Christmas tree pests and weeds The pathogen often makes Douglas fir trees unsalable as Christmas trees and affects the Christmas tree farming industry. Douglas firs are also affected by "Phaeocryptopus gaumanni" which causes Swiss needlecast. Red band needle blight is a fungal disease which affects coniferous trees, particularly pine, with a worldwide distribution. The disease is caused by the fungi "Dothistroma septosporum". Since the late 1990s its appearance in the United Kingdom has increased, among the most affected species is Corsican pine and the disease has been a significant problem in Thetford Forest. Though the disease spread rapidly during September 2007 Christmas tree growers remained
Noble M15 the M400. Mounting the engine longitudinally (rather than transversely as on the M400) allowed the engine designers to increase the cooling flow to the engine, which allows the twin-turbo Ford Duratec V6 engine to develop . The engine has been designed to meet European emission standards and the new steel/aluminium space frame has been designed with a view to passing crash test regulations around the world. The M15 is planned to be the first Noble which gains European and US type approval. Like all the Noble M models, the M15 has a steel spaceframe and roll cage covered with graphite-reinforced