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Method of returning Taxus cuspidata to wild

A regression method and technique of Taxus chinensis, applied in the field of the return of endangered plants, can solve the problems of low survival rate of Taxus chinensis in Northeast China, and achieve the effects of improving the survival rate of seedlings, improving the survival rate, and improving the survival rate.

Pending Publication Date: 2019-08-20
BEIJING FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is no field regression technology of Taxus chinensis in the prior art. If it is directly transplanted, the survival rate of Taxus chinensis will be low. Therefore, it is urgent to develop a suitable method for the return of Taxus chinensis in the wild to improve the survival rate of Taxus chinensis in the wild. The survival rate provides a certain theoretical basis for the future protection, ex-situ protection and return of yew in Northeast China

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] The present embodiment provides a kind of Northeast yew field regression method, comprising the following steps:

[0036] S1, selection of seedlings: 50 each of 1-2 years old yew seedlings and 4-5 year old yew seedlings purchased in Baicaogou Town, Wangqing County, Jilin Province. tree;

[0037] S2, Seedling up: There was a large area of ​​snowfall in Duhuangzi Forest Farm in early May, so the seedlings were raised on May 11, 2018. Among them, the 1-2-year-old seedlings were raised in the form of nutrient bag seedlings, and the 4-5-year-old seedlings were raised. The seedlings are raised by bare root seedlings. During the seedling raising process, keep the seedlings moist and protect the root system of the seedlings;

[0038] S3, transportation: transport the seedlings to the Duhuangzi Forest Farm in Wangqing County on the afternoon of the day of seedling cultivation; before transportation, keep the nutrient bags moist for 1-2-year-old seedlings, and bare-root the 4-5-...

Embodiment 2

[0046] The difference between the field regression method of Taxus chinensis in this embodiment and that of Example 1 is that in step S4, the forests of Korean pine and spruce with stand canopy density of 0.80 are selected as the forest type of Taxus chinensis in the field.

[0047] After adopting the Northeast Taxus field regression method of this embodiment, as of September 25, 2018, the Northeast Taxus seedlings have grown normally, and the survival of the Northeast Taxus seedlings in this embodiment is as follows:

[0048] There were 50 yew seedlings of 1-2 years old in total, 48 survived and 2 died, and the total survival rate was 96%. Among them, 25 seedlings were not treated with rooting powder solution, 23 survived and 2 died. 25 seedlings treated with root powder solution, 25 survived, 0 dead, 100% survival rate.

[0049] There were 50 Northeastern yew seedlings with a seedling age of 4-5 years, 49 survived and 1 died, with a total survival rate of 98%; among them, 25...

Embodiment 3

[0051] The difference between the field return method of Taxus chinensis in this embodiment and that of Example 1 is that in step S4, the forests of Korean pine and spruce with stand canopy density of 0.55 are selected as the field return forest type of Taxus chinensis.

[0052] After adopting the Northeast Taxus field regression method of this embodiment, as of September 25, 2018, the Northeast Taxus seedlings have grown normally, and the survival of the Northeast Taxus seedlings in this embodiment is as follows:

[0053] There were 50 yew seedlings of 1-2 years old in total, 48 survived and 2 died, with a total survival rate of 96%; among them, 25 seedlings were not treated with rooting powder solution, 24 survived and 1 died. 25 seedlings treated with root powder solution, 24 survived, and 1 died, with a survival rate of 96%.

[0054] There were 50 yew seedlings of 4-5 years old in total, 45 survived and 5 died, and the total survival rate was 90%. Among them, 25 seedlings ...

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Abstract

The invention provides a method of returning Taxus cuspidata to the wild. The method comprises the steps of S1, selecting seedlings, to be specific, selecting return seedlings 1-2 years or 4-5 years old; S2, lifting the seedlings, to be specific, lifting the return seedlings screened in the step S1, wherein the return seedlings 1-2 years old are lifted by means of nutrient bagging, and the returnseedlings 4-5 years old are lifted by means of bared root lifting; S3, transporting, to be specific, transporting the return seedlings lifted in the step S2 to a forest farm; S4, transplanting, to bespecific, transplanting the return seedlings of step S3 in May; and S5, providing protection, to be specific, applying a plant anti-biting agent to trunks of the return seedlings transplanted in the step S4. The method herein allows Taxus cuspidata to be returned to the wild; seedlings of Taxus cuspidata in nursery are returned to the natural growth environment, and survival rate of Taxus cuspidata to the wild returned to the wild can be increased.

Description

technical field [0001] The invention relates to a return method of endangered plants, in particular to a field return method of Northeast yew. Background technique [0002] Northeast yew (Taxus cuspidata), also known as yew, is a Taxus genus plant in the family Taxaceae. It is a precious tertiary relic tree species distributed in Northeast my country, and a wild endangered plant species under national first-level key protection. Taxus chinensis contains a very precious anti-cancer drug paclitaxel, which has a very high development and utilization value. Northeast yew is often mixed with other coniferous and broad-leaved tree species. It has the characteristics of scattered growth, shade preference, and slow growth. The natural resources are very limited. The overexploitation and utilization driven by economic interests and the reduction of the suitable environment have greatly reduced the population of the natural Taxus chinensis, which has exacerbated the endangered degree...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/00A01G7/06
CPCA01G17/005A01G7/06
Inventor 徐超李景文龙婷陈杰
Owner BEIJING FORESTRY UNIVERSITY
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