🔒 Street Trees and Soil Microbiota

Talking Trees

Subscriber-only episode

In this Monday episode of Talking Trees, we uncover the hidden world beneath our feet—the soil microbiota that supports and sustains urban street trees. This episode dives into the crucial roles played by bacteria, fungi, and other microorganisms living in the rhizosphere and within tree tissues.

We discuss:

• How microbial communities affect tree nutrition, immunity, and resilience
• The constant biochemical communication between roots and microbes
• The importance of endophytes and rhizospheric organisms in supporting tree health
• Why moving beyond an anthropocentric perspective helps us appreciate the complexity of urban tree ecosystems
• How this knowledge can inform better urban tree care and soil management strategies

Street trees are not isolated individuals but hubs in a vibrant, living underground network. Recognizing their microbial allies is key to sustaining greener, healthier cities.

Background information:

• SUELO, ÁRBOL URBANO Y VECINOS INVISIBLES.pdf

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Chapters

1. Introduction to Talking Trees Episode (00:00:00)

2. Understanding the Soil Microbiome (00:01:19)

3. Bacterial Functions and Communication (00:04:07)

4. The Rhizosphere: Tree-Microbe Marketplace (00:06:31)

5. Tree Defense Mechanisms (00:07:24)

6. Practical Soil Management for Arborists (00:10:15)

7. Episode Wrap-Up (00:13:24)