JPH06209651A - Method for raising 'shiitake' mushroom - Google Patents

Abstract

PURPOSE:To easily replenish a block-shaped 'shiitake' mushroom fungi culture body with water necessary for raising 'shiitake' mushroom without such drawbacks as the need for heavy labor or the decline in market value of the product in conducting 'shiitake' mushroom raising using an artificial medium. CONSTITUTION:A 'shiitake' mushroom fungi culture bag made of plastic film with part of the side consisting of sundry germ-blocking porous sheet is packed with a medium followed by sterilization, and the medium is then inoculated with 'shiitake' mushroom fungi to proliferate 'shiitake' mushroom mycelia in the medium, thus affording a block-shaped 'shiitake' mushroom fungi culture body 3'. This culture body 3' is then taken out from the bag and 'shiitake' mushroom 6 is raised in air. In this case, a narrow tube 7 is inserted via the bottom or side of the culture body 3 into the body 3 which is then fed with water through the tube 7.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a method for cultivating shiitake mushrooms.

[0002]

2. Description of the Related Art For the cultivation of shiitake mushrooms, in addition to the traditional method of using persimmon trees, a culture bag made of plastic film is filled with a medium mainly containing sawdust, rice bran, bran, etc., and sterilized and inoculated with shiitake mushrooms. There is a method of growing a shiitake mushroom in the air by removing a block-shaped culture of shiitake fungus obtained by propagating shiitake hyphae in a medium from a culture bag. Bags made of plastic film have been widely used in recent years because they are lightweight and easy to handle. As a typical example
No. 22518 proposes a culture bag in which a part of a plastic film is a porous plastic film having a hole diameter of 0.02 to 0.4 μ. Pore diameter 0.0
The porous plastic film having a thickness of 2 to 0.4 μm prevents invasion of various bacteria without obstructing the flow of air necessary for the reproduction of Shiitake mushroom hyphae.

[0003] When the Shiitake mycelia propagate sufficiently in the medium, the medium is bound by the hyphae to form a block-shaped Shiitake fungus culture, and there is no risk of being affected by various bacteria. Grow up. If taken out from the bag, shiitake mushrooms will grow not only on the upper part of the shiitake fungus culture but also on the side surface, so it is efficient.

When the shiitake mushroom grows to a desired size, it is harvested, but since the shiitake mushroom culture is further grown and grown from the first harvested shiitake fungus culture medium, as long as nutrients are supplied from the medium, multiple times Shiitake cultivation can be performed. However, in that case, it is necessary to replenish the block-shaped Shiitake bacterium culture with water necessary for the next growth of Shiitake.

As a method of replenishing the block-shaped Shiitake bacterium culture with water, the block-shaped Shiitake bacterium culture after harvesting the shiitake is placed in a water tank, and a weight is put on it from the top to immerse in water. There is a method to absorb the water necessary for the next growth of shiitake mushrooms. This method increases labor costs because it is necessary to repeat the heavy labor of moving the Shiitake mushroom culture from the cultivation place into the aquarium, placing the weight on it, removing the weight after absorbing water, and moving to the cultivation place again. As an alternative method, there is a method of showering water with the Shiitake bacterium culture placed in the cultivation place, but this method cannot supply the necessary water at one time, so it is necessary to replenish water during the growth of Shiitake mushrooms. Yes,
Since the water is repeatedly applied over the growing shiitake mushrooms, the harvested shiitake mushrooms are watery and have a low market value.

[0006]

DISCLOSURE OF THE INVENTION The present invention, in the cultivation of shiitake mushrooms using an artificial medium, simply blocks the water necessary for the growth of shiitake mushrooms without the need for heavy labor or the disadvantage of reducing the market value of the product. An object of the present invention is to provide a method for replenishing a mushroom-shaped culture of Shiitake fungi.

[0007]

The method for cultivating shiitake mushrooms according to the present invention comprises filling a culture medium into a fungus culture bag in the shape of a bag made of a plastic film, a part of the side surface of which is made of a bacteria-blocking porous sheet. After sterilization, inoculate Shiitake fungal mycelium in culture medium and obtain block-shaped Shiitake fungus culture obtained by propagating Shiitake mycelia in culture medium, remove from culture bag and grow shiitake mushroom in air. It is characterized in that it is inserted from the lower part or the side surface of the body and water is supplied to the Shiitake fungus culture body through the thin tube.

After sterilizing by filling a medium such as sawdust, rice bran, and bran into a bag-shaped bag made of a plastic film, a part of the side surface of which is composed of a bacteria-inhibiting porous sheet, a medium mainly containing sawdust and rice bran A method of removing a block-shaped Shiitake fungal culture obtained by inoculating Shiitake fungi and propagating Shiitake hyphae in a medium from a culture bag and growing Shiitake in the air is already widespread. To explain, as shown in FIG. 1, a bag-like bag made of a plastic film, and a part of the side surface of the bag is made up of a bacteria-blocking porous sheet 1, and a saw bag, rice bran, and bran are mainly used as nutrient groups. The medium 3 as an ingredient is filled and the medium is inoculated with Shiitake fungi. Since bacteria are present in the medium containing sawdust and rice bran as the main components, it is necessary to steam sterilize the medium before inoculating Shiitake fungi, but the culture bag 2 should be sealed at the time of steam sterilizing this medium. It may be before or after (sealing part 4). In the former case, the culture bag filled with the medium is subjected to steam sterilization, the upper part of the bag is opened and inoculated with Shiitake fungi, and then sealed. However, in this case, there is a risk that various bacteria will invade when inoculating Shiitake mushrooms,
The latter method, that is, a method in which a culture bag filled with a medium is sealed, steam-sterilized, and a Shiitake bacterium is used to inoculate the medium is preferable.

As steam sterilization treatment, normal pressure steam sterilization using steam at about 100 ° C. or high pressure steam sterilization using steam at 120 to 125 ° C. is generally performed. The processing time depends on the size of the bag and therefore the amount of medium filled,
When the amount of culture medium is 2.5 kg, it is standard that the normal pressure steam sterilization is 7 hours, and the high pressure steam sterilization is 5 hours, including the heating and cooling time.

It is preferable that the porous sheet having various bacteria-blocking properties used for the bag for cultivating mushrooms is one that blocks invasion of various bacteria and has excellent air permeability. Specifically, maximum pore size 0.02 x 0.2
It is desirable to use a microporous polypropylene film (trade name: Ceraguard; manufactured by Celanese Co., USA) of micron to 0.04 × 0.4 micron.

When the shiitake mycelia propagate sufficiently in the medium, the medium is bound by the hyphae to form a block-shaped culture of shiitake fungi (see FIG. 2).
3 ') and there is no fear of being affected by various bacteria, this is taken out of the bag and placed on an appropriate support 5 as shown in FIG. 2 to grow shiitake mushrooms in the air. If taken out from the bag, the shiitake mushroom 6 grows not only from the upper part of the shiitake fungus culture, but also from the side surface and grows.

As shown in FIG. 2, a thin tube 7 is inserted from the bottom of the block-shaped Shiitake bacterium culture 3 ', and water is supplied to the thin tube. As a means for supplying water to the thin tube, for example, a water inlet 1 provided in a conduit 9 from a separately provided water tank 8
Connect with 0. If the connecting portion is the rubber tube 11, the supply of water can be easily stopped by using a clip or the like when not in use. While the water tank 8 is provided with an overflow port 12,
If the water 13 is constantly supplied to the water tank 8, it is possible to always supply water having a constant water pressure to the thin tube 7, and it is possible to supply water to the culture of Shiitake fungi through this thin tube.

If the thin tube 7 is vertically fixed at a predetermined position on the support 5 in advance, the cultivated position of the shiitake bacterium culture can be obtained by pressing the shiitake bacterium culture 3'taken out of the culture bag from above the thin tube. And the insertion of the thin tube 7 can be performed at the same time.

If the tip of the thin tube 7 is opened, a part of the medium may enter the tube from that portion and block the thin tube, so that the tip is closed and the opening 14 is provided on the side surface. good. The diameter and number of the openings and the number of the thin tubes 7 per block-shaped Shiitake bacterium culture 3 ′ may be appropriately determined according to the size of the Shiitake bacterium culture.

Since the first growth of shiitake mushrooms uses the water existing in the soil initially, it is not always necessary to replenish water from the beginning, but water should be replenished appropriately depending on the temperature and the growth condition of shiitake mushrooms. May be.

In some cases, a plurality of block-shaped Shiitake fungus cultures 3'are vertically stacked to grow shiitake mushrooms. In that case, a thin tube is inserted from the side of the block-shaped Shiitake fungus culture and passed through the thin tube. Water may be supplied to the Shiitake bacterium culture.

[0017]

EFFECTS OF THE INVENTION The water required for multiple growth of shiitake mushrooms is replenished from the inside while keeping the block-shaped shiitake bacterium culture in the cultivation position. It can be replenished without the drawback of deterioration.

[Brief description of drawings]

FIG. 1 is a diagram for explaining a first step of implementing the present invention.

FIG. 2 is a diagram for explaining a second step of implementing the present invention.

Claims (1)

[Claims] 1. A bag-shaped bag made of a plastic film, a part of the side surface of which is filled with a bacteria-blocking porous sheet, is filled with a medium, and after sterilization, inoculated with Shiitake fungi, and a Shiitake mycelium is added to the medium. In the method of growing a shiitake mushroom culture in a block form obtained by breeding from the culture bag and growing the shiitake mushroom in the air, a thin tube is inserted from the bottom or side of the block-shaped shiitake culture, and the shiitake fungus is passed through the thin tube. A method for cultivating shiitake mushrooms, which comprises supplying water to the culture.