Method for improving fresh-keeping effect of blueberries

A technology of blueberry and preservative, applied in horticultural methods, botanical equipment and methods, preservation of fruits/vegetables by freezing/refrigeration, etc., can solve problems such as SA that have not yet been seen, and achieve good application prospects, good preservation effect, and dosage. less effect

Inactive Publication Date: 2018-10-09
INST OF BOTANY JIANGSU PROVINCE & CHINESE ACADEMY OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is no research on SA in the pre-harvest preservation of blueberry fruit

Method used

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  • Method for improving fresh-keeping effect of blueberries
  • Method for improving fresh-keeping effect of blueberries
  • Method for improving fresh-keeping effect of blueberries

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment 1 (for testing blueberry kind is garden blue), carry out according to the following steps:

[0026] (1) Select under the rain shelter cultivation conditions (where the rain shelter is a multi-span greenhouse with a shoulder height of 1.80-2.00 m, a top height of 2.80-3.00 m, and a span of 7.50-8.00 m, and the shed is surrounded by 40-60 mesh transparent nylon Anti-insect net) planted 5-year-old, 24 robust blueberry (Yuanlan) plants with consistent growth, 18 of which were sprayed with different concentrations of SA, and the remaining 6 were sprayed with water.

[0027] (2) Dissolve salicylic acid (SA) with 75% alcohol first, and prepare SA concentrations of 0, 0.5, 1.0 and 1.5 mmol / L.

[0028] (3) After the blueberry plants set fruit, spray the whole tree. The surface of the leaves and fruits are completely wet, and the water is used as a control.

[0029] (4) Spray once every two weeks, each time at 9 o'clock in the morning, spray 4 times in total, and harv...

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Abstract

The invention provides a method for improving a fresh-keeping effect of blueberries. The method mainly relates to the following steps: spraying treatment is performed on blueberry leaves and fruits after fruit setting by using 0.5-1.5 mmol/L salicylic acid (SA) under the condition of rain sheltering cultivation until the surfaces of the leaves and the fruits are completely wet, spraying is performed once every two weeks, spraying is performed for 4 times, after the fruits are mature, sorting is performed, packaging is performed, and the packaged blueberries are stored at temperature of 0 DEG Cor lower. The method provided by the invention effectively improves hardness and antioxidant capacity of the fruits, maintains good quality of the fruits, slows down metabolism of the fruits, and delays an aging process of the blueberry fruits during storage, thereby achieving the purpose of prolonging fresh keeping time; as a natural reagent, the SA plays an important role in the processes of plant development and fruit ripening, and the SA has the advantages of low processing costs, a low using amount and safe and convenient use in an application of fresh keeping of the blueberry fruits; and the method has reasonable design, simple operation and lower requirements on equipment, only needs less costs, and can be widely operated, demonstrated, promoted and applied.

Description

technical field [0001] The invention belongs to a fruit storage and fresh-keeping method, and relates to a pre-harvest fresh-keeping method for blueberries, in particular to regulating the growth and development of pre-harvest blueberry plants and the anti-oxidation and anti-oxidative properties of fruits under rain-shelter cultivation conditions through the plant growth regulator salicylic acid. Disease ability, combined with post-harvest low-temperature storage preservation method. Background technique [0002] Blueberry fruit is rich in nutrition, bright in color and unique in flavor. In recent years, with the continuous improvement of people's living standards, the demand for fresh blueberries is also increasing. However, blueberries will become soft and dehydrated after being left at room temperature for about 3-7 days after harvesting, and even rotten and deteriorated, which greatly limits the production and sales radius of blueberries. How to delay the decline of fr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/00A01G7/06A23B7/04
CPCA01G17/005A01G7/06A23B7/04
Inventor 杨海燕董珊珊黄正金吴文龙闾连飞
Owner INST OF BOTANY JIANGSU PROVINCE & CHINESE ACADEMY OF SCI
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