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Artemisia capillaris extract with antiviral and antifungal activity as well as application of artemisia capillaris extract

A technology of bactericidal activity and artemisia capillary, applied in the field of Artemisia capillary extract, can solve the problems of no plant virus disease related reports, no plant extract insecticide, bactericidal, etc., achieve in vitro passivation and inhibit virus replication, good Preventive and curative effect, the effect of good control effect

Active Publication Date: 2012-07-18
陕西恒田生物农业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] Application in agricultural production: According to the search of the applicant's information, Chinese invention patent 99111062 involves a mosquito-repellent incense, which involves mosquito-repellent incense composed of Artemisia chinensis, nepeta ears, elm skin, and cypress leaves; Chinese invention patents 01130888, 200410091088 and 201110082030 involve Insecticides and fungicides composed of various plant extracts such as Ailanthus ailanthii and Artemisia capillary, but there is currently no report on the use of plant extracts of Artemisia capillary alone in insecticidal and bactericidal aspects, let alone the use of this extract to control Related reports on plant virus diseases

Method used

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  • Artemisia capillaris extract with antiviral and antifungal activity as well as application of artemisia capillaris extract
  • Artemisia capillaris extract with antiviral and antifungal activity as well as application of artemisia capillaris extract
  • Artemisia capillaris extract with antiviral and antifungal activity as well as application of artemisia capillaris extract

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Embodiment 1, the extraction of capillary wormwood powder:

[0045] 1) Remove impurities and roots from the aerial parts (whole plant, including stems, leaves, and seeds) of Artemisia capillaris harvested in winter, and dry them in the sun;

[0046] 2) Pulverize the dried Artemisia capillary with a pulverizer to more than 30 mesh;

[0047]3) Weighing 400 kilograms of the crushed Artemisia annua into a 5000-liter reactor, adding 4000 kilograms of 95% ethanol to percolate and soak overnight;

[0048] 4) Collect the percolation liquid, filter, and concentrate the filtrate under reduced pressure at 65°C to a clear paste with a relative density of 1.10; then add 6 times the amount of water, and refrigerate at 0°C for 24 hours; then filter again, and heat the filtrate at 120°C for 1 hours, refrigerated at 0°C for 24 hours;

[0049] 5) Add 0.2% by weight of activated carbon, filter, and concentrate the filtrate under reduced pressure at 65°C to a clear paste with a relative ...

Embodiment 2

[0050] Example 2 Extraction of Artemisia capillarye liquid:

[0051] 1) Remove impurities and roots from the aerial parts (whole plant, including stems, leaves, and seeds) of Artemisia capillaris harvested in winter, and dry them in the sun;

[0052] 2) Grinding the dried Artemisia capillary with a pulverizer to more than 30 mesh.

[0053] 3) Weigh 400 kg of crushed Artemisia annua into a 5,000-liter reactor, add 4,000 kg of water, start stirring, heat to 80°C, stir and cook for 30 hours, and use ultrasonic waves to assist;

[0054] 4) The above-mentioned mixture is filtered to remove the slag, and the filtrate is distilled at -0.09MPa under reduced pressure to remove 3840 kg of water under the condition of 80-85° C., and the kettle becomes a 20% aqueous solution of Artemisia capillarye liquid.

[0055] Chlorogenic acid is the active substance in Artemisia capillary, and the applicant has found through a large number of studies that in the above-mentioned examples 1 and 2 Art...

Embodiment 3

[0065] Embodiment 3: 10% Capillary Artemisiae aqua (taking 1000 kilograms as example)

[0066]

[0067] Production process: Weigh 500 kg of Artemisia caprifolia liquid extract (active ingredient content 20%) and put it into a 1000-liter reactor, start stirring, heat to 60 degrees Celsius, then add 40 kg of antifreeze propylene glycol, emulsifier OP-10 100 kilograms, 360 kilograms of water, after stirring at 60 degrees Celsius for 1 hour, cool down to normal temperature, test, pack and put into storage after passing the test. For its specific process, see figure 1 .

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Abstract

The invention relates to an artemisia capillaris extract and particularly relates to application of the artemisia capillaris extract as fungicide for controlling plant diseases caused by plant virus and plant fungi. The artemisia capillaris extract prepared by adopting an extraction method of the application has excellent control effect to plant virus diseases and plant fungi diseases.

Description

technical field [0001] The present invention relates to the use of the Artemisia capriculum extract, especially the use of the Artemisia capillary extract as a bactericide for preventing and treating plant virus diseases caused by plant viruses or plant fungal diseases caused by plant fungi. technical background [0002] Artemisia capillaris: Artemisia capillarisThunb [0003] Latin name: Herba Artemisiae Scopariae [0004] Alias: Artemisia chinensis, Artemisia velvet, Ma Xian, mother-in-law Artemisia, wild blue artemisia [0005] Medicinal parts: whole plant [0006] Plant form: Stem cylindrical, multi-branched, 30-100cm long, 2-8mm in diameter; surface lavender or purple, with vertical stripes, pubescent; body light, brittle, off-white in section. The leaves are dense, or often shed; the lower leaves are two to three times pinnatifid, the lobes are strip-shaped or thin, and both sides are densely covered with white pilose; the cauline leaves are one to two times pinnati...

Claims

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Application Information

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IPC IPC(8): A01N65/12A01P1/00A01P3/00
Inventor 唐满仓叶龙江李林强
Owner 陕西恒田生物农业有限公司
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