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Bactericidal composition containing famoxadone

A technology of oxaflucone and composition, which is applied in the field of compound bactericidal composition containing oxaflucone, can solve the problems of easy drug resistance, difficulty in large-scale promotion, high production and use costs, and achieve the goal of overcoming and killing germs. Antimicrobial resistance, expanded bactericidal spectrum, and pollution reduction effects

Active Publication Date: 2010-02-10
DONGGUAN RUIDEFENG BIO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current production and use costs of oxaconazole are relatively high, and it is difficult to promote it on a large scale. According to the existing research results, drug resistance is easy to occur when used alone

Method used

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  • Bactericidal composition containing famoxadone
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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0017] Biological Assay Example 1: Indoor Toxicity Determination of Fenflumedone and Bromothalonil Compound to Cucumber Powdery Mildew

[0018] Test object: Cucumber powdery mildew

[0019] Test method: potted plant method. Two potted cucumber seedlings at the true leaf stage with the same growth potential were selected, and 5 pots were selected for each treatment, numbered for future use. The cucumber powdery mildew leaves collected from the field were evenly shaken off the conidia on the cucumber seedlings for inoculation, and 24 hours later, they were treated with chemicals. See Table 1 for the test chemicals. Spray with a Potter spray tower at a pressure of 50PSI, 5mL per pot. Five concentration gradients were set for each drug. The same amount of water was sprayed as the blank control. After spraying, the cucumber seedlings were cultivated in the greenhouse. After 7 days, the disease index of the whole plant was investigated according to the incidence grading standar...

Embodiment 2

[0041] Biological Assay Example 2: Indoor Toxicity Determination of Fenflumedone and Brothalinil Compounded to Wheat Leaf Rust

[0042] Test object: wheat leaf rust fungus

[0043] Test method: potted plant method. Potted wheat seedlings at the three-leaf-one-heart stage with consistent growth vigor were selected, and 5 pots were selected for each treatment, numbered for future use. The wheat leaf rust diseased leaves collected from the field were rubbed and inoculated on the wheat seedlings with water droplets, and treated with chemicals 24 hours later. See Table 2 for the test chemicals. Spray with a Potter spray tower at a pressure of 50PSI, 5mL per pot. Five concentration gradients were set for each drug. The same amount of water was sprayed as the blank control. After spraying, the wheat seedlings were put into the greenhouse for cultivation. After 7d, adopt the method for bioassay embodiment 1 to calculate respectively the illness index of each treatment, prevention...

Embodiment 1

[0051] Example 1: 31% oxaconazole · bromthalonil suspension concentrate

[0052] Fexazone 30%

[0053] Bromothalonil 1%

[0054] Sodium methylnaphthalenesulfonate formaldehyde condensate (dispersant) 10%

[0055] Xanthan gum (thickener) 2%

[0056] Bentonite (thickener) 1%

[0057] Sodium lauryl sulfate (wetting agent) 3%

[0058] Glycerol (antifreeze) 5%

[0059] Water Make up to 100%.

[0060] Active components, dispersant, wetting agent, water and other components are uniformly mixed according to the ratio of the formula, and after grinding and / or high-speed shearing, a 31% oxaconazole-bromothalonil suspension concentrate is obtained.

[0061] This embodiment is applied to the prevention and treatment of wheat powdery mildew. 31% oxaconazole · bromothalonil suspension was diluted and sprayed with 180g a.i. / ha (active ingredient gram / hectare) with water, and the control effects were 92.8% and 91.7% 7 days and 14 days after the application. 22.5% oxafluconil wettable ...

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Abstract

The invention relates to a bactericidal composition comprising the active components including famoxadone and bromothalonil, and auxiliary components which are allowable and acceptable in the pesticides. The mass ratio of the famoxadone to the bromothalonil is 30:1-1:50, preferably 5:1-1:20. The bactericidal composition can be prepared into any dosage form suitable for the agriculture by the known method and the preferred dosage form is wettable powder, emulsifiable concentrates, suspending agents, water dispersible granules, emulsion in water and microemulsion. The bactericidal composition has obvious synergistic effect and is mainly used for controlling powdery mildew and rust diseases.

Description

technical field [0001] The invention relates to a bactericidal composition, in particular to a compound bactericidal composition containing oxafeconone. Background technique [0002] Powdery mildew is a plant disease caused by the fungus Erysiphacesae. Powdery mildew is prone to variation, and there are different physiological races within the species. With the long-term use of conventional agents, the resistance of powdery mildew bacteria is becoming more and more serious, and the control effect is declining. Moreover, the enhanced resistance of pathogens leads to frequent application of pesticides and increases the burden on farmers and environmental pollution. Therefore, it is urgent to find new fungicides with high efficiency, safety and environmental protection. [0003] Rust is a class of plant diseases caused by the parasitism of fungi of the order Rust. Rust is widely distributed and harmful, and it is more common in cereal crops, leguminous plants and pears. Th...

Claims

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Application Information

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IPC IPC(8): A01N43/76A01N37/34A01P3/00
Inventor 程凯张承来桂艳男刘忠义曹明章孔建
Owner DONGGUAN RUIDEFENG BIO TECH
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