Bactericidal composition containing bronopol and application thereof

A composition, bronopol technology, applied in the field of bronopol-containing fungicidal compositions, can solve the problems of large-scale resistance to field drug efficacy reduction, and achieve the effects of comprehensive management, residue reduction, and usage reduction

Pending Publication Date: 2022-07-22
青岛海利尔生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to widespread and high-frequency use, resistant strains have appeared in the field, resulting in the emergence of large-scale resistance and reduced efficacy in the field
Due to the single site of action, FRAC classifies SDHI fungicides as medium to high resistance risk agents. With the extensive development and frequent use of such products, problems such as resistance development and reduced efficacy are inevitable

Method used

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  • Bactericidal composition containing bronopol and application thereof
  • Bactericidal composition containing bronopol and application thereof
  • Bactericidal composition containing bronopol and application thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0057] Preparation Example 1: 30% Bronopol·Fflufenacil Seed Treatment Suspension (1:1)

[0058] By weight percentage, 15% bronopol, 15% flufenazol, 4% alkylphenol polyoxyethylene ether, 5% alkylphenol polyoxyethylene ether phosphate, 3% sodium lignosulfonate, 2% % polyacrylic acid, 0.2% xanthan gum, 6% rose red pigment, 5% ethylene glycol, 1% magnesium aluminum silicate, 0.5% silicone defoamer, 1% sodium benzoate, and deionized water to make up the balance.

[0059] Preparation method: according to the proportion, the active ingredients, additives and water are mixed and stirred evenly by high shear shearing, and then sanded by a sander for 2.5 hours, so that the average particle size reaches 1-5 microns, and finally thickeners, anti-corrosion agents are added. The film-forming agent is continuously sheared and stirred evenly to obtain the seed treatment suspension agent.

preparation example 2

[0060] Preparation example 2: 24% bronopol·flufenacil seed treatment suspension agent (1:3)

[0061] By weight percentage, 6% bronopol, 18% flufenazol, 4% tristyryl phenol polyoxyethylene ether polyoxypropylene ether, 3% styryl phenol polyoxyethylene ether phosphate, 2% Sodium polycarboxylate, 1% polyacrylic acid, 0.2% xanthan gum, 1% magnesium aluminum silicate, 5% glycerol, 5% rose red pigment, 1% methylparaben, 0.5% silicone Foaming agent and deionized water make up the balance.

[0062] Preparation method: the same as Preparation Example 1.

preparation example 3

[0063] Preparation Example 3: 30% Bronopol·Fflufenacil Seed Treatment Suspension Agent (5:1)

[0064] By weight percentage, 25% bronopol, 5% flufenazol, 4% fatty alcohol polyoxyethylene ether, 5% glycerol fatty acid ester polyoxyethylene ether phosphate, 2% polycarboxylate sodium salt, 0.2% Xanthan gum, 5% rose red pigment, 2% sodium carboxymethyl starch, 5% propylene glycol, 0.5% silicone defoamer, 2% sodium sorbate, and deionized water make up the balance.

[0065] Preparation method: the same as Preparation Example 1.

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Abstract

The invention belongs to the technical field of pesticides, and discloses a bronopol-containing bactericidal composition and application thereof.The bactericidal composition comprises an active ingredient A and an active ingredient B. The active ingredient A is bronopol, and the active ingredient B is selected from any one of pydiflumetofen, isopyrazam or penflufen. The mass ratio of the active component A to the active component B is (1: 35)-(35: 1). The bactericidal composition disclosed by the invention has relatively high activity on diseases of various crops, is remarkable in synergistic effect, is superior to a single agent in fast-acting property and persistent effect, reduces the dosage of agents in agricultural production, reduces pesticide residues of agricultural products, delays the generation of drug resistance of pathogenic bacteria, and is beneficial to comprehensive treatment of agricultural diseases.

Description

technical field [0001] The invention relates to the technical field of pesticide bactericidal compositions and their application, in particular to a bronpol-containing bactericidal composition and uses thereof. Background technique [0002] Bronopol, chemical name: 2-bromo-2-nitro-1,3-propanediol, also known as Bronopol, Bronopol, etc. Bronopol is a bromonitroalcohol broad-spectrum fungicide. Bronopol has good control effect on plant fungal and bacterial diseases, especially rice bakanae disease, and has certain control effect on cotton horn spot and wheat scab. [0003] Fluconazole, ISO common name: pydiflumetofen, chemical name: 3-(difluoromethyl)-N-methoxy-1-methyl-N-[(RS)-1-methyl 2-(2 ,4,6-Trichlorophenyl)ethyl]pyrazole-4-carboxamide, CAS accession number: 1228284-64-7. Fluconazole is a pyridylamide fungicide developed by Syngenta that acts on succinate dehydrogenase. It mainly affects the respiratory chain electron conduction system of pathogenic bacteria and connec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N33/20A01N43/56A01P3/00A01G13/00
CPCA01N33/20A01N43/56A01G13/00
Inventor 葛家成杨志鹏刘金玲刘桂娟隋书婷王玉
Owner 青岛海利尔生物科技有限公司
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