First report of a decline of ashleaf maple (Acer negundo) in Poland, associated with ‘Candidatus Phytoplasma asteris’Kamińska, M.Śliwa, H.Author informationDepartment of Plant Protection, Research Institute of Pomology and Floriculture, 96–100 Skierniewice, Pomologiczna 18, Poland*E-mail: [email protected]Accepted 7 July 2005 athttp://www.bspp.org.uk/ndrwhere figures relating to this paper can be viewed.Plant Pathology 55(2):p 293, April 2006.Copyright © 2006 Blackwell Publishing Ltd.