Compound pesticide containing triflumizole and pyraclostrobin

A technology of pyraclostrobin and fluconazole, which is applied in the direction of fungicides, chemicals for biological control, animal repellants, etc., and can solve the problems of poor control effect, strong drug resistance, and large dosage , to achieve the effect of reducing the adverse impact on the environment, prolonging the service life and using it safely

Inactive Publication Date: 2014-06-18
曹荣成
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to solve the problems of large dosage, strong drug resistance and poor control effect of using a single dose of fluconazole and pyraclostrobin to prevent and control crop diseases, the present invention compounded the two fungicides, and found that: The combination of pyraclostrobin and pyraclostrobin has a significantly higher bactericidal effect than a single agent, not only for common plant pathogens, but also for those pathogenic bacteria that have developed drug resistance, and has excellent control effects under the condition of continuous disease occurrence , thus completing the present invention

Method used

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  • Compound pesticide containing triflumizole and pyraclostrobin

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Experimental program
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Effect test

Embodiment Construction

[0024] Indoor formula screening:

[0025] Toxicity and synergistic coefficients were determined by dissolving fluconazole and pyraclostrobin in different solvents (methanol for tricyclazole and acetone for difenoconazole) according to different weight ratios, respectively using detached leaves Oryza sativa (Table 1) and mycelia growth method were used to determine the inhibitory effect on rice aspergillus (Table 2), and then the EC50 value and synergistic coefficient were calculated.

[0026] According to the main prevention and control objects, select the ratio of synergistic coefficient (SR) ≥ 1.5, and carry out appropriate dosage form processing.

[0027] Table 1. Formula screening for controlling rice blast

[0028]

[0029] The field control effect test proved that, 4 days after application, the control effect of the compound pesticide of flufenazole and pyraclostrobin on rice blast was 85.5%. 8 days after spraying, the control effect of the compound pesticide of flu...

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Abstract

The invention discloses a compound pesticide containing triflumizole and pyraclostrobin. The total weight of the triflumizole and the pyraclostrobin accounts for 10-55% of the total weight of the agricultural fungicidal compound composition by weight percent; the compound pesticide also comprises the balance of auxiliary agents such as a solvent and an additive which are frequently used in the pesticide production and are acceptable in the pesticide production. The test results prove that the fungicidal effect of the composition of the triflumizole and the pyraclostrobin is obviously higher than that of a single agent, and the compound pesticide is very effective for the common phytopathogen and the pathogenic bacteria with drug resistance.

Description

technical field [0001] The invention belongs to the technical field of pesticide production, and relates to a fungicide, in particular to a compound fungicide for preventing and treating flower powdery mildew and rust. Background technique [0002] Fluconazole, molecular formula: C 15 h 15 CIF 3 N 3 O, molecular weight: 345.7473, is a broad-spectrum fungicide, sterol demethylation inhibitor, with systemic, protective, therapeutic and eradicating effects. It is mainly used for the control of powdery mildew and rust in cereals, vegetables, fruit trees and other crops. For example, 500g of 30% wettable powder per 100kg of seeds can be used to prevent wheat stripe disease and smut; soaking seeds with 20-30 times of 30% wettable powder for 10 minutes can prevent rice bakanae, rice blast, and flax Leaf blight; In addition, it can also prevent tea tree anthracnose, peach brown rot, blight and anthracnose of melons and vegetables. Fluconazole is a low toxicity fungicide. The ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/24A01P3/00A01N43/50
Inventor 曹荣成
Owner 曹荣成
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