ethylicin), molecular formula C 4 h 10 o 2 S 2 , the chemical name is ethyl thiosulfonate ethyl ester, which is a high-efficiency and pollution-free broad-spectrum biomimetic fungicide with a wide bactericidal spectrum and low toxicity. , is the preferred raw material for compound fungicides and pesticides. [0003] Hymexazol, the chemical name is: 3-hydroxy-5-methylisoxazole, belongs to oxazole fungicides, this agent belongs to broad-spectrum fungicides, and has relatively good effect on plant diseases caused by various pathogenic fungi....

Claims

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Application Information

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IPC IPC(8): A01N43/80A01N41/08A01N25/04A01P3/00
CPCA01N43/80A01N41/08A01N25/04
Inventor 李廷碧侯华民王少龙杨瑞教杨世陆王大辉
Owner HAINAN ZHENGYE ZHONGNONG HIGH TECH
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