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Bactericidal composition with N, N-diethyl phenazine-1-formamide and prothioconazole and application of bactericidal composition

A technology of prothioconazole and phenethicycin, which is applied in the fields of application, fungicide, biocide, etc., can solve the problem of compounding of phenethiconazole and prothioconazole, discount of control effect of single active ingredient, The problem of large investment in new compounds can achieve the effect of reducing the cost of pesticide use, reducing the amount of pesticide use, and being environmentally friendly.

Active Publication Date: 2017-06-27
山东中新科农生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The results of a large number of field efficacy tests show that prothioconazole has a good control effect on almost all diseases of wheat, especially has special activity on sheath blight and spotted blight, and it not only has good effects on crops It is safe, and the control effect is good, and the production increase is obvious, and the duration of effect is long. However, with the long-term and high-dose use of prothioconazole, the pathogenic bacteria have developed strong resistance to it, which directly leads to the reduction of drug efficacy and shortened shelf life
[0005] During the use of pesticides, under the continuous pressure of agent selection, the resistance of pathogenic bacteria presents an increasing trend year by year, which leads to a great discount on the control effect of a single active ingredient
The introduction of new compounds has the characteristics of large investment and long cycle time. Therefore, the development of new varieties of pesticides has become a research hotspot.
At present, there is no relevant report on the compounding of phenethromycin and prothioconazole

Method used

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  • Bactericidal composition with N, N-diethyl phenazine-1-formamide and prothioconazole and application of bactericidal composition
  • Bactericidal composition with N, N-diethyl phenazine-1-formamide and prothioconazole and application of bactericidal composition

Examples

Experimental program
Comparison scheme
Effect test

preparation Embodiment

[0028] 1. Example 1: 22% prothioconazole · phenethicycin suspension concentrate (10:1)

[0029] Prothioconazole 20%

[0030] Phenethylmycin 2%

[0031] Alkylbenzenesulfonate 3%

[0032] Polyoxyethylene ether phosphate 2%

[0033] C 10 Fatty Alcohol 1.5%

[0034] Sodium Benzoate 0.5%

[0035] Xanthan Gum 2%

[0036] Deionized water balance

Embodiment 2

[0037] 2. Example 2: 19% prothioconazole · phenethicycin suspension concentrate (16:3)

[0038] Prothioconazole 16%

[0039] Phenethylmycin 3%

[0040] Dibutylnaphthalene sulfonate 3%

[0041] Dispersant MF-5 3%

[0042] C 10 Fatty Alcohol 1.5%

[0043] Sodium Benzoate 0.5%

[0044] Magnesium Aluminum Silicate 2%

[0045] Deionized water balance

[0046] 3. Example 3: 31.5% prothioconazole·phenethicycin water dispersible granules (20:1)

[0047] Prothioconazole 30%

[0048] Phenethylmycin 1.5%

[0049] Nonylphenol ethoxylate 2.5%

[0050] Alkyl Sulfosuccinate 3%

[0051] Urea 2.5%

[0052] Polyvinylpyrrolidone 1%

[0053] Kaolin balance

[0054] 3. Field drug efficacy test

[0055] 1. Test object: rice sheath blight

[0056] 2. Test agents: the pesticide preparations of Examples 1-3, 40% prothioconazole suspension, and 1% phenethicycin suspension.

[0057] 3. Test method: The test site is set in a rice field in Changsha City, and each plot selects a 66.7m rice...

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Abstract

The invention discloses a bactericidal composition with prothioconazole and N, N-diethyl phenazine-1-formamide and application of the bactericidal composition to preventing and treating diseases of crops. The crops include, but are not limited to, cereal crops, melon and fruits and vegetables, and the diseases include, but are not limited to, ring rot, rice false smut, powdery mildew, downy mildew and epidemic diseases. The weight ratio of the prothioconazole to the N, N-diethyl phenazine-1-formamide in the bactericidal composition is 1:10-40:1. The bactericidal composition and the application have the advantages that obvious synergistic interaction effects can be realized by the bactericidal composition for preventing and treating the diseases of the diversified crops in the proportional range; the bactericidal composition which is a pesticide composition has obvious economic benefits and a large-area popularization and application prospect.

Description

technical field [0001] The invention belongs to the technical field of pesticide compounding, and in particular relates to a fungicidal composition containing phenethycin and prothioconazole and its use for preventing and treating fungal diseases of crops. Background technique [0002] Rice sheath blight, also known as moire, is commonly known as flower foot stalk, rotten foot blast, eyebrow spot. It is caused by infection by Rhizoctonia solani, and it mostly occurs under high temperature and high humidity conditions. Sheath blight is one of the major diseases in rice production, which is a serious hazard in southern rice areas. The disease prevents the rice from heading, or there are more grains in the heading, and the grain weight decreases. The application of chemical agents is the most effective means to prevent and control plant fungal diseases, but the long-term continuous application of a single chemical fungicide in high doses is likely to cause problems such as dr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/653A01N43/60A01P3/00
CPCA01N43/60A01N43/653
Inventor 王金英王海勇王涛王金生
Owner 山东中新科农生物科技有限公司