- Annosum Root Rot
- Heterobasidion irregulare
- Anthracnose
- Bacterial Leaf Scorch
- Xylella fastidiosa
- Laurel Wilt
- Harringtonia lauricola
- Littleleaf Disease
- Oak Wilt
- Bretziella fagacearum
- Phytoplasmas (aka Yellows)
- Pine Needle Diseases
- Thousand Cankers Disease
- Geosmithia morbida
Laurel Wilt
Laurel wilt is caused by Harringtonia lauricola, a fungal pathogen transmitted by the ambrosia beetle Xyleborus glabratus. This beetle and fungus are native to southern Asia, and the beetle was first detected in Georgia in 2002. This disease impacts several trees in the family Lauraceae, including redbay, sassafras, pondspice, bay laurel, and avocado. Extensive mortality to redbay has occurred in coastal areas from North Carolina to Mississippi, with detections also occurring inland in Alabama, Louisiana, Kentucky, Tennessee, Texas, Georgia, and Arkansas. Infected trees generally die within months, often showing a full crown of dead, brown leaves. There is no cure once a tree has this disease. Preventing the spread of this disease by transporting firewood is of the utmost importance, as management options are limited. Current management involves sanitation (chipping, burning) of infested material, and chemical treatments may be effective for high value trees.
Biology, ecology, and management of laurel wilt and the redbay ambrosia beetle
University of Florida and Southern Regional Extension Forestry, 2016Homeowner Detection of and Recommendations for Mitigating Redbay Ambrosia Beetle – Laurel Wilt Disease on Redbay and Avocado Trees in the Home Landscape
University of Florida, 2010New disease epidemic threatens redbay and other related species
Georgia Forestry Commission, SC Forestry Commission, Florida Dept. Ag. Cons. Sci - Div. Forestry, USDA Forest Service, 2007Recovery Plan for Laurel Wilt on Redbay and Other Forest Species Caused by Raffaelea lauricola and Disseminated by Xyleborus glabratus
Unviersity of Florida, USDA Forest Service, others, 2015Redbay Ambrosia Beetle-Laurel Wilt Pathogen: A Potential Major Problem for the Florida Avocado Industry
University of Florida, 2008Biology, Ecology, and Management of Laurel Wilt in the Southeastern U.S.
University of Florida, 2016Laurel wilt biology, monitoring and management
Forest Service, Southern Research Station, 2020Sassafras at an Impasse? An Update on Laurel Wilt in Southern Forests
Dr. Bud Mayfield (Plant Pathologist - US Forest Service), 2024Distribution of Counties with Laurel Wilt
USDA Forest Service, February 18, 2022EDDMapS
http://www.eddmaps.org/southeast/distribution/uscounty.cfm?sub=20929&state=AL,AR,FL,GA,KY,LA,MS,NC,OK,PR,SC,TN,TX,VA,VILaurel Wilt in Florida: Slowing the Spread
Florida Dept. of Ag. & Consumer Sciences, 2011Laurel Wilt Public Dashboard
Georgia Forestry Commission, 2022laurelwiltresearch.com
http://laurelwiltresearch.com/Signs and Symptoms of Laurel Wilt
Cornell University, 2014