Bactericidal composition containing pyraclostrobin and difenoconazole and application thereof

A technology of pyraclostrobin and difenoconazole, which is applied in the field of fungicidal compositions, can solve the problems of difficult control of plant pathogens, discounted single-dose control effects, and increased resistance of pathogenic bacteria, so as to inhibit fungal drug resistance, Good control effect, delaying the effect of drug resistance

Inactive Publication Date: 2014-02-12
NANJING HUAZHOU PHARMA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] At present, the prevention and control of plant pathogens is becoming more and more difficult. On the one hand, with the change of planting structure, the planting area of ​​economic crops such as melons, fruits and vegetables has gradually expanded, and the degree and number of diseases have inc...

Method used

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  • Bactericidal composition containing pyraclostrobin and difenoconazole and application thereof
  • Bactericidal composition containing pyraclostrobin and difenoconazole and application thereof
  • Bactericidal composition containing pyraclostrobin and difenoconazole and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Put 7.5g of pyraclostrobin, 7.5g of difenoconazole, 2g of cleaning agent LS (sodium p-methoxy fatty acid amidobenzenesulfonate), 4g of diffusing agent NNO (sodium methylene bis-naphthalenesulfonate) , white carbon black 5g, kaolin is added to 100g mixture and carried out jet milling, and the obtained main active ingredient weight percent is 15% wettable powder.

Embodiment 2

[0030] Add 3 g of pyraclostrobin, 12 g of difenoconazole, 3 g of cleaning agent LS, 4 g of diffusing agent, 5 g of white carbon black, and kaolin to 100 g of the mixture, and perform jet milling to obtain a main active ingredient with a weight percentage of 15 % wettable powder.

Embodiment 3

[0032] Add 2 g of pyraclostrobin, 13 g of difenoconazole, 3 g of cleaning agent LS, 4 g of diffusing agent, 5 g of white carbon black, and kaolin to 100 g of the mixture and carry out jet milling to obtain a main active ingredient with a weight percentage of 15 % wettable powder.

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Abstract

The invention discloses a bactericidal composition containing pyraclostrobin and difenoconazole and an application thereof. The bactericidal composition takes pyraclostrobin and difenoconazole as main active ingredients, wherein the weight ratio of pyraclostrobin to difenoconazole is (1-70):(1-50). The bactericidal composition can be used for preventing the diseases of cereal, melon and fruit or vegetable crops, has relatively high synergistic effect, overcomes and delays the drug resistance of germs, and realizes high bactericidal speed and long duration while the application cost is reduced and the prevention effect is obviously better than that of using a single agent. The bactericidal composition disclosed by the invention can be used for preventing fungal diseases of crops and particularly can be used for preventing the fungal diseases such as downy mildew, sheath blight, false smut, scab, brown spot, glume blight, leaf blight, rust disease, powdery mildew, early blight, leaf spot disease, net blotch and the like of the cereal, melon and fruit or vegetable crops, and the effect is better than that of using a single agent.

Description

Technical field: [0001] The invention relates to a bactericidal composition and its application, in particular to a bactericidal composition with pyraclostrobin and difenoconazole as main active ingredients and its application. Background technique [0002] Pyraclostrobin, also known as: pyraclostrobin, the chemical name is N-methoxy-N-2-[(N-p-chlorophenyl)-3-pyrazolyloxymethyl]benzene base carbamate. The structural formula is as follows: [0003] [0004] Low toxicity of pyraclostrobin: rat oral>5000, skin>2000, non-irritating to rabbit eyes, no potential mutagenicity, no teratogenic carcinogenicity, harmless to bees, hydrolysis half-life in water DT 50 >30d, stable at pH5-7, photolysis half-life in water DT 50 <2h, soil half-life DT in field 50 2-37d. The compound is not only low in toxicity, safe for non-target organisms, but also safe and friendly to users and the environment, and has been listed as a "candidate agent for reducing risk" by the US EPA....

Claims

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Application Information

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IPC IPC(8): A01N47/24A01N43/653A01P3/00
Inventor 彭永强刘奎涛赵维桢袁竹青高瑞花
Owner NANJING HUAZHOU PHARMA
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