Monthly Archives: July 2018

Southern Rust of Corn Confirmed in Kentucky

Southern rust of corn, caused by the fungus Puccinia polysora, was confirmed by the University of Kentucky Plant Disease Diagnostic Laboratory (PDDL) for the first time in 2018 from a sample collected in Logan County. This is the first confirmation

Posted in Grains

Managing Bagworms

Whenever pests of landscape plants in the eastern U.S. are rated, bagworms invariably land in the top ten. Bagworms are most commonly found on evergreens (Figure 1), but they will feed on deciduous hosts, too. Bagworm feeding should be about

Posted in Landscape Trees & Shrubs

Lace Bugs – One Potential Cause of Bleached Leaves

Lace bugs use their sucking mouthparts to feed on plant sap. Damage ranges from a few scattered tiny white-to-yellow spots to bleached-white leaves that drop prematurely. Common lace bug species in Kentucky feed on azalea (azalea lace bug); hawthorn, cotoneaster,

Posted in Landscape Trees & Shrubs

Considerations for Diagnosis of Ornamentals in the Landscape (PPFS-GEN-15)

Diagnosing landscape plant problems can be challenging. However, an assessment of the entire growing site may aid in the diagnostic process. This publication was designed to provide a starting point for determining possible causes behind various plant problems.  The step-by-step

Posted in Featured Publications

2018 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

Sugarcane Aphid Found on Sorghum in Kentucky

Last week, the first sugarcane aphids (SCA) of the year for Kentucky were found in Woodford County on sweet sorghum.  While only 5% of the leaves in the field were infested, some had over 700 SCA, meaning SCA has likely

Posted in Grains

Eastern and East-Central Kentucky Vining Vegetables at-Risk For Cucurbit Downy Mildew

In areas east of I-65 in Kentucky, cucurbit crops are at risk for downy mildew disease development. Crops that are especially in need of systemic fungicide management to ensure adequate yields include winter squash, gourds, and pumpkins intended for September

Posted in Vegetables