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Dispersed and stratified tree shape with small crown and numerous main branches and shape pruning technical method for Korla pear

A Korla fragrant pear, plastic pruning technology, applied in gardening methods, botanical equipment and methods, gardening, etc., can solve the problems of long period, top dominance, difficult vegetative growth, and many layers

Inactive Publication Date: 2016-12-21
XINJIANG TOP AGRI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the defects of the existing Korla fragrant pears, such as tall tree shape, many layers, difficult shaping, long period, late results, control of its top dominance and difficult vegetative growth, the Korla fragrant pears of the present invention have a small crown with multiple main branches scattered and layered. In the tree shape and shaping and pruning technology, the tree shape is used in the cultivation mode of 3×4 meters, 3×5 meters, and 44 or 55 plants per mu. The rootstocks are planted in the first year, and the shaping starts in the second year. Pruning, cultivating year by year until forming in the eighth year, can increase the planting density and fully improve the land utilization rate

Method used

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  • Dispersed and stratified tree shape with small crown and numerous main branches and shape pruning technical method for Korla pear
  • Dispersed and stratified tree shape with small crown and numerous main branches and shape pruning technical method for Korla pear
  • Dispersed and stratified tree shape with small crown and numerous main branches and shape pruning technical method for Korla pear

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Experimental program
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Embodiment 1

[0017] The first year: planting du pear.

[0018] The second year: grafting in the field in spring, pruning and drying in winter, with a height of 80 cm, under the cut, select 3 full buds with 120° in each direction on the 25 cm plastic belt to engrave the buds, and erase all other buds to ensure Germinate normally, and grow strong. If 2 to 4 branches have been produced, leave 40 to 50 centimeters, select the full buds under the back and cut them short, and cultivate them as the main branch.

[0019] The third year: Leave 80 cm for the central trunk, and choose 3 good positions for the shoots to leave 60 cm, select the full buds under the back, cut them short and extend the heads, and cultivate the first layer of main branches. Use a small stick to prop up the angle of the main branch, and then use a small rope to open the angle in the first ten days of June to ensure that the opening angle starts from a small tree.

[0020] The fourth year: continue to cut the main branch o...

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Abstract

The invention relates to a dispersed and stratified tree shape with a small crown and numerous main branches and a shape pruning technical method for Korla pear. The tree shape is used under a cultivation model that a plant row spacing is 3 x 4 meters and 3 x 5 meters and 44 and 55 plants per mu are planted, wherein shape pruning is performed in summer and winter; garden grafting is performed in spring; trunk pruning is performed in winter; the opening angles of the main branches and large branches are preserved for many years, and special attention is paid on timely angle-opening of a young tree; gentle pruning, slow placing and reserving of more branches are required; 15 to 20 large branches per tree are reserved; dispersion is performed in 5 to 6 levels, so obvious levels are realized; branches are inserted into empty spaces; auxiliary branches are retracted, so up-and-down staggering and back-and-forth well-proportioned retraction are realized; the tree crown is of a circular cone shape; and shaping is completed in ten years. According to the invention, the number of the main branches is twice of that of the other tree shape, so tree vigor can be effectively controlled, and vegetative growth and reproductive growth are adjusted; while the dispersed and stratified tree shape with the small crown and numerous main branches has the advantages of small tree crown, medium tree height, numerous large branches, simple structure, clear and firm skeleton, good fruit-bearing light acceptance and plentiful blushes on fruit surface, so the purposes of early fruiting, early high yield and stable yield are achieved.

Description

Technical field: [0001] The invention relates to a Korla fragrant pear small-crown multi-main-branch dispersive layered tree shape and a technical method for shaping and pruning. Background technique: [0002] Pear is a plant of the genus Pyrus in the family Rosaceae, which is rich in resources. There are 5 species mainly used for economic cultivation in China, namely Qiuzi pear, white pear, sand pear, foreign pear and Xinjiang pear. Pear tree shaping and pruning techniques adopt different pruning methods according to different environments and types. The main pruning methods can be classified according to the following situations: 1. For pear orchards with deep soil, fertile soil, good light, and high management level, pear trees should be pruned into a tree shape of evacuated layers or small crowns; , and should be shaped into a tree shape that is easy to light and has a simple structure, such as a happy shape. 2. According to the planting density and tree shape, the dev...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/00A01G7/06
CPCA01G17/005A01G7/06
Inventor 于强楚元新
Owner XINJIANG TOP AGRI CO LTD
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