Innovative high-efficient sterilization composition

A composition and a new type of technology, applied in the direction of fungicides, biocides, biocides, etc., to achieve the effects of generally increasing production, improving control efficiency, and reducing the number of repeated uses

Inactive Publication Date: 2012-01-18
QINGDAO AUDIS BIO TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

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  • Innovative high-efficient sterilization composition
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  • Innovative high-efficient sterilization composition

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0042] Bioassay example 1:

[0043] (1) Subject:

[0044] 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.

[0045] Test medium:

[0046] PDA medium: 200g potato, 20g glucose, 20g agar, 1000ml water.

[0047] 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.

[0048] (2) Experimental medicine:

[0049] 90% bixafen technical, Bayer CropScience Co., Ltd., 95% pyraclostrobin technical, BASF Europe.

[0050] Mixing combination settings:

[0051] The percentage of 16% bixafen·pyraclostrobin is 3:13, 5:11, 7:9, 9:7, 11:5, namely 3%+13%, 5%+11%, 7%+9 %, 9%+7%, 11%+5%, a total of 5 mixed combinations.

[0052] (3) Test method:

[0053] Toxicity test of single dose to cucumber powdery mildew pathogen:

[0054] Bixafen and pyraclostrobin are ...

Example Embodiment

[0071] Bioassay example 2: Indoor virulence determination of the combination of bixafen and azoxystrobin against cucumber downy mildew.

[0072] 98% azoxystrobin technical, Shangyu Yingtai Fine Chemical Co., Ltd.

[0073] Cucumber downy mildew pathogen was isolated and purified from cucumber downy mildew-infected leaves in a cucumber greenhouse in Shouguang, Shandong, and cultured and stored in a refrigerator at 4°C on a PDA slope.

[0074] To determine the virulence of a single dose of bixafen and azoxystrobin, EC 50 The values ​​are 2.57 mg / l and 6.11 mg / l in order.

[0075] Mixing combination settings:

[0076] The percentages of 17% bixafen·azoxystrobin are 3:14, 5:12, 7:10, 9:8, 11:6, namely 3%+14%, 5%+12%, 7%+10%, There are 5 mixed combinations of 9%+8% and 11%+6%.

[0077] The test method is the same as in Bioassay Example 1

[0078] Experimental results and analysis:

[0079] Table 3 The virulence experiment of bixafen and azoxystrobin to Cucumber Downy Mildew

[0080]

[0081] Tab...

Example Embodiment

[0084] Bioassay Example 3: Indoor virulence determination of cucumber leaf spot disease by bixafen and fluoxastrobin.

[0085] Cucumber leaf spot pathogen was isolated and purified from cucumber leaf spot disease-infected leaves in a cucumber greenhouse in Shouguang, Shandong, and cultured and stored in a refrigerator at 4°C on a PDA slope.

[0086] To determine the virulence of a single dose of bixafen and fluoxastrobin, EC 50 The values ​​are 2.17 mg / l and 4.36 mg / l in order.

[0087] Mixing combination settings:

[0088] The percentages of 17% bixafen·fluoxastrobin are 3:14, 5:12, 7:10, 9:8, 11:6, namely 3%+14%, 5%+12%, 7%+10 %, 9%+8%, 11%+6%, a total of 5 mixed combinations.

[0089] The test method is the same as in Bioassay Example 1

[0090] results and analysis:

[0091] Table 5 Combined virulence of bixafen and fluoxastrobin to Cucumber Leaf Spot Pathogen

[0092]

[0093]

[0094] Table 6 Combined virulence of bixafen and fluoxastrobin to Cucumber Leaf Spot Pathogen

[0095] ...

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Abstract

The invention relates to a sterilization composition in the compounded field of farm chemicals, which contains active ingredients such as bixafen and partial strobilurin fungicide, the weight percentage of the two active ingredients is 80:1 to 1:80, and the preferential weight percentage is 45:3 to 5:60; and the total weight percentage of the active ingredients in the sterilization composition is 1 percent to 90 percent, and the preferential total weight percentage of the active ingredients in the sterilization composition is 5 percent to 70 percent, the rest of ingredients of the sterilization composition are auxiliary components which are allowed to use and are acceptable in the farm chemicals. The sterilization composition can be made into wettable powder, suspending agent, soluble liquid, micro-emulsion, emulsion in water and water dispersion granule through a known method; and the sterilization composition is mainly used for controlling the fungous and bacteria hazards of the crops such as vegetables, fruit trees, corns and the like.

Description

Technical field [0001] The present invention relates to the technical field of pesticide compounding, in particular to a kind of compound containing bixafen (C 18 H 12 Cl 2 F 3 N 3 O) A bactericidal composition compounded with a part of methoxyacrylate compounds. Background technique [0002] Bixafen(C 18 H 12 Cl 2 F 3 N 3 O) is a new type of SDI pyrazole fungicide. The chemical structure of Bixafen is: [0003] [0004] Bixafen is a succinate dehydrogenase inhibitor. It will be mainly developed for the prevention and treatment of leaf spot and leaf rust. However, studies have shown that this new compound has good activity against a variety of pathogens, such as powdery mildew, gray mold, and frost. Bacteria, such as mildews, which have become more resistant to antibiotics, are expected to become important species for fungicide resistance management. [0005] In addition, methacrylic acid ester fungicides are also a kind of low-toxicity, high-efficiency, broad-spectrum, systemic fun...

Claims

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Application Information

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IPC IPC(8): A01N47/24A01N43/88A01N43/56A01N43/54A01N43/40A01N37/50A01N37/36A01P3/00
Inventor 葛尧伦杨波涛葛大鹏韩先正杜秀斌
Owner QINGDAO AUDIS BIO TECH CO LTD
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