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 Tebbit Lord Tebbit Conservative 11:23 am, 16th May 2019

My Lords, could my noble friend have a word or two with the highways agency? It has recently been spraying all over the place to kill insects. The effects of that are rather dubious, apart from keeping our car windscreens rather cleaner. But there is knotweed, and other noxious weeds which are surely covered by the Weeds Act, all the way along the sides of our motorways. Why not get it to do something?