Date: 2015-08-18 12:53:29Flora of the United States Flora of North America Botany Tree diseases Phytophthora ramorum Ornamental trees Fagaceae Phytophthora Douglas fir Notholithocarpus Umbellularia Abies concolor | | A Christmas Tree Grower’s Guide to Sudden Oak Death (Phytophthora ramorum) A number of conifers that are commonly grown as Christmas trees have recently been shown to be hosts of Phytophthora ramorum. This exotic, fedeAdd to Reading ListSource URL: www.suddenoakdeath.orgDownload Document from Source Website File Size: 3,57 MBShare Document on Facebook
|