A kind of natural inhibitor for effectively preventing and treating chrysanthemum root rot and preparation method thereof

A technology of root rot and chrysanthemum, which is applied in the field of natural inhibitors for effective prevention and treatment of chrysanthemum root rot and its preparation. It can solve the problems of potential drug resistance risks, unretrieved invention patents, and chrysanthemum pesticide residues, etc., to achieve preparation and extraction The method is simple and easy to implement, with good application prospects and the effect of improving quality

CN109874811BActive Publication Date: 2020-12-25HUBEI UNIV OF CHINESE MEDICINE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Publication Date
2020-12-25

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Abstract

The invention relates to a natural inhibition agent for chrysanthemum root rot diseases and a preparation method thereof, and belongs to the field of plant source preparation sterilization. The commonuse traditional Chinese medical materials of folium artemisiae argyi are ground into powder; then, an ethanol solution is used as an extraction agent; twice heating ethanol extraction, concentration,and freeze drying are performed to obtain powdery extracts; the powdery extracts are diluted for proper times; then, root irrigation or spraying application is performed. By using the technical scheme, the natural inhibition agent can be used for effectively preventing and treating the chrysanthemum root rot diseases; the advantages of low cost, high safety, high efficiency, no pesticide residue,no heavy metal pollution and the like are realized; the environment-friendly effects are achieved on soil and ecological environments; the characteristics of ecological and environment-friendly effects are achieved; an effective path is provided for the green ecological culture of chrysanthemum.
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Description

technical field

[0001] The invention belongs to the field of bactericidal plant source preparations, in particular to a natural inhibitor for effectively preventing and treating chrysanthemum root rot and a preparation method thereof. Background technique

[0002] The information disclosed in this background section is only intended to increase the understanding of the general background of the present invention, and is not necessarily taken as an acknowledgment or any form of suggestion that the information constitutes the prior art already known to those skilled in the art.

[0003] Chrysanthemum is a commonly used traditional Chinese medicine and ornamental flower in China. It is widely planted throughout the country and has remarkable economic and social benefits. In the planting and production of chrysanthemums, root rot is the main field disease, which mainly harms the roots of chrysanthemums, causing the roots to rot, the function of absorbing water and nutrients is g...

Examples

preparation example Construction

[0047] Above-mentioned moxa powder is made into extract, and its preparation method comprises steps as follows:

[0048] (1) taking moxa powder as a raw material, placing the raw material and ethanol solution in an extraction container;

[0049] (2) Soak and extract for 24 hours;

[0050] (3) Ultrasonic extraction of the soaking solution for 30 minutes;

[0051] (4) filtering the soaking solution after ultrasonic;

[0052] (5) Add the filter residue and ethanol solution to the extraction vessel and ultrasonically for 30 minutes;

[0053] (6) The secondary soaking liquid is filtered, and the filtrate is merged with the primary filtrate;

[0054] (7) Put the soaking liquid into the suction filtration device for suction filtration;

[0055] (8) concentrating the suction filtrate under reduced pressure on the concentration equipment to obtain the paste-like moxa powder extract;

[0056] (9) freeze-drying the paste extract after concentration;

[0057] In above-mentioned steps ...

Embodiment 1

[0068] A. Grind the dried mugwort leaves harvested in the same year in a Chinese herbal medicine grinder at a speed of 5000r / min; pass through a 40-mesh sieve after powdering, remove the leaf velvet part on the sieve, and keep the leaf powder part, namely: mugwort powder.

[0069] B. The above-mentioned moxa powder is made into an extract, and the steps are as follows:

[0070] (1) Taking moxa powder as a raw material, placing the raw material and ethanol solution (50% in volume concentration) in an extraction container, the solid-liquid ratio of the raw material and ethanol is 1:5;

[0071] (2) Soak and extract for 24 hours, fully shake once every 6 hours during the soaking process;

[0072] (3) ultrasonically extract the soaking liquid for 30 minutes, the working power of the ultrasonic instrument is 240W, and the temperature is 25°C;

[0073] (4) Filter the soaking solution after the ultrasound, and filter the soaking solution using a filter bag;

[0074] (5) Add the filt...