JP3129545B2 - Method and apparatus for cryopreserving plants - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a low-temperature storage device for preserving plant branches and the like for a long period of time while maintaining freshness.
97%) and at a low temperature (approximately 0 to -3 ° C), the plant branches are kept upright or inclined, and the lower part is immersed in water, and preserved for a long time while maintaining freshness. The present invention relates to a low-temperature preservation apparatus and a low-temperature preservation method for plants, such as flowers, fruit trees, and flowering trees, which are capable of doing so.

[0002]

2. Description of the Related Art Conventionally, when preserving branches and the like of plants such as flowers, fruit trees, and flowering trees, the freshness is generally maintained when the temperature is kept at a relatively low temperature. Have been kept at a relatively low temperature to maintain its freshness.

[0003] In this case, the condition of relatively low temperature is a so-called refrigeration area of about 5 ° C, and in this temperature area, it is possible to maintain the freshness of a branch of a plant or the like. Even so, the period during which the freshness can be maintained is relatively short, so-called freshness drop is remarkable, and the activity of water immersed in plant branches is reduced due to the occurrence of mold and the like. There is a problem that frequent replacement of the immersion water is required, and the management of the immersion water requires a lot of labor, and the development of an effective storage means for solving the problem is desired. Was.

[0004] In addition, storage in a minus temperature range may cause freezing of water, and storage of plant branches and the like in a low temperature range below the refrigeration temperature zone has no facility for storage. Except in special cases, it was rarely done.

[0005]

Therefore, the present inventors consider variously the preservation technique in a low temperature region such as a branch of a plant such as a flower, a fruit tree, or a flower tree in view of such a situation. Among them, as a result of intensive studies with the aim of developing a technique for maintaining the freshness of the branches and the like of the plant in the minus temperature range, high humidity (about 50 to 97
%) And the use of a specific storage device capable of maintaining the temperature in a low temperature (about 0 to -3 ° C.) zone, it has been found that the freshness of plant branches and the like can be maintained for a long period of time. Reached.

That is, the present invention provides a low-temperature preservation device for a branch of a plant, which can maintain the freshness of the branch of the plant such as a flower, a fruit tree, or a flower tree for a long period of time. It is the purpose.

[0007] The present invention also provides a hermetically sealed low-temperature storage device capable of holding plants, such as flowers, fruit trees, and flowering trees, at high humidity and in a low temperature range of about 0 to -3 ° C. It is an object of the present invention to provide a new type of plant cryopreservation device for storing and stably maintaining its freshness over a long period of time, and a cryopreservation method of the plant using the cryopreservation device. is there.

[0008]

The structure of the present invention for achieving the above object comprises the following technical means (1) and (2). (1) A sealed low-temperature storage device capable of maintaining high humidity and a low-temperature zone and blocking the invasion of light from the outside. Or inclined, a water immersion tray for storing the lower part of the tray immersed in water, a water supply device for supplying water to the tray, a water discharging device for discharging water in the tray, A water circulation pump for keeping the water in a flowing state to prevent the water in the tray from freezing, a water temperature measurement sensor for controlling the temperature of the water in the tray to a specific low-temperature zone, a cooling device, and a far-infrared ray A water temperature control device including a heater, a humidifying device for maintaining high humidity, and sterilizing immersion water such as a branch of the plant to prevent generation of water mold or the like in a water-immersed portion of the branch. Installation of an ultraviolet sterilizer for Cryopreservation apparatus plants characterized.

(2) A low-temperature preservation method for plants, comprising storing and storing plant branches and the like in the low-temperature storage device according to (1).

[0010]

Next, the present invention will be described in detail with reference to FIG. 1 showing an embodiment of the present invention. As the plant low-temperature storage device A of the present invention, a device having a closed structure capable of maintaining a high humidity and a low temperature zone and blocking the invasion of light from the outside is used. The external structure may be any structure as long as it has the structure, and is not particularly limited.

Next, as an internal structure of the low-temperature storage device, a branch B of a plant such as a flower, a fruit tree, a flower tree, or the like is erected or inclined, and a lower portion thereof is stored in a state of being immersed in water. The water immersion tray a is installed on the floor of the low-temperature storage device. Here, the branch of a plant or the like may be any tissue such as a body or a branch of a plant, and is not particularly limited. The structure of the water immersion tray is not particularly limited as long as it has a so-called aquarium structure such that the branches and the like of the plant are erected or inclined and the lower part thereof can be immersed in water. Absent. in this case,
It is also possible to appropriately use a mounting table or the like having an appropriate structure such as a net-like structure for mounting a branch or the like of a plant upright or inclined on the tray. The water immersion tray is connected to a water supply device b for supplying water to an appropriate position from the outside and a water discharge device c for discharging water from the tray.

The water supply device b has an appropriate structure such as a device for directly supplying water from tap water, or a device in which a water storage tank is provided in the low-temperature storage device and supplied from the water storage tank. Things are used. In addition, appropriate nutrients for supplying plant branches and the like in the middle of the water supply device b, that is, sorbitol 0.01 to 5%, vitamin C 0.01 to 5%, urea 0.01 to 5%, citrate Acid 0
It is also possible to connect a nutrient component supply device for supplying 0.01 to 5%, fructose 0.01 to 5%, and amino acids (aspartic acid, alanine, threonine, glutamic acid, etc.) 0.001 to 5%. It is.

Further, the water discharging device c is provided with the tray a
Any water may be used as long as the water inside can be exchanged and drained, and any suitable form such as a normal faucet structure can be used. The water immersion tray a is further connected to a water circulation pump d for keeping water in a flowing state in order to prevent freezing of water in the tray a. It is desirable that the water circulation pump d be capable of setting appropriate flowing water conditions so that the operating conditions can be changed as necessary.

Further, the water immersion tray a is provided with a water temperature measurement sensor e for controlling the temperature of water in the tray a to a specific temperature zone, a cooling device f, and a heater g such as a far infrared heater. The water temperature control device is connected. The water temperature control device controls the temperature of the water in the tray so that it can be maintained at about 0 to -3 ° C for a long time.

In order to sterilize the immersion water of the branches and the like of the plants immersed in the water immersion tray a and prevent the occurrence of water mold and the like on the water-immersed portions of the branches and the like of the plants, the tray a And an ultraviolet sterilizer h is connected to a pipeline connected by a circulation pump d.

The ultraviolet sterilizer is for preventing the occurrence of water mold or the like in the water-immersed portion of the branch of the plant or the like in the tray a to reduce the activity of the branch or the like of the plant. Yes, any type may be used as long as it can prevent the occurrence of water mold, etc., and the installation position may be any position as long as it does not directly affect the branches and the like of the plant. May be installed.

The low-temperature storage device A according to the present invention is further provided with a humidifier i for maintaining the inside of the storage device at a high humidity and a dark room light j for facilitating work in the refrigerator.
Further, in order to ensure the hermetic structure of the cryopreservation device A, the entrance for carrying in and out of the branch of the plant,
It is desirable to have a double door k structure

Next, the operation of the present invention will be described. Water is supplied to the water immersion tray a via the water supply device b to such an extent that the lower part of a plant branch or the like can be immersed. Next, the branches or the like of the plant are erected or inclined, and the lower part is immersed in the tray. In this case, the pedestal or the like described above including a net-like structure is used, and immersed through the pedestal or the like. It is desirable. Next, the cooling device g is operated to adjust the temperature of the water in the tray a to about 0 to −3 ° C., and to humidify the water through the humidifying device i. Hold at 50-97%.

In this case, the circulating pump d is operated so that the immersed portion such as the branch of the plant in the tray a does not freeze, the water in the tray a is maintained in a flowing state, and
By operating a heater e such as a far-infrared heater installed in the tray a via the water temperature measurement sensor e, icing is prevented. The sensor is capable of appropriately adjusting the set temperature according to the type of the branch of the plant or the like, the type of the nutritional component to be used, etc., in order to prevent freezing of the immersed portion of the branch of the plant or the like. Needless to say.

The ultraviolet sterilizer h is installed in a water channel circulated by the circulation pump d in order to prevent the generation of water mold and the like in a water-immersed portion such as a branch of a plant immersed in the tray a. It can be appropriately prepared so that it can be sterilized according to the above, subjected to the sterilization treatment, further, at a high humidity, and in a low temperature zone of about 0 to -3 ° C., the branches and the like of the plant By immersion holding, the freshness can be held for a long time.

With this apparatus, a peach branch with flower buds is erected,
When immersed in the tray a and stored at a set temperature of 0 ° C. for 4 months, the immersion water does not freeze, and furthermore, in a good condition in which the water immersion portion of the peach branch does not slime (mold). , Could be saved. Moreover, the flower buds of the peach branch tree subjected to the preservation treatment were not dried, and the retention of freshness was extremely good as a so-called ice temperature (registered trademark) product. Further, these are stored in the low-temperature storage device A.
Out of the container and left at room temperature in water
After an hour, a vivid pink flower could bloom.

On the other hand, in a container set at 0 ° C., water is poured into a container such as a normal bucket, and the peach tree is immersed and stored. The immersion water is frozen. The wood was dry and poor. When the peach tree was left at room temperature in a state of being immersed in water, it was found that the peach tree did not flower even after 70 days had passed, and then it rotted, so that its freshness could not be maintained.

In place of the above-mentioned peach branch, similar preservation tests were performed on various branches of flowers, such as cherry, plum, yellow peach and apple, and on the branches of plants such as fruit trees and flower trees. The result was obtained. From this, the low-temperature storage device of the present invention,
It was confirmed that the freshness of branches and the like of various plants could be maintained for a long period of time.

[0024]

As described in detail above, the present invention uses a sealed low-temperature storage device which can maintain a high humidity and a specific low temperature zone, and can block the invasion of light from the outside. By this, it is possible to preserve the branches and the like of the plant for a long time in the state of being immersed in water, and to make the freshness of the branches and the like of the plant for a long time only by configuring relatively simple equipment. Can be maintained throughout.

The low-temperature preservation apparatus and low-temperature preservation method of the present invention are relatively simple, using a normal sealable preservation apparatus, and installing the water immersion tray, the water temperature control device in the tray, and the like. It is only necessary to use the system, it is structurally simple, it can be manufactured in a short period of time, and the import and export of plant branches and the like and their preservation work are extremely labor-saving. Features that can be implemented.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing an entire plant cryopreservation device of the present invention.

[Explanation of symbols]

 A Low-temperature storage device B Plant tree, etc. a Tray for water immersion b Water supply device c Water discharge device d Circulation pump e Water temperature measurement sensor f Cooling device g Far infrared heater h Ultraviolet sterilizer i Humidifier j Light for darkroom k Double door

Claims (2)

(57) [Claims] 1. A hermetically sealed low-temperature storage device capable of maintaining high humidity and a low-temperature zone, and capable of blocking intrusion of light from the outside. Upright or inclined, and a water immersion tray for storing the lower part immersed in water, a water supply device for supplying water to the tray, and a water discharge device for discharging water in the tray. A water circulation pump for maintaining water in a flowing state to prevent freezing of water in the tray, a water temperature measurement sensor for controlling the temperature of water in the tray to a specific low-temperature zone, a cooling device, A water temperature control device including a far-infrared heater, a humidifying device for maintaining high humidity, and sterilizing immersion water such as a branch of the plant to prevent generation of water mold and the like in a water-immersed portion of the branch. Install a UV sterilizer to prevent A plant cryopreservation device, characterized in that: 2. A low-temperature preservation method for plants, comprising storing and storing plant branches and the like in the low-temperature storage device according to claim 1.