Majoram essential oil preparation as well as preparation method and application thereof

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

Active Publication Date: 2018-11-02
NORTHWEST A & F UNIV
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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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  • Majoram essential oil preparation as well as preparation method and application thereof
  • Majoram essential oil preparation as well as preparation method and application thereof
  • Majoram essential oil preparation as well as preparation method and application thereof

Examples

Experimental program
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Effect test

preparation example Construction

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

[0024] The whole herb of oregano was purchased fresh and dried from Zhongxiang Natural Products Company in Ji'an City, Jiangxi Province.

[0025] In order to improve the stability of the pesticide 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 a...

Embodiment 1

[0041] Example 1: Preparation and application of 10% oregano essential oil hot mist

[0042] 10% oregano essential oil thermal mist weight percentage: oregano essential oil: 10%, Nongru 0201-B: 5% to 35%, N,N-dimethylformamide: 5% to 35%, turpentine: 5% ~20%, and the rest is made up to 100% by methyl naphthalene.

Embodiment 2

[0043] Example 2: Preparation and application of 15% oregano essential oil hot mist

[0044] 15% oregano essential oil thermal mist weight percentage: oregano essential oil: 15%, Nongru 0201-B: 5% to 35%, N,N-dimethylformamide: 5% to 35%, soybean oil: 5% % to 20%, and the rest is made up to 100% by methyl naphthalene.

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PUM

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Abstract

The invention discloses a majoram essential oil preparation as well as a preparation method and application thereof, and application of majoram essential oil to preparation of medicines for preventingand controlling thysanoptera insect pests on crops. The active component of the preparation is the majoram essential oil, and the content of the majoram essential oil in the preparation is 10 to 20 percent by mass. Pesticide containing the majoram essential oil can prevent and control various thrips, comprises sufficient raw materials, is easy to process and low in cost, is not liable to generatemedicine resistance, can improve the immune system capability of crops, and is a pollution-free plant-derived thrip preventing and control agent which is safe for human and livestock and is pollution-free to environment.

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 an application thereof. Background technique [0002] Thrips is a general term for insects of the thrips family (Thripida) in the order Thysanoptera. It is small in size, strong in concealment and fast in reproduction. Thrips mainly damage a variety of grains, fruits and vegetables, flowers and gardening. In recent years, the occurrence and spread of thrips have been increasing 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 been increased. Therefore, it is necessary to develop n...

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 NORTHWEST A & F UNIV
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