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Antibacterial composition containing cyflufenamid and triazole bactericides

A technology of cycloflufen and its composition, which is applied in the field of pesticide compounding, can solve the problems of short duration of action, high resistance to triazole fungicides, etc., achieve long-lasting drug effect, reduce the amount of pesticide usage, and be environmentally friendly Effect

Inactive Publication Date: 2012-01-11
HAILIR PESTICIDES & CHEM GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] The R&D personnel of our company have long been committed to the research in the field of pesticide fungicide compounding. After screening a large number of test formulas, a new type of high-efficiency fungicide composition was proposed to solve the problem of high resistance and long-lasting triazole fungicides in practical applications. short term issue

Method used

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  • Antibacterial composition containing cyflufenamid and triazole bactericides
  • Antibacterial composition containing cyflufenamid and triazole bactericides
  • Antibacterial composition containing cyflufenamid and triazole bactericides

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0046] (1) Experimental object:

[0047] Wheat powdery mildew pathogen is isolated and purified from powdery mildew diseased leaves in wheat fields, cultivated and stored in a 4°C refrigerator on a PDA slope.

[0048] Test medium:

[0049] PDA medium: potato 200g, glucose 20g, agar 20g, water 1000ml.

[0050] AEA medium: yeast powder 5g / L, glycerol 20mL / L, MgSO 4 0.25g / L, NaNO 3 6g / L, KCl0.5g / L, KH 2 PO 4 1.5g / L, agar powder 20g / L, deionized water 1L.

[0051] (2) Experimental medicine:

[0052] 95% of the original drug of cycloflufenamide, Nippon Soda Co., Ltd., 94% of the original drug of prothioconazole, Bayer company.

[0053] Mix and match settings:

[0054] The content percentages of 19% Cyflufenam·Prothioconazole are 4:15, 6:13, 8:11, 10:9, 12:7, namely 4%+15%, 6%+13%, 8% +11%, 10%+9%, 12%+7%, a total of 5 mixed combinations.

[0055] (3) Test method:

[0056] Toxicity determination of single agent against wheat powdery mildew pathogen:

[0057] Cyflufenamid...

example 2

[0074] Biological Assay Example 2: Indoor Toxicity Test of Cyflufenamide and Tetrafluconazole on Cucumber Powdery Mildew Pathogen.

[0075] 94% Tetrafluconazole original drug, Italy SEG company.

[0076] Cucumber powdery mildew pathogen was isolated and purified from cucumber powdery mildew-infected leaves in Shandong Shouguang cucumber greenhouse, cultured and preserved on PDA slant in 4°C refrigerator.

[0077] Toxicity Assays for Single-Agent Cyflufenad and Tefluconazole, EC 50 The values ​​were 3.66 and 8.53 mg / l, respectively.

[0078] Mix and match settings:

[0079] The content percentages of 22% fluvafen-tetrafluconazole are 4:18, 6:16, 8:14, 10:12, 12:10, namely 4%+18%, 6%+16%, 8% +14%, 10%+12%, 12%+10%, a total of 5 mixed combinations.

[0080] Test method is the same as biological assay embodiment 1

[0081] Experimental results and analysis:

[0082] Table 3 The virulence test of the combination of fluvafen and tetrafluconazole against cucumber powdery mildew...

example 3

[0087] Biological Assay Example 3: Indoor Toxicity Determination of Cyflufenamide and Silfluazole Compound on Rice Smut Disease.

[0088] 95% silfluazole technical product, Sankyo Chemical Co., Ltd., Japan.

[0089] Oryza smut pathogen is isolated and purified from the panicle of rice diseased rice in Hunan, cultured and preserved on a PDA slope at 4°C in a refrigerator.

[0090] Toxicity Assays for Single-Agent Cyflufenad and Silfluzol, EC 50 The values ​​were 4.37 mg / l and 6.03 mg / l, respectively.

[0091] Mix and match settings:

[0092] The content percentages of 18% fluvafen-silfluazole are 3:15, 5:13, 7:11, 9:9, 11:7, namely 3%+15%, 5%+13%, 7% +11%, 9%+9%, 11%+7%, a total of 5 mixed combinations.

[0093] Test method is similar to biological assay embodiment 1

[0094] results and analysis:

[0095] Table 5 Combined virulence of fluvafen and silfluazole compound against rice false smut

[0096] Drug mass ratio

[0097] Table 6 Combined virulence of fluvafe...

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Abstract

The invention relates to a preparation of an antibacterial composition, which belongs to the pesticide compounding field. Affective ingredients of the antibacterial composition are prepared through mixing two components of cyflufenamid and several triazole bactericides, wherein the weight ratio of cyflufenamid to the triazole bactericides is 90:1-1:90, and preferably 60:3-2:70; the total weight percentage of the active ingredients in the antibacterial composition is 1-90%, and preferably 8-75%, the rest is pesticide allowable and acceptable auxiliary components. A wettable pulvis, a suspending agent, a soluble liquid formulation, an emulsion in water, a water dispersed granule, and a particulate agent can be prepared from the antibacterial composition with known methods. The antibacterial composition is mainly used for controlling fungal diseases of crops of grains, cotton, oil, fruits, vegetables and flowers.

Description

technical field [0001] The present invention relates to the technical field of pesticide compounding, in particular to a compounding method using cycloflufenamide and some triazole compounds such as prothioconazole, sifluconazole, tebuconazole, tetrafluconazole, cyproconazole, and diphenoxylate Any one of the cyclazoles is a bactericidal composition with two components of active ingredients. Background technique [0002] Cyflufenamide is a fungicide with a new parent structure developed by Nippon Soda Corporation. Its chemical structural formula is as follows: [0003] [0004] It has excellent effects and characteristics on powdery mildew and peach ash on various vegetables and wheat, and has equal activity on triazoles, imidazoles, methoxyacrylate resistant bacteria and sensitive bacteria. Cyflufenamide has extremely low toxicity to humans and animals, and has no impact on the next generation. The teratogenicity and mutagenicity tests are all negative, and there is no ...

Claims

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Application Information

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IPC IPC(8): A01N43/653A01N37/52A01N55/10A01P3/00
Inventor 杜秀斌葛尧伦杨波涛韩先正葛大鹏
Owner HAILIR PESTICIDES & CHEM GRP
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