Leaves on tulip tree turning yellow from drought conditions. Photo provided by: Brian Kunkel, Ornamentals IPM Specialist, University of Delaware
Pyracantha scab. Photo provided by: Ethel Dutky, University of Maryland, Bugwood.org
Tag Archives: drought
Disease Hotline Issue 16
Drought stressed turf. Photo provided by: Brian Kunkel, Ornamentals IPM Specialist, University of Delaware
Pithium damage. Photo found at: http://www.extension.purdue.edu/extmedia/BP/BP-109-W.pdf (Richard Latin Prof. of Pathology) 
Close-up of Pythium on turf. Photo found at: http://www.extension.purdue.edu/extmedia/BP/BP-109-W.pdf (Richard Latin Prof. of Pathology) 
Brown patch infesting turf. Photo found at: http://www.cals.ncsu.edu/plantpath/extension/fact_sheets/Turfgrass_-_Managing_Brown_Patch_in_Tall_Fescue_Landscapes.htm
Maple showing signs of drought stress. Photo provided by: Robert L. Anderson, USDA Forest Service, Bugwood.org
Pine showing drought stress. Photo provided by: Robert L. Anderson, USDA Forest Service, Bugwood.org
What’s Hot HL Issue 14
Two spotted spider mites. Photo provided by: Tracy Wootten, Horticulture Extension Agent, Sussex County, University of Delaware
Dogwood suffering from drought conditions. Photo provided by: Brian Kunkel, Ornamentals IPM Specialist, University of Delaware
Turfgrass going dormant under drought conditions. Photo provided by: Brian Kunkel, Ornamentals IPM Specialist, University of Delaware.
Gray squirrel. Photo provided by: Joseph LaForest, University of Georgia, bugwood.org
Squirrel damage. Photo provided by: Todd Watson, Texas A&M; University, bugwood.org
Cultural Hotline Issue 17
Severely drought stressed willow. Photo provided by: Randy Cyr, Greentree, Bugwood.org.
Disease Hotline Issue 22
Drought effects on tulip popular.
Cracked bark and bleeding on leyland cypress caused by drought.
Leaf scorch from drought on flowering dogwood.
Anthracnose on oak. All photos are provided by: Bob Mulrooney, Plant Pathologist, University of Delaware.