The following plant disease highlights have been compiled from samples diagnosed in the University of Kentucky Plant Disease Diagnostic Laboratory from April 24 to May 7, 2024.  Diagnoses on agronomic crop samples have included alfalfa weevil feeding on alfalfa; dry…

The following plant disease highlights have been compiled from samples submitted to the University of Kentucky Plant Disease Diagnostic Laboratory from April 1 to 24, 2024.  Diagnoses on agronomic crop samples have included brown stripe on orchardgrass and low fertility…

Extension agents and growers may occasionally receive diagnostic reports from the University of Kentucky Plant Disease Diagnostic Laboratory that indicate “no disease was found.”  One possible cause for “no disease” diagnoses is insufficient sample size.  This occurs when the sample…

Courier service for plant disease diagnostic samples from the UK Princeton Research and Education Center to the Plant Disease Diagnostic Lab on the Lexington campus will begin on April 18 and run once a week through September.  The normal pick-up…

The following plant disease highlights have been compiled from samples submitted to the University of Kentucky Plant Disease Diagnostic Laboratory from March 1 to March 26, 2024.  Diagnoses on agronomic crop samples have included barley yellow dwarf on wheat. On…

The UK Plant Disease Diagnostic Laboratory (PDDL) is looking forward to the 2024 growing season. As spring is fast approaching, here are a few tips for successful sample submission: General Information Submitting Samples Diagnostic Results By Sara Long, Plant Disease…

The following plant disease highlights have been compiled from samples submitted to the University of Kentucky Plant Disease Diagnostic Laboratory from January 2-February 29, 2023.  Diagnoses on agronomic crop samples have frost injury and low fertility/nutritional problems on barley.  On…

The following plant disease highlights have been compiled from samples submitted to the University of Kentucky Plant Disease Diagnostic Laboratory from September 12 to September 26, 2023.  Diagnoses on agronomic crop samples have included tar spot, southern corn rust, gray…

The following plant disease highlights have been compiled from samples submitted to the University of Kentucky Plant Disease Diagnostic Laboratory from August 9 to August 22, 2023.  Diagnoses on agronomic crop samples have included southern corn rust, common rust, northern…

The following plant disease highlights have been compiled from samples submitted to the University of Kentucky Plant Disease Diagnostic Laboratory from July 26 to August 8, 2023.  Diagnoses on agronomic crop samples have included common rust, gray leaf spot, abnormal…

The following plant disease highlights have been compiled from samples submitted to the University of Kentucky Plant Disease Diagnostic Laboratory from July 12 to 25, 2023.  Diagnoses on agronomic crop samples have included wind damage, magnesium deficiency, genetic anomalies, and…

The following plant disease highlights have been compiled from samples submitted to the University of Kentucky Plant Disease Diagnostic Laboratory from June 28 to July 11, 2023.  Diagnoses on agronomic crop samples have included drought stress and potassium deficiency on…

The following plant disease highlights have been compiled from samples submitted to the University of Kentucky Plant Disease Diagnostic Laboratory from June 14 to June 27, 2023.  Diagnoses on agronomic crop samples have included poor root development and leaf scald…

The following plant disease highlights have been compiled from samples submitted to the University of Kentucky Plant Disease Diagnostic Laboratory from June 7 to June 13, 2023.  Diagnoses on agronomic crop samples have included shallow planting and magnesium deficiency on…

When landscape or garden plants begin to show symptoms of a problem, or when commercial crops start to decline, the two questions from home gardeners’ and commercial growers’ alike are: what is causing the problem and what can be done…