A Phomopsis fungus and its application in the preparation of fungal wood

Abstract

The invention discloses a Phomopsis strain ( Phomopsis ? sp.) J9GAN and its application in the preparation of fungi grain wood belong to the field of microbial technology. The strain is preserved in the General Microbiology Center of China Microbiological Culture Collection Management Committee, the address is No. 3, No. 1, Beichen West Road, Chaoyang District, Beijing, and the preservation number is CGMCC? No: 7108. The strain has excellent dip-dyeing ability for wood-based materials, short dip-dye time and large depth, can form beautiful color and texture on the surface of the material, and has no effect on physical and mechanical strength. The method for preparing the strain wood with the strain includes the steps of strain activation, propagation and inoculation culture. First, the strain is inoculated on the activation and propagation medium, activated and propagated at 22-30°C for 7-15 days, Then sterilize the wood-based material, fully contact with the multiplication strain, and cultivate it at 22-30°C for 4-8 weeks. The method of the invention is reasonable in technology and simple in operation, and the prepared fungus grain wood has a good decorative effect and has no influence on the physical and mechanical properties of the base material, which is beneficial to large-scale production and popularization and application.

Description

technical field [0001] The invention belongs to the technical field of microorganisms, and in particular relates to a Phomopsis fungus strain with short infection time and large depth, beautiful color and texture, and no influence on the physical and mechanical strength of wood-based materials and its use in the preparation of fungus-grained wood. application. Background technique [0002] The fungal discoloration of wood has long been regarded as a defect of wood, which reduces the value of wood. In fact, fungal discoloration, such as lines and stains, has natural and unique characteristics. When the decay is not serious A wonderful touch. If this kind of wood with natural lines or colors is used to make handicrafts, such as vases, earrings, pens, wood veneers, etc., the added value of wood can be increased. The fungus wood with natural patterns and colors will be popular in the market, especially in the decoration, decoration and handicraft markets. [0003] However, th...

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Problems solved by technology

[0003] However, the naturally obtained fungal wood still has the following deficiencies: 1. The raw materials are not easy to obtain, and there is a strong chance, because the natural fungal wood can only be formed in nature when there are bacteria that can form the fungal wood. , so only a small amount of fungal wood can be found in the dead wood in a small part of the forest; 2. The natural fungal wood takes a long time to form and is affected by many climate and environmental factors, such as dryness, cold, lack of oxygen, etc. or other microorganisms Interference, etc.; 3. Natural fungal grain wood is formed under natural conditions, and there is often the problem of excessive infection of certain fungus species on wood-based materials, resulting in serious loss of strength of the material, which cannot be processed and used, or the permeability is significantly increased. Excessive medicaments will be inhaled during post-treatment such as anti-corrosion and flame-retardant, which will double the cost; 4. Natural fungal wood is formed under natural conditions, and the size and shape of the wood are unpredictable, and the beautiful lines may be lost during processing ;5. The natural fungus wood is formed under natural conditions, and is susceptible to insect pests or other fungal infections, making the wood incomplete or forming unsightly decay or discoloration

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