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Fungicidal composition containing 2-methyl sulfone-5-(2,4-dichlorophenyl)-1,2,3-oxadiazole and fluopicolide and application of fungicidal composition

A technology of dichloroxaconazole and fluopyram, applied in the field of pesticides, can solve problems such as the compounding of dichloroxaconazole and fluopyram that has not yet been found, so as to delay the drug resistance of pathogenic bacteria, reduce the use amount of pesticides and reduce the consumption of pesticides. The cost of use and the effect of simple preparation process

Inactive Publication Date: 2017-02-01
佛山市普尔玛农化有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The inventors of the present application have found through a large number of experimental studies that after compounding dicloconazole and fluopyram, there is a good synergistic effect within a certain range, and it has not been found that dicloconazole Related reports on compounding with fluopyram

Method used

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  • Fungicidal composition containing 2-methyl sulfone-5-(2,4-dichlorophenyl)-1,2,3-oxadiazole and fluopicolide and application of fungicidal composition
  • Fungicidal composition containing 2-methyl sulfone-5-(2,4-dichlorophenyl)-1,2,3-oxadiazole and fluopicolide and application of fungicidal composition

Examples

Experimental program
Comparison scheme
Effect test

preparation Embodiment

[0016] 1. Example 1: 40% dicloconazole·fluopyram wettable powder (1:1)

[0017] Dicloconazole 20%

[0018] Fluopyram 20%

[0019] Alkylphenol ethoxylates 5%

[0020] Sodium dodecylbenzenesulfonate 6%

[0021] Attapulgite balance

[0022] The preparation method of the wettable powder is as follows: add dicloconazole and fluopyram into the carrier according to the formula, add a wetting agent and a dispersant, mix, add an appropriate amount of water after jet crushing, and After kneading, granulating, drying and sieving, the wettable powder of the present invention is obtained.

Embodiment 2

[0023] 2. Example 2: 28% dicloconazole · fluopyram water dispersible granules (3:4)

[0024] Dicloconazole 12%

[0025] Fluopyram 16%

[0026] Aliphatic amine ethoxylates 4%

[0027] Pull open powder BX 4%

[0028] Hydroxymethyl Cellulose 2%

[0029] Ammonium sulfate 2%

[0030] Diatomaceous earth balance

[0031] The preparation method of the water-dispersible granules is as follows: according to the formula, dicloconazole and fluopyram are added to the carrier, and a wetting agent, a dispersant and a disintegrating agent are added, mixed, and added after jet crushing An appropriate amount of water is kneaded, granulated, dried and sieved to obtain the water-dispersible granules of the present invention.

[0032] 3. Example 3: 33% dicloconazole·fluopyram suspension concentrate (10:1)

[0033] Dicloconazole 30%

[0034] Fluopyram 3%

[0035] Alkylphenol ethoxylate sulfate 6%

[0036] Dispersant MF-5 3%

[0037] Xanthan Gum 2%

[0038] Silicone 1.6%

[0039] Ethyle...

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Abstract

The invention discloses a fungicidal composition containing 2-methyl sulfone-5-(2,4-dichlorophenyl)-1,2,3-oxadiazole and fluopicolide and application of the fungicidal composition. The active ingredients comprise 2-methyl sulfone-5-(2,4-dichlorophenyl)-1,2,3-oxadiazole and fluopicolide, the compound weight ratio of 2-methyl sulfone-5-(2,4-dichlorophenyl)-1,2,3-oxadiazole to fluopicolide is 1:30-30:1, and preferred weight ratio is 1:20-10:1. The fungicidal composition can be prepared into emulsifiable concentrate, wettable powder, oil-dispersible suspending agent, suspending agent, water dispersible granule, aqueous emulsion, microemulsion and granules. The fungicidal composition is reasonable in composition and good in fungicidal effect, and can achieve an obvious synergistic effect within the proportion range. The fungicidal composition has remarkable control effects on potato late blight and other various crop diseases.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to a fungicidal composition containing dicloconazole and fluopyram and its application on crop diseases. Background technique [0002] Potato Late Blight (Potato Late Blight) is caused by Phytophthora infestans, a devastating oomycete disease that causes potato stem and leaf death and tuber rot. When the leaves are infected, water-soaked green-brown spots will appear on the tip or edge of the leaves, with a light green halo around the spots. When the humidity is high, the spots will expand rapidly and turn brown, and produce a circle of white mold, namely cysts and spores. cysts, especially on the back of leaves; when dry, the lesions turn brown and dry, brittle and easy to crack, no white mold, and the expansion speed slows down. Brown streaks appear on stems or petioles. Severely affected leaves shrivel and shrink, eventually causing the whole plant to black rot, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/824A01N43/40A01P3/00
CPCA01N43/82A01N43/40A01N2300/00
Inventor 冯宝仪耿鹏叶宇平杨建江
Owner 佛山市普尔玛农化有限公司
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