Application of a bisabolane-type sesquiterpene compound in the control of larvae

A compound and larvae technology, which is applied to the application field of bisabolane-type sesquiterpenoids in the prevention and control of larvae, can solve problems such as the prevention and control of unseen hygienic pests, and achieves that it is difficult to produce drug resistance, reduce infection and outbreak, and avoid Effects of side effects

Active Publication Date: 2020-12-11
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The various compounds contained in the above turmeric have not been used in the control of sanitary pests

Method used

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  • Application of a bisabolane-type sesquiterpene compound in the control of larvae
  • Application of a bisabolane-type sesquiterpene compound in the control of larvae
  • Application of a bisabolane-type sesquiterpene compound in the control of larvae

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0059] Application of bisabolane-type sesquiterpenoids extracted from turmeric to the control of Culex palustris larvae

Embodiment 11

[0061] Select the compound (turmeronol A) of bisabolane type sesquiterpene No. 1, that is, compound No. 1. Dissolve 100mg of compound No. 1 in 1ml DMSO to prepare 100mg ml -1 The solution, and then according to the required solution concentration ratio (DMSO content in the prepared solution is very small), it is prepared into 50, 100, 150, 200μg ml -1 Concentration for use. The larvae to be tested are the 4th instar larvae of Culex palustris, first add a certain amount of deionized water into the beaker, and then introduce 10 healthy and strong 4th instar larvae of Culex palustris; dilute the sample to be tested with DMSO to a certain concentration The mother liquor of the solution is then added to a small beaker filled with deionized water, so that the final concentration of DMSO in the aqueous solution is 1% (v / v), and the beaker is slightly shaken after adding to disperse the medicament in water. After the treatment, the beaker was placed under the conditions of temperatu...

Embodiment 12

[0063] With the compound (turmeronol B) of No. 2, namely No. 2 compound, replace No. 1 compound, all the other are the same as embodiment 1.1, the result shows that No. 2 compound prevents and cures the LC obtained by measuring the larvae of Culex pachypis larvae. 50 136.10 μg ml -1 .

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Abstract

The invention discloses an application of red myrrh alkane-type sesquiterpene compounds in preventing wigglers. Further, the red myrrh alkane-type sesquiterpene compounds comprise one or more selected from a group consisting of turmeronol A, turmeronol B, 8-hydroxyl-ar-turmerone, alpha-curcumene and (+)-(S)-ar-turmerone, and all can be obtained by separation extraction from Curcuma longa plants, so that the red myrrh alkane-type sesquiterpene compounds are beneficial for the research of novel plant-source pesticides, can be used to effectively manage wigglers and reduce the transmission and burst of mosquito-borne diseases, has the characteristics of low toxicity, low pollution and ability of enabling targets to not easily generate pesticide resistance, and avoids a series of side effects of chemical pesticides.

Description

technical field [0001] The invention relates to botanical pesticides in the technical field of hygienic insecticides, in particular to the application of a bisabolane-type sesquiterpene compound in the control of larvae. Background technique [0002] Mosquitoes are a kind of worldwide health pests, and they are the vectors of malaria, viral encephalitis, yellow fever, dengue fever and other diseases. At present, the means of controlling mosquitoes on the market mainly rely on chemical pesticides. Biological pesticides are mostly used in the control of adult mosquitoes. For the control of larvae, there are only Bacillus thuringiensis and Bacillus sphaericus, and plant-derived pesticides are blank. In addition, due to the extensive use and abuse of insecticides, insects are resistant to insecticides to varying degrees. Therefore, the research and development of new green pesticides is very necessary. Botanical pesticides have become a current research hotspot due to their low...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N35/02A01N35/06A01N27/00A01N31/06A01N43/90A01N31/08A01P7/04
CPCA01N27/00A01N31/06A01N31/08A01N35/02A01N35/06A01N43/90
Inventor 代光辉刘佳张敏傅伟杰
Owner SHANGHAI JIAO TONG UNIV
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