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Biologically-chemically synergistic bactericidal suspension and preparation method thereof

A synergistic and suspending agent technology, applied in botany equipment and methods, chemicals for biological control, fungicides, etc., to achieve the effects of reducing costs, delaying drug resistance, and good environmental compatibility

Inactive Publication Date: 2011-01-19
JIANGSU DONGBAO AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a kind of bio-chemical synergistic fungicide with suspending agent as the product dosage form in view of the extreme lack of high-efficiency and broad-spectrum disease pesticides and the various shortcomings of existing pesticide single agents.

Method used

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  • Biologically-chemically synergistic bactericidal suspension and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Feeding ratio Example 1: 20% Jinggangmycin Thiofuramide Suspending Concentrate

[0019] Jinggangmycin 14%

[0020] Thiofuramide 6%

[0021] Nonylphenol polyoxyethylene ether (NP-9) (dispersion wetting agent) 8%

[0022] Propylene glycol (antifreeze) 1%

[0023] Xanthan gum (thickener) 1%

[0024] Silicone defoamer (SAG612) 2%

[0025] Water (filler) 68%

[0026] Feeding ratio embodiment 2: 15% Jinggangmycin Thiofuramide suspension concentrate

[0027] Jinggangmycin 10%

[0028] Thiofuramide 5%

[0029] Sodium polyoxyethylene tristyrene phenyl phosphate (dispersion wetting agent) 10%

[0030] Glycerol (antifreeze) 3%

[0031] Magnesium aluminum silicate (thickener) 3%

[0032] Silicone defoamer (SAG612) 1%

[0033] Water (filler) 68%

Embodiment 3

[0034] Feeding ratio embodiment 3: 50% Jinggangmycin Thiofuramide suspension concentrate

[0035] Jinggangmycin 20%

[0036] Thiofuramide 30%

[0037] Calcium alkylnaphthalene sulfonate (dispersion wetting agent) 5%

[0038] Sodium polyoxyethylene tristyrene phenyl phosphate (dispersion wetting agent) 10%

[0039] Glycol (antifreeze) 2%

[0040] Magnesium aluminum silicate (thickener) 5%

[0041] Silicone defoamer (SAG612) 2%

[0042] Water (filler) 26%

[0043] Put Jinggangmycin, Thiofuramide, dispersing wetting agent, antifreeze agent, thickener, defoamer, and filler in the above three proportions into the enamel stirring tank, mix well, and then pulverize or After being ground by a sand mill, they are mixed evenly to prepare three kinds of finished products respectively, which are used in field efficacy tests for preventing and controlling rice sheath blight, and the average control effect reaches 80%.

[0044] In the following table, 20% Jinggangmycin Thiofuramide S...

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Abstract

The invention discloses a biologically-chemically synergistic bactericidal suspension, which relates to the technical field of biologically-chemically synergistic bactericide compositions. The biologically-chemically synergistic bactericidal suspension comprises the active ingredients of jingangmycin and thifluzamide, and further comprises a dispersion wetting agent, an antifreeze agent, a thickening agent, an antifoaming agent and a filler, wherein the content of the jingangmycin is 2 to 20 percent based on the total mass of the suspension; and the content of the thifluzamide is 1 to 30 percent based on the total mass of the suspension. A jingangmycin and thifluzamide-containing bactericide in form of wettable powder or suspension can be prepared by adding the raw materials into an enamel stirred tank for uniform mixing and then performing jet-milling or grinding. Due to the compounding of the jingangmycin and the thifluzamide, the bactericidal suspension has the characteristics of low toxicity, less residue, broad insecticidal spectrum, high persistence, low cost, and particularly pollution-free prevention and control, and is a relatively more ideal pesticide for preventing and controlling various diseases of rice.

Description

technical field [0001] The invention relates to the technical field of bio-chemical synergistic fungicide combination. Background technique [0002] Rice sheath blight is an important disease of rice, with an annual incidence of over 100 million mu, which is a serious obstacle to high and stable rice yields in my country. The realization of pollution-free biological control of rice diseases is the development direction and goal of the field of agricultural plant protection. In recent years, although the state has explicitly prohibited the use of highly toxic pesticides on rice, it is still common to use highly toxic and high-residue pesticides in the actual agricultural production process due to the lack of highly effective disease control agents. Low-residue new pesticides are an inevitable development trend. [0003] Jingangmycin is a water-soluble antibiotic-glucoside compound produced by Streptomyces waterus var. Jinggang. There are 6 components in total, the main act...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/78A01N43/16A01N25/04A01P3/00
Inventor 孙红军张友明南艳童振祥徐开云
Owner JIANGSU DONGBAO AGROCHEM
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