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Pitaya cold damage control method

A technology for pitaya and chilling injury, which is applied in the field of prevention and control of chilling injury in the postharvest storage process of pitaya, can solve the problem of not being able to take into account the actual production requirements and gaps of nutritional taste at the same time, and achieves maintaining hardness and nutrient content, prolonging life and quality. , the effect of reducing water loss

Pending Publication Date: 2020-02-07
SOUTH CHINA AGRI UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In summary, although the existing low-temperature storage technology of dragon fruit in China has a certain effect, there is a problem that it cannot take into account the nutritional taste and meet the actual production requirements at the same time, and there is a certain gap with foreign technologies.

Method used

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  • Pitaya cold damage control method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] A method for preventing and treating dragon fruit chilling injury, comprising the following steps:

[0043] (1) Choose a dragon fruit that has no damage on the surface and has not completely turned red;

[0044] (2) Spray medicinal liquid A 3 days before adopting; medicinal liquid A comprises 1 part of auxin, 5 parts of calcium fertilizer and 70 parts of mulberry leaf juice in parts by weight;

[0045] (3) spray liquid B after harvest; liquid B contains brassinolide, gibberellin, ethanol solution, trehalose, bletilla striata polysaccharide, chitosan, PBS and water;

[0046] (4) Packing;

[0047] (5) Store at room temperature for 6 hours;

[0048] (6) Spray liquid medicine B again;

[0049] (7) cold storage disinfection;

[0050] (8) Cool down sequentially.

[0051] The preparation method of the medicinal liquid A is as follows: add calcium fertilizer to the mulberry leaf juice and mix evenly, then add activated carbon with a mass of 0.3% of the mixed solution, stir a...

Embodiment 2

[0066] A method for preventing and treating dragon fruit chilling injury, comprising the following steps:

[0067] (1) Choose a dragon fruit that has no damage on the surface and has not completely turned red;

[0068] (2) Spray medicinal liquid A 4 days before adopting; medicinal liquid A comprises 1.5 parts of auxin, 7 parts of calcium fertilizer and 75 parts of mulberry leaf juice in parts by weight;

[0069] (3) spray liquid B after harvest; liquid B contains brassinolide, gibberellin, ethanol solution, trehalose, bletilla striata polysaccharide, chitosan, PBS and water;

[0070] (4) Packing;

[0071] (5) Store at room temperature for 7 hours;

[0072] (6) Spray liquid medicine B again;

[0073] (7) cold storage disinfection;

[0074] (8) Cool down sequentially.

[0075] The preparation method of the medicinal liquid A is as follows: add calcium fertilizer to the mulberry leaf juice and mix evenly, then add 0.4% activated carbon into the mixed solution, stir at a cons...

Embodiment 3

[0090] A method for preventing and treating dragon fruit chilling injury, comprising the following steps:

[0091] (1) Choose a dragon fruit that has no damage on the surface and has not completely turned red;

[0092] (2) Spray medicinal liquid A 5 days before adopting; medicinal liquid A comprises 2 parts of auxin, 8 parts of calcium fertilizer and 80 parts of mulberry leaf juice in parts by weight;

[0093] (3) spray liquid B after harvest; liquid B contains brassinolide, gibberellin, ethanol solution, trehalose, bletilla striata polysaccharide, chitosan, PBS and water;

[0094] (4) Packing;

[0095] (5) Store at room temperature for 8 hours;

[0096] (6) Spray liquid medicine B again;

[0097] (7) cold storage disinfection;

[0098] (8) Cool down sequentially.

[0099] The preparation method of the medicinal liquid A is as follows: add calcium fertilizer to the mulberry leaf juice and mix evenly, then add activated carbon with a mass of 0.5% of the mixed solution, sti...

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Abstract

The invention belongs to the technical field of agricultural food science, and particularly relates to prevention and treatment of cold damage in the postharvest storage process of pitaya. The preparation method specifically comprises the following steps: (1) selecting pitaya which is not damaged in appearance and does not turn red completely; (2) spraying a liquid medicine A 3-7 days before harvesting; (3) spraying a liquid medicine B after harvesting; (4) boxing; (5) storing at normal temperature for 6-8 hours; (6) spraying the liquid medicine B again; (7) disinfecting a refrigeration house;and (8) cooling in sequence. According to the method, peel yellowing and fruit rotting caused by cold damage and pathogenic bacteria in the low-temperature storage process of the pitaya can be obviously inhibited; the moisture loss of the pitaya is reduced, the hardness and the nutrient content of the pitaya are kept, the postharvest life and quality of the pitaya can be effectively prolonged, the original quality of the fresh pitaya preserved by the method of the invention at low temperature can still be kept on the 31st day, and the good fruit rate reaches 97% or above.

Description

technical field [0001] The invention belongs to the field of agricultural food science and technology, and in particular relates to the prevention and treatment of chilling injury in the postharvest storage process of pitaya. Background technique [0002] Dragon fruit (Hytocereus undatus Britt&Rose) is loved by consumers because of its delicious texture and rich nutritional value. Nowadays, the storage of dragon fruit is low-temperature storage, and dragon fruit is a cold-sensitive fruit, which is prone to chilling damage, manifested as skin depressions, fleshy rot, etc. At the same time, the invasion of pathogenic bacteria has further aggravated the chilling damage of pitaya, seriously affecting the quality of pitaya. quality. Therefore, how to reduce the occurrence of chilling injury in the pitaya low temperature storage process is to prolong the pitaya storage period and improve the quality of storage and transportation. [0003] Chinese patent CN201910158748.7 provides...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/16A01G7/06A61L2/18A01N65/08A01N43/38A01N37/10A01N43/22A01N45/00A01N43/12A01N43/16A01P21/00A01P1/00
CPCA23B7/16A01G7/06A61L2/18A01N65/00A01N65/08A01N43/38A01N37/10A01N43/22A01N45/00A01N43/12A01N43/16
Inventor 陈建业徐燕梅罗冬兰巴良杰曹森马超王瑞吉宁
Owner SOUTH CHINA AGRI UNIV
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