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Bacillus thuringiensis biological pesticide effervescence tablet

A technology of Bacillus aureus and biopesticides, which is applied in the field of preparation of biopesticide formulations, and can solve the problem that the ingredients are limited to the chemical range

Inactive Publication Date: 2005-06-29
UNIV OF SCI & TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, these effervescent tablets are all chemical pesticide formulations, and the ingredients contained are limited to the chemical range

Method used

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  • Bacillus thuringiensis biological pesticide effervescence tablet

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Comparison scheme
Effect test

Embodiment Construction

[0009] (1) The ingredients in Table 1 weigh the raw materials

[0010] Table 1Bt biopesticide effervescent tablet composition (gram)

[0011]

[0012] (2) Mix the above-mentioned raw materials evenly, and press them into tablets with a tablet press;

[0013] (3) Sealed packaging, stored at room temperature, the shelf life is 3 years.

[0014] The toxicity potency of Bt biological pesticide effervescent tablet is 16000--30000IU / mg. When in use, it can be put into a sprayer and disintegrated with water. The salicylic acid and sodium bicarbonate in the tablet will foam when they meet water, and the bubbles will push the effervescent tablet to swim in the water. Uniform suspension, and then sprayed on various crops. You can also throw the Bt biopesticide effervescent tablet directly into the paddy field, and the active ingredients can spread to every part of the paddy field after disintegration. Bt biopesticide effervescent table...

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Abstract

Disclosed is a Bacillus thuringiensis (Bt) biological pesticide effervescence tablet, which comprises Bt biological pesticide raw powder and findings including wetting agent, emulsifying agent, crumbling agent, and binding agent. The constituents include Bt biological pesticide raw powder, lignin sulfonic acidic sodium, stearic acid, 2-hydroxybenzoic acid, sodium hydrogen carbonate, and starch. The invention has the advantages of less contamination, easy transportation, long keeping time and easiness in application.

Description

technical field [0001] The invention relates to the preparation of a biological pesticide dosage form, in particular to the Bacillus thuringiensis biological pesticide. Background technique [0002] At present, Bacillus Thuringiensis (Bt) biopesticide mainly has four dosage forms of powder, wettable powder, emulsion and water suspension. Since Bt biopesticides contain proteins, spores, fermentation residues and other components, emulsions and aqueous suspensions are prone to spoilage, resulting in a short shelf life. However, the powder needs to be sprayed with special medical equipment, which is easy to cause inhalation by the user, and powder drift occurs, polluting the environment. Therefore, the emulsions, aqueous suspensions and powders of Bt are not welcomed by people and are very rare in the market. Bt wettable powder is commonly used, easily soluble in water, and can be applied by spraying. However, it needs to be poured into water and stirred to dissolve before us...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N25/34A01N63/02
Inventor 弓爱君邱丽娜
Owner UNIV OF SCI & TECH BEIJING
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