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Culture medium for culturing blackfungus with tussah branches and culture method

A culturing method and technology for culturing materials are applied to the culturing materials and the field of cultivating black fungus using oak branches, which can solve problems such as affecting the benign development of the ecological environment, and achieve the requirements of saving broad-leaved forests, high lignin content, and low cultivating space. Effect

Inactive Publication Date: 2013-01-30
辽宁省农业科学院大连生物技术研究所
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The traditional compost for the cultivation of black fungus is mainly the miscellaneous sawdust of broad-leaved trees, so a large amount of forest resources are needed, and the felling of the trees seriously affects the benign development of the ecological environment

Method used

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  • Culture medium for culturing blackfungus with tussah branches and culture method
  • Culture medium for culturing blackfungus with tussah branches and culture method
  • Culture medium for culturing blackfungus with tussah branches and culture method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] 1. Material preparation:

[0027] ① The mildew-free oak tree branches cut in winter rotation in the tussah silkworm farm were crushed into 2-4mm sawdust by a special grinder for testing.

[0028] ② Black fungus (Auricularia polytricha) Fengshou No. 2 strain was purchased from Dunhua Star Specialty Technology Development Co., Ltd. The production license number is: (Dun) Nongzhong Shengxu Zi (2001) No. 06.

[0029] ③Preparation of solid strains for inoculation

[0030] According to the following culture medium formula, weigh an appropriate amount of each raw material of the formula, mix them together, add an appropriate amount of water to stir evenly, and adjust the weight percentage of water in the culture medium to 65%. Place the prepared medium for 30 minutes, put it into a glass bottle, and sterilize it at a temperature of 121°C and a pressure of 0.15MPa for 2-3 hours; when the temperature of the sterilized medium drops to room temperature, insert it into a test tub...

Embodiment 2

[0046] Compost formula (based on weight percentage of dry material): 75% oak wood chips, 10% cotton seed hulls, 12% bran, 1% gypsum powder, and 2% soybean powder.

[0047] Material preparation and other steps are the same as in Example 1.

[0048] The results are shown in Table 1 and Table 2.

[0049] In addition, the black fungus mycelium obtained in this example is white and strong, with neat edges, late budding, bowl-shaped ears, black and shiny, thick flesh, and stable yield.

Embodiment 3

[0051] Compost formula (based on weight percentage of dry material): 65% oak wood chips, 20% cotton seed hulls, 12% bran, 1% gypsum powder, and 2% soybean powder.

[0052] Material preparation and other steps are the same as in Example 1.

[0053] The results are shown in Table 1 and Table 2.

[0054] In addition, the black fungus mycelium obtained in this example is white and strong, with irregular edges, late budding, bowl-shaped ears, gray and black luster, thick flesh, and slightly low yield.

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Abstract

The invention discloses a culture medium for culturing blackfungus with tussah branches and a culture method. The culture medium comprises the following dry components in percentage by weight: 60-90% of tussah branch wood dust, 0-30% of cottonseed hull or miscellaneous tree chip, 5-20% of bran, 0.5-5% of gypsum powder and 0.5-5% of bean flour. The culture medium is used for preparing bacterium rod or bacterium bag cultured blackfungus, and can well control the disease and pest of foreign bacteria. The blackfungus cultured by the culture medium has the advantages of higher yield, thick texture, good mouthfeel and obviously increased nutrient content. By fully utilizing the massive alternately-cut branches from the tussah silkworm nursery in China as the main resource, the invention ensures the sources, and can lower the production cost. The culture method disclosed by the invention is simple and easy to implement, has low requirement for culture space, and is beneficial to industrial large-scale production.

Description

technical field [0001] The invention relates to a culture material for cultivating edible fungi and a cultivation method of the edible fungus, in particular to a culture material and a culture method for cultivating black fungus with oak branches. Background technique [0002] The traditional compost for Auricularia auricula cultivation is mainly miscellaneous sawdust of broad-leaved trees, so a large amount of forest resources are needed, and the felling of the trees seriously affects the benign development of the ecological environment. As the state-owned forest area enters into comprehensive ecological protection, the logging of wood stops, which leads to a very tight supply of wood chips for black fungus, and the problem of black fungus raw materials is becoming more and more serious. Based on this situation, it is imperative to find materials with a wide range of sources and low prices to replace the traditional wood chip cultivation of black fungus to support the devel...

Claims

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Application Information

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IPC IPC(8): C05G1/00A01G1/04
Inventor 李亚洁温志新李学军孟楠米锐李树英
Owner 辽宁省农业科学院大连生物技术研究所
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