A kind of mycorrhizal multi-inoculation method and application of woody plants

Abstract

The invention provides a multi-mycorrhizal inoculation method for woody plants, which overcomes the limitation of a single strain and achieves the effect that the same woody plant can be infected by multiple ectomycorrhizal fungi, which is better than single strain inoculation Promote plant growth, colonization and improve plant stress resistance. At the same time, this method can be applied to the vegetation restoration of abandoned land, and multi-inoculated seedlings can better promote the diversity of microbial communities in abandoned land, which has a positive effect on the improvement of abandoned land. After the waste land is improved by inoculating more seedlings, it is conducive to the improvement of biodiversity, and has a positive effect on land fertility, soil physical and chemical properties and other indicators. The inoculation of the present invention uses the successfully infected mother seedling mycorrhizae to inoculate the seedlings, and the pollution rate is greatly reduced. At the same time, the soil matrix is ​​used to cultivate the plants to be inoculated, and the plants grow vigorously.

Description

technical field [0001] The invention belongs to the technical field of environmental pollution control and vegetation restoration of abandoned land, and in particular relates to a woody plant mycorrhizal multi-inoculation method and its application. Background technique [0002] Ectomycorrhizal fungi (ECM) are a class of large fungi that can form a symbiotic relationship with the roots of higher plants. Plant-ectomycorrhizal fungus symbiosis is a common phenomenon in nature. The use of ectomycorrhizae can make trees mature 4-5 years in advance. Ectomycorrhizal fungi are conducive to the growth of lush forests in poor soils. In low-nutrient soil environments, ectomycorrhizal fungi are still highly infectious, which is of great significance to the vegetation restoration of wasteland, mines and other abandoned land. Ectomycorrhizal fungi play a vital role in maintaining ecological balance and protecting biodiversity. They are an important part of maintaining the balance of for...

AI Technical Summary

Problems solved by technology

[0003] In the prior art, the inoculation technology of single ectomycorrhizal fungi is mostly used. For plants inoculated with a single fungus, although the existence of ectomycorrhizal fungi has enhanced the ability of trees to resist stresses such as heavy metals, drought, salt and diseases, but far less effective than inoculating plants

For abandoned and barren lands such as wastelands and mines, single inoculation cannot better promote plant colonization due to the limitation of inoculated fungal species, and has limited effects on the restoration of microbial communities, soil improvement and fertility restoration.

[0004] Foreign countries have used culture medium to culture mycelium for direct double inoculation. This method has a high pollution rate and is easily disturbed by bacteria. In addition, the medium is not an excellent substrate for plant growth, and the growth of plants cultured in the medium is relatively slow.

At the same time, domestic mycorrhizal double-strain inoculation and multi-inoculation techniques are rarely reported

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