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An oregano essential oil preparation, and a preparation method and application thereof

A technology of essential oils and preparations, applied in the field of pesticides, can solve problems such as increasing environmental pressure and economic losses, and achieve obvious control effects, less resistance to pesticides, and the ability to sterilize the immune system of crops

Inactive Publication Date: 2018-11-06
HARMLESS PESTICIDE RES & SERVICE CENT XIBEI AGRI FORESTRY SCIEN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In recent years, the occurrence and spread of thrips have increased year by year, and it has become one of the world's important agricultural and forestry pests, causing huge economic losses to agricultural production practices
[0003] At present, the prevention and control of thrips at home and abroad mainly depends on chemical agents, however, the problem of drug resistance is becoming more and more serious, and the pressure on the environment has increased

Method used

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  • An oregano essential oil preparation, and a preparation method and application thereof
  • An oregano essential oil preparation, and a preparation method and application thereof
  • An oregano essential oil preparation, and a preparation method and application thereof

Examples

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preparation example Construction

[0023] The preparation of the oregano essential oil used in the present invention includes: weighing 300g of dried oregano whole herb into a flask, adding 400ml of water, extracting under ultrasonic for 60min, then using a steam distillation device for 2h distillation, and adding a certain amount of distillate to the distillate The dichloromethane is distilled with a rotary evaporator, then, an appropriate amount of anhydrous sodium sulfate is added to absorb water and then filtered to obtain oregano essential oil. Then, make oregano essential oil into a hot mist or soluble liquid.

[0024] Whole oregano was purchased fresh and dried from Zhongxiang Natural Products Company, Ji'an City, Jiangxi Province.

[0025] In order to improve the pesticide stability containing oregano essential oil, the oregano essential oil is prepared into a hot mist or a soluble liquid for use, and the auxiliary agent used in the hot mist or the soluble liquid is at least one of an emulsifier and a s...

Embodiment 1

[0041] Example 1: Preparation and application of 10% oregano essential oil thermal spray

[0042] 10% Oregano Essential Oil Thermal Mist Percentage by Weight: Oregano Essential Oil: 10%, Agricultural Milk 0201-B: 5% to 35%, N,N-Dimethylformamide: 5% to 35%, Turpentine Oil: 5% ~ 20%, the rest is made up to 100% by methyl naphthalene.

Embodiment 2

[0043] Embodiment 2: Preparation and application of 15% oregano essential oil thermal spray

[0044] 15% Oregano Essential Oil Thermal Mist Percentage by Weight: Oregano Essential Oil: 15%, Agricultural Milk 0201-B: 5% to 35%, N,N-Dimethylformamide: 5% to 35%, Soybean Oil: 5 %~20%, and the rest is made up to 100% by methyl naphthalene.

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PUM

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Abstract

An oregano essential oil preparation, and a preparation method and application thereof are disclosed. The application is application of oregano essential oil in preparation of medicines used for controlling thysanoptera pests on crops. An active component of the oregano essential oil preparation is oregano essential oil, and the content of the oregano essential oil in the preparation is 10-20% bymass. A pesticide containing the oregano essential oil can control a plurality of thrips, raw materials are sufficient, processing is easy, the cost is low, drug resistance is not liable to generate,immune system capability of crops can be improved, and the pesticide is a harmless plant-source control agent for thrips that is safe to human and livestock and free of environment pollution.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to an oregano essential oil preparation, a preparation method and applications thereof. Background technique [0002] Thrips is a general term for insects belonging to the family Thripida of the order Thysanoptera. Thrips mainly damage a variety of grains, fruits and vegetables, flowers and gardening. In recent years, the occurrence and spread of thrips have increased year by year, and it has become one of the world's important agricultural and forestry pests, causing huge economic losses to agricultural production practices. [0003] At present, the control of thrips at home and abroad mainly relies on chemical agents. However, the problem of drug resistance is becoming more and more serious, and the pressure on the environment is increased. Therefore, it is necessary to develop new thrip control agents, and botanical pesticides have become a hotspot in the research and develo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/22A01P7/04
CPCA01N65/00A01N65/22Y02A50/30
Inventor 马志卿芦小鹏闫合何军冯俊涛张兴
Owner HARMLESS PESTICIDE RES & SERVICE CENT XIBEI AGRI FORESTRY SCIEN
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