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Sterilizing composition

A composition, carbendazim technology, applied in the directions of fungicides, biocides, biocides, etc., can solve the problems of difficulty in popularization and application, high production and use costs, and achieve the effects of improving the control effect, reducing the dosage and reducing pollution.

Inactive Publication Date: 2010-01-20
山东兆丰年生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Since benzamid is a newly developed fungicide, the current production and use costs are relatively high, and it is difficult to widely promote and apply it in the market
In addition, long-term use of benzamid alone will also have a great risk of resistance

Method used

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  • Sterilizing composition
  • Sterilizing composition

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0018] Through a large number of mixing tests, the inventor found that a combination of benzamid and other active ingredients thiophanate-methyl, carbendazim, and prochloraz had a significant synergistic effect on powdery mildew and Botrytis cinerea , not just the simple addition of two agents, specifically illustrated with the following biological assay examples. Bioassay Example 1: Pot test of benzamid and prochloraz on wheat powdery mildew

[0019] Test object: Wheat powdery mildew (Blumeria graminis) collected from the field

[0020] Test method: potted plant method. Select wheat seedlings at the three-to-four-leaf stage with consistent growth vigor, and use 3 pots for each treatment, numbered for future use. Wheat powdery mildew diseased leaves collected from the field were evenly shaken off the conidia on the wheat seedlings for inoculation, and 24 hours later, the pesticide treatment was carried out. See Table 1 for the test pesticides. Spray with a Potter spray towe...

example 2

[0031] Biological Assay Example 2: Indoor Toxicity Determination of Botrytis cinerea B.

[0032] Test object: Cucumber Botrytis cinerea collected from the field

[0033] Test method: mycelial growth rate method. Cucumber Botrytis cinerea was cultivated with PDA medium. When the bacterial colony was just overgrown with the petri dish, a puncher with an inner diameter of 7 mm was punched from the edge, and the resulting mycelium block was used as an inoculum. Take 5 mL of the prepared drug solution and mix them with quantitative 75 mL of sterilized medium to make 4 drug-containing plates, and use the same amount of sterile water mixed with the medium as a control. The mycelium block was placed upside down and placed in the center of the plate, and cultured in a 28°C incubator. After 7 days, the diameter of the colony was measured by the cross method, and the net growth of the colony and the inhibition rate of mycelium growth of each treatment were calculated.

[0034] Net gro...

Embodiment 1

[0042] Embodiment 1: 25.5% benzamid · prochloraz suspension concentrate

[0043] Benzamid 25%

[0044] Prochloraz 0.5%

[0045] Sodium methylnaphthalenesulfonate formaldehyde condensate (wetting and dispersing agent) 6%

[0046] Xanthan gum (thickener) 5%

[0047] Bentonite (thickener) 2%

[0048] Glycerol (antifreeze) 5%

[0049] Water Make up to 100%.

[0050]Mix the active ingredient, wetting agent, dispersant, thickener, antifreeze agent and water according to the ratio of the formula, and grind and / or high-speed shear to obtain 25.5% benzamid prochloraz Amine Suspending Agent.

[0051] This embodiment is applied to the prevention and treatment of wheat powdery mildew. 25.5% benzamid prochloraz suspension was diluted with water and sprayed at 200ga.i. / ha [a.i., active ingredient; ha, hectare], and the control effect was 89.7% 7 days after application. 250g a.i. / ha of 24% benzamid suspension and 250g a.i. / ha of 25% prochloraz EC were diluted with water and sprayed. ...

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PUM

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Abstract

The invention relates to a sterilizing composition, effective components of which contain toluamide (A) and one (B) of thiophonate-methyl, sanmate, benomyl, probenazole and prochloraz, and the balance of acceptable auxiliary elements permitted to use in pesticides, wherein the mass ratio of A to B is 50 to 1-1 to 50. The composition can be made into wettable powder, a suspending agent, an oil suspending agent and aqueous dispersion granules and is used for controlling diseases of wheat, vegetables, fruit trees and the like.

Description

technical field [0001] The invention relates to a bactericidal composition, in particular to a synergistic bactericidal composition containing benzamid. Background technique [0002] Chemical control is still the main means of controlling plant diseases. However, some conventional agents, such as metalaxyl, dimethomorph, pyrimethanil, etc., have developed drug resistance due to long-term single use, and the control effect has declined. [0003] Zoxamide is a highly effective protective amide fungicide with a long duration and good resistance to rain erosion. Its mechanism of action is unique. tube cytoskeleton to inhibit sclerotin division. It is mainly used to control oomycete diseases such as blight and downy mildew, and is also effective against gray mold and powdery mildew. [0004] Since benzamid is a newly developed fungicide, its current production and use costs are relatively high, making it difficult to widely promote and apply it in the market. In addition, lon...

Claims

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Application Information

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IPC IPC(8): A01N47/38A01N37/20A01N47/34A01N47/18A01N43/78A01P3/00
Inventor 刘胜召张承来曹明章张洪殷如龙孔建
Owner 山东兆丰年生物科技有限公司
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