Armillaria mellea ZTMH-21 and application thereof in gastrodia elata cultivation

By selecting and breeding Armillaria mellea ZTMH-21 and combining it with specialized cultivation methods and substrates, the problems of slowed growth rate and insufficient nutrient supply of Armillaria mellea were solved, resulting in improved yield and quality of Gastrodia elata and adaptation to different cultivation environments.

CN122278639APending Publication Date: 2026-06-26ZHAOTONG GASTRODIA RES INST +1
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Patent Information

Application Number
CN202610387514.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-03-27
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

The current cultivation of Gastrodia elata uses a single strain of Armillaria mellea. Long-term artificial propagation has led to a slowdown in growth rate, a decrease in lignin degradation capacity, insufficient infection and nutrient supply capacity, and weak resistance to stress and contamination, resulting in a reduction in Gastrodia elata yield.

Method used

A strain of Armillaria mellea ZTMH-21 was selected and applied. This strain was isolated from the wild and exhibits rapid mycelial growth, strong mycelial cords, and no browning. It was combined with a specific nucleotide sequence for the cultivation of Gastrodia elata. Specialized cultivation substrates and methods were used, including the preparation of primary, secondary, and cultivars, combined with the cultivation method of Gastrodia elata.

Benefits of technology

It improved the yield and quality of Gastrodia elata. The combination of Armillaria mellea ZTMH-21 and Gastrodia elata significantly increased the yield, showed good stability, and was adapted to different regional cultivation environments, thus promoting the development of the Gastrodia elata industry.

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Abstract

The invention discloses armillaria mellea ZTMH-21 and application of the armillaria mellea ZTMH-21 in gastrodia elata cultivation, and belongs to the technical field of microorganisms. The strain Armillaria mellea ZTMH-21 is preserved in the China General Microbiological Culture Collection Center, the preservation address is Institute of Microbiology, Chinese Academy of Sciences, No.3, No.1 Yard, Beichen West Road, Chaoyang District, Beijing, the preservation date is November 25, 2024, and the preservation number is CGMCC No.41670. The invention further discloses a preparation method of the strain Armillaria mellea ZTMH-21. The armillaria mellea ZTMH-21 provided by the invention has the advantages of fast growth speed, thick and strong fungus, strong activity, many branches, no browning, growth along with gastrodia elata, strong affinity with gastrodia elata, obvious increase of the yield of gastrodia elata and stable production, 10 months after powder gastrodia elata is planted, the yield of white-head gastrodia elata can reach 10.11 kg / m < 2 >, and the armillaria mellea ZTMH-21 has good application prospects in gastrodia elata cultivation.
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