Bacteriostat and insecticide contg. extraction of silicicole pagoda-tree, and its prepn. method

A technology for pesticides and extracts, applied in the field of plant-derived biological pesticides, can solve the problems of lack of bacteriostasis of Sophora japonica extracts, preparation methods of pesticides, etc., and achieve no environmental pollution, no drug resistance, and easy decomposition. Effect

Inactive Publication Date: 2007-02-14
LANZHOU UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Chinese patent 200310105837.4 discloses that Sophora japonica can be used as a bacteriostatic and insecticide application of plants, but it is limited to the determination of plant insecticidal and bacteriostatic activity of Sophora japonica extr...

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment 2

[0034] Add 30Kg of Sophora japonica extract, Nongru 500#3Kg, Ningru 34#7Kg, OP-15#10Kg, ethylene glycol 5Kg into a 300L reaction kettle, stir rapidly at 40-60°C, and dissolve the obtained solvent Add it dropwise into water, and stir at constant temperature for 1 hour to obtain a homogeneous emulsion, which is 100Kg of sandy locust thick emulsion. Diluted 500 times for use.

specific Embodiment 3

[0035] Add 10Kg of Sophora japonica extract, Nongru 500# 3Kg, Ningru 34# 7Kg, Tween 3Kg, ethylene glycol 10Kg in a 300L reaction kettle, stir rapidly at 40-60°C, and add the obtained solvent dropwise In water, stir at constant temperature for 1 hour to obtain a homogeneous emulsion that is 100Kg of Sophora japonica microemulsion. Diluted 100 times for use.

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PUM

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Abstract

An antibacterial insecticide in the form of emulsified oil, concentrated emulsion and microemulsion is prepared from the extract of the silicicole scholartree (10-60%) and assistant (40-90%).

Description

technical field [0001] The invention relates to a bacteriostatic and insecticide extract of Sophora japonica and a preparation method thereof. The bacteriostatic and insecticide is used for preventing and controlling plant diseases and insect pests, and belongs to the technical field of botanical biological pesticides. Background technique [0002] Sand-born Sophora japonica, also known as Tibetan Sophora japonica, belongs to the genus Sophora genus of Fabaceae. Perennial dwarf shrub, branchlets densely gray pubescent, stem tips and stipules hardened into pointed long spines, with 1-7 seeds, endemic to my country. Produced in Bomi, Nyingchi, Lhasa, Shannan and Shigatse counties in Tibet, it is a unique perennial dwarf leguminous shrub distributed in the south valley of Tibet in my country. It is a plant that can grow in alpine and barren areas. It has drought resistance, It is resistant to barrenness, likes dryness and warmth, resists wind and sand, has strong adaptability a...

Claims

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Application Information

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IPC IPC(8): A01N65/00A01N65/20
Inventor 李红玉马兴铭支德娟陆晓民
Owner LANZHOU UNIVERSITY
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