Sanitary insecticidal composition containing bacillus sphaericus and organophosphorus

A technology of Bacillus sphaericus and insecticidal composition, which is applied in the direction of insecticides, biocides, animal repellents, etc., can solve the problems of reduced drug efficacy and slow development of pest drug resistance, achieve stable drug efficacy, and improve complex With insecticidal effect, the effect of increasing the site of action

Inactive Publication Date: 2020-06-19
江苏功成生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although organophosphorus insecticides have been used for a long time and their efficacy has decreased compared with the original ones, relatively speaking, the development of resistance to them by pests is relatively slow, and they are still widely used

Method used

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  • Sanitary insecticidal composition containing bacillus sphaericus and organophosphorus
  • Sanitary insecticidal composition containing bacillus sphaericus and organophosphorus
  • Sanitary insecticidal composition containing bacillus sphaericus and organophosphorus

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] Centrifuge the 300ITU / mg Bs H5a5b liquid master drug at 6000r / min for 30min to obtain the master drug powder cake, and then use an appropriate amount of white carbon to absorb the Bs master powder of 2000ITU / mg. The Bs master powder described in the following granules is prepared by this method have to;

[0056] Mix 2.5g of 2000ITU / mg Bs master powder, 5.0g of sodium lignosulfonate, 2.5g of dithion, 5.0g of white carbon black, and 0.2g of sodium hydroxide, and airflow pulverize to obtain powder, and 15g of ethylene glycol After fully wetting 69.8g of corncob granules, add the above-mentioned powder, roll and absorb evenly, and let it stand for 24 hours to obtain 5.0% Bs. Tetraphos granules.

Embodiment 2

[0058] Mix 3.0g of 2000ITU / mg Bs mother powder, 5.0g of sodium lignosulfonate, 1.5g of fenthion, 5.0g of white carbon black, and 0.2g of sodium hydroxide, and pulverize them by airflow to obtain powder, and fully moisten 15g of glycerin After wetting 70.3g of coal gangue particles, add the above-mentioned powder to roll and absorb evenly, and after standing for 24 hours for adsorption, 4.5% Bs.fenthion granules were obtained.

Embodiment 3

[0060] Mix 3.5g of 2000ITU / mg Bs master powder, 5.0g of sodium lignosulfonate, 3.5g of pyrimiphos-methyl, 5.0g of white carbon black, and 0.2g of sodium hydroxide. After wetting 67.8g of red brick granules, add the above-mentioned powder, roll and absorb evenly, and let it stand for 24 hours to obtain 7.0% Bs. pirimiphos-methyl granules.

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Abstract

The invention relates to a sanitary insecticidal composition containing bacillus sphaericus and methyl thiophosphate, wherein the active component B is any one or more of methyl thiophosphate insecticides including temephos, fenthion, pirimiphos-methyl and fenitrothion, the weight ratio of the two active components is (20:1)-(1:20), and the content of the 2000 ITU/mg bacillus sphaericus mother drug is set as 100%. Compared with a single agent, the composition has a remarkable synergistic effect, has the improved insecticidal effect, and is the drying-free granules prepared by adopting a special method, so that the biological activity of bacillus sphaericus is reserved to the greatest extent, the activity exertion of biological agents and chemical agents is remarkably promoted, and the compound preparation is convenient to use and is particularly suitable for preventing and treating sanitary mosquito larvae in actual use.

Description

technical field [0001] The present invention relates to the field of hygienic insecticides, in particular to a hygienic insecticidal composition containing Bacillus sphaericus and organophosphorus insecticides, in particular to a hygienic insecticidal composition containing Bacillus sphaericus and methyl phosphorothioate . Background technique [0002] Mosquitoes belong to the family Insecta Diptera, and there are about 3,300 species in the world. They are tiny flying insects with piercing-sucking mouthparts. Mosquitoes are insects that undergo complete metamorphosis, and their life cycle can be divided into four stages: egg, larva, pupa, and adult. Usually the females feed on blood, while the males drink the sap of plants. Mosquitoes are found on every continent except Antarctica. Among them, Anopheles, Aedes and Culex are the most famous. The main hazard of mosquitoes is the transmission of diseases, followed by biting, which causes discomfort to people. According to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N63/22A01N57/14A01N57/16A01N25/12A01P7/04
CPCA01N25/12A01N57/14A01N57/16
Inventor 姚志牛郭丽琴潘利东徐继华
Owner 江苏功成生物科技有限公司
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