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Alstonia scholaris propagation method with big tree trunks cut

A pot frame and tree trunk technology, applied in the field of forest cultivation, can solve problems such as a long time, and achieve significant economic benefits, high reproduction efficiency, and shorten the cultivation cycle

Inactive Publication Date: 2014-02-26
GUANGXI FORESTRY RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although these two propagation methods have high reproduction efficiency, it takes a long time for the seedlings in pots to grow into large trees with specifications for landscaping.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0019] The first example of the method for trunking and propagating a large potted tree of the present invention comprises the following steps:

[0020] 1. Selection and pruning of mother trees

[0021] 1.1. Selection of mother tree

[0022] Select the plants that grow robustly and have no pests and diseases as the mother tree for reproduction. The height of the mother tree is more than 20.0m, and the diameter at breast height is 30-40cm.

[0023] 1.2, dry processing

[0024] In early spring and February, use a chainsaw to cut off the big tree in the pot frame, and the incision is a flat incision. Cut off all side branches after cutting off. When pruning side branches, it is required to prune to the base of the side branches. The incision is flush with the main trunk, and only the main trunk is reserved. After the trunking treatment, one trunk with a diameter at breast height of 30-40cm and a length of about 5.0m can be obtained; two trunks with a diameter at breast height ...

Embodiment 2

[0042] Another example of the method for trunking and propagating large potted trees of the present invention comprises the following steps:

[0043] 1. Selection and pruning of mother trees

[0044] 1.1. Selection of mother tree

[0045] Select the plants that grow robustly and have no pests and diseases as the mother tree for reproduction. The height of the mother tree is more than 20.0m, and the diameter at breast height is 30-40cm.

[0046] 1.2, dry processing

[0047] In early spring and March, use a chainsaw to cut off the big tree in the pot frame, and the incision is a flat incision. Cut off all side branches after cutting off. When pruning side branches, it is required to prune to the base of the side branches. The incision is flush with the main trunk, and only the main trunk is reserved. After the trunking treatment, one trunk with a diameter at breast height of 30-40cm and a length of about 5.0m can be obtained; two trunks with a diameter at breast height of 20-...

Embodiment 3

[0065] Another example of the method for trunking and propagating large potted trees of the present invention comprises the following steps:

[0066] 1. Selection and pruning of mother trees

[0067] 1.1. Selection of mother tree

[0068] Select the plants that grow robustly and have no pests and diseases as the mother tree for reproduction. The height of the mother tree is more than 20.0m, and the diameter at breast height is 30-40cm.

[0069] 1.2, dry processing

[0070] In early spring and April, use a chainsaw to cut off the big tree in the pot frame, and the incision is a flat incision. Cut off all side branches after cutting off. When pruning side branches, it is required to prune to the base of the side branches. The incision is flush with the main trunk, and only the main trunk is reserved. After the trunking treatment, one trunk with a diameter at breast height of 30-40cm and a length of about 5.0m can be obtained; two trunks with a diameter at breast height of 20-...

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Abstract

An alstonia scholaris propagation method with big tree trunks cut comprises the following steps that a plant which grows strongly and is free of plant diseases and insect pests is selected as a propagation seed tree, and trunk cut treatment is carried out on the propagation seed tree; the root of a tree trunk is dipped in slurry with rooting powder solutions, the tree trunk is planted in soil, the embedding depth of the tree trunk is 20-40cm, water spraying and moisture preservation are carried out, high temperature and strong light irradiation are avoided, when young sprouts of a second round emerge, compound fertilizer is dressed one time, pesticides are sprayed one time every 7-10 days after budding to prevent leave eating injurious insect damage and insect gall parasitism, and 1000-time solutions of trichlorphon and 2000-time solutions of deltamethrin are sprayed alternately. According to the alstonia scholaris propagation method with the big tree trunks cut, the tree trunk of alstonia scholaris with the diameter at breast height of 30-40cm and the height of more than 20.0m can be used as propagation materials to obtain 6-7 alstonia scholaris afforestation trees reaching a certain specification, and the survival rate is more than 95.0%. Compared with seed propagation and cutting propagation, the cultivation period of the alstonia scholaris afforestation trees can be shortened to a large extent, and obvious economic benefits are achieved.

Description

1. Technical field [0001] The invention relates to forest cultivation technology in forestry science, in particular to a method for cutting and propagating large potted trees. 2. Background technology [0002] Basin frame (Alstonia scholaris), also known as lamp frame tree, basin frame, sugar gum tree, and noodle tree, belongs to the genus Alstonia of the family Apocynaceae, and is an evergreen tree with latex. The plant height of the pot frame can reach 30m, and the diameter at breast height is more than 1m. Because of its strong resistance to air pollution, majestic tree shape, good shade, upright and beautiful, and rapid growth, it is a good street tree species and landscape garden tree species. The bark of the pot frame is light brown, the large branches spread out, the branches spread out horizontally, the layers are orderly, and the crown is beautiful. Its leaves are 3 to 4 whorls, papery, oblanceolate, and entire. The flowering period of the pot shelf is in autumn, ...

Claims

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Application Information

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IPC IPC(8): A01G23/00
CPCY02A40/22Y02P60/40
Inventor 李进华覃玉凤唐遒冥汪小玉林茂杨舒婷钟程
Owner GUANGXI FORESTRY RES INST
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