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Fast-growth cultivation method of top-grafting gold-leaf goldenrain tree

A technology for high-connecting golden leaves and luan trees, applied in the field of plant cultivation, can solve the problems of lack of nutrient supply, poor plant photosynthesis ability, etc., and achieve the effect of speeding up the growth rate

Inactive Publication Date: 2013-04-03
BEIJING FORESTRY UNIVERSITY +4
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problems of poor plant photosynthetic ability and lack of nutrient supply in the existing grafting methods of golden leaf eucalyptus, the present invention aims to provide a method for high-grafting golden leaf eucalyptus fast-growing cultivation

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment 1 uses traditional high grafting method to graft golden leaf eucalyptus

[0019] In late August 2010, in Shijiazhuang, 10 Beijing eucalyptus rootstocks with an average diameter at breast height of 3.3m and an average tree height of 3.5m, with well-developed side branches and root systems below 3.2m were selected, and golden leaves were grafted at a height of 3.0m by bud grafting. Luan tree robust buds.

[0020] In the spring of 2011, the trunk above the grafting site was removed.

[0021] From 2010 to 2012, the side branches below the grafting site were continuously removed, and only the golden leaf crown was kept.

[0022] By the first ten days of September 2012, the average rootstock diameter was 4.0 cm, and the diameter increased by 0.7 cm.

Embodiment 2

[0023] Embodiment 2 uses the method of the present invention to graft golden leaf eucalyptus

[0024] In late August 2010, in Shijiazhuang, 10 Beijing eucalyptus rootstocks with an average diameter at breast height of 3.2m and an average tree height of 3.4m, with well-developed side branches and root systems below 3.2m were selected, and golden leaves were grafted at a height of 3.0m by bud grafting. Luan tree robust buds.

[0025] In the spring of 2011, the trunk above the grafting site was removed.

[0026] At the beginning of June and the end of August 2011, the side branches at the tree height of 0-1.8m and the tree height of 2.8m-3.0m were removed, and the side branches at the height of 1.8-2.8m were pulled horizontally.

[0027] In the first ten days of September 2012, the average rootstock diameter was 5.1 cm, and the diameter increased by 1.9 cm. From now on, cut off side branches below 2.8m year by year from bottom to top.

[0028] This shows that adopting the meth...

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Abstract

The invention discloses a fast-growth cultivation method of a top-grafting gold-leaf goldenrain tree, and the method comprises the following steps of (1) selecting a rootstock of a Beijing goldenrain tree with the height of 3.2m at the end of summer and beginning of autumn of a first year; (2) grafting a one-year branch or bud of a gold-leaf goldenrain tree on the position of the tree which is 3m above the ground; (3) removing side branches on parts of the tree, which are 0 to 1.8m high and 2.8 to 3.0m high in spring and summer of the second year, and reserving the side branches on the part which is 1.8m to 2.8m high; (4) bending the side branches on the part which is 1.8 to 2.8 high in the summer of the second year; and (5) gradually trimming the side branches below the part which is 2.8m high year by year from bottom to top after the diameter at breast height of the rootstock reaches 5.0cm. The method has the following advantages that (1) original crowns are not completely removed, so that no recovery period is needed for the crowns and tree vigor; (2) a great amount of green leaves are reserved, so that the growth speed can be accelerated through the nutrients produced by the green leaves; and (3) the side branches of the rootstock are bent, so that the side branches are free from the shape of the grafted crown, the sunlight receiving area is also increased, and the growth of the plant can be accelerated.

Description

technical field [0001] The invention relates to the field of plant cultivation, in particular to a method for fast-growing high-grained eucalyptus eucalyptus. Background technique [0002] Golden leaf eucalyptus is a bud variety of Beijing eucalyptus. The new shoots and tree crowns are red. After May, the leaves turn golden and stable in character. It has high affinity and is very easy to survive grafting. The phenomenon of allogeneic rejection is not obvious. A good variety of colorful leaf garden trees. [0003] The golden-leaf eucalyptus is generally propagated by grafting. The traditional method of grafting the golden-leaf eucalyptus is to remove the crown of the big tree for high grafting or to carry out the root grafting of 1-2 year old seedlings. The following problems exist respectively: ①When the big tree removes the crown for high grafting , Removing the green canopy and connecting the trees is not only a huge loss of resources, but also a serious trauma. The tree...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/06
Inventor 石丽丽赵廷宁王雄宾白庆红李霄宇李永杰
Owner BEIJING FORESTRY UNIVERSITY
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