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Sterilization component containing pyraclostrobin and epoxiconazole, sterilizing agent and application of sterilization component and sterilizing agent

A technology of pyraclostrobin and fungicides, applied in the field of pesticides, can solve problems such as easy to produce phytotoxicity, achieve the effects of improving crop yield and quality, environmental safety, and reducing ecological and environmental pollution

Inactive Publication Date: 2018-07-10
SHANDONG WEIFANG RAINBOW CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Another example is that in some places where the damage of leaf spot is serious, common fungicides such as chlorothalonil and mesulphate have no effect when used alone, and triadimefon has also caused serious disease due to large-scale application. resistant and prone to phytotoxicity

Method used

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  • Sterilization component containing pyraclostrobin and epoxiconazole, sterilizing agent and application of sterilization component and sterilizing agent
  • Sterilization component containing pyraclostrobin and epoxiconazole, sterilizing agent and application of sterilization component and sterilizing agent
  • Sterilization component containing pyraclostrobin and epoxiconazole, sterilizing agent and application of sterilization component and sterilizing agent

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0084] In the present invention, the preparation method of the water-dispersible granules of pyraclostrobin and epoxiconazole comprises the following steps:

[0085] (1) Mix pyraclostrobin, epoxiconazole, dispersant, wetting agent, disintegrating agent and inert filler uniformly, and carry out ultrafine airflow pulverization to obtain a fine powder of 680-840 mesh, which is set aside;

[0086] (2) Knead the obtained fine powder with water, then extrude the kneaded material into granules, and dry at 30-70° C. to obtain water-dispersible granules.

[0087] Described dispersant, wetting agent, disintegrant and inert filler are auxiliary agents (i.e. adjuvant, hereinafter the same) in water-dispersible granules, wherein, dispersant, wetting agent, disintegrant and inert filler can make Water-dispersible granules have excellent dispersibility, foamability, disintegration, suspension rate, etc. The selection and dosage of all additives will also have a certain impact on the efficacy...

Embodiment 1

[0140] This embodiment adopts the method of combining indoor toxicity test and field test. First, through the indoor toxicity test, the synergistic ratio (SR) of the two agents after compounding in a certain proportion is clarified. SR1.5 is a synergistic effect. On this basis, field experiments were carried out.

[0141] Indoor toxicity test of pyraclostrobin and epoxiconazole on soybean leaf spot disease, the test reagents were provided by Shandong Weifang Runfeng Chemical Co., Ltd.

[0142] After pre-testing to determine the range of effective inhibitory concentration of each drug, each drug was treated with 7 doses according to the content of active ingredients, and water control was set. Refer to the "Pesticide Indoor Bioassay Test Guidelines for Fungicides", and use the mycelium growth rate method to determine the toxicity of the pesticides to soybean leaf spot. After 72 hours, the colony diameter was measured by the cross method, and the net growth and mycelial growth...

Embodiment 280

[0153] Example 2 80% pyraclostrobin·epiconazole water dispersible granules

[0154] 58% of pyraclostrobin, 24% of econazole, 2% of ethylene oxide-propylene oxide block copolymer of dispersant, 4% of maleic acid acrylic acid copolymer, a-sulfo fatty acid methyl as wetting agent 1.0% ester, 0.5% sodium a-olefin sulfonate, 0.5% sodium fatty acid amide N-methyl taurate, 0.67% disintegrant diammonium hydrogen phosphate, 1.33% ammonium sulfate, kaolin to make up to 100%, after mixing evenly , carry out ultra-micro airflow pulverization to obtain a fine powder of 750 meshes, knead the obtained fine powder with water, then extrude and granulate the kneaded material, and dry it at 50°C to obtain 80% pyraclostrobin · econazole Water dispersible granules.

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Abstract

The invention provides a sterilization component containing pyraclostrobin and epoxiconazole. The sterilization component comprises the pyraclostrobin and the epoxiconazole. According to the sterilization component, the pyraclostrobin and the epoxiconazole are mixed and used, fungi diseases are highly prevented and treated, obvious synergistic effect between the pyraclostrobin and the epoxiconazole is achieved, usage amount of an effective component is decreased after the pyraclostrobin and the epoxiconazole are mixed and used, ecological and environmental pollution is effectively reduced, andcrop yield and quality is improved. The pyraclostrobin and the epoxiconazole belongs to low toxicity and are safe for people, livestock, beneficial organisms and environments, and the pesticide resistance of the harmful bacteria for a single pesticide can be delayed.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to a bactericidal composition containing pyraclostrobin and epoxiconazole, a bactericide and applications thereof. Background technique [0002] Pyraclostrobin), the chemical name is methyl(N)-[[[1-(4-chlorophenyl)pyrazol-3yl)-oxygen]-O-methoxy]-N-methoxyamino Formate, the molecular formula is C19H18ClN3O4, and the molecular weight is 387.82. Pyraclostrobin is a methoxyacrylate (Strobilurin) fungicide with high efficiency and broad spectrum. It is a mitochondrial respiration inhibitor, that is, it works by preventing electron transfer in cytochrome synthesis. It has the functions of protection, treatment and leaf penetration. It has the functions of protection, treatment and leaf penetration. It is mainly used to prevent and control cucumber powdery mildew, downy mildew, banana scab, leaf spot, sclerotinia, cabbage, mango, tea and other anthracnose and shaft rot. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/24A01N43/653A01P3/00
CPCA01N43/653A01N47/24A01N2300/00
Inventor 孙国庆侯永生吴勇路雪林赵保臣
Owner SHANDONG WEIFANG RAINBOW CHEM
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