Fungus mortierella strain for straw decomposition in cold regions and application of fungus mortierella strain in decomposition of rice straw

A technology of straw decomposing and rice straw, which is applied in the application field of isolated cold region straw decomposing fungal strains and high-efficiency fermentation of rice straw, which can solve the problem that the utilization rate of straw is less than 33%, and achieve a good effect of fermentation

Active Publication Date: 2018-11-16
NORTHEAST AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Rice straw is rich in nutrients such as cellulose, hemicellulose, lignin, protein and mineral elemen

Method used

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  • Fungus mortierella strain for straw decomposition in cold regions and application of fungus mortierella strain in decomposition of rice straw
  • Fungus mortierella strain for straw decomposition in cold regions and application of fungus mortierella strain in decomposition of rice straw
  • Fungus mortierella strain for straw decomposition in cold regions and application of fungus mortierella strain in decomposition of rice straw

Examples

Experimental program
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Effect test

Embodiment 1

[0036] Example 1 Isolation and identification of straw decomposing bacteria in cold regions

[0037] 1. Test materials and methods

[0038] 1.1 Test material

[0039] The EM bacteria liquid used in the present invention is provided by Heilongjiang Academy of Agricultural Sciences. Rice straw was collected from the experimental field of Northeast Agricultural University.

[0040] 2.2 Test method

[0041] 2.2.1 Decomposition of straw by EM bacteria in cold regions

[0042] In December 2016, in the experimental field of Northeast Agricultural University in Harbin, Heilongjiang Province, the outdoor temperature was between minus 12°C and 25°C. The mixture of crushed rice straw and EM bacteria solution was buried in a deep ditch, and covered with untreated straw and plastic cloth. , decomposed and decomposed for 60d. The decomposed straws taken out were in a rotten state, and occasionally strips or small fragments of incompletely decomposed straw fragments were seen.

[0043]...

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PUM

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Abstract

The invention discloses a fungus mortierella strain for straw decomposition in cold regions and an application of the fungus mortierella strain in decomposition of rice straw, and belongs to the fieldof isolation and application of fungi for straw decomposition in the cold regions. The invention discloses the isolated fungus mortierella strain which is used for straw decomposition in the cold regions for the first time and has microbial preservation number of CGMCC No.15188, and further discloses the application of the fungus mortierella strain for straw decomposition in cold regions in decomposition of the rice straw. The isolated fungus mortierella strain for straw decomposition in the cold regions is a cold-resistant microorganism, and has high cold resistance, higher cellulose decomposition capability and good fermentation effect on the rice straw at low temperature. The isolated fungus mortierella strain for straw decomposition in the cold regions has application prospect in preparation of straw decomposing agents, especially rice straw decomposing agents.

Description

technical field [0001] The invention relates to an isolated straw-decomposing fungus strain in cold regions, and also relates to the application of the straw-decomposing fungi strain in cold regions in high-efficiency fermentation of rice straw at low temperature, belonging to the field of separation and application of straw-decomposing fungi in cold regions. Background technique [0002] Rice straw is rich in nutrients such as cellulose, hemicellulose, lignin, protein and mineral elements. It is a renewable biological resource, but the utilization rate of rice straw in China is less than 33%. Since straw has the highest cellulose content, screening microorganisms with high cellulase-producing properties has become one of the important directions for research on straw decomposing agents. [0003] EM bacteria is a beneficial bacteria group composed of photosynthetic bacteria group, lactic acid bacteria group, yeast group, fermenting filamentous bacteria and actinomycetes. It ...

Claims

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Application Information

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IPC IPC(8): C12N1/14C05F11/08C05F11/00C12R1/645
CPCC05F11/00C05F11/08C12N1/145C12R2001/645
Inventor 冯哲冯艳忠李凤兰
Owner NORTHEAST AGRICULTURAL UNIVERSITY
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