Drug for control of dendrobium nobile black spot and preparation method thereof

A technology of Dendrobium nobile and black spot disease, which is applied in botany equipment and methods, pest control, biocide, etc., can solve problems such as unsatisfactory control effect, drug residue environment, and lower quality of Dendrobium, so as to improve the resistance Disease ability, control black spot, improve yield and quality

Inactive Publication Date: 2018-05-18
CHISHUI YICHENG BIOTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, in the prior art, fungicides such as carbendazim, rickella, and hymexazol are used to prevent and treat Dendrobium nobile black spot, but the control effect is not ideal, and it is easy to cause drug residues and environmental pollution, reducing the quality of Dendrobium nobile , as disclosed in patent CN20141 0721900.5, a method for preventing and treating dendrobium black spot

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A medicine for preventing and treating black spot of Dendrobium nobile. The raw materials are by weight: 40g of rhubarb, 20g of cumin, 20g of unicorn, 15g of boluohui, 5g of atractylodes macrocephala, 10g of tea saponin, and 12g of cecropin.

[0020] The preparation method of the medicine of preventing and treating Dendrobium nobile black spot of the present invention, comprises the following steps:

[0021] (1) Get rhubarb, cumin, unicorn lotus, Bo Luohui, and Atractylodes macrocephala to mix, pulverize to obtain 60 mesh coarse powder, put the coarse powder in the extraction kettle, and import carbon dioxide supercritical fluid into the extraction kettle, and extract the mixture at 10MPa and extraction temperature Extract at 28°C and flow rate of carbon dioxide at 10kg / h, and obtain a supercritical extract after 1 hour of extraction;

[0022] (2) Take tea saponin and antimicrobial peptides and mix them with the extract obtained in step (1) in parts by weight.

[0023]...

Embodiment 2

[0025] A medicine for preventing and treating black spot of Dendrobium nobile. The raw materials are by weight: 50g of rhubarb, 30g of cumin, 30g of unicorn, 20g of boluohui, 10g of atractylodes macrocephala, 15g of tea saponin, and 18g of cecropin.

[0026] The preparation method of the medicine of preventing and treating Dendrobium nobile black spot of the present invention, comprises the following steps:

[0027] (1) Get rhubarb, cumin, unicorn lotus, Boluohui, and Atractylodes macrocephala to mix, pulverize to obtain 80 mesh coarse powder, put the coarse powder in the extraction kettle, and import carbon dioxide supercritical fluid in the extraction kettle, and extract at 20MPa and extraction temperature Extraction is carried out at 34°C and the flow rate of carbon dioxide is 20kg / h, and the supercritical extract is obtained after extraction for 2 hours;

[0028] (2) Take tea saponin and antimicrobial peptides and mix them with the extract obtained in step (1) in parts by ...

Embodiment 3

[0031] A medicine for preventing and treating black spot of Dendrobium nobile. The raw materials are by weight: 45g of rhubarb, 28g of cumin, 25g of unicorn, 19g of boluohui, 8g of atractylodes macrocephala, 15g of tea saponin, and 17g of cecropin.

[0032] The preparation method of the medicine of preventing and treating Dendrobium nobile black spot of the present invention, comprises the following steps:

[0033] (1) Get rhubarb, cumin, unicorn lotus, Boluohui, and Atractylodes macrocephala to mix, pulverize to obtain 80 mesh coarse powder, put the coarse powder in the extraction kettle, and import carbon dioxide supercritical fluid into the extraction kettle, and extract the mixture at 30MPa and extraction temperature Extract at 36°C and flow rate of carbon dioxide at 30kg / h, and obtain supercritical extract after 2 hours of extraction;

[0034] (2) Take tea saponin and antimicrobial peptides and mix them with the extract obtained in step (1) in parts by weight.

[0035] T...

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Abstract

Belonging to the technical field of dendrobium nobile pest and disease control, the invention provides a drug for control of dendrobium nobile black spot and a preparation method thereof. The drug forcontrol of dendrobium nobile black spot comprises the following raw materials by weight: 40-50 parts of rhubarb, 20-30 parts of cumin, 20-30 parts of typhonium giganteum, 15-20 parts of macleaya cordata, 5-10 parts of bighead atractylodes rhizome, 10-15 parts of tea saponin, and 12-18 parts of antibacterial peptide. The drug is prepared by supercritical extraction of rhubarb, cumin, typhonium giganteum, macleaya cordata and bighead atractylodes rhizome and then blending with tea saponin and antibacterial peptide. The herbal components can form a synergistic effect, and the drug can effectively prevent and control dendrobium nobile black spot.

Description

technical field [0001] The invention belongs to the technical field of disease and insect pest control of Dendrobium nobile, in particular to a medicine for preventing and treating black spot of Dendrobium nobile and a preparation method thereof. Background technique [0002] Dendrobium nobile is a perennial epiphytic herbaceous plant of the Orchidaceae family, which is a perennial epiphytic herbaceous plant, suitable for growth in a cool, humid, and ventilated environment; its stems can be used as medicine, which has the effects of nourishing yin and clearing heat, nourishing the lungs and kidneys, improving eyesight and strengthening the waist , and can also lower blood sugar and enhance the body's immunity. It is a high-value traditional Chinese medicine ingredient. [0003] Dendrobium nobile black spot is one of the common diseases and insect pests in the artificial planting process. It mainly shows as scabs of different colors on the stems and leaves of Dendrobium nobil...

Claims

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Application Information

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IPC IPC(8): A01N65/30A01N65/12A01N65/08A01N65/10A01N65/40A01N47/44A01N43/16A01P3/00A01P21/00
CPCA01N65/00A01N43/16A01N47/44A01N65/08A01N65/10A01N65/12A01N65/30A01N65/40
Inventor 刘文碧
Owner CHISHUI YICHENG BIOTECH CO LTD
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