Dwarf stock Fuji apple sapling crawn-controlling, blossom-promoting and yield-increasing method

A technology for saplings and apples, which is applied to the field of crown control and flowering promotion for young Fuji apple saplings on dwarf stocks. The effect of branch elongation

Inactive Publication Date: 2017-03-15
SHANDONG INST OF POMOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It has been found in practical application that it mainly has the following three disadvantages: First, it has strict requirements on the pull-down angle. If the angle is too small, it will not achieve the purpose of promoting short branches to form flowers. If the angle is too large, it will easily sprout elongated branches from the corner. It consumes nutrients and disturbs the shape of the tree; the second is that the workload is large, all the branches on the trunk must be pulled down, and a large amount of labor is required to do this work. In the current situation of labor shortage and high prices, it is very difficult to hire labor and the production cost is very high. Third, although the production speed of branches is inhibited to a certain extent, the state of uniaxial extension is not changed, and the growth of short branches cannot be promoted

Method used

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  • Dwarf stock Fuji apple sapling crawn-controlling, blossom-promoting and yield-increasing method
  • Dwarf stock Fuji apple sapling crawn-controlling, blossom-promoting and yield-increasing method
  • Dwarf stock Fuji apple sapling crawn-controlling, blossom-promoting and yield-increasing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A kind of dwarf stock Fuji apple sapling controls crown and promotes flowering high-yield method, comprises steps as follows:

[0035] 1) After the seedlings are planted in spring, from late May to early June of that year, when the new shoots germinated on the central trunk of the young trees grow to 25cm, use a bamboo toothpick with a tip length of 12-15cm at both ends, and insert one end into a new shoot that needs to be opened. The other end is inserted into the center trunk in the bark of the shoot, and the new shoot is opened and pulled, so that the opening angle of the new shoot reaches 80°, and the opening angle is 3cm away from the base of the shoot.

[0036] 2) When the new shoot grows to 40cm, remove the top 4cm of the new shoot for the first topping, to control the extension and growth of the new shoot, and promote the germination of short and medium branches at the rear end of the topping part; when the top axillary buds and auxiliary shoots grow to 35cm afte...

Embodiment 2

[0041] A kind of dwarf stock Fuji apple sapling controls crown and promotes flowering high-yield method, comprises steps as follows:

[0042] 1) After the seedlings are planted in spring, from late May to early June of that year, when the new shoots germinated on the central trunk of the young trees grow to 28cm, use a bamboo toothpick with a tip length of 12-15cm at both ends, and insert one end into the new shoot that needs to be opened. In the bark of the tip, insert the other end into the central trunk, and pull the new shoot at an angle to make the opening angle of the new shoot reach 78°, and the opening angle position is 4cm away from the base of the tip.

[0043] 2) When the new shoot grows to 45cm, remove the top 5cm of the new shoot for the first topping, control the extension and growth of the new shoot, and promote the germination of short and medium branches at the rear end of the topping part; when the top axillary buds grow to 40cm after topping At the same time...

Embodiment 3

[0047] A kind of dwarf stock Fuji apple sapling controls crown and promotes flowering high-yield method, comprises steps as follows:

[0048]1) After the seedlings are planted in spring, from late May to early June of that year, when the new shoots germinated on the central trunk of the young trees grow to 20cm, use a bamboo toothpick with two pointed ends, and insert one end into the bark of the new shoots that need to be opened. The other end is inserted into the central trunk, and the new shoots are opened and pulled, so that the opening angle of the new shoots reaches 75°, and the opening angle is 5cm away from the base of the shoots.

[0049] 2) When the new shoot grows to 30cm, remove the top 10cm of the new shoot for the first topping, to control the extension and growth of the new shoot, and promote the germination of short and medium branches at the rear end of the topping part; when the top axillary bud and auxiliary shoot grow to 32cm after topping At the same time,...

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PUM

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Abstract

The invention relates to a dwarf stock Fuji apple sapling crawn-controlling, blossom-promoting and yield-increasing method. According to the method, 1-3 middle-short branches grow from each sapling branch and flower buds are formed by organically combining branch supporting and angle opening, continuous pinching and branch pulling and drooping according to growth and development characteristics and laws of Fuji apple sapling branches, uniaxial branch extending is avoided, crown extension is controlled, tree vigor is stabilized, the purposes of uniaxial extending of shoots, crown compactness, short branch growth promotion and early flowering and fruit bearing can be achieved, and the goals of flowering and fruit bearing within 2 year, yield increased within 3 years and high yield within 4-5 years are achieved.

Description

technical field [0001] The invention relates to a method for controlling the crown of Fuji apple saplings with dwarf stocks, promoting flower yield and high yield, and belongs to the technical field of apple cultivation. Background technique [0002] The cultivation of apples on short stock has the advantages of early fruiting, high yield, high quality, simple management, and easy mechanization. It has become the main planting mode in advanced apple production countries in the world, and it is also the mainstream direction of apple cultivation in China. If the vegetative growth of young apple trees on dwarf stock is excessive, the main branches will be long, the canopy will be large, and it will be difficult to form flowers; if the vegetative growth is insufficient, although it is easy to achieve the purpose of early fruiting, the tree vigor is prone to premature aging and the economic life will be damaged. Therefore, adjusting and maintaining the balance and stability of ve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/00A01G7/06
CPCA01G7/06A01G17/005
Inventor 薛晓敏王金政路超王贵平陈汝韩雪平聂佩显
Owner SHANDONG INST OF POMOLOGY
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