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Pre-harvest treatment method for apples

A pre-harvest treatment and apple technology, applied in the field of horticulture, can solve the problems of restricting apple taste, apple ripening and freezing damage, unfavorable apple appearance, etc., and achieves the effects of uniform coloring, improved fruit quality, and improved apparent quality.

Inactive Publication Date: 2019-07-12
山东省百年果蔬有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In areas with higher altitudes, the temperature difference between day and night is large, which helps to increase the sugar content of apples, but there are generally problems in high altitude areas with strong ultraviolet rays and low air humidity. Low air humidity also limits the taste of the apples
[0005] In addition, the development cycle of apple fruit is an important factor affecting fruit quality. Taking Fuji series apples as an example, the fruit development cycle is 170d-180d. It is difficult to reach the 170-180d development period in the current climate conditions of Fuji apple planting areas in China. cycle, apples are often under-ripe and face the problem of freezing damage

Method used

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Embodiment Construction

[0036] A kind of apple pre-harvest treatment method of the present invention,

[0037] Construction of orchards and trees

[0038] The layout of the orchard adopts 5m row spacing and 1.5m plant spacing, and the tree shape adopts "r" shape, that is, one fruit tree retains two main branches 3, and the main branches 3 are perpendicular to the row direction. The two main branches 3 grow opposite to each other, and are divided into two layers in vertical height. The height of the first layer from the ground 1 is 1-1.3m, and the height of the second layer from the ground 1 is 1.8-2.0m. The quantity of the main branches 3 is 200 / mu.

[0039] Within 3 years after the fruit tree is planted, it is only pruned without pruning, and the new shoot 31 on the main branch 3 is bent downward into a parabola by means of binding or other branches.

[0040] In the middle and late stages of fruit ripening, the following operations are performed:

[0041] S1. Selection of the main branch 3: selec...

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Abstract

The invention provides a pre-harvest treatment method for apples. In the middle and late periods for fruit maturation, main branches bearing fruits are integrally bagged by transparent plastic bags. The pre-harvest treatment method has the advantages that by the method, the sugar content of the apples can be remarkably increased, and the fruit quality can be improved.

Description

technical field [0001] The invention relates to the technical field of horticulture, in particular to a preharvest treatment method for apples. Background technique [0002] During the ripening process of apple tree fruit, the ambient temperature difference between day and night, air humidity and light intensity are all important factors affecting fruit quality. [0003] In areas with lower altitudes, the humidity in the environment is relatively high, and the light intensity is relatively weak, which helps to maintain the appearance of apples and improve the taste, but the weak light intensity makes the coloring effect of the fruit poor. At the same time, low-altitude areas, especially coastal areas, have a small temperature difference between day and night, which is not conducive to the accumulation of sugar in the fruit, and the sugar content of apples is relatively low. [0004] In areas with higher altitudes, the temperature difference between day and night is large, w...

Claims

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Application Information

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IPC IPC(8): A01G17/00A01G7/06A01G13/02
CPCA01G7/06A01G13/0237A01G17/005
Inventor 张书利范国玺范浩田
Owner 山东省百年果蔬有限公司