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What are the main ways to kill Japanese Knotweed?
By The JKL Team

What are the main ways to kill Japanese Knotweed?

Question: What are the main ways to kill Japanese Knotweed?

Answer: The main methods for killing Japanese Knotweed include herbicide treatments and excavation, with new techniques like hot foam, steam, or electrical usage currently being evaluated for their effectiveness.

A Closer Look: 

The primary methods for killing Japanese Knotweed (Fallopia japonica) are herbicide treatments and excavation. Herbicide treatments involve multiple applications over several growing seasons to penetrate the plant’s extensive root system and prevent regrowth. This method is widely used due to its effectiveness in controlling the spread of Knotweed over time.

Excavation is another effective method, involving the physical removal of the plant and its rhizomes from the soil. This approach provides immediate results but can be labour-intensive and costly. Additionally, new techniques like hot foam, steam, and electrical usage are currently being evaluated for their effectiveness in managing Japanese Knotweed. These innovative methods aim to offer more environmentally friendly alternatives, but their long-term efficacy and cost-effectiveness are still under investigation

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