CN1951202A - A method for inhibiting pear black skin and black heart disease - Google Patents
A method for inhibiting pear black skin and black heart disease Download PDFInfo
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- CN1951202A CN1951202A CN 200610134263 CN200610134263A CN1951202A CN 1951202 A CN1951202 A CN 1951202A CN 200610134263 CN200610134263 CN 200610134263 CN 200610134263 A CN200610134263 A CN 200610134263A CN 1951202 A CN1951202 A CN 1951202A
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Abstract
The invention relates to a method for restraining pear black skin and black corn. Wherein, it comprises pear mature selecting step 1, cooling pretreatment process 2, and agent stifling process 3 in container; the general-pressure processing container has hollow space separated from outer space; the passive-pressure processing container has air pump and agent evaporator; said agent is 1- methacrylic; and the disperser is distilled water or deionized water; therefore, the invention can effectively restrain black skin and black corn, to prolong the storage period and quality.
Description
Technical field
The present invention relates to a kind of method that suppresses pears casting skin, black heart in fruit preservation and freshness in postpartum field.
Background technology
Pears casting skin, black heart are pear fruit storage deuterogenesis's the most serious physiological diseases, pears melanoderma symptom can show as the irregular patch of fawn, brown, pitchy and black according to the kind difference, expand to whole fruit face when serious, make fruit become yellowish-brown or black, pear, Laiyang Chi pears, chrysanthemum, August is red, brocade is fragrant, new high this disease of pears kind susceptible, and this disease only endangers pericarp, and do not relate to pulp, though do not influence ediblely, it is bad that fruit appearance becomes, and has a strong impact on commodity value.The black heart symptom is a brownheat, and also browning of pulp has the alcohol flavor when serious, pear, snowflake, long handle, Laiyang Chi pears, gold, bergamot pear, this disease of pears kind susceptible such as peace is of a specified duration, August is red.
The generation of pears casting skin, black heart not only influences fruit appearance quality and commodity value, has also shortened the storage period of fruit greatly, has reduced economic benefit.Studies show that for many years by the applicant: the pathogenic factor of pears casting skin, black heart be since fruit in storage, the ethene that self physiological change produces causes fruit senescence, brings out fruit pericarp, core brown (deceive) change.Thereby, suppress fruit ethene and generate the generation that can control or reduce physiological diseases such as pears casting skin, black heart.
The method that tradition suppresses the pears melanoderma is to use medicament such as ethoxyquin that pears are soaked fruit or adopt the paraffin oil paper bag really to handle, and reduces the generation of storage period pears melanoderma, reach to prolong the fruit purpose of storage period, but complex operation, and effect is not fairly obvious.The method that prevents the pears black heart at present mainly is timely collecting and controls storage environmental condition.
Summary of the invention
For under the prerequisite that keeps fruit quality, prolong the storage period of pears to greatest extent, reduce the generation of duration of storage casting skin, evil mind, the present invention has proposed a kind of method that suppresses pears casting skin, black heart by the pathogenic factor of research pears casting skin, black heart.This method adopts the stifling processing of ethylene inhibitor 1-methyl cyclopropene, solves the problem in lay up period pears casting skin, black heart.
The scheme that is adopted during technical solution problem of the present invention is: select operation 1, cooling pretreatment process 2 and carry out pharmacy fumigation treatment process 3 and finish in container handling through the pears maturity.The normal pressure container handling is the space that has built-in volume and can isolate with ambient atmosphere.The negative pressure container handling is air exhauster to be installed on container and have been handled the medicament evaporimeter.Used processing medicament is that 1-methyl ring third is rare, English name: 1-Methylcyclopropene, and abbreviation 1-MCP, used diffusant is distilled water or deionized water.
Beneficial effect: 1, adopt 1-methyl cyclopropene chemicals treatment can effectively suppress the generation of pears casting skin, black heart, keep fruit quality, prolong fruit storage period; 2, carrying out fruit in airtight non-pressure vessel or negative-pressure container handles, help the diffusion and the heavy attached and exchange of gas, institute's with medicament combines with the fruit ethylene receptor, and the generation of ethene suppressing and the performance of ethylene action suppress the generation of pears in duration of storage casting skin, black heart thereby reach.1-methyl cyclopropene reagent cost is low, low toxicity, noresidue, free from extraneous odour, and its method is workable, speed is fast, helps large-scale continuous processing pear fruit, and is convenient to form and handles streamline.The inventive method is fit to use in the pear fruit storage process.
Description of drawings
Fig. 1 is a fruit negative pressure container handling structure chart of the present invention
Among the figure: 1. negative pressure container handling, the 1.1. inlet/outlet, 2. air exhauster, the 2.1. exhaust tube is 3. handled the medicament evaporimeter, the 3.1. medicine container, the 3.2. diffusion chamber, the 3.3. wireway, 3.4. spread fluid catheter, and 3.5. spreads the liquid valve, and 3.6. spreads liquid container.
The specific embodiment
1., the pears maturity is selected operation
Select to pluck maturity 75～85% and the pear fruit that do not have breakage and a disease and pest do the cooling preliminary treatment and prepare;
2., cooling pretreatment process
Pretreated fruit is placed in the cool or precooling under the low temperature environment, made its temperature between 0～25 ℃, handle as pharmacy fumigation and prepare;
3., in container handling, carry out the pharmacy fumigation treatment process
A, in the normal pressure container handling, carry out the pharmacy fumigation treatment process:
To pack in the container handling through the fruit of precooling, the container of splendid attire 1-methyl cyclopropene is placed in the container handling, and diffusant distilled water or deionized water contacted with the 1-methyl cyclopropene, the 1-methyl cyclopropene is evaporated in container and spread, keep fruit to seal 12～24 hours in container handling, 0 ℃～25 ℃ of treatment temperatures are opened container handling, fruit is taken out, pack, preserve.
The normal pressure container handling is the normal pressure space container, as easy airtight space container such as polybag, the big account of plastics, rooms of buildings, cellar, freezer or air-conditioned cold store, when adopting the normal pressure space container, need to install air-flow mixing plant (as fan) in the vessel space, helping the diffusion of air-flow in the space, mainly is in order to make the fruit can be fully and comparatively fast absorb the 1-methyl cyclopropene.
B, in the negative pressure container handling, carry out the pharmacy fumigation treatment process:
Negative pressure container handling structure: both sides are respectively equipped with inlet/outlet 1.1 on the negative pressure container handling 1, on container top air exhauster 2 are installed, and the bottom is connected with handles medicament evaporimeter 3.The exhaust tube 2.1 of air exhauster communicates with the container handling inner chamber.Be connected in the wireway 3.3 of handling the medicine evaporimeter and the container handling, the wireway lower end is communicated with diffusion chamber 3.2, processing medicine kit 3.1 is installed in the diffusion chamber bottom, side at diffusion chamber is connected with diffusion fluid catheter 3.4, the diffusion fluid catheter is provided with diffusion liquid valve 3.5, is connected with diffusion liquid container 3.6 in diffusion fluid catheter upper end.
The stifling processing of fruit comprises: a, the pending fruit container operation of packing into; B, startup pumping with exhaust blower operation; C, stop the operation of bleeding; D, medicament and diffusant mixing gasifying operation; Operation is oozed in e, maintenance expansion; F, finish processing procedure and draw off the fruit operation.
A, the pending fruit container operation of packing into:
The pears that needs are handled are packed in carton or the plastic box, are loaded in and handle on car or the planker, and car or planker are pushed in the container handling by inlet/outlet, close inlet/outlet;
B, startup pumping with exhaust blower operation:
Open the air exhauster power switch, start air exhauster, part is extracted the air in the container handling out, makes the air pressure in the container handling reach negative pressure;
C, stop the operation of bleeding:
When the air pressure in the container handling reaches setting, close air exhauster, stop to bleed;
D, medicament and diffusant mixing gasifying operation:
The kit 3.1 of 1-methyl cyclopropene of will packing into is connected on the diffusion chamber 3.2, at the diffusion diffusion liquid of packing in the liquid container 3.6, open diffusion liquid valve 3.5, diffusion liquid is flowed in the kits by diffusion fluid catheter 3.4 contact with medicament, and cause and handle the medicament reaction, make it gasification;
Operation is oozed in e, maintenance expansion:
Medicament gas after the gasification is subject to processing the suction function in the container, is diffused in the container handling, treat institute pack into handle medicine and fully gasify after, keep the gas diffusion in the container handling, the retention time is between 12～24 hours;
F, finish processing procedure and draw off the fruit operation:
After reaching pre-determined process-time, open inlet/outlet, draw off fruit, finish processing procedure.Can handle the next batch fruit again.
Medicament gas is subject to processing the effect of negative pressure in the container, be diffused into rapidly in the container handling space and fully contact with pear fruit, because pear fruit air that its adhering on surface in the environment of negative pressure and moisture are partly siphoned away, and can be adsorbed on the fruit by the 1-methylcyclopropene gas that negative pressure sucks, and spread in pear fruit, combine with ethylene receptor in the pear fruit, ethene suppressing contacts with acceptor, thereby reach the generation that suppresses pears casting skin, black heart, prolong the storage period of pears.
Handle medicament use amount: 0.25mL～1.5mL/m
3
Pressure in the negative pressure container handling remains between 80000～90000 handkerchiefs.
The results showed: adopt the inventive method to handle pear fruit, can be substantially or suppress the generation of storage period pears casting skin, black heart fully, prolong storage period more than 3 months than conventional method, and shelf life prolongs greatly, fruit mouthfeel and local flavor keep better.
Claims (4)
1, a kind of method that suppresses pears casting skin, black heart is characterized in that: process pears maturity is selected operation 1, cooling pretreatment process 2 and is carried out pharmacy fumigation treatment process 3 and finish in container handling,
1., the pears maturity is selected operation
Plucking maturity does the cooling preliminary treatment at the pear fruit of 75～85% no breakage and disease and pest and prepares;
2., cooling pretreatment process
Pretreated fruit is placed in the cool or precooling under the low temperature environment, made its temperature between 0～25 ℃, handle as pharmacy fumigation and prepare;
3., in container handling, carry out the pharmacy fumigation treatment process
A, in the normal pressure container handling, carry out the pharmacy fumigation treatment process:
To pack in the container handling through the fruit of precooling, the container of splendid attire 1-methyl cyclopropene is placed in the container handling, and diffusant distilled water or deionized water contacted with the 1-methyl cyclopropene, the 1-methyl cyclopropene is evaporated in container and spread, keep fruit in container handling, to seal 12～24 hours, maintain the temperature between 0 ℃～25 ℃;
B, in the negative pressure container handling, carry out the pharmacy fumigation treatment process:
The pharmacy fumigation treatment process comprises: a, the pending fruit container operation of packing into; B, startup pumping with exhaust blower operation; C, stop the operation of bleeding; D, medicament and diffusant mixing gasifying operation; Operation is oozed in e, maintenance expansion; F, finish processing procedure and draw off the fruit operation;
A, the pending fruit container operation of packing into:
The pears that needs are handled are packed in carton or the plastic box, fruit is loaded in handles on car or the planker, and car or planker are pushed in the container handling by inlet/outlet, close inlet/outlet;
B, startup pumping with exhaust blower operation:
Open the air exhauster power switch, start air exhauster, extract the air in the container handling out, make the air pressure in the container handling reach negative pressure;
C, stop the operation of bleeding:
When the air pressure in the container handling reaches setting, close air exhauster, stop to bleed;
D, medicament and diffusant mixing gasifying operation:
The kit (3.1) of 1-methyl cyclopropene of will packing into is connected on the diffusion chamber (3.2), the diffusion liquid of in diffusion liquid container (3.6), packing into, open diffusion liquid valve (3.5), diffusion liquid is flowed in the kit by diffusion fluid catheter (3.4) to be contacted with medicament, and cause and handle the medicament reaction, make it gasification;
Operation is oozed in e, maintenance expansion:
Medicament gas after the gasification is subject to processing the suction function in the container, is diffused in the container handling, treat institute pack into handle medicine and fully gasify after, keep the gas diffusion in the container handling, the retention time is between 12～24 hours;
F, finish processing procedure and draw off the fruit operation:
After reaching pre-determined process-time, open inlet/outlet, draw off fruit, finish processing procedure.
2, the method for inhibition pears casting skin according to claim 1, black heart is characterized in that: handling medicament is the 1-methyl cyclopropene, use amount: 0.25mL～1.5mL/m
3
3, the method for inhibition pears casting skin according to claim 1, black heart is characterized in that: its pressure was between 80000～90000 handkerchiefs when the pharmacy fumigation processing of pears was carried out in negative pressure container handling inherence.
4, inhibition pears casting skin according to claim 1, the method of black heart, it is characterized in that: negative pressure container handling (1) is gone up both sides and is respectively equipped with inlet/outlet (1.1), air exhauster (2) is installed on container top, the bottom is connected with handles medicament evaporimeter (3), the exhaust tube of air exhauster (2.1) communicates with the container handling inner chamber, be connected in the wireway (3.3) of handling the medicine evaporimeter and the container handling, the wireway lower end is communicated with diffusion chamber (3.2), processing medicine kit (3.1) is installed in the diffusion chamber bottom, side at diffusion chamber is connected with diffusion fluid catheter (3.4), the diffusion fluid catheter is provided with diffusion liquid valve (3.5), is provided with diffusion liquid container (3.6) in diffusion fluid catheter upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610134263 CN1951202A (en) | 2006-11-10 | 2006-11-10 | A method for inhibiting pear black skin and black heart disease |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610134263 CN1951202A (en) | 2006-11-10 | 2006-11-10 | A method for inhibiting pear black skin and black heart disease |
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| CN1951202A true CN1951202A (en) | 2007-04-25 |
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| CN 200610134263 Pending CN1951202A (en) | 2006-11-10 | 2006-11-10 | A method for inhibiting pear black skin and black heart disease |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102038033A (en) * | 2010-12-09 | 2011-05-04 | 江南大学 | Composite fresh preservation method for prolonging shelf life of refrigerated fresh lotus seeds |
| CN102461645A (en) * | 2010-11-14 | 2012-05-23 | 中国科学院华南植物园 | Storage and fresh-keeping method of hibiscus esulentus L. tender pod |
| CN102669261A (en) * | 2012-05-29 | 2012-09-19 | 甘肃省农业科学院农产品贮藏加工研究所 | Method for restraining brown stain of huang-guan pear cores |
| CN102763722A (en) * | 2012-05-11 | 2012-11-07 | 北京市农林科学院 | Melanoderma control technique for early red comice pear |
| CN102771548A (en) * | 2012-07-27 | 2012-11-14 | 河北省农林科学院遗传生理研究所 | Method for suppressing browning of Wujiuxiang pear fruit |
| CN103070222A (en) * | 2013-01-09 | 2013-05-01 | 华南农业大学 | Method for controlling pineapple's blackheart disease by low-temperature treatment |
| CN103392787A (en) * | 2013-07-30 | 2013-11-20 | 西南大学 | Application of hexaldehyde in preparation of strawberry preservative and method |
-
2006
- 2006-11-10 CN CN 200610134263 patent/CN1951202A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102461645A (en) * | 2010-11-14 | 2012-05-23 | 中国科学院华南植物园 | Storage and fresh-keeping method of hibiscus esulentus L. tender pod |
| CN102461645B (en) * | 2010-11-14 | 2013-06-19 | 中国科学院华南植物园 | Storage and fresh-keeping method of hibiscus esulentus L. tender pod |
| CN102038033A (en) * | 2010-12-09 | 2011-05-04 | 江南大学 | Composite fresh preservation method for prolonging shelf life of refrigerated fresh lotus seeds |
| CN102038033B (en) * | 2010-12-09 | 2012-08-22 | 江南大学 | Composite fresh preservation method for prolonging shelf life of refrigerated fresh lotus seeds |
| CN102763722A (en) * | 2012-05-11 | 2012-11-07 | 北京市农林科学院 | Melanoderma control technique for early red comice pear |
| CN102669261A (en) * | 2012-05-29 | 2012-09-19 | 甘肃省农业科学院农产品贮藏加工研究所 | Method for restraining brown stain of huang-guan pear cores |
| CN102771548A (en) * | 2012-07-27 | 2012-11-14 | 河北省农林科学院遗传生理研究所 | Method for suppressing browning of Wujiuxiang pear fruit |
| CN102771548B (en) * | 2012-07-27 | 2014-01-01 | 河北省农林科学院遗传生理研究所 | Method for suppressing browning of Wujiuxiang pear fruit |
| CN103070222A (en) * | 2013-01-09 | 2013-05-01 | 华南农业大学 | Method for controlling pineapple's blackheart disease by low-temperature treatment |
| CN103392787A (en) * | 2013-07-30 | 2013-11-20 | 西南大学 | Application of hexaldehyde in preparation of strawberry preservative and method |
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Open date: 20070425 |