Fungus for promoting germination of seeds of orchidaceae medicinal plant gymnadenia conopsea

A technology of medicinal plants and fungi, which is applied in the fields of fungi, seed and rhizome treatment, botany equipment and methods, etc., can solve the problems of old hand ginseng withering, low average reproduction rate multiples, and shortage of hand ginseng resources, so as to promote germination Effect

Pending Publication Date: 2019-01-08
INST OF MEDICINAL PLANT DEV CHINESE ACADEMY OF MEDICAL SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

And under natural conditions, when hand ginseng reproduces asexually, only one small hand ginseng grows on the root of the old hand ginseng. There are few reports
In order to solve the resource shortage problem...

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] A fungus that promotes the germination of the seeds of the orchid medicinal plant Ginseng. The colony of the fungus grows rapidly on the PDA medium. There are a large number of flocculent aerial hyphae in the colony. The front of the colony is white and brown, and the back of the colony is white. Light brown, the aged aerial mycelium is dark brown, the colony has neat edges and uneven thickness, the growth rate of the mycelium is 0.54-0.57mm / h, and the diameter of the mycelium is 2.71-3.72μm , the septum structure can be clearly observed under the microscope, the branches are nearly right-angled, and no sexual spores or asexual chlamydospores are produced.

[0012] Preferably, the colonies have thinner edges.

[0013] The co-cultivation of the strain and the seeds of Ginseng can effectively promote the germination of Ginseng seeds, while the seeds of the control group without adding fungi have no signs of germination.

[0014] Medium used: OMA (Oat Medium)

[0015] Cu...

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PUM

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Abstract

The invention relates to a fungus for promoting germination of seeds of an orchidaceae medicinal plant gymnadenia conopsea. Bacterial colonies of the fungus are rapidly grown in a PDA (Potato DextroseAgar) medium, the bacterial colonies have a great amount of flocculent aerial hyphae, the front sides of the bacterial colonies are white brown, the back sides of the bacterial colonies are light brown, the aged aerial hyphae are black brown, the bacterial colonies are tidy in edge and not uniform in thickness, the growths speed of the hyphae is 0.54-0.57mm/hour, the diameter of the hyphae is 2.71-3.72mu m, a diaphragm structure can be clearly observed microscopically, near right angles can be branched, and sexual reproduction spore or asexual chlamydospore is not generated. The fungus provided by the invention is capable of effectively promoting germination of the seeds of the gymnadenia conopsea, and can be applied to later gymnadenia conopsea seedling breeding.

Description

technical field [0001] The invention belongs to the field of biotechnology, and in particular relates to a fungus for promoting the germination of the seeds of the orchid medicinal plant Panax ginseng. Background technique [0002] Orchidaceae is one of the largest and most diverse families of flowering plants. There are about 26,000 species of orchids in the world, which are widely distributed in various terrestrial ecosystems. At present, many species of orchids have become rare and endangered species, and they are groups that have attracted much attention in international biodiversity conservation. The Chinese government also attaches great importance to the protection of orchids. All orchids have been included in the "List of National Key Protected Wild Plants" and will be included in the protection category of the "Regulations of the People's Republic of China on the Protection of Wild Plants". [0003] Ginseng is a kind of terrestrial orchid plant, which is scattered ...

Claims

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Application Information

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IPC IPC(8): A01C1/00A01G7/06C12N1/14C12R1/645
CPCA01C1/00A01G7/06C12N1/14
Inventor 邢晓科陈艳红高越
Owner INST OF MEDICINAL PLANT DEV CHINESE ACADEMY OF MEDICAL SCI
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