Davidia involucrata ex-situ conservation technology

A technology of Davidia involucrata and ex-situ transplantation, which is applied in the field of agriculture and forestry, can solve the problems such as the core technology of ex-situ transplanting of Davidia involucrata trees, shorten the time for breeding research and popularization, improve the survival rate, and solve the problems of failure. water effect

Active Publication Date: 2021-06-11
CHINA THREE GORGES CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the rare and endangered plant Davidia involucrata, the ex-situ adaptability requirements are particularly high, and survival is the key factor. The above research and technologies h

Method used

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  • Davidia involucrata ex-situ conservation technology
  • Davidia involucrata ex-situ conservation technology
  • Davidia involucrata ex-situ conservation technology

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0059] A method for ex situ protection of Davidia involucrata, said method comprising the following steps:

[0060] S1: Investigation before ex situ protection of Davidia involucrata: investigation and testing of the original site of Davidia involucrata;

[0061] S2: adopt step-by-step introduction and step-by-step transplanting;

[0062] S2.1 Domestication of living Davidia involucrata plants in advance;

[0063] S2.2 moved into Davidia involucrata and excavated;

[0064] S2.3 start digging Davidia involucrata pruning;

[0065] S2.4 Dove tree planting step by step (1):

[0066] S2.4.1: The first stage: Transplant from alpine areas to semi-alpine areas or plant and acclimatize in mid-altitude low mountain and hilly areas. Choose areas with convenient transportation, surrounded by mountains in the west and south, and place them at a row spacing of 5m*5m. ;

[0067] S2.4.2: Use a root control device to construct a tree pool for transplanting. The diameter and depth of the t...

Embodiment 2

[0101] A method for ex situ protection of Davidia involucrata, said method comprising the following steps:

[0102] S1: Investigation before ex situ protection of Davidia involucrata: investigation and testing of the original site of Davidia involucrata;

[0103] S2: adopt step-by-step introduction and step-by-step transplanting;

[0104] S2.1 Domestication of living Davidia involucrata plants in advance;

[0105] S2.2 moved into Davidia involucrata and excavated;

[0106] S2.3 start digging Davidia involucrata pruning;

[0107] S2.4 Dove tree planting step by step (1):

[0108] S2.4.1: The first stage: Transplant from alpine areas to semi-alpine areas or plant and acclimatize in mid-altitude low mountain and hilly areas. Choose areas with convenient transportation, surrounded by mountains in the west and south, and place them at a row spacing of 5m*5m. ;

[0109] S2.4.2: Use a root control device to construct a tree pool for transplanting, and the diameter and depth of t...

Embodiment 3

[0159] Embodiment 3: Based on Embodiment 2, dextran is added in the sunscreen nutrient solution, and its addition is 0.5%, and others are the same as Embodiment 2. Spray on foliage. The specific operation is: spray the sunscreen nutrient solution on the branches and leaves; do not spray after the rain. Others are the same as embodiment 2.

[0160] Example 2: In S3.5 high temperature season, the branches and leaves are treated, and the branches and leaves are sprayed with sunscreen nutrient solution; spraying will be added after the rain.

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Abstract

The invention provides a davidia involucrata ex-situ conservation technology. The davidia involucrata ex-situ conservation technology comprises the following steps that investigating is carried out before davidia involucrata ex-situ conservation, seeds are introduced step by step, transplanting is carried out step by step, a plurality of vegetation and associated tree species of an original growing land in an area are planted after davidia involucrata ex-situ conservation, and an environment with similar habitat of plants is created. The problem that the survival rate of wild davidia involucrata in a high-altitude area is low after the wild davidia involucrata migrates to a low-altitude area is solved, a new high number and quality of ex-situ conservation of big davidia involucrata trees is created, the conservation level of rare and endangered plants is remarkably improved, and great reference significance for ex-situ conservation work of rare and endangered plants with gradually narrowed distribution range of ecological environments of other areas suffering from serious damage is achieved.

Description

technical field [0001] The invention belongs to the technical field of agriculture and forestry, and in particular relates to a technology for ex situ protection of Davidia involucrata. Background technique [0002] Davidia involucrata Baill., also known as pigeon tree, is a deciduous tree with a height of 20 meters, gray-yellow bark, white flowers (like a dove), and long ovoid drupes. It is a relic plant left by the Cenozoic Tertiary Period 10 million years ago. During the Quaternary Ice Age, most of the dove tree became extinct one after another. Because there are many mountains and rivers in our country, it has become a natural refuge for various animals and plants. Davidia involucrata is one of the ancient plants that survived in the remote mountainous areas of central and western my country. Botanists call it "the pearl in the forest", "the plant Living Fossil" and "Green Panda". This tree species is native to western Hubei, western Hunan, Sichuan and northern Guizhou ...

Claims

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Application Information

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IPC IPC(8): A01G23/04A01G17/00A01G13/00
CPCA01G23/04A01G17/005A01G13/00Y02P60/40Y02A40/22
Inventor 吴锦华黄桂云张国禹邱利文吴笛张海波望熊英汪磊马晓波胡梅香杨兰芳李翩翩陈会员张定军张俊
Owner CHINA THREE GORGES CORPORATION
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