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Method for natural balanced branch retaining to distract apical dominance of fruit tree

A fruit tree and head-dropping technology, applied in horticultural methods, botanical equipment and methods, horticulture, etc., can solve the problems of a large number of rot diseases, delayed fruiting, shortening the fruiting life of fruit trees, etc. The effect of improving the quality of crops and fruits

Active Publication Date: 2018-11-13
冯海明
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the winter pruning of modern orchards, there are various pruning methods and tree shapes, such as small canopy sparse layer shape, evacuated layered shape, free spindle shape, happy shape, etc. However, in practical applications, tree potential, mechanical shape, Dogmatic operation, after pruning the fruit tree, there are problems such as tree vigor, branch growth, tree vigor instability, delayed fruiting, and even greatly shorten the fruiting life of the fruit tree
[0004] The mechanical transformation of the formed tree, large-scale felling, violates the habit of the fruit tree, resulting in delayed fruiting and unstable tree vigor
Most of the existing pruning methods for various fruit trees are directly sawing off to reach the height required by the shape, regardless of the variety or tree potential, resulting in severe reactions after pruning fruit trees, severe two-stage differentiation between strong and weak, and wound infection at the head drop , forming a large number of rot diseases

Method used

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  • Method for natural balanced branch retaining to distract apical dominance of fruit tree

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Head drop for apricot trees includes the following steps:

[0023] 1) After fruit picking in autumn and before the winter solstice, select fruit trees with a tree age of more than 7 years, a central trunk height greater than 3.5m, 8-10 main branches, and a crown light transmittance lower than 30%;

[0024] 2) For the large branches of the fruit tree that grow upwards, according to the tree shape, select the uppermost main branch at the height of 2.5-3m of the large branch, and extend upward from the uppermost main branch to select the first small branch. The small branch is located at The 90-270 degree orientation of the uppermost main branch is preferably positioned at the opposite position of the uppermost main branch; the upper part of the place where the twig grows is used as the lower sawing, and the lower sawing direction is obliquely 30 degrees, and the head is dropped; pruning until The thickness of the leaf curtain is 2.2 meters, the height of the tree is contr...

Embodiment 2

[0027] Head drop for walnut trees includes the following steps:

[0028] 1) When picking leaves in autumn, choose fruit trees with a tree age of more than 10 years, a central trunk height greater than 3m, 8-10 main branches, and a crown light transmittance lower than 20%;

[0029] 2) For the large branches of the fruit tree that grow upwards, according to the tree shape, select the uppermost main branch at the height of 2.5-3m of the large branch, and extend upward from the uppermost main branch to select the first small branch. The small branch is located at The 90-270 degree orientation of the uppermost main branch is preferably positioned at the opposite position of the uppermost main branch; the upper part of the place where the twig grows is used as the lower sawing, and the lower sawing direction is obliquely 40 degrees, and the lower sawing is carried out; pruning , until the thickness of the leaf curtain is 2.5 meters, the height of the tree is controlled at 2.9-3.1m, ...

Embodiment 3

[0032] There is an apple orchard in Linyi, Yuncheng City. The fruit trees in the garden have tall crowns, dense inner chambers, and vigorous trees.

[0033] Trim steps:

[0034] Before the winter solstice, for the fruit trees that grow upwards in the garden, first select a main branch at 2.5-3m from bottom to top as the top main branch on the trunk, such as figure 1 As shown, select a twig on the trunk where the main branch of the uppermost layer is upward and is located in the opposite position of the main branch of the uppermost layer. ; Apply healing agent to the cross section of the drop saw kerf;

[0035] The twigs can restrain the growth of the lower main branches, and the twigs can be pruned as required during the growth process, or the branch layout can be carried out, and then cultivated into medium-sized fruiting branches.

[0036] According to the needs, the method of retaining small branches can also be used to trim the side branches that are dense and poor in li...

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Abstract

The invention discloses a method for natural balanced branch retaining to distract apical dominance of a fruit tree. The method comprises the following steps that after fruits of the fruit tree are harvested in autumn and before buds are germinated in the next year, a fruit with the characteristics that the tree age is 7 or above, the height of a central trunk is larger than 3.5 meters, the numberof main braches is 8-10, and the light transmittance of the tree crown is less than 30% is selected; for large branches growing upward vigorously of the tree fruit, the upper portion of a 2.5-3-meter-high position where a first small branch grows is taken as a sawing notch, the sawing direction is inclined 30-40 degrees, so that tree head cutting is carried out; a healing agent is applied to thecross section of the sawing notch where tree head cutting is carried out; branch stretching and layout are carried out on the small branch to cultivate the small branch into a middle-size bearing branch set. The method for natural balance branch retaining to distract the apical dominance of the fruit tree has the advantages of being natural and balanced, fully utilizing fruit tree characteristics,making the tree vigor stable, and prolonging the bearing life of the tree fruit body.

Description

technical field [0001] The invention discloses a method for naturally balancing branches of fruit trees to prevent head drop, and belongs to the technical field of fruit tree planting. Background technique [0002] With the continuous increase of fruit tree planting density, the phenomenon of orchard canopy closure is becoming more and more serious, which affects the improvement of fruit tree yield and fruit quality. Therefore, in the pruning of fruit trees, special attention should be paid to the ventilation and light transmission of the densely planted garden, and controlling the height of the tree is an important factor to ensure the ventilation and light transmission of the orchard. Because fruit trees have top advantages, the pruning of tree heads has become an important technical link in orchard management, and it is also a difficult point. [0003] In the winter pruning of modern orchards, there are various pruning methods and tree shapes, such as small canopy sparse...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G7/06
CPCA01G7/06
Inventor 冯海明
Owner 冯海明