Morel Production Associated with Soil Nitrogen-Fixing and Nitrifying Microorganisms
Feng-Ming Yu1,2,3, Ruvishika Shehali Jayawardena2,3, Naritsada Thongklang2,3
1Key Laboratory for Plant Diversity and Biotechnology of East Asia, Yunnan Key Laboratory of Fungal Diversity and Green Development, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China.
Journal of Fungi (Basel, Switzerland)
|March 25, 2022
Summary
Soil microbial communities significantly impact morel cultivation. Beneficial bacteria like Arthrobacter are linked to high yields, while pathogenic fungi dominate low-yield soils, suggesting microbiome manipulation for better morel production.
Area of Science:
- Mycology and Soil Microbiology
- Agricultural Science
Background:
- True morels (Morchella) cultivation is influenced by soil microbial communities.
- Understanding these microbial interactions is key to improving morel production.
Purpose of the Study:
- To characterize soil microbial communities in morel cultivation.
- To evaluate the relationship between soil microbes and morel yield.
Main Methods:
- Collected 23 soil samples from Sichuan and Yunnan Provinces, China.
- Utilized ITS and 16S rDNA amplicon sequencing for microbial analysis.
- Analyzed alpha diversity and co-occurrence networks.
Main Results:
- Morel cultivation soil showed lower biodiversity than bare soil.
- Soil microbial communities recovered after one year of non-cultivation.
- High-yield soils featured nitrogen-fixing bacteria (e.g., Arthrobacter, Bradyhizobium).
- Low-yield soils were dominated by pathogenic fungi (e.g., Penicillium, Trichoderma).
Conclusions:
- Soil microbial composition and structure can be restored after morel cultivation cessation.
- Specific beneficial bacteria are associated with high morel yields.
- Harnessing the soil microbiome offers potential for enhanced morel production and health.
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