Ash dieback (Chalara), free trade, and the technocracy of biosecurity

This is a post by Judith Tsouvalis, one of the research fellows on the Making Science Public team. In March 2012, tree and plant health became a matter of national concern in Britain following the discovery of an East Asian fungus called Hymenoscyphus fraxineus at a nursery in Buckinghamshire, England. The ash saplings infected by …