Research a wide variety of internet resources that cover the full spectrum of tree and shrub disease research, tips, advice and directories. View Link Guides
Tree & Shrub Disease Resources
AL Extension – tree and shrub pathogen research docs.
APS – plant and tree disease research.
Clemson – insects and diseases of trees.
Cornell – tree and shrub clinic fact sheets.
Kansas St. – large directory of lawn and landscape diseases, pests, and more.
LSU – insect and disease research docs.
Michigan St. – tree and shrub channel with pathogen info.
Missouri Botanical Garden – diseases and disorders research.
Penn St. – great website for lawn, tree, and plant disease info.
Royal Horticultural Society – tree and plant pathogen research.
Texas A&M – a large directory of landscape pests.
U of Arkansas – Arkansas plant diseases database.
UGA – common landscape diseases.
UK – research about disease in ornamentals.
U. of Illinois – tree and shrub disease guides.
U of Nebraska – plant and tree disease guide and research.
U of Maryland – directory of tree diseases.
U of Maryland – directory of shrub diseases.
U Mass – tree and shrub pathogen research.
U of Minnesota – tree and shrub disease info and research.
U of Tennessee – tree and shrub disease research.
U of Tennessee – PDF of tree and shrub diseases.
U of VA / VA Tech – plant, tree, and shrub pathogen research.
Walter Reeves – online resource for lawn, tree, and shrub disease research.
Damaging Tree & Shrub Diseases
Bacterial Diseases – Google Google Images NCBI Ohio St. UGA Walter Reeves Wikipedia YouTube
Fungal Diseases – Google Google Images Purdue U Cal U of FL UGA UGA3 U Illinois U Minn Walter Reeves Wikipedia YouTube
Plant Parasitic Nematodes / Roundworms – APS Google Google Images NCBI Ohio St. U FL UGA Walter Reeves Walter Reeves2 Wikipedia YouTube
Viral Diseases – APS Google Google Images Ohio St. Penn St. Texas A&M UGA U of Illinois U of MD Walter Reeves YouTube
Botrytis Blight / Gray Mold – Clemson Cornell Google Google Images MBG NCSU Penn St. UGA UGA2 UGA3 U Mass Walter Reeves Wikipedia
Fire Blight – APS Clemson Colorado St. Cornell Google Google Images MBG NCSU U of Arizona U Cal U FL UGA UGA2 U Kentucky U Minn USDA U Tenn Walter Reeves Walter Reeves2 Wikipedia WSU YouTube
Fungal Leaf Spots – CT.gov Google Google Images MBG NCSU Penn St. U of FL UGA UGA2 U of Illinois U of Maryland U Minn Walter Reeves Wikipedia YouTube
Leaf and Flower Galls – Cornell CSU Google Google Images Hilton Pond Texas A&M UGA UK U of MD U Minn VT.edu Walter Reeves Walter Reeves2 Wikipedia YouTube
Leaf Rusts – Google Google Images U Conn UGA U of Maryland U of Illinois Walter Reeves Wikipedia YouTube
Powdery Mildew – ACES.edu Clemson Google Google Images Purdue RHS.org U of Illinois U of Maryland U of Minn Walter Reeves Walter Reeves2 Wikipedia YouTube
Root Rot, Crown Rot & Dampting Off – Google Root Rot Images Crown Rot Images Dampting Off Images | APS Clemson MBG NCSU NMSU Penn St. UGA U of Maryland Walter Reeves Wikipedia YouTube
Scab – APS Google Search Google Images Iowa St. Penn St. RHS.org U Cal U of MD U of Minn Walter Reeves Wikipedia Wikipedia Peach Scab Wikipedia Apple Scab YouTube
Seiridium Canker / Cypress Canker – Clemson Google Google Images NCSU.edu Oklahoma St. U of Arizona U of Arkansas UGA UGA2 U of Maryland Walter Reeves YouTube
Vascular Wilts – APS Google Google Images MBG MSU Utah St. VT.edu Walter Reeves Wikipedia YouTube