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Bactericidal composition containing fluazinam

A composition, the technology of fluazinam, applied in the field of bactericidal composition, can solve the problem of high cost of fluazinam, achieve the effect of improving drug efficacy, reducing residues and environmental pollution, and improving control effect

Active Publication Date: 2010-02-24
DONGGUAN RUIDEFENG BIO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the cost of using fluazinam alone is relatively high, and long-term single and continuous use will have a great risk of resistance

Method used

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  • Bactericidal composition containing fluazinam
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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0019] Biological Assay Example 1: Indoor Toxicity Determination of Fluazinam and Zhongshengmycin Compound to Rhizoctonia solani

[0020] Test object: Rhizoctonia solani.

[0021] Test method: The test adopts the mycelium growth rate method. See Table 1 for the test agent. Take 5ml of the drug solution and add it to an Erlenmeyer flask equipped with 45ml of hot medium (PDA medium, 45-50°C). After shaking well, quickly pour it into a 90mm diameter glass petri dish. Pour 12ml of drug-containing culture medium into the dish, 4 replicates for each treatment, place it horizontally, and form a flat plate after cooling, and mix an equal amount of sterile water with the culture medium as a control. Use a 5mm diameter punch to cut the fungus cake from the edge of the test bacteria that has been cultured for 2 days, and connect the side with mycelium to the poisonous medium with a pick needle. All operations are performed aseptically on the ultra-clean workbench. After treatment, plac...

example 2

[0034] Biological Assay Example 2: Indoor Toxicity Determination of Fluazinam and Zhongshengmycin Compound on Tomato Damping-off Pathogen

[0035] Subject: Tomato damping-off fungus (Phythium aphnidermatum)

[0036] Test method and statistical analysis method are the same as biological assay example 1

[0037] It can be seen from Table 2 that when the ratio of fluazinam and Zhongshengmycin is between 1:1 and 50:1, the co-toxicity coefficients are all above 200, which has a synergistic effect on tomato damping-off, especially When the ratio is between 2:1 and 35:1, the co-toxicity coefficient is above 400, and the synergistic effect is more significant. See Table 2 for details

[0038] Table 2 Indoor toxicity test results of fluazinam·Zhongshengmycin compound against tomato damping-off pathogen

[0039] deal with

[0040] Fluazinam: Zhongshengmycin

[0041] The bactericidal composition of the present invention can be prepared into any dosage form suitabl...

Embodiment 1

[0042] Example 1: 3% Fluazinam Zhongshengmycin Suspension Concentrate

[0043] Fluazinam 2%

[0044] Zhongshengmycin 1%

[0045] Sodium methylnaphthalenesulfonate formaldehyde condensate (dispersant) 10%

[0046] Xanthan gum (thickener) 2%

[0047] Bentonite (thickener) 1%

[0048] Sodium lauryl sulfate (wetting agent) 3%

[0049] Glycerol (antifreeze) 5%

[0050] Water Make up to 100%.

[0051] Active components, dispersant, wetting agent, water and other components are uniformly mixed according to the formula ratio, and after grinding or high-speed shearing, a 3% fluazinam·zhongshengmycin suspension concentrate is obtained.

[0052]This embodiment is applied to control tomato damping-off. 3% fluazinam · Zhongshengmycin suspension concentrate is diluted with water at 30 g / ha of active ingredient to irrigate the roots, and the control effects are 94.1% and 92.4% 7 days and 14 days after application. 50% fluazinam suspending agent according to active ingredient 200 g / ha...

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Abstract

The invention relates to a bactericidal composition comprising the effective components of fluazinam and mesopoion rhzomorph. The two effective components can carry out synergistic acting so as to reduce the application quantity and lower the resistibility risk. The invention is suitable for preventing and treating various diseases on melons, fruits and vegetables and is especially suitable for preventing and treating compound type diseases caused by fungi and bacteria on the melons, the fruits and the vegetables.

Description

technical field [0001] The invention relates to a bactericidal composition, in particular to a bactericidal composition containing fluazinam. Background technique [0002] In recent years, due to unscientific farming methods and unreasonable medication strategies, field diseases such as cucumber horn spot, root rot, bacterial wilt and other fungal and bacterial diseases have become more and more serious. prevention effect. [0003] Fluazinam is a newly created 2,6-dinitroaniline compound. It is a broad-spectrum protective fungicide, resistant to rain and long-lasting. It is very effective against soil-borne and air-borne diseases caused by Alternaria, Botrytis, Phytophthora, Plasmodium, and Sclerotinia, such as cucumber gray mold, rot, downy mildew, anthracnose powdery mildew, root rot, tomato late blight, apple scab, leaf spot, pear black spot, rust, rice sheath blight, grape gray mold, downy mildew, citrus scab, potato late blight , lawn spot disease, etc. [0004] How...

Claims

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Application Information

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IPC IPC(8): A01N47/18A01N43/40A01P3/00
Inventor 程凯张承来刘胜召刘忠义桂艳男孔建
Owner DONGGUAN RUIDEFENG BIO TECH
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