Sterilizing compound containing tetramycin and saisentong and application thereof

A composition, the technology of thiesin copper, applied in the direction of application, fungicide, biocide, etc., to achieve the effect of less resistance, good control effect, and less dosage

Inactive Publication Date: 2019-01-11
江西正邦作物保护股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In view of the above situation, the inventor has carried out in-depth exploration and research, and through a large number of compound screening experiments, a certain amount of tetramycin and thiesin copper compound combination has been screened, which is effective against rice blast, rice stripe leaf blight, and rice sheath blight. The disease medicine and the control of rice bacterial stripe disease have a better effect, but this discovery has not been reported in domestic and foreign literature

Method used

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  • Sterilizing compound containing tetramycin and saisentong and application thereof
  • Sterilizing compound containing tetramycin and saisentong and application thereof
  • Sterilizing compound containing tetramycin and saisentong and application thereof

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Experimental program
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Effect test

Embodiment 1

[0020] Embodiment 1: preparation prescription and preparation

[0021] Preparation 1 13% Tetramycin Thysencopper EC

[0022] Components include: Tetramycin 5%, Copper Thiessen 8%, Xylene 10%, Calcium Dodecyl Benzene Sulfonate 3%, Styryl Phenol Ethoxylate 3.5%, Alkylphenol Formaldehyde Resin Polyoxygen Vinyl ether 1.5%, aromatic solvent naphtha make up 100%.

[0023] The preparation process is as follows: weigh the materials according to the above ratio, thoroughly dissolve tetramycin and copper thiesin with xylene and aromatic hydrocarbon solvent oil, and mix with calcium dodecylbenzenesulfonate, styrylphenol polyoxyethylene ether, alkane The base phenol formaldehyde resin polyoxyethylene ether was fully mixed evenly to obtain 13% tetramycin thiasen copper emulsifiable concentrate.

[0024] Formulation 2 20% Tetramycin Thysencopper Microemulsion

[0025] Components include: tetramycin 5%, thiasen copper 15%, methanol 5%, xylene 10%, succinate 10%, aryl polyoxyalkyl ether 15...

Embodiment 2

[0045] Example 2 Indoor Toxicity Determination of Tetramycin and Thiosen Copper Compounding to Rice Sheath Blight

[0046] Determination method of indoor antibacterial effect: The growth rate method is used to determine the inhibitory effect of the fungicidal composition on the pathogen of rice sheath blight. Take 5mm-diameter mycelium blocks from the edge of wheat take-all colonies cultured on PDA medium for 4 days and inoculate them on PDA medium plates containing different concentrations of fungicides, culture at a constant temperature of 28°C, and use the plates without agents as blank As a control, measure the colony diameter of each treatment after 4 days, and calculate the inhibitory percentage of the medicament to mycelial growth. The logarithm of each treatment dose and the probability value of mycelial growth inhibition rate were used for regression analysis to calculate the inhibitory medium concentration (EC) of fungicides on rice sheath blight. 50 ), and then cal...

Embodiment 3

[0054] Example 3 Indoor Toxicity Determination of Tetramycin and Thiosen Copper Compound to Rice Stripe Blight

[0055] Determination method of indoor antibacterial effect: The growth rate method is used to determine the inhibitory effect of the fungicidal composition on rice stripe blight. The hyphae pieces with a diameter of 5 mm were inoculated from the edges of rice stripe blight colonies cultured on PDA medium for 4 days on PDA medium plates containing different concentrations of fungicides, and cultured at a constant temperature at 28°C. For the blank control, measure the colony diameter of each treatment after 4 days, and calculate the inhibitory percentage of the medicament to the growth of mycelia. Through the regression analysis of the logarithm of each treatment dose and the probability value of mycelial growth inhibition rate, the inhibitory intermediate concentration (EC) of the treatment fungicide to rice stripe blight was calculated. 50 ), and then calculate th...

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Abstract

The invention discloses a sterilizing compound containing tetramycin and saisentong. The sterilizing compound contains an effective dose of tetramycin and saisentong, wherein the weight of tetramycinand saisentong is 2%-8% of the total weight, and the balance is auxiliary ingredients. The sterilizing compound can be used for preventing and controlling rice blast, rice stripe disease, rice sheathblight disease and rice bacterial stripe disease; the sterilizing compound has an obvious synergistic effect, is capable of delaying drug resistance of pathogenic bacteria and has a long lasting period; the dosage times and amount are reduced; the use cost is lowered.

Description

technical field [0001] The invention relates to the field of agricultural disease prevention and control, in particular to a fungicidal composition containing tetramycin and thiesin copper and application thereof. Background technique [0002] Tetramycin (tetramycin) is a biological pesticide produced by Streptomycesa hygroscopicus subsp.Wuzhouensis n.subsp through submerged fermentation of strains. It induces crop resistance by inhibiting the growth of hyphae, and Promote the growth of crops, so as to achieve the purpose of prevention and control, suitable for the prevention and control of various fungal and bacterial diseases of various forest trees. [0003] Thysencopper is a thiazole organic copper fungicide, which is mainly registered to prevent and control rice bacterial blight, bacterial streak, cabbage soft rot and tomato bacterial wilt. It has high efficiency and broad spectrum, low toxicity, safety and environmental protection, and no pollution. Effective against ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/90A01N59/20A01P3/00A01P1/00
CPCA01N43/90A01N59/20
Inventor 李扬谢远芳代新红李思源周蕲程凡贵
Owner 江西正邦作物保护股份有限公司
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