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Medical plant black false hellebore immature embryo in vitro culture method

A technology of in vitro cultivation of medicinal plants, applied in the field of biological seedlings, can solve the problems of difficult survival of immature embryos, and achieve the effects of high survival rate, simple operation, and inhibition of activity

Inactive Publication Date: 2019-03-12
JILIN ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The invention solves the problem that immature immature embryos of Veratrum are difficult to survive due to the secretion of polyphenols and other toxic compounds

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A method for in vitro cultivation of young embryos of medicinal plant veratrum, comprising the following steps:

[0023] (1) The flowering period of Hesperatum xing'an is in June, and the fruiting period is in July. Hesperatum is grown in the wet grassland under broad leaves at an altitude of 1,200 meters in Beidahu, Jilin City, and Hesperatum is grown in Hongshi, Huadian City. In the wetland under the primeval forest of Wangjiadian Village, Lazi Town, immature veratrum capsules were collected on July 30, and the immature seeds were removed from the pods for sterilization;

[0024] (2) Use a scalpel to remove the immature embryos in the seeds under a dissecting microscope, then put them into the soaking solution for 30 minutes, wherein the soaking solution is made of the following components by weight: 2 parts of 1,2-cyclohexane Diaminetetraacetic acid, 1 part of 24-epibrassinolide, 7 parts of betaine hydrochloride, 130 parts of water;

[0025] (3) Add the immature emb...

Embodiment 2

[0034] A method for in vitro cultivation of young embryos of medicinal plant veratrum, comprising the following steps:

[0035] (1) The flowering period of Hesperatum xing'an is in June, and the fruiting period is in July. Hesperatum is grown in the wet grassland under broad leaves at an altitude of 1,200 meters in Beidahu, Jilin City, and Hesperatum is grown in Hongshi, Huadian City. In the wetland under the primeval forest of Wangjiadian Village, Lazi Town, immature veratrum capsules were collected on July 30, and the immature seeds were removed from the pods for sterilization;

[0036] (2) Use a scalpel to remove the immature embryos in the seeds under a dissecting microscope, then put them into the soaking solution for 40 minutes, wherein the soaking solution is made of the following components by weight: 5 parts of 1,2-cyclohexane Diaminetetraacetic acid, 3 parts of 24-epibrassinolide, 10 parts of betaine hydrochloride, 140 parts of water;

[0037] (3) Add the immature e...

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Abstract

The invention discloses a medical plant black false hellebore immature embryo in vitro culture method which comprises the following operation steps of (1) collecting immature capsules of black false hellebore, and poking immature seeds out of capsules for sterilization treatment; (2) poking immature embryos in the seeds with a scalpel under an anatomical lens, and then putting the immature embryosin a soak solution for soaking treatment for 30-40 min; (3) adding the immature embryos treated in step (2) in an immature embryo culture medium for dark culture at 24-27 DEG C; and (4) when the immature embryos grow into young seedlings with the height being 4-5 cm, transferring the young seedlings into a rooting culture medium, and transplanting the seedlings into turfy soil after roots of theseedlings are well developed, wherein the rooting culture medium is prepared from an MS culture medium, 60-70 mg / L ferric salt and 0.8-1.2 mg / L indolebutyric acid, 2-5 mg / L sodium hyaluronate. The medical plant black false hellebore immature embryo in vitro culture method provided by the invention is simple to operate and can culture the immature embryos into the seedlings with high survival rate,wherein the average survival rate of the immature embryos can reach about 93 percent, and the average rooting rate of young seedlings can reach about 95 percent.

Description

technical field [0001] The invention belongs to the technical field of biological seedling cultivation, and in particular relates to a method for in vitro cultivation of immature embryos of the medicinal plant veratrum. Background technique [0002] The medicinal plant Veratrum is rich in active alkaloids, which are mainly used in traditional Chinese medicine to treat diseases such as stroke, dysentery, jaundice, headache and chronic malaria. At present, more than 100 steroidal alkaloids have been isolated from Veratrum. The latest research shows that the veratrol steroid alkaloid cyclopamine and its derivatives can effectively block the cancer Sonic Hedgehog signal transduction channel, and have obvious therapeutic effects on medulloblastoma, basal cell carcinoma, and small cell lung cancer. Market potential of anticancer drugs. Due to the complex chemical structure of cyclopamine, although some progress has been made in the semi-synthesis of cyclopamine and cyclopamine-li...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H4/00
CPCA01H4/001A01H4/008
Inventor 马瑞于志晶尚丽霞蔡勤安王丹任鹏飞刘晓蕊
Owner JILIN ACAD OF AGRI SCI
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