Wild imitation method for artificially improving germination rate of natural taxus chinensis var mairei population seeds and promoting seedling renewal

A southern yew, imitation of wild technology, applied in the field of imitation of wild, can solve the problems of loss of vitality, loss of vitality of seeds, low germination rate in natural conditions, etc., and achieve the effect of promoting near-natural germination renewal and increasing seed germination rate

Pending Publication Date: 2021-04-09
EXPERIMENTAL CENT OF SUBTROPICAL FORESTRY CHINESE ACAD OF FORESTRY
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  • Abstract
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  • Application Information

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Problems solved by technology

The current research on the southern yew mainly focuses on genetic improvement, optimized cultivation, extraction of medicinal ingredients, community structure, etc. There is no research on artificially promoting the natural southern yew population recovery model based on near-nature
[0003] The fruit of the southern yew is bright in color and delicious, and it is easy to attract birds and rodents to eat and spread the seeds. At the same time, a large number of seeds are eaten

Method used

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  • Wild imitation method for artificially improving germination rate of natural taxus chinensis var mairei population seeds and promoting seedling renewal
  • Wild imitation method for artificially improving germination rate of natural taxus chinensis var mairei population seeds and promoting seedling renewal
  • Wild imitation method for artificially improving germination rate of natural taxus chinensis var mairei population seeds and promoting seedling renewal

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Embodiment 1

[0017] (1) Selection of test site: The test was carried out in the natural concentrated distribution area of ​​Taxus chinensis in Shangcun Experimental Forest Farm, Yalin Center, Chinese Academy of Forestry, Fenyi County, Fenyi County, Jiangxi Province. The temperature is 18.5℃, the average annual rainfall is 1643.6mm, and the annual frost-free period is 310 days.

[0018] (2) Selection of experimental materials: select 3 catties of Southern yew seeds that have not rotted in the sand for one year, and 28 field-shaped boxes with a length of 1 m x 1 m made of bamboo strips with a length of 1 m.

[0019] (3) Experimental treatment: such as figure 1 As shown, in late March, a 1m×1m field-shaped bamboo strip frame was placed in the sample plot without herb layer (or herb layer removed) and herb layer coverage reached more than 50, a total of two experiments, one experiment was to sow seeds Afterwards, routine weeding and tending management was carried out, and another experiment w...

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Abstract

The invention provides a wild imitation method for artificially improving the germination rate of natural taxus chinensis var mairei population seeds and promoting seedling renewal, and relates to the technical field of seedling raising. According to the wild imitation method, in the process of artificially promoting natural taxus chinensis var mairei population recovery, taxus chinensis var mairei seeds stored in sand for one year are sown on the ground without herbaceous layers and with dry branches and fallen leaves removed, and earthing is conducted for 2-6cm. It is proved in the embodiment that the germination rate of the seeds can be remarkably increased (the germination rate of a control group is 0%) by sowing and earthing on the ground without the herbaceous layers and with the dry branches and the fallen leaves removed, and the germination rates of the seeds with the soil covering thicknesses of 2cm, 4cm and 6cm can reach 1.57%, 3.57% and 2.28% respectively. The wild imitating method disclosed is extremely important for promoting near-natural germination and updating of seeds of the natural taxus chinensis var mairei population and recovering and expanding of endangered natural populations.

Description

technical field [0001] The invention belongs to the technical field of seedling cultivation, and in particular relates to a wild-like method for artificially increasing the seed germination rate of natural southern yew populations and promoting seedling renewal. Background technique [0002] Southern yew (Taxus chinensis var.mairei), belonging to the large tree of Taxus genus Taxus, is a precious ornamental, timber and medicinal tree species, and is a rare and endangered gymnosperm under the first-class protection in my country. The natural forest of Taxus chinensis grows slowly, the population competitiveness is weak, the natural regeneration is hindered, and the population shows a trend of decline. The current research on the southern yew mainly focuses on genetic improvement, optimized cultivation, extraction of medicinal ingredients, community structure, etc. There is no research on artificially promoting the natural southern yew population recovery model based on near-n...

Claims

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Application Information

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IPC IPC(8): A01G17/00
CPCA01G17/005
Inventor 厉月桥喻龙华何平张华聪邓宗付
Owner EXPERIMENTAL CENT OF SUBTROPICAL FORESTRY CHINESE ACAD OF FORESTRY
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