A method for cultivating Cordyceps militaris by temperature difference stimulation

A temperature difference stimulation, Cordyceps militaris technology, applied to the cultivation of Cordyceps militaris, adopting the temperature difference stimulation to cultivate the Cordyceps militaris field, can solve the problem that the density of the spore head size of the Cordyceps militaris can not meet the market demand, etc., to increase the output of a single box, improve the product value, The effect of increased thickness

Active Publication Date: 2018-09-07
内蒙古嘉致农业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the existing cultivation methods of Cordyceps militaris, it is only necessary to ensure that the temperature and humidity are within the specified numerical range to maintain growth, that is, the temperature difference between day and night is not large, and most of the Cordyceps militaris can grow normally, but the cultivated Cordyceps militaris The density and the size of the spore head cannot meet the market demand

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Mix 350g of wheat and 560ml of water to obtain a medium, put the medium into steam sterilization at 121°C and 0.14Mpa for 90min, then cool to room temperature, and obtain a medium for use.

[0033] The process of inoculating the medium is completed on the ultra-clean workbench assembly line, and then the culture in the dark culture stage is carried out. The dark culture stage needs to meet the following conditions: the temperature is 18°C, and the relative humidity is 60%. A conventional dark culture culture period is 10-12 days. When the material surface of the Cordyceps militaris culture medium is covered with snow-white scale-like aerial hyphae, and the Cordyceps militaris mycelium has taken root at the bottom of the material surface, the Cordyceps militaris culture medium can be transferred to a culture room equipped with an incandescent lamp for exposure to light. Color transfer treatment.

[0034] Subsequently, culture in the light stimulation stage was carried ...

Embodiment 2

[0052] Compared with the technical solution of using temperature difference stimulation in Example 1, this embodiment adopts a larger temperature difference value (greater than 5-6° C.) on the basis of temperature difference stimulation. The operation steps are as follows (the conditions not enumerated again are the same as those of Example 1):

[0053] Four days after the aerial hyphae on the surface of Cordyceps militaris were swept away manually, the bases of Cordyceps militaris grew one after another. The growth conditions of the primordium growth stage were: 18 hours of light per day, 150 lux of light intensity, relative air The humidity is 70%, and the temperature is maintained at 25°C from 7:30 in the morning to 17:30 in the evening during the day. From 17:30 in the evening to 7:30 in the morning of the next day, the temperature will be kept at 16°C. During the cultivation of Cordyceps militaris, especially at night when light is off, it is the best period for Cordycep...

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Abstract

The invention relates to a method for cultivating cordyceps militaris by temperature difference stimulation. The method implements day and night temperature difference stimulation on cordyceps militaris in the following stages: stage 1: a stage from growth of a cordyceps militaris anlage to a sporocarp bud of the cordyceps militaris anlage; and stage 2: a stage from height of sporocarp of cordyceps militaris of 1.5-2cm to spore heads of sporocarp, wherein according to the temperature difference stimulation, the temperature in daytime is 5-6 DEG C higher than that of night time in a range of not isolating the growing temperature of cordyceps militaris. The method provided by the invention can remarkably improve the quantity of anlage of cordyceps militaris and improve the size of the spore heads on the top of the sporocarp, so that the piece weight of a single box and the product value are improved.

Description

technical field [0001] The invention relates to the technical field of artificially cultivating fungi by applying the principle of biotechnology, in particular to the cultivation of Cordyceps militaris, and more specifically to a method for cultivating Cordyceps militaris by means of temperature difference stimulation. Background technique [0002] Cordyceps militaris is the flower of Cordyceps militaris, also known as Cordyceps militaris, it belongs to Ascomycota, Cordyceps family, the color of Cordyceps militaris is orange or orange red, and the total length is 3-8cm. kind. Pharmacological effects According to modern scientific evidence, Cordyceps militaris not only has special nutritional value, but also has obvious medicinal value. It has several major components of Cordyceps, such as cordycepin, cordycepic acid, and cordyceps polysaccharide, and has basically the same medicinal effect as Cordyceps sinensis. Cordyceps militaris, as the genus of Cordyceps, is generally a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G18/00
Inventor 沈中奇李盈
Owner 内蒙古嘉致农业科技有限公司
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