Monthly Archives: July 2019

Laurel Wilt Disease: A Threat to Kentucky Sassafras Trees

Laurel wilt is a new disease that was recently detected in southwestern Kentucky. This disease, which is transmitted by the redbay ambrosia beetle, has the potential to rapidly kill sassafras trees. Currently no management options are available for this disease.

Posted in Forest Trees, Landscape Trees & Shrubs

Dieback in Landscape Trees – Could it be Verticillium Wilt?

The stress of hot, dry conditions in midsummer can prompt leaf scorch in many landscape trees. However, extensive canopy dieback or tree collapse, particularly on one side of a tree, may indicate Verticillium wilt disease.  Numerous cases of this vascular

Posted in Landscape Trees & Shrubs

Blossom End Rot (CCD-FS-11)

Blossom end rot is a physiological disorder common to many fruiting vegetable crops, especially tomatoes and peppers. Cucurbits, like cucumber, squash, and watermelon, can also be affected. Abiotic diseases are caused by non-living components, which in the case of blossom

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 2-8, 2019. Diagnostic samples of agronomic crops have included common rust, southern rust, Diplodia leaf streak, gray 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

Powdery Mildew of Hemp

Powdery mildew can affect numerous plants, including fruit, vegetable, and agronomic crops, as well as woody and herbaceous ornamentals. Kentucky hemp is also susceptible to this disease. Plants infected early in the season can be seriously damaged, while those affected

Posted in Hemp

Hemp and Pesticides

Two weeks ago, the Kentucky Department of Agriculture (KDA) posted their statement on Kentucky hemp and pesticides here . With this notification, the KDA listed criteria required in order for a pesticide to be available for use on hemp. A

Posted in Hemp, Pesticide Topics