Japanese Knotweed - Question

Part of the debate – in the House of Lords at 11:23 am on 16th May 2019.

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Photo of Lord Gardiner of Kimble Lord Gardiner of Kimble The Parliamentary Under-Secretary of State for Environment, Food and Rural Affairs 11:23 am, 16th May 2019

My Lords, trials often take longer than we wish, but I assure the noble Lord that we are collaborating with Canada, because it has a similar problem, and with experts across Europe and the United States. I agree: it is frustrating that the psyllid has not established as we wished. We are working on another form of control, which is also under evaluation: a mycoherbicide. This is all part of using the science. I agree with the noble Lord that it is very invasive. That is why I will read some of the advice in the Science and Technology Committee report that came out this morning. We need to attend to this. The problem with the noble Lord’s first point is that, if someone fly-tips spoil with elements of Japanese knotweed, will the landowner really be required to remove that fly-tip? That is the problem if you make it a legal liability on the landowner to remove it.