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Novel environment-friendly bactericidal composition

A technology of composition and fungicide, applied in the directions of fungicides, biocides, biocides, etc., to achieve the effects of being environmentally friendly, reducing the amount of pesticides used, and reducing agricultural costs

Inactive Publication Date: 2012-01-04
SHANGDONG HAILIER CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, there are no relevant reports at home and abroad on the research on the compounding of the new fungicide cycloflufen and the above-mentioned benzimidazole compounds.

Method used

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  • Novel environment-friendly bactericidal composition
  • Novel environment-friendly bactericidal composition
  • Novel environment-friendly bactericidal composition

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0046] (1) Experimental object:

[0047] 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.

[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% Cyflufenamide original drug, Nippon Soda Co., Ltd., 98% Carbendazim original drug, Jiangsu Yangnong Chemical Group Co., Ltd.

[0053] Mix and match settings:

[0054] 17% Cyflufenamide·Carbendazim content percentages are 3:14, 5:12, 7:10, 9:8, 11:6, namely 3%+14%, 5%+12%, 7%+ 10%, 9%+8%, 11%+6% total 5 mixing combinations.

[0055] (3) Test method:

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

[005...

example 2

[0074] Biological Assay Example 2: Indoor Toxicity Determination of Combination of Cyflufenamide and Thiophanate-Methyl to Cucumber Powdery Mildew Pathogen.

[0075] 95% thiophanate-methyl technical, Jiangsu Bailing Agrochemical Co., Ltd.

[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 doses of cycloflufen and thiophanate-methyl, EC 50 The values ​​were 4.18 mg / l and 7.89 mg / l, respectively.

[0078] Mix and match settings:

[0079] The content percentages of 20% fluflufenam·thiophanate-methyl are 3:17, 5:15, 7:13, 9:11, 11:9, that is, 3%+17%, 5%+15%, 7% %+13%, 9%+11%, 11%+9%, a total of 5 mixing combinations.

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

[0081] Experimental results and analysis:

[0082] Table 3 Toxicity test of the combination of cyc...

example 3

[0087] Biological Assay Example 3: Indoor Toxicity Determination of Pear Scab Compounded with Cyflufenamide and Benomyl.

[0088] The pear scab fungus was isolated and purified from the diseased leaves of pear trees in Laiyang, Shandong, and cultured and preserved on a PDA slope at 4°C in a refrigerator.

[0089] Toxicity assays for single-dose cycloflufen and benomyl, EC 50 The values ​​were 3.53 mg / l and 8.11 mg / l, respectively.

[0090] Mix and match settings:

[0091] The content percentages of 21% Cyflufenamide Benomyl are 3:18, 5:16, 7:14, 9:12, 11:10 respectively, that is, 3%+18%, 5%+16%, 7% +14%, 9%+12%, 11%+10%, a total of 5 mixed combinations.

[0092] Test method is similar to biological assay embodiment 1

[0093] results and analysis:

[0094] Table 5 The combined virulence of cycloflufen and benomyl against pear scab

[0095] Drug mass ratio

Virulence regression equation

Correlation coefficient (r)

EC 50 (mg / L)

Cyflufenamide (A...

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Abstract

The invention relates to a bactericidal composition preparation which belongs to the field of the compounding of pesticides. The preparation is obtained by the binary blending of cyflufenamid and partial benzimidazole bactericides which are taken as active ingredients, wherein the weight ratio of the cyflufenamid to the partial benzimidazole bactericides is (80:1)-(1:90), (50:3)-(5:65) preferably; and the total weight content of the active ingredients in the bactericidal composition is 1 to 90 percent, 8 to 75 percent preferably. The balance is auxiliary ingredients which are allowed and acceptable in the pesticides. The preparation can be prepared into wettable powder, a suspending agent, soluble liquid, emulsion in water and water dispersible granules by a known method. The bactericidal composition is mainly used for controlling fungal diseases of crops such as grains, cotton, oil, fruits, vegetables, flowers and the like.

Description

technical field [0001] The present invention relates to the technical field of pesticide compounding, in particular to a method of using any one of cycloflufenamide and some benzimidazole compounds benomyl, carbendazim, thiophanate-methyl, thiabendazole, and thiabendazole The bactericidal composition is a two-component compound 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 various vegetables and wheat powdery mildew and peach ash, and has the same activity on benzimidazole, imidazole, 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 irritation or allergy to eyes and skin ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/38A01N47/34A01N47/18A01N43/78A01N43/52A01N37/52A01P3/00
Inventor 葛尧伦杨波涛葛大鹏韩先正杜秀斌
Owner SHANGDONG HAILIER CHEM
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