The Effect of European Canker and Its Spatial Pattern on Four Apple Cultivars in British Columbia Author(s): Dan L. Johnson, Jon Lovett Doust and G. W. Eaton Source: Journal of Applied Ecology, Vol. 19, No. 2 (Aug., 1982), pp. 603-609 Published by: British Ecological Society Stable URL: http://www.jstor.org/stable/2403492 Accessed: 22-08-2016 20:25 UTC Your use of the JSTOR archive indicates your acceptance of the Terms & Conditions of Use, available at http://about.jstor.org/terms JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact support@jstor.org. Wiley, British Ecological Society are collaborating with JSTOR to digitize, preserve and extend access to Journal of Applied Ecology This content downloaded from 142.66.108.195 on Mon, 22 Aug 2016 20:25:32 UTC All use subject to http://about.jstor.org/terms