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Method for controlling plum tree shape and tree body suitable for high-density planting

A high-density, tree-shaped technology, applied in the fields of application, cultivation, agriculture, etc., can solve the problems of tree height and other problems, and achieve the effect of small crown width, fast growth and small amount of pruning

Inactive Publication Date: 2008-02-13
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The above-mentioned tree shapes are tall and tall, and are only suitable for sparsely planted or generally densely planted plum gardens.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] In 2000, two varieties of sapphire and ruby ​​were planted on 40 mu of sandy soil in the scientific research and production base of Beijing Golden Cherry Agriculture and Forestry Technology Development Co., Ltd. in Doudian Town, Fangshan District, Beijing, with a planting density of 1.5×3m. Design tree shape and structure indicators: dry height 50-60cm, tree height 2.3-2.6m, maximum crown width: 1.6m from north to south, 2.0m from east to west.

[0029] Specific steps are as follows:

[0030] (1) Planting in March 2000, with a fixed stem height of 80 cm; after germination, all the buds below 50 cm on the seedling stem were wiped off; Grow freely, cultivate the central stem, and remove the competing shoots of the second bud and the third bud, and select 3 to 4 new shoots that are evenly distributed around the seedling stem in different directions, with a moderate growth potential and an opening angle of 40 to 60°, and leave 30 ~35cm topping, to promote branching, disper...

Embodiment 2

[0038] In 2004, 0.5hm of Plum High Density Cultivation Technology Demonstration Garden was planted on the sandy soil of Linzhang Fruit Tree Experimental Station of China Agricultural University 2 , the varieties are black gem and ruby, and the planting density is 1.5×3m.

[0039] Specific steps are as follows:

[0040] (1) Planting in March 2004, with a fixed stem height of 80 cm; after germination, all sprouts below 50 cm on the seedling stem were wiped off; Grow freely, cultivate the central stem, and remove the competing shoots of the second bud and the third bud, and select 3 to 4 new shoots that are evenly distributed around the seedling stem in different directions, with a moderate growth potential and an opening angle of 40 to 60°, and leave 30 ~35cm topping, to promote branching, disperse its growth potential, and cultivate the first layer of thin and long large-scale branch groups;

[0041] (2) When the length of the new shoots cultivated as the central trunk reache...

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Abstract

The present invention discloses a plum tree form that is suitable for the high-density planting, which is a columniform and consists of a trunk, a central stem and a branch group; wherein, the branch group is directly growing on the central stem. The tree-body structure and the trimming technique of the present invention are simple and the formation is rapid; the range of the plum-tree crown of the present invention is small and the tree vigor is moderate, which is not sensitive to the trimming reaction; the size of the crown range is easy to control. The present invention also discloses a method of controlling the tree body to obtain the tree form, which is mainly based on the trimming in summer; the trimming quantity is small, the trimming reaction is not sensitive, the young tree grows fast, the quantity of the branches increases rapidly with a plurality of small branches and the plum tree bears fruit early, the plum tree is early to enter into the high-yield period and the size of the tree body is easy to control; the method of the present invention is simple and easy to learn and is convenient to operate, which can always control the size of the tree body within the designated range and can perform the standardized management so as to enable the plum tree to realize the early high yield, high quality and the stable yield.

Description

technical field [0001] The invention belongs to the field of fruit tree cultivation, in particular to a plum tree shape suitable for high-density planting and a tree body control method thereof. Background technique [0002] Dwarf dense planting cultivation can greatly shorten the sapling stage and initial fruit stage of fruit trees, which is conducive to early high yield and orchard operations, reduces production costs, and improves production efficiency. For decades, countries in the world have mainly reduced and controlled the size of trees by breeding and applying dwarf rootstocks, dwarf varieties and dwarf techniques. However, the dense planting of fruit trees on arbor anvils must adopt suitable tree shape, pruning and tree body control methods, otherwise as the tree age increases, the orchard will be closed, fruit yield and quality will decline, and field operations will be inconvenient. [0003] Tree shape and tree size are determined by the skeleton structure of the...

Claims

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Application Information

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IPC IPC(8): A01G17/00
Inventor 贾克功
Owner CHINA AGRI UNIV
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