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Sterilization composition containing difenodiconazole and pyraclostrobin

A technology of pyraclostrobin and difenodiazole, which is applied in the field of pesticide compositions and bactericidal compositions, can solve the problems of short duration of action and single control effect, increase the number of action sites, improve the bactericidal effect, and delay The effect of bacterial resistance

Active Publication Date: 2012-09-12
HANGZHOU UDRAGON CHEMICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to overcome the problems of a single bactericide on the prevention and control of agricultural diseases, such as single effect and short duration, and provide a bactericidal composition with good bactericidal effect, delayed drug resistance and low drug cost.

Method used

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  • Sterilization composition containing difenodiconazole and pyraclostrobin
  • Sterilization composition containing difenodiconazole and pyraclostrobin
  • Sterilization composition containing difenodiconazole and pyraclostrobin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Embodiment 1 prepares water dispersible granule

[0038] The general preparation method is as follows: according to the formula ratio, mix the original drug, dispersant, wetting agent, binder, filler, etc. evenly, obtain powder after airflow crushing, add 15-20% of water phase, mix in the granulator Granulate, then dry and sieve to obtain water-dispersible granules.

[0039] Preparation of water dispersible granules of 50% difenodiazole pyraclostrobin:

[0040] Weigh 15% difenodiazole technical material, 35% pyraclostrobin technical material, 3% TERSPERSE 2700, 2% diffusing agent NNO (alkyl naphthalene sulfonate formaldehyde condensate), 3% pull-off powder BX ( Sodium dibutyl naphthalene sulfonate), 4% K-12 (sodium lauryl sulfate), 5% microcrystalline cellulose, 3% diatomaceous earth, 5% glucose, kaolin to 100%, mix well, and prepare To obtain a powder, add 20% of water, and then follow the above-mentioned general method to prepare 50% water-dispersible granules of di...

Embodiment 2

[0041] Embodiment 2 prepares suspension

[0042] The general preparation method is: according to the proportion of the formula, using water as the medium, adding the original drug, dispersant, suspending agent and antifreeze into a high-shear emulsifier and shearing for 30 minutes, and then sanding with a sand mill to obtain suspending agent.

[0043] Preparation of 20% suspending agent of difenodiazole pyraclostrobin:

[0044] Weigh 13% difenodiazole technical material, 7% pyraclostrobin technical material, 3% TERSPERSE 4894, 2% TERSPERSE 2500, 3% TERSPERSE 2425, 0.2% xanthan gum, 1% magnesium aluminum silicate, 5 % ethylene glycol, 0.2% sodium benzoate, 0.5% silicone defoamer (trade name: s-29 produced by Nanjing Sixin Applied Chemicals Co., Ltd.), add deionized water to 100%, make a slurry, and carry out sand grinding , to obtain a suspension concentrate of 20% difenidazole pyraclostrobin.

[0045] Preparation of 24% difenodiazole pyraclostrobin suspension concentrate:

...

Embodiment 3

[0047] Embodiment 3 prepares wettable powder

[0048] The general preparation method is as follows: according to the formula ratio, mix various additives, fillers, and original medicines, grind them in a coarse pulverizer, and then enter a jet pulverizer to fully pulverize and mix them to obtain a wettable powder.

[0049] Preparation of wettable powder of 70% phenetidazole pyraclostrobin:

[0050] Weigh 50% difenodiazole original drug, 20% pyraclostrobin original drug, 5% calcium lignosulfonate, 2% pull open powder BX, 1% K-12, 5% white carbon black, kaolin plus to 100%, mixed evenly, and pulverized to obtain 70% wettable powder of difenodiazole pyraclostrobin.

[0051] Preparation of wettable powder of 50% fenidazole pyraclostrobin:

[0052] Weigh 40% difenodiazole technical material, 10% pyraclostrobin technical material, 4% calcium lignosulfonate, 3% TERSPERSE 2700, 2% pull open powder BX, 2% K-12, 5% white Carbon black and light calcium are added to 100%, mixed evenly,...

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Abstract

The invention relates to a pesticide composition and particularly relates to a sterilization composition which is used for controlling powdery mildew, anthracnose, late blight, brown blotch and banded sclerotial blight in agriculture. The sterilization composition contains active ingredients including difenodiconazole and pyraclostrobin. Compared with the single preparation, the sterilization composition has an obvious synergistic effect on agricultural diseases and is beneficial to overcoming and delaying the production of bacteria resistance.

Description

【Technical field】 [0001] The invention relates to a pesticide composition, in particular to a bactericidal composition, in particular to a bactericidal composition for preventing and controlling powdery mildew, anthracnose, late blight, brown spot and sheath blight in agriculture. 【Background technique】 [0002] Powdery mildew and anthracnose are very important diseases on fruits, vegetables and other crops, often causing important losses of crops. Late blight is one of the major diseases on tomatoes and potatoes. Peanut brown spot disease caused by fungus Cercospora arachidicola Hori of Deuteromycotina can damage peanut leaves, petioles and stems. Sheath blight is the main disease of rice and wheat, and it occurs seriously all year round, mainly damaging the sheaths and leaves. [0003] Pyraclostrobin (English common name: Pyraclostrobin), also known as pyraclostrobin, chemical name: N-{2-[1-(4-chlorophenyl)-1H-pyrazol-3-yloxymethyl ] phenyl} (N-methoxy) methyl carbamate...

Claims

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Application Information

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IPC IPC(8): A01N47/24A01N43/653A01P3/00A01G13/00
Inventor 吴华龙徐黎婷
Owner HANGZHOU UDRAGON CHEMICAL CO LTD
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