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 n

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 Embodiment

[0045] Bioassay example 1:

[0046] (1) Subject:

[0047] Wheat powdery mildew pathogen was isolated and purified from the powdery mildew-infected leaves of wheat fields, and cultured and stored in a refrigerator at 4°C on a PDA slope.

[0048] Test medium:

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

[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, 20g / L agar powder, 1L deionized water.

[0051] (2) Experimental medicine:

[0052] 95% of the original drug of cycloflunomide, Japan Soda Corporation, 94% of the original drug of prothioconazole, Bayer.

[0053] Mixing combination settings:

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

[0055] (3) Test method:

[0056] Toxicity test of single dose to wheat powdery mildew pathogen:

[0057] The cycloflunomide and prothio...

Example Embodiment

[0074] Bioassay example 2: Indoor virulence determination of the combination of fenfluranil and tetraflurane to cucumber powdery mildew pathogen.

[0075] 94% Tetraflurane azole original drug, SEG, Italy.

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

[0077] To determine the virulence of single-dose cycloflunomide and tetraflurane, EC 50 The values ​​are 3.66 and 8.53 mg / l, respectively.

[0078] Mixing combination settings:

[0079] The percentages of 22% cycloflunomide·tetraflurane are 4:18, 6:16, 8:14, 10:12, 12:10, namely 4%+18%, 6%+16%, 8% +14%, 10%+12%, 12%+10% total 5 mixed combinations.

[0080] The test method is the same as in Bioassay Example 1

[0081] Experimental results and analysis:

[0082] Table 3 The virulence test of the combination of cyclofluoxazone and tetraflurane to cucumber powdery mi...

Example Embodiment

[0087] Bioassay Example 3: Indoor virulence determination of the combination of cyclofluoxapyr and silfluzole on rice smut disease.

[0088] 95% Sifluazole original drug, Sankyo Chemical Company, Japan.

[0089] The pathogen of rice smut was isolated and purified from the rice panicles of diseased rice in Hunan, and was cultured and stored in a refrigerator at 4°C on a PDA slope.

[0090] To determine the virulence of a single-dose cycloflunomide and silfluzole, EC 50 The values ​​are 4.37 mg / l and 6.03 mg / l, respectively.

[0091] Mixing combination settings:

[0092] The percentages of 18% cyclofluzamide·silfluzole 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] The test method is similar to bioassay example 1

[0094] results and analysis:

[0095] Table 5 Combined virulence of cycloflusamide and silofluazole to the pathogen of rice smut

[0096] Drug mass ratio

[0097] Table 6 The combined virulence of th...

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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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