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Method for improving pomelo sugar content and quality

A sugar and grapefruit technology, applied in the field of improving the sugar content and quality of grapefruit, can solve the problems of increasing the temperature difference between day and night in the film, poor taste, large rainfall, etc., and achieve the effect of increasing the temperature difference between day and night, stable quality, and conducive to accumulation.

Inactive Publication Date: 2019-02-15
INST OF TROPICAL & SUBTROPICAL CASH CROP YUNNAN ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the technical defects existing in the prior art, the object of the present invention is to provide a method for improving the pomelo sugar content and its quality. By covering the crown top of fruiting pomelo trees with a film, the temperature difference between day and night in the film is increased, thereby solving the problem of hot and humid planting of pomelo. Heavy rainfall in the region makes it difficult to accumulate sugar in pomelo, low sugar content, and poor taste, which seriously affect the overall quality of pomelo fruit in pomelo orchards

Method used

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  • Method for improving pomelo sugar content and quality

Examples

Experimental program
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Effect test

Embodiment 1

[0018] A technology for increasing sugar and quality of grapefruit, including the following steps:

[0019] (1) Rain cover time

[0020] Grapefruit shelters from rain for 1 to 1.5 months. From late July to August each year, in the late stage of pomelo fruit swelling, 1 to 1.5 months before fruit picking, which is also the month when the rain is concentrated, a thin layer of mulch film is covered on the pomelo tree.

[0021] (2) Choice of cover film

[0022] Choose a plastic film that can shelter from rain and have good light transmission performance or a covering material that can achieve the same effect. The selected material can achieve the effect of rain shelter, but does not affect the absorption of light by the pomelo tree, and the rain shelter material does not affect the normal growth of the pomelo tree.

[0023] (3) Cultivation management before rain shelter

[0024] Before mulching, the management of the grapefruit orchard is basically similar to that of the open field. The co...

Embodiment 2

[0033] Example 2 Field experiment

[0034] The experiment used crystal honey pomelo and grapefruit grown in the field as materials for open-air cultivation and rain-proof mulching cultivation. In 2016 and 2017, during the harvest period of pomelo fruit, the soluble solid content was measured at the same time. The results are shown in Table 1.

[0035] Table 1 Measured results of soluble solids in open-air cultivation and rain-sheltered cultivation

[0036]

[0037] It can be seen from Table 1 that the soluble solids of crystal honey pomelo and Guanxi honey pomelo are higher than that of open-air cultivation through rain-proof mulching cultivation measures. The main reason is to increase the temperature difference between day and night in the pomelo garden, which is conducive to the accumulation of sugar. The soluble solid content of crystal honey pomelo reaches 12.20% to 13.40%, and the soluble solid content of grapefruit reaches 12.25% to 13.92%. The cultivation is protected from ra...

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Abstract

The invention discloses a method for improving pomelo sugar content and quality. The method comprises the steps that a pomelo tree body is coated with a thin layer of covering membrane from late Julyto August every year at the later period of pomelo fruit swelling and 1-1.5 months before fruits are picked, namely in months when there exists more rain water, and the diurnal temperature in the membrane is increased. By means of the method, the diurnal temperature of a pomelo orchard is increased to facilitate the accumulation of sugar content, soluble solids of crystal honey pomelo reaches up to 12.20%-13.40%, the soluble solids of grapefruits reaches up to 12.25%-13.92%, the quality of pomelo fruits which are cultured by rain sheltering membrane coating is more stable, the influence by therain water is extremely low, and better quality is ensured even in years when there exists more rain water.

Description

Technical field [0001] The invention belongs to the technical field of grapefruit planting, and specifically relates to a method for improving the sugar content and quality of grapefruit. Background technique [0002] The grapefruit tree, also known as "wendan", "luan", and "throw", is an evergreen small tree in the Rutaceae family. Grapefruit trees like to grow in warm and humid areas with an altitude of 600-1400 meters. In my country, it is mainly produced in southern regions such as Fujian, Jiangxi, Hunan, Guangdong, Guangxi, Zhejiang, Sichuan and Yunnan. In addition to planting in China, it is cultivated in many countries and regions in Southeast Asia. For example, the United States, Cuba, South Africa, Brazil, Argentina and Japan are also the main producing areas of grapefruit. Grapefruit is fragrant, sweet and sour, cool and moist, rich in nutrition, and has high medicinal value. It is one of the fruits that people like to eat. [0003] At present, there are many varieties...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/00A01G13/00A01G13/02A01N61/02A01N43/90A01N47/14A01P7/00A01P1/00A01P3/00
CPCA01G13/00A01G13/02A01G17/005A01N43/90A01N47/14A01N61/02
Inventor 王自然周东果杨帆李进学高俊燕岳建强周先艳王绍华董美超郭莉娜赵俊
Owner INST OF TROPICAL & SUBTROPICAL CASH CROP YUNNAN ACAD OF AGRI SCI
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