CN104521600A

CN104521600A - Method for prolonging storage period of Angeleno plum fruit

Info

Publication number: CN104521600A
Application number: CN201510001937.5A
Authority: CN
Inventors: 顾玉红; 赵志磊; 陈培云; 其他发明人请求不公开姓名
Original assignee: Hebei Agricultural University; Hebei University
Current assignee: Hebei Agricultural University; Hebei University
Priority date: 2015-01-05
Filing date: 2015-01-05
Publication date: 2015-04-22
Anticipated expiration: 2035-01-05
Also published as: CN104521600B

Abstract

The invention discloses a method for prolonging the storage period of Angeleno plum fruit. Different from the technology for prolonging the storage period of Angeleno plum fruit after post-harvest treatment, the fruit quality is improved through pre-harvest treatment, and therefore the fruit softening is delayed, and the storage period is effectively prolonged. The method includes the specific steps of preparing a solution, wherein the concentration of gibberellin ranges from 10 mg/L to 50 mg/L, the concentration of naphthylacetic acid ranges from 5 mg/L to 50 mg/L, the concentration of 6-benzyladenine ranges from 10 mg/L to 50 mg/L, the concentration of salicylic acid ranges from 0.1 mmol/L to 10 mmol/L, and the concentration of oxalic acid ranges from 1 mmol/L to 10 mmol/L; conducting the first time of spraying 30 days to 80 days before harvesting on whole trees till water drops; conducting spraying once every 7 days to 15 days, and conducting harvesting 20 days to 40 days after the last time of spraying, wherein 2 times to 4 times of spraying is conducted in total. The fruit can be stored for 40 days at the temperature of 25 DEG C and can be stored for 100 days at the temperature of 0 DEG C. The method has the advantages that operation is easy, large-area popularization is easy, the method can be combined with pest control to be conducted, the fruit softening is extremely remarkably delayed, and the storage period is prolonged.

Description

A kind of method extending the Angeleno plum fruit storage phase

Technical field

This technology belongs to postharvest technology of fruits and vegetables field, is specifically related to a kind of preservation technique of Angeleno plum.

Background technology

What Li Shi China was traditional one of cultivates apple trees.Plum fruit is with rich flavor, nutritious, and be the dark fruit by domestic and international consumers welcomed, area under cultivation expands rapidly in recent years, and area under cultivation and the output of China all rank first in the world.Angeleno plum is a kind of kind from U.S.'s introduction to China, and single fruit weight is high, and pulp is comparatively hard, and pericarp is abundant, and taste is fragrant and sweet dense, and edible rate can reach about 98%.Be subject to liking of China consumer with the profile of its uniqueness, color, taste, its cultivated area expands rapidly.' An Genuo ' plum fruit generally about mid-September maturation gather, deposit fruit at normal temperatures and start very soon to soften, this pole be unfavorable for Lee fruit storing and shelf-life extension.The technology that current existing delayed fruit is softened is many at postharvest handling, such as refrigerate, controlled atmosphere preservation, the measures such as coating-film fresh-keeping and 1-MCP process delayed fruit to a certain extent softening, but have no the report of pre-harvest treatment at present, the present invention regulates the growth and development process of fruit by pre-harvest treatment, improve the hardness of fruit and soluble solid content, improve fruit quality, thus the softening physiology of effective delayed fruit, significant prolongation storage period, increase economic efficiency.

Summary of the invention

The present invention is different from the preservation technique that postharvest handling extends Angeleno plum storage period, is to improve fruit quality by pre-harvest treatment, thus delayed fruit is softened, and effectively extends storage period, reaches fresh-keeping object.

Specific practice of the present invention:

(1) first dissolve gibberellin, methyl α-naphthyl acetate with the alcohol of 75%, configuration concentration is gibberellin 10-50 mg/L, methyl α-naphthyl acetate 5-50 mg/L, 6-benzyl purine 10-50 mg/L, salicylic acid 0.1-10 mmol/L, oxalic acid 1-10 mmol/L.

(2) within before gathering 80-30 days, spray first time, full tree sprays, to drip for degree.

(3) sprayed once every 7-15 days, spray 2-4 time altogether, can gather after spraying 20-40 days for the last time.

(4) fruit after gathering is placed in 25 DEG C or 0 DEG C of storage.

(5) benefit of the present invention is simple to operate, is easy to spread, can carry out in conjunction with the extermination of disease and insect pest simultaneously, can pole significantly improve the hardness of fruit, delayed fruit softening, extend the storage period of Angeleno plum fruit, reach fresh-keeping object.

accompanying drawing illustrates:

Fig. 1 is the impact of preharvest spraying process on Angeleno plum 25 DEG C of duration of storage hardnesses of fruit.

Fig. 2 is the impact of preharvest spraying process on Angeleno plum 25 DEG C of duration of storage fruit soluble solids contents.

Fig. 3 is the impact of preharvest spraying process on Angeleno plum 0 DEG C of duration of storage hardness of fruit.

Fig. 4 is the impact of preharvest spraying process on Angeleno plum 0 DEG C of duration of storage fruit soluble solids content.

embodiment:

Embodiment 1:

First dissolve gibberellin, methyl α-naphthyl acetate respectively with the alcohol of 75%, configuration concentration is gibberellin 20 mg/L, methyl α-naphthyl acetate 10 mg/L, 6-benzyl purine 20 mg/L, salicylic acid 1 mmol/L, oxalic acid 5 mmol/L; Gather and within first 50 days, spray first time, full tree sprays, to drip for degree; Sprayed once every 10 days, spray 3 times altogether, can gather after spraying 20 days for the last time; Fruit after gathering is placed in 25 DEG C of storages 40 days, and result of study shows, when Lee fruit of preharvest spraying process is gathered, hardness significantly improves, and 25 DEG C of storages, 40 days hardnesses of fruit are still higher than 4kg/cm ², and contrast fruit storage 20 days hardness is lower than 2kg/cm ², ^,storage period extends 20 days; Pre-harvest treatment also improves the soluble solid content of fruit, and has delayed the decline of 25 DEG C of duration of storage soluble solids content, has delayed 20 days; Namely to have delayed Lee fruit of 25 DEG C of duration of storage softening in preharvest spraying process, extends storage period, see shown in accompanying drawing 1 and accompanying drawing 2.

Embodiment 2:

First dissolve gibberellin, methyl α-naphthyl acetate respectively with the alcohol of 75%, configuration concentration is gibberellin 20 mg/L, methyl α-naphthyl acetate 10mg/L, 6-benzyl purine 20 mg/L, salicylic acid 1 mmol/L, oxalic acid 5 mmol/L; Gather and within first 50 days, spray first time, full tree sprays, to drip for degree; Sprayed once every 10 days, spray 3 times altogether, can gather after spraying 20 days for the last time; Preserve 100 days at fruit after gathering is placed in 0 DEG C; Regular random sampling measures relative physiologic index, and result of study shows, when Lee fruit of preharvest spraying process is gathered, hardness significantly improves, and 0 DEG C of storage, 100 days hardnesses of fruit are 7.87 kg/cm ², and contrast fruit storage 50 days hardness is 7.59 kg/cm ², ^,storage period extends 50 days; Pre-harvest treatment also improves the soluble solid content of fruit, and has delayed the decline of 0 DEG C of duration of storage soluble solids content, has delayed 50 days; Namely preharvest spraying process has delayed the fruit softening of duration of storage, extends storage period, sees shown in accompanying drawing 3 and accompanying drawing 4.

Claims

1. one kind extends the method for Angeleno plum fruit storage phase, it is characterized in that comprising the following steps: configuration concentration is the aqueous solution of gibberellin 10-50 mg/L, methyl α-naphthyl acetate 5-50 mg/L, 6-benzyl purine 10-50 mg/L, salicylic acid 0.1-10 mmol/L, oxalic acid 1-10 mmol/L, Japanese plum is sprayed after being mixed by medicament, picking fruit after spraying 20-40 days for the last time, extends storage time.

2. method according to claim 1, is characterised in that before gathering after step (1) 80-30 days and sprays first time, and full tree sprays, to drip for degree.

3. method according to claim 1, is characterised in that: sprayed once every 7-15 days, spray 2-4 time altogether, can picking fruit after spraying 20-40 days for the last time.

4. method according to claim 1, is characterised in that: the Angeleno plum fruit after gathering can in normal temperature 20-25 DEG C of storage 40 days or low temperature 0-10 DEG C of storage 100 days, and at 25 DEG C, storage period extends 20 days, and at 0 DEG C, storage period extends 50 days.