Downy mildew was confirmed on cucumber from South-Central Kentucky on August 19, 2019. Cucurbit growers located between Interstates 75 and 65 should strongly consider making a fungicide application before the next rainfall to reduce the potential damage from downy mildew.…
Rose Rosette Disease: A Threat to Kentucky Roses
Rose rosette is a devastating viral disease that is a threat to roses, including rose cultivars known for their exceptional disease resistance and cold hardiness. Symptoms can vary greatly, depending upon cultivar, plant age, and growing conditions. Symptoms are often…
Posted in Landscape Trees & Shrubs
Rhizosphaera Needle Cast May Lead to Skimpy Spruce
Rhizosphaera needle cast is often to blame for brown or thin spruce in the landscape. In Kentucky, Rhizosphaera needle cast is the most common disease of spruce; it also affects some pine species. This disease causes needle drop on lower…
Posted in Landscape Trees & Shrubs
Yellowjackets: Stinging Sugar Bandits
Fast Facts Yellowjackets are social wasps that often build their nests below ground in abandoned rodent burrows but can also use wall voids, stone walls, attics, gutters, and other spaces. Yellowjacket wasps do not have barbed stingers like honey bees…
Posted in Human Pests
Fruit Diseases of Apple (PPFS-FR-T-02)
Apple fruit diseases can cause significant losses in yield and quality. Often, these diseases go unnoticed until just prior to harvest, during harvest, or after fruit has been stored. Although there are no curative treatments for infected fruit, many diseases…
Posted in Featured Pubs & Videos
Plant Disease Diagnostic Lab Highlights
The following plant disease highlights have been compiled from samples submitted to the University of Kentucky Plant Disease Diagnostic Laboratories from July 30 – August 20, 2019. Diagnostic samples of agronomic crops have included common rust, southern rust, Diplodia leaf…
Posted in Plant Disease Diagnostic Lab
2019 Insect Trap Counts
Trap counts for major insect pests are provided by the Kentucky IPM Program. Traps are located at the UK Research and Education Center in western Kentucky and the UK Spindletop Farm in Lexington. Below are trap counts for the current…
Posted in Insect Trap Counts
