🔒 Tree Injections

Talking Trees

Subscriber-only episode

In this Wednesday episode of Talking Trees, we dig into the science and practice of tree injections, also known as vegetative endotherapy. This method of delivering substances directly into a tree's vascular system is transforming plant care, especially in managing pests and diseases.

We explore:

• The history and development of endotherapy techniques
• Types of injection systems: trunk opening, interface, and direct injection
• The most common uses: applying insecticides, fungicides, and nutrients
• Practical considerations such as dosage, tree species suitability, and seasonal timing
• Benefits and limitations of injections compared to foliar sprays and soil treatments

With insights from recent research, this episode highlights how tree injections are emerging as a sustainable, targeted approach in arboriculture and urban forestry.

Background information:

• The endotherapy | Endoterapia Vegetal
• Tree Injection - an overview | ScienceDirect Topics.pdf
• Tree injection - Wikipedia
• Why Tree Injection? - Tree Care Industry Magazine
• agriculture-13-01465-v2.pdf

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Chapters

1. Introduction to Tree Injection (00:00:00)

2. Da Vinci's Early Experiments (00:01:36)

3. Classification of Injection Methods (00:02:24)

4. Pressurized vs Non-Pressurized Systems (00:04:22)

5. Measuring Treatment Effectiveness (00:06:20)

6. Future Innovations in Tree Injection (00:07:55)

7. Best Practices for Arborists (00:10:50)