LSU AgCenter . Oaks http://text.lsuagcenter.com/en/our_offices/departments/plant_pathology_crop_physiology/plant_disease_clinic/disease_image_gallery/ornamentals/trees_shrubs/oaks/index.htm The LSU AgCenter exists to develop and deliver practical, useful, life-enhancing information to the citizens of Louisiana. LSU AgCenter CMS Stager Copyright2010, LSU AgCenter 180 webmaster@agcenter.lsu.edu (Linda Benedict) web@agcenter.lsu.edu (Sam Razi) en-us Sun, 07 Feb 2010 00:00:00 GMT http://www.lsuagcenter.com/images/agcenter-logo.gif LSU AgCenter . Oaks http://text.lsuagcenter.com/en/our_offices/departments/plant_pathology_crop_physiology/plant_disease_clinic/disease_image_gallery/ornamentals/trees_shrubs/oaks/index.htm Diseases of Oaks http://text.lsuagcenter.com/en/our_offices/departments/Plant_Pathology_Crop_Physiology/Plant_Disease_Clinic/Disease_Image_Gallery/Ornamentals/Trees_Shrubs/Oaks/Diseases+of+Oaks.htm Thu, 15 Oct 2009 18:22:14 GMT http://text.lsuagcenter.com/en/our_offices/departments/Plant_Pathology_Crop_Physiology/Plant_Disease_Clinic/Disease_Image_Gallery/Ornamentals/Trees_Shrubs/Oaks/Diseases+of+Oaks.htm DFerrin@agcenter.lsu.edu (Donald M. Ferrin) http://text.lsuagcenter.com/NR/rdonlyres/5DA36D03-DE1E-4730-A8EB-6674CBC30519/63021/DSC_0009.JPG Powdery mildew symptoms on upper surface of oak leaves.