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A kind of afforestation method of betula clonal tissue culture seedling

A technology of clones and tissue culture seedlings, which is applied in afforestation, forestry, climate change adaptation, etc., can solve the problems of severe differentiation and slow growth of birch trees in southwest China, and achieve straight texture, improved afforestation survival rate, and perfect stem shape Effect

Active Publication Date: 2016-03-30
云南省林业技术推广总站
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to break the existing traditional method of seed collection and seedling cultivation of Betula chinensis, and overcome the problems of relatively slow growth and serious differentiation of Betula spp. Afforestation methods in Yunnan Province

Method used

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  • A kind of afforestation method of betula clonal tissue culture seedling
  • A kind of afforestation method of betula clonal tissue culture seedling
  • A kind of afforestation method of betula clonal tissue culture seedling

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Experimental program
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Embodiment 1

[0044] Embodiment 1 The inventive method

[0045] Implementation location: Bangxie Village, Shahe Township, Shuangjiang County, Lincang City, Yunnan Province, China. It has a warm and humid monsoon climate in the south subtropical zone. A 10-hectare high-quality clonal forest of Betula chinensis will be built.

[0046] Afforestation time: July 2010.

[0047] Investigation time: September 2013.

[0048] Include the following steps (3 repetitions):

[0049] (1) site selection

[0050] Shahe Township, Shuangjiang County, Lincang City, Yunnan Province is in the southwest of Yunnan Province. The altitude of the afforestation is 1200-1300m. The annual average temperature is 19°C-21°C. The coldest monthly average temperature is 10°C. The temperature is -5°C; the average annual rainfall is 1000-1200mm, the annual average relative air temperature is above 80%, the soil organic matter content is 3.9%, the soil total nitrogen content is 0.07%, the soil available phosphorus content is ...

Embodiment 2

[0083] Embodiment 2 The inventive method

[0084] Implementation location: Banpo Village, Yixiang Town, Simao District, Pu'er City, Yunnan Province, China. It is a subtropical monsoon climate, and a 3-hectare high-quality clone forest of Betula chinensis will be built.

[0085] Afforestation time: July 2011.

[0086] Investigation time: September 2013.

[0087] Embodiment 2 is the same as Embodiment 1 except that the following measures are different, and will not be repeated here.

[0088] (1) site selection

[0089] Banpo Village, Yixiang Town, Simao District, Pu'er City, Yunnan Province is located in the southwest of Yunnan Province. The altitude range of the afforestation land is 1300-1500m, the annual average temperature is 15-20°C, the coldest monthly average temperature is 11.7°C, and the extreme maximum temperature is 32°C. The lowest temperature is -5°C; the average annual rainfall is above 1500mm, the annual average relative air temperature is above 70%, the soil o...

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Abstract

The invention discloses an afforestation method of betula alnoides clone tissue culture seedlings, and relates to the technical field of forest cultivation. The method comprises the steps of selecting a forest site, cleaning the planted land, carrying out soil preparation, applying base fertilizer, breeding excellent betula alnoides clone, carrying out clone configuration and afforestation, nourishing the forest land and controlling insect pests, wherein the step of breeding the excellent betula alnoides clone comprises the processes of taking buds from explants of betula alnoides clone tissue culture seedlings, carrying out tissue culture propagation, building a betula alnoides clone test forest and selecting excellent betula alnoides clone. After 2-3 years, compared with those of young forest cultured by a traditional seedling breeding method, the growth height of young forest cultured by the method is increased by 59.5%-66.4%, the diameter at breast height of the young forest is increased by 52.3%-66.5%, the survival rate of afforestation is increased by 10.8%-16.7%, and the insect pest occurrence rate is reduced by 37%-41%.

Description

technical field [0001] The invention relates to the technical field of tree cultivation, in particular to a method for afforestation by adopting the clones cultivated by the betula tissue culture seedlings. Background technique [0002] Southwest Betula (Betulaalnoides) Betula family, Betula genus, is a fast-growing broad-leaved tree species, my country is mainly distributed in the hot areas of Yunnan Province, the west, southwest, northwest of Guangxi Province and southern Guizhou Province as well as Vietnam, Laos and Myanmar, Southwest Betula is due to Its wood is not easy to crack and deform, and its patterns and colors are beautiful. It is widely used in traditional high-end furniture, wooden floors, interior decoration materials, construction, military industry, musical instruments, and plywood. The area of ​​hot areas in Yunnan Province accounts for about a quarter of the province's area. Southwestern birch has become a precious fast-growing broad-leaved tree species in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G23/00
CPCY02A40/22Y02P60/40
Inventor 聂艳丽施彬王丽唐红燕史富强董晓光童清杨正华杨建荣李秀君铁学江杨卫
Owner 云南省林业技术推广总站
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